From 843160236381d0c76bef1eac89e556920d700a9d Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Sat, 1 Feb 2020 01:18:01 -0500
Subject: Blindly implement login flow

---
 chat.h | 102 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 102 insertions(+)
 create mode 100644 chat.h

(limited to 'chat.h')

diff --git a/chat.h b/chat.h
new file mode 100644
index 0000000..bb8929b
--- /dev/null
+++ b/chat.h
@@ -0,0 +1,102 @@
+/* Copyright (C) 2020  C. McEnroe <june@causal.agency>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <stdbool.h>
+
+#define ARRAY_LEN(a) (sizeof(a) / sizeof(a[0]))
+#define BIT(x) x##Bit, x = 1 << x##Bit, x##Bit_ = x##Bit
+
+typedef unsigned char byte;
+
+#define ENUM_CAP \
+	X("sasl", CapSASL) \
+	X("server-time", CapServerTime) \
+	X("userhost-in-names", CapUserhostInNames)
+
+enum Cap {
+#define X(name, id) BIT(id),
+	ENUM_CAP
+#undef X
+};
+
+extern struct Self {
+	enum Cap caps;
+	char *plain;
+	char *nick;
+	const char *join;
+} self;
+
+#define ENUM_TAG \
+	X("time", TagTime)
+
+enum Tag {
+#define X(name, id) id,
+	ENUM_TAG
+#undef X
+	TagCap,
+};
+
+enum { ParamCap = 15 };
+struct Message {
+	char *tags[TagCap];
+	char *nick;
+	char *user;
+	char *host;
+	char *cmd;
+	char *params[ParamCap];
+};
+
+void ircConfig(bool insecure, const char *cert, const char *priv);
+int ircConnect(const char *host, const char *port);
+void ircRecv(void);
+void ircSend(const char *ptr, size_t len);
+void ircFormat(const char *format, ...)
+	__attribute__((format(printf, 1, 2)));
+
+void handle(struct Message msg);
+
+#define BASE64_SIZE(len) (1 + ((len) + 2) / 3 * 4)
+
+static const char Base64[64] = {
+	"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
+};
+
+static inline void base64(char *dst, const byte *src, size_t len) {
+	size_t i = 0;
+	while (len > 2) {
+		dst[i++] = Base64[0x3F & (src[0] >> 2)];
+		dst[i++] = Base64[0x3F & (src[0] << 4 | src[1] >> 4)];
+		dst[i++] = Base64[0x3F & (src[1] << 2 | src[2] >> 6)];
+		dst[i++] = Base64[0x3F & src[2]];
+		src += 3;
+		len -= 3;
+	}
+	if (len) {
+		dst[i++] = Base64[0x3F & (src[0] >> 2)];
+		if (len > 1) {
+			dst[i++] = Base64[0x3F & (src[0] << 4 | src[1] >> 4)];
+			dst[i++] = Base64[0x3F & (src[1] << 2)];
+		} else {
+			dst[i++] = Base64[0x3F & (src[0] << 4)];
+			dst[i++] = '=';
+		}
+		dst[i++] = '=';
+	}
+	dst[i] = '\0';
+}
+
+// Defined in libcrypto if missing from libc:
+void explicit_bzero(void *b, size_t len);
-- 
cgit 1.4.1


From 2b3a8bfb9c022269307feed01419c903ba754508 Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Sat, 1 Feb 2020 02:26:35 -0500
Subject: Add -v flag

---
 catgirl.1 |  9 ++++++++-
 chat.c    |  7 ++++++-
 chat.h    |  3 ++-
 irc.c     | 14 ++++++++++++++
 4 files changed, 30 insertions(+), 3 deletions(-)

(limited to 'chat.h')

diff --git a/catgirl.1 b/catgirl.1
index 158466b..e9bb40e 100644
--- a/catgirl.1
+++ b/catgirl.1
@@ -8,7 +8,7 @@
 .
 .Sh SYNOPSIS
 .Nm
-.Op Fl e
+.Op Fl ev
 .Op Fl a Ar auth
 .Op Fl c Ar cert
 .Op Fl h Ar host
@@ -88,6 +88,13 @@ Set username to
 .Ar user .
 The default username is the same as the nickname.
 .
+.It Fl v
+Log raw IRC messages to the
+.Sy <debug>
+window
+as well as standard error
+if it is not a terminal.
+.
 .It Fl w Ar pass
 Log in with the server password
 .Ar pass .
diff --git a/chat.c b/chat.c
index 89579c0..5796085 100644
--- a/chat.c
+++ b/chat.c
@@ -39,7 +39,7 @@ int main(int argc, char *argv[]) {
 	const char *real = NULL;
 
 	int opt;
-	while (0 < (opt = getopt(argc, argv, "!a:c:eh:j:k:n:p:r:u:w:"))) {
+	while (0 < (opt = getopt(argc, argv, "!a:c:eh:j:k:n:p:r:u:vw:"))) {
 		switch (opt) {
 			break; case '!': insecure = true;
 			break; case 'a': sasl = true; self.plain = optarg;
@@ -52,6 +52,7 @@ int main(int argc, char *argv[]) {
 			break; case 'p': port = optarg;
 			break; case 'r': real = optarg;
 			break; case 'u': user = optarg;
+			break; case 'v': self.debug = true;
 			break; case 'w': pass = optarg;
 		}
 	}
@@ -70,4 +71,8 @@ int main(int argc, char *argv[]) {
 	ircFormat("CAP LS\r\n");
 	ircFormat("NICK :%s\r\n", nick);
 	ircFormat("USER %s 0 * :%s\r\n", user, real);
+
+	for (;;) {
+		ircRecv();
+	}
 }
diff --git a/chat.h b/chat.h
index bb8929b..4dd4732 100644
--- a/chat.h
+++ b/chat.h
@@ -33,10 +33,11 @@ enum Cap {
 };
 
 extern struct Self {
+	bool debug;
+	const char *join;
 	enum Cap caps;
 	char *plain;
 	char *nick;
-	const char *join;
 } self;
 
 #define ENUM_TAG \
diff --git a/irc.c b/irc.c
index c1c0e7a..cf8aab7 100644
--- a/irc.c
+++ b/irc.c
@@ -101,6 +101,18 @@ int ircConnect(const char *host, const char *port) {
 	return sock;
 }
 
+static void debug(char dir, const char *line) {
+	if (!self.debug) return;
+	size_t len = strcspn(line, "\r\n");
+	/*uiFormat(
+		Debug, Cold, NULL, "\3%02d%c%c\3 %.*s",
+		Gray, dir, dir, (int)len, line
+	);*/
+	if (!isatty(STDERR_FILENO)) {
+		fprintf(stderr, "%c%c %.*s\n", dir, dir, (int)len, line);
+	}
+}
+
 void ircSend(const char *ptr, size_t len) {
 	assert(client);
 	while (len) {
@@ -119,6 +131,7 @@ void ircFormat(const char *format, ...) {
 	int len = vsnprintf(buf, sizeof(buf), format, ap);
 	va_end(ap);
 	assert((size_t)len < sizeof(buf));
+	debug('<', buf);
 	ircSend(buf, len);
 }
 
@@ -196,6 +209,7 @@ void ircRecv(void) {
 		crlf = memmem(line, &buf[len] - line, "\r\n", 2);
 		if (!crlf) break;
 		*crlf = '\0';
+		debug('>', line);
 		handle(parse(line));
 		line = crlf + 2;
 	}
-- 
cgit 1.4.1


From 03cb0d7c04d287ba95b26924620ece0855002ad5 Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Sat, 1 Feb 2020 02:33:17 -0500
Subject: Add IDs and names

---
 chat.c |  7 +++++++
 chat.h | 22 ++++++++++++++++++++++
 2 files changed, 29 insertions(+)

(limited to 'chat.h')

diff --git a/chat.c b/chat.c
index 5796085..462faa0 100644
--- a/chat.c
+++ b/chat.c
@@ -23,6 +23,13 @@
 
 #include "chat.h"
 
+char *idNames[IDCap] = {
+	[None] = "<none>",
+	[Debug] = "<debug>",
+	[Network] = "<network>",
+};
+size_t idNext = Network + 1;
+
 struct Self self;
 
 int main(int argc, char *argv[]) {
diff --git a/chat.h b/chat.h
index 4dd4732..8c13d49 100644
--- a/chat.h
+++ b/chat.h
@@ -14,13 +14,35 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
+#include <err.h>
 #include <stdbool.h>
+#include <string.h>
+#include <sysexits.h>
+#include <time.h>
 
 #define ARRAY_LEN(a) (sizeof(a) / sizeof(a[0]))
 #define BIT(x) x##Bit, x = 1 << x##Bit, x##Bit_ = x##Bit
 
 typedef unsigned char byte;
 
+enum { None, Debug, Network, IDCap = 256 };
+extern char *idNames[IDCap];
+extern size_t idNext;
+
+static inline size_t idFind(const char *name) {
+	for (size_t id = 0; id < idNext; ++id) {
+		if (!strcmp(idNames[id], name)) return id;
+	}
+	return None;
+}
+static inline size_t idFor(const char *name) {
+	size_t id = idFind(name);
+	if (id) return id;
+	idNames[idNext] = strdup(name);
+	if (!idNames[idNext]) err(EX_OSERR, "strdup");
+	return idNext++;
+}
+
 #define ENUM_CAP \
 	X("sasl", CapSASL) \
 	X("server-time", CapServerTime) \
-- 
cgit 1.4.1


From e289ff6b18e643eea4c72e04f7c0dc6ff768a335 Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Sat, 1 Feb 2020 02:55:07 -0500
Subject: Add term stuff

Copied almost verbatim from existing catgirl... I think I did a better
job on that state machine this time tbh.
---
 Makefile |  1 +
 chat.h   | 17 ++++++++++++++
 term.c   | 79 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 97 insertions(+)
 create mode 100644 term.c

(limited to 'chat.h')

diff --git a/Makefile b/Makefile
index 30bcf66..999b491 100644
--- a/Makefile
+++ b/Makefile
@@ -8,6 +8,7 @@ LDLIBS = -lcrypto -ltls
 OBJS += chat.o
 OBJS += handle.o
 OBJS += irc.o
+OBJS += term.o
 
 catgirl: ${OBJS}
 	${CC} ${LDFLAGS} ${OBJS} ${LDLIBS} -o $@
diff --git a/chat.h b/chat.h
index 8c13d49..93014ef 100644
--- a/chat.h
+++ b/chat.h
@@ -91,6 +91,23 @@ void ircFormat(const char *format, ...)
 
 void handle(struct Message msg);
 
+enum TermMode {
+	TermFocus,
+	TermPaste,
+};
+enum TermEvent {
+	TermNone,
+	TermFocusIn,
+	TermFocusOut,
+	TermPasteStart,
+	TermPasteEnd,
+};
+void termInit(void);
+void termNoFlow(void);
+void termTitle(const char *title);
+void termMode(enum TermMode mode, bool set);
+enum TermEvent termEvent(char ch);
+
 #define BASE64_SIZE(len) (1 + ((len) + 2) / 3 * 4)
 
 static const char Base64[64] = {
diff --git a/term.c b/term.c
new file mode 100644
index 0000000..ade5392
--- /dev/null
+++ b/term.c
@@ -0,0 +1,79 @@
+/* Copyright (C) 2020  C. McEnroe <june@causal.agency>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <termios.h>
+#include <unistd.h>
+
+#include "chat.h"
+
+static bool xterm;
+
+void termInit(void) {
+	const char *term = getenv("TERM");
+	xterm = (term && !strncmp(term, "xterm", 5));
+}
+
+void termNoFlow(void) {
+	struct termios attr;
+	int error = tcgetattr(STDIN_FILENO, &attr);
+	if (error) return;
+	attr.c_iflag &= ~IXON;
+	attr.c_cc[VDISCARD] = _POSIX_VDISABLE;
+	tcsetattr(STDIN_FILENO, TCSANOW, &attr);
+}
+
+void termTitle(const char *title) {
+	if (!xterm) return;
+	printf("\33]0;%s\33\\", title);
+	fflush(stdout);
+}
+
+static void privateMode(const char *mode, bool set) {
+	printf("\33[?%s%c", mode, (set ? 'h' : 'l'));
+	fflush(stdout);
+}
+
+void termMode(enum TermMode mode, bool set) {
+	switch (mode) {
+		break; case TermFocus: privateMode("1004", set);
+		break; case TermPaste: privateMode("2004", set);
+	}
+}
+
+enum { Esc = '\33' };
+
+enum TermEvent termEvent(char ch) {
+	static int st;
+#define T(st, ch) ((st) << 8 | (ch))
+	switch (T(st, ch)) {
+		break; case T(0, Esc): st = 1;
+		break; case T(1, '['): st = 2;
+		break; case T(2, 'I'): st = 0; return TermFocusIn;
+		break; case T(2, 'O'): st = 0; return TermFocusOut;
+		break; case T(2, '2'): st = 3;
+		break; case T(3, '0'): st = 4;
+		break; case T(4, '0'): st = 5;
+		break; case T(5, '~'): st = 0; return TermPasteStart;
+		break; case T(4, '1'): st = 6;
+		break; case T(6, '~'): st = 0; return TermPasteEnd;
+		break; default: st = 0;
+	}
+	return 0;
+#undef T
+}
-- 
cgit 1.4.1


From e5363bcae0f726455fb4198cd21d46721ad5e39a Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Sat, 1 Feb 2020 19:37:48 -0500
Subject: Implement the beginnings of UI

It takes so much code to do anything in curses...
---
 Makefile |   3 +-
 chat.c   |   8 +++
 chat.h   |  22 +++++++-
 handle.c |  21 ++++++++
 irc.c    |   6 +--
 ui.c     | 174 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 6 files changed, 228 insertions(+), 6 deletions(-)
 create mode 100644 ui.c

(limited to 'chat.h')

diff --git a/Makefile b/Makefile
index 999b491..4af59ee 100644
--- a/Makefile
+++ b/Makefile
@@ -3,12 +3,13 @@ CFLAGS += -I${LIBRESSL_PREFIX}/include
 LDFLAGS += -L${LIBRESSL_PREFIX}/lib
 
 CFLAGS += -std=c11 -Wall -Wextra -Wpedantic
-LDLIBS = -lcrypto -ltls
+LDLIBS = -lcurses -lcrypto -ltls
 
 OBJS += chat.o
 OBJS += handle.o
 OBJS += irc.o
 OBJS += term.o
+OBJS += ui.o
 
 catgirl: ${OBJS}
 	${CC} ${LDFLAGS} ${OBJS} ${LDLIBS} -o $@
diff --git a/chat.c b/chat.c
index 462faa0..47227d5 100644
--- a/chat.c
+++ b/chat.c
@@ -15,6 +15,7 @@
  */
 
 #include <err.h>
+#include <locale.h>
 #include <stdbool.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -33,6 +34,8 @@ size_t idNext = Network + 1;
 struct Self self;
 
 int main(int argc, char *argv[]) {
+	setlocale(LC_CTYPE, "");
+
 	bool insecure = false;
 	const char *host = NULL;
 	const char *port = "6697";
@@ -71,6 +74,10 @@ int main(int argc, char *argv[]) {
 	if (!real) real = nick;
 
 	ircConfig(insecure, cert, priv);
+
+	uiInit();
+	uiFormat(Network, Cold, NULL, "Traveling...");
+	uiDraw();
 	
 	int irc = ircConnect(host, port);
 	if (pass) ircFormat("PASS :%s\r\n", pass);
@@ -80,6 +87,7 @@ int main(int argc, char *argv[]) {
 	ircFormat("USER %s 0 * :%s\r\n", user, real);
 
 	for (;;) {
+		uiDraw();
 		ircRecv();
 	}
 }
diff --git a/chat.h b/chat.h
index 93014ef..be3952c 100644
--- a/chat.h
+++ b/chat.h
@@ -82,6 +82,18 @@ struct Message {
 	char *params[ParamCap];
 };
 
+#define B "\2"
+#define C "\3"
+#define R "\17"
+#define V "\26"
+#define I "\35"
+#define U "\37"
+enum Color {
+	White, Black, Blue, Green, Red, Brown, Magenta, Orange,
+	Yellow, LightGreen, Cyan, LightCyan, LightBlue, Pink, Gray, LightGray,
+	Default = 99,
+};
+
 void ircConfig(bool insecure, const char *cert, const char *priv);
 int ircConnect(const char *host, const char *port);
 void ircRecv(void);
@@ -91,6 +103,14 @@ void ircFormat(const char *format, ...)
 
 void handle(struct Message msg);
 
+enum Heat { Cold, Warm, Hot };
+void uiInit(void);
+void uiDraw(void);
+void uiWrite(size_t id, enum Heat heat, const struct tm *time, const char *str);
+void uiFormat(
+	size_t id, enum Heat heat, const struct tm *time, const char *format, ...
+) __attribute__((format(printf, 4, 5)));
+
 enum TermMode {
 	TermFocus,
 	TermPaste,
@@ -109,11 +129,9 @@ void termMode(enum TermMode mode, bool set);
 enum TermEvent termEvent(char ch);
 
 #define BASE64_SIZE(len) (1 + ((len) + 2) / 3 * 4)
-
 static const char Base64[64] = {
 	"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
 };
-
 static inline void base64(char *dst, const byte *src, size_t len) {
 	size_t i = 0;
 	while (len > 2) {
diff --git a/handle.c b/handle.c
index 96bd2a2..b2b2b8d 100644
--- a/handle.c
+++ b/handle.c
@@ -136,11 +136,32 @@ static void handleReplyWelcome(struct Message *msg) {
 	if (self.join) ircFormat("JOIN :%s\r\n", self.join);
 }
 
+static void handleReplyISupport(struct Message *msg) {
+	// TODO: Extract CHANTYPES and PREFIX for future use.
+	for (size_t i = 1; i < ParamCap; ++i) {
+		if (!msg->params[i]) break;
+		char *key = strsep(&msg->params[i], "=");
+		if (!msg->params[i]) continue;
+		if (!strcmp(key, "NETWORK")) {
+			uiFormat(Network, Cold, NULL, "You arrive in %s", msg->params[i]);
+		}
+	}
+}
+
+static void handleReplyMOTD(struct Message *msg) {
+	require(msg, false, 2);
+	char *line = msg->params[1];
+	if (!strncmp(line, "- ", 2)) line += 2;
+	uiFormat(Network, Cold, NULL, "%s", line);
+}
+
 static const struct Handler {
 	const char *cmd;
 	Handler *fn;
 } Handlers[] = {
 	{ "001", handleReplyWelcome },
+	{ "005", handleReplyISupport },
+	{ "372", handleReplyMOTD },
 	{ "900", handleReplyLoggedIn },
 	{ "904", handleErrorSASLFail },
 	{ "905", handleErrorSASLFail },
diff --git a/irc.c b/irc.c
index cf8aab7..f07fcc8 100644
--- a/irc.c
+++ b/irc.c
@@ -104,10 +104,10 @@ int ircConnect(const char *host, const char *port) {
 static void debug(char dir, const char *line) {
 	if (!self.debug) return;
 	size_t len = strcspn(line, "\r\n");
-	/*uiFormat(
-		Debug, Cold, NULL, "\3%02d%c%c\3 %.*s",
+	uiFormat(
+		Debug, Cold, NULL, C"%d%c%c"C" %.*s",
 		Gray, dir, dir, (int)len, line
-	);*/
+	);
 	if (!isatty(STDERR_FILENO)) {
 		fprintf(stderr, "%c%c %.*s\n", dir, dir, (int)len, line);
 	}
diff --git a/ui.c b/ui.c
new file mode 100644
index 0000000..0295c8d
--- /dev/null
+++ b/ui.c
@@ -0,0 +1,174 @@
+/* Copyright (C) 2020  C. McEnroe <june@causal.agency>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <assert.h>
+#include <curses.h>
+#include <err.h>
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sysexits.h>
+#include <time.h>
+
+#include "chat.h"
+
+#ifndef A_ITALIC
+#define A_ITALIC A_UNDERLINE
+#endif
+
+#define BOTTOM (LINES - 1)
+#define RIGHT (COLS - 1)
+#define WINDOW_LINES (LINES - 2)
+
+static short colorPairs;
+
+static void colorInit(void) {
+	start_color();
+	use_default_colors();
+	for (short pair = 0; pair < 16; ++pair) {
+		init_pair(1 + pair, pair % COLORS, -1);
+	}
+	colorPairs = 17;
+}
+
+static attr_t colorAttr(short fg) {
+	return (fg >= COLORS ? A_BOLD : A_NORMAL);
+}
+
+static short colorPair(short fg, short bg) {
+	if (bg == -1) return 1 + fg;
+	for (short pair = 17; pair < colorPairs; ++pair) {
+		short f, b;
+		pair_content(pair, &f, &b);
+		if (f == fg && b == bg) return pair;
+	}
+	init_pair(colorPairs, fg, bg);
+	return colorPairs++;
+}
+
+enum {
+	InputCols = 512,
+	PadLines = 512,
+};
+
+static WINDOW *status;
+static WINDOW *input;
+
+struct Window {
+	size_t id;
+	WINDOW *pad;
+	enum Heat heat;
+	int unread;
+	int scroll;
+	bool mark;
+	struct Window *prev;
+	struct Window *next;
+};
+
+static struct {
+	struct Window *active;
+	struct Window *other;
+	struct Window *head;
+	struct Window *tail;
+} windows;
+
+static void windowAdd(struct Window *window) {
+	if (windows.tail) windows.tail->next = window;
+	window->prev = windows.tail;
+	window->next = NULL;
+	windows.tail = window;
+	if (!windows.head) windows.head = window;
+}
+
+static void windowRemove(struct Window *window) {
+	if (window->prev) window->prev->next = window->next;
+	if (window->next) window->next->prev = window->prev;
+	if (windows.head == window) windows.head = window->next;
+	if (windows.tail == window) windows.tail = window->prev;
+}
+
+static struct Window *windowFor(size_t id) {
+	struct Window *window;
+	for (window = windows.head; window; window = window->next) {
+		if (window->id == id) return window;
+	}
+	window = malloc(sizeof(*window));
+	if (!window) err(EX_OSERR, "malloc");
+	window->id = id;
+	window->pad = newpad(PadLines, COLS);
+	wsetscrreg(window->pad, 0, PadLines - 1);
+	scrollok(window->pad, true);
+	wmove(window->pad, PadLines - 1, 0);
+	window->heat = Cold;
+	window->unread = 0;
+	window->scroll = PadLines;
+	window->mark = true;
+	windowAdd(window);
+	return window;
+}
+
+void uiInit(void) {
+	initscr();
+	cbreak();
+	noecho();
+	termInit();
+	termNoFlow();
+	def_prog_mode();
+	colorInit();
+	status = newwin(1, COLS, 0, 0);
+	input = newpad(1, InputCols);
+	keypad(input, true);
+	nodelay(input, true);
+	windows.active = windowFor(Network);
+}
+
+void uiDraw(void) {
+	wnoutrefresh(status);
+	pnoutrefresh(
+		windows.active->pad,
+		windows.active->scroll - WINDOW_LINES, 0,
+		1, 0,
+		BOTTOM - 1, RIGHT
+	);
+	// TODO: Input scrolling.
+	pnoutrefresh(
+		input,
+		0, 0,
+		BOTTOM, 0,
+		BOTTOM, RIGHT
+	);
+	doupdate();
+}
+
+void uiWrite(size_t id, enum Heat heat, const struct tm *time, const char *str) {
+	(void)time;
+	struct Window *window = windowFor(id);
+	waddch(window->pad, '\n');
+	waddstr(window->pad, str);
+}
+
+void uiFormat(
+	size_t id, enum Heat heat, const struct tm *time, const char *format, ...
+) {
+	char buf[1024];
+	va_list ap;
+	va_start(ap, format);
+	int len = vsnprintf(buf, sizeof(buf), format, ap);
+	va_end(ap);
+	assert((size_t)len < sizeof(buf));
+	uiWrite(id, heat, time, buf);
+}
-- 
cgit 1.4.1


From 3c824684e5f262c2b2fab3f8009b29382277d086 Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Sun, 2 Feb 2020 02:31:20 -0500
Subject: Add color hashing function

---
 chat.h | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'chat.h')

diff --git a/chat.h b/chat.h
index be3952c..fc5043d 100644
--- a/chat.h
+++ b/chat.h
@@ -16,6 +16,7 @@
 
 #include <err.h>
 #include <stdbool.h>
+#include <stdint.h>
 #include <string.h>
 #include <sysexits.h>
 #include <time.h>
@@ -93,6 +94,16 @@ enum Color {
 	Yellow, LightGreen, Cyan, LightCyan, LightBlue, Pink, Gray, LightGray,
 	Default = 99,
 };
+static inline enum Color hash(const char *str) {
+	if (*str == '~') str++;
+	uint32_t hash = 0;
+	for (; *str; ++str) {
+		hash = (hash << 5) | (hash >> 27);
+		hash ^= *str;
+		hash *= 0x27220A95;
+	}
+	return 2 + hash % 14;
+}
 
 void ircConfig(bool insecure, const char *cert, const char *priv);
 int ircConnect(const char *host, const char *port);
-- 
cgit 1.4.1


From ec83332e15d31c1ffbb7112ff6743f2a5c815c71 Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Sun, 2 Feb 2020 03:13:50 -0500
Subject: Implement window switching and status line

---
 chat.c   | 15 ++-------------
 chat.h   |  1 +
 handle.c | 22 +++++++++++++++++++---
 ui.c     | 34 ++++++++++++++++++++++++++++++++++
 4 files changed, 56 insertions(+), 16 deletions(-)

(limited to 'chat.h')

diff --git a/chat.c b/chat.c
index ceaf1b5..d4ed31c 100644
--- a/chat.c
+++ b/chat.c
@@ -76,19 +76,8 @@ int main(int argc, char *argv[]) {
 	ircConfig(insecure, cert, priv);
 
 	uiInit();
-	uiFormat(Network, Cold, NULL, C "3Trave" U "ling" U C "0,3.." C "0,4." R);
-	uiFormat(
-		Network, Cold, NULL,
-		"Jackdaws love my big sphinx of quartz. "
-		"The quick brown fox jumps over the lazy dog. "
-		"Jackdaws love my big sphinx of quartz. "
-		"Jackdaws love my big sphinx of quartz. "
-		"Jackdaws love my big sphinx of quartz. "
-		"The quick brown fox jumps over the lazy dog. "
-		"The quick brown fox jumps over the lazy dog. "
-		"Jackdaws love my big sphinx of quartz. "
-		"Jackdaws love my big sphinx of quartz. "
-	);
+	uiShowID(Network);
+	uiFormat(Network, Cold, NULL, "Traveling...");
 	uiDraw();
 	
 	int irc = ircConnect(host, port);
diff --git a/chat.h b/chat.h
index fc5043d..9060f29 100644
--- a/chat.h
+++ b/chat.h
@@ -117,6 +117,7 @@ void handle(struct Message msg);
 enum Heat { Cold, Warm, Hot };
 void uiInit(void);
 void uiDraw(void);
+void uiShowID(size_t id);
 void uiWrite(size_t id, enum Heat heat, const struct tm *time, const char *str);
 void uiFormat(
 	size_t id, enum Heat heat, const struct tm *time, const char *format, ...
diff --git a/handle.c b/handle.c
index 350a636..609867e 100644
--- a/handle.c
+++ b/handle.c
@@ -65,9 +65,11 @@ static void set(char **field, const char *value) {
 	if (!*field) err(EX_OSERR, "strdup");
 }
 
-static void require(const struct Message *msg, bool origin, size_t len) {
-	if (origin && !msg->nick) {
-		errx(EX_PROTOCOL, "%s missing origin", msg->cmd);
+static void require(struct Message *msg, bool origin, size_t len) {
+	if (origin) {
+		if (!msg->nick) errx(EX_PROTOCOL, "%s missing origin", msg->cmd);
+		if (!msg->user) msg->user = msg->nick;
+		if (!msg->host) msg->host = msg->user;
 	}
 	for (size_t i = 0; i < len; ++i) {
 		if (msg->params[i]) continue;
@@ -177,6 +179,19 @@ static void handleReplyMOTD(struct Message *msg) {
 	uiFormat(Network, Cold, tagTime(msg), "%s", line);
 }
 
