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Correct compilation for GTK < 2.4.
[wxWidgets.git] / src / gtk / dnd.cpp
diff --git a/src/gtk/dnd.cpp b/src/gtk/dnd.cpp
index 30b0b163cd7eb9e83b4e944000fbbc17b5e70560..ffd858bc7671da6c176f725146564777467ed252 100644 (file)
--- a/src/gtk/dnd.cpp
+++ b/src/gtk/dnd.cpp
@@ -1,5 +1,5 @@
 ///////////////////////////////////////////////////////////////////////////////
 ///////////////////////////////////////////////////////////////////////////////
-// Name:        dnd.cpp
+// Name:        src/gtk/dnd.cpp
 // Purpose:     wxDropTarget class
 // Author:      Robert Roebling
 // Id:          $Id$
 // Purpose:     wxDropTarget class
 // Author:      Robert Roebling
 // Id:          $Id$
@@ -7,24 +7,22 @@
 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-    #pragma implementation "dnd.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
-#include "wx/dnd.h"
-#include "wx/log.h"
-                                                                              
-                                                                               
 #if wxUSE_DRAG_AND_DROP
 
 #if wxUSE_DRAG_AND_DROP
 
-#include "wx/window.h"
-#include "wx/app.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"
+#endif
+
 #include "wx/gdicmn.h"
 #include "wx/gdicmn.h"
-#include "wx/intl.h"
-#include "wx/utils.h"
 
 #include "wx/gtk/private.h"
 
 
 #include "wx/gtk/private.h"
 
@@ -33,20 +31,6 @@
 #include <gtk/gtkdnd.h>
 #include <gtk/gtkselection.h>
 
 #include <gtk/gtkdnd.h>
 #include <gtk/gtkselection.h>
 
-//-----------------------------------------------------------------------------
-// idle system
-//-----------------------------------------------------------------------------
-
-extern void wxapp_install_idle_handler();
-extern bool g_isIdle;
-
-//-----------------------------------------------------------------------------
-// thread system
-//-----------------------------------------------------------------------------
-
-#if wxUSE_THREADS
-#endif
-
 //----------------------------------------------------------------------------
 // global data
 //----------------------------------------------------------------------------
 //----------------------------------------------------------------------------
 // global data
 //----------------------------------------------------------------------------
@@ -65,49 +49,81 @@ static const wxChar *TRACE_DND = _T("dnd");
 // 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        ",
+"                                ",
+"                                ",
+"                                ",
+"                                ",
+"                                "
+};
 
 
 // ============================================================================
 
 
 // ============================================================================
@@ -156,7 +172,7 @@ 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 );
@@ -255,7 +271,7 @@ 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;
 }
@@ -306,7 +322,7 @@ 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 );
 
@@ -322,7 +338,7 @@ static gboolean target_drag_drop( GtkWidget *widget,
     }
     else
     {
     }
     else
     {
-        wxLogTrace(TRACE_DND, wxT( "Drop target: OnDrop returned TRUE") );
+        wxLogTrace(TRACE_DND, wxT( "Drop target: OnDrop returned true") );
 
 #if wxUSE_THREADS
         /* disable GUI threads */
 
 #if wxUSE_THREADS
         /* disable GUI threads */
@@ -331,7 +347,7 @@ 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;
@@ -356,7 +372,7 @@ 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;
 }
@@ -400,7 +416,7 @@ static void target_drag_data_received( GtkWidget *WXUNUSED(widget),
 
     if ( wxIsDragResultOk( drop_target->OnData( x, y, result ) ) )
     {
 
     if ( wxIsDragResultOk( drop_target->OnData( x, y, result ) ) )
     {
-        wxLogTrace(TRACE_DND, wxT( "Drop target: OnData returned TRUE") );
+        wxLogTrace(TRACE_DND, wxT( "Drop target: OnData returned true") );
 
         /* tell GTK that data transfer was successful */
         gtk_drag_finish( context, TRUE, FALSE, time );
 
