-static void grab_keycode_for_binding(xcb_connection_t *conn, Binding *bind, uint32_t keycode) {
- DLOG("Grabbing %d\n", keycode);
- /* Grab the key in all combinations */
- #define GRAB_KEY(modifier) \
- do { \
- xcb_grab_key(conn, 0, root, modifier, keycode, \
- XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC); \
- } while (0)
- int mods = bind->mods;
- if ((bind->mods & BIND_MODE_SWITCH) != 0) {
- mods &= ~BIND_MODE_SWITCH;
- if (mods == 0)
- mods = XCB_MOD_MASK_ANY;
- }
- GRAB_KEY(mods);
- GRAB_KEY(mods | xcb_numlock_mask);
- GRAB_KEY(mods | xcb_numlock_mask | XCB_MOD_MASK_LOCK);
-}
-
-/*
- * Returns a pointer to the Binding with the specified modifiers and keycode
- * or NULL if no such binding exists.
- *
- */
-Binding *get_binding(uint16_t modifiers, bool key_release, xcb_keycode_t keycode) {
- Binding *bind;
-
- if (!key_release) {
- /* On a KeyPress event, we first reset all
- * B_UPON_KEYRELEASE_IGNORE_MODS bindings back to B_UPON_KEYRELEASE */
- TAILQ_FOREACH(bind, bindings, bindings) {
- if (bind->release == B_UPON_KEYRELEASE_IGNORE_MODS)
- bind->release = B_UPON_KEYRELEASE;
- }
-
- /* Then we transition the KeyRelease bindings into a state where the
- * modifiers no longer matter for the KeyRelease event so that users
- * can release the modifier key before releasing the actual key. */
- TAILQ_FOREACH(bind, bindings, bindings) {
- if (bind->release == B_UPON_KEYRELEASE && !key_release)
- bind->release = B_UPON_KEYRELEASE_IGNORE_MODS;
- }
- }
-
- TAILQ_FOREACH(bind, bindings, bindings) {
- /* First compare the modifiers (unless this is a
- * B_UPON_KEYRELEASE_IGNORE_MODS binding and this is a KeyRelease
- * event) */
- if (bind->mods != modifiers &&
- (bind->release != B_UPON_KEYRELEASE_IGNORE_MODS ||
- !key_release))
- continue;
-
- /* Check if the binding is for a KeyPress or a KeyRelease event */
- if ((bind->release == B_UPON_KEYPRESS && key_release) ||
- (bind->release >= B_UPON_KEYRELEASE && !key_release))
- continue;
-
- /* If a symbol was specified by the user, we need to look in
- * the array of translated keycodes for the event’s keycode */
- if (bind->symbol != NULL) {
- if (memmem(bind->translated_to,
- bind->number_keycodes * sizeof(xcb_keycode_t),
- &keycode, sizeof(xcb_keycode_t)) != NULL)
- break;
- } else {
- /* This case is easier: The user specified a keycode */
- if (bind->keycode == keycode)
- break;
- }
- }
-
- return (bind == TAILQ_END(bindings) ? NULL : bind);
-}
-