+static void handleJoin(struct Message *msg) {
+	require(msg, true, 1);
+	size_t id = idFor(msg->params[0]);
+	if (self.nick && !strcmp(msg->nick, self.nick)) {
+		uiShowID(id);
+	}
+	uiFormat(
+		id, Cold, tagTime(msg),
+		C"%02d%s"C" arrives in "C"%02d%s"C,
+		hash(msg->user), msg->nick, hash(idNames[id]), idNames[id]
+	);
+}
+
 static void handlePing(struct Message *msg) {
 	require(msg, false, 1);
 	ircFormat("PONG :%s\r\n", msg->params[0]);
@@ -197,6 +212,7 @@ static const struct Handler {
 	{ "906", handleErrorSASLFail },
 	{ "AUTHENTICATE", handleAuthenticate },
 	{ "CAP", handleCap },
+	{ "JOIN", handleJoin },
 	{ "PING", handlePing },
 };
 
diff --git a/ui.c b/ui.c
index 90ba726..3ae6592 100644
--- a/ui.c
+++ b/ui.c
@@ -262,6 +262,40 @@ static void styleAdd(WINDOW *win, const char *str) {
 	}
 }
 
+static void statusUpdate(void) {
+	wmove(status, 0, 0);
+	int num;
+	const struct Window *window;
+	for (num = 0, window = windows.head; window; ++num, window = window->next) {
+		if (!window->unread && window != windows.active) continue;
+		enum Color color = hash(idNames[window->id]); // FIXME: queries.
+		int unread;
+		char buf[256];
+		snprintf(
+			buf, sizeof(buf), C"%d%s %d %s %n("C"%02d%d"C"%d) ",
+			color, (window == windows.active ? V : ""),
+			num, idNames[window->id],
+			&unread, (window->heat > Warm ? White : color), window->unread,
+			color
+		);
+		if (!window->unread) buf[unread] = '\0';
+		styleAdd(status, buf);
+	}
+	wclrtoeol(status);
+}
+
+void uiShowID(size_t id) {
+	struct Window *window = windowFor(id);
+	window->heat = Cold;
+	window->unread = 0;
+	window->mark = false;
+	if (windows.active) windows.active->mark = true;
+	windows.other = windows.active;
+	windows.active = window;
+	touchwin(window->pad);
+	statusUpdate();
+}
+
 void uiWrite(size_t id, enum Heat heat, const struct tm *time, const char *str) {
 	(void)time;
 	struct Window *window = windowFor(id);
-- 
cgit 1.4.1


From 8bb9ea7b7ff2e98bbe629f9f2e63f1dcb70250e3 Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Sun, 2 Feb 2020 03:27:50 -0500
Subject: Add idColors

---
 chat.c   |  7 +++++++
 chat.h   | 47 +++++++++++++++++++++++++----------------------
 handle.c |  3 ++-
 ui.c     |  8 ++++----
 4 files changed, 38 insertions(+), 27 deletions(-)

(limited to 'chat.h')

diff --git a/chat.c b/chat.c
index d4ed31c..b61dd34 100644
--- a/chat.c
+++ b/chat.c
@@ -29,6 +29,13 @@ char *idNames[IDCap] = {
 	[Debug] = "<debug>",
 	[Network] = "<network>",
 };
+
+enum Color idColors[IDCap] = {
+	[None] = Black,
+	[Debug] = Red,
+	[Network] = Gray,
+};
+
 size_t idNext = Network + 1;
 
 struct Self self;
diff --git a/chat.h b/chat.h
index 9060f29..4ced983 100644
--- a/chat.h
+++ b/chat.h
@@ -26,8 +26,21 @@
 
 typedef unsigned char byte;
 
+#define B "\2"
+#define C "\3"
+#define R "\17"
+#define V "\26"
+#define I "\35"
+#define U "\37"
+enum Color {
+	White, Black, Blue, Green, Red, Brown, Magenta, Orange,
+	Yellow, LightGreen, Cyan, LightCyan, LightBlue, Pink, Gray, LightGray,
+	Default = 99,
+};
+
 enum { None, Debug, Network, IDCap = 256 };
 extern char *idNames[IDCap];
+extern enum Color idColors[IDCap];
 extern size_t idNext;
 
 static inline size_t idFind(const char *name) {
@@ -36,6 +49,7 @@ static inline size_t idFind(const char *name) {
 	}
 	return None;
 }
+
 static inline size_t idFor(const char *name) {
 	size_t id = idFind(name);
 	if (id) return id;
@@ -83,28 +97,6 @@ struct Message {
 	char *params[ParamCap];
 };
 
-#define B "\2"
-#define C "\3"
-#define R "\17"
-#define V "\26"
-#define I "\35"
-#define U "\37"
-enum Color {
-	White, Black, Blue, Green, Red, Brown, Magenta, Orange,
-	Yellow, LightGreen, Cyan, LightCyan, LightBlue, Pink, Gray, LightGray,
-	Default = 99,
-};
-static inline enum Color hash(const char *str) {
-	if (*str == '~') str++;
-	uint32_t hash = 0;
-	for (; *str; ++str) {
-		hash = (hash << 5) | (hash >> 27);
-		hash ^= *str;
-		hash *= 0x27220A95;
-	}
-	return 2 + hash % 14;
-}
-
 void ircConfig(bool insecure, const char *cert, const char *priv);
 int ircConnect(const char *host, const char *port);
 void ircRecv(void);
@@ -140,6 +132,17 @@ void termTitle(const char *title);
 void termMode(enum TermMode mode, bool set);
 enum TermEvent termEvent(char ch);
 
+static inline enum Color hash(const char *str) {
+	if (*str == '~') str++;
+	uint32_t hash = 0;
+	for (; *str; ++str) {
+		hash = (hash << 5) | (hash >> 27);
+		hash ^= *str;
+		hash *= 0x27220A95;
+	}
+	return 2 + hash % 14;
+}
+
 #define BASE64_SIZE(len) (1 + ((len) + 2) / 3 * 4)
 static const char Base64[64] = {
 	"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
diff --git a/handle.c b/handle.c
index 609867e..f52f6f9 100644
--- a/handle.c
+++ b/handle.c
@@ -183,12 +183,13 @@ static void handleJoin(struct Message *msg) {
 	require(msg, true, 1);
 	size_t id = idFor(msg->params[0]);
 	if (self.nick && !strcmp(msg->nick, self.nick)) {
+		idColors[id] = hash(msg->params[0]);
 		uiShowID(id);
 	}
 	uiFormat(
 		id, Cold, tagTime(msg),
 		C"%02d%s"C" arrives in "C"%02d%s"C,
-		hash(msg->user), msg->nick, hash(idNames[id]), idNames[id]
+		hash(msg->user), msg->nick, idColors[id], idNames[id]
 	);
 }
 
diff --git a/ui.c b/ui.c
index 3ae6592..961e448 100644
--- a/ui.c
+++ b/ui.c
@@ -268,15 +268,15 @@ static void statusUpdate(void) {
 	const struct Window *window;
 	for (num = 0, window = windows.head; window; ++num, window = window->next) {
 		if (!window->unread && window != windows.active) continue;
-		enum Color color = hash(idNames[window->id]); // FIXME: queries.
 		int unread;
 		char buf[256];
 		snprintf(
 			buf, sizeof(buf), C"%d%s %d %s %n("C"%02d%d"C"%d) ",
-			color, (window == windows.active ? V : ""),
+			idColors[window->id], (window == windows.active ? V : ""),
 			num, idNames[window->id],
-			&unread, (window->heat > Warm ? White : color), window->unread,
-			color
+			&unread, (window->heat > Warm ? White : idColors[window->id]),
+			window->unread,
+			idColors[window->id]
 		);
 		if (!window->unread) buf[unread] = '\0';
 		styleAdd(status, buf);
-- 
cgit 1.4.1


From 052cd2ed2688867f8b980d283ea3aa410d9dd6aa Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Sun, 2 Feb 2020 03:34:05 -0500
Subject: Remove style string macros

---
 chat.h   | 6 ------
 handle.c | 2 +-
 irc.c    | 2 +-
 ui.c     | 4 ++--
 4 files changed, 4 insertions(+), 10 deletions(-)

(limited to 'chat.h')

diff --git a/chat.h b/chat.h
index 4ced983..275fef9 100644
--- a/chat.h
+++ b/chat.h
@@ -26,12 +26,6 @@
 
 typedef unsigned char byte;
 
-#define B "\2"
-#define C "\3"
-#define R "\17"
-#define V "\26"
-#define I "\35"
-#define U "\37"
 enum Color {
 	White, Black, Blue, Green, Red, Brown, Magenta, Orange,
 	Yellow, LightGreen, Cyan, LightCyan, LightBlue, Pink, Gray, LightGray,
diff --git a/handle.c b/handle.c
index f52f6f9..ef61129 100644
--- a/handle.c
+++ b/handle.c
@@ -188,7 +188,7 @@ static void handleJoin(struct Message *msg) {
 	}
 	uiFormat(
 		id, Cold, tagTime(msg),
-		C"%02d%s"C" arrives in "C"%02d%s"C,
+		"\3%02d%s\3 arrives in \3%02d%s\3",
 		hash(msg->user), msg->nick, idColors[id], idNames[id]
 	);
 }
diff --git a/irc.c b/irc.c
index f07fcc8..d8c6a21 100644
--- a/irc.c
+++ b/irc.c
@@ -105,7 +105,7 @@ static void debug(char dir, const char *line) {
 	if (!self.debug) return;
 	size_t len = strcspn(line, "\r\n");
 	uiFormat(
-		Debug, Cold, NULL, C"%d%c%c"C" %.*s",
+		Debug, Cold, NULL, "\3%d%c%c\3 %.*s",
 		Gray, dir, dir, (int)len, line
 	);
 	if (!isatty(STDERR_FILENO)) {
diff --git a/ui.c b/ui.c
index 961e448..3f74e14 100644
--- a/ui.c
+++ b/ui.c
@@ -271,8 +271,8 @@ static void statusUpdate(void) {
 		int unread;
 		char buf[256];
 		snprintf(
-			buf, sizeof(buf), C"%d%s %d %s %n("C"%02d%d"C"%d) ",
-			idColors[window->id], (window == windows.active ? V : ""),
+			buf, sizeof(buf), "\3%d%s %d %s %n(\3%02d%d\3%d) ",
+			idColors[window->id], (window == windows.active ? "\26" : ""),
 			num, idNames[window->id],
 			&unread, (window->heat > Warm ? White : idColors[window->id]),
 			window->unread,
-- 
cgit 1.4.1


From 0d6a60cc6634cafe03671e9d5a1a64295c98bb9d Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Sun, 2 Feb 2020 17:37:36 -0500
Subject: Save NETWORK, CHANTYPES, PREFIX from ISUPPORT

---
 chat.c   |  4 ++++
 chat.h   | 11 ++++++++++-
 handle.c | 14 +++++++-------
 3 files changed, 21 insertions(+), 8 deletions(-)

(limited to 'chat.h')

diff --git a/chat.c b/chat.c
index b61dd34..162f68f 100644
--- a/chat.c
+++ b/chat.c
@@ -80,6 +80,10 @@ int main(int argc, char *argv[]) {
 	if (!user) user = nick;
 	if (!real) real = nick;
 
+	set(&self.network, host);
+	set(&self.chanTypes, "#&");
+	set(&self.prefixes, "@+");
+
 	ircConfig(insecure, cert, priv);
 
 	uiInit();
diff --git a/chat.h b/chat.h
index 275fef9..f9de779 100644
--- a/chat.h
+++ b/chat.h
@@ -65,12 +65,21 @@ enum Cap {
 
 extern struct Self {
 	bool debug;
+	char *plain;
 	const char *join;
 	enum Cap caps;
-	char *plain;
+	char *network;
+	char *chanTypes;
+	char *prefixes;
 	char *nick;
 } self;
 
+static inline void set(char **field, const char *value) {
+	free(*field);
+	*field = strdup(value);
+	if (!*field) err(EX_OSERR, "strdup");
+}
+
 #define ENUM_TAG \
 	X("time", TagTime)
 
diff --git a/handle.c b/handle.c
index 2af5837..2766cc8 100644
--- a/handle.c
+++ b/handle.c
@@ -59,12 +59,6 @@ static const char *capList(enum Cap caps) {
 	return buf;
 }
 
-static void set(char **field, const char *value) {
-	free(*field);
-	*field = strdup(value);
-	if (!*field) err(EX_OSERR, "strdup");
-}
-
 static void require(struct Message *msg, bool origin, size_t len) {
 	if (origin) {
 		if (!msg->nick) errx(EX_PROTOCOL, "%s missing origin", msg->cmd);
@@ -158,16 +152,22 @@ static void handleReplyWelcome(struct Message *msg) {
 }
 
 static void handleReplyISupport(struct Message *msg) {
-	// TODO: Extract CHANTYPES and PREFIX for future use.
 	for (size_t i = 1; i < ParamCap; ++i) {
 		if (!msg->params[i]) break;
 		char *key = strsep(&msg->params[i], "=");
 		if (!msg->params[i]) continue;
 		if (!strcmp(key, "NETWORK")) {
+			set(&self.network, msg->params[i]);
 			uiFormat(
 				Network, Cold, tagTime(msg),
 				"You arrive in %s", msg->params[i]
 			);
+		} else if (!strcmp(key, "CHANTYPES")) {
+			set(&self.chanTypes, msg->params[i]);
+		} else if (!strcmp(key, "PREFIX")) {
+			strsep(&msg->params[i], ")");
+			if (!msg->params[i]) continue;
+			set(&self.prefixes, msg->params[i]);
 		}
 	}
 }
-- 
cgit 1.4.1


From 8ec17d4f8ce2edab30d998d6b279f0e5cd840022 Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Sun, 2 Feb 2020 18:39:08 -0500
Subject: Use tsl/fsl capabilities for title if available

Also manually fill them if TERM=xterm* because they really should be
there.
---
 chat.h |  2 --
 term.c | 14 --------------
 ui.c   | 11 +++++++++--
 3 files changed, 9 insertions(+), 18 deletions(-)

(limited to 'chat.h')

diff --git a/chat.h b/chat.h
index f9de779..8a806f1 100644
--- a/chat.h
+++ b/chat.h
@@ -129,9 +129,7 @@ enum TermEvent {
 	TermPasteStart,
 	TermPasteEnd,
 };
-void termInit(void);
 void termNoFlow(void);
-void termTitle(const char *title);
 void termMode(enum TermMode mode, bool set);
 enum TermEvent termEvent(char ch);
 
diff --git a/term.c b/term.c
index bf4a933..427cac6 100644
--- a/term.c
+++ b/term.c
@@ -17,19 +17,11 @@
 #include <stdbool.h>
 #include <stdio.h>
 #include <stdlib.h>
-#include <string.h>
 #include <termios.h>
 #include <unistd.h>
 
 #include "chat.h"
 
-static bool xterm;
-
-void termInit(void) {
-	const char *term = getenv("TERM");
-	xterm = (term && !strncmp(term, "xterm", 5));
-}
-
 void termNoFlow(void) {
 	struct termios attr;
 	int error = tcgetattr(STDIN_FILENO, &attr);
@@ -39,12 +31,6 @@ void termNoFlow(void) {
 	tcsetattr(STDIN_FILENO, TCSANOW, &attr);
 }
 
-void termTitle(const char *title) {
-	if (!xterm) return;
-	printf("\33]0;%s\33\\", title);
-	fflush(stdout);
-}
-
 static void privateMode(const char *mode, bool set) {
 	printf("\33[?%s%c", mode, (set ? 'h' : 'l'));
 	fflush(stdout);
diff --git a/ui.c b/ui.c
index 2d5e454..f434289 100644
--- a/ui.c
+++ b/ui.c
@@ -24,6 +24,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <sysexits.h>
+#include <term.h>
 #include <time.h>
 #include <wchar.h>
 #include <wctype.h>
@@ -133,11 +134,15 @@ void uiInit(void) {
 	initscr();
 	cbreak();
 	noecho();
-	termInit();
 	termNoFlow();
 	def_prog_mode();
 	err_set_exit(errExit);
 	colorInit();
+	if (!to_status_line && !strncmp(termname(), "xterm", 5)) {
+		to_status_line = "\33]2;";
+		from_status_line = "\7";
+	}
+
 	status = newwin(1, COLS, 0, 0);
 	input = newpad(1, InputCols);
 	keypad(input, true);
@@ -305,7 +310,9 @@ static void statusUpdate(void) {
 		&unread, windows.active->unread
 	);
 	if (!windows.active->unread) buf[unread] = '\0';
-	termTitle(buf);
+	putp(to_status_line);
+	putp(buf);
+	putp(from_status_line);
 }
 
 void uiShowID(size_t id) {
-- 
cgit 1.4.1


From 5c328c7a8801d6a4aded769092ead9715d4ecf98 Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Sun, 2 Feb 2020 19:34:35 -0500
Subject: Remove term.c in favor of more curses APIs

---
 Makefile |  1 -
 chat.h   | 15 ---------------
 term.c   | 66 ----------------------------------------------------------------
 ui.c     | 28 +++++++++++++++++++++++++--
 4 files changed, 26 insertions(+), 84 deletions(-)
 delete mode 100644 term.c

(limited to 'chat.h')

diff --git a/Makefile b/Makefile
index ce27d4e..6ba0ba5 100644
--- a/Makefile
+++ b/Makefile
@@ -8,7 +8,6 @@ LDLIBS = -lcurses -lcrypto -ltls
 OBJS += chat.o
 OBJS += handle.o
 OBJS += irc.o
-OBJS += term.o
 OBJS += ui.o
 
 dev: tags all
diff --git a/chat.h b/chat.h
index 8a806f1..43f62fd 100644
--- a/chat.h
+++ b/chat.h
@@ -118,21 +118,6 @@ void uiFormat(
 	size_t id, enum Heat heat, const struct tm *time, const char *format, ...
 ) __attribute__((format(printf, 4, 5)));
 
-enum TermMode {
-	TermFocus,
-	TermPaste,
-};
-enum TermEvent {
-	TermNone,
-	TermFocusIn,
-	TermFocusOut,
-	TermPasteStart,
-	TermPasteEnd,
-};
-void termNoFlow(void);
-void termMode(enum TermMode mode, bool set);
-enum TermEvent termEvent(char ch);
-
 static inline enum Color hash(const char *str) {
 	if (*str == '~') str++;
 	uint32_t hash = 0;
diff --git a/term.c b/term.c
deleted file mode 100644
index 427cac6..0000000
--- a/term.c
+++ /dev/null
@@ -1,66 +0,0 @@
-/* Copyright (C) 2018, 2020  C. McEnroe <june@causal.agency>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-#include <stdbool.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <termios.h>
-#include <unistd.h>
-
-#include "chat.h"
-
-void termNoFlow(void) {
-	struct termios attr;
-	int error = tcgetattr(STDIN_FILENO, &attr);
-	if (error) return;
-	attr.c_iflag &= ~IXON;
-	attr.c_cc[VDISCARD] = _POSIX_VDISABLE;
-	tcsetattr(STDIN_FILENO, TCSANOW, &attr);
-}
-
-static void privateMode(const char *mode, bool set) {
-	printf("\33[?%s%c", mode, (set ? 'h' : 'l'));
-	fflush(stdout);
-}
-
-void termMode(enum TermMode mode, bool set) {
-	switch (mode) {
-		break; case TermFocus: privateMode("1004", set);
-		break; case TermPaste: privateMode("2004", set);
-	}
-}
-
-enum { Esc = '\33' };
-
-enum TermEvent termEvent(char ch) {
-	static int st;
-#define T(st, ch) ((st) << 8 | (ch))
-	switch (T(st, ch)) {
-		break; case T(0, Esc): st = 1;
-		break; case T(1, '['): st = 2;
-		break; case T(2, 'I'): st = 0; return TermFocusIn;
-		break; case T(2, 'O'): st = 0; return TermFocusOut;
-		break; case T(2, '2'): st = 3;
-		break; case T(3, '0'): st = 4;
-		break; case T(4, '0'): st = 5;
-		break; case T(5, '~'): st = 0; return TermPasteStart;
-		break; case T(4, '1'): st = 6;
-		break; case T(6, '~'): st = 0; return TermPasteEnd;
-		break; default: st = 0;
-	}
-	return 0;
-#undef T
-}
diff --git a/ui.c b/ui.c
index f434289..5d626ce 100644
--- a/ui.c
+++ b/ui.c
@@ -25,7 +25,9 @@
 #include <string.h>
 #include <sysexits.h>
 #include <term.h>
+#include <termios.h>
 #include <time.h>
+#include <unistd.h>
 #include <wchar.h>
 #include <wctype.h>
 
@@ -125,6 +127,23 @@ static struct Window *windowFor(size_t id) {
 	return window;
 }
 
+enum {
+	KeyFocusIn = KEY_MAX + 1,
+	KeyFocusOut,
+	KeyPasteOn,
+	KeyPasteOff,
+};
+
+static void disableFlowControl(void) {
+	struct termios term;
+	int error = tcgetattr(STDOUT_FILENO, &term);
+	if (error) err(EX_OSERR, "tcgetattr");
+	term.c_iflag &= ~IXON;
+	term.c_cc[VDISCARD] = _POSIX_VDISABLE;
+	error = tcsetattr(STDOUT_FILENO, TCSADRAIN, &term);
+	if (error) err(EX_OSERR, "tcsetattr");
+}
+
 static void errExit(int eval) {
 	(void)eval;
 	reset_shell_mode();
@@ -134,15 +153,20 @@ void uiInit(void) {
 	initscr();
 	cbreak();
 	noecho();
-	termNoFlow();
+	disableFlowControl();
 	def_prog_mode();
 	err_set_exit(errExit);
-	colorInit();
+
 	if (!to_status_line && !strncmp(termname(), "xterm", 5)) {
 		to_status_line = "\33]2;";
 		from_status_line = "\7";
 	}
+	define_key("\33[I", KeyFocusIn);
+	define_key("\33[O", KeyFocusOut);
+	define_key("\33[200~", KeyPasteOn);
+	define_key("\33[201~", KeyPasteOff);
 
+	colorInit();
 	status = newwin(1, COLS, 0, 0);
 	input = newpad(1, InputCols);
 	keypad(input, true);
-- 
cgit 1.4.1


From c9470b59a151f639e7985ca545bd67182e7a88d8 Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Sun, 2 Feb 2020 23:20:19 -0500
Subject: Add sequences for toggling focus/paste modes

---
 chat.h |  2 ++
 ui.c   | 19 +++++++++++++++++++
 2 files changed, 21 insertions(+)

(limited to 'chat.h')

diff --git a/chat.h b/chat.h
index 43f62fd..76d69c9 100644
--- a/chat.h
+++ b/chat.h
@@ -111,6 +111,8 @@ void handle(struct Message msg);
 
 enum Heat { Cold, Warm, Hot };
 void uiInit(void);
+void uiShow(void);
+void uiHide(void);
 void uiDraw(void);
 void uiShowID(size_t id);
 void uiWrite(size_t id, enum Heat heat, const struct tm *time, const char *str);
diff --git a/ui.c b/ui.c
index b9aadec..072ee84 100644
--- a/ui.c
+++ b/ui.c
@@ -136,6 +136,24 @@ enum {
 	KeyPasteOff,
 };
 
+// XXX: Assuming terminals will be fine with these even if they're unsupported,
+// since they're "private" modes.
+static const char *EnterFocusMode = "\33[?1004h";
+static const char *ExitFocusMode  = "\33[?1004l";
+static const char *EnterPasteMode = "\33[?2004h";
+static const char *ExitPasteMode  = "\33[?2004l";
+
+void uiShow(void) {
+	putp(EnterFocusMode);
+	putp(EnterPasteMode);
+}
+
+void uiHide(void) {
+	putp(ExitFocusMode);
+	putp(ExitPasteMode);
+	endwin();
+}
+
 static void disableFlowControl(void) {
 	struct termios term;
 	int error = tcgetattr(STDOUT_FILENO, &term);
@@ -174,6 +192,7 @@ void uiInit(void) {
 	keypad(input, true);
 	nodelay(input, true);
 	windows.active = windowFor(Network);
+	//uiShow();
 }
 
 void uiDraw(void) {
-- 
cgit 1.4.1


From 26e9dd9adfd4df90cd4cc6ef14d91cdad2efb239 Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Mon, 3 Feb 2020 18:41:52 -0500
Subject: Use time_t rather than struct tm

---
 chat.h   |  4 ++--
 handle.c | 11 ++++++-----
 ui.c     |  4 ++--
 3 files changed, 10 insertions(+), 9 deletions(-)

(limited to 'chat.h')

diff --git a/chat.h b/chat.h
index 76d69c9..9165c13 100644
--- a/chat.h
+++ b/chat.h
@@ -115,9 +115,9 @@ void uiShow(void);
 void uiHide(void);
 void uiDraw(void);
 void uiShowID(size_t id);
-void uiWrite(size_t id, enum Heat heat, const struct tm *time, const char *str);
+void uiWrite(size_t id, enum Heat heat, const time_t *time, const char *str);
 void uiFormat(
-	size_t id, enum Heat heat, const struct tm *time, const char *format, ...
+	size_t id, enum Heat heat, const time_t *time, const char *format, ...
 ) __attribute__((format(printf, 4, 5)));
 
 static inline enum Color hash(const char *str) {
diff --git a/handle.c b/handle.c
index 4bc2e3d..ef49f7c 100644
--- a/handle.c
+++ b/handle.c
@@ -71,12 +71,13 @@ static void require(struct Message *msg, bool origin, size_t len) {
 	}
 }
 
-static const struct tm *tagTime(const struct Message *msg) {
+static const time_t *tagTime(const struct Message *msg) {
+	static time_t time;
+	struct tm tm;
 	if (!msg->tags[TagTime]) return NULL;
-	static struct tm time;
-	char *rest = strptime(msg->tags[TagTime], "%FT%T", &time);
-	time.tm_gmtoff = 0;
-	return (rest ? &time : NULL);
+	if (!strptime(msg->tags[TagTime], "%FT%T", &tm)) return NULL;
+	time = timegm(&tm);
+	return &time;
 }
 
 typedef void Handler(struct Message *msg);
diff --git a/ui.c b/ui.c
index 072ee84..e2746f1 100644
--- a/ui.c
+++ b/ui.c
@@ -372,7 +372,7 @@ void uiShowID(size_t id) {
 	statusUpdate();
 }
 
-void uiWrite(size_t id, enum Heat heat, const struct tm *time, const char *str) {
+void uiWrite(size_t id, enum Heat heat, const time_t *time, const char *str) {
 	(void)time;
 	struct Window *window = windowFor(id);
 	waddch(window->pad, '\n');
@@ -387,7 +387,7 @@ void uiWrite(size_t id, enum Heat heat, const struct tm *time, const char *str)
 }
 
 void uiFormat(
-	size_t id, enum Heat heat, const struct tm *time, const char *format, ...
+	size_t id, enum Heat heat, const time_t *time, const char *format, ...
 ) {
 	char buf[1024];
 	va_list ap;
-- 
cgit 1.4.1


From 43845c61156bf27955891d68c2e1a2504786b587 Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Tue, 4 Feb 2020 03:58:56 -0500
Subject: Add beginnings of input handling

---
 chat.c | 12 +++++++++++-
 chat.h |  1 +
 ui.c   | 45 ++++++++++++++++++++++++++++++++++++++++++++-
 3 files changed, 56 insertions(+), 2 deletions(-)

(limited to 'chat.h')

diff --git a/chat.c b/chat.c
index 162f68f..3402621 100644
--- a/chat.c
+++ b/chat.c
@@ -15,7 +15,9 @@
  */
 
