add more flexible and safer template Connect() overloads (#10000)

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

diff --git a/src/gtk1/dnd.cpp b/src/gtk1/dnd.cpp
index d8487a913b1c8411ddc7febed532f7e084b4c0a7..47ce58b017564911277f9302a54e17b2a0021595 100644 (file)
--- a/src/gtk1/dnd.cpp
+++ b/src/gtk1/dnd.cpp
@@ -1,5 +1,5 @@
 ///////////////////////////////////////////////////////////////////////////////
 ///////////////////////////////////////////////////////////////////////////////

-// Name:        dnd.cpp
+// Name:        src/gtk1/dnd.cpp

 // Purpose:     wxDropTarget class
 // Author:      Robert Roebling
 // Id:          $Id$
 // Purpose:     wxDropTarget class
 // Author:      Robert Roebling
 // Id:          $Id$


@@ -7,21 +7,23 @@
 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 

-#ifdef __GNUG__
-    #pragma implementation "dnd.h"
-#endif
-
-#include "wx/dnd.h"
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"

 
 #if wxUSE_DRAG_AND_DROP
 
 
 #if wxUSE_DRAG_AND_DROP
 

-#include "wx/window.h"
-#include "wx/app.h"
-#include "wx/gdicmn.h"
-#include "wx/intl.h"
-#include "wx/utils.h"
+#include "wx/dnd.h"
+
+#ifndef WX_PRECOMP
+    #include "wx/intl.h"
+    #include "wx/log.h"
+    #include "wx/app.h"
+    #include "wx/utils.h"
+    #include "wx/window.h"
+    #include "wx/gdicmn.h"
+#endif

 
 

-#include "wx/gtk/private.h"
+#include "wx/gtk1/private.h"

 
 #include <gdk/gdkprivate.h>
 
 
 #include <gdk/gdkprivate.h>
 


@@ -54,55 +56,92 @@ static long gs_flagsForDrag = 0;
 // the trace mask we use with wxLogTrace() - call
 // wxLog::AddTraceMask(TRACE_DND) to enable the trace messages from here
 // (there are quite a few of them, so don't enable this by default)
 // the trace mask we use with wxLogTrace() - call
 // wxLog::AddTraceMask(TRACE_DND) to enable the trace messages from here
 // (there are quite a few of them, so don't enable this by default)

-static const wxChar *TRACE_DND = _T("dnd");
+#define TRACE_DND _T("dnd")
+
+// global variables because GTK+ DnD want to have the
+// mouse event that caused it
+extern GdkEvent *g_lastMouseEvent;
+extern int g_lastButtonNumber;

 
 //----------------------------------------------------------------------------
 // standard icons
 //----------------------------------------------------------------------------
 
 
 //----------------------------------------------------------------------------
 // standard icons
 //----------------------------------------------------------------------------
 

-/* XPM */
+/* Copyright (c) Julian Smart */

 static const char * page_xpm[] = {
 static const char * page_xpm[] = {

-/* width height ncolors chars_per_pixel */
-"32 32 5 1",
-/* colors */
-"         s None        c None",
-".        c black",
-"X        c wheat",
-"o        c tan",
-"O        c #6699FF",
+/* columns rows colors chars-per-pixel */
+"32 32 37 1",
+"5 c #7198D9",
+", c #769CDA",
+"2 c #DCE6F6",
+"i c #FFFFFF",
+"e c #779DDB",
+": c #9AB6E4",
+"9 c #EAF0FA",
+"- c #B1C7EB",
+"$ c #6992D7",
+"y c #F7F9FD",
+"= c #BED0EE",
+"q c #F0F5FC",
+"; c #A8C0E8",
+"@ c #366BC2",
+"  c None",
+"u c #FDFEFF",
+"8 c #5987D3",
+"* c #C4D5F0",
+"7 c #7CA0DC",
+"O c #487BCE",
+"< c #6B94D7",
+"& c #CCDAF2",
+"> c #89A9DF",
+"3 c #5584D1",
+"w c #82A5DE",
+"1 c #3F74CB",
+"+ c #3A70CA",
+". c #3569BF",
+"% c #D2DFF4",
+"# c #3366BB",
+"r c #F5F8FD",
+"0 c #FAFCFE",
+"4 c #DFE8F7",
+"X c #5E8AD4",
+"o c #5282D0",
+"t c #B8CCEC",
+"6 c #E5EDF9",

