| /* |
| * Copyright © 2011 Intel Corporation |
| * |
| * Permission to use, copy, modify, distribute, and sell this software and |
| * its documentation for any purpose is hereby granted without fee, provided |
| * that the above copyright notice appear in all copies and that both that |
| * copyright notice and this permission notice appear in supporting |
| * documentation, and that the name of the copyright holders not be used in |
| * advertising or publicity pertaining to distribution of the software |
| * without specific, written prior permission. The copyright holders make |
| * no representations about the suitability of this software for any |
| * purpose. It is provided "as is" without express or implied warranty. |
| * |
| * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS |
| * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND |
| * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY |
| * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER |
| * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF |
| * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
| * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| */ |
| |
| #include "config.h" |
| |
| #include <stdlib.h> |
| |
| #include "compositor.h" |
| |
| struct weston_binding { |
| uint32_t key; |
| uint32_t button; |
| uint32_t axis; |
| uint32_t modifier; |
| void *handler; |
| void *data; |
| struct wl_list link; |
| }; |
| |
| static struct weston_binding * |
| weston_compositor_add_binding(struct weston_compositor *compositor, |
| uint32_t key, uint32_t button, uint32_t axis, |
| uint32_t modifier, void *handler, void *data) |
| { |
| struct weston_binding *binding; |
| |
| binding = malloc(sizeof *binding); |
| if (binding == NULL) |
| return NULL; |
| |
| binding->key = key; |
| binding->button = button; |
| binding->axis = axis; |
| binding->modifier = modifier; |
| binding->handler = handler; |
| binding->data = data; |
| |
| return binding; |
| } |
| |
| WL_EXPORT struct weston_binding * |
| weston_compositor_add_key_binding(struct weston_compositor *compositor, |
| uint32_t key, uint32_t modifier, |
| weston_key_binding_handler_t handler, |
| void *data) |
| { |
| struct weston_binding *binding; |
| |
| binding = weston_compositor_add_binding(compositor, key, 0, 0, |
| modifier, handler, data); |
| if (binding == NULL) |
| return NULL; |
| |
| wl_list_insert(compositor->key_binding_list.prev, &binding->link); |
| |
| return binding; |
| } |
| |
| WL_EXPORT struct weston_binding * |
| weston_compositor_add_modifier_binding(struct weston_compositor *compositor, |
| uint32_t modifier, |
| weston_modifier_binding_handler_t handler, |
| void *data) |
| { |
| struct weston_binding *binding; |
| |
| binding = weston_compositor_add_binding(compositor, 0, 0, 0, |
| modifier, handler, data); |
| if (binding == NULL) |
| return NULL; |
| |
| wl_list_insert(compositor->modifier_binding_list.prev, &binding->link); |
| |
| return binding; |
| } |
| |
| WL_EXPORT struct weston_binding * |
| weston_compositor_add_button_binding(struct weston_compositor *compositor, |
| uint32_t button, uint32_t modifier, |
| weston_button_binding_handler_t handler, |
| void *data) |
| { |
| struct weston_binding *binding; |
| |
| binding = weston_compositor_add_binding(compositor, 0, button, 0, |
| modifier, handler, data); |
| if (binding == NULL) |
| return NULL; |
| |
| wl_list_insert(compositor->button_binding_list.prev, &binding->link); |
| |
| return binding; |
| } |
| |
| WL_EXPORT struct weston_binding * |
| weston_compositor_add_touch_binding(struct weston_compositor *compositor, |
| uint32_t modifier, |
| weston_touch_binding_handler_t handler, |
| void *data) |
| { |
| struct weston_binding *binding; |
| |
| binding = weston_compositor_add_binding(compositor, 0, 0, 0, |
| modifier, handler, data); |
| if (binding == NULL) |
| return NULL; |
| |
| wl_list_insert(compositor->touch_binding_list.prev, &binding->link); |
| |
| return binding; |
| } |
| |
| WL_EXPORT struct weston_binding * |
| weston_compositor_add_axis_binding(struct weston_compositor *compositor, |
| uint32_t axis, uint32_t modifier, |
| weston_axis_binding_handler_t handler, |
