虚函数

GtkTextViewsnapshot_layer

声明 [src]

void
snapshot_layer (
  GtkTextView* text_view,
  GtkTextViewLayer layer,
  GtkSnapshot* snapshot
)

描述 [src]

The snapshot_layer vfunc is called before and after the text view is drawing its own text. Applications can override this vfunc in a subclass to draw customized content underneath or above the text. In the GTK_TEXT_VIEW_LAYER_BELOW_TEXT and GTK_TEXT_VIEW_LAYER_ABOVE_TEXT layers the drawing is done in the buffer coordinate space.

参数

layer

类型： GtkTextViewLayer

无可用描述。

snapshot

类型： GtkSnapshot

无可用描述。

数据由方法的调用者拥有。