 /* pixels */
 /* pixels */

-"    ...................         ",
-"    .XXXXXXXXXXXXXXXXX..        ",
-"    .XXXXXXXXXXXXXXXXX.o.       ",
-"    .XXXXXXXXXXXXXXXXX.oo.      ",
-"    .XXXXXXXXXXXXXXXXX.ooo.     ",
-"    .XXXXXXXXXXXXXXXXX.oooo.    ",
-"    .XXXXXXXXXXXXXXXXX.......   ",
-"    .XXXXXOOOOOOOOOOXXXooooo.   ",
-"    .XXXXXXXXXXXXXXXXXXooooo.   ",
-"    .XXXXXOOOOOOOOOOXXXXXXXX.   ",
-"    .XXXXXXXXXXXXXXXXXXXXXXX.   ",
-"    .XXXXXXXOOOOOOOOOXXXXXXX.   ",
-"    .XXXXXXXXXXXXXXXXXXXXXXX.   ",
-"    .XXXXXXOOOOOOOOOOXXXXXXX.   ",
-"    .XXXXXXXXXXXXXXXXXXXXXXX.   ",
-"    .XXXXXOOOOOOOOOOXXXXXXXX.   ",
-"    .XXXXXXXXXXXXXXXXXXXXXXX.   ",
-"    .XXXXXXXOOOOOOOOOXXXXXXX.   ",
-"    .XXXXXXXXXXXXXXXXXXXXXXX.   ",
-"    .XXXXXXOOOOOOOOOOXXXXXXX.   ",
-"    .XXXXXXXXXXXXXXXXXXXXXXX.   ",
-"    .XXXXXOOOOOOOOOOXXXXXXXX.   ",
-"    .XXXXXXXXXXXXXXXXXXXXXXX.   ",
-"    .XXXXXXOOOOOOOOOOXXXXXXX.   ",
-"    .XXXXXXXXXXXXXXXXXXXXXXX.   ",
-"    .XXXXXOOOOOOOXXXXXXXXXXX.   ",
-"    .XXXXXXXXXXXXXXXXXXXXXXX.   ",
-"    .XXXXXXXXXXXXXXXXXXXXXXX.   ",
-"    .XXXXXXXXXXXXXXXXXXXXXXX.   ",
-"    .XXXXXXXXXXXXXXXXXXXXXXX.   ",
-"    .XXXXXXXXXXXXXXXXXXXXXXX.   ",
-"    .........................   "};
+"                                ",
+"                                ",
+"                                ",
+"                                ",
+"                                ",
+"       .XXXooOO++@#             ",
+"       $%&*=-;::>,<1            ",
+"       $2%&*=-;::><:3           ",
+"       $42%&*=-;::<&:3          ",
+"       56477<<<<8<<9&:X         ",
+"       59642%&*=-;<09&:5        ",
+"       5q9642%&*=-<<<<<#        ",
+"       5qqw777<<<<<88:>+        ",
+"       erqq9642%&*=t;::+        ",
+"       eyrqq9642%&*=t;:O        ",
+"       eyywwww777<<<<t;O        ",
+"       e0yyrqq9642%&*=to        ",
+"       e00yyrqq9642%&*=o        ",
+"       eu0wwwwwww777<&*X        ",
+"       euu00yyrqq9642%&X        ",
+"       eiuu00yyrqq9642%X        ",
+"       eiiwwwwwwwwww742$        ",
+"       eiiiuu00yyrqq964$        ",
+"       eiiiiuu00yyrqq96$        ",
+"       eiiiiiuu00yyrqq95        ",
+"       eiiiiiiuu00yyrqq5        ",
+"       eeeeeeeeeeeeee55e        ",
+"                                ",
+"                                ",
+"                                ",
+"                                ",
+"                                "
+};

 
 
 // ============================================================================
 
 
 // ============================================================================


@@ -110,7 +149,7 @@ static const char * page_xpm[] = {
 // ============================================================================
 
 // ----------------------------------------------------------------------------
 // ============================================================================
 
 // ----------------------------------------------------------------------------

-// convert between GTK+ and wxWindows DND constants
+// convert between GTK+ and wxWidgets DND constants

 // ----------------------------------------------------------------------------
 
 static wxDragResult ConvertFromGTK(long action)
 // ----------------------------------------------------------------------------
 
 static wxDragResult ConvertFromGTK(long action)