| void *data) |
| { |
| struct weston_binding *binding; |
| |
| binding = weston_compositor_add_binding(compositor, 0, 0, axis, |
| modifier, handler, data); |
| if (binding == NULL) |
| return NULL; |
| |
| wl_list_insert(compositor->axis_binding_list.prev, &binding->link); |
| |
| return binding; |
| } |
| |
| WL_EXPORT struct weston_binding * |
| weston_compositor_add_debug_binding(struct weston_compositor *compositor, |
| uint32_t key, |
| weston_key_binding_handler_t handler, |
| void *data) |
| { |
| struct weston_binding *binding; |
| |
| binding = weston_compositor_add_binding(compositor, key, 0, 0, 0, |
| handler, data); |
| |
| wl_list_insert(compositor->debug_binding_list.prev, &binding->link); |
| |
| return binding; |
| } |
| |
| WL_EXPORT void |
| weston_binding_destroy(struct weston_binding *binding) |
| { |
| wl_list_remove(&binding->link); |
| free(binding); |
| } |
| |
| WL_EXPORT void |
| weston_binding_list_destroy_all(struct wl_list *list) |
| { |
| struct weston_binding *binding, *tmp; |
| |
| wl_list_for_each_safe(binding, tmp, list, link) |
| weston_binding_destroy(binding); |
| } |
| |
| struct binding_keyboard_grab { |
| uint32_t key; |
| struct weston_keyboard_grab grab; |
| }; |
| |
| static void |
| binding_key(struct weston_keyboard_grab *grab, |
| uint32_t time, uint32_t key, uint32_t state_w) |
| { |
| struct binding_keyboard_grab *b = |
| container_of(grab, struct binding_keyboard_grab, grab); |
| struct wl_resource *resource; |
| enum wl_keyboard_key_state state = state_w; |
| uint32_t serial; |
| struct weston_keyboard *keyboard = grab->keyboard; |
| struct wl_display *display = keyboard->seat->compositor->wl_display; |
| |
| if (key == b->key) { |
| if (state == WL_KEYBOARD_KEY_STATE_RELEASED) { |
| weston_keyboard_end_grab(grab->keyboard); |
| if (keyboard->input_method_resource) |
| keyboard->grab = &keyboard->input_method_grab; |
| free(b); |
| } |
| } |
| if (!wl_list_empty(&keyboard->focus_resource_list)) { |
| serial = wl_display_next_serial(display); |
| wl_resource_for_each(resource, &keyboard->focus_resource_list) { |
| wl_keyboard_send_key(resource, |
| serial, |
| time, |
| key, |
| state); |
| } |
| } |
| } |
| |
| static void |
| binding_modifiers(struct weston_keyboard_grab *grab, uint32_t serial, |
| uint32_t mods_depressed, uint32_t mods_latched, |
| uint32_t mods_locked, uint32_t group) |
| { |
| struct wl_resource *resource; |
| |
| wl_resource_for_each(resource, &grab->keyboard->focus_resource_list) { |
| wl_keyboard_send_modifiers(resource, serial, mods_depressed, |
| mods_latched, mods_locked, group); |
| } |
| } |
| |
| static void |
| binding_cancel(struct weston_keyboard_grab *grab) |
| { |
| struct binding_keyboard_grab *binding_grab = |
| container_of(grab, struct binding_keyboard_grab, grab); |
| |
| weston_keyboard_end_grab(grab->keyboard); |
| free(binding_grab); |
| } |
| |
| static const struct weston_keyboard_grab_interface binding_grab = { |
| binding_key, |
| binding_modifiers, |
| binding_cancel, |
| }; |
| |
| static void |
| install_binding_grab(struct weston_seat *seat, uint32_t time, uint32_t key, |
| struct weston_surface *focus) |
| { |
| struct binding_keyboard_grab *grab; |
| |
| grab = malloc(sizeof *grab); |
| grab->key = key; |
| grab->grab.interface = &binding_grab; |
| weston_keyboard_start_grab(seat->keyboard, &grab->grab); |
| |
| /* Notify the surface which had the focus before this binding |
| * triggered that we stole a keypress from under it, by forcing |
| * a wl_keyboard leave/enter pair. The enter event will contain |
| * the pressed key in the keys array, so the client will know |
| * the exact state of the keyboard. |
| * If the old focus surface is different than the new one it |
| * means it was changed in the binding handler, so it received |
| * the enter event already. */ |
| if (focus && seat->keyboard->focus == focus) { |
| weston_keyboard_set_focus(seat->keyboard, NULL); |
| weston_keyboard_set_focus(seat->keyboard, focus); |
| } |
| } |
| |
| WL_EXPORT void |
| weston_compositor_run_key_binding(struct weston_compositor *compositor, |
| struct weston_seat *seat, |
