the main Gtk struct
Get the main Gtk struct
the main Gtk struct as a void*
Retrieves the content height of the GtkDrawingArea.
Retrieves the content width of the GtkDrawingArea.
Sets the desired height of the contents of the drawing area.
Sets the desired width of the contents of the drawing area.
Setting a draw function is the main thing you want to do when using a drawing area.
Emitted once when the widget is realized, and then each time the widget is changed while realized.