wayland: Add keymap support
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@ -1084,14 +1084,15 @@ static const struct wl_touch_listener touch_listener = {
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typedef struct Wayland_Keymap
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{
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xkb_layout_index_t layout;
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SDL_Keycode keymap[SDL_NUM_SCANCODES];
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SDL_Keymap *keymap;
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struct xkb_state *state;
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SDL_Keymod modstate;
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} Wayland_Keymap;
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static void Wayland_keymap_iter(struct xkb_keymap *keymap, xkb_keycode_t key, void *data)
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{
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const xkb_keysym_t *syms;
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Wayland_Keymap *sdlKeymap = (Wayland_Keymap *)data;
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const xkb_keysym_t *syms;
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SDL_Scancode scancode;
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scancode = SDL_GetScancodeFromTable(SDL_SCANCODE_TABLE_XFREE86_2, (key - 8));
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@ -1099,13 +1100,13 @@ static void Wayland_keymap_iter(struct xkb_keymap *keymap, xkb_keycode_t key, vo
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return;
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}
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if (WAYLAND_xkb_keymap_key_get_syms_by_level(keymap, key, sdlKeymap->layout, 0, &syms) > 0) {
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if (WAYLAND_xkb_state_key_get_syms(sdlKeymap->state, key, &syms) > 0) {
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uint32_t keycode = SDL_KeySymToUcs4(syms[0]);
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if (!keycode) {
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const SDL_Scancode sc = SDL_GetScancodeFromKeySym(syms[0], key);
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/* Note: The default SDL keymap always sets this to right alt instead of AltGr/Mode, so handle it separately. */
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/* Note: The default SDL scancode table sets this to right alt instead of AltGr/Mode, so handle it separately. */
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if (syms[0] != XKB_KEY_ISO_Level3_Shift) {
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keycode = SDL_GetDefaultKeyFromScancode(sc, SDL_KMOD_NONE);
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} else {
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@ -1113,30 +1114,80 @@ static void Wayland_keymap_iter(struct xkb_keymap *keymap, xkb_keycode_t key, vo
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}
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}
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if (keycode) {
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sdlKeymap->keymap[scancode] = keycode;
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} else {
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if (!keycode) {
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switch (scancode) {
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case SDL_SCANCODE_RETURN:
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sdlKeymap->keymap[scancode] = SDLK_RETURN;
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keycode = SDLK_RETURN;
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break;
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case SDL_SCANCODE_ESCAPE:
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sdlKeymap->keymap[scancode] = SDLK_ESCAPE;
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keycode = SDLK_ESCAPE;
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break;
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case SDL_SCANCODE_BACKSPACE:
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sdlKeymap->keymap[scancode] = SDLK_BACKSPACE;
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keycode = SDLK_BACKSPACE;
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break;
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case SDL_SCANCODE_TAB:
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sdlKeymap->keymap[scancode] = SDLK_TAB;
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keycode = SDLK_TAB;
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break;
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case SDL_SCANCODE_DELETE:
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sdlKeymap->keymap[scancode] = SDLK_DELETE;
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keycode = SDLK_DELETE;
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break;
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default:
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sdlKeymap->keymap[scancode] = SDL_SCANCODE_TO_KEYCODE(scancode);
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keycode = SDL_SCANCODE_TO_KEYCODE(scancode);
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break;
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}
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}
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SDL_SetKeymapEntry(sdlKeymap->keymap, scancode, sdlKeymap->modstate, keycode);
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}
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}
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static void Wayland_UpdateKeymap(struct SDL_WaylandInput *input)
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{
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struct Keymod_masks
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{
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SDL_Keymod sdl_mask;
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xkb_mod_mask_t xkb_mask;
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} const keymod_masks[] = {
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{ SDL_KMOD_NONE, 0 },
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{ SDL_KMOD_SHIFT, input->xkb.idx_shift },
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{ SDL_KMOD_CAPS, input->xkb.idx_caps },
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{ SDL_KMOD_SHIFT | SDL_KMOD_CAPS, input->xkb.idx_shift | input->xkb.idx_caps },
