mirror of
https://gitlab.freedesktop.org/wayland/weston
synced 2024-09-06 18:05:39 +00:00
src/data_device.c: add dnd support for touch screen
Adding the drag and drop grab interface for touch screen in src/data-device.c, so the server can handle touch screen drag and drop operation. Signed-off-by: Xiong Zhang <xiong.y.zhang@intel.com> Reviewed-by: Kristian Hogsberg <hoegsberg@gmail.com>
This commit is contained in:
parent
24fc228044
commit
fd51e7bb57
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@ -408,10 +408,15 @@ void
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weston_seat_set_selection(struct weston_seat *seat,
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struct weston_data_source *source, uint32_t serial);
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int
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weston_seat_start_drag(struct weston_seat *seat,
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weston_pointer_start_drag(struct weston_pointer *pointer,
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struct weston_data_source *source,
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struct weston_surface *icon,
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struct wl_client *client);
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int
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weston_touch_start_drag(struct weston_touch *touch,
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struct weston_data_source *source,
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struct weston_surface *icon,
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struct wl_client *client);
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struct weston_xkb_info {
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struct xkb_keymap *keymap;
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@ -37,12 +37,21 @@ struct weston_drag {
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struct weston_view *focus;
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struct wl_resource *focus_resource;
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struct wl_listener focus_listener;
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struct weston_pointer_grab grab;
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struct weston_view *icon;
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struct wl_listener icon_destroy_listener;
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int32_t dx, dy;
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};
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struct weston_pointer_drag {
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struct weston_drag base;
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struct weston_pointer_grab grab;
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};
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struct weston_touch_drag {
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struct weston_drag base;
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struct weston_touch_grab grab;
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};
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static void
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empty_region(pixman_region32_t *region)
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{
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@ -172,17 +181,21 @@ static struct wl_data_source_interface data_source_interface = {
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};
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static void
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drag_surface_configure(struct weston_surface *es, int32_t sx, int32_t sy, int32_t width, int32_t height)
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drag_surface_configure(struct weston_drag *drag,
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struct weston_pointer *pointer,
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struct weston_touch *touch,
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struct weston_surface *es, int32_t sx, int32_t sy,
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int32_t width, int32_t height)
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{
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struct weston_drag *drag = es->configure_private;
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struct weston_pointer *pointer = drag->grab.pointer;
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struct wl_list *list;
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float fx, fy;
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assert(es->configure == drag_surface_configure);
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assert((pointer != NULL && touch == NULL) ||
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(pointer == NULL && touch != NULL));
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if (!weston_surface_is_mapped(es) && es->buffer_ref.buffer) {
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if (pointer->sprite && weston_view_is_mapped(pointer->sprite))
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if (pointer && pointer->sprite &&
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weston_view_is_mapped(pointer->sprite))
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list = &pointer->sprite->layer_link;
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else
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list = &es->compositor->cursor_layer.view_list;
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@ -196,11 +209,40 @@ drag_surface_configure(struct weston_surface *es, int32_t sx, int32_t sy, int32_
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drag->dx += sx;
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drag->dy += sy;
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fx = wl_fixed_to_double(pointer->x) + drag->dx;
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fy = wl_fixed_to_double(pointer->y) + drag->dy;
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/* init to 0 for avoiding a compile warning */
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fx = fy = 0;
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if (pointer) {
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fx = wl_fixed_to_double(pointer->x) + drag->dx;
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fy = wl_fixed_to_double(pointer->y) + drag->dy;
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} else if (touch) {
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fx = wl_fixed_to_double(touch->grab_x) + drag->dx;
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fy = wl_fixed_to_double(touch->grab_y) + drag->dy;
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}
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weston_view_configure(drag->icon, fx, fy, width, height);
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}
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static void
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pointer_drag_surface_configure(struct weston_surface *es, int32_t sx, int32_t sy, int32_t width, int32_t height)
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{
