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@ -9,86 +9,112 @@
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#include "sway/commands.h"
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#include "log.h"
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/**
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* Remove all key ids associated to a keycode from the list of pressed keys
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*/
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static void state_erase_key(struct sway_shortcut_state *state,
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uint32_t keycode) {
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size_t j = 0;
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for (size_t i = 0; i < state->npressed; ++i) {
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if (i > j) {
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state->pressed_keys[j] = state->pressed_keys[i];
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state->pressed_keycodes[j] = state->pressed_keycodes[i];
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}
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if (state->pressed_keycodes[i] != keycode) {
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++j;
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}
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}
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while(state->npressed > j) {
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--state->npressed;
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state->pressed_keys[state->npressed] = 0;
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state->pressed_keycodes[state->npressed] = 0;
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}
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}
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/**
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* Add a key id (with associated keycode) to the list of pressed keys,
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* if the list is not full.
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*/
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static void state_add_key(struct sway_shortcut_state *state,
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uint32_t keycode, uint32_t key_id) {
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if (state->npressed >= SWAY_KEYBOARD_PRESSED_KEYS_CAP) {
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return;
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}
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size_t i = 0;
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while (i < state->npressed && state->pressed_keys[i] < key_id) {
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++i;
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}
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size_t j = state->npressed;
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while (j > i) {
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state->pressed_keys[j] = state->pressed_keys[j - 1];
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state->pressed_keycodes[j] = state->pressed_keycodes[j - 1];
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--j;
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}
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state->pressed_keys[i] = key_id;
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state->pressed_keycodes[i] = keycode;
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state->npressed++;
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}
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/**
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* Update the shortcut model state in response to new input
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*/
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static void update_shortcut_state(struct sway_shortcut_state *state,
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struct wlr_event_keyboard_key *event, uint32_t new_key,
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bool last_key_was_a_modifier) {
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uint32_t raw_modifiers) {
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bool last_key_was_a_modifier = raw_modifiers != state->last_raw_modifiers;
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state->last_raw_modifiers = raw_modifiers;
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if (event->state == WLR_KEY_PRESSED) {
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if (last_key_was_a_modifier && state->last_key_index >= 0) {
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if (last_key_was_a_modifier && state->last_keycode) {
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// Last pressed key before this one was a modifier
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state->pressed_keycodes[state->last_key_index] = 0;
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state->pressed_keys[state->last_key_index] = 0;
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state->last_key_index = -1;
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state_erase_key(state, state->last_keycode);
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}
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// Add current key to set; there may be duplicates
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for (size_t i = 0; i < SWAY_KEYBOARD_PRESSED_KEYS_CAP; ++i) {
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if (!state->pressed_keys[i]) {
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state->pressed_keys[i] = new_key;
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state->pressed_keycodes[i] = event->keycode;
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state->last_key_index = i;
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break;
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}
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}
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state_add_key(state, event->keycode, new_key);
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state->last_keycode = event->keycode;
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} else {
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for (size_t i = 0; i < SWAY_KEYBOARD_PRESSED_KEYS_CAP; ++i) {
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// The same keycode may match multiple keysyms.
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if (state->pressed_keycodes[i] == event->keycode) {
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state->pressed_keys[i] = 0;
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state->pressed_keycodes[i] = 0;
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}
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}
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state_erase_key(state, event->keycode);
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}
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}
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/**
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*
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* Returns a binding which matches the shortcut model state (ignoring the
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* `release` flag).
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* If one exists, finds a binding which matches the shortcut model state,
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* current modifiers, release state, and locked state.
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*/
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static struct sway_binding *get_active_binding(
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struct sway_shortcut_state *state, list_t *bindings,
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uint32_t modifiers, bool locked) {
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int npressed_keys = 0;
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for (size_t i = 0; i < SWAY_KEYBOARD_PRESSED_KEYS_CAP; ++i) {
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if (state->pressed_keys[i]) {
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++npressed_keys;
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}
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}
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static void get_active_binding(const struct sway_shortcut_state *state,
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list_t *bindings, struct sway_binding **current_binding,
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uint32_t modifiers, bool release, bool locked) {
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for (int i = 0; i < bindings->length; ++i) {
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struct sway_binding *binding = bindings->items[i];
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if (modifiers ^ binding->modifiers ||
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npressed_keys != binding->keys->length ||
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locked > binding->locked) {
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state->npressed != (size_t)binding->keys->length ||
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locked > binding->locked ||
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release != binding->release) {
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continue;
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}
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bool match = true;
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for (int j = 0; j < binding->keys->length; ++j) {
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for (size_t j = 0; j < state->npressed; j++) {
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uint32_t key = *(uint32_t *)binding->keys->items[j];
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bool key_found = false;
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for (int k = 0; k < SWAY_KEYBOARD_PRESSED_KEYS_CAP; ++k) {
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if (state->pressed_keys[k] == key) {
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key_found = true;
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break;
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}
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}
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if (!key_found) {
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if (key != state->pressed_keys[j]) {
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match = false;
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break;
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}
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}
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if (!match) {
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continue;
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}
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if (match) {
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return binding;
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if (*current_binding && *current_binding != binding) {
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wlr_log(L_DEBUG, "encountered duplicate bindings %d and %d",
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(*current_binding)->order, binding->order);
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} else {
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*current_binding = binding;
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}
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return;
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}
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return NULL;
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}
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/**
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@ -204,69 +230,65 @@ static void handle_keyboard_key(struct wl_listener *listener, void *data) {
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size_t raw_keysyms_len =
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keyboard_keysyms_raw(keyboard, keycode, &raw_keysyms, &raw_modifiers);
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struct wlr_input_device *device =
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keyboard->seat_device->input_device->wlr_device;
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uint32_t code_modifiers = wlr_keyboard_get_modifiers(device->keyboard);
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bool last_key_was_a_modifier = code_modifiers != keyboard->last_modifiers;
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keyboard->last_modifiers = code_modifiers;
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uint32_t code_modifiers = wlr_keyboard_get_modifiers(wlr_device->keyboard);
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// Update shortcut model state
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update_shortcut_state(&keyboard->state_keycodes, event,
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(uint32_t)keycode, last_key_was_a_modifier);
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(uint32_t)keycode, code_modifiers);
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for (size_t i = 0; i < translated_keysyms_len; ++i) {
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update_shortcut_state(&keyboard->state_keysyms_translated,
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event, (uint32_t)translated_keysyms[i],
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last_key_was_a_modifier && i == 0);
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code_modifiers);
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}
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for (size_t i = 0; i < raw_keysyms_len; ++i) {
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update_shortcut_state(&keyboard->state_keysyms_raw,
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event, (uint32_t)raw_keysyms[i],
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last_key_was_a_modifier && i == 0);
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code_modifiers);
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}
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// identify which binding should be executed.