         /* tell GTK that data transfer was successful */
         gtk_drag_finish( context, TRUE, FALSE, time );
@@ -425,7 +441,7 @@ 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;
@@ -450,7 +466,7 @@ 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);
 }
@@ -478,7 +494,7 @@ 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 = (GdkAtom)(child->data);
         wxDataFormat format( formatAtom );
 
 #ifdef __WXDEBUG__
         wxDataFormat format( formatAtom );
 
 #ifdef __WXDEBUG__
@@ -498,19 +514,19 @@ 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 )
@@ -519,17 +535,14 @@ void wxDropTarget::UnregisterWidget( GtkWidget *widget )
 
     gtk_drag_dest_unset( widget );
 
 
     gtk_drag_dest_unset( widget );
 
-    gtk_signal_disconnect_by_func( GTK_OBJECT(widget),
-                      GTK_SIGNAL_FUNC(target_drag_leave), (gpointer) this );
-
-    gtk_signal_disconnect_by_func( GTK_OBJECT(widget),
-                      GTK_SIGNAL_FUNC(target_drag_motion), (gpointer) this );
-
-    gtk_signal_disconnect_by_func( GTK_OBJECT(widget),
-                      GTK_SIGNAL_FUNC(target_drag_drop), (gpointer) this );
-
-    gtk_signal_disconnect_by_func( GTK_OBJECT(widget),
-                      GTK_SIGNAL_FUNC(target_drag_data_received), (gpointer) this );
+    g_signal_handlers_disconnect_by_func (widget,
+                                          (gpointer) target_drag_leave, this);
+    g_signal_handlers_disconnect_by_func (widget,
+                                          (gpointer) target_drag_motion, this);
+    g_signal_handlers_disconnect_by_func (widget,
+                                          (gpointer) target_drag_drop, this);
+    g_signal_handlers_disconnect_by_func (widget,
+                                          (gpointer) target_drag_data_received, this);
 }
 
 void wxDropTarget::RegisterWidget( GtkWidget *widget )
 }
 
 void wxDropTarget::RegisterWidget( GtkWidget *widget )
@@ -552,17 +565,17 @@ void wxDropTarget::RegisterWidget( GtkWidget *widget )
                        0,                           /* number of targets = 0 */
                        (GdkDragAction) 0 );         /* we don't supply any actions here */
 
                        0,                           /* number of targets = 0 */
                        (GdkDragAction) 0 );         /* we don't supply any actions here */
 
-    gtk_signal_connect( GTK_OBJECT(widget), "drag_leave",
-                      GTK_SIGNAL_FUNC(target_drag_leave), (gpointer) this );
+    g_signal_connect (widget, "drag_leave",
+                      G_CALLBACK (target_drag_leave), this);
 
 
-    gtk_signal_connect( GTK_OBJECT(widget), "drag_motion",
-                      GTK_SIGNAL_FUNC(target_drag_motion), (gpointer) this );
+    g_signal_connect (widget, "drag_motion",
+                      G_CALLBACK (target_drag_motion), this);
 
 
-    gtk_signal_connect( GTK_OBJECT(widget), "drag_drop",
-                      GTK_SIGNAL_FUNC(target_drag_drop), (gpointer) this );
+    g_signal_connect (widget, "drag_drop",
+                      G_CALLBACK (target_drag_drop), this);
 
 
-    gtk_signal_connect( GTK_OBJECT(widget), "drag_data_received",
-                      GTK_SIGNAL_FUNC(target_drag_data_received), (gpointer) this );
+    g_signal_connect (widget, "drag_data_received",
+                      G_CALLBACK (target_drag_data_received), this);
 }
 
 //----------------------------------------------------------------------------
 }
 
 //----------------------------------------------------------------------------
@@ -623,11 +636,11 @@ 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 */
@@ -682,7 +695,7 @@ 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;
 }
 }
 
 }
 }
 
@@ -712,7 +725,7 @@ 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;
 
@@ -731,7 +744,7 @@ 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 );
 