@@ -134,6 +173,7 @@ static wxDragResult ConvertFromGTK(long action)
 // "drag_leave"
 // ----------------------------------------------------------------------------
 
 // "drag_leave"
 // ----------------------------------------------------------------------------
 

+extern "C" {

 static void target_drag_leave( GtkWidget *WXUNUSED(widget),
                                GdkDragContext *context,
                                guint WXUNUSED(time),
 static void target_drag_leave( GtkWidget *WXUNUSED(widget),
                                GdkDragContext *context,
                                guint WXUNUSED(time),


@@ -150,16 +190,18 @@ static void target_drag_leave( GtkWidget *WXUNUSED(widget),
     drop_target->OnLeave();
 
     /* this has to be done because GDK has no "drag_enter" event */
     drop_target->OnLeave();
 
     /* this has to be done because GDK has no "drag_enter" event */

-    drop_target->m_firstMotion = TRUE;
+    drop_target->m_firstMotion = true;

 
     /* after this, invalidate the drop_target's GdkDragContext */
     drop_target->SetDragContext( (GdkDragContext*) NULL );
 }
 
     /* after this, invalidate the drop_target's GdkDragContext */
     drop_target->SetDragContext( (GdkDragContext*) NULL );
 }

+}

 
 // ----------------------------------------------------------------------------
 // "drag_motion"
 // ----------------------------------------------------------------------------
 
 
 // ----------------------------------------------------------------------------
 // "drag_motion"
 // ----------------------------------------------------------------------------
 

+extern "C" {

 static gboolean target_drag_motion( GtkWidget *WXUNUSED(widget),
                                     GdkDragContext *context,
                                     gint x,
 static gboolean target_drag_motion( GtkWidget *WXUNUSED(widget),
                                     GdkDragContext *context,
                                     gint x,


@@ -182,6 +224,9 @@ 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;
     // 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 ) )
     {
     if ( (gs_flagsForDrag & wxDrag_DefaultMove) == wxDrag_DefaultMove &&
             (context->actions & GDK_ACTION_MOVE ) )
     {


@@ -199,6 +244,21 @@ static gboolean target_drag_motion( GtkWidget *WXUNUSED(widget),
             result = wxDragCopy;
         }
     }
             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)
     {
 
     if (drop_target->m_firstMotion)
     {


@@ -229,15 +289,17 @@ static gboolean target_drag_motion( GtkWidget *WXUNUSED(widget),
     drop_target->SetDragContext( (GdkDragContext*) NULL );
 
     /* this has to be done because GDK has no "drag_enter" event */
     drop_target->SetDragContext( (GdkDragContext*) NULL );
 
     /* this has to be done because GDK has no "drag_enter" event */

-    drop_target->m_firstMotion = FALSE;
+    drop_target->m_firstMotion = false;

 
     return ret;
 }
 
     return ret;
 }

+}

 
 // ----------------------------------------------------------------------------
 // "drag_drop"
 // ----------------------------------------------------------------------------
 
 
 // ----------------------------------------------------------------------------
 // "drag_drop"
 // ----------------------------------------------------------------------------
 

+extern "C" {

 static gboolean target_drag_drop( GtkWidget *widget,
                                   GdkDragContext *context,
                                   gint x,
 static gboolean target_drag_drop( GtkWidget *widget,
                                   GdkDragContext *context,
                                   gint x,


@@ -278,7 +340,7 @@ static gboolean target_drag_drop( GtkWidget *widget,
     /* reset the block here as someone might very well
        show a dialog as a reaction to a drop and this
        wouldn't work without events */
     /* reset the block here as someone might very well
        show a dialog as a reaction to a drop and this
        wouldn't work without events */

-    g_blockEventsOnDrag = FALSE;
+    g_blockEventsOnDrag = false;

 
     bool ret = drop_target->OnDrop( x, y );
 
 
     bool ret = drop_target->OnDrop( x, y );
 


@@ -303,7 +365,7 @@ static gboolean target_drag_drop( GtkWidget *widget,
         GdkAtom format = drop_target->GetMatchingPair();
 
         // this does happen somehow, see bug 555111
         GdkAtom format = drop_target->GetMatchingPair();
 
         // this does happen somehow, see bug 555111

-        wxCHECK_MSG( format, FALSE, _T("no matching GdkAtom for format?") )
+        wxCHECK_MSG( format, FALSE, _T("no matching GdkAtom for format?") );