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{ SDL_KMOD_MODE, input->xkb.idx_mode },
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{ SDL_KMOD_MODE | SDL_KMOD_SHIFT, input->xkb.idx_mode | input->xkb.idx_shift },
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{ SDL_KMOD_MODE | SDL_KMOD_CAPS, input->xkb.idx_mode | input->xkb.idx_caps },
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{ SDL_KMOD_MODE | SDL_KMOD_SHIFT | SDL_KMOD_CAPS, input->xkb.idx_mode | input->xkb.idx_shift | input->xkb.idx_caps }
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};
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if (!input->keyboard_is_virtual) {
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Wayland_Keymap keymap;
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keymap.keymap = SDL_CreateKeymap();
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if (!keymap.keymap) {
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return;
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}
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keymap.state = WAYLAND_xkb_state_new(input->xkb.keymap);
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if (!keymap.state) {
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SDL_SetError("failed to create XKB state");
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SDL_DestroyKeymap(keymap.keymap);
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return;
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}
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for (int i = 0; i < SDL_arraysize(keymod_masks); ++i) {
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keymap.modstate = keymod_masks[i].sdl_mask;
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WAYLAND_xkb_state_update_mask(keymap.state,
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keymod_masks[i].xkb_mask & (input->xkb.idx_shift | input->xkb.idx_mode), 0, keymod_masks[i].xkb_mask & input->xkb.idx_caps,
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0, 0, input->xkb.current_group);
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WAYLAND_xkb_keymap_key_for_each(input->xkb.keymap,
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Wayland_keymap_iter,
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&keymap);
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}
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WAYLAND_xkb_state_unref(keymap.state);
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SDL_SetKeymap(keymap.keymap, SDL_TRUE);
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} else {
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/* Virtual keyboards use the default keymap. */
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SDL_SetKeymap(NULL, SDL_TRUE);
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}
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}
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@ -1214,17 +1265,9 @@ static void keyboard_handle_keymap(void *data, struct wl_keyboard *keyboard,
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*/
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input->keyboard_is_virtual = WAYLAND_xkb_keymap_layout_get_name(input->xkb.keymap, 0) == NULL;
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/* Update the keymap if changed. Virtual keyboards use the default keymap. */
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/* Update the keymap if changed. */
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if (input->xkb.current_group != XKB_GROUP_INVALID) {
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Wayland_Keymap keymap;
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keymap.layout = input->xkb.current_group;
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//SDL_GetDefaultKeymap(keymap.keymap);
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if (!input->keyboard_is_virtual) {
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WAYLAND_xkb_keymap_key_for_each(input->xkb.keymap,
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Wayland_keymap_iter,
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&keymap);
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}
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//SDL_SetKeymap(0, keymap.keymap, SDL_NUM_SCANCODES, SDL_TRUE);
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Wayland_UpdateKeymap(input);
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}
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/*
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@ -1644,7 +1687,6 @@ static void keyboard_handle_modifiers(void *data, struct wl_keyboard *keyboard,
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uint32_t group)
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{
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struct SDL_WaylandInput *input = data;
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Wayland_Keymap keymap;
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if (input->xkb.state == NULL) {
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/* if we get a modifier notification before the keymap, there's nothing we can do with the information
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@ -1676,14 +1718,7 @@ static void keyboard_handle_modifiers(void *data, struct wl_keyboard *keyboard,
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/* The layout changed, remap and fire an event. Virtual keyboards use the default keymap. */
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input->xkb.current_group = group;
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keymap.layout = group;
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//SDL_GetDefaultKeymap(keymap.keymap);
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if (!input->keyboard_is_virtual) {
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WAYLAND_xkb_keymap_key_for_each(input->xkb.keymap,
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Wayland_keymap_iter,
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&keymap);
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}
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//SDL_SetKeymap(0, keymap.keymap, SDL_NUM_SCANCODES, SDL_TRUE);
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Wayland_UpdateKeymap(input);
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}
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static void keyboard_handle_repeat_info(void *data, struct wl_keyboard *wl_keyboard,
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