Method

GtkWidgetdrag_source_set

Declaration [src]

void
gtk_drag_source_set (
  GtkWidget* widget,
  GdkModifierType start_button_mask,
  const GtkTargetEntry* targets,
  gint n_targets,
  GdkDragAction actions
)

Description [src]

Sets up a widget so that GTK+ will start a drag operation when the user clicks and drags on the widget. The widget must have a window.

Parameters

`start_button_mask`	`GdkModifierType`
	The bitmask of buttons that can start the drag.
`targets`	An array of `GtkTargetEntry`
	The table of targets that the drag will support, may be `NULL`.
	The argument can be `NULL`.
	The length of the array is specified in the `n_targets` argument.
	The data is owned by the caller of the function.
`n_targets`	`gint`
	The number of items in `targets`.
`actions`	`GdkDragAction`
	The bitmask of possible actions for a drag from this widget.