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struct weston_pointer_drag *drag = es->configure_private;
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struct weston_pointer *pointer = drag->grab.pointer;
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assert(es->configure == pointer_drag_surface_configure);
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drag_surface_configure(&drag->base, pointer, NULL, es, sx, sy, width, height);
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}
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static void
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touch_drag_surface_configure(struct weston_surface *es, int32_t sx, int32_t sy, int32_t width, int32_t height)
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{
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struct weston_touch_drag *drag = es->configure_private;
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struct weston_touch *touch = drag->grab.touch;
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assert(es->configure == touch_drag_surface_configure);
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drag_surface_configure(&drag->base, NULL, touch, es, sx, sy, width, height);
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}
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static void
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destroy_drag_focus(struct wl_listener *listener, void *data)
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{
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@ -211,12 +253,13 @@ destroy_drag_focus(struct wl_listener *listener, void *data)
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}
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static void
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weston_drag_set_focus(struct weston_drag *drag, struct weston_view *view,
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wl_fixed_t sx, wl_fixed_t sy)
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weston_drag_set_focus(struct weston_drag *drag,
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struct weston_seat *seat,
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struct weston_view *view,
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wl_fixed_t sx, wl_fixed_t sy)
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{
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struct weston_pointer *pointer = drag->grab.pointer;
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struct wl_resource *resource, *offer = NULL;
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struct wl_display *display = pointer->seat->compositor->wl_display;
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struct wl_display *display = seat->compositor->wl_display;
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uint32_t serial;
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if (drag->focus && view && drag->focus->surface == view->surface) {
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@ -238,7 +281,7 @@ weston_drag_set_focus(struct weston_drag *drag, struct weston_view *view,
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wl_resource_get_client(view->surface->resource) != drag->client)
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return;
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resource = wl_resource_find_for_client(&pointer->seat->drag_resource_list,
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resource = wl_resource_find_for_client(&seat->drag_resource_list,
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wl_resource_get_client(view->surface->resource));
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if (!resource)
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return;
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@ -264,8 +307,8 @@ weston_drag_set_focus(struct weston_drag *drag, struct weston_view *view,
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static void
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drag_grab_focus(struct weston_pointer_grab *grab)
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{
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struct weston_drag *drag =
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container_of(grab, struct weston_drag, grab);
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struct weston_pointer_drag *drag =
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container_of(grab, struct weston_pointer_drag, grab);
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struct weston_pointer *pointer = grab->pointer;
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struct weston_view *view;
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wl_fixed_t sx, sy;
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@ -273,40 +316,41 @@ drag_grab_focus(struct weston_pointer_grab *grab)
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view = weston_compositor_pick_view(pointer->seat->compositor,
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pointer->x, pointer->y,
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&sx, &sy);
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if (drag->focus != view)
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weston_drag_set_focus(drag, view, sx, sy);
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if (drag->base.focus != view)
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weston_drag_set_focus(&drag->base, pointer->seat, view, sx, sy);
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}
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static void
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drag_grab_motion(struct weston_pointer_grab *grab, uint32_t time,
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wl_fixed_t x, wl_fixed_t y)
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{
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struct weston_drag *drag =
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container_of(grab, struct weston_drag, grab);
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struct weston_pointer_drag *drag =
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container_of(grab, struct weston_pointer_drag, grab);
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struct weston_pointer *pointer = drag->grab.pointer;
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float fx, fy;
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wl_fixed_t sx, sy;
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weston_pointer_move(pointer, x, y);
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if (drag->icon) {
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fx = wl_fixed_to_double(pointer->x) + drag->dx;
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fy = wl_fixed_to_double(pointer->y) + drag->dy;
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weston_view_set_position(drag->icon, fx, fy);
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weston_view_schedule_repaint(drag->icon);
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if (drag->base.icon) {
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fx = wl_fixed_to_double(pointer->x) + drag->base.dx;
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fy = wl_fixed_to_double(pointer->y) + drag->base.dy;
