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wayland: Implement DND icon hotspot API

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In Wayland, the hotspot of a DND icon is set using the buffer offset in
wl_buffer.attach. To implement this, add a private API to cause the
next wl_surface.attach to offset the new buffer with a given offset.
Setting a DND icon hotspot sets this offset while also queuing a redraw
of the window to trigger the wl_surface.attach.

https://bugzilla.gnome.org/show_bug.cgi?id=759168
This commit is contained in:
Jonas Ådahl
2015-12-08 18:19:33 +08:00
committed by Matthias Clasen
parent 0164256aec
commit 3ab9d96623
3 changed files with 60 additions and 3 deletions
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4
gdk/wayland/gdkprivate-wayland.h
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@ -104,6 +104,10 @@ void _gdk_wayland_window_register_dnd (GdkWindow *window);
GdkDragContext *_gdk_wayland_window_drag_begin (GdkWindow *window,
GdkDevice *device,
GList *targets);
void _gdk_wayland_window_offset_next_wl_buffer (GdkWindow *window,
int x,
int y);
GdkDragContext * _gdk_wayland_drop_context_new (struct wl_data_device *data_device);
void _gdk_wayland_drag_context_set_source_window (GdkDragContext *context,
GdkWindow *window);