 #include <err.h>
+#include <errno.h>
 #include <locale.h>
+#include <poll.h>
 #include <stdbool.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -98,8 +100,16 @@ int main(int argc, char *argv[]) {
 	ircFormat("NICK :%s\r\n", nick);
 	ircFormat("USER %s 0 * :%s\r\n", user, real);
 
+	struct pollfd fds[2] = {
+		{ .events = POLLIN, .fd = STDIN_FILENO },
+		{ .events = POLLIN, .fd = irc },
+	};
 	for (;;) {
+		int nfds = poll(fds, 2, -1);
+		if (nfds < 0 && errno != EINTR) err(EX_IOERR, "poll");
+
+		if (fds[0].revents) uiRead();
+		if (fds[1].revents) ircRecv();
 		uiDraw();
-		ircRecv();
 	}
 }
diff --git a/chat.h b/chat.h
index 9165c13..8de5df1 100644
--- a/chat.h
+++ b/chat.h
@@ -115,6 +115,7 @@ void uiShow(void);
 void uiHide(void);
 void uiDraw(void);
 void uiShowID(size_t id);
+void uiRead(void);
 void uiWrite(size_t id, enum Heat heat, const time_t *time, const char *str);
 void uiFormat(
 	size_t id, enum Heat heat, const time_t *time, const char *format, ...
diff --git a/ui.c b/ui.c
index e2746f1..d69e706 100644
--- a/ui.c
+++ b/ui.c
@@ -14,6 +14,8 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
+#define _XOPEN_SOURCE_EXTENDED
+
 #include <assert.h>
 #include <ctype.h>
 #include <curses.h>
@@ -192,7 +194,7 @@ void uiInit(void) {
 	keypad(input, true);
 	nodelay(input, true);
 	windows.active = windowFor(Network);
-	//uiShow();
+	uiShow();
 }
 
 void uiDraw(void) {
@@ -397,3 +399,44 @@ void uiFormat(
 	assert((size_t)len < sizeof(buf));
 	uiWrite(id, heat, time, buf);
 }
+
+static void keyCode(int code) {
+	switch (code) {
+		break; case KEY_RESIZE:; // TODO
+		break; case KeyFocusIn:; // TODO
+		break; case KeyFocusOut: windows.active->mark = true;
+		break; case KeyPasteOn:; // TODO
+		break; case KeyPasteOff:; // TODO
+	}
+}
+
+static void keyMeta(wchar_t ch) {
+	switch (ch) {
+		break; case L'm': uiWrite(windows.active->id, Cold, NULL, "");
+	}
+}
+
+static void keyChar(wchar_t ch) {
+	switch (ch) {
+		break; case CTRL(L'L'): clearok(curscr, true);
+	}
+}
+
+void uiRead(void) {
+	int ret;
+	wint_t ch;
+	static bool meta;
+	while (ERR != (ret = wget_wch(input, &ch))) {
+		if (ret == KEY_CODE_YES) {
+			keyCode(ch);
+		} else if (ch == '\33') {
+			meta = true;
+			continue;
+		} else if (meta) {
+			keyMeta(ch);
+		} else {
+			keyChar(ch);
+		}
+		meta = false;
+	}
+}
-- 
cgit 1.4.1


From 9944dc484bf8cc7d5f1c506610a0593202bb5f92 Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Tue, 4 Feb 2020 20:23:55 -0500
Subject: Split showing style codes and word wrapping

---
 Makefile |   1 +
 chat.c   |   2 +-
 chat.h   |   4 ++
 edit.c   |  30 ++++++++++++
 ui.c     | 168 +++++++++++++++++++++++++++++++++++++++++----------------------
 5 files changed, 146 insertions(+), 59 deletions(-)
 create mode 100644 edit.c

(limited to 'chat.h')

diff --git a/Makefile b/Makefile
index 6ba0ba5..63f719d 100644
--- a/Makefile
+++ b/Makefile
@@ -6,6 +6,7 @@ CFLAGS += -std=c11 -Wall -Wextra -Wpedantic
 LDLIBS = -lcurses -lcrypto -ltls
 
 OBJS += chat.o
+OBJS += edit.o
 OBJS += handle.o
 OBJS += irc.o
 OBJS += ui.o
diff --git a/chat.c b/chat.c
index 1656a53..545eca6 100644
--- a/chat.c
+++ b/chat.c
@@ -41,7 +41,7 @@ enum Color idColors[IDCap] = {
 
 size_t idNext = Network + 1;
 
-struct Self self;
+struct Self self = { .color = Default };
 
 static volatile sig_atomic_t signals[NSIG];
 static void signalHandler(int signal) {
diff --git a/chat.h b/chat.h
index 8de5df1..c754357 100644
--- a/chat.h
+++ b/chat.h
@@ -72,6 +72,7 @@ extern struct Self {
 	char *chanTypes;
 	char *prefixes;
 	char *nick;
+	enum Color color;
 } self;
 
 static inline void set(char **field, const char *value) {
@@ -121,6 +122,9 @@ void uiFormat(
 	size_t id, enum Heat heat, const time_t *time, const char *format, ...
 ) __attribute__((format(printf, 4, 5)));
 
+const char *editHead(void);
+const char *editTail(void);
+
 static inline enum Color hash(const char *str) {
 	if (*str == '~') str++;
 	uint32_t hash = 0;
diff --git a/edit.c b/edit.c
new file mode 100644
index 0000000..446e0e9
--- /dev/null
+++ b/edit.c
@@ -0,0 +1,30 @@
+/* Copyright (C) 2020  C. McEnroe <june@causal.agency>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <err.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sysexits.h>
+
+#include "chat.h"
+
+const char *editHead(void) {
+	return "foo\0033bar";
+}
+
+const char *editTail(void) {
+	return "baz\3";
+}
diff --git a/ui.c b/ui.c
index e93c08c..568df8d 100644
--- a/ui.c
+++ b/ui.c
@@ -268,71 +268,18 @@ static void styleParse(struct Style *style, const char **str, size_t *len) {
 	*len = strcspn(*str, "\2\3\17\26\35\37");
 }
 
-static int wordWidth(const char *str) {
-	size_t len = strcspn(str, " ");
-	int width = 0;
-	while (len) {
-		wchar_t wc;
-		int n = mbtowc(&wc, str, len);
-		if (n < 1) return width + len;
-		width += (iswprint(wc) ? wcwidth(wc) : 0);
-		str += n;
-		len -= n;
-	}
-	return width;
-}
-
-static void styleAdd(WINDOW *win, const char *str, bool show) {
-	int y, x, width;
-	getmaxyx(win, y, width);
-
+static void statusAdd(const char *str) {
 	size_t len;
-	int align = 0;
 	struct Style style = Reset;
 	while (*str) {
-		if (*str == '\t') {
-			waddch(win, ' ');
-			getyx(win, y, align);
-			str++;
-		} else if (*str == ' ') {
-			getyx(win, y, x);
-			const char *word = &str[strspn(str, " ")];
-			if (width - x - 1 <= wordWidth(word)) {
-				waddch(win, '\n');
-				getyx(win, y, x);
-				wmove(win, y, align);
-				str = word;
-			} else {
-				waddch(win, ' ');
-				str++;
-			}
-		}
-
-		const char *code = str;
 		styleParse(&style, &str, &len);
-		if (show) {
-			wattr_set(win, A_BOLD | A_REVERSE, 0, NULL);
-			switch (*code) {
-				break; case '\2':  waddch(win, 'B');
-				break; case '\3':  waddch(win, 'C');
-				break; case '\17': waddch(win, 'O');
-				break; case '\26': waddch(win, 'R');
-				break; case '\35': waddch(win, 'I');
-				break; case '\37': waddch(win, 'U');
-			}
-			if (str - code > 1) waddnstr(win, &code[1], str - &code[1]);
-		}
-
-		size_t ws = strcspn(str, "\t ");
-		if (ws < len) len = ws;
-
 		wattr_set(
-			win,
+			status,
 			style.attr | colorAttr(mapColor(style.fg)),
 			colorPair(mapColor(style.fg), mapColor(style.bg)),
 			NULL
 		);
-		waddnstr(win, str, len);
+		waddnstr(status, str, len);
 		str += len;
 	}
 }
@@ -354,7 +301,7 @@ static void statusUpdate(void) {
 			idColors[window->id]
 		);
 		if (!window->unread) buf[unread] = '\0';
-		styleAdd(status, buf, false);
+		statusAdd(buf);
 	}
 	wclrtoeol(status);
 
@@ -399,6 +346,61 @@ void uiShowNum(size_t num) {
 	windowShow(window);
 }
 
+static int wordWidth(const char *str) {
+	size_t len = strcspn(str, " ");
+	int width = 0;
+	while (len) {
+		wchar_t wc;
+		int n = mbtowc(&wc, str, len);
+		if (n < 1) return width + len;
+		width += (iswprint(wc) ? wcwidth(wc) : 0);
+		str += n;
+		len -= n;
+	}
+	return width;
+}
+
+static void wordWrap(WINDOW *win, const char *str) {
+	int y, x, width;
+	getmaxyx(win, y, width);
+
+	size_t len;
+	int align = 0;
+	struct Style style = Reset;
+	while (*str) {
+		if (*str == '\t') {
+			waddch(win, ' ');
+			getyx(win, y, align);
+			str++;
+		} else if (*str == ' ') {
+			getyx(win, y, x);
+			const char *word = &str[strspn(str, " ")];
+			if (width - x - 1 <= wordWidth(word)) {
+				waddch(win, '\n');
+				getyx(win, y, x);
+				wmove(win, y, align);
+				str = word;
+			} else {
+				waddch(win, ' ');
+				str++;
+			}
+		}
+
+		styleParse(&style, &str, &len);
+		size_t ws = strcspn(str, "\t ");
+		if (ws < len) len = ws;
+
+		wattr_set(
+			win,
+			style.attr | colorAttr(mapColor(style.fg)),
+			colorPair(mapColor(style.fg), mapColor(style.bg)),
+			NULL
+		);
+		waddnstr(win, str, len);
+		str += len;
+	}
+}
+
 void uiWrite(size_t id, enum Heat heat, const time_t *time, const char *str) {
 	(void)time;
 	struct Window *window = windowFor(id);
@@ -410,7 +412,7 @@ void uiWrite(size_t id, enum Heat heat, const time_t *time, const char *str) {
 		window->heat = heat;
 		statusUpdate();
 	}
-	styleAdd(window->pad, str, false);
+	wordWrap(window->pad, str);
 }
 
 void uiFormat(
@@ -425,6 +427,55 @@ void uiFormat(
 	uiWrite(id, heat, time, buf);
 }
 
+static void inputAdd(struct Style *style, const char *str) {
+	size_t len;
+	while (*str) {
+		const char *code = str;
+		styleParse(style, &str, &len);
+		wattr_set(input, A_BOLD | A_REVERSE, 0, NULL);
+		switch (*code) {
+			break; case '\2':  waddch(input, 'B');
+			break; case '\3':  waddch(input, 'C');
+			break; case '\17': waddch(input, 'O');
+			break; case '\26': waddch(input, 'R');
+			break; case '\35': waddch(input, 'I');
+			break; case '\37': waddch(input, 'U');
+		}
+		if (str - code > 1) waddnstr(input, &code[1], str - &code[1]);
+		wattr_set(
+			input,
+			style->attr | colorAttr(mapColor(style->fg)),
+			colorPair(mapColor(style->fg), mapColor(style->bg)),
+			NULL
+		);
+		waddnstr(input, str, len);
+		str += len;
+	}
+}
+
+static void inputUpdate(void) {
+	wmove(input, 0, 0);
+	wattr_set(
+		input,
+		colorAttr(mapColor(self.color)),
+		colorPair(mapColor(self.color), -1),
+		NULL
+	);
+	if (self.nick) {
+		waddch(input, '<');
+		waddstr(input, self.nick);
+		waddstr(input, "> ");
+	}
+
+	int y, x;
+	struct Style style = Reset;
+	inputAdd(&style, editHead());
+	getyx(input, y, x);
+	inputAdd(&style, editTail());
+	wclrtoeol(input);
+	wmove(input, y, x);
+}
+
 static void keyCode(int code) {
 	switch (code) {
 		break; case KEY_RESIZE:; // TODO
@@ -467,4 +518,5 @@ void uiRead(void) {
 		}
 		meta = false;
 	}
+	inputUpdate();
 }
-- 
cgit 1.4.1


From 4cce893eab7403821ff211f64a7df05051fd6f52 Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Wed, 5 Feb 2020 00:20:39 -0500
Subject: Add extremely basic editing and message sending

---
 Makefile  |  1 +
 chat.h    | 12 ++++++++++--
 command.c | 32 ++++++++++++++++++++++++++++++++
 edit.c    | 32 +++++++++++++++++++++++++-------
 ui.c      |  5 ++++-
 5 files changed, 72 insertions(+), 10 deletions(-)
 create mode 100644 command.c

(limited to 'chat.h')

diff --git a/Makefile b/Makefile
index 63f719d..05f8bb8 100644
--- a/Makefile
+++ b/Makefile
@@ -6,6 +6,7 @@ CFLAGS += -std=c11 -Wall -Wextra -Wpedantic
 LDLIBS = -lcurses -lcrypto -ltls
 
 OBJS += chat.o
+OBJS += command.o
 OBJS += edit.o
 OBJS += handle.o
 OBJS += irc.o
diff --git a/chat.h b/chat.h
index c754357..c8b31c2 100644
--- a/chat.h
+++ b/chat.h
@@ -20,6 +20,7 @@
 #include <string.h>
 #include <sysexits.h>
 #include <time.h>
+#include <wchar.h>
 
 #define ARRAY_LEN(a) (sizeof(a) / sizeof(a[0]))
 #define BIT(x) x##Bit, x = 1 << x##Bit, x##Bit_ = x##Bit
@@ -109,6 +110,7 @@ void ircFormat(const char *format, ...)
 	__attribute__((format(printf, 1, 2)));
 
 void handle(struct Message msg);
+void command(size_t id, char *input);
 
 enum Heat { Cold, Warm, Hot };
 void uiInit(void);
@@ -122,8 +124,14 @@ void uiFormat(
 	size_t id, enum Heat heat, const time_t *time, const char *format, ...
 ) __attribute__((format(printf, 4, 5)));
 
-const char *editHead(void);
-const char *editTail(void);
+enum Edit {
+	EditKill,
+	EditInsert,
+	EditEnter,
+};
+void edit(size_t id, enum Edit op, wchar_t ch);
+char *editHead(void);
+char *editTail(void);
 
 static inline enum Color hash(const char *str) {
 	if (*str == '~') str++;
diff --git a/command.c b/command.c
new file mode 100644
index 0000000..ab05587
--- /dev/null
+++ b/command.c
@@ -0,0 +1,32 @@
+/* Copyright (C) 2020  C. McEnroe <june@causal.agency>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "chat.h"
+
+void command(size_t id, char *input) {
+	ircFormat("PRIVMSG %s :%s\r\n", idNames[id], input);
+	struct Message msg = {
+		.nick = self.nick,
+		// TODO: .user,
+		.cmd = "PRIVMSG",
+		.params[0] = idNames[id],
+		.params[1] = input,
+	};
+	handle(msg);
+}
diff --git a/edit.c b/edit.c
index e142507..68593d1 100644
--- a/edit.c
+++ b/edit.c
@@ -23,22 +23,40 @@
 #include "chat.h"
 
 enum { Cap = 512 };
-static wchar_t buf[Cap] = L"foo\0033bar\3baz";
-static size_t len = 12;
-static size_t pos = 6;
+static wchar_t buf[Cap];
+static size_t len;
+static size_t pos;
 
-const char *editHead(void) {
+char *editHead(void) {
 	static char mbs[MB_LEN_MAX * Cap];
 	const wchar_t *ptr = buf;
-	size_t n = wcsnrtombs(mbs, &ptr, pos, sizeof(mbs), NULL);
+	size_t n = wcsnrtombs(mbs, &ptr, pos, sizeof(mbs) - 1, NULL);
 	assert(n != (size_t)-1);
+	mbs[n] = '\0';
 	return mbs;
 }
 
-const char *editTail(void) {
+char *editTail(void) {
 	static char mbs[MB_LEN_MAX * Cap];
 	const wchar_t *ptr = &buf[pos];
-	size_t n = wcsnrtombs(mbs, &ptr, len - pos, sizeof(mbs), NULL);
+	size_t n = wcsnrtombs(mbs, &ptr, len - pos, sizeof(mbs) - 1, NULL);
 	assert(n != (size_t)-1);
+	mbs[n] = '\0';
 	return mbs;
 }
+
+void edit(size_t id, enum Edit op, wchar_t ch) {
+	switch (op) {
+		break; case EditKill: len = pos = 0;
+		break; case EditInsert: {
+			if (len == Cap) break;
+			buf[pos++] = ch;
+			len++;
+		}
+		break; case EditEnter: {
+			pos = 0;
+			command(id, editTail());
+			len = 0;
+		}
+	}
+}
diff --git a/ui.c b/ui.c
index 8f813b4..b764f84 100644
--- a/ui.c
+++ b/ui.c
@@ -498,8 +498,11 @@ static void keyMeta(wchar_t ch) {
 }
 
 static void keyCtrl(wchar_t ch) {
+	size_t id = windows.active->id;
 	switch (ch) {
+		break; case L'J': edit(id, EditEnter, 0);
 		break; case L'L': clearok(curscr, true);
+		break; case L'U': edit(id, EditKill, 0);
 	}
 }
 
@@ -518,7 +521,7 @@ void uiRead(void) {
 		} else if (iswcntrl(ch)) {
 			keyCtrl(ch ^ L'@');
 		} else {
-			// TODO: Insert.
+			edit(windows.active->id, EditInsert, ch);
 		}
 		meta = false;
 	}
-- 
cgit 1.4.1


From 7414a8a11cd8d16fea47e30513b3a5eaeb232ba1 Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Wed, 5 Feb 2020 00:40:24 -0500
Subject: Save own username for message echoing

---
 chat.h    | 1 +
 command.c | 2 +-
 handle.c  | 5 ++++-
 3 files changed, 6 insertions(+), 2 deletions(-)

(limited to 'chat.h')

diff --git a/chat.h b/chat.h
index c8b31c2..90c7da8 100644
--- a/chat.h
+++ b/chat.h
@@ -73,6 +73,7 @@ extern struct Self {
 	char *chanTypes;
 	char *prefixes;
 	char *nick;
+	char *user;
 	enum Color color;
 } self;
 
diff --git a/command.c b/command.c
index ab05587..76d7d7b 100644
--- a/command.c
+++ b/command.c
@@ -23,7 +23,7 @@ void command(size_t id, char *input) {
 	ircFormat("PRIVMSG %s :%s\r\n", idNames[id], input);
 	struct Message msg = {
 		.nick = self.nick,
-		// TODO: .user,
+		.user = self.user,
 		.cmd = "PRIVMSG",
 		.params[0] = idNames[id],
 		.params[1] = input,
diff --git a/handle.c b/handle.c
index b5585ba..85783d7 100644
--- a/handle.c
+++ b/handle.c
@@ -187,7 +187,10 @@ static void handleJoin(struct Message *msg) {
 	require(msg, true, 1);
 	size_t id = idFor(msg->params[0]);
 	if (self.nick && !strcmp(msg->nick, self.nick)) {
-		self.color = hash(msg->user);
+		if (!self.user) {
+			set(&self.user, msg->user);
+			self.color = hash(msg->user);
+		}
 		idColors[id] = hash(msg->params[0]);
 		uiShowID(id);
 	}
-- 
cgit 1.4.1


From b2d35edcb22a9a41235229b41b180a50b51b5908 Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Wed, 5 Feb 2020 19:00:54 -0500
Subject: Change prompt depending on command

---
 chat.h    |  3 +++
 command.c | 21 +++++++++++++++++++++
 ui.c      | 23 ++++++++++++++++++-----
 3 files changed, 42 insertions(+), 5 deletions(-)

(limited to 'chat.h')

diff --git a/chat.h b/chat.h
index 90c7da8..b73cf40 100644
--- a/chat.h
+++ b/chat.h
@@ -112,6 +112,9 @@ void ircFormat(const char *format, ...)
 
 void handle(struct Message msg);
 void command(size_t id, char *input);
+const char *commandIsPrivmsg(size_t id, const char *input);
+const char *commandIsNotice(size_t id, const char *input);
+const char *commandIsAction(size_t id, const char *input);
 
 enum Heat { Cold, Warm, Hot };
 void uiInit(void);
diff --git a/command.c b/command.c
index ef27888..928f470 100644
--- a/command.c
+++ b/command.c
@@ -19,6 +19,27 @@
 
 #include "chat.h"
 
+const char *commandIsPrivmsg(size_t id, const char *input) {
+	if (id == Network || id == Debug) return NULL;
+	if (input[0] != '/') return input;
+	const char *space = strchr(&input[1], ' ');
+	const char *slash = strchr(&input[1], '/');
+	if (slash && (!space || slash < space)) return input;
+	return NULL;
+}
+
+const char *commandIsNotice(size_t id, const char *input) {
+	if (id == Network || id == Debug) return NULL;
+	if (strncmp(input, "/notice ", 8)) return NULL;
+	return &input[8];
+}
+
+const char *commandIsAction(size_t id, const char *input) {
+	if (id == Network || id == Debug) return NULL;
+	if (strncmp(input, "/me ", 4)) return NULL;
+	return &input[4];
+}
+
 void command(size_t id, char *input) {
 	if (id == Debug) {
 		ircFormat("%s\r\n", input);
diff --git a/ui.c b/ui.c
index 12c8541..daa6dec 100644
--- a/ui.c
+++ b/ui.c
@@ -479,16 +479,29 @@ static void inputUpdate(void) {
 		colorPair(mapColor(self.color), -1),
 		NULL
 	);
+	const char *head = editHead();
+	const char *skip = NULL;
 	if (self.nick) {
-		// TODO: Check if input is command or action.
-		waddch(input, '<');
-		waddstr(input, self.nick);
-		waddstr(input, "> ");
+		size_t id = windows.active->id;
+		if (NULL != (skip = commandIsPrivmsg(id, head))) {
+			waddch(input, '<');
+			waddstr(input, self.nick);
+			waddstr(input, "> ");
+		} else if (NULL != (skip = commandIsNotice(id, head))) {
+			waddch(input, '-');
+			waddstr(input, self.nick);
+			waddstr(input, "- ");
+		} else if (NULL != (skip = commandIsAction(id, head))) {
+			waddstr(input, "* ");
+			waddstr(input, self.nick);
+			waddch(input, ' ');
+		}
 	}
+	if (skip) head = skip;
 
 	int y, x;
 	struct Style style = Reset;
-	inputAdd(&style, editHead());
+	inputAdd(&style, head);
 	getyx(input, y, x);
 	inputAdd(&style, editTail());
 	wclrtoeol(input);
-- 
cgit 1.4.1


From 7c0e9cf3d2e83814fab3bb4bb09f7b955c2afaca Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Wed, 5 Feb 2020 21:57:23 -0500
Subject: Add /quit

---
 chat.c    | 13 ++++++++-----
 chat.h    |  1 +
 command.c |  5 +++++
 3 files changed, 14 insertions(+), 5 deletions(-)

(limited to 'chat.h')

diff --git a/chat.c b/chat.c
index 2d58b1e..1ad2833 100644
--- a/chat.c
+++ b/chat.c
@@ -115,13 +115,12 @@ int main(int argc, char *argv[]) {
 		{ .events = POLLIN, .fd = STDIN_FILENO },
 		{ .events = POLLIN, .fd = irc },
 	};
-	for (;;) {
+	while (!self.quit) {
 		int nfds = poll(fds, 2, -1);
 		if (nfds < 0 && errno != EINTR) err(EX_IOERR, "poll");
 
-		if (signals[SIGHUP] || signals[SIGINT] || signals[SIGTERM]) {
-			break;
-		}
+		if (signals[SIGHUP]) self.quit = "zzz";
+		if (signals[SIGINT] || signals[SIGTERM]) break;
 		if (signals[SIGWINCH]) {
 			signals[SIGWINCH] = 0;
 			cursesWinch(SIGWINCH);
@@ -136,6 +135,10 @@ int main(int argc, char *argv[]) {
 		uiDraw();
 	}
 
-	ircFormat("QUIT\r\n");
+	if (self.quit) {
+		ircFormat("QUIT :%s\r\n", self.quit);
+	} else {
+		ircFormat("QUIT\r\n");
+	}
 	uiHide();
 }
diff --git a/chat.h b/chat.h
index b73cf40..5b3c01c 100644
--- a/chat.h
+++ b/chat.h
@@ -75,6 +75,7 @@ extern struct Self {
 	char *nick;
 	char *user;
 	enum Color color;
+	char *quit;
 } self;
 
 static inline void set(char **field, const char *value) {
diff --git a/command.c b/command.c
index 0843bd3..7fb98af 100644
--- a/command.c
+++ b/command.c
@@ -56,12 +56,17 @@ static void commandMe(size_t id, char *params) {
 	commandPrivmsg(id, buf);
 }
 
+static void commandQuit(size_t id, char *params) {
+	set(&self.quit, (params ? params : "Goodbye"));
+}
+
 static const struct Handler {
 	const char *cmd;
 	Command *fn;
 } Commands[] = {
 	{ "/me", commandMe },
 	{ "/notice", commandNotice },
+	{ "/quit", commandQuit },
 	{ "/quote", commandQuote },
 };
 
-- 
cgit 1.4.1


From b2cf8733048029354aeb794b14dd71d1bbb0b72d Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Wed, 5 Feb 2020 22:09:29 -0500
Subject: Add /window

---
 chat.h    |  1 +
 command.c | 34 +++++++++++++++++++++-------------
 2 files changed, 22 insertions(+), 13 deletions(-)

(limited to 'chat.h')

diff --git a/chat.h b/chat.h
index 5b3c01c..9317843 100644
--- a/chat.h
+++ b/chat.h
@@ -123,6 +123,7 @@ void uiShow(void);
 void uiHide(void);
 void uiDraw(void);
 void uiShowID(size_t id);
+void uiShowNum(size_t num);
 void uiRead(void);
 void uiWrite(size_t id, enum Heat heat, const time_t *time, const char *str);
 void uiFormat(
diff --git a/command.c b/command.c
index 7fb98af..8471214 100644
--- a/command.c
+++ b/command.c
@@ -57,9 +57,16 @@ static void commandMe(size_t id, char *params) {
 }
 
 static void commandQuit(size_t id, char *params) {
+	(void)id;
 	set(&self.quit, (params ? params : "Goodbye"));
 }
 
+static void commandWindow(size_t id, char *params) {
+	(void)id;
+	if (!params) return;
+	uiShowNum(strtoul(params, NULL, 10));
+}
+
 static const struct Handler {
 	const char *cmd;
 	Command *fn;
@@ -68,6 +75,7 @@ static const struct Handler {
 	{ "/notice", commandNotice },
 	{ "/quit", commandQuit },
 	{ "/quote", commandQuote },
+	{ "/window", commandWindow },
 };
 
 static int compar(const void *cmd, const void *_handler) {
@@ -97,21 +105,21 @@ const char *commandIsAction(size_t id, const char *input) {
 }
 
 void command(size_t id, char *input) {
-	if (id == Debug) {
+	if (id == Debug && input[0] != '/') {
 		commandQuote(id, input);
-		return;
-	}
-	if (commandIsPrivmsg(id, input)) {
+	} else if (commandIsPrivmsg(id, input)) {
 		commandPrivmsg(id, input);
-		return;
-	}
-	char *cmd = strsep(&input, " ");
-	const struct Handler *handler = bsearch(
-		cmd, Commands, ARRAY_LEN(Commands), sizeof(*handler), compar
-	);
-	if (handler) {
-		handler->fn(id, input);
+	} else if (input[0] == '/' && isdigit(input[1])) {
+		commandWindow(id, &input[1]);
 	} else {
-		uiFormat(id, Hot, NULL, "No such command %s", cmd);
+		char *cmd = strsep(&input, " ");
+		const struct Handler *handler = bsearch(
+			cmd, Commands, ARRAY_LEN(Commands), sizeof(*handler), compar
+		);
+		if (handler) {
+			handler->fn(id, input);
+		} else {
+			uiFormat(id, Hot, NULL, "No such command %s", cmd);
+		}
 	}
 }
-- 
cgit 1.4.1


