1. added support for bitmaps with alpha channel

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

diff --git a/include/wx/dnd.h b/include/wx/dnd.h
index 61f7625876e2d4ef4a025c0f57edab6cb53083fa..7c4bce111da3d7077a22e298802d5791a5f2cc7e 100644 (file)
--- a/include/wx/dnd.h
+++ b/include/wx/dnd.h
@@ -5,14 +5,14 @@
 // Modified by:
 // Created:     26.05.99
 // RCS-ID:      $Id$
-// Copyright:   (c) wxWindows Team
-// Licence:     wxWindows license
+// Copyright:   (c) wxWidgets Team
+// Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
 #ifndef _WX_DND_H_BASE_
 #define _WX_DND_H_BASE_
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
     #pragma interface "dndbase.h"
 #endif
 
@@ -27,6 +27,17 @@
 // constants
 // ----------------------------------------------------------------------------
 
+// flags for wxDropSource::DoDragDrop()
+//
+// NB: wxDrag_CopyOnly must be 0 (== FALSE) and wxDrag_AllowMove must be 1
+//     (== TRUE) for compatibility with the old DoDragDrop(bool) method!
+enum
+{
+    wxDrag_CopyOnly    = 0, // allow only copying
+    wxDrag_AllowMove   = 1, // allow moving (copying is always allowed)
+    wxDrag_DefaultMove = 3  // the default operation is move, not copy
+};
+
 // result of wxDropSource::DoDragDrop() call
 enum wxDragResult
 {
@@ -80,8 +91,10 @@ public:
 
     // start drag action, see enum wxDragResult for return value description
     //
-    // if bAllowMove is TRUE, data can be moved, if not - only copied
-    virtual wxDragResult DoDragDrop(bool bAllowMove = FALSE) = 0;
+    // if flags contains wxDrag_AllowMove, moving (and only copying) data is
+    // allowed, if it contains wxDrag_DefaultMove (which includes the previous
+    // flag), it is even the default operation
+    virtual wxDragResult DoDragDrop(int flags = wxDrag_CopyOnly) = 0;
 
     // override to give feedback depending on the current operation result
     // "effect" and return TRUE if you did something, FALSE to let the library
@@ -99,10 +112,15 @@ protected:
             return m_cursorStop;
     }
 
+    // the data we're dragging
     wxDataObject *m_data;
 
     // the cursors to use for feedback
-    wxCursor      m_cursorCopy, m_cursorMove, m_cursorStop;
+    wxCursor m_cursorCopy,
+             m_cursorMove,
+             m_cursorStop;
+
+    DECLARE_NO_COPY_CLASS(wxDropSourceBase)
 };
 
 // ----------------------------------------------------------------------------
@@ -176,6 +194,8 @@ public:
 
 protected:
     wxDataObject *m_dataObject;
+
+    DECLARE_NO_COPY_CLASS(wxDropTargetBase)
 };
 
 // ----------------------------------------------------------------------------
@@ -195,8 +215,6 @@ protected:
     #include "wx/mac/dnd.h"
 #elif defined(__WXPM__)
     #include "wx/os2/dnd.h"
-#elif defined(__WXSTUBS__)
-    #include "wx/stubs/dnd.h"
 #endif
 
 // ----------------------------------------------------------------------------
@@ -213,6 +231,9 @@ public:
     virtual bool OnDropText(wxCoord x, wxCoord y, const wxString& text) = 0;
 
     virtual wxDragResult OnData(wxCoord x, wxCoord y, wxDragResult def);
+
+private:
+    DECLARE_NO_COPY_CLASS(wxTextDropTarget)
 };
 
 // A drop target which accepts files (dragged from File Manager or Explorer)
@@ -226,6 +247,9 @@ public:
                              const wxArrayString& filenames) = 0;
 
     virtual wxDragResult OnData(wxCoord x, wxCoord y, wxDragResult def);
+
+private:
+    DECLARE_NO_COPY_CLASS(wxFileDropTarget)
 };
 
 #endif // wxUSE_DRAG_AND_DROP