Function

GtkTickCallback

Declaration 

gboolean
(* GtkTickCallback) (
  GtkWidget* widget,
  GdkFrameClock* frame_clock,
  gpointer user_data
)

Description [src]

Callback type for adding a function to update animations. See gtk_widget_add_tick_callback().

Available since:3.8

Parameters

widget GtkWidget
 

The widget.
 The data is owned by the caller of the function.
frame_clock GdkFrameClock
 

The frame clock for the widget (same as calling gtk_widget_get_frame_clock())
 The data is owned by the caller of the function.
user_data gpointer
 

User data passed to gtk_widget_add_tick_callback().
 The argument can be NULL.
 The data is owned by the caller of the function.

Return value

Returns: gboolean
 

G_SOURCE_CONTINUE if the tick callback should continue to be called, G_SOURCE_REMOVE if the tick callback should be removed.