From 27eaddb6b9524b43448f4e5c88ac74bbe8fdb3a5 Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Wed, 5 Feb 2020 22:49:56 -0500
Subject: Use getopt_config to load options

I'm really getting a lot of use out of this config.c huh.
---
 Makefile  |   1 +
 catgirl.1 |  41 ++++++++++-----
 chat.c    |  20 ++++++-
 chat.h    |   7 +++
 config.c  | 178 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 5 files changed, 234 insertions(+), 13 deletions(-)
 create mode 100644 config.c

(limited to 'chat.h')

diff --git a/Makefile b/Makefile
index 05f8bb8..213ecb5 100644
--- a/Makefile
+++ b/Makefile
@@ -7,6 +7,7 @@ LDLIBS = -lcurses -lcrypto -ltls
 
 OBJS += chat.o
 OBJS += command.o
+OBJS += config.o
 OBJS += edit.o
 OBJS += handle.o
 OBJS += irc.o
diff --git a/catgirl.1 b/catgirl.1
index fb031c2..91c4ff4 100644
--- a/catgirl.1
+++ b/catgirl.1
@@ -19,6 +19,7 @@
 .Op Fl r Ar real
 .Op Fl u Ar user
 .Op Fl w Ar pass
+.Op Ar config ...
 .
 .Sh DESCRIPTION
 The
@@ -27,9 +28,25 @@ program is a curses
 TLS-only IRC client.
 .
 .Pp
+Options can be loaded from files
+listed on the command line.
+Files are searched for in
+.Pa $XDG_CONFIG_DIRS/catgirl
+unless the path starts with
+.Ql /
+or
+.Ql \&. .
+Each option is placed on a line,
+and lines beginning with
+.Ql #
+are ignored.
+The options are listed below
+following their corresponding flags.
+.
+.Pp
 The arguments are as follows:
 .Bl -tag -width Ds
-.It Fl a Ar user Ns : Ns Ar pass
+.It Fl a Ar user Ns : Ns Ar pass , Cm sasl-plain = Ar user Ns : Ns Ar pass
 Authenticate as
 .Ar user
 with
@@ -40,7 +57,7 @@ in plain text,
 it is recommended to use SASL EXTERNAL instead with
 .Fl e .
 .
-.It Fl c Ar path
+.It Fl c Ar path , Cm cert = Ar path
 Load the TLS client certificate from
 .Ar path .
 If the private key is in a separate file,
@@ -50,52 +67,52 @@ With
 .Fl e ,
 authenticate using SASL EXTERNAL.
 .
-.It Fl e
+.It Fl e , Cm sasl-external
 Authenticate using SASL EXTERNAL,
 also known as CertFP.
 The TLS client certificate is loaded with
 .Fl c .
 .
-.It Fl h Ar host
+.It Fl h Ar host , Cm host = Ar host
 Connect to
 .Ar host .
 .
-.It Fl j Ar join
+.It Fl j Ar join , Cm join = Ar join
 Join the comma-separated list of channels
 .Ar join .
 .
-.It Fl k Ar path
+.It Fl k Ar path , Cm priv = Ar priv
 Load the TLS client private key from
 .Ar path .
 .
-.It Fl n Ar nick
+.It Fl n Ar nick , Cm nick = Ar nick
 Set nickname to
 .Ar nick .
 The default nickname is the user's name.
 .
-.It Fl p Ar port
+.It Fl p Ar port , Cm port = Ar port
 Connect to
 .Ar port .
 The default port is 6697.
 .
-.It Fl r Ar real
+.It Fl r Ar real , Cm real = Ar real
 Set realname to
 .Ar real .
 The default realname is the same as the nickname.
 .
-.It Fl u Ar user
+.It Fl u Ar user , Cm user = Ar user
 Set username to
 .Ar user .
 The default username is the same as the nickname.
 .
-.It Fl v
+.It Fl v , Cm debug
 Log raw IRC messages to the
 .Sy <debug>
 window
 as well as standard error
 if it is not a terminal.
 .
-.It Fl w Ar pass
+.It Fl w Ar pass , Cm pass = Ar pass
 Log in with the server password
 .Ar pass .
 .El
diff --git a/chat.c b/chat.c
index 1ad2833..c67d8a9 100644
--- a/chat.c
+++ b/chat.c
@@ -63,8 +63,26 @@ int main(int argc, char *argv[]) {
 	const char *user = NULL;
 	const char *real = NULL;
 
+	const char *Opts = "!a:c:eh:j:k:n:p:r:u:vw:";
+	const struct option LongOpts[] = {
+		{ "insecure", no_argument, NULL, '!' },
+		{ "sasl-plain", required_argument, NULL, 'a' },
+		{ "cert", required_argument, NULL, 'c' },
+		{ "sasl-external", no_argument, NULL, 'e' },
+		{ "host", required_argument, NULL, 'h' },
+		{ "join", required_argument, NULL, 'j' },
+		{ "priv", required_argument, NULL, 'k' },
+		{ "nick", required_argument, NULL, 'n' },
+		{ "port", required_argument, NULL, 'p' },
+		{ "real", required_argument, NULL, 'r' },
+		{ "user", required_argument, NULL, 'u' },
+		{ "debug", no_argument, NULL, 'v' },
+		{ "pass", required_argument, NULL, 'w' },
+		{0},
+	};
+
 	int opt;
-	while (0 < (opt = getopt(argc, argv, "!a:c:eh:j:k:n:p:r:u:vw:"))) {
+	while (0 < (opt = getopt_config(argc, argv, Opts, LongOpts, NULL))) {
 		switch (opt) {
 			break; case '!': insecure = true;
 			break; case 'a': sasl = true; self.plain = optarg;
diff --git a/chat.h b/chat.h
index 9317843..57d4ba6 100644
--- a/chat.h
+++ b/chat.h
@@ -15,6 +15,7 @@
  */
 
 #include <err.h>
+#include <getopt.h>
 #include <stdbool.h>
 #include <stdint.h>
 #include <string.h>
@@ -139,6 +140,12 @@ void edit(size_t id, enum Edit op, wchar_t ch);
 char *editHead(void);
 char *editTail(void);
 
+FILE *configOpen(const char *path, const char *mode);
+int getopt_config(
+	int argc, char *const *argv,
+	const char *optstring, const struct option *longopts, int *longindex
+);
+
 static inline enum Color hash(const char *str) {
 	if (*str == '~') str++;
 	uint32_t hash = 0;
diff --git a/config.c b/config.c
new file mode 100644
index 0000000..b3e42f9
--- /dev/null
+++ b/config.c
@@ -0,0 +1,178 @@
+/* Copyright (C) 2019  C. McEnroe <june@causal.agency>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <err.h>
+#include <errno.h>
+#include <getopt.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "chat.h"
+
+#define CONFIG_DIR "catgirl"
+
+FILE *configOpen(const char *path, const char *mode) {
+	if (path[0] == '/' || path[0] == '.') goto local;
+
+	const char *home = getenv("HOME");
+	const char *configHome = getenv("XDG_CONFIG_HOME");
+	const char *configDirs = getenv("XDG_CONFIG_DIRS");
+
+	char buf[PATH_MAX];
+	if (configHome) {
+		snprintf(buf, sizeof(buf), "%s/" CONFIG_DIR "/%s", configHome, path);
+	} else {
+		if (!home) goto local;
+		snprintf(buf, sizeof(buf), "%s/.config/" CONFIG_DIR "/%s", home, path);
+	}
+	FILE *file = fopen(buf, mode);
+	if (file) return file;
+	if (errno != ENOENT) return NULL;
+
+	if (!configDirs) configDirs = "/etc/xdg";
+	while (*configDirs) {
+		size_t len = strcspn(configDirs, ":");
+		snprintf(
+			buf, sizeof(buf), "%.*s/" CONFIG_DIR "/%s",
+			(int)len, configDirs, path
+		);
+		file = fopen(buf, mode);
+		if (file) return file;
+		if (errno != ENOENT) return NULL;
+		configDirs += len;
+		if (*configDirs) configDirs++;
+	}
+
+local:
+	return fopen(path, mode);
+}
+
+#define WS "\t "
+
+static const char *path;
+static FILE *file;
+static size_t num;
+static char *line;
+static size_t cap;
+
+static int clean(int opt) {
+	if (file) fclose(file);
+	free(line);
+	line = NULL;
+	cap = 0;
+	return opt;
+}
+
+int getopt_config(
+	int argc, char *const *argv,
+	const char *optstring, const struct option *longopts, int *longindex
+) {
+	static int opt;
+	if (opt >= 0) {
+		opt = getopt_long(argc, argv, optstring, longopts, longindex);
+	}
+	if (opt >= 0) return opt;
+
+	for (;;) {
+		if (!file) {
+			if (optind < argc) {
+				num = 0;
+				path = argv[optind++];
+				file = configOpen(path, "r");
+				if (!file) {
+					warn("%s", path);
+					return clean('?');
+				}
+			} else {
+				return clean(-1);
+			}
+		}
+
+		for (;;) {
+			ssize_t llen = getline(&line, &cap, file);
+			if (ferror(file)) {
+				warn("%s", path);
+				return clean('?');
+			}
+			if (llen <= 0) break;
+			if (line[llen - 1] == '\n') line[llen - 1] = '\0';
+			num++;
+
+			char *name = line + strspn(line, WS);
+			size_t len = strcspn(name, WS "=");
+			if (!name[0] || name[0] == '#') continue;
+
+			const struct option *option;
+			for (option = longopts; option->name; ++option) {
+				if (strlen(option->name) != len) continue;
+				if (!strncmp(option->name, name, len)) break;
+			}
+			if (!option->name) {
+				warnx(
+					"%s:%zu: unrecognized option `%.*s'",
+					path, num, (int)len, name
+				);
+				return clean('?');
+			}
+
+			char *equal = &name[len] + strspn(&name[len], WS);
+			if (*equal && *equal != '=') {
+				warnx(
+					"%s:%zu: option `%s' missing equals sign",
+					path, num, option->name
+				);
+				return clean('?');
+			}
+			if (option->has_arg == no_argument && *equal) {
+				warnx(
+					"%s:%zu: option `%s' doesn't allow an argument",
+					path, num, option->name
+				);
+				return clean('?');
+			}
+			if (option->has_arg == required_argument && !*equal) {
+				warnx(
+					"%s:%zu: option `%s' requires an argument",
+					path, num, option->name
+				);
+				return clean(':');
+			}
+
+			optarg = NULL;
+			if (*equal) {
+				char *arg = &equal[1] + strspn(&equal[1], WS);
+				optarg = strdup(arg);
+				if (!optarg) {
+					warn("getopt_config");
+					return clean('?');
+				}
+			}
+
+			if (longindex) *longindex = option - longopts;
+			if (option->flag) {
+				*option->flag = option->val;
+				return 0;
+			} else {
+				return option->val;
+			}
+		}
+
+		fclose(file);
+		file = NULL;
+	}
+}
-- 
cgit 1.4.1


From 8b3bf897c2b7a14ff6a4c096b9969eaeb695a9e0 Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Thu, 6 Feb 2020 02:21:04 -0500
Subject: Search for cert and priv in config dirs

---
 chat.c | 14 +++++++++++++-
 chat.h |  2 +-
 irc.c  | 37 ++++++++++++++++++++++++++++++++++---
 3 files changed, 48 insertions(+), 5 deletions(-)

(limited to 'chat.h')

diff --git a/chat.c b/chat.c
index 115fe38..c487722 100644
--- a/chat.c
+++ b/chat.c
@@ -111,7 +111,19 @@ int main(int argc, char *argv[]) {
 	set(&self.chanTypes, "#&");
 	set(&self.prefixes, "@+");
 
-	ircConfig(insecure, cert, priv);
+	FILE *certFile = NULL;
+	FILE *privFile = NULL;
+	if (cert) {
+		certFile = configOpen(cert, "r");
+		if (!certFile) err(EX_NOINPUT, "%s", cert);
+	}
+	if (priv) {
+		privFile = configOpen(priv, "r");
+		if (!privFile) err(EX_NOINPUT, "%s", priv);
+	}
+	ircConfig(insecure, certFile, privFile);
+	if (certFile) fclose(certFile);
+	if (privFile) fclose(privFile);
 
 	uiInit();
 	uiShowID(Network);
diff --git a/chat.h b/chat.h
index 57d4ba6..112530d 100644
--- a/chat.h
+++ b/chat.h
@@ -105,7 +105,7 @@ struct Message {
 	char *params[ParamCap];
 };
 
-void ircConfig(bool insecure, const char *cert, const char *priv);
+void ircConfig(bool insecure, FILE *cert, FILE *priv);
 int ircConnect(const char *host, const char *port);
 void ircRecv(void);
 void ircSend(const char *ptr, size_t len);
diff --git a/irc.c b/irc.c
index 2d6f00b..05f8f9d 100644
--- a/irc.c
+++ b/irc.c
@@ -23,6 +23,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <sys/socket.h>
+#include <sys/stat.h>
 #include <sysexits.h>
 #include <tls.h>
 #include <unistd.h>
@@ -31,7 +32,22 @@
 
 struct tls *client;
 
-void ircConfig(bool insecure, const char *cert, const char *priv) {
+static byte *readFile(size_t *len, FILE *file) {
+	struct stat stat;
+	int error = fstat(fileno(file), &stat);
+	if (error) err(EX_IOERR, "fstat");
+
+	byte *buf = malloc(stat.st_size);
+	if (!buf) err(EX_OSERR, "malloc");
+
+	rewind(file);
+	*len = fread(buf, 1, stat.st_size, file);
+	if (ferror(file)) err(EX_IOERR, "fread");
+
+	return buf;
+}
+
+void ircConfig(bool insecure, FILE *cert, FILE *priv) {
 	struct tls_config *config = tls_config_new();
 	if (!config) errx(EX_SOFTWARE, "tls_config_new");
 
@@ -49,13 +65,28 @@ void ircConfig(bool insecure, const char *cert, const char *priv) {
 	}
 
 	if (cert) {
-		error = tls_config_set_keypair_file(config, cert, (priv ? priv : cert));
+		size_t len;
+		byte *buf = readFile(&len, cert);
+		error = tls_config_set_cert_mem(config, buf, len);
+		if (error) {
+			errx(
+				EX_CONFIG, "tls_config_set_cert_mem: %s",
+				tls_config_error(config)
+			);
+		}
+		if (priv) {
+			free(buf);
+			buf = readFile(&len, priv);
+		}
+		error = tls_config_set_key_mem(config, buf, len);
 		if (error) {
 			errx(
-				EX_SOFTWARE, "tls_config_set_keypair_file: %s",
+				EX_CONFIG, "tls_config_set_key_mem: %s",
 				tls_config_error(config)
 			);
 		}
+		explicit_bzero(buf, len);
+		free(buf);
 	}
 
 	client = tls_client();
-- 
cgit 1.4.1


From e9394bfff9dff32b98890b89ecdc884ffb4cba79 Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Thu, 6 Feb 2020 04:19:56 -0500
Subject: Set id color to Default on allocation

---
 chat.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'chat.h')

diff --git a/chat.h b/chat.h
index 112530d..8279d1b 100644
--- a/chat.h
+++ b/chat.h
@@ -51,6 +51,7 @@ static inline size_t idFor(const char *name) {
 	if (id) return id;
 	idNames[idNext] = strdup(name);
 	if (!idNames[idNext]) err(EX_OSERR, "strdup");
+	idColors[idNext] = Default;
 	return idNext++;
 }
 
-- 
cgit 1.4.1


From af244ad3cd19fb50bf9b9855f02d81e61441ab50 Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Fri, 7 Feb 2020 01:55:26 -0500
Subject: Add some real line editing operations

---
 chat.h |  5 +++++
 edit.c | 28 ++++++++++++++++++++++++----
 ui.c   | 12 ++++++++++++
 3 files changed, 41 insertions(+), 4 deletions(-)

(limited to 'chat.h')

diff --git a/chat.h b/chat.h
index 8279d1b..a327620 100644
--- a/chat.h
+++ b/chat.h
@@ -133,7 +133,12 @@ void uiFormat(
 ) __attribute__((format(printf, 4, 5)));
 
 enum Edit {
+	EditHome,
+	EditEnd,
+	EditLeft,
+	EditRight,
 	EditKill,
+	EditErase,
 	EditInsert,
 	EditEnter,
 };
diff --git a/edit.c b/edit.c
index 68593d1..b6edb98 100644
--- a/edit.c
+++ b/edit.c
@@ -45,13 +45,33 @@ char *editTail(void) {
 	return mbs;
 }
 
+static void reserve(size_t index, size_t count) {
+	if (len + count > Cap) return;
+	memmove(&buf[index + count], &buf[index], sizeof(*buf) * (len - index));
+	len += count;
+}
+
+static void delete(size_t index, size_t count) {
+	if (index + count > len) return;
+	memmove(
+		&buf[index], &buf[index + count], sizeof(*buf) * (len - index - count)
+	);
+	len -= count;
+}
+
 void edit(size_t id, enum Edit op, wchar_t ch) {
 	switch (op) {
-		break; case EditKill: len = pos = 0;
+		break; case EditHome:  pos = 0;
+		break; case EditEnd:   pos = len;
+		break; case EditLeft:  if (pos) pos--;
+		break; case EditRight: if (pos < len) pos++;
+
+		break; case EditKill:  len = pos = 0;
+		break; case EditErase: if (pos) delete(--pos, 1);
+
 		break; case EditInsert: {
-			if (len == Cap) break;
-			buf[pos++] = ch;
-			len++;
+			reserve(pos, 1);
+			if (pos < Cap) buf[pos++] = ch;
 		}
 		break; case EditEnter: {
 			pos = 0;
diff --git a/ui.c b/ui.c
index ffe8748..f73020a 100644
--- a/ui.c
+++ b/ui.c
@@ -546,12 +546,20 @@ void uiShowNum(size_t num) {
 }
 
 static void keyCode(int code) {
+	size_t id = windows.active->id;
 	switch (code) {
 		break; case KEY_RESIZE:  resize();
 		break; case KeyFocusIn:  unmark();
 		break; case KeyFocusOut: windows.active->mark = true;
 		break; case KeyPasteOn:; // TODO
 		break; case KeyPasteOff:; // TODO
+
+		break; case KEY_BACKSPACE: edit(id, EditErase, 0);
+		break; case KEY_END: edit(id, EditEnd, 0);
+		break; case KEY_ENTER: edit(id, EditEnter, 0);
+		break; case KEY_HOME: edit(id, EditHome, 0);
+		break; case KEY_LEFT: edit(id, EditLeft, 0);
+		break; case KEY_RIGHT: edit(id, EditRight, 0);
 	}
 }
 
@@ -567,6 +575,10 @@ static void keyMeta(wchar_t ch) {
 static void keyCtrl(wchar_t ch) {
 	size_t id = windows.active->id;
 	switch (ch) {
+		break; case L'?': edit(id, EditErase, 0);
+		break; case L'A': edit(id, EditHome, 0);
+		break; case L'E': edit(id, EditEnd, 0);
+		break; case L'H': edit(id, EditErase, 0);
 		break; case L'J': edit(id, EditEnter, 0);
 		break; case L'L': clearok(curscr, true);
 		break; case L'U': edit(id, EditKill, 0);
-- 
cgit 1.4.1


From fe5fd897052abd1909d1536056936a0417666459 Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Fri, 7 Feb 2020 21:30:25 -0500
Subject: Populate completion with commands

---
 Makefile   |   1 +
 chat.c     |   1 +
 chat.h     |   8 +++++
 command.c  |   6 ++++
 complete.c | 110 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 edit.c     |   3 ++
 ui.c       |   1 +
 7 files changed, 130 insertions(+)
 create mode 100644 complete.c

(limited to 'chat.h')

diff --git a/Makefile b/Makefile
index 5380d20..48aba7b 100644
--- a/Makefile
+++ b/Makefile
@@ -5,6 +5,7 @@ LDLIBS = -lcrypto -ltls -lncursesw
 
 OBJS += chat.o
 OBJS += command.o
+OBJS += complete.o
 OBJS += config.o
 OBJS += edit.o
 OBJS += handle.o
diff --git a/chat.c b/chat.c
index c487722..91da6e3 100644
--- a/chat.c
+++ b/chat.c
@@ -110,6 +110,7 @@ int main(int argc, char *argv[]) {
 	set(&self.network, host);
 	set(&self.chanTypes, "#&");
 	set(&self.prefixes, "@+");
+	commandComplete();
 
 	FILE *certFile = NULL;
 	FILE *privFile = NULL;
diff --git a/chat.h b/chat.h
index a327620..f164e7a 100644
--- a/chat.h
+++ b/chat.h
@@ -118,6 +118,7 @@ void command(size_t id, char *input);
 const char *commandIsPrivmsg(size_t id, const char *input);
 const char *commandIsNotice(size_t id, const char *input);
 const char *commandIsAction(size_t id, const char *input);
+void commandComplete(void);
 
 enum Heat { Cold, Warm, Hot };
 void uiInit(void);
@@ -140,12 +141,19 @@ enum Edit {
 	EditKill,
 	EditErase,
 	EditInsert,
+	EditComplete,
 	EditEnter,
 };
 void edit(size_t id, enum Edit op, wchar_t ch);
 char *editHead(void);
 char *editTail(void);
 
+const char *complete(size_t id, const char *prefix);
+void completeAccept(void);
+void completeReject(void);
+void completeAdd(size_t id, const char *str, enum Color color);
+void completeTouch(size_t id, const char *str, enum Color color);
+
 FILE *configOpen(const char *path, const char *mode);
 int getopt_config(
 	int argc, char *const *argv,
diff --git a/command.c b/command.c
index 3215322..41aacc9 100644
--- a/command.c
+++ b/command.c
@@ -136,3 +136,9 @@ void command(size_t id, char *input) {
 		}
 	}
 }
+
+void commandComplete(void) {
+	for (size_t i = 0; i < ARRAY_LEN(Commands); ++i) {
+		completeAdd(None, Commands[i].cmd, Default);
+	}
+}
diff --git a/complete.c b/complete.c
new file mode 100644
index 0000000..b8f2dfc
--- /dev/null
+++ b/complete.c
@@ -0,0 +1,110 @@
+/* Copyright (C) 2020  C. McEnroe <june@causal.agency>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <err.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sysexits.h>
+
+#include "chat.h"
+
+struct Node {
+	size_t id;
+	char *str;
+	enum Color color;
+	struct Node *prev;
+	struct Node *next;
+};
+
+static struct Node *alloc(size_t id, const char *str, enum Color color) {
+	struct Node *node = malloc(sizeof(*node));
+	if (!node) err(EX_OSERR, "malloc");
+	node->id = id;
+	node->str = strdup(str);
+	if (!node->str) err(EX_OSERR, "strdup");
+	node->color = color;
+	node->prev = NULL;
+	node->next = NULL;
+	return node;
+}
+
+static struct Node *head;
+static struct Node *tail;
+
+static struct Node *detach(struct Node *node) {
+	if (node->prev) node->prev->next = node->next;
+	if (node->next) node->next->prev = node->prev;
+	if (head == node) head = node->next;
+	if (tail == node) tail = node->prev;
+	node->prev = NULL;
+	node->next = NULL;
+	return node;
+}
+
+static struct Node *prepend(struct Node *node) {
+	node->prev = NULL;
+	node->next = head;
+	if (head) head->prev = node;
+	head = node;
+	if (!tail) tail = node;
+	return node;
+}
+
+static struct Node *append(struct Node *node) {
+	node->next = NULL;
+	node->prev = tail;
+	if (tail) tail->next = node;
+	tail = node;
+	if (!head) head = node;
+	return node;
+}
+
+static struct Node *find(size_t id, const char *str) {
+	for (struct Node *node = head; node; node = node->next) {
+		if (node->id == id && !strcmp(node->str, str)) return node;
+	}
+	return NULL;
+}
+
+void completeAdd(size_t id, const char *str, enum Color color) {
+	if (!find(id, str)) append(alloc(id, str, color));
+}
+
+void completeTouch(size_t id, const char *str, enum Color color) {
+	struct Node *node = find(id, str);
+	prepend(node ? detach(node) : alloc(id, str, color));
+}
+
+static struct Node *match;
+
+const char *complete(size_t id, const char *prefix) {
+	for (match = (match ? match->next : head); match; match = match->next) {
+		if (match->id && match->id != id) continue;
+		if (strncasecmp(match->str, prefix, strlen(prefix))) continue;
+		return match->str;
+	}
+	return NULL;
+}
+
+void completeAccept(void) {
+	if (match) prepend(detach(match));
+	match = NULL;
+}
+
+void completeReject(void) {
+	match = NULL;
+}
diff --git a/edit.c b/edit.c
index b6edb98..0c50f33 100644
--- a/edit.c
+++ b/edit.c
@@ -73,6 +73,9 @@ void edit(size_t id, enum Edit op, wchar_t ch) {
 			reserve(pos, 1);
 			if (pos < Cap) buf[pos++] = ch;
 		}
+		break; case EditComplete: {
+			// TODO
+		}
 		break; case EditEnter: {
 			pos = 0;
 			command(id, editTail());
diff --git a/ui.c b/ui.c
index 147381e..5a8f155 100644
--- a/ui.c
+++ b/ui.c
@@ -596,6 +596,7 @@ static void keyCtrl(wchar_t ch) {
 		break; case L'A': edit(id, EditHome, 0);
 		break; case L'E': edit(id, EditEnd, 0);
 		break; case L'H': edit(id, EditErase, 0);
+		break; case L'I': edit(id, EditComplete, 0);
 		break; case L'J': edit(id, EditEnter, 0);
 		break; case L'L': clearok(curscr, true);
 		break; case L'U': edit(id, EditKill, 0);
-- 
cgit 1.4.1


From d314523b90f41cfdbca867ad0ad48f2f68f66c58 Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Fri, 7 Feb 2020 23:33:23 -0500
Subject: Update completion on join, part, privmsg

---
 chat.h     |  1 +
 complete.c | 13 +++++++++++++
 handle.c   |  8 +++++++-
 3 files changed, 21 insertions(+), 1 deletion(-)

(limited to 'chat.h')

diff --git a/chat.h b/chat.h
index f164e7a..aec5a68 100644
--- a/chat.h
+++ b/chat.h
@@ -153,6 +153,7 @@ void completeAccept(void);
 void completeReject(void);
 void completeAdd(size_t id, const char *str, enum Color color);
 void completeTouch(size_t id, const char *str, enum Color color);
+void completeRemove(size_t id, const char *str);
 
 FILE *configOpen(const char *path, const char *mode);
 int getopt_config(
diff --git a/complete.c b/complete.c
index 8247149..5067512 100644
--- a/complete.c
+++ b/complete.c
@@ -109,3 +109,16 @@ void completeAccept(void) {
 void completeReject(void) {
 	match = NULL;
 }
+
+void completeRemove(size_t id, const char *str) {
+	struct Node *next = NULL;
+	for (struct Node *node = head; node; node = next) {
+		next = node->next;
+		if (id && node->id != id) continue;
+		if (strcmp(node->str, str)) continue;
+		if (match == node) match = NULL;
+		detach(node);
+		free(node->str);
+		free(node);
+	}
+}
diff --git a/handle.c b/handle.c
index fb49206..4faabba 100644
--- a/handle.c
+++ b/handle.c
@@ -154,6 +154,7 @@ static void handleErrorSASLFail(struct Message *msg) {
 static void handleReplyWelcome(struct Message *msg) {
 	require(msg, false, 1);
 	set(&self.nick, msg->params[0]);
+	completeTouch(None, self.nick, Default);
 	if (self.join) ircFormat("JOIN %s\r\n", self.join);
 }
 