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weston_view_set_position(drag->base.icon, fx, fy);
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weston_view_schedule_repaint(drag->base.icon);
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}
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if (drag->focus_resource) {
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weston_view_from_global_fixed(drag->focus,
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if (drag->base.focus_resource) {
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weston_view_from_global_fixed(drag->base.focus,
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pointer->x, pointer->y,
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&sx, &sy);
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wl_data_device_send_motion(drag->focus_resource, time, sx, sy);
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wl_data_device_send_motion(drag->base.focus_resource, time, sx, sy);
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}
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}
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static void
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data_device_end_drag_grab(struct weston_drag *drag)
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data_device_end_drag_grab(struct weston_drag *drag,
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struct weston_seat *seat)
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{
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if (drag->icon) {
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if (weston_view_is_mapped(drag->icon))
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weston_view_destroy(drag->icon);
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}
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weston_drag_set_focus(drag, NULL, 0, 0);
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weston_drag_set_focus(drag, seat, NULL, 0, 0);
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}
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weston_pointer_end_grab(drag->grab.pointer);
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static void
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data_device_end_pointer_drag_grab(struct weston_pointer_drag *drag)
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{
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struct weston_pointer *pointer = drag->grab.pointer;
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data_device_end_drag_grab(&drag->base, pointer->seat);
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weston_pointer_end_grab(pointer);
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free(drag);
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}
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drag_grab_button(struct weston_pointer_grab *grab,
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uint32_t time, uint32_t button, uint32_t state_w)
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{
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struct weston_drag *drag =
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container_of(grab, struct weston_drag, grab);
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struct weston_pointer_drag *drag =
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container_of(grab, struct weston_pointer_drag, grab);
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struct weston_pointer *pointer = drag->grab.pointer;
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enum wl_pointer_button_state state = state_w;
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if (drag->focus_resource &&
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if (drag->base.focus_resource &&
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pointer->grab_button == button &&
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state == WL_POINTER_BUTTON_STATE_RELEASED)
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wl_data_device_send_drop(drag->focus_resource);
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wl_data_device_send_drop(drag->base.focus_resource);
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if (pointer->button_count == 0 &&
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state == WL_POINTER_BUTTON_STATE_RELEASED) {
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if (drag->data_source)
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wl_list_remove(&drag->data_source_listener.link);
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data_device_end_drag_grab(drag);
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if (drag->base.data_source)
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wl_list_remove(&drag->base.data_source_listener.link);
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data_device_end_pointer_drag_grab(drag);
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}
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}
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static void
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drag_grab_cancel(struct weston_pointer_grab *grab)
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{
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struct weston_drag *drag =
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container_of(grab, struct weston_drag, grab);
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struct weston_pointer_drag *drag =
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container_of(grab, struct weston_pointer_drag, grab);
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if (drag->data_source)
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wl_list_remove(&drag->data_source_listener.link);
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if (drag->base.data_source)
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wl_list_remove(&drag->base.data_source_listener.link);
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data_device_end_drag_grab(drag);
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data_device_end_pointer_drag_grab(drag);
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}
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static const struct weston_pointer_grab_interface drag_grab_interface = {
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static const struct weston_pointer_grab_interface pointer_drag_grab_interface = {
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drag_grab_focus,
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drag_grab_motion,
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drag_grab_button,
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@ -367,12 +417,109 @@ static const struct weston_pointer_grab_interface drag_grab_interface = {
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};
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static void
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destroy_data_device_source(struct wl_listener *listener, void *data)
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drag_grab_touch_down(struct weston_touch_grab *grab, uint32_t time,
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int touch_id, wl_fixed_t sx, wl_fixed_t sy)
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{
