diff options
author | June McEnroe <june@causal.agency> | 2020-02-07 01:55:26 -0500 |
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committer | June McEnroe <june@causal.agency> | 2020-02-07 01:56:23 -0500 |
commit | af244ad3cd19fb50bf9b9855f02d81e61441ab50 (patch) | |
tree | 4ecd69f0d6fc8f041823e4d5846467ce0b7c1709 | |
parent | Add simple configure script (diff) | |
download | catgirl-af244ad3cd19fb50bf9b9855f02d81e61441ab50.tar.gz catgirl-af244ad3cd19fb50bf9b9855f02d81e61441ab50.zip |
Add some real line editing operations
-rw-r--r-- | chat.h | 5 | ||||
-rw-r--r-- | edit.c | 28 | ||||
-rw-r--r-- | ui.c | 12 |
3 files changed, 41 insertions, 4 deletions
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); |