@@ -197,8 +198,10 @@ static void handleJoin(struct Message *msg) {
 			self.color = hash(msg->user);
 		}
 		idColors[id] = hash(msg->params[0]);
+		completeTouch(None, msg->params[0], idColors[id]);
 		uiShowID(id);
 	}
+	completeTouch(id, msg->nick, hash(msg->user));
 	uiFormat(
 		id, Cold, tagTime(msg),
 		"\3%02d%s\3\tarrives in \3%02d%s\3",
@@ -208,8 +211,10 @@ static void handleJoin(struct Message *msg) {
 
 static void handlePart(struct Message *msg) {
 	require(msg, true, 1);
+	size_t id = idFor(msg->params[0]);
+	completeRemove(id, msg->nick);
 	uiFormat(
-		idFor(msg->params[0]), Cold, tagTime(msg),
+		id, Cold, tagTime(msg),
 		"\3%02d%s\3\tleaves \3%02d%s\3%s%s",
 		hash(msg->user), msg->nick, hash(msg->params[0]), msg->params[0],
 		(msg->params[1] ? ": " : ""),
@@ -294,6 +299,7 @@ static void handlePrivmsg(struct Message *msg) {
 	bool notice = (msg->cmd[0] == 'N');
 	bool action = isAction(msg);
 	bool mention = !mine && isMention(msg);
+	if (!notice && !mine) completeTouch(id, msg->nick, hash(msg->user));
 	if (notice) {
 		uiFormat(
 			id, Warm, tagTime(msg),
-- 
cgit 1.4.1


From 8b7cc1a0ed95e8a3ff413fa77eb12a3dca7fccb4 Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Fri, 7 Feb 2020 23:44:03 -0500
Subject: Clear completion for ID on self-part

---
 chat.h     |  1 +
 complete.c | 12 ++++++++++++
 handle.c   |  3 +++
 3 files changed, 16 insertions(+)

(limited to 'chat.h')

diff --git a/chat.h b/chat.h
index aec5a68..6eeed60 100644
--- a/chat.h
+++ b/chat.h
@@ -154,6 +154,7 @@ void completeReject(void);
 void completeAdd(size_t id, const char *str, enum Color color);
 void completeTouch(size_t id, const char *str, enum Color color);
 void completeRemove(size_t id, const char *str);
+void completeClear(size_t id);
 
 FILE *configOpen(const char *path, const char *mode);
 int getopt_config(
diff --git a/complete.c b/complete.c
index 5067512..437bb7d 100644
--- a/complete.c
+++ b/complete.c
@@ -122,3 +122,15 @@ void completeRemove(size_t id, const char *str) {
 		free(node);
 	}
 }
+
+void completeClear(size_t id) {
+	struct Node *next = NULL;
+	for (struct Node *node = head; node; node = next) {
+		next = node->next;
+		if (node->id != id) continue;
+		if (match == node) match = NULL;
+		detach(node);
+		free(node->str);
+		free(node);
+	}
+}
diff --git a/handle.c b/handle.c
index 4faabba..b73d200 100644
--- a/handle.c
+++ b/handle.c
@@ -212,6 +212,9 @@ static void handleJoin(struct Message *msg) {
 static void handlePart(struct Message *msg) {
 	require(msg, true, 1);
 	size_t id = idFor(msg->params[0]);
+	if (self.nick && !strcmp(msg->nick, self.nick)) {
+		completeClear(id);
+	}
 	completeRemove(id, msg->nick);
 	uiFormat(
 		id, Cold, tagTime(msg),
-- 
cgit 1.4.1


From 58e1d5b4e2fabead1aae356dd060bfc9748bdd5e Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Sat, 8 Feb 2020 00:01:59 -0500
Subject: Handle NICK

---
 chat.h     |  2 ++
 complete.c | 21 +++++++++++++++++++++
 handle.c   | 17 +++++++++++++++++
 3 files changed, 40 insertions(+)

(limited to 'chat.h')

diff --git a/chat.h b/chat.h
index 6eeed60..413cee4 100644
--- a/chat.h
+++ b/chat.h
@@ -151,8 +151,10 @@ char *editTail(void);
 const char *complete(size_t id, const char *prefix);
 void completeAccept(void);
 void completeReject(void);
+size_t completeID(const char *str);
 void completeAdd(size_t id, const char *str, enum Color color);
 void completeTouch(size_t id, const char *str, enum Color color);
+void completeReplace(size_t id, const char *old, const char *new);
 void completeRemove(size_t id, const char *str);
 void completeClear(size_t id);
 
diff --git a/complete.c b/complete.c
index 437bb7d..c194536 100644
--- a/complete.c
+++ b/complete.c
@@ -110,6 +110,27 @@ void completeReject(void) {
 	match = NULL;
 }
 
+size_t completeID(const char *str) {
+	for (match = (match ? match->next : head); match; match = match->next) {
+		if (match->id && !strcmp(match->str, str)) return match->id;
+	}
+	return None;
+}
+
+void completeReplace(size_t id, const char *old, const char *new) {
+	struct Node *next = NULL;
+	for (struct Node *node = head; node; node = node->next) {
+		next = node->next;
+		if (id && node->id != id) continue;
+		if (strcmp(node->str, old)) continue;
+		if (match == node) match = NULL;
+		free(node->str);
+		node->str = strdup(new);
+		if (!node->str) err(EX_OSERR, "strdup");
+		prepend(detach(node));
+	}
+}
+
 void completeRemove(size_t id, const char *str) {
 	struct Node *next = NULL;
 	for (struct Node *node = head; node; node = next) {
diff --git a/handle.c b/handle.c
index b73d200..fe64f33 100644
--- a/handle.c
+++ b/handle.c
@@ -261,6 +261,22 @@ static void handleTopic(struct Message *msg) {
 	}
 }
 
+static void handleNick(struct Message *msg) {
+	require(msg, true, 1);
+	if (self.nick && !strcmp(msg->nick, self.nick)) {
+		set(&self.nick, msg->params[0]);
+	}
+	size_t id;
+	completeReplace(None, msg->nick, msg->params[0]);
+	while (None != (id = completeID(msg->params[0]))) {
+		uiFormat(
+			id, Cold, tagTime(msg),
+			"\3%02d%s\3\tis now known as \3%02d%s\3",
+			hash(msg->user), msg->nick, hash(msg->user), msg->params[0]
+		);
+	}
+}
+
 static bool isAction(struct Message *msg) {
 	if (strncmp(msg->params[1], "\1ACTION ", 8)) return false;
 	msg->params[1] += 8;
@@ -354,6 +370,7 @@ static const struct Handler {
 	{ "CAP", handleCap },
 	{ "ERROR", handleError },
 	{ "JOIN", handleJoin },
+	{ "NICK", handleNick },
 	{ "NOTICE", handlePrivmsg },
 	{ "PART", handlePart },
 	{ "PING", handlePing },
-- 
cgit 1.4.1


From b5707af4b842f521104c5fba07e5685612ff91f2 Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Sat, 8 Feb 2020 00:58:17 -0500
Subject: Handle KICK

See I knew the color cache in complete would be useful in at least one
place!
---
 chat.h     |  3 ++-
 complete.c |  5 +++++
 handle.c   | 20 ++++++++++++++++++++
 3 files changed, 27 insertions(+), 1 deletion(-)

(limited to 'chat.h')

diff --git a/chat.h b/chat.h
index 413cee4..bd36d27 100644
--- a/chat.h
+++ b/chat.h
@@ -151,12 +151,13 @@ char *editTail(void);
 const char *complete(size_t id, const char *prefix);
 void completeAccept(void);
 void completeReject(void);
-size_t completeID(const char *str);
 void completeAdd(size_t id, const char *str, enum Color color);
 void completeTouch(size_t id, const char *str, enum Color color);
 void completeReplace(size_t id, const char *old, const char *new);
 void completeRemove(size_t id, const char *str);
 void completeClear(size_t id);
+size_t completeID(const char *str);
+enum Color completeColor(size_t id, const char *str);
 
 FILE *configOpen(const char *path, const char *mode);
 int getopt_config(
diff --git a/complete.c b/complete.c
index c194536..2f5275f 100644
--- a/complete.c
+++ b/complete.c
@@ -90,6 +90,11 @@ void completeTouch(size_t id, const char *str, enum Color color) {
 	prepend(node ? detach(node) : alloc(id, str, color));
 }
 
+enum Color completeColor(size_t id, const char *str) {
+	struct Node *node = find(id, str);
+	return (node ? node->color : Default);
+}
+
 static struct Node *match;
 
 const char *complete(size_t id, const char *prefix) {
diff --git a/handle.c b/handle.c
index de9e73a..8ebc3b1 100644
--- a/handle.c
+++ b/handle.c
@@ -226,6 +226,25 @@ static void handlePart(struct Message *msg) {
 	);
 }
 
+static void handleKick(struct Message *msg) {
+	require(msg, true, 2);
+	size_t id = idFor(msg->params[0]);
+	bool kicked = self.nick && !strcmp(msg->params[1], self.nick);
+	completeTouch(id, msg->nick, hash(msg->user));
+	uiFormat(
+		id, (kicked ? Hot : Cold), tagTime(msg),
+		"%s\3%02d%s\17\tkicks \3%02d%s\3 out of \3%02d%s\3%s%s",
+		(kicked ? "\26" : ""),
+		hash(msg->user), msg->nick,
+		completeColor(id, msg->params[1]), msg->params[1],
+		hash(msg->params[0]), msg->params[0],
+		(msg->params[2] ? ": " : ""),
+		(msg->params[2] ? msg->params[2] : "")
+	);
+	completeRemove(id, msg->params[1]);
+	if (kicked) completeClear(id);
+}
+
 static void handleNick(struct Message *msg) {
 	require(msg, true, 1);
 	if (self.nick && !strcmp(msg->nick, self.nick)) {
@@ -413,6 +432,7 @@ static const struct Handler {
 	{ "CAP", handleCap },
 	{ "ERROR", handleError },
 	{ "JOIN", handleJoin },
+	{ "KICK", handleKick },
 	{ "NICK", handleNick },
 	{ "NOTICE", handlePrivmsg },
 	{ "PART", handlePart },
-- 
cgit 1.4.1


From fda510b8761f487c36988eb70a6d95bd0d583aed Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Sat, 8 Feb 2020 01:14:41 -0500
Subject: Handle ID overflow

idk just shove it all in <network>.
---
 chat.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'chat.h')

diff --git a/chat.h b/chat.h
index bd36d27..081370e 100644
--- a/chat.h
+++ b/chat.h
@@ -49,6 +49,7 @@ static inline size_t idFind(const char *name) {
 static inline size_t idFor(const char *name) {
 	size_t id = idFind(name);
 	if (id) return id;
+	if (idNext == IDCap) return Network;
 	idNames[idNext] = strdup(name);
 	if (!idNames[idNext]) err(EX_OSERR, "strdup");
 	idColors[idNext] = Default;
-- 
cgit 1.4.1


From 943502ea82b3965b4f652146ca03262ac6390f83 Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Sat, 8 Feb 2020 02:26:00 -0500
Subject: Add /close

---
 catgirl.1 |  2 ++
 chat.h    |  2 ++
 command.c | 12 ++++++++++++
 ui.c      | 28 ++++++++++++++++++++++++++++
 4 files changed, 44 insertions(+)

(limited to 'chat.h')

diff --git a/catgirl.1 b/catgirl.1
index 0702f58..9314e7a 100644
--- a/catgirl.1
+++ b/catgirl.1
@@ -146,6 +146,8 @@ Send a raw IRC command.
 .
 .Ss UI Commands
 .Bl -tag -width Ds
+.It Ic /close Op Ar name | num
+Close the named, numbered or current window.
 .It Ic /window Ar name
 Switch to window by name.
 .It Ic /window Ar num , Ic / Ns Ar num
diff --git a/chat.h b/chat.h
index 081370e..9daa38c 100644
--- a/chat.h
+++ b/chat.h
@@ -128,6 +128,8 @@ void uiHide(void);
 void uiDraw(void);
 void uiShowID(size_t id);
 void uiShowNum(size_t num);
+void uiCloseID(size_t id);
+void uiCloseNum(size_t id);
 void uiRead(void);
 void uiWrite(size_t id, enum Heat heat, const time_t *time, const char *str);
 void uiFormat(
diff --git a/command.c b/command.c
index 9047e95..e33c57e 100644
--- a/command.c
+++ b/command.c
@@ -100,10 +100,22 @@ static void commandWindow(size_t id, char *params) {
 	}
 }
 
+static void commandClose(size_t id, char *params) {
+	if (!params) {
+		uiCloseID(id);
+	} else if (isdigit(params[0])) {
+		uiCloseNum(strtoul(params, NULL, 10));
+	} else {
+		id = idFind(params);
+		if (id) uiCloseID(id);
+	}
+}
+
 static const struct Handler {
 	const char *cmd;
 	Command *fn;
 } Commands[] = {
+	{ "/close", commandClose },
 	{ "/join", commandJoin },
 	{ "/me", commandMe },
 	{ "/nick", commandNick },
diff --git a/ui.c b/ui.c
index 6d1338b..c738617 100644
--- a/ui.c
+++ b/ui.c
@@ -573,6 +573,34 @@ void uiShowNum(size_t num) {
 	windowShow(window);
 }
 
+static void windowClose(struct Window *window) {
+	if (window->id == Network) return;
+	if (windows.active == window) {
+		windowShow(window->prev ? window->prev : window->next);
+	}
+	if (windows.other == window) windows.other = NULL;
+	windowRemove(window);
+	for (size_t i = 0; i < BufferCap; ++i) {
+		free(window->buffer.lines[i]);
+	}
+	delwin(window->pad);
+	free(window);
+	statusUpdate();
+}
+
+void uiCloseID(size_t id) {
+	windowClose(windowFor(id));
+}
+
+void uiCloseNum(size_t num) {
+	struct Window *window = windows.head;
+	for (size_t i = 0; i < num; ++i) {
+		window = window->next;
+		if (!window) return;
+	}
+	windowClose(window);
+}
+
 static void keyCode(int code) {
 	size_t id = windows.active->id;
 	switch (code) {
-- 
cgit 1.4.1


From b6bf6d62b0bb6d203ce41e4b375c415ca8fde719 Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Sat, 8 Feb 2020 03:15:17 -0500
Subject: Only show expected topic/names replies

---
 chat.h    |  5 +++++
 command.c |  8 ++++++++
 handle.c  | 23 ++++++++++++++++++++++-
 3 files changed, 35 insertions(+), 1 deletion(-)

(limited to 'chat.h')

diff --git a/chat.h b/chat.h
index 9daa38c..34e1812 100644
--- a/chat.h
+++ b/chat.h
@@ -114,6 +114,11 @@ void ircSend(const char *ptr, size_t len);
 void ircFormat(const char *format, ...)
 	__attribute__((format(printf, 1, 2)));
 
+extern struct Replies {
+	size_t topic;
+	size_t names;
+} replies;
+
 void handle(struct Message msg);
 void command(size_t id, char *input);
 const char *commandIsPrivmsg(size_t id, const char *input);
diff --git a/command.c b/command.c
index 1d1c756..9879dbe 100644
--- a/command.c
+++ b/command.c
@@ -71,7 +71,15 @@ static void commandMe(size_t id, char *params) {
 }
 
 static void commandJoin(size_t id, char *params) {
+	size_t count = 1;
+	if (params) {
+		for (char *ch = params; *ch && *ch != ' '; ++ch) {
+			if (*ch == ',') count++;
+		}
+	}
 	ircFormat("JOIN %s\r\n", (params ? params : idNames[id]));
+	replies.topic += count;
+	replies.names += count;
 }
 
 static void commandPart(size_t id, char *params) {
diff --git a/handle.c b/handle.c
index 8ebc3b1..0780767 100644
--- a/handle.c
+++ b/handle.c
@@ -25,6 +25,8 @@
 
 #include "chat.h"
 
+struct Replies replies;
+
 static const char *CapNames[] = {
 #define X(name, id) [id##Bit] = name,
 	ENUM_CAP
@@ -156,7 +158,15 @@ static void handleReplyWelcome(struct Message *msg) {
 	require(msg, false, 1);
 	set(&self.nick, msg->params[0]);
 	completeTouch(None, self.nick, Default);
-	if (self.join) ircFormat("JOIN %s\r\n", self.join);
+	if (self.join) {
+		size_t count = 1;
+		for (const char *ch = self.join; *ch && *ch != ' '; ++ch) {
+			if (*ch == ',') count++;
+		}
+		ircFormat("JOIN %s\r\n", self.join);
+		replies.topic += count;
+		replies.names += count;
+	}
 }
 
 static void handleReplyISupport(struct Message *msg) {
@@ -278,6 +288,7 @@ static void handleQuit(struct Message *msg) {
 
 static void handleReplyNames(struct Message *msg) {
 	require(msg, false, 4);
+	if (!replies.names) return;
 	size_t id = idFor(msg->params[2]);
 	char buf[1024];
 	size_t len = 0;
@@ -302,8 +313,15 @@ static void handleReplyNames(struct Message *msg) {
 	);
 }
 
+static void handleReplyEndOfNames(struct Message *msg) {
+	(void)msg;
+	if (replies.names) replies.names--;
+}
+
 static void handleReplyNoTopic(struct Message *msg) {
 	require(msg, false, 2);
+	if (!replies.topic) return;
+	replies.topic--;
 	uiFormat(
 		idFor(msg->params[1]), Cold, tagTime(msg),
 		"There is no sign in \3%02d%s\3",
@@ -313,6 +331,8 @@ static void handleReplyNoTopic(struct Message *msg) {
 
 static void handleReplyTopic(struct Message *msg) {
 	require(msg, false, 3);
+	if (!replies.topic) return;
+	replies.topic--;
 	uiFormat(
 		idFor(msg->params[1]), Cold, tagTime(msg),
 		"The sign in \3%02d%s\3 reads: %s",
@@ -421,6 +441,7 @@ static const struct Handler {
 	{ "331", handleReplyNoTopic },
 	{ "332", handleReplyTopic },
 	{ "353", handleReplyNames },
+	{ "366", handleReplyEndOfNames },
 	{ "372", handleReplyMOTD },
 	{ "432", handleErrorErroneousNickname },
 	{ "433", handleErrorNicknameInUse },
-- 
cgit 1.4.1


From 156282c95d523b0c19f5409eb15cd53fc3211894 Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Sat, 8 Feb 2020 17:42:19 -0500
Subject: Add procPipe for subprocesses

---
 chat.c | 30 ++++++++++++++++++++++++++----
 chat.h |  2 ++
 2 files changed, 28 insertions(+), 4 deletions(-)

(limited to 'chat.h')

diff --git a/chat.c b/chat.c
index 372cbbd..ca35d7d 100644
--- a/chat.c
+++ b/chat.c
@@ -45,6 +45,21 @@ size_t idNext = Network + 1;
 
 struct Self self = { .color = Default };
 
+int procPipe[2] = { -1, -1 };
+
+static void pipeRead(void) {
+	char buf[1024];
+	ssize_t len = read(procPipe[0], buf, sizeof(buf) - 1);
+	if (len < 0) err(EX_IOERR, "read");
+	if (!len) return;
+	buf[len - 1] = '\0';
+	char *ptr = buf;
+	while (ptr) {
+		char *line = strsep(&ptr, "\n");
+		uiFormat(Network, Warm, NULL, "%s", line);
+	}
+}
+
 static volatile sig_atomic_t signals[NSIG];
 static void signalHandler(int signal) {
 	signals[signal] = 1;
@@ -146,15 +161,22 @@ int main(int argc, char *argv[]) {
 	signal(SIGCHLD, signalHandler);
 	sig_t cursesWinch = signal(SIGWINCH, signalHandler);
 
-	struct pollfd fds[2] = {
+	int error = pipe(procPipe);
+	if (error) err(EX_OSERR, "pipe");
+
+	struct pollfd fds[3] = {
 		{ .events = POLLIN, .fd = STDIN_FILENO },
 		{ .events = POLLIN, .fd = irc },
+		{ .events = POLLIN, .fd = procPipe[0] },
 	};
 	while (!self.quit) {
-		int nfds = poll(fds, 2, -1);
+		int nfds = poll(fds, ARRAY_LEN(fds), -1);
 		if (nfds < 0 && errno != EINTR) err(EX_IOERR, "poll");
-		if (nfds > 0 && fds[0].revents) uiRead();
-		if (nfds > 0 && fds[1].revents) ircRecv();
+		if (nfds > 0) {
+			if (fds[0].revents) uiRead();
+			if (fds[1].revents) ircRecv();
+			if (fds[2].revents) pipeRead();
+		}
 
 		if (signals[SIGHUP]) self.quit = "zzz";
 		if (signals[SIGINT] || signals[SIGTERM]) break;
diff --git a/chat.h b/chat.h
index 34e1812..909527e 100644
--- a/chat.h
+++ b/chat.h
@@ -28,6 +28,8 @@
 
 typedef unsigned char byte;
 
+int procPipe[2];
+
 enum Color {
 	White, Black, Blue, Green, Red, Brown, Magenta, Orange,
 	Yellow, LightGreen, Cyan, LightCyan, LightBlue, Pink, Gray, LightGray,
-- 
cgit 1.4.1


From f502260dd0aa73b09bfbb7289b50a67592866166 Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Sat, 8 Feb 2020 18:29:01 -0500
Subject: Scan messages for URLs

---
 Makefile  |  1 +
 catgirl.1 |  9 ++++++
 chat.h    |  4 +++
 command.c | 11 ++++++++
 handle.c  | 15 ++++++++--
 url.c     | 96 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 6 files changed, 133 insertions(+), 3 deletions(-)
 create mode 100644 url.c

(limited to 'chat.h')

diff --git a/Makefile b/Makefile
index 48aba7b..bcbb0d8 100644
--- a/Makefile
+++ b/Makefile
@@ -11,6 +11,7 @@ OBJS += edit.o
 OBJS += handle.o
 OBJS += irc.o
 OBJS += ui.o
+OBJS += url.o
 
 dev: tags all
 
diff --git a/catgirl.1 b/catgirl.1
index 5394d33..f489d07 100644
--- a/catgirl.1
+++ b/catgirl.1
@@ -156,6 +156,15 @@ Close the named, numbered or current window.
 Toggle logging in the
 .Sy <debug>
 window.
+.It Ic /open Op Ar count
+Open each of
+.Ar count
+most recent URLs.
+.It Ic /open Ar nick | substring
+Open the most recent URL from
+.Ar nick
+or matching
+.Ar substring .
 .It Ic /window Ar name
 Switch to window by name.
 .It Ic /window Ar num , Ic / Ns Ar num
diff --git a/chat.h b/chat.h
index 909527e..583107a 100644
--- a/chat.h
+++ b/chat.h
@@ -169,6 +169,10 @@ void completeClear(size_t id);
 size_t completeID(const char *str);
 enum Color completeColor(size_t id, const char *str);
 
+void urlScan(size_t id, const char *nick, const char *mesg);
+void urlOpenCount(size_t id, size_t count);
+void urlOpenMatch(size_t id, const char *str);
+
 FILE *configOpen(const char *path, const char *mode);
 int getopt_config(
 	int argc, char *const *argv,
diff --git a/command.c b/command.c
index eaabc9c..4100928 100644
--- a/command.c
+++ b/command.c
@@ -144,6 +144,16 @@ static void commandClose(size_t id, char *params) {
 	}
 }
 
+static void commandOpen(size_t id, char *params) {
+	if (!params) {
+		urlOpenCount(id, 1);
+	} else if (isdigit(params[0])) {
+		urlOpenCount(id, strtoul(params, NULL, 10));
+	} else {
+		urlOpenMatch(id, params);
+	}
+}
+
 static const struct Handler {
 	const char *cmd;
 	Command *fn;
@@ -155,6 +165,7 @@ static const struct Handler {
 	{ "/names", commandNames },
 	{ "/nick", commandNick },
 	{ "/notice", commandNotice },
+	{ "/open", commandOpen },
 	{ "/part", commandPart },
 	{ "/query", commandQuery },
 	{ "/quit", commandQuit },
diff --git a/handle.c b/handle.c
index 0780767..f919fcb 100644
--- a/handle.c
+++ b/handle.c
@@ -193,6 +193,7 @@ static void handleReplyISupport(struct Message *msg) {
 static void handleReplyMOTD(struct Message *msg) {
 	require(msg, false, 2);
 	char *line = msg->params[1];
+	urlScan(Network, msg->nick, line);
 	if (!strncmp(line, "- ", 2)) {
 		uiFormat(Network, Cold, tagTime(msg), "\3%d-\3\t%s", Gray, &line[2]);
 	} else {
@@ -227,6 +228,7 @@ static void handlePart(struct Message *msg) {
 		completeClear(id);
 	}
 	completeRemove(id, msg->nick);
+	urlScan(id, msg->nick, msg->params[1]);
 	uiFormat(
 		id, Cold, tagTime(msg),
 		"\3%02d%s\3\tleaves \3%02d%s\3%s%s",
@@ -241,6 +243,7 @@ static void handleKick(struct Message *msg) {
 	size_t id = idFor(msg->params[0]);
 	bool kicked = self.nick && !strcmp(msg->params[1], self.nick);
 	completeTouch(id, msg->nick, hash(msg->user));
+	urlScan(id, msg->nick, msg->params[2]);
 	uiFormat(
 		id, (kicked ? Hot : Cold), tagTime(msg),
 		"%s\3%02d%s\17\tkicks \3%02d%s\3 out of \3%02d%s\3%s%s",
@@ -275,6 +278,7 @@ static void handleQuit(struct Message *msg) {
 	require(msg, true, 0);
 	size_t id;
 	while (None != (id = completeID(msg->nick))) {
+		urlScan(id, msg->nick, msg->params[0]);
 		uiFormat(
 			id, Cold, tagTime(msg),
 			"\3%02d%s\3\tleaves%s%s",
@@ -333,8 +337,10 @@ static void handleReplyTopic(struct Message *msg) {
 	require(msg, false, 3);
 	if (!replies.topic) return;
 	replies.topic--;
+	size_t id = idFor(msg->params[1]);
+	urlScan(id, NULL, msg->params[2]);
 	uiFormat(
-		idFor(msg->params[1]), Cold, tagTime(msg),
+		id, Cold, tagTime(msg),
 		"The sign in \3%02d%s\3 reads: %s",
 		hash(msg->params[1]), msg->params[1], msg->params[2]
 	);
@@ -342,16 +348,18 @@ static void handleReplyTopic(struct Message *msg) {
 
 static void handleTopic(struct Message *msg) {
 	require(msg, true, 2);
+	size_t id = idFor(msg->params[0]);
 	if (msg->params[1][0]) {
+		urlScan(id, msg->nick, msg->params[1]);
 		uiFormat(
-			idFor(msg->params[0]), Warm, tagTime(msg),
+			id, Warm, tagTime(msg),
 			"\3%02d%s\3\tplaces a new sign in \3%02d%s\3: %s",
 			hash(msg->user), msg->nick, hash(msg->params[0]), msg->params[0],
 			msg->params[1]
 		);
 	} else {
 		uiFormat(
-			idFor(msg->params[0]), Warm, tagTime(msg),
+			id, Warm, tagTime(msg),
 			"\3%02d%s\3\tremoves the sign in \3%02d%s\3",
 			hash(msg->user), msg->nick, hash(msg->params[0]), msg->params[0]
 		);
@@ -400,6 +408,7 @@ static void handlePrivmsg(struct Message *msg) {
 	bool action = isAction(msg);
 	bool mention = !mine && isMention(msg);
 	if (!notice && !mine) completeTouch(id, msg->nick, hash(msg->user));
+	urlScan(id, msg->nick, msg->params[1]);
 	if (notice) {
 		uiFormat(
 			id, Warm, tagTime(msg),
diff --git a/url.c b/url.c
new file mode 100644
index 0000000..7790461
--- /dev/null
+++ b/url.c
@@ -0,0 +1,96 @@
+/* Copyright (C) 2020  C. McEnroe <june@causal.agency>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <err.h>
+#include <regex.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sysexits.h>
+
+#include "chat.h"
+
+static const char *Pattern = {
+	"("
+	"cvs|"
+	"ftp|"
+	"git|"
+	"gopher|"
+	"http|"
+	"https|"
+	"irc|"
+	"ircs|"
+	"magnet|"
+	"sftp|"
+	"ssh|"
+	"svn|"
+	"telnet|"
+	"vnc"
+	")"
+	":[^[:space:]>\"]+"
+};
+static regex_t Regex;
+
+static void compile(void) {
+	static bool compiled;
+	if (compiled) return;
+	compiled = true;
+	int error = regcomp(&Regex, Pattern, REG_EXTENDED);
+	if (!error) return;
+	char buf[256];
+	regerror(error, &Regex, buf, sizeof(buf));
+	errx(EX_SOFTWARE, "regcomp: %s: %s", buf, Pattern);
+}
+
+enum { Cap = 32 };
+static struct {
+	size_t ids[Cap];
+	char *nicks[Cap];
+	char *urls[Cap];
+	size_t len;
+} ring;
+
+static void push(size_t id, const char *nick, const char *url, size_t len) {
+	size_t i = ring.len++ % Cap;
+	free(ring.nicks[i]);
+	free(ring.urls[i]);
+	ring.ids[i] = id;
+	ring.nicks[i] = NULL;
+	if (nick) {
+		ring.nicks[i] = strdup(nick);
+		if (!ring.nicks[i]) err(EX_OSERR, "strdup");
+	}
+	ring.urls[i] = strndup(url, len);
+	if (!ring.urls[i]) err(EX_OSERR, "strndup");
+}
+
+void urlScan(size_t id, const char *nick, const char *mesg) {
+	if (!mesg) return;
+	compile();
+	regmatch_t match = {0};
+	for (const char *ptr = mesg; *ptr; ptr += match.rm_eo) {
+		if (regexec(&Regex, ptr, 1, &match, 0)) break;
+		push(id, nick, &ptr[match.rm_so], match.rm_eo - match.rm_so);
+	}
+}
+
+void urlOpenCount(size_t id, size_t count) {
+	// TODO
+}
+
+void urlOpenMatch(size_t id, const char *str) {
+	// TODO
+}
-- 
cgit 1.4.1


