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added template wxScopedArray<> too
[wxWidgets.git] / include / wx / gtk / dnd.h
1 ///////////////////////////////////////////////////////////////////////////////
2 // Name: 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();
45
46 void GtkRegisterWidget( GtkWidget *widget );
47 void GtkUnregisterWidget( GtkWidget *widget );
48
49 GdkDragContext *m_dragContext;
50 GtkWidget *m_dragWidget;
51 GtkSelectionData *m_dragData;
52 guint m_dragTime;
53 bool m_firstMotion; // gdk has no "gdk_drag_enter" event
54
55 void GtkSetDragContext( GdkDragContext *dc ) { m_dragContext = dc; }
56 void GtkSetDragWidget( GtkWidget *w ) { m_dragWidget = w; }
57 void GtkSetDragData( GtkSelectionData *sd ) { m_dragData = sd; }
58 void GtkSetDragTime( guint time ) { m_dragTime = time; }
59 };
60
61 //-------------------------------------------------------------------------
62 // wxDropSource
63 //-------------------------------------------------------------------------
64
65 class WXDLLIMPEXP_CORE wxDropSource: public wxDropSourceBase
66 {
67 public:
68 // constructor. set data later with SetData()
69 wxDropSource( wxWindow *win = NULL,
70 const wxIcon &copy = wxNullIcon,
71 const wxIcon &move = wxNullIcon,
72 const wxIcon &none = wxNullIcon);
73
74 // constructor for setting one data object
75 wxDropSource( wxDataObject& data,
76 wxWindow *win,
77 const wxIcon &copy = wxNullIcon,
78 const wxIcon &move = wxNullIcon,
79 const wxIcon &none = wxNullIcon);
80
81 virtual ~wxDropSource();
82
83 // start drag action
84 virtual wxDragResult DoDragDrop(int flags = wxDrag_CopyOnly);
85
86 void PrepareIcon( int action, GdkDragContext *context );
87
88 GtkWidget *m_widget;
89 GtkWidget *m_iconWindow;
90 GdkDragContext *m_dragContext;
91 wxWindow *m_window;
92
93 wxDragResult m_retValue;
94 wxIcon m_iconCopy,
95 m_iconMove,
96 m_iconNone;
97
98 bool m_waiting;
99
100 private:
101 // common part of both ctors
102 void SetIcons(const wxIcon& copy,
103 const wxIcon& move,
104 const wxIcon& none);
105
106 // GTK implementation
107 void GTKConnectDragSignals();
108 void GTKDisconnectDragSignals();
109
110 };
111
112 #endif // _WX_GTK_DND_H_
113