diff options
author | June McEnroe <june@causal.agency> | 2018-02-09 15:14:33 -0500 |
---|---|---|
committer | June McEnroe <june@causal.agency> | 2018-02-09 15:14:33 -0500 |
commit | 68dab38c2c8b000a0918f6427d6d53261a6ce5bb (patch) | |
tree | 0abcfc5fa42d3e79a90acf5e1ead79f1e06ed3fa /bin/gfx11.c | |
parent | Add janky X11 graphics frontend (diff) | |
download | src-68dab38c2c8b000a0918f6427d6d53261a6ce5bb.tar.gz src-68dab38c2c8b000a0918f6427d6d53261a6ce5bb.zip |
Move gfx frontends around to simplify build
I forgot that you can expand variables inside variables names in make. Certainly makes some fun things possible.
Diffstat (limited to 'bin/gfx11.c')
-rw-r--r-- | bin/gfx11.c | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/bin/gfx11.c b/bin/gfx11.c deleted file mode 100644 index 53d84895..00000000 --- a/bin/gfx11.c +++ /dev/null @@ -1,124 +0,0 @@ -/* Copyright (c) 2018, June McEnroe <programble@gmail.com> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU Affero 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 Affero General Public License for more details. - * - * You should have received a copy of the GNU Affero General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#include <X11/Xlib.h> -#include <err.h> -#include <sysexits.h> -#include <stdint.h> -#include <stdlib.h> -#include <stdbool.h> - -extern int init(int argc, char *argv[]); -extern const char *status(void); -extern void draw(uint32_t *buf, size_t width, size_t height); -extern bool input(char in); - -static size_t width; -static size_t height; - -static size_t bufSize; -static uint32_t *buf; - -static Display *display; -static Window window; -static GC gc; -static XImage *image; -static Pixmap pixmap; - -static void resize(size_t newWidth, size_t newHeight) { - size_t newSize = 4 * newWidth * newHeight; - if (newSize > bufSize) { - free(buf); - buf = malloc(newSize); - if (!buf) err(EX_OSERR, "malloc(%zu)", newSize); - bufSize = newSize; - } - - image->data = (char *)buf; - image->width = newWidth; - image->height = newHeight; - image->bytes_per_line = 4 * newWidth; - - if (pixmap) XFreePixmap(display, pixmap); - pixmap = XCreatePixmap(display, window, newWidth, newHeight, 24); - - width = newWidth; - height = newHeight; -} - -static void drawWindow(void) { - draw(buf, width, height); - XPutImage(display, pixmap, gc, image, 0, 0, 0, 0, width, height); - XCopyArea(display, pixmap, window, gc, 0, 0, width, height, 0, 0); -} - -int main(int argc, char *argv[]) { - int error = init(argc, argv); - if (error) return error; - - display = XOpenDisplay(NULL); - if (!display) errx(EX_UNAVAILABLE, "XOpenDisplay: %s", XDisplayName(NULL)); - - Window root = DefaultRootWindow(display); - window = XCreateSimpleWindow(display, root, 0, 0, 800, 600, 0, 0, 0); - gc = XCreateGC(display, window, 0, NULL); - image = XCreateImage(display, NULL, 24, ZPixmap, 0, NULL, 0, 0, 32, 0); - - Atom WM_DELETE_WINDOW = XInternAtom(display, "WM_DELETE_WINDOW", false); - XSetWMProtocols(display, window, &WM_DELETE_WINDOW, 1); - - XStoreName(display, window, status()); - XMapWindow(display, window); - - XEvent event; - XSelectInput(display, window, ExposureMask | StructureNotifyMask | KeyPressMask); - for (;;) { - XNextEvent(display, &event); - switch (event.type) { - case KeyPress: { - XKeyEvent key = event.xkey; - KeySym sym = XLookupKeysym(&key, key.state); - if (sym > 128) break; - if (!input(sym)) return EX_OK; - drawWindow(); - } break; - - case ConfigureNotify: { - XConfigureEvent configure = event.xconfigure; - resize(configure.width, configure.height); - drawWindow(); - } break; - - case Expose: { - XExposeEvent expose = event.xexpose; - XCopyArea( - display, - pixmap, window, gc, - expose.x, expose.y, - expose.width, expose.height, - expose.x, expose.y - ); - } break; - - case ClientMessage: { - XClientMessageEvent message = event.xclient; - if ((Atom)message.data.l[0] == WM_DELETE_WINDOW) { - return EX_OK; - } - } break; - } - } -} |