From 2db17e83a914586fd351437ac5323713f1e66478 Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Sat, 8 Feb 2020 21:21:21 -0500
Subject: Allow overriding the /open utility

---
 catgirl.1 |  8 ++++++++
 chat.c    |  4 +++-
 chat.h    |  1 +
 url.c     | 14 ++++++++++----
 4 files changed, 22 insertions(+), 5 deletions(-)

(limited to 'chat.h')

diff --git a/catgirl.1 b/catgirl.1
index f489d07..6129b71 100644
--- a/catgirl.1
+++ b/catgirl.1
@@ -9,6 +9,7 @@
 .Sh SYNOPSIS
 .Nm
 .Op Fl ev
+.Op Fl O Ar open
 .Op Fl a Ar auth
 .Op Fl c Ar cert
 .Op Fl h Ar host
@@ -46,6 +47,13 @@ following their corresponding flags.
 .Pp
 The arguments are as follows:
 .Bl -tag -width Ds
+.It Fl O Ar util , Cm open = Ar util
+Set the command used by
+.Ic /open .
+The default is the first available of
+.Xr open 1 ,
+.Xr xdg-open 1 .
+.
 .It Fl a Ar user Ns : Ns Ar pass , Cm sasl-plain = Ar user Ns : Ns Ar pass
 Authenticate as
 .Ar user
diff --git a/chat.c b/chat.c
index c0c2d28..77aa61d 100644
--- a/chat.c
+++ b/chat.c
@@ -81,9 +81,10 @@ int main(int argc, char *argv[]) {
 	const char *user = NULL;
 	const char *real = NULL;
 
-	const char *Opts = "!a:c:eh:j:k:n:p:r:u:vw:";
+	const char *Opts = "!O:a:c:eh:j:k:n:p:r:u:vw:";
 	const struct option LongOpts[] = {
 		{ "insecure", no_argument, NULL, '!' },
+		{ "open", required_argument, NULL, 'O' },
 		{ "sasl-plain", required_argument, NULL, 'a' },
 		{ "cert", required_argument, NULL, 'c' },
 		{ "sasl-external", no_argument, NULL, 'e' },
@@ -103,6 +104,7 @@ int main(int argc, char *argv[]) {
 	while (0 < (opt = getopt_config(argc, argv, Opts, LongOpts, NULL))) {
 		switch (opt) {
 			break; case '!': insecure = true;
+			break; case 'O': urlOpenUtil = optarg;
 			break; case 'a': sasl = true; self.plain = optarg;
 			break; case 'c': cert = optarg;
 			break; case 'e': sasl = true;
diff --git a/chat.h b/chat.h
index 583107a..3084359 100644
--- a/chat.h
+++ b/chat.h
@@ -169,6 +169,7 @@ void completeClear(size_t id);
 size_t completeID(const char *str);
 enum Color completeColor(size_t id, const char *str);
 
+extern const char *urlOpenUtil;
 void urlScan(size_t id, const char *nick, const char *mesg);
 void urlOpenCount(size_t id, size_t count);
 void urlOpenMatch(size_t id, const char *str);
diff --git a/url.c b/url.c
index 1396765..c9c4d5c 100644
--- a/url.c
+++ b/url.c
@@ -95,7 +95,8 @@ void urlScan(size_t id, const char *nick, const char *mesg) {
 	}
 }
 
-static const char *OpenBins[] = { "open", "xdg-open" };
+const char *urlOpenUtil;
+static const char *OpenUtils[] = { "open", "xdg-open" };
 
 static void urlOpen(const char *url) {
 	pid_t pid = fork();
@@ -105,10 +106,15 @@ static void urlOpen(const char *url) {
 	close(STDIN_FILENO);
 	dup2(procPipe[1], STDOUT_FILENO);
 	dup2(procPipe[1], STDERR_FILENO);
-	for (size_t i = 0; i < ARRAY_LEN(OpenBins); ++i) {
-		execlp(OpenBins[i], OpenBins[i], url, NULL);
+	if (urlOpenUtil) {
+		execlp(urlOpenUtil, urlOpenUtil, url, NULL);
+		warn("%s", urlOpenUtil);
+		_exit(EX_CONFIG);
+	}
+	for (size_t i = 0; i < ARRAY_LEN(OpenUtils); ++i) {
+		execlp(OpenUtils[i], OpenUtils[i], url, NULL);
 		if (errno != ENOENT) {
-			warn("%s", OpenBins[i]);
+			warn("%s", OpenUtils[i]);
 			_exit(EX_CONFIG);
 		}
 	}
-- 
cgit 1.4.1


From 3e6868414811be8902e6973c78ef2010b26a9e08 Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Sat, 8 Feb 2020 21:44:50 -0500
Subject: Add /copy

---
 catgirl.1 | 17 ++++++++++++++++-
 chat.c    |  4 +++-
 chat.h    |  2 ++
 command.c |  5 +++++
 url.c     | 57 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 5 files changed, 83 insertions(+), 2 deletions(-)

(limited to 'chat.h')

diff --git a/catgirl.1 b/catgirl.1
index 6129b71..4dabb4f 100644
--- a/catgirl.1
+++ b/catgirl.1
@@ -9,6 +9,7 @@
 .Sh SYNOPSIS
 .Nm
 .Op Fl ev
+.Op Fl C Ar copy
 .Op Fl O Ar open
 .Op Fl a Ar auth
 .Op Fl c Ar cert
@@ -47,8 +48,17 @@ following their corresponding flags.
 .Pp
 The arguments are as follows:
 .Bl -tag -width Ds
+.It Fl C Ar util , Cm copy = Ar util
+Set the utility used by
+.Ic /copy .
+The default is the first available of
+.Xr pbcopy 1 ,
+.Xr wl-copy 1 ,
+.Xr xclip 1 ,
+.Xr xsel 1 .
+.
 .It Fl O Ar util , Cm open = Ar util
-Set the command used by
+Set the utility used by
 .Ic /open .
 The default is the first available of
 .Xr open 1 ,
@@ -160,6 +170,11 @@ Show or set the topic of the channel.
 .Bl -tag -width Ds
 .It Ic /close Op Ar name | num
 Close the named, numbered or current window.
+.It Ic /copy Op Ar nick | substring
+Copy the most recent URL from
+.Ar nick
+or matching
+.Ar substring .
 .It Ic /debug
 Toggle logging in the
 .Sy <debug>
diff --git a/chat.c b/chat.c
index 77aa61d..dbad242 100644
--- a/chat.c
+++ b/chat.c
@@ -81,9 +81,10 @@ int main(int argc, char *argv[]) {
 	const char *user = NULL;
 	const char *real = NULL;
 
-	const char *Opts = "!O:a:c:eh:j:k:n:p:r:u:vw:";
+	const char *Opts = "!C:O:a:c:eh:j:k:n:p:r:u:vw:";
 	const struct option LongOpts[] = {
 		{ "insecure", no_argument, NULL, '!' },
+		{ "copy", required_argument, NULL, 'C' },
 		{ "open", required_argument, NULL, 'O' },
 		{ "sasl-plain", required_argument, NULL, 'a' },
 		{ "cert", required_argument, NULL, 'c' },
@@ -104,6 +105,7 @@ int main(int argc, char *argv[]) {
 	while (0 < (opt = getopt_config(argc, argv, Opts, LongOpts, NULL))) {
 		switch (opt) {
 			break; case '!': insecure = true;
+			break; case 'C': urlCopyUtil = optarg;
 			break; case 'O': urlOpenUtil = optarg;
 			break; case 'a': sasl = true; self.plain = optarg;
 			break; case 'c': cert = optarg;
diff --git a/chat.h b/chat.h
index 3084359..8bc8e81 100644
--- a/chat.h
+++ b/chat.h
@@ -170,9 +170,11 @@ size_t completeID(const char *str);
 enum Color completeColor(size_t id, const char *str);
 
 extern const char *urlOpenUtil;
+extern const char *urlCopyUtil;
 void urlScan(size_t id, const char *nick, const char *mesg);
 void urlOpenCount(size_t id, size_t count);
 void urlOpenMatch(size_t id, const char *str);
+void urlCopyMatch(size_t id, const char *str);
 
 FILE *configOpen(const char *path, const char *mode);
 int getopt_config(
diff --git a/command.c b/command.c
index 4100928..feb52b7 100644
--- a/command.c
+++ b/command.c
@@ -154,11 +154,16 @@ static void commandOpen(size_t id, char *params) {
 	}
 }
 
+static void commandCopy(size_t id, char *params) {
+	urlCopyMatch(id, params);
+}
+
 static const struct Handler {
 	const char *cmd;
 	Command *fn;
 } Commands[] = {
 	{ "/close", commandClose },
+	{ "/copy", commandCopy },
 	{ "/debug", commandDebug },
 	{ "/join", commandJoin },
 	{ "/me", commandMe },
diff --git a/url.c b/url.c
index c9c4d5c..7ab1e53 100644
--- a/url.c
+++ b/url.c
@@ -122,6 +122,47 @@ static void urlOpen(const char *url) {
 	_exit(EX_CONFIG);
 }
 
+const char *urlCopyUtil;
+static const char *CopyUtils[] = { "pbcopy", "wl-copy", "xclip", "xsel" };
+
+static void urlCopy(const char *url) {
+	int rw[2];
+	int error = pipe(rw);
+	if (error) err(EX_OSERR, "pipe");
+
+	ssize_t len = write(rw[1], url, strlen(url));
+	if (len < 0) err(EX_IOERR, "write");
+
+	error = close(rw[1]);
+	if (error) err(EX_IOERR, "close");
+
+	pid_t pid = fork();
+	if (pid < 0) err(EX_OSERR, "fork");
+	if (pid) {
+		close(rw[0]);
+		return;
+	}
+
+	dup2(rw[0], STDIN_FILENO);
+	dup2(procPipe[1], STDOUT_FILENO);
+	dup2(procPipe[1], STDERR_FILENO);
+	close(rw[0]);
+	if (urlCopyUtil) {
+		execlp(urlCopyUtil, urlCopyUtil, NULL);
+		warn("%s", urlCopyUtil);
+		_exit(EX_CONFIG);
+	}
+	for (size_t i = 0; i < ARRAY_LEN(CopyUtils); ++i) {
+		execlp(CopyUtils[i], CopyUtils[i], NULL);
+		if (errno != ENOENT) {
+			warn("%s", CopyUtils[i]);
+			_exit(EX_CONFIG);
+		}
+	}
+	warnx("no copy utility found");
+	_exit(EX_CONFIG);
+}
+
 void urlOpenCount(size_t id, size_t count) {
 	for (size_t i = 1; i <= Cap; ++i) {
 		const struct URL *url = &ring.urls[(ring.len - i) % Cap];
@@ -143,3 +184,19 @@ void urlOpenMatch(size_t id, const char *str) {
 		}
 	}
 }
+
+void urlCopyMatch(size_t id, const char *str) {
+	for (size_t i = 1; i <= Cap; ++i) {
+		const struct URL *url = &ring.urls[(ring.len - i) % Cap];
+		if (!url->url) break;
+		if (url->id != id) continue;
+		if (
+			!str
+			|| (url->nick && !strcmp(url->nick, str))
+			|| strstr(url->url, str)
+		) {
+			urlCopy(url->url);
+			break;
+		}
+	}
+}
-- 
cgit 1.4.1


From a212a7ae2c93092068c8a9c483c4575cc65e7491 Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Sun, 9 Feb 2020 00:53:55 -0500
Subject: Show realname on JOIN if it is different from nick

---
 catgirl.1 | 10 +++++++++-
 chat.h    |  1 +
 handle.c  | 11 +++++++++--
 3 files changed, 19 insertions(+), 3 deletions(-)

(limited to 'chat.h')

diff --git a/catgirl.1 b/catgirl.1
index 4dabb4f..fd00105 100644
--- a/catgirl.1
+++ b/catgirl.1
@@ -1,4 +1,4 @@
-.Dd February  8, 2020
+.Dd February  9, 2020
 .Dt CATGIRL 1
 .Os
 .
@@ -287,6 +287,14 @@ join = #ascii.town
 .Bl -item
 .It
 .Rs
+.%A Kiyoshi Aman
+.%T IRCv3.1 extended-join Extension
+.%I IRCv3 Working Group
+.%U https://ircv3.net/specs/extensions/extended-join-3.1
+.Re
+.
+.It
+.Rs
 .%A Waldo Bastian
 .%A Ryan Lortie
 .%A Lennart Poettering
diff --git a/chat.h b/chat.h
index 8bc8e81..896549e 100644
--- a/chat.h
+++ b/chat.h
@@ -59,6 +59,7 @@ static inline size_t idFor(const char *name) {
 }
 
 #define ENUM_CAP \
+	X("extended-join", CapExtendedJoin) \
 	X("sasl", CapSASL) \
 	X("server-time", CapServerTime) \
 	X("userhost-in-names", CapUserhostInNames)
diff --git a/handle.c b/handle.c
index cf0e853..0297595 100644
--- a/handle.c
+++ b/handle.c
@@ -214,10 +214,17 @@ static void handleJoin(struct Message *msg) {
 		uiShowID(id);
 	}
 	completeTouch(id, msg->nick, hash(msg->user));
+	if (msg->params[2] && !strcasecmp(msg->params[2], msg->nick)) {
+		msg->params[2] = NULL;
+	}
 	uiFormat(
 		id, Cold, tagTime(msg),
-		"\3%02d%s\3\tarrives in \3%02d%s\3",
-		hash(msg->user), msg->nick, hash(msg->params[0]), msg->params[0]
+		"\3%02d%s\3\t%s%s%sarrives in \3%02d%s\3",
+		hash(msg->user), msg->nick,
+		(msg->params[2] ? "(" : ""),
+		(msg->params[2] ? msg->params[2] : ""),
+		(msg->params[2] ? ") " : ""),
+		hash(msg->params[0]), msg->params[0]
 	);
 }
 
-- 
cgit 1.4.1


From 2d62ea9e30e7249e7f3e5bc3e60f5c8e97b3e2cc Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Sun, 9 Feb 2020 01:28:24 -0500
Subject: Simplify edit buffer conversion and input rendering

---
 chat.h |  3 +--
 edit.c | 25 +++++++++++-----------
 ui.c   | 76 ++++++++++++++++++++++++++++++++++++------------------------------
 3 files changed, 55 insertions(+), 49 deletions(-)

(limited to 'chat.h')

diff --git a/chat.h b/chat.h
index 896549e..914fde6 100644
--- a/chat.h
+++ b/chat.h
@@ -156,8 +156,7 @@ enum Edit {
 	EditEnter,
 };
 void edit(size_t id, enum Edit op, wchar_t ch);
-char *editHead(void);
-char *editTail(void);
+char *editBuffer(size_t *pos);
 
 const char *complete(size_t id, const char *prefix);
 void completeAccept(void);
diff --git a/edit.c b/edit.c
index 0c50f33..38dadcd 100644
--- a/edit.c
+++ b/edit.c
@@ -27,21 +27,22 @@ static wchar_t buf[Cap];
 static size_t len;
 static size_t pos;
 
-char *editHead(void) {
+char *editBuffer(size_t *mbsPos) {
 	static char mbs[MB_LEN_MAX * Cap];
+
 	const wchar_t *ptr = buf;
-	size_t n = wcsnrtombs(mbs, &ptr, pos, sizeof(mbs) - 1, NULL);
-	assert(n != (size_t)-1);
-	mbs[n] = '\0';
-	return mbs;
-}
+	size_t mbsLen = wcsnrtombs(mbs, &ptr, pos, sizeof(mbs) - 1, NULL);
+	assert(mbsLen != (size_t)-1);
+	if (mbsPos) *mbsPos = mbsLen;
 
-char *editTail(void) {
-	static char mbs[MB_LEN_MAX * Cap];
-	const wchar_t *ptr = &buf[pos];
-	size_t n = wcsnrtombs(mbs, &ptr, len - pos, sizeof(mbs) - 1, NULL);
+	ptr = &buf[pos];
+	size_t n = wcsnrtombs(
+		&mbs[mbsLen], &ptr, len - pos, sizeof(mbs) - mbsLen - 1, NULL
+	);
 	assert(n != (size_t)-1);
-	mbs[n] = '\0';
+	mbsLen += n;
+
+	mbs[mbsLen] = '\0';
 	return mbs;
 }
 
@@ -78,7 +79,7 @@ void edit(size_t id, enum Edit op, wchar_t ch) {
 		}
 		break; case EditEnter: {
 			pos = 0;
-			command(id, editTail());
+			command(id, editBuffer(NULL));
 			len = 0;
 		}
 	}
diff --git a/ui.c b/ui.c
index 23bf929..c342339 100644
--- a/ui.c
+++ b/ui.c
@@ -507,48 +507,54 @@ static void inputAdd(struct Style *style, const char *str) {
 
 static void inputUpdate(void) {
 	size_t id = windows.active->id;
-	const char *nick = self.nick;
-	const char *head = editHead();
+	size_t pos;
+	char *buf = editBuffer(&pos);
+
 	const char *skip = NULL;
-	const char *pre = "";
-	const char *suf = " ";
-	struct Style style = { .fg = self.color, .bg = Default };
-	struct Style reset = Reset;
-	if (NULL != (skip = commandIsPrivmsg(id, head))) {
-		pre = "<";
-		suf = "> ";
-	} else if (NULL != (skip = commandIsNotice(id, head))) {
-		pre = "-";
-		suf = "- ";
-		reset.fg = LightGray;
-	} else if (NULL != (skip = commandIsAction(id, head))) {
-		style.attr |= A_ITALIC;
-		pre = "* ";
-		reset.attr |= A_ITALIC;
+	struct Style init = { .fg = self.color, .bg = Default };
+	struct Style rest = Reset;
+	const char *prefix = "";
+	const char *prompt = (self.nick ? self.nick : "");
+	const char *suffix = "";
+	if (NULL != (skip = commandIsPrivmsg(id, buf))) {
+		prefix = "<"; suffix = "> ";
+	} else if (NULL != (skip = commandIsNotice(id, buf))) {
+		prefix = "-"; suffix = "- ";
+		rest.fg = LightGray;
+	} else if (NULL != (skip = commandIsAction(id, buf))) {
+		init.attr |= A_ITALIC;
+		prefix = "* "; suffix = " ";
+		rest.attr |= A_ITALIC;
 	} else if (id == Debug) {
-		skip = head;
-		style.fg = Gray;
-		pre = "<<";
-		nick = NULL;
+		skip = buf;
+		init.fg = Gray;
+		prompt = "<< ";
+	} else {
+		prompt = "";
+	}
+	if (skip && skip > &buf[pos]) {
+		skip = NULL;
+		prefix = prompt = suffix = "";
 	}
 
 	int y, x;
 	wmove(input, 0, 0);
-	if (skip) {
-		wattr_set(
-			input,
-			style.attr | colorAttr(mapColor(style.fg)),
-			colorPair(mapColor(style.fg), mapColor(style.bg)),
-			NULL
-		);
-		waddstr(input, pre);
-		if (nick) waddstr(input, nick);
-		waddstr(input, suf);
-	}
-	style = reset;
-	inputAdd(&style, (skip ? skip : head));
+	wattr_set(
+		input,
+		init.attr | colorAttr(mapColor(init.fg)),
+		colorPair(mapColor(init.fg), mapColor(init.bg)),
+		NULL
+	);
+	waddstr(input, prefix);
+	waddstr(input, prompt);
+	waddstr(input, suffix);
+	struct Style style = rest;
+	char p = buf[pos];
+	buf[pos] = '\0';
+	inputAdd(&style, (skip ? skip : buf));
 	getyx(input, y, x);
-	inputAdd(&style, editTail());
+	buf[pos] = p;
+	inputAdd(&style, &buf[pos]);
 	wclrtoeol(input);
 	wmove(input, y, x);
 }
-- 
cgit 1.4.1


From 282de9af30793f9935fe521ad95ffc253bd4f474 Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Sun, 9 Feb 2020 03:45:44 -0500
Subject: Add C-d

---
 chat.h | 1 +
 edit.c | 5 +++--
 ui.c   | 2 ++
 3 files changed, 6 insertions(+), 2 deletions(-)

(limited to 'chat.h')

diff --git a/chat.h b/chat.h
index 914fde6..d6d9e1c 100644
--- a/chat.h
+++ b/chat.h
@@ -151,6 +151,7 @@ enum Edit {
 	EditRight,
 	EditKill,
 	EditErase,
+	EditDelete,
 	EditInsert,
 	EditComplete,
 	EditEnter,
diff --git a/edit.c b/edit.c
index f058f0a..c30e725 100644
--- a/edit.c
+++ b/edit.c
@@ -138,8 +138,9 @@ void edit(size_t id, enum Edit op, wchar_t ch) {
 		break; case EditLeft:  if (pos) pos--;
 		break; case EditRight: if (pos < len) pos++;
 
-		break; case EditKill:  len = pos = 0;
-		break; case EditErase: if (pos) delete(--pos, 1);
+		break; case EditKill:   len = pos = 0;
+		break; case EditErase:  if (pos) delete(--pos, 1);
+		break; case EditDelete: delete(pos, 1);
 
 		break; case EditInsert: {
 			reserve(pos, 1);
diff --git a/ui.c b/ui.c
index 4478478..8e502ca 100644
--- a/ui.c
+++ b/ui.c
@@ -625,6 +625,7 @@ static void keyCode(int code) {
 		break; case KeyMetaM: waddch(windows.active->pad, '\n');
 
 		break; case KEY_BACKSPACE: edit(id, EditErase, 0);
+		break; case KEY_DC: edit(id, EditDelete, 0);
 		break; case KEY_END: edit(id, EditEnd, 0);
 		break; case KEY_ENTER: edit(id, EditEnter, 0);
 		break; case KEY_HOME: edit(id, EditHome, 0);
@@ -645,6 +646,7 @@ static void keyCtrl(wchar_t ch) {
 		break; case L'?': edit(id, EditErase, 0);
 		break; case L'A': edit(id, EditHome, 0);
 		break; case L'B': edit(id, EditLeft, 0);
+		break; case L'D': edit(id, EditDelete, 0);
 		break; case L'E': edit(id, EditEnd, 0);
 		break; case L'F': edit(id, EditRight, 0);
 		break; case L'H': edit(id, EditErase, 0);
-- 
cgit 1.4.1


From d7c96fc81b71b77b30511d6526fe3acaa84c39ee Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Sun, 9 Feb 2020 03:56:18 -0500
Subject: Add C-k

Also rename all the edit ops to something consistent.
---
 catgirl.1 |  6 +++++-
 chat.h    | 15 ++++++++-------
 edit.c    | 17 +++++++++--------
 ui.c      | 29 +++++++++++++++--------------
 4 files changed, 37 insertions(+), 30 deletions(-)

(limited to 'chat.h')

diff --git a/catgirl.1 b/catgirl.1
index f68e6c3..a356fe0 100644
--- a/catgirl.1
+++ b/catgirl.1
@@ -201,12 +201,16 @@ Switch to window by number.
 Move to beginning of line.
 .It Ic C-b
 Move left.
+.It Ic C-d
+Delete next character.
 .It Ic C-e
 Move to end of line.
 .It Ic C-f
 Move right.
+.It Ic C-k
+Delete to end of line.
 .It Ic C-u
-Delete line.
+Delete to beginning of line.
 .El
 .
 .Ss Window Keys
diff --git a/chat.h b/chat.h
index d6d9e1c..aa1bcc1 100644
--- a/chat.h
+++ b/chat.h
@@ -145,13 +145,14 @@ void uiFormat(
 ) __attribute__((format(printf, 4, 5)));
 
 enum Edit {
-	EditHome,
-	EditEnd,
-	EditLeft,
-	EditRight,
-	EditKill,
-	EditErase,
-	EditDelete,
+	EditHead,
+	EditTail,
+	EditPrev,
+	EditNext,
+	EditKillPrev,
+	EditKillNext,
+	EditDeletePrev,
+	EditDeleteNext,
 	EditInsert,
 	EditComplete,
 	EditEnter,
diff --git a/edit.c b/edit.c
index c30e725..7fcff40 100644
--- a/edit.c
+++ b/edit.c
@@ -133,14 +133,15 @@ static void tabReject(void) {
 void edit(size_t id, enum Edit op, wchar_t ch) {
 	size_t init = pos;
 	switch (op) {
-		break; case EditHome:  pos = 0;
-		break; case EditEnd:   pos = len;
-		break; case EditLeft:  if (pos) pos--;
-		break; case EditRight: if (pos < len) pos++;
-
-		break; case EditKill:   len = pos = 0;
-		break; case EditErase:  if (pos) delete(--pos, 1);
-		break; case EditDelete: delete(pos, 1);
+		break; case EditHead: pos = 0;
+		break; case EditTail: pos = len;
+		break; case EditPrev: if (pos) pos--;
+		break; case EditNext: if (pos < len) pos++;
+
+		break; case EditDeletePrev: if (pos) delete(--pos, 1);
+		break; case EditDeleteNext: delete(pos, 1);
+		break; case EditKillPrev: delete(0, pos); pos = 0;
+		break; case EditKillNext: delete(pos, len - pos);
 
 		break; case EditInsert: {
 			reserve(pos, 1);
diff --git a/ui.c b/ui.c
index 8e502ca..d83a1f3 100644
--- a/ui.c
+++ b/ui.c
@@ -624,13 +624,13 @@ static void keyCode(int code) {
 
 		break; case KeyMetaM: waddch(windows.active->pad, '\n');
 
