Add some real line editing operations
parent
5470254fa5
commit
af244ad3cd
5
chat.h
5
chat.h
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@ -133,7 +133,12 @@ void uiFormat(
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) __attribute__((format(printf, 4, 5)));
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enum Edit {
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EditHome,
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EditEnd,
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EditLeft,
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EditRight,
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EditKill,
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EditErase,
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EditInsert,
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EditEnter,
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};
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26
edit.c
26
edit.c
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@ -45,13 +45,33 @@ char *editTail(void) {
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return mbs;
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}
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static void reserve(size_t index, size_t count) {
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if (len + count > Cap) return;
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memmove(&buf[index + count], &buf[index], sizeof(*buf) * (len - index));
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len += count;
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}
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static void delete(size_t index, size_t count) {
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if (index + count > len) return;
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memmove(
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&buf[index], &buf[index + count], sizeof(*buf) * (len - index - count)
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);
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len -= count;
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}
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void edit(size_t id, enum Edit op, wchar_t ch) {
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switch (op) {
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break; case EditHome: pos = 0;
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break; case EditEnd: pos = len;
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break; case EditLeft: if (pos) pos--;
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break; case EditRight: if (pos < len) pos++;
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break; case EditKill: len = pos = 0;
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break; case EditErase: if (pos) delete(--pos, 1);
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break; case EditInsert: {
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if (len == Cap) break;
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buf[pos++] = ch;
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len++;
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reserve(pos, 1);
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if (pos < Cap) buf[pos++] = ch;
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}
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break; case EditEnter: {
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pos = 0;
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12
ui.c
12
ui.c
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@ -546,12 +546,20 @@ void uiShowNum(size_t num) {
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}
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static void keyCode(int code) {
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size_t id = windows.active->id;
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switch (code) {
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break; case KEY_RESIZE: resize();
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break; case KeyFocusIn: unmark();
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break; case KeyFocusOut: windows.active->mark = true;
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break; case KeyPasteOn:; // TODO
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break; case KeyPasteOff:; // TODO
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break; case KEY_BACKSPACE: edit(id, EditErase, 0);
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break; case KEY_END: edit(id, EditEnd, 0);
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break; case KEY_ENTER: edit(id, EditEnter, 0);
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break; case KEY_HOME: edit(id, EditHome, 0);
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break; case KEY_LEFT: edit(id, EditLeft, 0);
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break; case KEY_RIGHT: edit(id, EditRight, 0);
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}
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}
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@ -567,6 +575,10 @@ static void keyMeta(wchar_t ch) {
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static void keyCtrl(wchar_t ch) {
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size_t id = windows.active->id;
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switch (ch) {
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break; case L'?': edit(id, EditErase, 0);
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break; case L'A': edit(id, EditHome, 0);
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break; case L'E': edit(id, EditEnd, 0);
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break; case L'H': edit(id, EditErase, 0);
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break; case L'J': edit(id, EditEnter, 0);
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break; case L'L': clearok(curscr, true);
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break; case L'U': edit(id, EditKill, 0);
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