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wayland: Apply modifier changes to the text of repeated keys 

The text component of a repeated keystroke is initially set when a key is first pressed and the cached value remains static until the repeated key is released and another repeatable key is pressed. If the state of a modifier such as shift or capslock is changed while a key is being repeated, the text emitted will not have the modifier applied to it until the repeated key is released and pressed again.

Update the text to be repeated by a key if a modifier is changed while a key is actively being repeated.
This commit is contained in:
Frank Praznik 2022-09-22 13:03:09 -04:00 committed by Ethan Lee
parent 467c82c771
commit 4a06cc0f75
1 changed files with 34 additions and 2 deletions
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36
src/video/wayland/SDL_waylandevents.c
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@ -253,6 +253,24 @@ keyboard_repeat_set(SDL_WaylandKeyboardRepeat* repeat_info, uint32_t key, uint32
}
}
static uint32_t
keyboard_repeat_get_key(SDL_WaylandKeyboardRepeat *repeat_info)
{
if (repeat_info->is_initialized && repeat_info->is_key_down) {
return repeat_info->key;
}
return 0;
}
static void
keyboard_repeat_set_text(SDL_WaylandKeyboardRepeat *repeat_info, const char text[8])
{
if (repeat_info->is_initialized) {
SDL_memcpy(repeat_info->text, text, 8);
}
}
static SDL_bool keyboard_repeat_is_set(SDL_WaylandKeyboardRepeat* repeat_info) {
return repeat_info->is_initialized && repeat_info->is_key_down;
}
@ -1048,7 +1066,9 @@ keyboard_input_get_text(char text[8], const struct SDL_WaylandInput *input, uint
#ifdef SDL_USE_IME
if (SDL_IME_ProcessKeyEvent(sym, key + 8, state)) {
*handled_by_ime = SDL_TRUE;
if (handled_by_ime) {
*handled_by_ime = SDL_TRUE;
}
return SDL_TRUE;
}
#endif
@ -1060,7 +1080,9 @@ keyboard_input_get_text(char text[8], const struct SDL_WaylandInput *input, uint
if (input->xkb.compose_state && WAYLAND_xkb_compose_state_feed(input->xkb.compose_state, sym) == XKB_COMPOSE_FEED_ACCEPTED) {
switch(WAYLAND_xkb_compose_state_get_status(input->xkb.compose_state)) {
case XKB_COMPOSE_COMPOSING:
*handled_by_ime = SDL_TRUE;
if (handled_by_ime) {
*handled_by_ime = SDL_TRUE;
}
return SDL_TRUE;
case XKB_COMPOSE_CANCELLED:
default:
@ -1199,6 +1221,16 @@ keyboard_handle_modifiers(void *data, struct wl_keyboard *keyboard,
SDL_ToggleModState(KMOD_NUM, modstate & input->xkb.idx_num);
SDL_ToggleModState(KMOD_CAPS, modstate & input->xkb.idx_caps);
/* If a key is repeating, update the text to apply the modifier. */
if(keyboard_repeat_is_set(&input->keyboard_repeat)) {
char text[8];
const uint32_t key = keyboard_repeat_get_key(&input->keyboard_repeat);
if (keyboard_input_get_text(text, input, key, SDL_PRESSED, NULL)) {
keyboard_repeat_set_text(&input->keyboard_repeat, text);
}
}
if (group == input->xkb.current_group) {
return;
}