Differential D11280 Diff 37175 extern/xdnd/xdnd.h

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extern/xdnd/xdnd.h

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	int (widget_delete_selection) (DndClass dnd, Window window, Window from);	int (widget_delete_selection) (DndClass dnd, Window window, Window from);

	/* returns 1 if widget exists, zero otherwise. If this method is not	/* returns 1 if widget exists, zero otherwise. If this method is not
	set then the code assumes that no widgets have support for recieving drops.	set then the code assumes that no widgets have support for recieving drops.
	In this case none of the widget methods need be set. */	In this case none of the widget methods need be set. */
	int (widget_exists) (DndClass dnd, Window window);	int (widget_exists) (DndClass dnd, Window window);

	/* must update the widgets border to its default appearance */	/* must update the widgets border to its default appearance */
	void (widget_apply_leave) (DndClass dnd, Window widgets_window);	void (widget_apply_leave) (DndClass dnd, Window widgets_window);

	/* must update the widgets border to give the appearance of being able to recieve a drop,	/* must update the widgets border to give the appearance of being able to receive a drop,
	plus return all data to pointers. As per the protocol, if the widget cannot	plus return all data to pointers. As per the protocol, if the widget cannot
	perform the action specified by `action' then it should return either XdndActionPrivate	perform the action specified by `action' then it should return either XdndActionPrivate
	or XdndActionCopy into supported_action (leaving 0 supported_action unchanged is equivalent	or XdndActionCopy into supported_action (leaving 0 supported_action unchanged is equivalent
	to XdndActionCopy). Returns 1 if ready to ok drop */	to XdndActionCopy). Returns 1 if ready to ok drop */
	int (widget_apply_position) (DndClass dnd, Window widgets_window, Window from,	int (widget_apply_position) (DndClass dnd, Window widgets_window, Window from,
	Atom action, int x, int y, Time t, Atom * typelist,	Atom action, int x, int y, Time t, Atom * typelist,
	int want_position, Atom supported_action, Atom * desired_type,	int want_position, Atom supported_action, Atom * desired_type,
	XRectangle * rectangle);	XRectangle * rectangle);

	/* returns drag data of the specified type. This will be one of `typelist' given to xdnd_drag */	/* returns drag data of the specified type. This will be one of `typelist' given to xdnd_drag */
	void (widget_get_data) (DndClass dnd, Window window, unsigned char *data, int length, Atom type);	void (widget_get_data) (DndClass dnd, Window window, unsigned char *data, int length, Atom type);

	/* this is called from with the main event loop if an expose event is recieved and is optional */	/* this is called from with the main event loop if an expose event is received and is optional */
	void (handle_expose_events) (DndClass dnd, XEvent * xevent);	void (handle_expose_events) (DndClass dnd, XEvent * xevent);

	/* creates a chooser dialog if the action is XdndActionAsk. Returns non-zero on cancel */	/* creates a chooser dialog if the action is XdndActionAsk. Returns non-zero on cancel */
	int (action_choose_dialog) (DndClass dnd, char *descriptions, Atom actions, Atom * result);	int (action_choose_dialog) (DndClass dnd, char *descriptions, Atom actions, Atom * result);

	#if 0 /* implemented internally */	#if 0 /* implemented internally */
	/* returns a widget that is dnd aware within a parent widget that lies under the point x, y */	/* returns a widget that is dnd aware within a parent widget that lies under the point x, y */
	Window (widget_get_child_widget) (DndClass dnd, Window parent, int x, int y);	Window (widget_get_child_widget) (DndClass dnd, Window parent, int x, int y);
	#endif	#endif

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