diff options
| -rw-r--r-- | src/compositor.c | 1167 | ||||
| -rw-r--r-- | src/compositor.h | 11 | ||||
| -rw-r--r-- | src/input.c | 1198 |
3 files changed, 1209 insertions, 1167 deletions
diff --git a/src/compositor.c b/src/compositor.c index cac7562d..e4b7db77 100644 --- a/src/compositor.c +++ b/src/compositor.c @@ -905,58 +905,6 @@ weston_compositor_get_time(void) return tv.tv_sec * 1000 + tv.tv_usec / 1000; } -static struct weston_surface * -weston_compositor_pick_surface(struct weston_compositor *compositor, - wl_fixed_t x, wl_fixed_t y, - wl_fixed_t *sx, wl_fixed_t *sy) -{ - struct weston_surface *surface; - - wl_list_for_each(surface, &compositor->surface_list, link) { - weston_surface_from_global_fixed(surface, x, y, sx, sy); - if (pixman_region32_contains_point(&surface->input, - wl_fixed_to_int(*sx), - wl_fixed_to_int(*sy), - NULL)) - return surface; - } - - return NULL; -} - -static void -weston_device_repick(struct weston_seat *seat) -{ - const struct wl_pointer_grab_interface *interface; - struct weston_surface *surface, *focus; - struct wl_pointer *pointer = seat->seat.pointer; - - if (!pointer) - return; - - surface = weston_compositor_pick_surface(seat->compositor, - pointer->x, - pointer->y, - &pointer->current_x, - &pointer->current_y); - - if (&surface->surface != pointer->current) { - interface = pointer->grab->interface; - wl_pointer_set_current(pointer, &surface->surface); - interface->focus(pointer->grab, &surface->surface, - pointer->current_x, - pointer->current_y); - } - - focus = (struct weston_surface *) pointer->grab->focus; - if (focus) - weston_surface_from_global_fixed(focus, - pointer->x, - pointer->y, - &pointer->grab->x, - &pointer->grab->y); -} - static void weston_compositor_repick(struct weston_compositor *compositor) { @@ -1707,20 +1655,6 @@ weston_compositor_sleep(struct weston_compositor *compositor) weston_compositor_dpms(compositor, WESTON_DPMS_OFF); } -static void -weston_compositor_idle_inhibit(struct weston_compositor *compositor) -{ - weston_compositor_wake(compositor); - compositor->idle_inhibit++; -} - -static void -weston_compositor_idle_release(struct weston_compositor *compositor) -{ - compositor->idle_inhibit--; - weston_compositor_wake(compositor); -} - static int idle_handler(void *data) { @@ -1762,634 +1696,6 @@ weston_compositor_stack_plane(struct weston_compositor *ec, wl_list_insert(&ec->plane_list, &plane->link); } -static void -weston_seat_update_drag_surface(struct weston_seat *seat, int dx, int dy); - -static void -clip_pointer_motion(struct weston_seat *seat, wl_fixed_t *fx, wl_fixed_t *fy) -{ - struct weston_compositor *ec = seat->compositor; - struct weston_output *output, *prev = NULL; - int x, y, old_x, old_y, valid = 0; - - x = wl_fixed_to_int(*fx); - y = wl_fixed_to_int(*fy); - old_x = wl_fixed_to_int(seat->seat.pointer->x); - old_y = wl_fixed_to_int(seat->seat.pointer->y); - - wl_list_for_each(output, &ec->output_list, link) { - if (pixman_region32_contains_point(&output->region, - x, y, NULL)) - valid = 1; - if (pixman_region32_contains_point(&output->region, - old_x, old_y, NULL)) - prev = output; - } - - if (!valid) { - if (x < prev->x) - *fx = wl_fixed_from_int(prev->x); - else if (x >= prev->x + prev->width) - *fx = wl_fixed_from_int(prev->x + - prev->width - 1); - if (y < prev->y) - *fy = wl_fixed_from_int(prev->y); - else if (y >= prev->y + prev->current->height) - *fy = wl_fixed_from_int(prev->y + - prev->height - 1); - } -} - -/* Takes absolute values */ -static void -move_pointer(struct weston_seat *seat, wl_fixed_t x, wl_fixed_t y) -{ - struct weston_compositor *ec = seat->compositor; - struct wl_pointer *pointer = seat->seat.pointer; - struct weston_output *output; - int32_t ix, iy; - - clip_pointer_motion(seat, &x, &y); - - weston_seat_update_drag_surface(seat, x - pointer->x, y - pointer->y); - - pointer->x = x; - pointer->y = y; - - ix = wl_fixed_to_int(x); - iy = wl_fixed_to_int(y); - - wl_list_for_each(output, &ec->output_list, link) - if (output->zoom.active && - pixman_region32_contains_point(&output->region, - ix, iy, NULL)) - weston_output_update_zoom(output, ZOOM_FOCUS_POINTER); - - weston_device_repick(seat); - - if (seat->sprite) { - weston_surface_set_position(seat->sprite, - ix - seat->hotspot_x, - iy - seat->hotspot_y); - weston_surface_schedule_repaint(seat->sprite); - } -} - -WL_EXPORT void -notify_motion(struct weston_seat *seat, - uint32_t time, wl_fixed_t dx, wl_fixed_t dy) -{ - const struct wl_pointer_grab_interface *interface; - struct weston_compositor *ec = seat->compositor; - struct wl_pointer *pointer = seat->seat.pointer; - - weston_compositor_wake(ec); - - move_pointer(seat, pointer->x + dx, pointer->y + dy); - - interface = pointer->grab->interface; - interface->motion(pointer->grab, time, - pointer->grab->x, pointer->grab->y); -} - -WL_EXPORT void -notify_motion_absolute(struct weston_seat *seat, - uint32_t time, wl_fixed_t x, wl_fixed_t y) -{ - const struct wl_pointer_grab_interface *interface; - struct weston_compositor *ec = seat->compositor; - struct wl_pointer *pointer = seat->seat.pointer; - - weston_compositor_wake(ec); - - move_pointer(seat, x, y); - - interface = pointer->grab->interface; - interface->motion(pointer->grab, time, - pointer->grab->x, pointer->grab->y); -} - -WL_EXPORT void -weston_surface_activate(struct weston_surface *surface, - struct weston_seat *seat) -{ - struct weston_compositor *compositor = seat->compositor; - - if (seat->seat.keyboard) { - weston_keyboard_set_focus(seat->seat.keyboard, &surface->surface); - wl_data_device_set_keyboard_focus(&seat->seat); - } - - wl_signal_emit(&compositor->activate_signal, surface); -} - -WL_EXPORT void -notify_button(struct weston_seat *seat, uint32_t time, int32_t button, - enum wl_pointer_button_state state) -{ - struct weston_compositor *compositor = seat->compositor; - struct wl_pointer *pointer = seat->seat.pointer; - struct weston_surface *focus = - (struct weston_surface *) pointer->focus; - uint32_t serial = wl_display_next_serial(compositor->wl_display); - - if (state == WL_POINTER_BUTTON_STATE_PRESSED) { - if (compositor->ping_handler && focus) - compositor->ping_handler(focus, serial); - weston_compositor_idle_inhibit(compositor); - if (pointer->button_count == 0) { - pointer->grab_button = button; - pointer->grab_time = time; - pointer->grab_x = pointer->x; - pointer->grab_y = pointer->y; - } - pointer->button_count++; - } else { - weston_compositor_idle_release(compositor); - pointer->button_count--; - } - - weston_compositor_run_button_binding(compositor, seat, time, button, - state); - - pointer->grab->interface->button(pointer->grab, time, button, state); - - if (pointer->button_count == 1) - pointer->grab_serial = - wl_display_get_serial(compositor->wl_display); -} - -WL_EXPORT void -notify_axis(struct weston_seat *seat, uint32_t time, uint32_t axis, - wl_fixed_t value) -{ - struct weston_compositor *compositor = seat->compositor; - struct wl_pointer *pointer = seat->seat.pointer; - struct weston_surface *focus = - (struct weston_surface *) pointer->focus; - uint32_t serial = wl_display_next_serial(compositor->wl_display); - - if (compositor->ping_handler && focus) - compositor->ping_handler(focus, serial); - - weston_compositor_wake(compositor); - - if (!value) - return; - - if (weston_compositor_run_axis_binding(compositor, seat, - time, axis, value)) - return; - - if (pointer->focus_resource) - wl_pointer_send_axis(pointer->focus_resource, time, axis, - value); -} - -WL_EXPORT void -notify_modifiers(struct weston_seat *seat, uint32_t serial) -{ - struct weston_keyboard *keyboard = &seat->keyboard; - struct weston_keyboard_grab *grab = keyboard->grab; - uint32_t mods_depressed, mods_latched, mods_locked, group; - uint32_t mods_lookup; - enum weston_led leds = 0; - int changed = 0; - - /* Serialize and update our internal state, checking to see if it's - * different to the previous state. */ - mods_depressed = xkb_state_serialize_mods(seat->xkb_state.state, - XKB_STATE_DEPRESSED); - mods_latched = xkb_state_serialize_mods(seat->xkb_state.state, - XKB_STATE_LATCHED); - mods_locked = xkb_state_serialize_mods(seat->xkb_state.state, - XKB_STATE_LOCKED); - group = xkb_state_serialize_group(seat->xkb_state.state, - XKB_STATE_EFFECTIVE); - - if (mods_depressed != seat->seat.keyboard->modifiers.mods_depressed || - mods_latched != seat->seat.keyboard->modifiers.mods_latched || - mods_locked != seat->seat.keyboard->modifiers.mods_locked || - group != seat->seat.keyboard->modifiers.group) - changed = 1; - - seat->seat.keyboard->modifiers.mods_depressed = mods_depressed; - seat->seat.keyboard->modifiers.mods_latched = mods_latched; - seat->seat.keyboard->modifiers.mods_locked = mods_locked; - seat->seat.keyboard->modifiers.group = group; - - /* And update the modifier_state for bindings. */ - mods_lookup = mods_depressed | mods_latched; - seat->modifier_state = 0; - if (mods_lookup & (1 << seat->xkb_info.ctrl_mod)) - seat->modifier_state |= MODIFIER_CTRL; - if (mods_lookup & (1 << seat->xkb_info.alt_mod)) - seat->modifier_state |= MODIFIER_ALT; - if (mods_lookup & (1 << seat->xkb_info.super_mod)) - seat->modifier_state |= MODIFIER_SUPER; - if (mods_lookup & (1 << seat->xkb_info.shift_mod)) - seat->modifier_state |= MODIFIER_SHIFT; - - /* Finally, notify the compositor that LEDs have changed. */ - if (xkb_state_led_index_is_active(seat->xkb_state.state, - seat->xkb_info.num_led)) - leds |= LED_NUM_LOCK; - if (xkb_state_led_index_is_active(seat->xkb_state.state, - seat->xkb_info.caps_led)) - leds |= LED_CAPS_LOCK; - if (xkb_state_led_index_is_active(seat->xkb_state.state, - seat->xkb_info.scroll_led)) - leds |= LED_SCROLL_LOCK; - if (leds != seat->xkb_state.leds && seat->led_update) - seat->led_update(seat, leds); - seat->xkb_state.leds = leds; - - if (changed) { - grab->interface->modifiers(grab, - serial, - keyboard->modifiers.mods_depressed, - keyboard->modifiers.mods_latched, - keyboard->modifiers.mods_locked, - keyboard->modifiers.group); - } -} - -static void -update_modifier_state(struct weston_seat *seat, uint32_t serial, uint32_t key, - enum wl_keyboard_key_state state) -{ - enum xkb_key_direction direction; - - if (state == WL_KEYBOARD_KEY_STATE_PRESSED) - direction = XKB_KEY_DOWN; - else - direction = XKB_KEY_UP; - - /* Offset the keycode by 8, as the evdev XKB rules reflect X's - * broken keycode system, which starts at 8. */ - xkb_state_update_key(seat->xkb_state.state, key + 8, direction); - - notify_modifiers(seat, serial); -} - -WL_EXPORT void -notify_key(struct weston_seat *seat, uint32_t time, uint32_t key, - enum wl_keyboard_key_state state, - enum weston_key_state_update update_state) -{ - struct weston_compositor *compositor = seat->compositor; - struct weston_keyboard *keyboard = &seat->keyboard; - struct weston_surface *focus = - (struct weston_surface *) keyboard->focus; - struct weston_keyboard_grab *grab = keyboard->grab; - uint32_t serial = wl_display_next_serial(compositor->wl_display); - uint32_t *k, *end; - - if (state == WL_KEYBOARD_KEY_STATE_PRESSED) { - if (compositor->ping_handler && focus) - compositor->ping_handler(focus, serial); - - weston_compositor_idle_inhibit(compositor); - keyboard->grab_key = key; - keyboard->grab_time = time; - } else { - weston_compositor_idle_release(compositor); - } - - end = keyboard->keys.data + keyboard->keys.size; - for (k = keyboard->keys.data; k < end; k++) { - if (*k == key) { - /* Ignore server-generated repeats. */ - if (state == WL_KEYBOARD_KEY_STATE_PRESSED) - return; - *k = *--end; - } - } - keyboard->keys.size = (void *) end - keyboard->keys.data; - if (state == WL_KEYBOARD_KEY_STATE_PRESSED) { - k = wl_array_add(&keyboard->keys, sizeof *k); - *k = key; - } - - if (grab == &keyboard->default_grab || - grab == &keyboard->input_method_grab) { - weston_compositor_run_key_binding(compositor, seat, time, key, - state); - grab = keyboard->grab; - } - - grab->interface->key(grab, time, key, state); - - if (update_state == STATE_UPDATE_AUTOMATIC) { - update_modifier_state(seat, - wl_display_get_serial(compositor->wl_display), - key, - state); - } -} - -WL_EXPORT void -notify_pointer_focus(struct weston_seat *seat, struct weston_output *output, - wl_fixed_t x, wl_fixed_t y) -{ - struct weston_compositor *compositor = seat->compositor; - - if (output) { - move_pointer(seat, x, y); - compositor->focus = 1; - } else { - compositor->focus = 0; - /* FIXME: We should call wl_pointer_set_focus(seat, - * NULL) here, but somehow that breaks re-entry... */ - } -} - -static void -destroy_device_saved_kbd_focus(struct wl_listener *listener, void *data) -{ - struct weston_seat *ws; - - ws = container_of(listener, struct weston_seat, - saved_kbd_focus_listener); - - ws->saved_kbd_focus = NULL; -} - -WL_EXPORT void -notify_keyboard_focus_in(struct weston_seat *seat, struct wl_array *keys, - enum weston_key_state_update update_state) -{ - struct weston_compositor *compositor = seat->compositor; - struct weston_keyboard *keyboard = seat->seat.keyboard; - struct wl_surface *surface; - uint32_t *k, serial; - - serial = wl_display_next_serial(compositor->wl_display); - wl_array_copy(&keyboard->keys, keys); - wl_array_for_each(k, &keyboard->keys) { - weston_compositor_idle_inhibit(compositor); - if (update_state == STATE_UPDATE_AUTOMATIC) - update_modifier_state(seat, serial, *k, - WL_KEYBOARD_KEY_STATE_PRESSED); - } - - /* Run key bindings after we've updated the state. */ - wl_array_for_each(k, &keyboard->keys) { - weston_compositor_run_key_binding(compositor, seat, 0, *k, - WL_KEYBOARD_KEY_STATE_PRESSED); - } - - surface = seat->saved_kbd_focus; - - if (surface) { - wl_list_remove(&seat->saved_kbd_focus_listener.link); - weston_keyboard_set_focus(keyboard, surface); - seat->saved_kbd_focus = NULL; - } -} - -WL_EXPORT void -notify_keyboard_focus_out(struct weston_seat *seat) -{ - struct weston_compositor *compositor = seat->compositor; - struct weston_keyboard *keyboard = seat->seat.keyboard; - uint32_t *k, serial; - - serial = wl_display_next_serial(compositor->wl_display); - wl_array_for_each(k, &keyboard->keys) { - weston_compositor_idle_release(compositor); - update_modifier_state(seat, serial, *k, - WL_KEYBOARD_KEY_STATE_RELEASED); - } - - seat->modifier_state = 0; - - if (keyboard->focus) { - seat->saved_kbd_focus = keyboard->focus; - seat->saved_kbd_focus_listener.notify = - destroy_device_saved_kbd_focus; - wl_signal_add(&keyboard->focus->resource.destroy_signal, - &seat->saved_kbd_focus_listener); - } - - weston_keyboard_set_focus(keyboard, NULL); - /* FIXME: We really need keyboard grab cancel here to - * let the grab shut down properly. As it is we leak - * the grab data. */ - weston_keyboard_end_grab(keyboard); -} - -static void -touch_set_focus(struct weston_seat *ws, struct wl_surface *surface) -{ - struct wl_seat *seat = &ws->seat; - struct wl_resource *resource; - - if (seat->touch->focus == surface) - return; - - if (seat->touch->focus_resource) - wl_list_remove(&seat->touch->focus_listener.link); - seat->touch->focus = NULL; - seat->touch->focus_resource = NULL; - - if (surface) { - resource = - find_resource_for_client(&seat->touch->resource_list, - surface->resource.client); - if (!resource) { - weston_log("couldn't find resource\n"); - return; - } - - seat->touch->focus = surface; - seat->touch->focus_resource = resource; - wl_signal_add(&resource->destroy_signal, - &seat->touch->focus_listener); - } -} - -/** - * notify_touch - emulates button touches and notifies surfaces accordingly. - * - * It assumes always the correct cycle sequence until it gets here: touch_down - * → touch_update → ... → touch_update → touch_end. The driver is responsible - * for sending along such order. - * - */ -WL_EXPORT void -notify_touch(struct weston_seat *seat, uint32_t time, int touch_id, - wl_fixed_t x, wl_fixed_t y, int touch_type) -{ - struct weston_compositor *ec = seat->compositor; - struct wl_touch *touch = seat->seat.touch; - struct wl_touch_grab *grab = touch->grab; - struct weston_surface *es; - wl_fixed_t sx, sy; - - /* Update grab's global coordinates. */ - touch->grab_x = x; - touch->grab_y = y; - - switch (touch_type) { - case WL_TOUCH_DOWN: - weston_compositor_idle_inhibit(ec); - - seat->num_tp++; - - /* the first finger down picks the surface, and all further go - * to that surface for the remainder of the touch session i.e. - * until all touch points are up again. */ - if (seat->num_tp == 1) { - es = weston_compositor_pick_surface(ec, x, y, &sx, &sy); - touch_set_focus(seat, &es->surface); - } else if (touch->focus) { - es = (struct weston_surface *) touch->focus; - weston_surface_from_global_fixed(es, x, y, &sx, &sy); - } else { - /* Unexpected condition: We have non-initial touch but - * there is no focused surface. - */ - weston_log("touch event received with %d points down" - "but no surface focused\n", seat->num_tp); - return; - } - - grab->interface->down(grab, time, touch_id, sx, sy); - break; - case WL_TOUCH_MOTION: - es = (struct weston_surface *) touch->focus; - if (!es) - break; - - weston_surface_from_global_fixed(es, x, y, &sx, &sy); - grab->interface->motion(grab, time, touch_id, sx, sy); - break; - case WL_TOUCH_UP: - weston_compositor_idle_release(ec); - seat->num_tp--; - - grab->interface->up(grab, time, touch_id); - if (seat->num_tp == 0) - touch_set_focus(seat, NULL); - break; - } -} - -static void -pointer_handle_sprite_destroy(struct wl_listener *listener, void *data) -{ - struct weston_seat *seat = container_of(listener, struct weston_seat, - sprite_destroy_listener); - - seat->sprite = NULL; -} - -static void -pointer_cursor_surface_configure(struct weston_surface *es, - int32_t dx, int32_t dy, int32_t width, int32_t height) -{ - struct weston_seat *seat = es->configure_private; - int x, y; - - if (width == 0) - return; - - assert(es == seat->sprite); - - seat->hotspot_x -= dx; - seat->hotspot_y -= dy; - - x = wl_fixed_to_int(seat->seat.pointer->x) - seat->hotspot_x; - y = wl_fixed_to_int(seat->seat.pointer->y) - seat->hotspot_y; - - weston_surface_configure(seat->sprite, x, y, - width, height); - - empty_region(&es->pending.input); - - if (!weston_surface_is_mapped(es)) { - wl_list_insert(&es->compositor->cursor_layer.surface_list, - &es->layer_link); - weston_surface_update_transform(es); - } -} - -static void -pointer_unmap_sprite(struct weston_seat *seat) -{ - if (weston_surface_is_mapped(seat->sprite)) - weston_surface_unmap(seat->sprite); - - wl_list_remove(&seat->sprite_destroy_listener.link); - seat->sprite->configure = NULL; - seat->sprite->configure_private = NULL; - seat->sprite = NULL; -} - -static void -pointer_set_cursor(struct wl_client *client, struct wl_resource *resource, - uint32_t serial, struct wl_resource *surface_resource, - int32_t x, int32_t y) -{ - struct weston_seat *seat = resource->data; - struct weston_surface *surface = NULL; - - if (surface_resource) - surface = surface_resource->data; - - if (seat->seat.pointer->focus == NULL) - return; - if (seat->seat.pointer->focus->resource.client != client) - return; - if (seat->seat.pointer->focus_serial - serial > UINT32_MAX / 2) - return; - - if (surface && surface != seat->sprite) { - if (surface->configure) { - wl_resource_post_error(&surface->surface.resource, - WL_DISPLAY_ERROR_INVALID_OBJECT, - "surface->configure already " - "set"); - return; - } - } - - if (seat->sprite) - pointer_unmap_sprite(seat); - - if (!surface) - return; - - wl_signal_add(&surface->surface.resource.destroy_signal, - &seat->sprite_destroy_listener); - - surface->configure = pointer_cursor_surface_configure; - surface->configure_private = seat; - seat->sprite = surface; - seat->hotspot_x = x; - seat->hotspot_y = y; - - if (surface->buffer_ref.buffer) - pointer_cursor_surface_configure(surface, 0, 0, weston_surface_buffer_width(surface), - weston_surface_buffer_height(surface)); -} - -static const struct wl_pointer_interface pointer_interface = { - pointer_set_cursor -}; - -static void -handle_drag_surface_destroy(struct wl_listener *listener, void *data) -{ - struct weston_seat *seat; - - seat = container_of(listener, struct weston_seat, - drag_surface_destroy_listener); - - seat->drag_surface = NULL; -} - static void unbind_resource(struct wl_resource *resource) { wl_list_remove(&resource->link); @@ -2397,479 +1703,6 @@ static void unbind_resource(struct wl_resource *resource) } static void -seat_get_pointer(struct wl_client *client, struct wl_resource *resource, - uint32_t id) -{ - struct weston_seat *seat = resource->data; - struct wl_resource *cr; - - if (!seat->seat.pointer) - return; - - cr = wl_client_add_object(client, &wl_pointer_interface, - &pointer_interface, id, seat); - wl_list_insert(&seat->seat.pointer->resource_list, &cr->link); - cr->destroy = unbind_resource; - - if (seat->seat.pointer->focus && - seat->seat.pointer->focus->resource.client == client) { - struct weston_surface *surface; - wl_fixed_t sx, sy; - - surface = (struct weston_surface *) seat->seat.pointer->focus; - weston_surface_from_global_fixed(surface, - seat->seat.pointer->x, - seat->seat.pointer->y, - &sx, - &sy); - wl_pointer_set_focus(seat->seat.pointer, - seat->seat.pointer->focus, - sx, - sy); - } -} - -static void -seat_get_keyboard(struct wl_client *client, struct wl_resource *resource, - uint32_t id) -{ - struct weston_seat *seat = resource->data; - struct wl_resource *cr; - - if (!seat->seat.keyboard) - return; - - cr = wl_client_add_object(client, &wl_keyboard_interface, NULL, id, - seat); - wl_list_insert(&seat->seat.keyboard->resource_list, &cr->link); - cr->destroy = unbind_resource; - - wl_keyboard_send_keymap(cr, WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1, - seat->xkb_info.keymap_fd, - seat->xkb_info.keymap_size); - - if (seat->seat.keyboard->focus && - seat->seat.keyboard->focus->resource.client == client) { - weston_keyboard_set_focus(seat->seat.keyboard, - seat->seat.keyboard->focus); - wl_data_device_set_keyboard_focus(&seat->seat); - } -} - -static void -seat_get_touch(struct wl_client *client, struct wl_resource *resource, - uint32_t id) -{ - struct weston_seat *seat = resource->data; - struct wl_resource *cr; - - if (!seat->seat.touch) - return; - - cr = wl_client_add_object(client, &wl_touch_interface, NULL, id, seat); - wl_list_insert(&seat->seat.touch->resource_list, &cr->link); - cr->destroy = unbind_resource; -} - -static const struct wl_seat_interface seat_interface = { - seat_get_pointer, - seat_get_keyboard, - seat_get_touch, -}; - -static void -bind_seat(struct wl_client *client, void *data, uint32_t version, uint32_t id) -{ - struct wl_seat *seat = data; - struct wl_resource *resource; - enum wl_seat_capability caps = 0; - - resource = wl_client_add_object(client, &wl_seat_interface, - &seat_interface, id, data); - wl_list_insert(&seat->base_resource_list, &resource->link); - resource->destroy = unbind_resource; - - if (seat->pointer) - caps |= WL_SEAT_CAPABILITY_POINTER; - if (seat->keyboard) - caps |= WL_SEAT_CAPABILITY_KEYBOARD; - if (seat->touch) - caps |= WL_SEAT_CAPABILITY_TOUCH; - - wl_seat_send_capabilities(resource, caps); -} - -static void -device_handle_new_drag_icon(struct wl_listener *listener, void *data) -{ - struct weston_seat *seat; - - seat = container_of(listener, struct weston_seat, - new_drag_icon_listener); - - weston_seat_update_drag_surface(seat, 0, 0); -} - -static int -weston_compositor_xkb_init(struct weston_compositor *ec, - struct xkb_rule_names *names) -{ - if (ec->xkb_context == NULL) { - ec->xkb_context = xkb_context_new(0); - if (ec->xkb_context == NULL) { - weston_log("failed to create XKB context\n"); - return -1; - } - } - - if (names) - ec->xkb_names = *names; - if (!ec->xkb_names.rules) - ec->xkb_names.rules = strdup("evdev"); - if (!ec->xkb_names.model) - ec->xkb_names.model = strdup("pc105"); - if (!ec->xkb_names.layout) - ec->xkb_names.layout = strdup("us"); - - return 0; -} - -static void xkb_info_destroy(struct weston_xkb_info *xkb_info) -{ - if (xkb_info->keymap) - xkb_map_unref(xkb_info->keymap); - - if (xkb_info->keymap_area) - munmap(xkb_info->keymap_area, xkb_info->keymap_size); - if (xkb_info->keymap_fd >= 0) - close(xkb_info->keymap_fd); -} - -static void weston_compositor_xkb_destroy(struct weston_compositor *ec) -{ - free((char *) ec->xkb_names.rules); - free((char *) ec->xkb_names.model); - free((char *) ec->xkb_names.layout); - free((char *) ec->xkb_names.variant); - free((char *) ec->xkb_names.options); - - xkb_info_destroy(&ec->xkb_info); - xkb_context_unref(ec->xkb_context); -} - -static int -weston_xkb_info_new_keymap(struct weston_xkb_info *xkb_info) -{ - char *keymap_str; - - xkb_info->shift_mod = xkb_map_mod_get_index(xkb_info->keymap, - XKB_MOD_NAME_SHIFT); - xkb_info->caps_mod = xkb_map_mod_get_index(xkb_info->keymap, - XKB_MOD_NAME_CAPS); - xkb_info->ctrl_mod = xkb_map_mod_get_index(xkb_info->keymap, - XKB_MOD_NAME_CTRL); - xkb_info->alt_mod = xkb_map_mod_get_index(xkb_info->keymap, - XKB_MOD_NAME_ALT); - xkb_info->mod2_mod = xkb_map_mod_get_index(xkb_info->keymap, "Mod2"); - xkb_info->mod3_mod = xkb_map_mod_get_index(xkb_info->keymap, "Mod3"); - xkb_info->super_mod = xkb_map_mod_get_index(xkb_info->keymap, - XKB_MOD_NAME_LOGO); - xkb_info->mod5_mod = xkb_map_mod_get_index(xkb_info->keymap, "Mod5"); - - xkb_info->num_led = xkb_map_led_get_index(xkb_info->keymap, - XKB_LED_NAME_NUM); - xkb_info->caps_led = xkb_map_led_get_index(xkb_info->keymap, - XKB_LED_NAME_CAPS); - xkb_info->scroll_led = xkb_map_led_get_index(xkb_info->keymap, - XKB_LED_NAME_SCROLL); - - keymap_str = xkb_map_get_as_string(xkb_info->keymap); - if (keymap_str == NULL) { - weston_log("failed to get string version of keymap\n"); - return -1; - } - xkb_info->keymap_size = strlen(keymap_str) + 1; - - xkb_info->keymap_fd = os_create_anonymous_file(xkb_info->keymap_size); - if (xkb_info->keymap_fd < 0) { - weston_log("creating a keymap file for %lu bytes failed: %m\n", - (unsigned long) xkb_info->keymap_size); - goto err_keymap_str; - } - - xkb_info->keymap_area = mmap(NULL, xkb_info->keymap_size, - PROT_READ | PROT_WRITE, - MAP_SHARED, xkb_info->keymap_fd, 0); - if (xkb_info->keymap_area == MAP_FAILED) { - weston_log("failed to mmap() %lu bytes\n", - (unsigned long) xkb_info->keymap_size); - goto err_dev_zero; - } - strcpy(xkb_info->keymap_area, keymap_str); - free(keymap_str); - - return 0; - -err_dev_zero: - close(xkb_info->keymap_fd); - xkb_info->keymap_fd = -1; -err_keymap_str: - free(keymap_str); - return -1; -} - -static int -weston_compositor_build_global_keymap(struct weston_compositor *ec) -{ - if (ec->xkb_info.keymap != NULL) - return 0; - - ec->xkb_info.keymap = xkb_map_new_from_names(ec->xkb_context, - &ec->xkb_names, - 0); - if (ec->xkb_info.keymap == NULL) { - weston_log("failed to compile global XKB keymap\n"); - weston_log(" tried rules %s, model %s, layout %s, variant %s, " - "options %s\n", - ec->xkb_names.rules, ec->xkb_names.model, - ec->xkb_names.layout, ec->xkb_names.variant, - ec->xkb_names.options); - return -1; - } - - if (weston_xkb_info_new_keymap(&ec->xkb_info) < 0) - return -1; - - return 0; -} - -WL_EXPORT int -weston_seat_init_keyboard(struct weston_seat *seat, struct xkb_keymap *keymap) -{ - if (seat->has_keyboard) - return 0; - - if (keymap != NULL) { - seat->xkb_info.keymap = xkb_map_ref(keymap); - if (weston_xkb_info_new_keymap(&seat->xkb_info) < 0) - return -1; - } else { - if (weston_compositor_build_global_keymap(seat->compositor) < 0) - return -1; - seat->xkb_info = seat->compositor->xkb_info; - seat->xkb_info.keymap = xkb_map_ref(seat->xkb_info.keymap); - } - - seat->xkb_state.state = xkb_state_new(seat->xkb_info.keymap); - if (seat->xkb_state.state == NULL) { - weston_log("failed to initialise XKB state\n"); - return -1; - } - - seat->xkb_state.leds = 0; - - weston_keyboard_init(&seat->keyboard); - wl_seat_set_keyboard(&seat->seat, &seat->keyboard); - - seat->has_keyboard = 1; - - return 0; -} - -WL_EXPORT void -weston_seat_init_pointer(struct weston_seat *seat) -{ - if (seat->has_pointer) - return; - - wl_pointer_init(&seat->pointer); - wl_seat_set_pointer(&seat->seat, &seat->pointer); - - seat->has_pointer = 1; -} - -WL_EXPORT void -weston_seat_init_touch(struct weston_seat *seat) -{ - if (seat->has_touch) - return; - - wl_touch_init(&seat->touch); - wl_seat_set_touch(&seat->seat, &seat->touch); - - seat->has_touch = 1; -} - -WL_EXPORT void -weston_seat_init(struct weston_seat *seat, struct weston_compositor *ec) -{ - wl_seat_init(&seat->seat); - seat->has_pointer = 0; - seat->has_keyboard = 0; - seat->has_touch = 0; - - wl_display_add_global(ec->wl_display, &wl_seat_interface, seat, - bind_seat); - - seat->sprite = NULL; - seat->sprite_destroy_listener.notify = pointer_handle_sprite_destroy; - - seat->compositor = ec; - seat->hotspot_x = 16; - seat->hotspot_y = 16; - seat->modifier_state = 0; - seat->num_tp = 0; - - seat->drag_surface_destroy_listener.notify = - handle_drag_surface_destroy; - - wl_list_insert(ec->seat_list.prev, &seat->link); - - seat->new_drag_icon_listener.notify = device_handle_new_drag_icon; - wl_signal_add(&seat->seat.drag_icon_signal, - &seat->new_drag_icon_listener); - - clipboard_create(seat); - - wl_signal_init(&seat->destroy_signal); - wl_signal_emit(&ec->seat_created_signal, seat); -} - -WL_EXPORT void -weston_seat_release(struct weston_seat *seat) -{ - wl_list_remove(&seat->link); - /* The global object is destroyed at wl_display_destroy() time. */ - - if (seat->sprite) - pointer_unmap_sprite(seat); - - if (seat->xkb_state.state != NULL) - xkb_state_unref(seat->xkb_state.state); - xkb_info_destroy(&seat->xkb_info); - - wl_seat_release(&seat->seat); - wl_signal_emit(&seat->destroy_signal, seat); -} - -static void -drag_surface_configure(struct weston_surface *es, int32_t sx, int32_t sy, int32_t width, int32_t height) -{ - empty_region(&es->pending.input); - - weston_surface_configure(es, - es->geometry.x + sx, es->geometry.y + sy, - width, height); -} - -static int -device_setup_new_drag_surface(struct weston_seat *ws, - struct weston_surface *surface) -{ - struct wl_seat *seat = &ws->seat; - - if (surface->configure) { - wl_resource_post_error(&surface->surface.resource, - WL_DISPLAY_ERROR_INVALID_OBJECT, - "surface->configure already set"); - return 0; - } - - ws->drag_surface = surface; - - weston_surface_set_position(ws->drag_surface, - wl_fixed_to_double(seat->pointer->x), - wl_fixed_to_double(seat->pointer->y)); - - surface->configure = drag_surface_configure; - - wl_signal_add(&surface->surface.resource.destroy_signal, - &ws->drag_surface_destroy_listener); - - return 1; -} - -static void -device_release_drag_surface(struct weston_seat *seat) -{ - if (weston_surface_is_mapped(seat->drag_surface)) - weston_surface_unmap(seat->drag_surface); - - seat->drag_surface->configure = NULL; - empty_region(&seat->drag_surface->pending.input); - wl_list_remove(&seat->drag_surface_destroy_listener.link); - seat->drag_surface = NULL; -} - -static void -device_map_drag_surface(struct weston_seat *seat) -{ - struct wl_list *list; - - if (weston_surface_is_mapped(seat->drag_surface) || - !seat->drag_surface->buffer_ref.buffer) - return; - - if (seat->sprite && weston_surface_is_mapped(seat->sprite)) - list = &seat->sprite->layer_link; - else - list = &seat->compositor->cursor_layer.surface_list; - - wl_list_insert(list, &seat->drag_surface->layer_link); - weston_surface_update_transform(seat->drag_surface); - empty_region(&seat->drag_surface->input); -} - -static void -weston_seat_update_drag_surface(struct weston_seat *seat, - int dx, int dy) -{ - int surface_changed = 0; - - if (!seat->drag_surface && !seat->seat.drag_surface) - return; - - if (seat->drag_surface && seat->seat.drag_surface && - (&seat->drag_surface->surface.resource != - &seat->seat.drag_surface->resource)) - /* between calls to this funcion we got a new drag_surface */ - surface_changed = 1; - - if (!seat->seat.drag_surface || surface_changed) { - device_release_drag_surface(seat); - if (!surface_changed) - return; - } - - if (!seat->drag_surface || surface_changed) { - struct weston_surface *surface = (struct weston_surface *) - seat->seat.drag_surface; - if (!device_setup_new_drag_surface(seat, surface)) - return; - } - - /* the client may not have attached a buffer to the drag surface - * when we setup it up, so check if map is needed on every update */ - device_map_drag_surface(seat); - - if (!dx && !dy) - return; - - weston_surface_set_position(seat->drag_surface, - seat->drag_surface->geometry.x + wl_fixed_to_double(dx), - seat->drag_surface->geometry.y + wl_fixed_to_double(dy)); -} - -WL_EXPORT void -weston_compositor_update_drag_surfaces(struct weston_compositor *compositor) -{ - struct weston_seat *seat; - - wl_list_for_each(seat, &compositor->seat_list, link) - weston_seat_update_drag_surface(seat, 0, 0); -} - -static void bind_output(struct wl_client *client, void *data, uint32_t version, uint32_t id) { diff --git a/src/compositor.h b/src/compositor.h index 56b72d82..a8691c4e 100644 --- a/src/compositor.h +++ b/src/compositor.h @@ -859,6 +859,10 @@ void weston_compositor_sleep(struct weston_compositor *compositor); void weston_compositor_update_drag_surfaces(struct weston_compositor *compositor); +struct weston_surface * +weston_compositor_pick_surface(struct weston_compositor *compositor, + wl_fixed_t x, wl_fixed_t y, + wl_fixed_t *sx, wl_fixed_t *sy); struct weston_binding; @@ -1001,9 +1005,16 @@ int weston_seat_init_keyboard(struct weston_seat *seat, struct xkb_keymap *keymap); void weston_seat_init_touch(struct weston_seat *seat); +void +weston_device_repick(struct weston_seat *seat); void weston_seat_release(struct weston_seat *seat); +int +weston_compositor_xkb_init(struct weston_compositor *ec, + struct xkb_rule_names *names); +void +weston_compositor_xkb_destroy(struct weston_compositor *ec); /* String literal of spaces, the same width as the timestamp. */ #define STAMP_SPACE " " diff --git a/src/input.c b/src/input.c index 852bb8ac..a0cebe82 100644 --- a/src/input.c +++ b/src/input.c @@ -23,9 +23,105 @@ #include <stdlib.h> #include <stdint.h> #include <string.h> +#include <sys/mman.h> +#include <assert.h> +#include <unistd.h> +#include "../shared/os-compatibility.h" #include "compositor.h" +static struct wl_resource * +find_resource_for_client(struct wl_list *list, struct wl_client *client) +{ + struct wl_resource *r; + + wl_list_for_each(r, list, link) { + if (r->client == client) + return r; + } + + return NULL; +} + +static void +empty_region(pixman_region32_t *region) +{ + pixman_region32_fini(region); + pixman_region32_init(region); +} + +static void unbind_resource(struct wl_resource *resource) +{ + wl_list_remove(&resource->link); + free(resource); +} + +struct weston_surface * +weston_compositor_pick_surface(struct weston_compositor *compositor, + wl_fixed_t x, wl_fixed_t y, + wl_fixed_t *sx, wl_fixed_t *sy) +{ + struct weston_surface *surface; + + wl_list_for_each(surface, &compositor->surface_list, link) { + weston_surface_from_global_fixed(surface, x, y, sx, sy); + if (pixman_region32_contains_point(&surface->input, + wl_fixed_to_int(*sx), + wl_fixed_to_int(*sy), + NULL)) + return surface; + } + + return NULL; +} + +void +weston_device_repick(struct weston_seat *seat) +{ + const struct wl_pointer_grab_interface *interface; + struct weston_surface *surface, *focus; + struct wl_pointer *pointer = seat->seat.pointer; + + if (!pointer) + return; + + surface = weston_compositor_pick_surface(seat->compositor, + pointer->x, + pointer->y, + &pointer->current_x, + &pointer->current_y); + + if (&surface->surface != pointer->current) { + interface = pointer->grab->interface; + wl_pointer_set_current(pointer, &surface->surface); + interface->focus(pointer->grab, &surface->surface, + pointer->current_x, + pointer->current_y); + } + + focus = (struct weston_surface *) pointer->grab->focus; + if (focus) + weston_surface_from_global_fixed(focus, + pointer->x, + pointer->y, + &pointer->grab->x, + &pointer->grab->y); +} + +static void +weston_compositor_idle_inhibit(struct weston_compositor *compositor) +{ + weston_compositor_wake(compositor); + compositor->idle_inhibit++; +} + +static void +weston_compositor_idle_release(struct weston_compositor *compositor) +{ + compositor->idle_inhibit--; + weston_compositor_wake(compositor); +} + static void lose_pointer_focus(struct wl_listener *listener, void *data) { @@ -552,3 +648,1105 @@ wl_touch_end_grab(struct wl_touch *touch) { touch->grab = &touch->default_grab; } + +static void +weston_seat_update_drag_surface(struct weston_seat *seat, int dx, int dy); + +static void +clip_pointer_motion(struct weston_seat *seat, wl_fixed_t *fx, wl_fixed_t *fy) +{ + struct weston_compositor *ec = seat->compositor; + struct weston_output *output, *prev = NULL; + int x, y, old_x, old_y, valid = 0; + + x = wl_fixed_to_int(*fx); + y = wl_fixed_to_int(*fy); + old_x = wl_fixed_to_int(seat->seat.pointer->x); + old_y = wl_fixed_to_int(seat->seat.pointer->y); + + wl_list_for_each(output, &ec->output_list, link) { + if (pixman_region32_contains_point(&output->region, + x, y, NULL)) + valid = 1; + if (pixman_region32_contains_point(&output->region, + old_x, old_y, NULL)) + prev = output; + } + + if (!valid) { + if (x < prev->x) + *fx = wl_fixed_from_int(prev->x); + else if (x >= prev->x + prev->width) + *fx = wl_fixed_from_int(prev->x + + prev->width - 1); + if (y < prev->y) + *fy = wl_fixed_from_int(prev->y); + else if (y >= prev->y + prev->current->height) + *fy = wl_fixed_from_int(prev->y + + prev->height - 1); + } +} + +/* Takes absolute values */ +static void +move_pointer(struct weston_seat *seat, wl_fixed_t x, wl_fixed_t y) +{ + struct weston_compositor *ec = seat->compositor; + struct wl_pointer *pointer = seat->seat.pointer; + struct weston_output *output; + int32_t ix, iy; + + clip_pointer_motion(seat, &x, &y); + + weston_seat_update_drag_surface(seat, x - pointer->x, y - pointer->y); + + pointer->x = x; + pointer->y = y; + + ix = wl_fixed_to_int(x); + iy = wl_fixed_to_int(y); + + wl_list_for_each(output, &ec->output_list, link) + if (output->zoom.active && + pixman_region32_contains_point(&output->region, + ix, iy, NULL)) + weston_output_update_zoom(output, ZOOM_FOCUS_POINTER); + + weston_device_repick(seat); + + if (seat->sprite) { + weston_surface_set_position(seat->sprite, + ix - seat->hotspot_x, + iy - seat->hotspot_y); + weston_surface_schedule_repaint(seat->sprite); + } +} + +WL_EXPORT void +notify_motion(struct weston_seat *seat, + uint32_t time, wl_fixed_t dx, wl_fixed_t dy) +{ + const struct wl_pointer_grab_interface *interface; + struct weston_compositor *ec = seat->compositor; + struct wl_pointer *pointer = seat->seat.pointer; + + weston_compositor_wake(ec); + + move_pointer(seat, pointer->x + dx, pointer->y + dy); + + interface = pointer->grab->interface; + interface->motion(pointer->grab, time, + pointer->grab->x, pointer->grab->y); +} + +WL_EXPORT void +notify_motion_absolute(struct weston_seat *seat, + uint32_t time, wl_fixed_t x, wl_fixed_t y) +{ + const struct wl_pointer_grab_interface *interface; + struct weston_compositor *ec = seat->compositor; + struct wl_pointer *pointer = seat->seat.pointer; + + weston_compositor_wake(ec); + + move_pointer(seat, x, y); + + interface = pointer->grab->interface; + interface->motion(pointer->grab, time, + pointer->grab->x, pointer->grab->y); +} + +WL_EXPORT void +weston_surface_activate(struct weston_surface *surface, + struct weston_seat *seat) +{ + struct weston_compositor *compositor = seat->compositor; + + if (seat->seat.keyboard) { + weston_keyboard_set_focus(seat->seat.keyboard, &surface->surface); + wl_data_device_set_keyboard_focus(&seat->seat); + } + + wl_signal_emit(&compositor->activate_signal, surface); +} + +WL_EXPORT void +notify_button(struct weston_seat *seat, uint32_t time, int32_t button, + enum wl_pointer_button_state state) +{ + struct weston_compositor *compositor = seat->compositor; + struct wl_pointer *pointer = seat->seat.pointer; + struct weston_surface *focus = + (struct weston_surface *) pointer->focus; + uint32_t serial = wl_display_next_serial(compositor->wl_display); + + if (state == WL_POINTER_BUTTON_STATE_PRESSED) { + if (compositor->ping_handler && focus) + compositor->ping_handler(focus, serial); + weston_compositor_idle_inhibit(compositor); + if (pointer->button_count == 0) { + pointer->grab_button = button; + pointer->grab_time = time; + pointer->grab_x = pointer->x; + pointer->grab_y = pointer->y; + } + pointer->button_count++; + } else { + weston_compositor_idle_release(compositor); + pointer->button_count--; + } + + weston_compositor_run_button_binding(compositor, seat, time, button, + state); + + pointer->grab->interface->button(pointer->grab, time, button, state); + + if (pointer->button_count == 1) + pointer->grab_serial = + wl_display_get_serial(compositor->wl_display); +} + +WL_EXPORT void +notify_axis(struct weston_seat *seat, uint32_t time, uint32_t axis, + wl_fixed_t value) +{ + struct weston_compositor *compositor = seat->compositor; + struct wl_pointer *pointer = seat->seat.pointer; + struct weston_surface *focus = + (struct weston_surface *) pointer->focus; + uint32_t serial = wl_display_next_serial(compositor->wl_display); + + if (compositor->ping_handler && focus) + compositor->ping_handler(focus, serial); + + weston_compositor_wake(compositor); + + if (!value) + return; + + if (weston_compositor_run_axis_binding(compositor, seat, + time, axis, value)) + return; + + if (pointer->focus_resource) + wl_pointer_send_axis(pointer->focus_resource, time, axis, + value); +} + +WL_EXPORT void +notify_modifiers(struct weston_seat *seat, uint32_t serial) +{ + struct weston_keyboard *keyboard = &seat->keyboard; + struct weston_keyboard_grab *grab = keyboard->grab; + uint32_t mods_depressed, mods_latched, mods_locked, group; + uint32_t mods_lookup; + enum weston_led leds = 0; + int changed = 0; + + /* Serialize and update our internal state, checking to see if it's + * different to the previous state. */ + mods_depressed = xkb_state_serialize_mods(seat->xkb_state.state, + XKB_STATE_DEPRESSED); + mods_latched = xkb_state_serialize_mods(seat->xkb_state.state, + XKB_STATE_LATCHED); + mods_locked = xkb_state_serialize_mods(seat->xkb_state.state, + XKB_STATE_LOCKED); + group = xkb_state_serialize_group(seat->xkb_state.state, + XKB_STATE_EFFECTIVE); + + if (mods_depressed != seat->seat.keyboard->modifiers.mods_depressed || + mods_latched != seat->seat.keyboard->modifiers.mods_latched || + mods_locked != seat->seat.keyboard->modifiers.mods_locked || + group != seat->seat.keyboard->modifiers.group) + changed = 1; + + seat->seat.keyboard->modifiers.mods_depressed = mods_depressed; + seat->seat.keyboard->modifiers.mods_latched = mods_latched; + seat->seat.keyboard->modifiers.mods_locked = mods_locked; + seat->seat.keyboard->modifiers.group = group; + + /* And update the modifier_state for bindings. */ + mods_lookup = mods_depressed | mods_latched; + seat->modifier_state = 0; + if (mods_lookup & (1 << seat->xkb_info.ctrl_mod)) + seat->modifier_state |= MODIFIER_CTRL; + if (mods_lookup & (1 << seat->xkb_info.alt_mod)) + seat->modifier_state |= MODIFIER_ALT; + if (mods_lookup & (1 << seat->xkb_info.super_mod)) + seat->modifier_state |= MODIFIER_SUPER; + if (mods_lookup & (1 << seat->xkb_info.shift_mod)) + seat->modifier_state |= MODIFIER_SHIFT; + + /* Finally, notify the compositor that LEDs have changed. */ + if (xkb_state_led_index_is_active(seat->xkb_state.state, + seat->xkb_info.num_led)) + leds |= LED_NUM_LOCK; + if (xkb_state_led_index_is_active(seat->xkb_state.state, + seat->xkb_info.caps_led)) + leds |= LED_CAPS_LOCK; + if (xkb_state_led_index_is_active(seat->xkb_state.state, + seat->xkb_info.scroll_led)) + leds |= LED_SCROLL_LOCK; + if (leds != seat->xkb_state.leds && seat->led_update) + seat->led_update(seat, leds); + seat->xkb_state.leds = leds; + + if (changed) { + grab->interface->modifiers(grab, + serial, + keyboard->modifiers.mods_depressed, + keyboard->modifiers.mods_latched, + keyboard->modifiers.mods_locked, + keyboard->modifiers.group); + } +} + +static void +update_modifier_state(struct weston_seat *seat, uint32_t serial, uint32_t key, + enum wl_keyboard_key_state state) +{ + enum xkb_key_direction direction; + + if (state == WL_KEYBOARD_KEY_STATE_PRESSED) + direction = XKB_KEY_DOWN; + else + direction = XKB_KEY_UP; + + /* Offset the keycode by 8, as the evdev XKB rules reflect X's + * broken keycode system, which starts at 8. */ + xkb_state_update_key(seat->xkb_state.state, key + 8, direction); + + notify_modifiers(seat, serial); +} + +WL_EXPORT void +notify_key(struct weston_seat *seat, uint32_t time, uint32_t key, + enum wl_keyboard_key_state state, + enum weston_key_state_update update_state) +{ + struct weston_compositor *compositor = seat->compositor; + struct weston_keyboard *keyboard = &seat->keyboard; + struct weston_surface *focus = + (struct weston_surface *) keyboard->focus; + struct weston_keyboard_grab *grab = keyboard->grab; + uint32_t serial = wl_display_next_serial(compositor->wl_display); + uint32_t *k, *end; + + if (state == WL_KEYBOARD_KEY_STATE_PRESSED) { + if (compositor->ping_handler && focus) + compositor->ping_handler(focus, serial); + + weston_compositor_idle_inhibit(compositor); + keyboard->grab_key = key; + keyboard->grab_time = time; + } else { + weston_compositor_idle_release(compositor); + } + + end = keyboard->keys.data + keyboard->keys.size; + for (k = keyboard->keys.data; k < end; k++) { + if (*k == key) { + /* Ignore server-generated repeats. */ + if (state == WL_KEYBOARD_KEY_STATE_PRESSED) + return; + *k = *--end; + } + } + keyboard->keys.size = (void *) end - keyboard->keys.data; + if (state == WL_KEYBOARD_KEY_STATE_PRESSED) { + k = wl_array_add(&keyboard->keys, sizeof *k); + *k = key; + } + + if (grab == &keyboard->default_grab || + grab == &keyboard->input_method_grab) { + weston_compositor_run_key_binding(compositor, seat, time, key, + state); + grab = keyboard->grab; + } + + grab->interface->key(grab, time, key, state); + + if (update_state == STATE_UPDATE_AUTOMATIC) { + update_modifier_state(seat, + wl_display_get_serial(compositor->wl_display), + key, + state); + } +} + +WL_EXPORT void +notify_pointer_focus(struct weston_seat *seat, struct weston_output *output, + wl_fixed_t x, wl_fixed_t y) +{ + struct weston_compositor *compositor = seat->compositor; + + if (output) { + move_pointer(seat, x, y); + compositor->focus = 1; + } else { + compositor->focus = 0; + /* FIXME: We should call wl_pointer_set_focus(seat, + * NULL) here, but somehow that breaks re-entry... */ + } +} + +static void +destroy_device_saved_kbd_focus(struct wl_listener *listener, void *data) +{ + struct weston_seat *ws; + + ws = container_of(listener, struct weston_seat, + saved_kbd_focus_listener); + + ws->saved_kbd_focus = NULL; +} + +WL_EXPORT void +notify_keyboard_focus_in(struct weston_seat *seat, struct wl_array *keys, + enum weston_key_state_update update_state) +{ + struct weston_compositor *compositor = seat->compositor; + struct weston_keyboard *keyboard = seat->seat.keyboard; + struct wl_surface *surface; + uint32_t *k, serial; + + serial = wl_display_next_serial(compositor->wl_display); + wl_array_copy(&keyboard->keys, keys); + wl_array_for_each(k, &keyboard->keys) { + weston_compositor_idle_inhibit(compositor); + if (update_state == STATE_UPDATE_AUTOMATIC) + update_modifier_state(seat, serial, *k, + WL_KEYBOARD_KEY_STATE_PRESSED); + } + + /* Run key bindings after we've updated the state. */ + wl_array_for_each(k, &keyboard->keys) { + weston_compositor_run_key_binding(compositor, seat, 0, *k, + WL_KEYBOARD_KEY_STATE_PRESSED); + } + + surface = seat->saved_kbd_focus; + + if (surface) { + wl_list_remove(&seat->saved_kbd_focus_listener.link); + weston_keyboard_set_focus(keyboard, surface); + seat->saved_kbd_focus = NULL; + } +} + +WL_EXPORT void +notify_keyboard_focus_out(struct weston_seat *seat) +{ + struct weston_compositor *compositor = seat->compositor; + struct weston_keyboard *keyboard = seat->seat.keyboard; + uint32_t *k, serial; + + serial = wl_display_next_serial(compositor->wl_display); + wl_array_for_each(k, &keyboard->keys) { + weston_compositor_idle_release(compositor); + update_modifier_state(seat, serial, *k, + WL_KEYBOARD_KEY_STATE_RELEASED); + } + + seat->modifier_state = 0; + + if (keyboard->focus) { + seat->saved_kbd_focus = keyboard->focus; + seat->saved_kbd_focus_listener.notify = + destroy_device_saved_kbd_focus; + wl_signal_add(&keyboard->focus->resource.destroy_signal, + &seat->saved_kbd_focus_listener); + } + + weston_keyboard_set_focus(keyboard, NULL); + /* FIXME: We really need keyboard grab cancel here to + * let the grab shut down properly. As it is we leak + * the grab data. */ + weston_keyboard_end_grab(keyboard); +} + +static void +touch_set_focus(struct weston_seat *ws, struct wl_surface *surface) +{ + struct wl_seat *seat = &ws->seat; + struct wl_resource *resource; + + if (seat->touch->focus == surface) + return; + + if (seat->touch->focus_resource) + wl_list_remove(&seat->touch->focus_listener.link); + seat->touch->focus = NULL; + seat->touch->focus_resource = NULL; + + if (surface) { + resource = + find_resource_for_client(&seat->touch->resource_list, + surface->resource.client); + if (!resource) { + weston_log("couldn't find resource\n"); + return; + } + + seat->touch->focus = surface; + seat->touch->focus_resource = resource; + wl_signal_add(&resource->destroy_signal, + &seat->touch->focus_listener); + } +} + +/** + * notify_touch - emulates button touches and notifies surfaces accordingly. + * + * It assumes always the correct cycle sequence until it gets here: touch_down + * → touch_update → ... → touch_update → touch_end. The driver is responsible + * for sending along such order. + * + */ +WL_EXPORT void +notify_touch(struct weston_seat *seat, uint32_t time, int touch_id, + wl_fixed_t x, wl_fixed_t y, int touch_type) +{ + struct weston_compositor *ec = seat->compositor; + struct wl_touch *touch = seat->seat.touch; + struct