Function

GtkTickCallback

since: 3.8

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

Type: GtkWidget

The widget.

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

Type: 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

Type: 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

Type: gboolean

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