X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c801d85f158c4cba50b588807daabdcbd0ed3853..b5b49e42939fd7ef098241733648b534f71b526c:/include/wx/gtk/dnd.h

diff --git a/include/wx/gtk/dnd.h b/include/wx/gtk/dnd.h
index 45bf0cf2f6..52199517b4 100644
--- a/include/wx/gtk/dnd.h
+++ b/include/wx/gtk/dnd.h
@@ -2,7 +2,7 @@
 // Name:        dnd.h
 // Purpose:     declaration of the wxDropTarget class
 // Author:      Robert Roebling
-// RCS-ID:      
+// RCS-ID:      $Id$
 // Copyright:   (c) 1998 Vadim Zeitlin, Robert Roebling
 // Licence:     wxWindows license
 ///////////////////////////////////////////////////////////////////////////////
@@ -15,10 +15,14 @@
 #pragma interface
 #endif
 
-#include "wx/defs.h"
+#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
@@ -28,89 +32,107 @@ class wxWindow;
 
 class wxDropTarget;
 class wxTextDropTarget;
-class wxDragSource;
-class wxTextDragSource;
+class wxFileDropTarget;
+
+class wxDropSource;
+
+// ----------------------------------------------------------------------------
+// macros
+// ----------------------------------------------------------------------------
+
+// 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: wxObject
+class wxDropTarget: public wxDropTargetBase
 {
-  public:
+public:
+    wxDropTarget(wxDataObject *dataObject = (wxDataObject*) 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:
+  // implementation
 
-    void Drop( GdkEvent *event, int x, int y );
-    virtual void RegisterWidget( GtkWidget *widget ) = 0;
-    void UnregisterWidget( GtkWidget *widget );
-};
+    GdkAtom GetMatchingPair();
 
-//-------------------------------------------------------------------------
-// wxTextDropTarget
-//-------------------------------------------------------------------------
+    void RegisterWidget( GtkWidget *widget );
+    void UnregisterWidget( GtkWidget *widget );
 
-class wxTextDropTarget: public wxDropTarget
-{
-  public:
+    GdkDragContext     *m_dragContext;
+    GtkWidget          *m_dragWidget;
+    GtkSelectionData   *m_dragData;
+    guint               m_dragTime;
+    bool                m_firstMotion;     /* gdk has no "gdk_drag_enter" event */
 
-    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 );
+    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; }
 };
 
 //-------------------------------------------------------------------------
-// wxDragSource
+// wxDropSource
 //-------------------------------------------------------------------------
 
-class wxDragSource: public wxObject
+class wxDropSource: public wxDropSourceBase
 {
-  public:
-
-    wxDragSource( wxWindow *win );
-    ~wxDragSource(void);
-    void SetData( char *data, const 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;
+public:
+    /* constructor. set data later with SetData() */
+    wxDropSource( wxWindow *win = (wxWindow *)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);
+
+    ~wxDropSource();
+
+    /* start drag action */
+    virtual wxDragResult DoDragDrop( bool bAllowMove = FALSE );
+
+    /* GTK implementation */
+    void RegisterWindow();
+    void UnregisterWindow();
+
+    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);
 };
 
-//-------------------------------------------------------------------------
-// wxTextDragSource
-//-------------------------------------------------------------------------
+#endif
 
-class wxTextDragSource: public wxDragSource
-{
-  public:
-
-    wxTextDragSource( wxWindow *win ) : wxDragSource(win) {};
-    void SetTextData( const wxString &text );
-    void RegisterWindow(void);
-    
-  private:
-  
-    wxString m_tmp;
-};
+   // wxUSE_DRAG_AND_DROP
 
-#endif  
+#endif
        //__GTKDNDH__