-		break; case KEY_BACKSPACE: edit(id, EditErase, 0);
-		break; case KEY_DC: edit(id, EditDelete, 0);
-		break; case KEY_END: edit(id, EditEnd, 0);
+		break; case KEY_BACKSPACE: edit(id, EditDeletePrev, 0);
+		break; case KEY_DC: edit(id, EditDeleteNext, 0);
+		break; case KEY_END: edit(id, EditTail, 0);
 		break; case KEY_ENTER: edit(id, EditEnter, 0);
-		break; case KEY_HOME: edit(id, EditHome, 0);
-		break; case KEY_LEFT: edit(id, EditLeft, 0);
-		break; case KEY_RIGHT: edit(id, EditRight, 0);
+		break; case KEY_HOME: edit(id, EditHead, 0);
+		break; case KEY_LEFT: edit(id, EditPrev, 0);
+		break; case KEY_RIGHT: edit(id, EditNext, 0);
 		
 		break; default: {
 			if (code >= KeyMeta0 && code <= KeyMeta9) {
@@ -643,17 +643,18 @@ static void keyCode(int code) {
 static void keyCtrl(wchar_t ch) {
 	size_t id = windows.active->id;
 	switch (ch ^ L'@') {
-		break; case L'?': edit(id, EditErase, 0);
-		break; case L'A': edit(id, EditHome, 0);
-		break; case L'B': edit(id, EditLeft, 0);
-		break; case L'D': edit(id, EditDelete, 0);
-		break; case L'E': edit(id, EditEnd, 0);
-		break; case L'F': edit(id, EditRight, 0);
-		break; case L'H': edit(id, EditErase, 0);
+		break; case L'?': edit(id, EditDeletePrev, 0);
+		break; case L'A': edit(id, EditHead, 0);
+		break; case L'B': edit(id, EditPrev, 0);
+		break; case L'D': edit(id, EditDeleteNext, 0);
+		break; case L'E': edit(id, EditTail, 0);
+		break; case L'F': edit(id, EditNext, 0);
+		break; case L'H': edit(id, EditDeletePrev, 0);
 		break; case L'I': edit(id, EditComplete, 0);
 		break; case L'J': edit(id, EditEnter, 0);
+		break; case L'K': edit(id, EditKillNext, 0);
 		break; case L'L': clearok(curscr, true);
-		break; case L'U': edit(id, EditKill, 0);
+		break; case L'U': edit(id, EditKillPrev, 0);
 	}
 }
 
-- 
cgit 1.4.1


From b08c2d03efa08bd319a0665d12bef34df08ab283 Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Sun, 9 Feb 2020 04:20:07 -0500
Subject: Add M-b and M-f

---
 catgirl.1 | 4 ++++
 chat.h    | 2 ++
 edit.c    | 8 ++++++++
 ui.c      | 4 ++++
 4 files changed, 18 insertions(+)

(limited to 'chat.h')

diff --git a/catgirl.1 b/catgirl.1
index a356fe0..9cb208e 100644
--- a/catgirl.1
+++ b/catgirl.1
@@ -211,6 +211,10 @@ Move right.
 Delete to end of line.
 .It Ic C-u
 Delete to beginning of line.
+.It Ic M-b
+Move to previous word.
+.It Ic M-f
+Move to next word.
 .El
 .
 .Ss Window Keys
diff --git a/chat.h b/chat.h
index aa1bcc1..6b68eae 100644
--- a/chat.h
+++ b/chat.h
@@ -149,6 +149,8 @@ enum Edit {
 	EditTail,
 	EditPrev,
 	EditNext,
+	EditPrevWord,
+	EditNextWord,
 	EditKillPrev,
 	EditKillNext,
 	EditDeletePrev,
diff --git a/edit.c b/edit.c
index 7fcff40..38b2dea 100644
--- a/edit.c
+++ b/edit.c
@@ -137,6 +137,14 @@ void edit(size_t id, enum Edit op, wchar_t ch) {
 		break; case EditTail: pos = len;
 		break; case EditPrev: if (pos) pos--;
 		break; case EditNext: if (pos < len) pos++;
+		break; case EditPrevWord: {
+			if (pos) pos--;
+			while (pos && buf[pos - 1] != L' ') pos--;
+		}
+		break; case EditNextWord: {
+			if (pos < len) pos++;
+			while (pos < len && buf[pos] != L' ') pos++;
+		}
 
 		break; case EditDeletePrev: if (pos) delete(--pos, 1);
 		break; case EditDeleteNext: delete(pos, 1);
diff --git a/ui.c b/ui.c
index d83a1f3..7811e88 100644
--- a/ui.c
+++ b/ui.c
@@ -192,6 +192,8 @@ static void errExit(void) {
 	X(KeyMeta7, "\0337") \
 	X(KeyMeta8, "\0338") \
 	X(KeyMeta9, "\0339") \
+	X(KeyMetaB, "\033b") \
+	X(KeyMetaF, "\033f") \
 	X(KeyMetaM, "\33m") \
 	X(KeyFocusIn, "\33[I") \
 	X(KeyFocusOut, "\33[O") \
@@ -622,6 +624,8 @@ static void keyCode(int code) {
 		break; case KeyPasteOn:; // TODO
 		break; case KeyPasteOff:; // TODO
 
+		break; case KeyMetaB: edit(id, EditPrevWord, 0);
+		break; case KeyMetaF: edit(id, EditNextWord, 0);
 		break; case KeyMetaM: waddch(windows.active->pad, '\n');
 
 		break; case KEY_BACKSPACE: edit(id, EditDeletePrev, 0);
-- 
cgit 1.4.1


From 3cd830681e25022a8a3936ca9fe58d149fbe493a Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Sun, 9 Feb 2020 04:22:41 -0500
Subject: Rename kill ops

---
 chat.h | 4 ++--
 edit.c | 4 ++--
 ui.c   | 4 ++--
 3 files changed, 6 insertions(+), 6 deletions(-)

(limited to 'chat.h')

diff --git a/chat.h b/chat.h
index 6b68eae..ac56f51 100644
--- a/chat.h
+++ b/chat.h
@@ -151,8 +151,8 @@ enum Edit {
 	EditNext,
 	EditPrevWord,
 	EditNextWord,
-	EditKillPrev,
-	EditKillNext,
+	EditDeleteHead,
+	EditDeleteTail,
 	EditDeletePrev,
 	EditDeleteNext,
 	EditInsert,
diff --git a/edit.c b/edit.c
index 38b2dea..7b20079 100644
--- a/edit.c
+++ b/edit.c
@@ -148,8 +148,8 @@ void edit(size_t id, enum Edit op, wchar_t ch) {
 
 		break; case EditDeletePrev: if (pos) delete(--pos, 1);
 		break; case EditDeleteNext: delete(pos, 1);
-		break; case EditKillPrev: delete(0, pos); pos = 0;
-		break; case EditKillNext: delete(pos, len - pos);
+		break; case EditDeleteHead: delete(0, pos); pos = 0;
+		break; case EditDeleteTail: delete(pos, len - pos);
 
 		break; case EditInsert: {
 			reserve(pos, 1);
diff --git a/ui.c b/ui.c
index 7811e88..e3b9cb5 100644
--- a/ui.c
+++ b/ui.c
@@ -656,9 +656,9 @@ static void keyCtrl(wchar_t ch) {
 		break; case L'H': edit(id, EditDeletePrev, 0);
 		break; case L'I': edit(id, EditComplete, 0);
 		break; case L'J': edit(id, EditEnter, 0);
-		break; case L'K': edit(id, EditKillNext, 0);
+		break; case L'K': edit(id, EditDeleteTail, 0);
 		break; case L'L': clearok(curscr, true);
-		break; case L'U': edit(id, EditKillPrev, 0);
+		break; case L'U': edit(id, EditDeleteHead, 0);
 	}
 }
 
-- 
cgit 1.4.1


From 5e637324c9f2b16a602c1b66081390624598c703 Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Sun, 9 Feb 2020 04:32:32 -0500
Subject: Add C-w and M-d

---
 catgirl.1 |  4 ++++
 chat.h    |  2 ++
 edit.c    | 17 +++++++++++++++--
 ui.c      |  7 +++++--
 4 files changed, 26 insertions(+), 4 deletions(-)

(limited to 'chat.h')

diff --git a/catgirl.1 b/catgirl.1
index 9cb208e..6f8256b 100644
--- a/catgirl.1
+++ b/catgirl.1
@@ -211,8 +211,12 @@ Move right.
 Delete to end of line.
 .It Ic C-u
 Delete to beginning of line.
+.It Ic C-w
+Delete previous word.
 .It Ic M-b
 Move to previous word.
+.It Ic M-d
+Delete next word.
 .It Ic M-f
 Move to next word.
 .El
diff --git a/chat.h b/chat.h
index ac56f51..fc18b15 100644
--- a/chat.h
+++ b/chat.h
@@ -155,6 +155,8 @@ enum Edit {
 	EditDeleteTail,
 	EditDeletePrev,
 	EditDeleteNext,
+	EditDeletePrevWord,
+	EditDeleteNextWord,
 	EditInsert,
 	EditComplete,
 	EditEnter,
diff --git a/edit.c b/edit.c
index 7b20079..47478ec 100644
--- a/edit.c
+++ b/edit.c
@@ -146,10 +146,23 @@ void edit(size_t id, enum Edit op, wchar_t ch) {
 			while (pos < len && buf[pos] != L' ') pos++;
 		}
 
-		break; case EditDeletePrev: if (pos) delete(--pos, 1);
-		break; case EditDeleteNext: delete(pos, 1);
 		break; case EditDeleteHead: delete(0, pos); pos = 0;
 		break; case EditDeleteTail: delete(pos, len - pos);
+		break; case EditDeletePrev: if (pos) delete(--pos, 1);
+		break; case EditDeleteNext: delete(pos, 1);
+		break; case EditDeletePrevWord: {
+			if (!pos) break;
+			size_t word = pos - 1;
+			while (word && buf[word - 1] != L' ') word--;
+			delete(word, pos - word);
+			pos = word;
+		}
+		break; case EditDeleteNextWord: {
+			if (pos == len) break;
+			size_t word = pos + 1;
+			while (word < len && buf[word] != L' ') word++;
+			delete(pos, word - pos);
+		}
 
 		break; case EditInsert: {
 			reserve(pos, 1);
diff --git a/ui.c b/ui.c
index e3b9cb5..65b4760 100644
--- a/ui.c
+++ b/ui.c
@@ -192,8 +192,9 @@ static void errExit(void) {
 	X(KeyMeta7, "\0337") \
 	X(KeyMeta8, "\0338") \
 	X(KeyMeta9, "\0339") \
-	X(KeyMetaB, "\033b") \
-	X(KeyMetaF, "\033f") \
+	X(KeyMetaB, "\33b") \
+	X(KeyMetaD, "\33d") \
+	X(KeyMetaF, "\33f") \
 	X(KeyMetaM, "\33m") \
 	X(KeyFocusIn, "\33[I") \
 	X(KeyFocusOut, "\33[O") \
@@ -625,6 +626,7 @@ static void keyCode(int code) {
 		break; case KeyPasteOff:; // TODO
 
 		break; case KeyMetaB: edit(id, EditPrevWord, 0);
+		break; case KeyMetaD: edit(id, EditDeleteNextWord, 0);
 		break; case KeyMetaF: edit(id, EditNextWord, 0);
 		break; case KeyMetaM: waddch(windows.active->pad, '\n');
 
@@ -659,6 +661,7 @@ static void keyCtrl(wchar_t ch) {
 		break; case L'K': edit(id, EditDeleteTail, 0);
 		break; case L'L': clearok(curscr, true);
 		break; case L'U': edit(id, EditDeleteHead, 0);
+		break; case L'W': edit(id, EditDeletePrevWord, 0);
 	}
 }
 
-- 
cgit 1.4.1


From 2aa2005339750e64a587f6117ae21960e975e211 Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Sun, 9 Feb 2020 07:09:51 -0500
Subject: Add C-y

This is weechat's binding for it.
---
 catgirl.1 |  2 ++
 chat.h    |  1 +
 edit.c    | 26 ++++++++++++++++++++++----
 ui.c      |  7 +++++--
 4 files changed, 30 insertions(+), 6 deletions(-)

(limited to 'chat.h')

diff --git a/catgirl.1 b/catgirl.1
index 752a9d2..2a3828d 100644
--- a/catgirl.1
+++ b/catgirl.1
@@ -226,6 +226,8 @@ Delete to end of line.
 Delete to beginning of line.
 .It Ic C-w
 Delete previous word.
+.It Ic C-y
+Paste previously deleted text.
 .It Ic M-b
 Move to previous word.
 .It Ic M-d
diff --git a/chat.h b/chat.h
index fc18b15..24360f0 100644
--- a/chat.h
+++ b/chat.h
@@ -157,6 +157,7 @@ enum Edit {
 	EditDeleteNext,
 	EditDeletePrevWord,
 	EditDeleteNextWord,
+	EditPaste,
 	EditInsert,
 	EditComplete,
 	EditEnter,
diff --git a/edit.c b/edit.c
index 47478ec..16fa910 100644
--- a/edit.c
+++ b/edit.c
@@ -16,6 +16,7 @@
 
 #include <assert.h>
 #include <limits.h>
+#include <stdbool.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <wchar.h>
@@ -46,14 +47,24 @@ char *editBuffer(size_t *mbsPos) {
 	return mbs;
 }
 
-static void reserve(size_t index, size_t count) {
-	if (len + count > Cap) return;
+static struct {
+	wchar_t buf[Cap];
+	size_t len;
+} cut;
+
+static bool reserve(size_t index, size_t count) {
+	if (len + count > Cap) return false;
 	memmove(&buf[index + count], &buf[index], sizeof(*buf) * (len - index));
 	len += count;
+	return true;
 }
 
 static void delete(size_t index, size_t count) {
 	if (index + count > len) return;
+	if (count > 1) {
+		memcpy(cut.buf, &buf[index], sizeof(*buf) * count);
+		cut.len = count;
+	}
 	memmove(
 		&buf[index], &buf[index + count], sizeof(*buf) * (len - index - count)
 	);
@@ -163,10 +174,17 @@ void edit(size_t id, enum Edit op, wchar_t ch) {
 			while (word < len && buf[word] != L' ') word++;
 			delete(pos, word - pos);
 		}
+		break; case EditPaste: {
+			if (reserve(pos, cut.len)) {
+				memcpy(&buf[pos], cut.buf, sizeof(*buf) * cut.len);
+				pos += cut.len;
+			}
+		}
 
 		break; case EditInsert: {
-			reserve(pos, 1);
-			if (pos < Cap) buf[pos++] = ch;
+			if (reserve(pos, 1)) {
+				buf[pos++] = ch;
+			}
 		}
 		break; case EditComplete: {
 			tabComplete(id);
diff --git a/ui.c b/ui.c
index 65b4760..d946854 100644
--- a/ui.c
+++ b/ui.c
@@ -166,12 +166,14 @@ void uiHide(void) {
 	endwin();
 }
 
-static void disableFlowControl(void) {
+// Gain use of C-q, C-s, C-z, C-y, C-o.
+static void acquireKeys(void) {
 	struct termios term;
 	int error = tcgetattr(STDOUT_FILENO, &term);
 	if (error) err(EX_OSERR, "tcgetattr");
 	term.c_iflag &= ~IXON;
 	term.c_cc[VSUSP] = _POSIX_VDISABLE;
+	term.c_cc[VDSUSP] = _POSIX_VDISABLE;
 	term.c_cc[VDISCARD] = _POSIX_VDISABLE;
 	error = tcsetattr(STDOUT_FILENO, TCSADRAIN, &term);
 	if (error) err(EX_OSERR, "tcsetattr");
@@ -212,7 +214,7 @@ void uiInit(void) {
 	initscr();
 	cbreak();
 	noecho();
-	disableFlowControl();
+	acquireKeys();
 	def_prog_mode();
 	atexit(errExit);
 	colorInit();
@@ -662,6 +664,7 @@ static void keyCtrl(wchar_t ch) {
 		break; case L'L': clearok(curscr, true);
 		break; case L'U': edit(id, EditDeleteHead, 0);
 		break; case L'W': edit(id, EditDeletePrevWord, 0);
+		break; case L'Y': edit(id, EditPaste, 0);
 	}
 }
 
-- 
cgit 1.4.1


From 3436cd1068ca37cf4043bc8dc83e3b8890edcb2b Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Sun, 9 Feb 2020 16:45:49 -0500
Subject: Add /whois

---
 catgirl.1 |   2 ++
 chat.h    |   1 +
 command.c |   8 +++++
 handle.c  | 101 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 112 insertions(+)

(limited to 'chat.h')

diff --git a/catgirl.1 b/catgirl.1
index 8679f22..ac558a9 100644
--- a/catgirl.1
+++ b/catgirl.1
@@ -166,6 +166,8 @@ Quit IRC.
 Send a raw IRC command.
 .It Ic /topic Op Ar topic
 Show or set the topic of the channel.
+.It Ic /whois Ar nick
+Query information about a user.
 .El
 .
 .Ss UI Commands
diff --git a/chat.h b/chat.h
index 24360f0..f79cc70 100644
--- a/chat.h
+++ b/chat.h
@@ -120,6 +120,7 @@ void ircFormat(const char *format, ...)
 extern struct Replies {
 	size_t topic;
 	size_t names;
+	size_t whois;
 } replies;
 
 void handle(struct Message msg);
diff --git a/command.c b/command.c
index 6d9ef9b..3e201cc 100644
--- a/command.c
+++ b/command.c
@@ -124,6 +124,13 @@ static void commandNames(size_t id, char *params) {
 	replies.names++;
 }
 
+static void commandWhois(size_t id, char *params) {
+	(void)id;
+	if (!params) return;
+	ircFormat("WHOIS :%s\r\n", params);
+	replies.whois++;
+}
+
 static void commandQuery(size_t id, char *params) {
 	if (!params) return;
 	size_t query = idFor(params);
@@ -203,6 +210,7 @@ static const struct Handler {
 	{ "/quit", commandQuit },
 	{ "/quote", commandQuote },
 	{ "/topic", commandTopic },
+	{ "/whois", commandWhois },
 	{ "/window", commandWindow },
 };
 
diff --git a/handle.c b/handle.c
index 2cc7a25..2ef2477 100644
--- a/handle.c
+++ b/handle.c
@@ -374,6 +374,97 @@ static void handleTopic(struct Message *msg) {
 	}
 }
 
+static void handleReplyWhoisUser(struct Message *msg) {
+	require(msg, false, 6);
+	if (!replies.whois) return;
+	completeTouch(Network, msg->params[1], hash(msg->params[2]));
+	uiFormat(
+		Network, Warm, tagTime(msg),
+		"\3%02d%s\3\tis %s!%s@%s (%s)",
+		hash(msg->params[2]), msg->params[1],
+		msg->params[1], msg->params[2], msg->params[3], msg->params[5]
+	);
+}
+
+static void handleReplyWhoisServer(struct Message *msg) {
+	require(msg, false, 4);
+	if (!replies.whois) return;
+	uiFormat(
+		Network, Warm, tagTime(msg),
+		"\3%02d%s\3\tis connected to %s (%s)",
+		completeColor(Network, msg->params[1]), msg->params[1],
+		msg->params[2], msg->params[3]
+	);
+}
+
+static void handleReplyWhoisIdle(struct Message *msg) {
+	require(msg, false, 3);
+	if (!replies.whois) return;
+	unsigned long idle = strtoul(msg->params[2], NULL, 10);
+	const char *unit = "second";
+	if (idle / 60) { idle /= 60; unit = "minute"; }
+	if (idle / 60) { idle /= 60; unit = "hour"; }
+	if (idle / 24) { idle /= 24; unit = "day"; }
+	time_t signon = (msg->params[3] ? strtoul(msg->params[3], NULL, 10) : 0);
+	uiFormat(
+		Network, Warm, tagTime(msg),
+		"\3%02d%s\3\tis idle for %lu %s%s%s%.*s",
+		completeColor(Network, msg->params[1]), msg->params[1],
+		idle, unit, (idle != 1 ? "s" : ""),
+		(signon ? ", signed on " : ""),
+		24, (signon ? ctime(&signon) : "")
+	);
+}
+
+static void handleReplyWhoisChannels(struct Message *msg) {
+	require(msg, false, 3);
+	if (!replies.whois) return;
+	char buf[1024];
+	size_t len = 0;
+	while (msg->params[2]) {
+		char *channel = strsep(&msg->params[2], " ");
+		channel += strspn(channel, self.prefixes);
+		int n = snprintf(
+			&buf[len], sizeof(buf) - len,
+			"%s\3%02d%s\3", (len ? ", " : ""), hash(channel), channel
+		);
+		assert(n > 0 && len + n < sizeof(buf));
+		len += n;
+	}
+	uiFormat(
+		Network, Warm, tagTime(msg),
+		"\3%02d%s\3\tis in %s",
+		completeColor(Network, msg->params[1]), msg->params[1], buf
+	);
+}
+
+static void handleReplyWhoisGeneric(struct Message *msg) {
+	require(msg, false, 3);
+	if (!replies.whois) return;
+	if (msg->params[3]) {
+		msg->params[0] = msg->params[2];
+		msg->params[2] = msg->params[3];
+		msg->params[3] = msg->params[0];
+	}
+	uiFormat(
+		Network, Warm, tagTime(msg),
+		"\3%02d%s\3\t%s%s%s",
+		completeColor(Network, msg->params[1]), msg->params[1],
+		msg->params[2],
+		(msg->params[3] ? " " : ""),
+		(msg->params[3] ? msg->params[3] : "")
+	);
+}
+
+static void handleReplyEndOfWhois(struct Message *msg) {
+	require(msg, false, 2);
+	if (!replies.whois) return;
+	if (!self.nick || strcmp(msg->params[1], self.nick)) {
+		completeRemove(Network, msg->params[1]);
+	}
+	replies.whois--;
+}
+
 static bool isAction(struct Message *msg) {
 	if (strncmp(msg->params[1], "\1ACTION ", 8)) return false;
 	msg->params[1] += 8;
@@ -495,6 +586,15 @@ static const struct Handler {
 } Handlers[] = {
 	{ "001", handleReplyWelcome },
 	{ "005", handleReplyISupport },
+	{ "276", handleReplyWhoisGeneric },
+	{ "307", handleReplyWhoisGeneric },
+	{ "311", handleReplyWhoisUser },
+	{ "312", handleReplyWhoisServer },
+	{ "313", handleReplyWhoisGeneric },
+	{ "317", handleReplyWhoisIdle },
+	{ "318", handleReplyEndOfWhois },
+	{ "319", handleReplyWhoisChannels },
+	{ "330", handleReplyWhoisGeneric },
 	{ "331", handleReplyNoTopic },
 	{ "332", handleReplyTopic },
 	{ "353", handleReplyNames },
@@ -502,6 +602,7 @@ static const struct Handler {
 	{ "372", handleReplyMOTD },
 	{ "432", handleErrorErroneousNickname },
 	{ "433", handleErrorNicknameInUse },
+	{ "671", handleReplyWhoisGeneric },
 	{ "900", handleReplyLoggedIn },
 	{ "904", handleErrorSASLFail },
 	{ "905", handleErrorSASLFail },
-- 
cgit 1.4.1


From a91f975e9b86859f3605c75e42d52e73b1511101 Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Mon, 10 Feb 2020 05:37:47 -0500
Subject: Hash to colors in the range 2-75

Colors 76-87 seem too light, some almost appearing white. Colors 88-98
are shades of gray.
---
 chat.h | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

(limited to 'chat.h')

diff --git a/chat.h b/chat.h
index f79cc70..e7bb9cc 100644
--- a/chat.h
+++ b/chat.h
@@ -198,7 +198,16 @@ static inline enum Color hash(const char *str) {
 		hash ^= *str;
 		hash *= 0x27220A95;
 	}
-	return 2 + hash % 14;
+	static const enum Color colors[] = {
+		Blue, Green, Red, Brown, Magenta, Orange, Yellow,
+		LightGreen, Cyan, LightCyan, LightBlue, Pink, Gray, LightGray,
+		16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27,
+		28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
+		40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51,
+		52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
+		64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75,
+	};
+	return colors[hash % ARRAY_LEN(colors)];
 }
 
 #define BASE64_SIZE(len) (1 + ((len) + 2) / 3 * 4)
-- 
cgit 1.4.1


From 0d93e66a68ded28440e20cd7012b4e8b0c705fc6 Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Mon, 10 Feb 2020 05:50:28 -0500
Subject: Add -H

---
 catgirl.1 | 7 ++++++-
 chat.c    | 7 ++++++-
 chat.h    | 3 ++-
 3 files changed, 14 insertions(+), 3 deletions(-)

(limited to 'chat.h')

diff --git a/catgirl.1 b/catgirl.1
index 5e333a8..15b387b 100644
--- a/catgirl.1
+++ b/catgirl.1
@@ -1,4 +1,4 @@
-.Dd February  9, 2020
+.Dd February 10, 2020
 .Dt CATGIRL 1
 .Os
 .
@@ -10,6 +10,7 @@
 .Nm
 .Op Fl ev
 .Op Fl C Ar copy
+.Op Fl H Ar hash
 .Op Fl O Ar open
 .Op Fl a Ar auth
 .Op Fl c Ar cert
@@ -57,6 +58,10 @@ The default is the first available of
 .Xr xclip 1 ,
 .Xr xsel 1 .
 .
+.It Fl H Ar hash , Cm hash = Ar hash
+Set the initial value of
+the nick color hash function.
+.
 .It Fl O Ar util , Cm open = Ar util
 Set the utility used by
 .Ic /open .
diff --git a/chat.c b/chat.c
index ff74485..c58fdc5 100644
--- a/chat.c
+++ b/chat.c
@@ -21,6 +21,7 @@
 #include <poll.h>
 #include <signal.h>
 #include <stdbool.h>
+#include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -46,6 +47,8 @@ size_t idNext = Network + 1;
 
 struct Self self = { .color = Default };
 
+uint32_t hashInit;
+
 int procPipe[2] = { -1, -1 };
 
 static void pipeRead(void) {
@@ -81,10 +84,11 @@ int main(int argc, char *argv[]) {
 	const char *user = NULL;
 	const char *real = NULL;
 
-	const char *Opts = "!C:O:a:c:eh:j:k:n:p:r:u:vw:";
+	const char *Opts = "!C:H:O:a:c:eh:j:k:n:p:r:u:vw:";
 	const struct option LongOpts[] = {
 		{ "insecure", no_argument, NULL, '!' },
 		{ "copy", required_argument, NULL, 'C' },
+		{ "hash", required_argument, NULL, 'H' },
 		{ "open", required_argument, NULL, 'O' },
 		{ "sasl-plain", required_argument, NULL, 'a' },
 		{ "cert", required_argument, NULL, 'c' },
@@ -106,6 +110,7 @@ int main(int argc, char *argv[]) {
 		switch (opt) {
 			break; case '!': insecure = true;
 			break; case 'C': urlCopyUtil = optarg;
+			break; case 'H': hashInit = strtoul(optarg, NULL, 0);
 			break; case 'O': urlOpenUtil = optarg;
 			break; case 'a': sasl = true; self.plain = optarg;
 			break; case 'c': cert = optarg;
diff --git a/chat.h b/chat.h
index e7bb9cc..16cc683 100644
--- a/chat.h
+++ b/chat.h
@@ -190,9 +190,10 @@ int getopt_config(
 	const char *optstring, const struct option *longopts, int *longindex
 );
 
+extern uint32_t hashInit;
 static inline enum Color hash(const char *str) {
 	if (*str == '~') str++;
-	uint32_t hash = 0;
+	uint32_t hash = hashInit;
 	for (; *str; ++str) {
 		hash = (hash << 5) | (hash >> 27);
 		hash ^= *str;
-- 
cgit 1.4.1