 
 /*
         GdkDragAction action = GDK_ACTION_MOVE;
 
 /*
         GdkDragAction action = GDK_ACTION_MOVE;


@@ -328,15 +390,17 @@ static gboolean target_drag_drop( GtkWidget *widget,
     drop_target->SetDragWidget( (GtkWidget*) NULL );
 
     /* this has to be done because GDK has no "drag_enter" event */
     drop_target->SetDragWidget( (GtkWidget*) NULL );
 
     /* this has to be done because GDK has no "drag_enter" event */

-    drop_target->m_firstMotion = TRUE;
+    drop_target->m_firstMotion = true;

 
     return ret;
 }
 
     return ret;
 }

+}

 
 // ----------------------------------------------------------------------------
 // "drag_data_received"
 // ----------------------------------------------------------------------------
 
 
 // ----------------------------------------------------------------------------
 // "drag_data_received"
 // ----------------------------------------------------------------------------
 

+extern "C" {

 static void target_drag_data_received( GtkWidget *WXUNUSED(widget),
                                        GdkDragContext *context,
                                        gint x,
 static void target_drag_data_received( GtkWidget *WXUNUSED(widget),
                                        GdkDragContext *context,
                                        gint x,


@@ -366,26 +430,27 @@ static void target_drag_data_received( GtkWidget *WXUNUSED(widget),
        this is only valid for the duration of this call */
     drop_target->SetDragData( data );
 
        this is only valid for the duration of this call */
     drop_target->SetDragData( data );
 

-    wxDragResult result = ConvertFromGTK(context->suggested_action);
+    wxDragResult result = ConvertFromGTK(context->action);

 
     if ( wxIsDragResultOk( drop_target->OnData( x, y, result ) ) )
     {
         wxLogTrace(TRACE_DND, wxT( "Drop target: OnData returned TRUE") );
 
 
     if ( wxIsDragResultOk( drop_target->OnData( x, y, result ) ) )
     {
         wxLogTrace(TRACE_DND, wxT( "Drop target: OnData returned TRUE") );
 

-        /* tell GTK that data transfer was successfull */
+        /* tell GTK that data transfer was successful */

         gtk_drag_finish( context, TRUE, FALSE, time );
     }
     else
     {
         wxLogTrace(TRACE_DND, wxT( "Drop target: OnData returned FALSE") );
 
         gtk_drag_finish( context, TRUE, FALSE, time );
     }
     else
     {
         wxLogTrace(TRACE_DND, wxT( "Drop target: OnData returned FALSE") );
 

-        /* tell GTK that data transfer was not successfull */
+        /* tell GTK that data transfer was not successful */

         gtk_drag_finish( context, FALSE, FALSE, time );
     }
 
     /* after this, invalidate the drop_target's drag data */
     drop_target->SetDragData( (GtkSelectionData*) NULL );
 }
         gtk_drag_finish( context, FALSE, FALSE, time );
     }
 
     /* after this, invalidate the drop_target's drag data */
     drop_target->SetDragData( (GtkSelectionData*) NULL );
 }

+}

 
 //----------------------------------------------------------------------------
 // wxDropTarget
 
 //----------------------------------------------------------------------------
 // wxDropTarget


@@ -394,7 +459,7 @@ static void target_drag_data_received( GtkWidget *WXUNUSED(widget),
 wxDropTarget::wxDropTarget( wxDataObject *data )
             : wxDropTargetBase( data )
 {
 wxDropTarget::wxDropTarget( wxDataObject *data )
             : wxDropTargetBase( data )
 {

-    m_firstMotion = TRUE;
+    m_firstMotion = true;

     m_dragContext = (GdkDragContext*) NULL;
     m_dragWidget = (GtkWidget*) NULL;
     m_dragData = (GtkSelectionData*) NULL;
     m_dragContext = (GdkDragContext*) NULL;
     m_dragWidget = (GtkWidget*) NULL;
     m_dragData = (GtkSelectionData*) NULL;


@@ -419,7 +484,7 @@ wxDragResult wxDropTarget::OnDragOver( wxCoord WXUNUSED(x),
 bool wxDropTarget::OnDrop( wxCoord WXUNUSED(x), wxCoord WXUNUSED(y) )
 {
     if (!m_dataObject)
 bool wxDropTarget::OnDrop( wxCoord WXUNUSED(x), wxCoord WXUNUSED(y) )
 {
     if (!m_dataObject)

