Applied patch [ 1163322 ] Patch to prevent MDI app from opening the same file twice

[wxWidgets.git] / src / gtk1 / dnd.cpp

diff --git a/src/gtk1/dnd.cpp b/src/gtk1/dnd.cpp
index 02701c7a5408c48ff8befae7b3a87d692c741ec8..8fdfda9c2a01679fd10f8e2f31eafc1820a4a960 100644 (file)
--- a/src/gtk1/dnd.cpp
+++ b/src/gtk1/dnd.cpp
@@ -139,6 +139,7 @@ static wxDragResult ConvertFromGTK(long action)
 // "drag_leave"
 // ----------------------------------------------------------------------------
 
+extern "C" {
 static void target_drag_leave( GtkWidget *WXUNUSED(widget),
                                GdkDragContext *context,
                                guint WXUNUSED(time),
@@ -160,11 +161,13 @@ static void target_drag_leave( GtkWidget *WXUNUSED(widget),
     /* after this, invalidate the drop_target's GdkDragContext */
     drop_target->SetDragContext( (GdkDragContext*) NULL );
 }
+}
 
 // ----------------------------------------------------------------------------
 // "drag_motion"
 // ----------------------------------------------------------------------------
 
+extern "C" {
 static gboolean target_drag_motion( GtkWidget *WXUNUSED(widget),
                                     GdkDragContext *context,
                                     gint x,
@@ -187,6 +190,9 @@ static gboolean target_drag_motion( GtkWidget *WXUNUSED(widget),
     // only good if we don't have our own preferences - but also the actions
     // field
     wxDragResult result;
+    if (drop_target->GetDefaultAction() == wxDragNone)
+    {
+        // use default action set by wxDropSource::DoDragDrop()
     if ( (gs_flagsForDrag & wxDrag_DefaultMove) == wxDrag_DefaultMove &&
             (context->actions & GDK_ACTION_MOVE ) )
     {
@@ -204,6 +210,21 @@ static gboolean target_drag_motion( GtkWidget *WXUNUSED(widget),
             result = wxDragCopy;
         }
     }
+    }
+    else if (drop_target->GetDefaultAction() == wxDragMove &&
+                (context->actions & GDK_ACTION_MOVE))
+    {
+       result = wxDragMove;
+    }
+    else
+    {
+        if (context->actions & GDK_ACTION_COPY)
+            result = wxDragCopy;
+        else if (context->actions & GDK_ACTION_MOVE)
+            result = wxDragMove;
+        else
+            result = wxDragNone;
+    }
 
     if (drop_target->m_firstMotion)
     {
@@ -220,9 +241,7 @@ static gboolean target_drag_motion( GtkWidget *WXUNUSED(widget),
     if (ret)
     {
         GdkDragAction action;
-        if ((result == wxDragCopy) && (context->actions & GDK_ACTION_COPY) ||
-            (result == wxDragMove) && !(context->actions & GDK_ACTION_MOVE) ||
-            (result == wxDragLink) && !(context->actions & GDK_ACTION_LINK))
+        if (result == wxDragCopy)
             action = GDK_ACTION_COPY;
         else if (result == wxDragLink)
             action = GDK_ACTION_LINK;
@@ -240,11 +259,13 @@ static gboolean target_drag_motion( GtkWidget *WXUNUSED(widget),
 
     return ret;
 }
+}
 
 // ----------------------------------------------------------------------------
 // "drag_drop"
 // ----------------------------------------------------------------------------
 
+extern "C" {
 static gboolean target_drag_drop( GtkWidget *widget,
                                   GdkDragContext *context,
                                   gint x,
@@ -339,11 +360,13 @@ static gboolean target_drag_drop( GtkWidget *widget,
 
     return ret;
 }
+}
 
 // ----------------------------------------------------------------------------
 // "drag_data_received"
 // ----------------------------------------------------------------------------
 
+extern "C" {
 static void target_drag_data_received( GtkWidget *WXUNUSED(widget),
                                        GdkDragContext *context,
                                        gint x,
@@ -393,6 +416,7 @@ static void target_drag_data_received( GtkWidget *WXUNUSED(widget),
     /* after this, invalidate the drop_target's drag data */
     drop_target->SetDragData( (GtkSelectionData*) NULL );
 }
+}
 
 //----------------------------------------------------------------------------
 // wxDropTarget
@@ -545,6 +569,7 @@ void wxDropTarget::RegisterWidget( GtkWidget *widget )
 // "drag_data_get"
 //----------------------------------------------------------------------------
 
+extern "C" {
 static void
 source_drag_data_get  (GtkWidget          *WXUNUSED(widget),
                        GdkDragContext     *WXUNUSED(context),
@@ -610,11 +635,13 @@ source_drag_data_get  (GtkWidget          *WXUNUSED(widget),
 
     delete[] d;
 }
+}
 
 //----------------------------------------------------------------------------
 // "drag_data_delete"
 //----------------------------------------------------------------------------
 
+extern "C" {
 static void source_drag_data_delete( GtkWidget *WXUNUSED(widget),
                                      GdkDragContext *context,
                                      wxDropSource *WXUNUSED(drop_source) )
@@ -624,11 +651,13 @@ static void source_drag_data_delete( GtkWidget *WXUNUSED(widget),
 
     // printf( "Drag source: drag_data_delete\n" );
 }
+}
 
 //----------------------------------------------------------------------------
 // "drag_begin"
 //----------------------------------------------------------------------------
 
+extern "C" {
 static void source_drag_begin( GtkWidget          *WXUNUSED(widget),
                                GdkDragContext     *WXUNUSED(context),
                                wxDropSource       *WXUNUSED(drop_source) )
@@ -638,11 +667,13 @@ static void source_drag_begin( GtkWidget          *WXUNUSED(widget),
 
     // printf( "Drag source: drag_begin.\n" );
 }
+}
 
 //----------------------------------------------------------------------------
 // "drag_end"
 //----------------------------------------------------------------------------
 
+extern "C" {
 static void source_drag_end( GtkWidget          *WXUNUSED(widget),
                              GdkDragContext     *WXUNUSED(context),
                              wxDropSource       *drop_source )
@@ -653,11 +684,13 @@ static void source_drag_end( GtkWidget          *WXUNUSED(widget),
 
     drop_source->m_waiting = FALSE;
 }
+}
 
 //-----------------------------------------------------------------------------
 // "configure_event" from m_iconWindow
 //-----------------------------------------------------------------------------
 
+extern "C" {
 static gint
 gtk_dnd_window_configure_callback( GtkWidget *WXUNUSED(widget), GdkEventConfigure *WXUNUSED(event), wxDropSource *source )
 {
@@ -668,6 +701,7 @@ gtk_dnd_window_configure_callback( GtkWidget *WXUNUSED(widget), GdkEventConfigur
 
     return 0;
 }
+}
 
 //---------------------------------------------------------------------------
 // wxDropSource