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Terminate drag if data source is destroyed

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This commit is contained in:
Ander Conselvan de Oliveira 2012-03-02 15:45:56 +02:00 • committed by Kristian Høgsberg
parent 70db367ccc
commit 214e343311
2 changed files with 41 additions and 16 deletions
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56
src/data-device.c
View file

@ -225,6 +225,28 @@ drag_grab_motion(struct wl_pointer_grab *grab,
time, x, y);
}
static void
data_device_end_drag_grab(struct wl_input_device *device, uint32_t time)
{
struct wl_resource *surface_resource;
struct wl_surface_interface *implementation;
if (device->drag_surface) {
surface_resource = &device->drag_surface->resource;
implementation = (struct wl_surface_interface *)
surface_resource->object.implementation;
implementation->attach(surface_resource->client,
surface_resource, NULL, 0, 0);
wl_list_remove(&device->drag_icon_listener.link);
}
wl_input_device_end_pointer_grab(device, time);
device->drag_data_source = NULL;
device->drag_surface = NULL;
}
static void
drag_grab_button(struct wl_pointer_grab *grab,
uint32_t time, int32_t button, int32_t state)
@ -237,22 +259,8 @@ drag_grab_button(struct wl_pointer_grab *grab,
wl_data_device_send_drop(device->drag_focus_resource);
if (device->button_count == 0 && state == 0) {
wl_input_device_end_pointer_grab(device, time);
if (device->drag_surface) {
struct wl_resource *surface_resource =
&device->drag_surface->resource;
struct wl_surface_interface *implementation =
(struct wl_surface_interface *)
surface_resource->object.implementation;
implementation->attach(surface_resource->client,
surface_resource, NULL, 0, 0);
wl_list_remove(&device->drag_icon_listener.link);
}
device->drag_data_source = NULL;
device->drag_surface = NULL;
data_device_end_drag_grab(device, time);
wl_list_remove(&device->drag_data_source_listener.link);
}
}
@ -262,6 +270,18 @@ static const struct wl_pointer_grab_interface drag_grab_interface = {
drag_grab_button,
};
static void
destroy_data_device_source(struct wl_listener *listener,
struct wl_resource *resource, uint32_t time)
{
struct wl_input_device *device;
device = container_of(listener, struct wl_input_device,
drag_data_source_listener);
data_device_end_drag_grab(device, time);
}
static void
destroy_data_device_icon(struct wl_listener *listener,
struct wl_resource *resource, uint32_t time)
@ -288,7 +308,11 @@ data_device_start_drag(struct wl_client *client, struct wl_resource *resource,
/* FIXME: Check that the data source type array isn't empty. */
device->drag_grab.interface = &drag_grab_interface;
device->drag_data_source = source_resource->data;
device->drag_data_source_listener.func = destroy_data_device_source;
wl_list_insert(source_resource->destroy_listener_list.prev,
&device->drag_data_source_listener.link);
if (icon_resource) {
device->drag_surface = icon_resource->data;

1
src/wayland-server.h
View file

@ -226,6 +226,7 @@ struct wl_input_device {
struct wl_list drag_resource_list;
struct wl_data_source *drag_data_source;
struct wl_listener drag_data_source_listener;
struct wl_surface *drag_focus;
struct wl_resource *drag_focus_resource;
struct wl_listener drag_focus_listener;