-        return FALSE;
+        return false;

 
     return (GetMatchingPair() != (GdkAtom) 0);
 }
 
     return (GetMatchingPair() != (GdkAtom) 0);
 }


@@ -447,7 +512,7 @@ GdkAtom wxDropTarget::GetMatchingPair()
     GList *child = m_dragContext->targets;
     while (child)
     {
     GList *child = m_dragContext->targets;
     while (child)
     {

-        GdkAtom formatAtom = (GdkAtom) GPOINTER_TO_INT(child->data);
+        GdkAtom formatAtom = GPOINTER_TO_INT(child->data);

         wxDataFormat format( formatAtom );
 
 #ifdef __WXDEBUG__
         wxDataFormat format( formatAtom );
 
 #ifdef __WXDEBUG__


@@ -467,19 +532,19 @@ GdkAtom wxDropTarget::GetMatchingPair()
 bool wxDropTarget::GetData()
 {
     if (!m_dragData)
 bool wxDropTarget::GetData()
 {
     if (!m_dragData)

-        return FALSE;
+        return false;

 
     if (!m_dataObject)
 
     if (!m_dataObject)

-        return FALSE;
+        return false;

 
     wxDataFormat dragFormat( m_dragData->target );
 
     if (!m_dataObject->IsSupportedFormat( dragFormat ))
 
     wxDataFormat dragFormat( m_dragData->target );
 
     if (!m_dataObject->IsSupportedFormat( dragFormat ))

-        return FALSE;
+        return false;

 
     m_dataObject->SetData( dragFormat, (size_t)m_dragData->length, (const void*)m_dragData->data );
 
 
     m_dataObject->SetData( dragFormat, (size_t)m_dragData->length, (const void*)m_dragData->data );
 

-    return TRUE;
+    return true;

 }
 
 void wxDropTarget::UnregisterWidget( GtkWidget *widget )
 }
 
 void wxDropTarget::UnregisterWidget( GtkWidget *widget )


@@ -538,6 +603,7 @@ void wxDropTarget::RegisterWidget( GtkWidget *widget )
 // "drag_data_get"
 //----------------------------------------------------------------------------
 
 // "drag_data_get"
 //----------------------------------------------------------------------------
 

+extern "C" {

 static void
 source_drag_data_get  (GtkWidget          *WXUNUSED(widget),
                        GdkDragContext     *WXUNUSED(context),
 static void
 source_drag_data_get  (GtkWidget          *WXUNUSED(widget),
                        GdkDragContext     *WXUNUSED(context),


@@ -591,11 +657,11 @@ source_drag_data_get  (GtkWidget          *WXUNUSED(widget),
     /* disable GUI threads */
 #endif
 
     /* disable GUI threads */
 #endif
 

-                gtk_selection_data_set( selection_data,
-                                        selection_data->target,
-                                        8,   // 8-bit
-                                        d,
-                                        size );
+    gtk_selection_data_set( selection_data,
+                            selection_data->target,
+                            8,   // 8-bit
+                            d,
+                            size );

 
 #if wxUSE_THREADS
     /* enable GUI threads */
 
 #if wxUSE_THREADS
     /* enable GUI threads */


@@ -603,13 +669,15 @@ source_drag_data_get  (GtkWidget          *WXUNUSED(widget),
 
     delete[] d;
 }
 
     delete[] d;
 }

+}

 
 //----------------------------------------------------------------------------
 // "drag_data_delete"
 //----------------------------------------------------------------------------
 
 
 //----------------------------------------------------------------------------
 // "drag_data_delete"
 //----------------------------------------------------------------------------
 

+extern "C" {

 static void source_drag_data_delete( GtkWidget *WXUNUSED(widget),
 static void source_drag_data_delete( GtkWidget *WXUNUSED(widget),

-                                     GdkDragContext *context,
+                                     GdkDragContext *WXUNUSED(context),

                                      wxDropSource *WXUNUSED(drop_source) )
 {
     if (g_isIdle)
                                      wxDropSource *WXUNUSED(drop_source) )
 {
     if (g_isIdle)


@@ -617,11 +685,13 @@ static void source_drag_data_delete( GtkWidget *WXUNUSED(widget),
 
     // printf( "Drag source: drag_data_delete\n" );
 }
 
     // printf( "Drag source: drag_data_delete\n" );
 }

+}

 
 //----------------------------------------------------------------------------
 // "drag_begin"
 //----------------------------------------------------------------------------
 