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struct weston_drag *drag = container_of(listener, struct weston_drag,
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data_source_listener);
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}
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data_device_end_drag_grab(drag);
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static void
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data_device_end_touch_drag_grab(struct weston_touch_drag *drag)
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{
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struct weston_touch *touch = drag->grab.touch;
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data_device_end_drag_grab(&drag->base, touch->seat);
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weston_touch_end_grab(touch);
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free(drag);
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}
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static void
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drag_grab_touch_up(struct weston_touch_grab *grab,
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uint32_t time, int touch_id)
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{
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struct weston_touch_drag *touch_drag =
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container_of(grab, struct weston_touch_drag, grab);
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struct weston_touch *touch = grab->touch;
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if (touch_id != touch->grab_touch_id)
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return;
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if (touch_drag->base.focus_resource)
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wl_data_device_send_drop(touch_drag->base.focus_resource);
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if (touch_drag->base.data_source)
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wl_list_remove(&touch_drag->base.data_source_listener.link);
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data_device_end_touch_drag_grab(touch_drag);
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}
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static void
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drag_grab_touch_focus(struct weston_touch_drag *drag)
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{
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struct weston_touch *touch = drag->grab.touch;
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struct weston_view *view;
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wl_fixed_t view_x, view_y;
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view = weston_compositor_pick_view(touch->seat->compositor,
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touch->grab_x, touch->grab_y,
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&view_x, &view_y);
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if (drag->base.focus != view)
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weston_drag_set_focus(&drag->base, touch->seat,
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view, view_x, view_y);
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}
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static void
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drag_grab_touch_motion(struct weston_touch_grab *grab, uint32_t time,
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int touch_id, wl_fixed_t sx, wl_fixed_t sy)
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{
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struct weston_touch_drag *touch_drag =
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container_of(grab, struct weston_touch_drag, grab);
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struct weston_touch *touch = grab->touch;
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wl_fixed_t view_x, view_y;
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float fx, fy;
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if (touch_id != touch->grab_touch_id)
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return;
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drag_grab_touch_focus(touch_drag);
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if (touch_drag->base.icon) {
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fx = wl_fixed_to_double(touch->grab_x) + touch_drag->base.dx;
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fy = wl_fixed_to_double(touch->grab_y) + touch_drag->base.dy;
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weston_view_set_position(touch_drag->base.icon, fx, fy);
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weston_view_schedule_repaint(touch_drag->base.icon);
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}
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if (touch_drag->base.focus_resource) {
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weston_view_from_global_fixed(touch_drag->base.focus,
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touch->grab_x, touch->grab_y,
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&view_x, &view_y);
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wl_data_device_send_motion(touch_drag->base.focus_resource, time,
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view_x, view_y);
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}
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}
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static void
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drag_grab_touch_cancel(struct weston_touch_grab *grab)
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{
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struct weston_touch_drag *touch_drag =
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container_of(grab, struct weston_touch_drag, grab);
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if (touch_drag->base.data_source)
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wl_list_remove(&touch_drag->base.data_source_listener.link);
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data_device_end_touch_drag_grab(touch_drag);
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}
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static const struct weston_touch_grab_interface touch_drag_grab_interface = {
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drag_grab_touch_down,
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drag_grab_touch_up,
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drag_grab_touch_motion,
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drag_grab_touch_cancel
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};
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static void
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destroy_pointer_data_device_source(struct wl_listener *listener, void *data)
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{
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struct weston_pointer_drag *drag = container_of(listener,
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struct weston_pointer_drag, base.data_source_listener);