| uint32_t time, uint32_t key, |
| enum wl_keyboard_key_state state) |
| { |
| struct weston_binding *b, *tmp; |
| struct weston_surface *focus; |
| |
| if (state == WL_KEYBOARD_KEY_STATE_RELEASED) |
| return; |
| |
| /* Invalidate all active modifier bindings. */ |
| wl_list_for_each(b, &compositor->modifier_binding_list, link) |
| b->key = key; |
| |
| wl_list_for_each_safe(b, tmp, &compositor->key_binding_list, link) { |
| if (b->key == key && b->modifier == seat->modifier_state) { |
| weston_key_binding_handler_t handler = b->handler; |
| focus = seat->keyboard->focus; |
| handler(seat, time, key, b->data); |
| |
| /* If this was a key binding and it didn't |
| * install a keyboard grab, install one now to |
| * swallow the key release. */ |
| if (seat->keyboard->grab == |
| &seat->keyboard->default_grab) |
| install_binding_grab(seat, time, key, focus); |
| } |
| } |
| } |
| |
| WL_EXPORT void |
| weston_compositor_run_modifier_binding(struct weston_compositor *compositor, |
| struct weston_seat *seat, |
| enum weston_keyboard_modifier modifier, |
| enum wl_keyboard_key_state state) |
| { |
| struct weston_binding *b, *tmp; |
| |
| if (seat->keyboard->grab != &seat->keyboard->default_grab) |
| return; |
| |
| wl_list_for_each_safe(b, tmp, &compositor->modifier_binding_list, link) { |
| weston_modifier_binding_handler_t handler = b->handler; |
| |
| if (b->modifier != modifier) |
| continue; |
| |
| /* Prime the modifier binding. */ |
| if (state == WL_KEYBOARD_KEY_STATE_PRESSED) { |
| b->key = 0; |
| continue; |
| } |
| /* Ignore the binding if a key was pressed in between. */ |
| else if (b->key != 0) { |
| return; |
| } |
| |
| handler(seat, modifier, b->data); |
| } |
| } |
| |
| WL_EXPORT void |
| weston_compositor_run_button_binding(struct weston_compositor *compositor, |
| struct weston_seat *seat, |
| uint32_t time, uint32_t button, |
| enum wl_pointer_button_state state) |
| { |
| struct weston_binding *b, *tmp; |
| |
| if (state == WL_POINTER_BUTTON_STATE_RELEASED) |
| return; |
| |
| /* Invalidate all active modifier bindings. */ |
| wl_list_for_each(b, &compositor->modifier_binding_list, link) |
| b->key = button; |
| |
| wl_list_for_each_safe(b, tmp, &compositor->button_binding_list, link) { |
| if (b->button == button && b->modifier == seat->modifier_state) { |
| weston_button_binding_handler_t handler = b->handler; |
| handler(seat, time, button, b->data); |
| } |
| } |
| } |
| |
| WL_EXPORT void |
| weston_compositor_run_touch_binding(struct weston_compositor *compositor, |
| struct weston_seat *seat, uint32_t time, |
| int touch_type) |
| { |
| struct weston_binding *b, *tmp; |
| |
| if (seat->touch->num_tp != 1 || touch_type != WL_TOUCH_DOWN) |
| return; |
| |
| wl_list_for_each_safe(b, tmp, &compositor->touch_binding_list, link) { |
| if (b->modifier == seat->modifier_state) { |
| weston_touch_binding_handler_t handler = b->handler; |
| handler(seat, time, b->data); |
| } |
| } |
| } |
| |
| WL_EXPORT int |
| weston_compositor_run_axis_binding(struct weston_compositor *compositor, |
| struct weston_seat *seat, |
| uint32_t time, uint32_t axis, |
| wl_fixed_t value) |
| { |
| struct weston_binding *b, *tmp; |
| |
| /* Invalidate all active modifier bindings. */ |
| wl_list_for_each(b, &compositor->modifier_binding_list, link) |
| b->key = axis; |
| |
| wl_list_for_each_safe(b, tmp, &compositor->axis_binding_list, link) { |
| if (b->axis == axis && b->modifier == seat->modifier_state) { |
| weston_axis_binding_handler_t handler = b->handler; |
| handler(seat, time, axis, value, b->data); |
| return 1; |
| } |
| } |
| |
| return 0; |
| } |
| |
| WL_EXPORT int |
| weston_compositor_run_debug_binding(struct weston_compositor *compositor, |
| struct weston_seat *seat, |
| uint32_t time, uint32_t key, |
| enum wl_keyboard_key_state state) |
| { |
| weston_key_binding_handler_t handler; |
| struct weston_binding *binding, *tmp; |
| int count = 0; |
| |
| wl_list_for_each_safe(binding, tmp, &compositor->debug_binding_list, link) { |
| if (key != binding->key) |
| continue; |
| |
| count++; |
| handler = binding->handler; |
| handler(seat, time, key, binding->data); |
| } |
| |
| return count; |
| } |