 
 //----------------------------------------------------------------------------
 // "drag_begin"
 //----------------------------------------------------------------------------
 

+extern "C" {

 static void source_drag_begin( GtkWidget          *WXUNUSED(widget),
                                GdkDragContext     *WXUNUSED(context),
                                wxDropSource       *WXUNUSED(drop_source) )
 static void source_drag_begin( GtkWidget          *WXUNUSED(widget),
                                GdkDragContext     *WXUNUSED(context),
                                wxDropSource       *WXUNUSED(drop_source) )


@@ -631,11 +701,13 @@ static void source_drag_begin( GtkWidget          *WXUNUSED(widget),
 
     // printf( "Drag source: drag_begin.\n" );
 }
 
     // printf( "Drag source: drag_begin.\n" );
 }

+}

 
 //----------------------------------------------------------------------------
 // "drag_end"
 //----------------------------------------------------------------------------
 
 
 //----------------------------------------------------------------------------
 // "drag_end"
 //----------------------------------------------------------------------------
 

+extern "C" {

 static void source_drag_end( GtkWidget          *WXUNUSED(widget),
                              GdkDragContext     *WXUNUSED(context),
                              wxDropSource       *drop_source )
 static void source_drag_end( GtkWidget          *WXUNUSED(widget),
                              GdkDragContext     *WXUNUSED(context),
                              wxDropSource       *drop_source )


@@ -644,13 +716,15 @@ static void source_drag_end( GtkWidget          *WXUNUSED(widget),
 
     // printf( "Drag source: drag_end.\n" );
 
 
     // printf( "Drag source: drag_end.\n" );
 

-    drop_source->m_waiting = FALSE;
+    drop_source->m_waiting = false;
+}

 }
 
 //-----------------------------------------------------------------------------
 // "configure_event" from m_iconWindow
 //-----------------------------------------------------------------------------
 
 }
 
 //-----------------------------------------------------------------------------
 // "configure_event" from m_iconWindow
 //-----------------------------------------------------------------------------
 

+extern "C" {

 static gint
 gtk_dnd_window_configure_callback( GtkWidget *WXUNUSED(widget), GdkEventConfigure *WXUNUSED(event), wxDropSource *source )
 {
 static gint
 gtk_dnd_window_configure_callback( GtkWidget *WXUNUSED(widget), GdkEventConfigure *WXUNUSED(event), wxDropSource *source )
 {


@@ -661,6 +735,7 @@ gtk_dnd_window_configure_callback( GtkWidget *WXUNUSED(widget), GdkEventConfigur
 
     return 0;
 }
 
     return 0;
 }

+}

 
 //---------------------------------------------------------------------------
 // wxDropSource
 
 //---------------------------------------------------------------------------
 // wxDropSource


@@ -671,7 +746,7 @@ wxDropSource::wxDropSource(wxWindow *win,
                            const wxIcon &iconMove,
                            const wxIcon &iconNone)
 {
                            const wxIcon &iconMove,
                            const wxIcon &iconNone)
 {

-    m_waiting = TRUE;
+    m_waiting = true;

 
     m_iconWindow = (GtkWidget*) NULL;
 
 
     m_iconWindow = (GtkWidget*) NULL;
 


@@ -690,7 +765,7 @@ wxDropSource::wxDropSource(wxDataObject& data,
                            const wxIcon &iconMove,
                            const wxIcon &iconNone)
 {
                            const wxIcon &iconMove,
                            const wxIcon &iconNone)
 {

-    m_waiting = TRUE;
+    m_waiting = true;

 
     SetData( data );
 
 
     SetData( data );
 


@@ -748,18 +823,14 @@ void wxDropSource::PrepareIcon( int action, GdkDragContext *context )
     gdk_window_get_size (pixmap, &width, &height);
 
     GdkColormap *colormap = gtk_widget_get_colormap( m_widget );
     gdk_window_get_size (pixmap, &width, &height);
 
     GdkColormap *colormap = gtk_widget_get_colormap( m_widget );

-#ifndef __WXGTK20__

     gtk_widget_push_visual (gdk_colormap_get_visual (colormap));
     gtk_widget_push_visual (gdk_colormap_get_visual (colormap));

