Support basic Emacs-style line-editing bindings - wmenu - 🔧 fork of wmenu
(HTM) git clone git@git.drkhsh.at/wmenu.git
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---
(DIR) commit 972277a5e0a4d92810c84afe3a6b278b3f8bbd54
(DIR) parent 8cc6a22737ba801cc4b5846af3e33f348abfc52e
(HTM) Author: adnano <me@adnano.co>
Date: Fri, 2 Dec 2022 10:08:24 -0500
Support basic Emacs-style line-editing bindings
Implements: https://todo.sr.ht/~adnano/wmenu/3
Diffstat:
M main.c | 90 +++++++++++++++++++++++++++++++
1 file changed, 90 insertions(+), 0 deletions(-)
---
(DIR) diff --git a/main.c b/main.c
@@ -501,6 +501,96 @@ void keypress(struct menu_state *state, enum wl_keyboard_key_state key_state,
XKB_MOD_NAME_SHIFT,
XKB_STATE_MODS_DEPRESSED | XKB_STATE_MODS_LATCHED);
+ if (ctrl) {
+ // Emacs-style line editing bindings
+ switch (sym) {
+ case XKB_KEY_a:
+ sym = XKB_KEY_Home;
+ break;
+ case XKB_KEY_b:
+ sym = XKB_KEY_Left;
+ break;
+ case XKB_KEY_c:
+ sym = XKB_KEY_Escape;
+ break;
+ case XKB_KEY_d:
+ sym = XKB_KEY_Delete;
+ break;
+ case XKB_KEY_e:
+ sym = XKB_KEY_End;
+ break;
+ case XKB_KEY_f:
+ sym = XKB_KEY_Right;
+ break;
+ case XKB_KEY_g:
+ sym = XKB_KEY_Escape;
+ break;
+ case XKB_KEY_h:
+ sym = XKB_KEY_BackSpace;
+ break;
+ case XKB_KEY_i:
+ sym = XKB_KEY_Tab;
+ break;
+ case XKB_KEY_j:
+ case XKB_KEY_J:
+ case XKB_KEY_m:
+ case XKB_KEY_M:
+ sym = XKB_KEY_Return;
+ ctrl = false;
+ break;
+ case XKB_KEY_n:
+ sym = XKB_KEY_Down;
+ break;
+ case XKB_KEY_p:
+ sym = XKB_KEY_Up;
+ break;
+
+ case XKB_KEY_k:
+ // Delete right
+ state->text[state->cursor] = '\0';
+ match(state);
+ render_frame(state);
+ return;
+ case XKB_KEY_u:
+ // Delete left
+ insert(state, NULL, 0 - state->cursor);
+ render_frame(state);
+ return;
+ case XKB_KEY_w:
+ // Delete word
+ while (state->cursor > 0 && state->text[nextrune(state, -1)] == ' ') {
+ insert(state, NULL, nextrune(state, -1) - state->cursor);
+ }
+ while (state->cursor > 0 && state->text[nextrune(state, -1)] != ' ') {
+ insert(state, NULL, nextrune(state, -1) - state->cursor);
+ }
+ render_frame(state);
+ return;
+ case XKB_KEY_Left:
+ case XKB_KEY_KP_Left:
+ // Move to beginning of word
+ while (state->cursor > 0 && state->text[nextrune(state, -1)] == ' ') {
+ state->cursor = nextrune(state, -1);
+ }
+ while (state->cursor > 0 && state->text[nextrune(state, -1)] != ' ') {
+ state->cursor = nextrune(state, -1);
+ }
+ render_frame(state);
+ return;
+ case XKB_KEY_Right:
+ case XKB_KEY_KP_Right:
+ // Move to end of word
+ while (state->cursor > 0 && state->text[nextrune(state, -1)] == ' ') {
+ state->cursor = nextrune(state, -1);
+ }
+ while (state->cursor > 0 && state->text[nextrune(state, -1)] != ' ') {
+ state->cursor = nextrune(state, -1);
+ }
+ render_frame(state);
+ return;
+ }
+ }
+
char buf[8];
size_t len = strlen(state->text);
switch (sym) {