Don't define __STRICT_ANSI__, we should build both with and without it.

[wxWidgets.git] / include / wx / gtk / dnd.h

diff --git a/include/wx/gtk/dnd.h b/include/wx/gtk/dnd.h
index 4b27e36da1c4df402d22c452ef90a05597466a13..0aea7b41f6c392b3a967ed48a03304af6962dfdb 100644 (file)
--- a/include/wx/gtk/dnd.h
+++ b/include/wx/gtk/dnd.h
@@ -1,116 +1,124 @@
 ///////////////////////////////////////////////////////////////////////////////
 ///////////////////////////////////////////////////////////////////////////////

-// Name:        dnd.h
+// Name:        wx/gtk/dnd.h

 // Purpose:     declaration of the wxDropTarget class
 // Author:      Robert Roebling
 // Purpose:     declaration of the wxDropTarget class
 // Author:      Robert Roebling

-// RCS-ID:      

 // Copyright:   (c) 1998 Vadim Zeitlin, Robert Roebling
 // 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__
+#include "wx/icon.h"

 
 

-#ifdef __GNUG__
-#pragma interface
-#endif
+// ----------------------------------------------------------------------------
+// macros
+// ----------------------------------------------------------------------------

 
 

-#include "wx/defs.h"
-#include "wx/object.h"
-#include "wx/string.h"
-#include "wx/cursor.h"
-
-//-------------------------------------------------------------------------
-// classes
-//-------------------------------------------------------------------------
-
-class wxWindow;
-
-class wxDropTarget;
-class wxTextDropTarget;
-class wxDragSource;
-class wxTextDragSource;
+// 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
 //-------------------------------------------------------------------------
 
 
 //-------------------------------------------------------------------------
 // wxDropTarget
 //-------------------------------------------------------------------------
 

-class wxDropTarget: wxObject
+class WXDLLIMPEXP_CORE wxDropTarget: public wxDropTargetBase

 {
 {

-  public:
+public:
+    wxDropTarget(wxDataObject *dataObject = NULL );

 
 

-    wxDropTarget();
-    ~wxDropTarget();
-    virtual void OnEnter() { }
-    virtual void OnLeave() { }
-    virtual bool OnDrop( long x, long y, const void *pData ) = 0;
+    virtual wxDragResult OnDragOver(wxCoord x, wxCoord y, wxDragResult def);
+    virtual bool OnDrop(wxCoord x, wxCoord y);
+    virtual wxDragResult OnData(wxCoord x, wxCoord y, wxDragResult def);
+    virtual bool GetData();

 
 

-  public:
+    // Can only be called during OnXXX methods.
+    wxDataFormat GetMatchingPair();

 
 

-    void Drop( GdkEvent *event, int x, int y );
-    virtual void RegisterWidget( GtkWidget *widget ) = 0;
-    void UnregisterWidget( GtkWidget *widget );
-};
+    // implementation

 
 

-//-------------------------------------------------------------------------
-// wxTextDropTarget
-//-------------------------------------------------------------------------
+    GdkAtom GTKGetMatchingPair(bool quiet = false);
+    wxDragResult GTKFigureOutSuggestedAction();

 
 

-class wxTextDropTarget: public wxDropTarget
-{
-  public:
+    void GtkRegisterWidget( GtkWidget *widget );
+    void GtkUnregisterWidget( GtkWidget *widget );

 
 

-    wxTextDropTarget() {};
-    virtual bool OnDrop( long x, long y, const void *pData );
-    virtual bool OnDropText( long x, long y, const char *psz );
-    virtual void RegisterWidget( GtkWidget *widget );
-};
+    GdkDragContext     *m_dragContext;
+    GtkWidget          *m_dragWidget;
+    GtkSelectionData   *m_dragData;
+    unsigned            m_dragTime;
+    bool                m_firstMotion;     // gdk has no "gdk_drag_enter" event

 
 

-//-------------------------------------------------------------------------
-// wxDragSource
-//-------------------------------------------------------------------------
-
-class wxDragSource: public wxObject
-{
-  public:
-
-    wxDragSource( wxWindow *win );
-    ~wxDragSource(void);
-    void SetData( char *data, long size );
-    void Start( int x, int y );
-
-  public:
-
-    void ConnectWindow(void);
-    void UnconnectWindow(void);
-    virtual void RegisterWindow(void) = 0;
-    void UnregisterWindow(void);
-  
-    GtkWidget   *m_widget;
-    wxWindow    *m_window;
-    char        *m_data;
-    long         m_size;
-    wxCursor     m_defaultCursor;
-    wxCursor     m_goaheadCursor;
+    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; }

 };
 
 //-------------------------------------------------------------------------
 };
 
 //-------------------------------------------------------------------------

-// wxTextDragSource
+// wxDropSource

 //-------------------------------------------------------------------------
 
 //-------------------------------------------------------------------------
 

-class wxTextDragSource: public wxDragSource
+class WXDLLIMPEXP_CORE wxDropSource: public wxDropSourceBase

 {
 {

-  public:
-
-    wxTextDragSource( wxWindow *win ) : wxDragSource(win) {};
-    void SetTextData( const wxString &text );
-    void RegisterWindow(void);
-    
-  private:
-  
-    wxString m_tmp;
+public:
+    // constructor. set data later with SetData()
+    wxDropSource( wxWindow *win = NULL,
+                  const wxIcon &copy = wxNullIcon,
+                  const wxIcon &move = wxNullIcon,
+                  const wxIcon &none = wxNullIcon);
+
+    // constructor for setting one data object
+    wxDropSource( wxDataObject& data,
+                  wxWindow *win,
+                  const wxIcon &copy = 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();
+

 };
 
 };
 

-#endif  
-       //__GTKDNDH__
+#endif // _WX_GTK_DND_H_