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data_device_end_pointer_drag_grab(drag);
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}
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static void
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@ -385,47 +532,102 @@ handle_drag_icon_destroy(struct wl_listener *listener, void *data)
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}
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WL_EXPORT int
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weston_seat_start_drag(struct weston_seat *seat,
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weston_pointer_start_drag(struct weston_pointer *pointer,
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struct weston_data_source *source,
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struct weston_surface *icon,
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struct wl_client *client)
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{
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struct weston_drag *drag;
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struct weston_pointer_drag *drag;
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drag = zalloc(sizeof *drag);
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if (drag == NULL)
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return -1;
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drag->grab.interface = &drag_grab_interface;
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drag->client = client;
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drag->data_source = source;
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drag->grab.interface = &pointer_drag_grab_interface;
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drag->base.client = client;
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drag->base.data_source = source;
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if (icon) {
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drag->icon = weston_view_create(icon);
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if (drag->icon == NULL) {
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drag->base.icon = weston_view_create(icon);
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if (drag->base.icon == NULL) {
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free(drag);
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return -1;
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}
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drag->icon_destroy_listener.notify = handle_drag_icon_destroy;
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drag->base.icon_destroy_listener.notify = handle_drag_icon_destroy;
|
||||
wl_signal_add(&icon->destroy_signal,
|
||||
&drag->icon_destroy_listener);
|
||||
&drag->base.icon_destroy_listener);
|
||||
|
||||
icon->configure = drag_surface_configure;
|
||||
icon->configure = pointer_drag_surface_configure;
|
||||
icon->configure_private = drag;
|
||||
} else {
|
||||
drag->icon = NULL;
|
||||
drag->base.icon = NULL;
|
||||
}
|
||||
|
||||
if (source) {
|
||||
drag->data_source_listener.notify = destroy_data_device_source;
|
||||
drag->base.data_source_listener.notify = destroy_pointer_data_device_source;
|
||||
wl_signal_add(&source->destroy_signal,
|
||||
&drag->data_source_listener);
|
||||
&drag->base.data_source_listener);
|
||||
}
|
||||
|
||||
weston_pointer_set_focus(seat->pointer, NULL,
|
||||
weston_pointer_set_focus(pointer, NULL,
|
||||
wl_fixed_from_int(0), wl_fixed_from_int(0));
|
||||
weston_pointer_start_grab(seat->pointer, &drag->grab);
|
||||
weston_pointer_start_grab(pointer, &drag->grab);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void
|
||||
destroy_touch_data_device_source(struct wl_listener *listener, void *data)
|
||||
{
|
||||
struct weston_touch_drag *drag = container_of(listener,
|
||||
struct weston_touch_drag, base.data_source_listener);
|
||||
|
||||
data_device_end_touch_drag_grab(drag);
|
||||
}
|
||||
|
||||
WL_EXPORT int
|
||||
weston_touch_start_drag(struct weston_touch *touch,
|
||||
struct weston_data_source *source,
|
||||
struct weston_surface *icon,
|
||||
struct wl_client *client)
|
||||
{
|
||||
struct weston_touch_drag *drag;
|
||||
|
||||
drag = zalloc(sizeof *drag);
|
||||
if (drag == NULL)
|
||||
return -1;
|
||||
|
||||
drag->grab.interface = &touch_drag_grab_interface;
|
||||
drag->base.client = client;
|
||||
drag->base.data_source = source;
|
||||
|
||||
if (icon) {
|
||||
drag->base.icon = weston_view_create(icon);
|
||||
if (drag->base.icon == NULL) {
|
||||
free(drag);
|
||||
return -1;
|
||||
}
|
||||
|
||||
drag->base.icon_destroy_listener.notify = handle_drag_icon_destroy;
|
||||
wl_signal_add(&icon->destroy_signal,
|
||||
&drag->base.icon_destroy_listener);
|
||||
|
||||
icon->configure = touch_drag_surface_configure;
|
||||
icon->configure_private = drag;
|
||||
} else {
|
||||
drag->base.icon = NULL;
|
||||
}
|
||||
|
||||
if (source) {
|
||||
drag->base.data_source_listener.notify = destroy_touch_data_device_source;
|
||||
wl_signal_add(&source->destroy_signal,
|
||||
&drag->base.data_source_listener);
|
||||
}
|
||||
|
||||
weston_touch_start_grab(touch, &drag->grab);
|
||||
|
||||
drag_grab_touch_focus(drag);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
@ -439,11 +641,15 @@ data_device_start_drag(struct wl_client *client, struct wl_resource *resource,
|
|||
struct weston_seat *seat = wl_resource_get_user_data(resource);
|
||||
struct weston_data_source *source = NULL;
|
||||
struct weston_surface *icon = NULL;
|
||||
int32_t ret = 0;
|
||||
|
||||
if (seat->pointer->button_count == 0 ||
|
||||
if ((seat->pointer->button_count == 0 ||
|
||||
seat->pointer->grab_serial != serial ||
|
||||
!seat->pointer->focus ||
|
||||
seat->pointer->focus->surface != wl_resource_get_user_data(origin_resource))
|
||||
seat->pointer->focus->surface != wl_resource_get_user_data(origin_resource)) &&
|
||||
(seat->touch->grab_serial != serial ||
|
||||
!seat->touch->focus ||
|
||||
seat->touch->focus->surface != wl_resource_get_user_data(origin_resource)))
|
||||
return;
|
||||
|
||||
/* FIXME: Check that the data source type array isn't empty. */
|
||||
|
@ -459,7 +665,17 @@ data_device_start_drag(struct wl_client *client, struct wl_resource *resource,
|
|||
return;
|
||||
}
|
||||
|
||||
if (weston_seat_start_drag(seat, source, icon, client) < 0)
|
||||
if (seat->pointer->button_count == 1 &&
|
||||
seat->pointer->grab_serial == serial &&
|
||||
seat->pointer->focus &&
|
||||
seat->pointer->focus->surface == wl_resource_get_user_data(origin_resource))
|
||||
ret = weston_pointer_start_drag(seat->pointer, source, icon, client);
|
||||
else if (seat->touch->grab_serial != serial ||
|
||||
seat->touch->focus ||
|
||||
seat->touch->focus->surface != wl_resource_get_user_data(origin_resource))
|
||||
ret = weston_touch_start_drag(seat->touch, source, icon, client);
|
||||
|
||||
if (ret < 0)
|
||||
wl_resource_post_no_memory(resource);
|
||||
}
|
||||
|
||||
|
|
|
@ -211,7 +211,7 @@ handle_enter(struct weston_wm *wm, xcb_client_message_event_t *client_message)
|
|||
}
|
||||
|
||||
free(reply);
|
||||
weston_seat_start_drag(seat, &source->base, NULL, NULL);
|
||||
weston_pointer_start_drag(seat->pointer, &source->base, NULL, NULL);
|
||||
}
|
||||
|
||||
int
|
||||
|
|
Loading…
Reference in a new issue