wl_touch_grab *grab = touch->grab; + struct weston_surface *es; + wl_fixed_t sx, sy; + + /* Update grab's global coordinates. */ + touch->grab_x = x; + touch->grab_y = y; + + switch (touch_type) { + case WL_TOUCH_DOWN: + weston_compositor_idle_inhibit(ec); + + seat->num_tp++; + + /* the first finger down picks the surface, and all further go + * to that surface for the remainder of the touch session i.e. + * until all touch points are up again. */ + if (seat->num_tp == 1) { + es = weston_compositor_pick_surface(ec, x, y, &sx, &sy); + touch_set_focus(seat, &es->surface); + } else if (touch->focus) { + es = (struct weston_surface *) touch->focus; + weston_surface_from_global_fixed(es, x, y, &sx, &sy); + } else { + /* Unexpected condition: We have non-initial touch but + * there is no focused surface. + */ + weston_log("touch event received with %d points down" + "but no surface focused\n", seat->num_tp); + return; + } + + grab->interface->down(grab, time, touch_id, sx, sy); + break; + case WL_TOUCH_MOTION: + es = (struct weston_surface *) touch->focus; + if (!es) + break; + + weston_surface_from_global_fixed(es, x, y, &sx, &sy); + grab->interface->motion(grab, time, touch_id, sx, sy); + break; + case WL_TOUCH_UP: + weston_compositor_idle_release(ec); + seat->num_tp--; + + grab->interface->up(grab, time, touch_id); + if (seat->num_tp == 0) + touch_set_focus(seat, NULL); + break; + } +} + +static void +pointer_handle_sprite_destroy(struct wl_listener *listener, void *data) +{ + struct weston_seat *seat = container_of(listener, struct weston_seat, + sprite_destroy_listener); + + seat->sprite = NULL; +} + +static void +pointer_cursor_surface_configure(struct weston_surface *es, + int32_t dx, int32_t dy, int32_t width, int32_t height) +{ + struct weston_seat *seat = es->configure_private; + int x, y; + + if (width == 0) + return; + + assert(es == seat->sprite); + + seat->hotspot_x -= dx; + seat->hotspot_y -= dy; + + x = wl_fixed_to_int(seat->seat.pointer->x) - seat->hotspot_x; + y = wl_fixed_to_int(seat->seat.pointer->y) - seat->hotspot_y; + + weston_surface_configure(seat->sprite, x, y, + width, height); + + empty_region(&es->pending.input); + + if (!weston_surface_is_mapped(es)) { + wl_list_insert(&es->compositor->cursor_layer.surface_list, + &es->layer_link); + weston_surface_update_transform(es); + } +} + +static void +pointer_unmap_sprite(struct weston_seat *seat) +{ + if (weston_surface_is_mapped(seat->sprite)) + weston_surface_unmap(seat->sprite); + + wl_list_remove(&seat->sprite_destroy_listener.link); + seat->sprite->configure = NULL; + seat->sprite->configure_private = NULL; + seat->sprite = NULL; +} + +static void +pointer_set_cursor(struct wl_client *client, struct wl_resource *resource, + uint32_t serial, struct wl_resource *surface_resource, + int32_t x, int32_t y) +{ + struct weston_seat *seat = resource->data; + struct weston_surface *surface = NULL; + + if (surface_resource) + surface = surface_resource->data; + + if (seat->seat.pointer->focus == NULL) + return; + if (seat->seat.pointer->focus->resource.client != client) + return; + if (seat->seat.pointer->focus_serial - serial > UINT32_MAX / 2) + return; + + if (surface && surface != seat->sprite) { + if (surface->configure) { + wl_resource_post_error(&surface->surface.resource, + WL_DISPLAY_ERROR_INVALID_OBJECT, + "surface->configure already " + "set"); + return; + } + } + + if (seat->sprite) + pointer_unmap_sprite(seat); + + if (!surface) + return; + + wl_signal_add(&surface->surface.resource.destroy_signal, + &seat->sprite_destroy_listener); + + surface->configure = pointer_cursor_surface_configure; + surface->configure_private = seat; + seat->sprite = surface; + seat->hotspot_x = x; + seat->hotspot_y = y; + + if (surface->buffer_ref.buffer) + pointer_cursor_surface_configure(surface, 0, 0, weston_surface_buffer_width(surface), + weston_surface_buffer_height(surface)); +} + +static const struct wl_pointer_interface pointer_interface = { + pointer_set_cursor +}; + +static void +handle_drag_surface_destroy(struct wl_listener *listener, void *data) +{ + struct weston_seat *seat; + + seat = container_of(listener, struct weston_seat, + drag_surface_destroy_listener); + + seat->drag_surface = NULL; +} + +static void +seat_get_pointer(struct wl_client *client, struct wl_resource *resource, + uint32_t id) +{ + struct weston_seat *seat = resource->data; + struct wl_resource *cr; + + if (!seat->seat.pointer) + return; + + cr = wl_client_add_object(client, &wl_pointer_interface, + &pointer_interface, id, seat); + wl_list_insert(&seat->seat.pointer->resource_list, &cr->link); + cr->destroy = unbind_resource; + + if (seat->seat.pointer->focus && + seat->seat.pointer->focus->resource.client == client) { + struct weston_surface *surface; + wl_fixed_t sx, sy; + + surface = (struct weston_surface *) seat->seat.pointer->focus; + weston_surface_from_global_fixed(surface, + seat->seat.pointer->x, + seat->seat.pointer->y, + &sx, + &sy); + wl_pointer_set_focus(seat->seat.pointer, + seat->seat.pointer->focus, + sx, + sy); + } +} + +static void +seat_get_keyboard(struct wl_client *client, struct wl_resource *resource, + uint32_t id) +{ + struct weston_seat *seat = resource->data; + struct wl_resource *cr; + + if (!seat->seat.keyboard) + return; + + cr = wl_client_add_object(client, &wl_keyboard_interface, NULL, id, + seat); + wl_list_insert(&seat->seat.keyboard->resource_list, &cr->link); + cr->destroy = unbind_resource; + + wl_keyboard_send_keymap(cr, WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1, + seat->xkb_info.keymap_fd, + seat->xkb_info.keymap_size); + + if (seat->seat.keyboard->focus && + seat->seat.keyboard->focus->resource.client == client) { + weston_keyboard_set_focus(seat->seat.keyboard, + seat->seat.keyboard->focus); + wl_data_device_set_keyboard_focus(&seat->seat); + } +} + +static void +seat_get_touch(struct wl_client *client, struct wl_resource *resource, + uint32_t id) +{ + struct weston_seat *seat = resource->data; + struct wl_resource *cr; + + if (!seat->seat.touch) + return; + + cr = wl_client_add_object(client, &wl_touch_interface, NULL, id, seat); + wl_list_insert(&seat->seat.touch->resource_list, &cr->link); + cr->destroy = unbind_resource; +} + +static const struct wl_seat_interface seat_interface = { + seat_get_pointer, + seat_get_keyboard, + seat_get_touch, +}; + +static void +bind_seat(struct wl_client *client, void *data, uint32_t version, uint32_t id) +{ + struct wl_seat *seat = data; + struct wl_resource *resource; + enum wl_seat_capability caps = 0; + + resource = wl_client_add_object(client, &wl_seat_interface, + &seat_interface, id, data); + wl_list_insert(&seat->base_resource_list, &resource->link); + resource->destroy = unbind_resource; + + if (seat->pointer) + caps |= WL_SEAT_CAPABILITY_POINTER; + if (seat->keyboard) + caps |= WL_SEAT_CAPABILITY_KEYBOARD; + if (seat->touch) + caps |= WL_SEAT_CAPABILITY_TOUCH; + + wl_seat_send_capabilities(resource, caps); +} + +static void +device_handle_new_drag_icon(struct wl_listener *listener, void *data) +{ + struct weston_seat *seat; + + seat = container_of(listener, struct weston_seat, + new_drag_icon_listener); + + weston_seat_update_drag_surface(seat, 0, 0); +} + +int +weston_compositor_xkb_init(struct weston_compositor *ec, + struct xkb_rule_names *names) +{ + if (ec->xkb_context == NULL) { + ec->xkb_context = xkb_context_new(0); + if (ec->xkb_context == NULL) { + weston_log("failed to create XKB context\n"); + return -1; + } + } + + if (names) + ec->xkb_names = *names; + if (!ec->xkb_names.rules) + ec->xkb_names.rules = strdup("evdev"); + if (!ec->xkb_names.model) + ec->xkb_names.model = strdup("pc105"); + if (!ec->xkb_names.layout) + ec->xkb_names.layout = strdup("us"); + + return 0; +} + +static void xkb_info_destroy(struct weston_xkb_info *xkb_info) +{ + if (xkb_info->keymap) + xkb_map_unref(xkb_info->keymap); + + if (xkb_info->keymap_area) + munmap(xkb_info->keymap_area, xkb_info->keymap_size); + if (xkb_info->keymap_fd >= 0) + close(xkb_info->keymap_fd); +} + +void +weston_compositor_xkb_destroy(struct weston_compositor *ec) +{ + free((char *) ec->xkb_names.rules); + free((char *) ec->xkb_names.model); + free((char *) ec->xkb_names.layout); + free((char *) ec->xkb_names.variant); + free((char *) ec->xkb_names.options); + + xkb_info_destroy(&ec->xkb_info); + xkb_context_unref(ec->xkb_context); +} + +static