Method
GtkWidgetcompute_point
Declaration [src]
gboolean
gtk_widget_compute_point (
GtkWidget* widget,
GtkWidget* target,
const graphene_point_t* point,
graphene_point_t* out_point
)
Description [src]
Translates the given point in widget‘s coordinates to coordinates
in target’s coordinate system.
In order to perform this operation, both widgets must share a
a common ancestor. If that is not the case, out_point is set
to (0, 0) and false is returned.
Parameters
target-
Type:
GtkWidgetThe widget to transform into.
The data is owned by the caller of the method. point-
Type:
graphene_point_tA point in
widget‘s coordinate system.The data is owned by the caller of the method. out_point-
Type:
graphene_point_tSet to the corresponding coordinates in
target‘s coordinate system.The argument will be set by the function. The returned data is owned by the instance.