callisto-debian/gtk3
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

wayland: Implement animatable cursors

Browse Source 
Cursor animations are handled on a per-device basis, with
GdkWaylandDevice updating the pointer surface for each frame.

https://bugzilla.gnome.org/show_bug.cgi?id=696429
This commit is contained in:
Chris Cummins
2013-03-28 12:08:43 +00:00
committed by Kristian Høgsberg
parent 4801977d80
commit b8ed3e9ef5
3 changed files with 108 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files

68
gdk/wayland/gdkdevice-wayland.c
View File

@ -71,6 +71,9 @@ struct _GdkWaylandDeviceData
guint32 repeat_count;
GSettings *keyboard_settings;
guint cursor_timeout_id;
guint cursor_image_index;
DataOffer *drag_offer;
DataOffer *selection_offer;
@ -144,14 +147,63 @@ gdk_wayland_device_get_state (GdkDevice *device,
}
}
static void
gdk_wayland_device_stop_window_cursor_animation (GdkWaylandDeviceData *wd)
{
if (wd->cursor_timeout_id > 0)
{
g_source_remove (wd->cursor_timeout_id);
wd->cursor_timeout_id = 0;
}
wd->cursor_image_index = 0;
}
static gboolean
gdk_wayland_device_update_window_cursor (GdkWaylandDeviceData *wd)
{
struct wl_buffer *buffer;
int x, y, w, h;
guint next_image_index, next_image_delay;
buffer = _gdk_wayland_cursor_get_buffer (wd->cursor, wd->cursor_image_index,
&x, &y, &w, &h);
wl_pointer_set_cursor (wd->wl_pointer,
wd->enter_serial,
wd->pointer_surface,
x, y);
wl_surface_attach (wd->pointer_surface, buffer, 0, 0);
wl_surface_damage (wd->pointer_surface, 0, 0, w, h);
wl_surface_commit (wd->pointer_surface);
next_image_index =
_gdk_wayland_cursor_get_next_image_index (wd->cursor,
wd->cursor_image_index,
&next_image_delay);
if (next_image_index != wd->cursor_image_index)
{
guint id;
/* Queue timeout for next frame */
id = g_timeout_add (next_image_delay,
(GSourceFunc)gdk_wayland_device_update_window_cursor,
wd);
wd->cursor_timeout_id = id;
wd->cursor_image_index = next_image_index;
}
else
wd->cursor_timeout_id = 0;
return FALSE;
}
static void
gdk_wayland_device_set_window_cursor (GdkDevice *device,
GdkWindow *window,
GdkCursor *cursor)
{
GdkWaylandDeviceData *wd = GDK_WAYLAND_DEVICE(device)->device;
struct wl_buffer *buffer;
int x, y, w, h;
/* Setting the cursor to NULL means that we should use the default cursor */
if (!cursor)
@ -164,19 +216,14 @@ gdk_wayland_device_set_window_cursor (GdkDevice *device,
if (cursor == wd->cursor)
return;
gdk_wayland_device_stop_window_cursor_animation (wd);
if (wd->cursor)
g_object_unref (wd->cursor);
wd->cursor = g_object_ref (cursor);
buffer = _gdk_wayland_cursor_get_buffer (wd->cursor, &x, &y, &w, &h);
wl_pointer_set_cursor (wd->wl_pointer,
wd->enter_serial,
wd->pointer_surface,
x, y);
wl_surface_attach (wd->pointer_surface, buffer, 0, 0);
wl_surface_damage (wd->pointer_surface, 0, 0, w, h);
wl_surface_commit (wd->pointer_surface);
gdk_wayland_device_update_window_cursor (wd);
}
static void
@ -622,6 +669,7 @@ pointer_handle_leave (void *data,
g_object_unref(device->pointer_focus);
if (device->cursor)
{
gdk_wayland_device_stop_window_cursor_animation (device);
g_object_unref (device->cursor);
device->cursor = NULL;
}