///////////////////////////////////////////////////////////////////////////////
-// Name: dnd.h
+// Name: wx/gtk/dnd.h
// Purpose: declaration of the wxDropTarget class
// Author: Robert Roebling
// RCS-ID: $Id$
// Copyright: (c) 1998 Vadim Zeitlin, Robert Roebling
-// Licence: wxWindows license
+// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
+#ifndef _WX_GTK_DND_H_
+#define _WX_GTK_DND_H_
-#ifndef __GTKDNDH__
-#define __GTKDNDH__
-
-#ifdef __GNUG__
-#pragma interface
-#endif
-
-#if wxUSE_DRAG_AND_DROP
-
-#include "wx/object.h"
-#include "wx/string.h"
-#include "wx/dataobj.h"
-#include "wx/cursor.h"
#include "wx/icon.h"
-#include "wx/gdicmn.h"
-
-//-------------------------------------------------------------------------
-// classes
-//-------------------------------------------------------------------------
-
-class wxWindow;
-class wxDropTarget;
-class wxTextDropTarget;
-class wxFileDropTarget;
+// ----------------------------------------------------------------------------
+// macros
+// ----------------------------------------------------------------------------
-class wxDropSource;
+// this macro may be used instead for wxDropSource ctor arguments: it will use
+// the icon 'name' from an XPM file under GTK, but will expand to something
+// else under MSW. If you don't use it, you will have to use #ifdef in the
+// application code.
+#define wxDROP_ICON(name) wxICON(name)
//-------------------------------------------------------------------------
// wxDropTarget
//-------------------------------------------------------------------------
-class wxDropTarget: public wxDropTargetBase
+class WXDLLIMPEXP_CORE wxDropTarget: public wxDropTargetBase
{
public:
- wxDropTarget(wxDataObject *dataObject = (wxDataObject*) NULL );
-
- virtual bool OnEnter(wxCoord x, wxCoord y) ;
- virtual bool OnMove(wxCoord x, wxCoord y);
+ wxDropTarget(wxDataObject *dataObject = NULL );
+
+ virtual wxDragResult OnDragOver(wxCoord x, wxCoord y, wxDragResult def);
virtual bool OnDrop(wxCoord x, wxCoord y);
- virtual bool OnData(wxCoord x, wxCoord y);
+ virtual wxDragResult OnData(wxCoord x, wxCoord y, wxDragResult def);
virtual bool GetData();
- // implementation
+ // Can only be called during OnXXX methods.
+ wxDataFormat GetMatchingPair();
- GdkAtom GetMatchingPair();
- void RegisterWidget( GtkWidget *widget );
- void UnregisterWidget( GtkWidget *widget );
+ // implementation
+
+ GdkAtom GTKGetMatchingPair(bool quiet = false);
+ wxDragResult GTKFigureOutSuggestedAction();
+
+ void GtkRegisterWidget( GtkWidget *widget );
+ void GtkUnregisterWidget( GtkWidget *widget );
GdkDragContext *m_dragContext;
GtkWidget *m_dragWidget;
GtkSelectionData *m_dragData;
- guint m_dragTime;
- bool m_firstMotion; /* gdk has no "gdk_drag_enter" event */
-
- void SetDragContext( GdkDragContext *dc ) { m_dragContext = dc; }
- void SetDragWidget( GtkWidget *w ) { m_dragWidget = w; }
- void SetDragData( GtkSelectionData *sd ) { m_dragData = sd; }
- void SetDragTime( guint time ) { m_dragTime = time; }
-};
-
-// ----------------------------------------------------------------------------
-// A simple wxDropTarget derived class for text data: you only need to
-// override OnDropText() to get something working
-// ----------------------------------------------------------------------------
-
-class wxTextDropTarget : public wxDropTarget
