This schedules a sub-surface position change.
The sub-surface will be moved so that its origin (top left
corner pixel) will be at the location x, y of the parent surface
coordinate system. The coordinates are not restricted to the parent
surface area. Negative values are allowed.
The scheduled coordinates will take effect whenever the state of the
parent surface is applied. When this happens depends on whether the
parent surface is in synchronized mode or not. See
wl_subsurface.set_sync and wl_subsurface.set_desync for details.
If more than one set_position request is invoked by the client before
the commit of the parent surface, the position of a new request always
replaces the scheduled position from any previous request.
reposition the sub-surface
This schedules a sub-surface position change. The sub-surface will be moved so that its origin (top left corner pixel) will be at the location x, y of the parent surface coordinate system. The coordinates are not restricted to the parent surface area. Negative values are allowed.
The scheduled coordinates will take effect whenever the state of the parent surface is applied. When this happens depends on whether the parent surface is in synchronized mode or not. See wl_subsurface.set_sync and wl_subsurface.set_desync for details.
If more than one set_position request is invoked by the client before the commit of the parent surface, the position of a new request always replaces the scheduled position from any previous request.
The initial position is 0, 0.