int +weston_xkb_info_new_keymap(struct weston_xkb_info *xkb_info) +{ + char *keymap_str; + + xkb_info->shift_mod = xkb_map_mod_get_index(xkb_info->keymap, + XKB_MOD_NAME_SHIFT); + xkb_info->caps_mod = xkb_map_mod_get_index(xkb_info->keymap, + XKB_MOD_NAME_CAPS); + xkb_info->ctrl_mod = xkb_map_mod_get_index(xkb_info->keymap, + XKB_MOD_NAME_CTRL); + xkb_info->alt_mod = xkb_map_mod_get_index(xkb_info->keymap, + XKB_MOD_NAME_ALT); + xkb_info->mod2_mod = xkb_map_mod_get_index(xkb_info->keymap, "Mod2"); + xkb_info->mod3_mod = xkb_map_mod_get_index(xkb_info->keymap, "Mod3"); + xkb_info->super_mod = xkb_map_mod_get_index(xkb_info->keymap, + XKB_MOD_NAME_LOGO); + xkb_info->mod5_mod = xkb_map_mod_get_index(xkb_info->keymap, "Mod5"); + + xkb_info->num_led = xkb_map_led_get_index(xkb_info->keymap, + XKB_LED_NAME_NUM); + xkb_info->caps_led = xkb_map_led_get_index(xkb_info->keymap, + XKB_LED_NAME_CAPS); + xkb_info->scroll_led = xkb_map_led_get_index(xkb_info->keymap, + XKB_LED_NAME_SCROLL); + + keymap_str = xkb_map_get_as_string(xkb_info->keymap); + if (keymap_str == NULL) { + weston_log("failed to get string version of keymap\n"); + return -1; + } + xkb_info->keymap_size = strlen(keymap_str) + 1; + + xkb_info->keymap_fd = os_create_anonymous_file(xkb_info->keymap_size); + if (xkb_info->keymap_fd < 0) { + weston_log("creating a keymap file for %lu bytes failed: %m\n", + (unsigned long) xkb_info->keymap_size); + goto err_keymap_str; + } + + xkb_info->keymap_area = mmap(NULL, xkb_info->keymap_size, + PROT_READ | PROT_WRITE, + MAP_SHARED, xkb_info->keymap_fd, 0); + if (xkb_info->keymap_area == MAP_FAILED) { + weston_log("failed to mmap() %lu bytes\n", + (unsigned long) xkb_info->keymap_size); + goto err_dev_zero; + } + strcpy(xkb_info->keymap_area, keymap_str); + free(keymap_str); + + return 0; + +err_dev_zero: + close(xkb_info->keymap_fd); + xkb_info->keymap_fd = -1; +err_keymap_str: + free(keymap_str); + return -1; +} + +static int +weston_compositor_build_global_keymap(struct weston_compositor *ec) +{ + if (ec->xkb_info.keymap != NULL) + return 0; + + ec->xkb_info.keymap = xkb_map_new_from_names(ec->xkb_context, + &ec->xkb_names, + 0); + if (ec->xkb_info.keymap == NULL) { + weston_log("failed to compile global XKB keymap\n"); + weston_log(" tried rules %s, model %s, layout %s, variant %s, " + "options %s\n", + ec->xkb_names.rules, ec->xkb_names.model, + ec->xkb_names.layout, ec->xkb_names.variant, + ec->xkb_names.options); + return -1; + } + + if (weston_xkb_info_new_keymap(&ec->xkb_info) < 0) + return -1; + + return 0; +} + +WL_EXPORT int +weston_seat_init_keyboard(struct weston_seat *seat, struct xkb_keymap *keymap) +{ + if (seat->has_keyboard) + return 0; + + if (keymap != NULL) { + seat->xkb_info.keymap = xkb_map_ref(keymap); + if (weston_xkb_info_new_keymap(&seat->xkb_info) < 0) + return -1; + } else { + if (weston_compositor_build_global_keymap(seat->compositor) < 0) + return -1; + seat->xkb_info = seat->compositor->xkb_info; + seat->xkb_info.keymap = xkb_map_ref(seat->xkb_info.keymap); + } + + seat->xkb_state.state = xkb_state_new(seat->xkb_info.keymap); + if (seat->xkb_state.state == NULL) { + weston_log("failed to initialise XKB state\n"); + return -1; + } + + seat->xkb_state.leds = 0; + + weston_keyboard_init(&seat->keyboard); + wl_seat_set_keyboard(&seat->seat, &seat->keyboard); + + seat->has_keyboard = 1; + + return 0; +} + +WL_EXPORT void +weston_seat_init_pointer(struct weston_seat *seat) +{ + if (seat->has_pointer) + return; + + wl_pointer_init(&seat->pointer); + wl_seat_set_pointer(&seat->seat, &seat->pointer); + + seat->has_pointer = 1; +} + +WL_EXPORT void +weston_seat_init_touch(struct weston_seat *seat) +{ + if (seat->has_touch) + return; + + wl_touch_init(&seat->touch); + wl_seat_set_touch(&seat->seat, &seat->touch); + + seat->has_touch = 1; +} + +WL_EXPORT void +weston_seat_init(struct weston_seat *seat, struct weston_compositor *ec) +{ + wl_seat_init(&seat->seat); + seat->has_pointer = 0; + seat->has_keyboard = 0; + seat->has_touch = 0; + + wl_display_add_global(ec->wl_display, &wl_seat_interface, seat, + bind_seat); + + seat->sprite = NULL; + seat->sprite_destroy_listener.notify = pointer_handle_sprite_destroy; + + seat->compositor = ec; + seat->hotspot_x = 16; + seat->hotspot_y = 16; + seat->modifier_state = 0; + seat->num_tp = 0; + + seat->drag_surface_destroy_listener.notify = + handle_drag_surface_destroy; + + wl_list_insert(ec->seat_list.prev, &seat->link); + + seat->new_drag_icon_listener.notify = device_handle_new_drag_icon; + wl_signal_add(&seat->seat.drag_icon_signal, + &seat->new_drag_icon_listener); + + clipboard_create(seat); + + wl_signal_init(&seat->destroy_signal); + wl_signal_emit(&ec->seat_created_signal, seat); +} + +WL_EXPORT void +weston_seat_release(struct weston_seat *seat) +{ + wl_list_remove(&seat->link); + /* The global object is destroyed at wl_display_destroy() time. */ + + if (seat->sprite) + pointer_unmap_sprite(seat); + + if (seat->xkb_state.state != NULL) + xkb_state_unref(seat->xkb_state.state); + xkb_info_destroy(&seat->xkb_info); + + wl_seat_release(&seat->seat); + wl_signal_emit(&seat->destroy_signal, seat); +} + +static void +drag_surface_configure(struct weston_surface *es, int32_t sx, int32_t sy, int32_t width, int32_t height) +{ + empty_region(&es->pending.input); + + weston_surface_configure(es, + es->geometry.x + sx, es->geometry.y + sy, + width, height); +} + +static int +device_setup_new_drag_surface(struct weston_seat *ws, + struct weston_surface *surface) +{ + struct wl_seat *seat = &ws->seat; + + if (surface->configure) { + wl_resource_post_error(&surface->surface.resource, + WL_DISPLAY_ERROR_INVALID_OBJECT, + "surface->configure already set"); + return 0; + } + + ws->drag_surface = surface; + + weston_surface_set_position(ws->drag_surface, + wl_fixed_to_double(seat->pointer->x), + wl_fixed_to_double(seat->pointer->y)); + + surface->configure = drag_surface_configure; + + wl_signal_add(&surface->surface.resource.destroy_signal, + &ws->drag_surface_destroy_listener); + + return 1; +} + +static void +device_release_drag_surface(struct weston_seat *seat) +{ + if (weston_surface_is_mapped(seat->drag_surface)) + weston_surface_unmap(seat->drag_surface); + + seat->drag_surface->configure = NULL; + empty_region(&seat->drag_surface->pending.input); + wl_list_remove(&seat->drag_surface_destroy_listener.link); + seat->drag_surface = NULL; +} + +static void +device_map_drag_surface(struct weston_seat *seat) +{ + struct wl_list *list; + + if (weston_surface_is_mapped(seat->drag_surface) || + !seat->drag_surface->buffer_ref.buffer) + return; + + if (seat->sprite && weston_surface_is_mapped(seat->sprite)) + list = &seat->sprite->layer_link; + else + list = &seat->compositor->cursor_layer.surface_list; + + wl_list_insert(list, &seat->drag_surface->layer_link); + weston_surface_update_transform(seat->drag_surface); + empty_region(&seat->drag_surface->input); +} + +static void +weston_seat_update_drag_surface(struct weston_seat *seat, + int dx, int dy) +{ + int surface_changed = 0; + + if (!seat->drag_surface && !seat->seat.drag_surface) + return; + + if (seat->drag_surface && seat->seat.drag_surface && + (&seat->drag_surface->surface.resource != + &seat->seat.drag_surface->resource)) + /* between calls to this funcion we got a new drag_surface */ + surface_changed = 1; + + if (!seat->seat.drag_surface || surface_changed) { + device_release_drag_surface(seat); + if (!surface_changed) + return; + } + + if (!seat->drag_surface || surface_changed) { + struct weston_surface *surface = (struct weston_surface *) + seat->seat.drag_surface; + if (!device_setup_new_drag_surface(seat, surface)) + return; + } + + /* the client may not have attached a buffer to the drag surface + * when we setup it up, so check if map is needed on every update */ + device_map_drag_surface(seat); + + if (!dx && !dy) + return; + + weston_surface_set_position(seat->drag_surface, + seat->drag_surface->geometry.x + wl_fixed_to_double(dx), + seat->drag_surface->geometry.y + wl_fixed_to_double(dy)); +} + +WL_EXPORT void +weston_compositor_update_drag_surfaces(struct weston_compositor *compositor) +{ + struct weston_seat *seat; + + wl_list_for_each(seat, &compositor->seat_list, link) + weston_seat_update_drag_surface(seat, 0, 0); +} |