-{
-public:
- wxTextDropTarget();
-
- virtual bool OnDropText(wxCoord x, wxCoord y, const wxString& text) = 0;
+ unsigned m_dragTime;
+ bool m_firstMotion; // gdk has no "gdk_drag_enter" event
- virtual bool OnData(wxCoord x, wxCoord y);
-};
-
-// ----------------------------------------------------------------------------
-// A drop target which accepts files (dragged from File Manager or Explorer)
-// ----------------------------------------------------------------------------
-
-class wxFileDropTarget : public wxDropTarget
-{
-public:
- wxFileDropTarget();
-
- // parameters are the number of files and the array of file names
- virtual bool OnDropFiles(wxCoord x, wxCoord y,
- const wxArrayString& filenames) = 0;
-
- virtual bool OnData(wxCoord x, wxCoord y);
+ void GTKSetDragContext( GdkDragContext *dc ) { m_dragContext = dc; }
+ void GTKSetDragWidget( GtkWidget *w ) { m_dragWidget = w; }
+ void GTKSetDragData( GtkSelectionData *sd ) { m_dragData = sd; }
+ void GTKSetDragTime(unsigned time) { m_dragTime = time; }
};
//-------------------------------------------------------------------------
// wxDropSource
//-------------------------------------------------------------------------
-class wxDropSource: public wxDropSourceBase
+class WXDLLIMPEXP_CORE wxDropSource: public wxDropSourceBase
{
public:
- /* constructor. set data later with SetData() */
- wxDropSource( wxWindow *win,
- const wxIcon &go = wxNullIcon,
- const wxIcon &stop = wxNullIcon );
+ // constructor. set data later with SetData()
+ wxDropSource( wxWindow *win = NULL,
+ const wxIcon © = wxNullIcon,
+ const wxIcon &move = wxNullIcon,
+ const wxIcon &none = wxNullIcon);
- /* constructor for setting one data object */
+ // constructor for setting one data object
wxDropSource( wxDataObject& data,
wxWindow *win,
- const wxIcon &go = wxNullIcon,
- const wxIcon &stop = wxNullIcon );
-
- ~wxDropSource();
-
- /* start drag action */
- virtual wxDragResult DoDragDrop( bool bAllowMove = FALSE );
-
- /* GTK implementation */
- void RegisterWindow();
- void UnregisterWindow();
-
- GtkWidget *m_widget;
- wxWindow *m_window;
- wxDragResult m_retValue;
+ const wxIcon © = wxNullIcon,
+ const wxIcon &move = wxNullIcon,
+ const wxIcon &none = wxNullIcon);
+
+ virtual ~wxDropSource();
+
+ // set the icon corresponding to given drag result
+ void SetIcon(wxDragResult res, const wxIcon& icon)
+ {
+ if ( res == wxDragCopy )
+ m_iconCopy = icon;
+ else if ( res == wxDragMove )
+ m_iconMove = icon;
+ else
+ m_iconNone = icon;
+ }
+
+ // start drag action
+ virtual wxDragResult DoDragDrop(int flags = wxDrag_CopyOnly);
+
+ void PrepareIcon( int action, GdkDragContext *context );
+
+ GtkWidget *m_widget;
+ GtkWidget *m_iconWindow;
+ GdkDragContext *m_dragContext;
+ wxWindow *m_window;
+
+ wxDragResult m_retValue;
+ wxIcon m_iconCopy,
+ m_iconMove,
+ m_iconNone;
+
+ bool m_waiting;
+
+private:
+ // common part of both ctors
+ void SetIcons(const wxIcon& copy,
+ const wxIcon& move,
+ const wxIcon& none);
+
+ // GTK implementation
+ void GTKConnectDragSignals();
+ void GTKDisconnectDragSignals();
- wxCursor m_defaultCursor;
- wxCursor m_goaheadCursor;
-
- wxIcon m_goIcon;
- wxIcon m_stopIcon;
-
- bool m_waiting;
};
-#endif
-
- // wxUSE_DRAG_AND_DROP
-
-#endif
- //__GTKDNDH__
+#endif // _WX_GTK_DND_H_
projects / wxWidgets.git / blobdiff