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struct sway_binding *binding = get_active_binding(
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&keyboard->state_keycodes,
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config->current_mode->keycode_bindings,
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code_modifiers, input_inhibited);
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struct sway_binding *translated_binding = get_active_binding(
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&keyboard->state_keysyms_translated,
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config->current_mode->keysym_bindings,
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translated_modifiers, input_inhibited);
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if (translated_binding && !binding) {
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binding = translated_binding;
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} else if (binding && translated_binding && binding != translated_binding) {
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wlr_log(L_DEBUG, "encountered duplicate bindings %d and %d",
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binding->order, translated_binding->order);
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}
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struct sway_binding *raw_binding = get_active_binding(
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&keyboard->state_keysyms_raw,
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config->current_mode->keysym_bindings,
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raw_modifiers, input_inhibited);
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if (raw_binding && !binding) {
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binding = raw_binding;
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} else if (binding && raw_binding && binding != raw_binding) {
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wlr_log(L_DEBUG, "encountered duplicate bindings %d and %d",
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binding->order, raw_binding->order);
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}
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bool handled = false;
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// Execute the identified binding if need be.
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if (keyboard->held_binding && binding != keyboard->held_binding &&
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// Identify active release binding
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struct sway_binding *binding_released = NULL;
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get_active_binding(&keyboard->state_keycodes,
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config->current_mode->keycode_bindings, &binding_released,
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code_modifiers, true, input_inhibited);
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get_active_binding(&keyboard->state_keysyms_translated,
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config->current_mode->keysym_bindings, &binding_released,
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translated_modifiers, true, input_inhibited);
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get_active_binding(&keyboard->state_keysyms_raw,
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config->current_mode->keysym_bindings, &binding_released,
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raw_modifiers, true, input_inhibited);
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// Execute stored release binding once no longer active
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if (keyboard->held_binding && binding_released != keyboard->held_binding &&
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event->state == WLR_KEY_RELEASED) {
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keyboard_execute_command(keyboard, keyboard->held_binding);
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handled = true;
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}
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if (binding != keyboard->held_binding) {
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if (binding_released != keyboard->held_binding) {
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keyboard->held_binding = NULL;
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}
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if (binding && event->state == WLR_KEY_PRESSED) {
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if (binding->release) {
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keyboard->held_binding = binding;
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} else {
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keyboard_execute_command(keyboard, binding);
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if (binding_released && event->state == WLR_KEY_PRESSED) {
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keyboard->held_binding = binding_released;
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}
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// Identify and execute active pressed binding
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if (event->state == WLR_KEY_PRESSED) {
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struct sway_binding *binding_pressed = NULL;
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get_active_binding(&keyboard->state_keycodes,
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config->current_mode->keycode_bindings, &binding_pressed,
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code_modifiers, false, input_inhibited);
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get_active_binding(&keyboard->state_keysyms_translated,
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config->current_mode->keysym_bindings, &binding_pressed,
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translated_modifiers, false, input_inhibited);
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get_active_binding(&keyboard->state_keysyms_raw,
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config->current_mode->keysym_bindings, &binding_pressed,
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raw_modifiers, false, input_inhibited);
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if (binding_pressed) {
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keyboard_execute_command(keyboard, binding_pressed);
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handled = true;
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}
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}
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@ -315,10 +337,6 @@ struct sway_keyboard *sway_keyboard_create(struct sway_seat *seat,
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wl_list_init(&keyboard->keyboard_key.link);
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wl_list_init(&keyboard->keyboard_modifiers.link);
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keyboard->state_keycodes.last_key_index = -1;
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keyboard->state_keysyms_raw.last_key_index = -1;
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keyboard->state_keysyms_translated.last_key_index = -1;
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return keyboard;
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}
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vil
7 years ago
committed by
GitHub