git.saurik.com Git - wxWidgets.git/blame_incremental

... / ...

Commit	Line	Data
	1	///////////////////////////////////////////////////////////////////////////////
	2	// Name: wx/gtk/dnd.h
	3	// Purpose: declaration of the wxDropTarget class
	4	// Author: Robert Roebling
	5	// RCS-ID: $Id$
	6	// Copyright: (c) 1998 Vadim Zeitlin, Robert Roebling
	7	// Licence: wxWindows licence
	8	///////////////////////////////////////////////////////////////////////////////
	9
	10	#ifndef _WX_GTK_DND_H_
	11	#define _WX_GTK_DND_H_
	12
	13	#include "wx/icon.h"
	14
	15	// ----------------------------------------------------------------------------
	16	// macros
	17	// ----------------------------------------------------------------------------
	18
	19	// this macro may be used instead for wxDropSource ctor arguments: it will use
	20	// the icon 'name' from an XPM file under GTK, but will expand to something
	21	// else under MSW. If you don't use it, you will have to use #ifdef in the
	22	// application code.
	23	#define wxDROP_ICON(name) wxICON(name)
	24
	25	//-------------------------------------------------------------------------
	26	// wxDropTarget
	27	//-------------------------------------------------------------------------
	28
	29	class WXDLLIMPEXP_CORE wxDropTarget: public wxDropTargetBase
	30	{
	31	public:
	32	wxDropTarget(wxDataObject *dataObject = NULL );
	33
	34	virtual wxDragResult OnDragOver(wxCoord x, wxCoord y, wxDragResult def);
	35	virtual bool OnDrop(wxCoord x, wxCoord y);
	36	virtual wxDragResult OnData(wxCoord x, wxCoord y, wxDragResult def);
	37	virtual bool GetData();
	38
	39	// Can only be called during OnXXX methods.
	40	wxDataFormat GetMatchingPair();
	41
	42	// implementation
	43
	44	GdkAtom GTKGetMatchingPair(bool quiet = false);
	45	wxDragResult GTKFigureOutSuggestedAction();
	46
	47	void GtkRegisterWidget( GtkWidget *widget );
	48	void GtkUnregisterWidget( GtkWidget *widget );
	49
	50	GdkDragContext *m_dragContext;
	51	GtkWidget *m_dragWidget;
	52	GtkSelectionData *m_dragData;
	53	unsigned m_dragTime;
	54	bool m_firstMotion; // gdk has no "gdk_drag_enter" event
	55
	56	void GTKSetDragContext( GdkDragContext *dc ) { m_dragContext = dc; }
	57	void GTKSetDragWidget( GtkWidget *w ) { m_dragWidget = w; }
	58	void GTKSetDragData( GtkSelectionData *sd ) { m_dragData = sd; }
	59	void GTKSetDragTime(unsigned time) { m_dragTime = time; }
	60	};
	61
	62	//-------------------------------------------------------------------------
	63	// wxDropSource
	64	//-------------------------------------------------------------------------
	65
	66	class WXDLLIMPEXP_CORE wxDropSource: public wxDropSourceBase
	67	{
	68	public:
	69	// constructor. set data later with SetData()
	70	wxDropSource( wxWindow *win = NULL,
	71	const wxIcon &copy = wxNullIcon,
	72	const wxIcon &move = wxNullIcon,
	73	const wxIcon &none = wxNullIcon);
	74
	75	// constructor for setting one data object
	76	wxDropSource( wxDataObject& data,
	77	wxWindow *win,
	78	const wxIcon &copy = wxNullIcon,
	79	const wxIcon &move = wxNullIcon,
	80	const wxIcon &none = wxNullIcon);
	81
	82	virtual ~wxDropSource();
	83
	84	// set the icon corresponding to given drag result
	85	void SetIcon(wxDragResult res, const wxIcon& icon)
	86	{
	87	if ( res == wxDragCopy )
	88	m_iconCopy = icon;
	89	else if ( res == wxDragMove )
	90	m_iconMove = icon;
	91	else
	92	m_iconNone = icon;
	93	}
	94
	95	// start drag action
	96	virtual wxDragResult DoDragDrop(int flags = wxDrag_CopyOnly);
	97
	98	void PrepareIcon( int action, GdkDragContext *context );
	99
	100	GtkWidget *m_widget;
	101	GtkWidget *m_iconWindow;
	102	GdkDragContext *m_dragContext;
	103	wxWindow *m_window;
	104
	105	wxDragResult m_retValue;
	106	wxIcon m_iconCopy,
	107	m_iconMove,
	108	m_iconNone;
	109
	110	bool m_waiting;
	111
	112	private:
	113	// common part of both ctors
	114	void SetIcons(const wxIcon& copy,
	115	const wxIcon& move,
	116	const wxIcon& none);
	117
	118	// GTK implementation
	119	void GTKConnectDragSignals();
	120	void GTKDisconnectDragSignals();
	121
	122	};
	123
	124	#endif // _WX_GTK_DND_H_
	125