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FEAT: Cursor nav in text box

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boreddevnl 2026-04-01 22:18:26 +02:00
parent ad8db32305
commit 8d5fa53d3e
1 changed files with 27 additions and 6 deletions
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33
src/wm/libwidget.c
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@ -277,6 +277,15 @@ bool widget_textbox_handle_mouse(widget_textbox_t *tb, int mx, int my, bool mous
bool in_bounds = (mx >= tb->x && mx < tb->x + tb->w && my >= tb->y && my < tb->y + tb->h); bool in_bounds = (mx >= tb->x && mx < tb->x + tb->w && my >= tb->y && my < tb->y + tb->h);
if (mouse_clicked) { if (mouse_clicked) {
tb->focused = in_bounds; tb->focused = in_bounds;
if (in_bounds && tb->text) {
int rel_x = mx - (tb->x + 5);
if (rel_x < 0) rel_x = 0;
// Rough estimation for fixed-width font 8px chars
int new_pos = rel_x / 8;
int len = string_len(tb->text);
if (new_pos > len) new_pos = len;
tb->cursor_pos = new_pos;
}
} }
return in_bounds; return in_bounds;
} }
@ -285,17 +294,29 @@ bool widget_textbox_handle_key(widget_textbox_t *tb, char c, void *user_data) {
if (!tb->focused || !tb->text) return false; if (!tb->focused || !tb->text) return false;
int len = string_len(tb->text); int len = string_len(tb->text);
if (c == 19) { // LEFT
if (tb->cursor_pos > 0) tb->cursor_pos--;
return true;
} else if (c == 20) { // RIGHT
if (tb->cursor_pos < len) tb->cursor_pos++;
return true;
}
if (c == '\b') { // backspace if (c == '\b') { // backspace
if (len > 0) { if (tb->cursor_pos > 0) {
tb->text[len - 1] = '\0'; for (int i = tb->cursor_pos - 1; i < len; i++) {
tb->cursor_pos = len - 1; tb->text[i] = tb->text[i + 1];
}
tb->cursor_pos--;
if (tb->on_change) tb->on_change(user_data); if (tb->on_change) tb->on_change(user_data);
} }
} else if (c >= 32 && c < 127) { } else if (c >= 32 && c < 127) {
if (len < tb->max_len - 1) { if (len < tb->max_len - 1) {
tb->text[len] = c; for (int i = len; i >= tb->cursor_pos; i--) {
tb->text[len + 1] = '\0'; tb->text[i + 1] = tb->text[i];
tb->cursor_pos = len + 1; }
tb->text[tb->cursor_pos] = c;
tb->cursor_pos++;
if (tb->on_change) tb->on_change(user_data); if (tb->on_change) tb->on_change(user_data);
} }
} }