-#endif

     gtk_widget_push_colormap (colormap);
 
     m_iconWindow = gtk_window_new (GTK_WINDOW_POPUP);
     gtk_widget_set_events (m_iconWindow, GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK);
     gtk_widget_set_app_paintable (GTK_WIDGET (m_iconWindow), TRUE);
 
     gtk_widget_push_colormap (colormap);
 
     m_iconWindow = gtk_window_new (GTK_WINDOW_POPUP);
     gtk_widget_set_events (m_iconWindow, GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK);
     gtk_widget_set_app_paintable (GTK_WIDGET (m_iconWindow), TRUE);
 

-#ifndef __WXGTK20__

     gtk_widget_pop_visual ();
     gtk_widget_pop_visual ();

-#endif

     gtk_widget_pop_colormap ();
 
     gtk_widget_set_usize (m_iconWindow, width, height);
     gtk_widget_pop_colormap ();
 
     gtk_widget_set_usize (m_iconWindow, width, height);


@@ -785,12 +856,20 @@ wxDragResult wxDropSource::DoDragDrop(int flags)
     if (g_blockEventsOnDrag)
         return wxDragNone;
 
     if (g_blockEventsOnDrag)
         return wxDragNone;
 

+    // don't start dragging if no button is down
+    if (g_lastButtonNumber == 0)
+        return wxDragNone;
+        
+    // we can only start a drag after a mouse event
+    if (g_lastMouseEvent == NULL)
+        return wxDragNone;
+

     // disabled for now
     // disabled for now

-    g_blockEventsOnDrag = TRUE;
+    g_blockEventsOnDrag = true;

 
     RegisterWindow();
 
 
     RegisterWindow();
 

-    m_waiting = TRUE;
+    m_waiting = true;

 
     GtkTargetList *target_list = gtk_target_list_new( (GtkTargetEntry*) NULL, 0 );
 
 
     GtkTargetList *target_list = gtk_target_list_new( (GtkTargetEntry*) NULL, 0 );
 


@@ -805,30 +884,6 @@ wxDragResult wxDropSource::DoDragDrop(int flags)
     }
     delete[] array;
 
     }
     delete[] array;
 

-    GdkEventMotion event;
-    event.window = m_widget->window;
-    int x = 0;
-    int y = 0;
-    GdkModifierType state;
-    gdk_window_get_pointer( event.window, &x, &y, &state );
-    event.x = x;
-    event.y = y;
-    event.state = state;
-    event.time = (guint32)GDK_CURRENT_TIME;
-
-    /* GTK wants to know which button was pressed which caused the dragging */
-    int button_number = 0;
-    if (event.state & GDK_BUTTON1_MASK) button_number = 1;
-    else if (event.state & GDK_BUTTON2_MASK) button_number = 2;
-    else if (event.state & GDK_BUTTON3_MASK) button_number = 3;
-
-#if wxUSE_THREADS
-    /* disable GUI threads */
-#endif
-
-    /* don't start dragging if no button is down */
-    if (button_number)
-    {

         int action = GDK_ACTION_COPY;
         if ( flags & wxDrag_AllowMove )
             action |= GDK_ACTION_MOVE;
         int action = GDK_ACTION_COPY;
         if ( flags & wxDrag_AllowMove )
             action |= GDK_ACTION_MOVE;


@@ -841,8 +896,8 @@ wxDragResult wxDropSource::DoDragDrop(int flags)
         GdkDragContext *context = gtk_drag_begin( m_widget,
                 target_list,
                 (GdkDragAction)action,
         GdkDragContext *context = gtk_drag_begin( m_widget,
                 target_list,
                 (GdkDragAction)action,

-                button_number,  /* number of mouse button which started drag */
-                (GdkEvent*) &event );
+                g_lastButtonNumber,  // number of mouse button which started drag
+                (GdkEvent*) g_lastMouseEvent );

 
         m_dragContext = context;
 
 
         m_dragContext = context;
 


@@ -854,13 +909,8 @@ wxDragResult wxDropSource::DoDragDrop(int flags)
         m_retValue = ConvertFromGTK(context->action);
         if ( m_retValue == wxDragNone )
             m_retValue = wxDragCancel;
         m_retValue = ConvertFromGTK(context->action);
         if ( m_retValue == wxDragNone )
             m_retValue = wxDragCancel;

-    }
-
-#if wxUSE_THREADS
-    /* re-enable GUI threads */
-#endif

 
 

-    g_blockEventsOnDrag = FALSE;
+    g_blockEventsOnDrag = false;

 
     UnregisterWindow();
 
 
     UnregisterWindow();