From c8a6564670839cc526073a90e573939ec30cfcce Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Mon, 10 Feb 2020 17:03:13 -0500
Subject: Eliminate array in hash

I expected to have to remove some arbitrary colors, but it seems like
just the range 2-75 works fine.
---
 chat.h | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)

(limited to 'chat.h')

diff --git a/chat.h b/chat.h
index 16cc683..13319da 100644
--- a/chat.h
+++ b/chat.h
@@ -199,16 +199,7 @@ static inline enum Color hash(const char *str) {
 		hash ^= *str;
 		hash *= 0x27220A95;
 	}
-	static const enum Color colors[] = {
-		Blue, Green, Red, Brown, Magenta, Orange, Yellow,
-		LightGreen, Cyan, LightCyan, LightBlue, Pink, Gray, LightGray,
-		16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27,
-		28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
-		40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51,
-		52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
-		64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75,
-	};
-	return colors[hash % ARRAY_LEN(colors)];
+	return 2 + hash % 74;
 }
 
 #define BASE64_SIZE(len) (1 + ((len) + 2) / 3 * 4)
-- 
cgit 1.4.1


From b59431bb15ec74f05119a7c710a1f6a21e702bad Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Mon, 10 Feb 2020 19:40:13 -0500
Subject: Add -s to save and load buffers

---
 catgirl.1 |  27 +++++++++-
 chat.c    |  17 +++++-
 chat.h    |   4 ++
 config.c  |   8 ++-
 ui.c      | 176 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++--
 5 files changed, 220 insertions(+), 12 deletions(-)

(limited to 'chat.h')

diff --git a/catgirl.1 b/catgirl.1
index 15b387b..00f875b 100644
--- a/catgirl.1
+++ b/catgirl.1
@@ -20,6 +20,7 @@
 .Op Fl n Ar nick
 .Op Fl p Ar port
 .Op Fl r Ar real
+.Op Fl s Ar save
 .Op Fl u Ar user
 .Op Fl w Ar pass
 .Op Ar config ...
@@ -123,6 +124,18 @@ Set realname to
 .Ar real .
 The default realname is the same as the nickname.
 .
+.It Fl s Ar name , Cm save = Ar name
+Load and save the contents of windows from
+.Ar name
+in
+.Pa $XDG_DATA_DIRS/catgirl ,
+or an absolute or relative path if
+.Ar name
+starts with
+.Ql /
+or
+.Ql \&. .
+.
 .It Fl u Ar user , Cm user = Ar user
 Set username to
 .Ar user .
@@ -324,7 +337,7 @@ The color numbers are as follows:
 .Sh FILES
 .Bl -tag -width Ds
 .It Pa $XDG_CONFIG_DIRS/catgirl
-Configuration files are search for first in
+Configuration files are searched for first in
 .Ev $XDG_CONFIG_HOME ,
 usually
 .Pa ~/.config ,
@@ -334,6 +347,18 @@ usually
 .Pa /etc/xdg .
 .It Pa ~/.config/catgirl
 The most likely location of configuration files.
+.
+.It Pa $XDG_DATA_DIRS/catgirl
+Save files are searched for first in
+.Ev $XDG_DATA_HOME ,
+usually
+.Pa ~/.local/share ,
+followed by the colon-separated list of paths
+.Ev $XDG_DATA_DIRS ,
+usually
+.Pa /usr/local/share:/usr/share .
+.It Pa ~/.local/share/catgirl
+The most likely location of save files.
 .El
 .
 .Sh EXAMPLES
diff --git a/chat.c b/chat.c
index c58fdc5..e8713bb 100644
--- a/chat.c
+++ b/chat.c
@@ -47,6 +47,15 @@ size_t idNext = Network + 1;
 
 struct Self self = { .color = Default };
 
+static const char *save;
+static void exitSave(void) {
+	int error = uiSave(save);
+	if (error) {
+		warn("%s", save);
+		_exit(EX_IOERR);
+	}
+}
+
 uint32_t hashInit;
 
 int procPipe[2] = { -1, -1 };
@@ -84,7 +93,7 @@ int main(int argc, char *argv[]) {
 	const char *user = NULL;
 	const char *real = NULL;
 
-	const char *Opts = "!C:H:O:a:c:eh:j:k:n:p:r:u:vw:";
+	const char *Opts = "!C:H:O:a:c:eh:j:k:n:p:r:s:u:vw:";
 	const struct option LongOpts[] = {
 		{ "insecure", no_argument, NULL, '!' },
 		{ "copy", required_argument, NULL, 'C' },
@@ -99,6 +108,7 @@ int main(int argc, char *argv[]) {
 		{ "nick", required_argument, NULL, 'n' },
 		{ "port", required_argument, NULL, 'p' },
 		{ "real", required_argument, NULL, 'r' },
+		{ "save", required_argument, NULL, 's' },
 		{ "user", required_argument, NULL, 'u' },
 		{ "debug", no_argument, NULL, 'v' },
 		{ "pass", required_argument, NULL, 'w' },
@@ -121,6 +131,7 @@ int main(int argc, char *argv[]) {
 			break; case 'n': nick = optarg;
 			break; case 'p': port = optarg;
 			break; case 'r': real = optarg;
+			break; case 's': save = optarg;
 			break; case 'u': user = optarg;
 			break; case 'v': self.debug = true;
 			break; case 'w': pass = optarg;
@@ -154,6 +165,10 @@ int main(int argc, char *argv[]) {
 	if (privFile) fclose(privFile);
 
 	uiInit();
+	if (save) {
+		uiLoad(save);
+		atexit(exitSave);
+	}
 	uiShowID(Network);
 	uiFormat(Network, Cold, NULL, "Traveling...");
 	uiDraw();
diff --git a/chat.h b/chat.h
index 13319da..47a6163 100644
--- a/chat.h
+++ b/chat.h
@@ -26,6 +26,8 @@
 #define ARRAY_LEN(a) (sizeof(a) / sizeof(a[0]))
 #define BIT(x) x##Bit, x = 1 << x##Bit, x##Bit_ = x##Bit
 
+#define XDG_SUBDIR "catgirl"
+
 typedef unsigned char byte;
 
 int procPipe[2];
@@ -144,6 +146,8 @@ void uiWrite(size_t id, enum Heat heat, const time_t *time, const char *str);
 void uiFormat(
 	size_t id, enum Heat heat, const time_t *time, const char *format, ...
 ) __attribute__((format(printf, 4, 5)));
+void uiLoad(const char *name);
+int uiSave(const char *name);
 
 enum Edit {
 	EditHead,
diff --git a/config.c b/config.c
index b3e42f9..3bf56c0 100644
--- a/config.c
+++ b/config.c
@@ -24,8 +24,6 @@
 
 #include "chat.h"
 
-#define CONFIG_DIR "catgirl"
-
 FILE *configOpen(const char *path, const char *mode) {
 	if (path[0] == '/' || path[0] == '.') goto local;
 
@@ -35,10 +33,10 @@ FILE *configOpen(const char *path, const char *mode) {
 
 	char buf[PATH_MAX];
 	if (configHome) {
-		snprintf(buf, sizeof(buf), "%s/" CONFIG_DIR "/%s", configHome, path);
+		snprintf(buf, sizeof(buf), "%s/" XDG_SUBDIR "/%s", configHome, path);
 	} else {
 		if (!home) goto local;
-		snprintf(buf, sizeof(buf), "%s/.config/" CONFIG_DIR "/%s", home, path);
+		snprintf(buf, sizeof(buf), "%s/.config/" XDG_SUBDIR "/%s", home, path);
 	}
 	FILE *file = fopen(buf, mode);
 	if (file) return file;
@@ -48,7 +46,7 @@ FILE *configOpen(const char *path, const char *mode) {
 	while (*configDirs) {
 		size_t len = strcspn(configDirs, ":");
 		snprintf(
-			buf, sizeof(buf), "%.*s/" CONFIG_DIR "/%s",
+			buf, sizeof(buf), "%.*s/" XDG_SUBDIR "/%s",
 			(int)len, configDirs, path
 		);
 		file = fopen(buf, mode);
diff --git a/ui.c b/ui.c
index 9a070a6..57ef322 100644
--- a/ui.c
+++ b/ui.c
@@ -20,11 +20,14 @@
 #include <ctype.h>
 #include <curses.h>
 #include <err.h>
+#include <errno.h>
+#include <limits.h>
 #include <stdarg.h>
 #include <stdbool.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <sys/stat.h>
 #include <sysexits.h>
 #include <term.h>
 #include <termios.h>
@@ -66,6 +69,13 @@ static void bufferPush(struct Buffer *buffer, time_t time, const char *line) {
 	if (!buffer->lines[i]) err(EX_OSERR, "strdup");
 }
 
+static time_t bufferTime(const struct Buffer *buffer, size_t i) {
+	return buffer->times[(buffer->len + i) % BufferCap];
+}
+static const char *bufferLine(const struct Buffer *buffer, size_t i) {
+	return buffer->lines[(buffer->len + i) % BufferCap];
+}
+
 enum { WindowLines = BufferCap };
 struct Window {
 	size_t id;
@@ -532,9 +542,8 @@ static void reflow(struct Window *window) {
 	werase(window->pad);
 	wmove(window->pad, WindowLines - 1, 0);
 	window->unreadLines = 0;
-	struct Buffer *buffer = &window->buffer;
 	for (size_t i = 0; i < BufferCap; ++i) {
-		char *line = buffer->lines[(buffer->len + i) % BufferCap];
+		const char *line = bufferLine(&window->buffer, i);
 		if (!line) continue;
 		waddch(window->pad, '\n');
 		if (i >= (size_t)(BufferCap - window->unreadCount)) {
@@ -557,12 +566,12 @@ static void resize(void) {
 	statusUpdate();
 }
 
-static void bufferList(struct Buffer *buffer) {
+static void bufferList(const struct Buffer *buffer) {
 	uiHide();
 	waiting = true;
 	for (size_t i = 0; i < BufferCap; ++i) {
-		time_t time = buffer->times[(buffer->len + i) % BufferCap];
-		const char *line = buffer->lines[(buffer->len + i) % BufferCap];
+		time_t time = bufferTime(buffer, i);
+		const char *line = bufferLine(buffer, i);
 		if (!line) continue;
 
 		struct tm *tm = localtime(&time);
@@ -848,3 +857,160 @@ void uiRead(void) {
 	}
 	inputUpdate();
 }
+
+static FILE *dataOpen(const char *path, const char *mode) {
+	if (path[0] == '/' || path[0] == '.') goto local;
+
+	const char *home = getenv("HOME");
+	const char *dataHome = getenv("XDG_DATA_HOME");
+	const char *dataDirs = getenv("XDG_DATA_DIRS");
+
+	char homePath[PATH_MAX];
+	if (dataHome) {
+		snprintf(
+			homePath, sizeof(homePath),
+			"%s/" XDG_SUBDIR "/%s", dataHome, path
+		);
+	} else {
+		if (!home) goto local;
+		snprintf(
+			homePath, sizeof(homePath),
+			"%s/.local/share/" XDG_SUBDIR "/%s", home, path
+		);
+	}
+	FILE *file = fopen(homePath, mode);
+	if (file) return file;
+	if (errno != ENOENT) {
+		warn("%s", homePath);
+		return NULL;
+	}
+
+	char buf[PATH_MAX];
+	if (!dataDirs) dataDirs = "/usr/local/share:/usr/share";
+	while (*dataDirs) {
+		size_t len = strcspn(dataDirs, ":");
+		snprintf(
+			buf, sizeof(buf), "%.*s/" XDG_SUBDIR "/%s",
+			(int)len, dataDirs, path
+		);
+		file = fopen(buf, mode);
+		if (file) return file;
+		if (errno != ENOENT) {
+			warn("%s", buf);
+			return NULL;
+		}
+		dataDirs += len;
+		if (*dataDirs) dataDirs++;
+	}
+
+	if (mode[0] != 'r') {
+		char *base = strrchr(homePath, '/');
+		*base = '\0';
+		int error = mkdir(homePath, S_IRWXU);
+		if (error && errno != EEXIST) {
+			warn("%s", homePath);
+			return NULL;
+		}
+		*base = '/';
+		file = fopen(homePath, mode);
+		if (!file) warn("%s", homePath);
+		return file;
+	}
+
+local:
+	file = fopen(path, mode);
+	if (!file) warn("%s", path);
+	return file;
+}
+
+static const size_t Signatures[] = {
+	0x6C72696774616301,
+};
+
+static size_t signatureVersion(size_t signature) {
+	for (size_t i = 0; i < ARRAY_LEN(Signatures); ++i) {
+		if (signature == Signatures[i]) return i;
+	}
+	err(EX_DATAERR, "unknown file signature %zX", signature);
+}
+
+static int writeSize(FILE *file, size_t value) {
+	return (fwrite(&value, sizeof(value), 1, file) ? 0 : -1);
+}
+static int writeTime(FILE *file, time_t time) {
+	return (fwrite(&time, sizeof(time), 1, file) ? 0 : -1);
+}
+static int writeString(FILE *file, const char *str) {
+	return (fwrite(str, strlen(str) + 1, 1, file) ? 0 : -1);
+}
+
+int uiSave(const char *name) {
+	FILE *file = dataOpen(name, "w");
+	if (!file) return -1;
+
+	if (writeSize(file, Signatures[0])) return -1;
+	const struct Window *window;
+	for (window = windows.head; window; window = window->next) {
+		if (writeString(file, idNames[window->id])) return -1;
+		for (size_t i = 0; i < BufferCap; ++i) {
+			time_t time = bufferTime(&window->buffer, i);
+			const char *line = bufferLine(&window->buffer, i);
+			if (!line) continue;
+			if (writeTime(file, time)) return -1;
+			if (writeString(file, line)) return -1;
+		}
+		if (writeTime(file, 0)) return -1;
+	}
+	return fclose(file);
+}
+
+static size_t readSize(FILE *file) {
+	size_t value;
+	fread(&value, sizeof(value), 1, file);
+	if (ferror(file)) err(EX_IOERR, "fread");
+	if (feof(file)) errx(EX_DATAERR, "unexpected eof");
+	return value;
+}
+static time_t readTime(FILE *file) {
+	time_t time;
+	fread(&time, sizeof(time), 1, file);
+	if (ferror(file)) err(EX_IOERR, "fread");
+	if (feof(file)) errx(EX_DATAERR, "unexpected eof");
+	return time;
+}
+static ssize_t readString(FILE *file, char **buf, size_t *cap) {
+	ssize_t len = getdelim(buf, cap, '\0', file);
+	if (len < 0 && !feof(file)) err(EX_IOERR, "getdelim");
+	return len;
+}
+
+void uiLoad(const char *name) {
+	FILE *file = dataOpen(name, "r");
+	if (!file) {
+		if (errno != ENOENT) exit(EX_NOINPUT);
+		file = dataOpen(name, "w");
+		if (!file) exit(EX_CANTCREAT);
+		fclose(file);
+		return;
+	}
+
+	size_t signature = readSize(file);
+	signatureVersion(signature);
+
+	char *buf = NULL;
+	size_t cap = 0;
+	while (0 < readString(file, &buf, &cap)) {
+		struct Window *window = windowFor(idFor(buf));
+		for (;;) {
+			time_t time = readTime(file);
+			if (!time) break;
+			readString(file, &buf, &cap);
+			bufferPush(&window->buffer, time, buf);
+		}
+		reflow(window);
+		// TODO: Place some marker of end of save.
+	}
+
+	free(buf);
+	fclose(file);
+}
-- 
cgit 1.4.1


From 99480a42e56e70707822934ffeb56f0454afc127 Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Mon, 10 Feb 2020 19:57:10 -0500
Subject: Factor out XDG base directory code

And add warnings to configOpen, since that's the only way to be accurate
if a weird error occurs.
---
 Makefile |   1 +
 chat.c   |   4 +-
 chat.h   |   2 +
 config.c |  41 +------------------
 ui.c     |  67 --------------------------------
 xdg.c    | 134 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 6 files changed, 140 insertions(+), 109 deletions(-)
 create mode 100644 xdg.c

(limited to 'chat.h')

diff --git a/Makefile b/Makefile
index 89af9b3..b1ffede 100644
--- a/Makefile
+++ b/Makefile
@@ -15,6 +15,7 @@ OBJS += handle.o
 OBJS += irc.o
 OBJS += ui.o
 OBJS += url.o
+OBJS += xdg.o
 
 dev: tags all
 
diff --git a/chat.c b/chat.c
index e8713bb..1ae7090 100644
--- a/chat.c
+++ b/chat.c
@@ -154,11 +154,11 @@ int main(int argc, char *argv[]) {
 	FILE *privFile = NULL;
 	if (cert) {
 		certFile = configOpen(cert, "r");
-		if (!certFile) err(EX_NOINPUT, "%s", cert);
+		if (!certFile) return EX_NOINPUT;
 	}
 	if (priv) {
 		privFile = configOpen(priv, "r");
-		if (!privFile) err(EX_NOINPUT, "%s", priv);
+		if (!privFile) return EX_NOINPUT;
 	}
 	ircConfig(insecure, certFile, privFile);
 	if (certFile) fclose(certFile);
diff --git a/chat.h b/chat.h
index 47a6163..03a0a50 100644
--- a/chat.h
+++ b/chat.h
@@ -189,6 +189,8 @@ void urlOpenMatch(size_t id, const char *str);
 void urlCopyMatch(size_t id, const char *str);
 
 FILE *configOpen(const char *path, const char *mode);
+FILE *dataOpen(const char *path, const char *mode);
+
 int getopt_config(
 	int argc, char *const *argv,
 	const char *optstring, const struct option *longopts, int *longindex
diff --git a/config.c b/config.c
index 3bf56c0..3a87948 100644
--- a/config.c
+++ b/config.c
@@ -24,42 +24,6 @@
 
 #include "chat.h"
 
-FILE *configOpen(const char *path, const char *mode) {
-	if (path[0] == '/' || path[0] == '.') goto local;
-
-	const char *home = getenv("HOME");
-	const char *configHome = getenv("XDG_CONFIG_HOME");
-	const char *configDirs = getenv("XDG_CONFIG_DIRS");
-
-	char buf[PATH_MAX];
-	if (configHome) {
-		snprintf(buf, sizeof(buf), "%s/" XDG_SUBDIR "/%s", configHome, path);
-	} else {
-		if (!home) goto local;
-		snprintf(buf, sizeof(buf), "%s/.config/" XDG_SUBDIR "/%s", home, path);
-	}
-	FILE *file = fopen(buf, mode);
-	if (file) return file;
-	if (errno != ENOENT) return NULL;
-
-	if (!configDirs) configDirs = "/etc/xdg";
-	while (*configDirs) {
-		size_t len = strcspn(configDirs, ":");
-		snprintf(
-			buf, sizeof(buf), "%.*s/" XDG_SUBDIR "/%s",
-			(int)len, configDirs, path
-		);
-		file = fopen(buf, mode);
-		if (file) return file;
-		if (errno != ENOENT) return NULL;
-		configDirs += len;
-		if (*configDirs) configDirs++;
-	}
-
-local:
-	return fopen(path, mode);
-}
-
 #define WS "\t "
 
 static const char *path;
@@ -92,10 +56,7 @@ int getopt_config(
 				num = 0;
 				path = argv[optind++];
 				file = configOpen(path, "r");
-				if (!file) {
-					warn("%s", path);
-					return clean('?');
-				}
+				if (!file) return clean('?');
 			} else {
 				return clean(-1);
 			}
diff --git a/ui.c b/ui.c
index ecf7e60..9601aaa 100644
--- a/ui.c
+++ b/ui.c
@@ -21,13 +21,11 @@
 #include <curses.h>
 #include <err.h>
 #include <errno.h>
-#include <limits.h>
 #include <stdarg.h>
 #include <stdbool.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <sys/stat.h>
 #include <sysexits.h>
 #include <term.h>
 #include <termios.h>
@@ -858,71 +856,6 @@ void uiRead(void) {
 	inputUpdate();
 }
 
-static FILE *dataOpen(const char *path, const char *mode) {
-	if (path[0] == '/' || path[0] == '.') goto local;
-
-	const char *home = getenv("HOME");
-	const char *dataHome = getenv("XDG_DATA_HOME");
-	const char *dataDirs = getenv("XDG_DATA_DIRS");
-
-	char homePath[PATH_MAX];
-	if (dataHome) {
-		snprintf(
-			homePath, sizeof(homePath),
-			"%s/" XDG_SUBDIR "/%s", dataHome, path
-		);
-	} else {
-		if (!home) goto local;
-		snprintf(
-			homePath, sizeof(homePath),
-			"%s/.local/share/" XDG_SUBDIR "/%s", home, path
-		);
-	}
-	FILE *file = fopen(homePath, mode);
-	if (file) return file;
-	if (errno != ENOENT) {
-		warn("%s", homePath);
-		return NULL;
-	}
-
-	char buf[PATH_MAX];
-	if (!dataDirs) dataDirs = "/usr/local/share:/usr/share";
-	while (*dataDirs) {
-		size_t len = strcspn(dataDirs, ":");
-		snprintf(
-			buf, sizeof(buf), "%.*s/" XDG_SUBDIR "/%s",
-			(int)len, dataDirs, path
-		);
-		file = fopen(buf, mode);
-		if (file) return file;
-		if (errno != ENOENT) {
-			warn("%s", buf);
-			return NULL;
-		}
-		dataDirs += len;
-		if (*dataDirs) dataDirs++;
-	}
-
-	if (mode[0] != 'r') {
-		char *base = strrchr(homePath, '/');
-		*base = '\0';
-		int error = mkdir(homePath, S_IRWXU);
-		if (error && errno != EEXIST) {
-			warn("%s", homePath);
-			return NULL;
-		}
-		*base = '/';
-		file = fopen(homePath, mode);
-		if (!file) warn("%s", homePath);
-		return file;
-	}
-
-local:
-	file = fopen(path, mode);
-	if (!file) warn("%s", path);
-	return file;
-}
-
 static const size_t Signatures[] = {
 	0x6C72696774616301,
 };
diff --git a/xdg.c b/xdg.c
new file mode 100644
index 0000000..6e33210
--- /dev/null
+++ b/xdg.c
@@ -0,0 +1,134 @@
+/* Copyright (C) 2019, 2020  C. McEnroe <june@causal.agency>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <err.h>
+#include <errno.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+
+#include "chat.h"
+
+FILE *configOpen(const char *path, const char *mode) {
+	if (path[0] == '/' || path[0] == '.') goto local;
+
+	const char *home = getenv("HOME");
+	const char *configHome = getenv("XDG_CONFIG_HOME");
+	const char *configDirs = getenv("XDG_CONFIG_DIRS");
+
+	char buf[PATH_MAX];
+	if (configHome) {
+		snprintf(buf, sizeof(buf), "%s/" XDG_SUBDIR "/%s", configHome, path);
+	} else {
+		if (!home) goto local;
+		snprintf(buf, sizeof(buf), "%s/.config/" XDG_SUBDIR "/%s", home, path);
+	}
+	FILE *file = fopen(buf, mode);
+	if (file) return file;
+	if (errno != ENOENT) {
+		warn("%s", buf);
+		return NULL;
+	}
+
+	if (!configDirs) configDirs = "/etc/xdg";
+	while (*configDirs) {
+		size_t len = strcspn(configDirs, ":");
+		snprintf(
+			buf, sizeof(buf), "%.*s/" XDG_SUBDIR "/%s",
+			(int)len, configDirs, path
+		);
+		file = fopen(buf, mode);
+		if (file) return file;
+		if (errno != ENOENT) {
+			warn("%s", buf);
+			return NULL;
+		}
+		configDirs += len;
+		if (*configDirs) configDirs++;
+	}
+
+local:
+	file = fopen(path, mode);
+	if (!file) warn("%s", path);
+	return file;
+}
+
+FILE *dataOpen(const char *path, const char *mode) {
+	if (path[0] == '/' || path[0] == '.') goto local;
+
+	const char *home = getenv("HOME");
+	const char *dataHome = getenv("XDG_DATA_HOME");
+	const char *dataDirs = getenv("XDG_DATA_DIRS");
+
+	char homePath[PATH_MAX];
+	if (dataHome) {
+		snprintf(
+			homePath, sizeof(homePath),
+			"%s/" XDG_SUBDIR "/%s", dataHome, path
+		);
+	} else {
+		if (!home) goto local;
+		snprintf(
+			homePath, sizeof(homePath),
+			"%s/.local/share/" XDG_SUBDIR "/%s", home, path
+		);
+	}
+	FILE *file = fopen(homePath, mode);
+	if (file) return file;
+	if (errno != ENOENT) {
+		warn("%s", homePath);
+		return NULL;
+	}
+
+	char buf[PATH_MAX];
+	if (!dataDirs) dataDirs = "/usr/local/share:/usr/share";
+	while (*dataDirs) {
+		size_t len = strcspn(dataDirs, ":");
+		snprintf(
+			buf, sizeof(buf), "%.*s/" XDG_SUBDIR "/%s",
+			(int)len, dataDirs, path
+		);
+		file = fopen(buf, mode);
+		if (file) return file;
+		if (errno != ENOENT) {
+			warn("%s", buf);
+			return NULL;
+		}
+		dataDirs += len;
+		if (*dataDirs) dataDirs++;
+	}
+
+	if (mode[0] != 'r') {
+		char *base = strrchr(homePath, '/');
+		*base = '\0';
+		int error = mkdir(homePath, S_IRWXU);
+		if (error && errno != EEXIST) {
+			warn("%s", homePath);
+			return NULL;
+		}
+		*base = '/';
+		file = fopen(homePath, mode);
+		if (!file) warn("%s", homePath);
+		return file;
+	}
+
+local:
+	file = fopen(path, mode);
+	if (!file) warn("%s", path);
+	return file;
+}
-- 
cgit 1.4.1


From 80a79467efca8f17e440cb63009c60dd8e78cc63 Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Mon, 10 Feb 2020 20:24:07 -0500
Subject: Only automatically switch to expected joins

---
 chat.h    | 1 +
 command.c | 1 +
 handle.c  | 6 +++++-
 3 files changed, 7 insertions(+), 1 deletion(-)

(limited to 'chat.h')

diff --git a/chat.h b/chat.h
index 03a0a50..f47b244 100644
--- a/chat.h
+++ b/chat.h
@@ -120,6 +120,7 @@ void ircFormat(const char *format, ...)
 	__attribute__((format(printf, 1, 2)));
 
 extern struct Replies {
+	size_t join;
 	size_t topic;
 	size_t names;
 	size_t whois;
diff --git a/command.c b/command.c
index cab1d26..5cb43cf 100644
--- a/command.c
+++ b/command.c
@@ -86,6 +86,7 @@ static void commandJoin(size_t id, char *params) {
 		}
 	}
 	ircFormat("JOIN %s\r\n", (params ? params : idNames[id]));
+	replies.join += count;
 	replies.topic += count;
 	replies.names += count;
 }
diff --git a/handle.c b/handle.c
index fd2a67f..0db7fd9 100644
--- a/handle.c
+++ b/handle.c
@@ -164,6 +164,7 @@ static void handleReplyWelcome(struct Message *msg) {
 			if (*ch == ',') count++;
 		}
 		ircFormat("JOIN %s\r\n", self.join);
+		replies.join += count;
 		replies.topic += count;
 		replies.names += count;
 	}
@@ -211,7 +212,10 @@ static void handleJoin(struct Message *msg) {
 		}
 		idColors[id] = hash(msg->params[0]);
 		completeTouch(None, msg->params[0], idColors[id]);
-		uiShowID(id);
+		if (replies.join) {
+			uiShowID(id);
+			replies.join--;
+		}
 	}
 	completeTouch(id, msg->nick, hash(msg->user));
 	if (msg->params[2] && !strcasecmp(msg->params[2], msg->nick)) {
-- 
cgit 1.4.1