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wayland: Avoid running stale cursor animation timeouts

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gdk_wayland_device_update_window_cursor() is inconsistently returning
TRUE/FALSE, despite the timeout being always replaced for new cursor
frames. This could end up in these timeouts being "leaked" and running
as long as the window has an animated cursor.

Fix this by making it really sure we return G_SOURCE_REMOVE, although
now we keep track of animation delays, so the timeout will be reused
for constant time animations.
This commit is contained in:
Carlos Garnacho 2015-09-16 12:21:36 +02:00
parent 63e255e7b5
commit 603ea3b3e7
1 changed files with 23 additions and 12 deletions
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35
gdk/wayland/gdkdevice-wayland.c
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@ -94,6 +94,7 @@ struct _GdkWaylandDeviceData
GdkCursor *grab_cursor;
guint cursor_timeout_id;
guint cursor_image_index;
guint cursor_image_delay;
GdkDragContext *drop_context;
@ -188,6 +189,7 @@ gdk_wayland_device_stop_window_cursor_animation (GdkWaylandDeviceData *wd)
wd->cursor_timeout_id = 0;
}
wd->cursor_image_index = 0;
wd->cursor_image_delay = 0;
}
static gboolean
@ -196,6 +198,7 @@ gdk_wayland_device_update_window_cursor (GdkWaylandDeviceData *wd)
struct wl_buffer *buffer;
int x, y, w, h, scale;
guint next_image_index, next_image_delay;
gboolean retval = G_SOURCE_REMOVE;
if (wd->grab_cursor)
{
@ -210,11 +213,11 @@ gdk_wayland_device_update_window_cursor (GdkWaylandDeviceData *wd)
else
{
wd->cursor_timeout_id = 0;
return TRUE;
return retval;
}
if (!wd->wl_pointer)
return FALSE;
return retval;
wl_pointer_set_cursor (wd->wl_pointer,
wd->enter_serial,
@ -232,7 +235,7 @@ gdk_wayland_device_update_window_cursor (GdkWaylandDeviceData *wd)
{
/* We admit only static icons during drags so far */
gdk_wayland_device_stop_window_cursor_animation (wd);
return TRUE;
return retval;
}
next_image_index =
@ -242,21 +245,29 @@ gdk_wayland_device_update_window_cursor (GdkWaylandDeviceData *wd)
if (next_image_index != wd->cursor_image_index)
{
guint id;
if (next_image_delay != wd->cursor_image_delay)
{
guint id;
/* Queue timeout for next frame */
id = g_timeout_add (next_image_delay,
(GSourceFunc)gdk_wayland_device_update_window_cursor,
wd);
g_source_set_name_by_id (id, "[gtk+] gdk_wayland_device_update_window_cursor");
gdk_wayland_device_stop_window_cursor_animation (wd);
/* Queue timeout for next frame */
id = g_timeout_add (next_image_delay,
(GSourceFunc)gdk_wayland_device_update_window_cursor,
wd);
g_source_set_name_by_id (id, "[gtk+] gdk_wayland_device_update_window_cursor");
wd->cursor_timeout_id = id;
}
else
retval = G_SOURCE_CONTINUE;
wd->cursor_timeout_id = id;
wd->cursor_image_index = next_image_index;
wd->cursor_image_delay = next_image_delay;
}
else
wd->cursor_timeout_id = 0;
gdk_wayland_device_stop_window_cursor_animation (wd);
return FALSE;
return retval;
}
static void