@@ -786,28 +799,22 @@ void wxDropSource::PrepareIcon( int action, GdkDragContext *context )
     GdkPixmap *pixmap = icon->GetPixmap();
 
     gint width,height;
     GdkPixmap *pixmap = icon->GetPixmap();
 
     gint width,height;
-    gdk_window_get_size (pixmap, &width, &height);
+    gdk_drawable_get_size (pixmap, &width, &height);
 
     GdkColormap *colormap = gtk_widget_get_colormap( m_widget );
 
     GdkColormap *colormap = gtk_widget_get_colormap( m_widget );
-#ifndef __WXGTK20__
-    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 ();
-#endif
     gtk_widget_pop_colormap ();
 
     gtk_widget_pop_colormap ();
 
-    gtk_widget_set_usize (m_iconWindow, width, height);
+    gtk_widget_set_size_request (m_iconWindow, width, height);
     gtk_widget_realize (m_iconWindow);
 
     gtk_widget_realize (m_iconWindow);
 
-    gtk_signal_connect( GTK_OBJECT(m_iconWindow), "configure_event",
-        GTK_SIGNAL_FUNC(gtk_dnd_window_configure_callback), (gpointer)this );
+    g_signal_connect (m_iconWindow, "configure_event",
+                      G_CALLBACK (gtk_dnd_window_configure_callback), this);
 
     gdk_window_set_back_pixmap (m_iconWindow->window, pixmap, FALSE);
 
 
     gdk_window_set_back_pixmap (m_iconWindow->window, pixmap, FALSE);
 
@@ -827,11 +834,11 @@ wxDragResult wxDropSource::DoDragDrop(int flags)
         return wxDragNone;
 
     // disabled for now
         return wxDragNone;
 
     // 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 );
 
@@ -901,7 +908,7 @@ wxDragResult wxDropSource::DoDragDrop(int flags)
     /* re-enable GUI threads */
 #endif
 
     /* re-enable GUI threads */
 #endif
 
-    g_blockEventsOnDrag = FALSE;
+    g_blockEventsOnDrag = false;
 
     UnregisterWindow();
 
 
     UnregisterWindow();
 
@@ -912,29 +919,34 @@ void wxDropSource::RegisterWindow()
 {
     if (!m_widget) return;
 
 {
     if (!m_widget) return;
 
-    gtk_signal_connect( GTK_OBJECT(m_widget), "drag_data_get",
-                      GTK_SIGNAL_FUNC (source_drag_data_get), (gpointer) this);
-    gtk_signal_connect (GTK_OBJECT(m_widget), "drag_data_delete",
-                      GTK_SIGNAL_FUNC (source_drag_data_delete),  (gpointer) this );
-    gtk_signal_connect (GTK_OBJECT(m_widget), "drag_begin",
-                      GTK_SIGNAL_FUNC (source_drag_begin),  (gpointer) this );
-    gtk_signal_connect (GTK_OBJECT(m_widget), "drag_end",
-                      GTK_SIGNAL_FUNC (source_drag_end),  (gpointer) this );
+    g_signal_connect (m_widget, "drag_data_get",
+                      G_CALLBACK (source_drag_data_get), this);
+    g_signal_connect (m_widget, "drag_data_delete",
+                      G_CALLBACK (source_drag_data_delete), this);
+    g_signal_connect (m_widget, "drag_begin",
+                      G_CALLBACK (source_drag_begin), this);
+    g_signal_connect (m_widget, "drag_end",
+                      G_CALLBACK (source_drag_end), this);
 
 }
 
 void wxDropSource::UnregisterWindow()
 {
 
 }
 
 void wxDropSource::UnregisterWindow()
 {
-    if (!m_widget) return;
+    if (!m_widget)
+        return;
 
 
-    gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
-                      GTK_SIGNAL_FUNC(source_drag_data_get), (gpointer) this );
-    gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
-                      GTK_SIGNAL_FUNC(source_drag_data_delete), (gpointer) this );
-    gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
-                      GTK_SIGNAL_FUNC(source_drag_begin), (gpointer) this );
-    gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
-                      GTK_SIGNAL_FUNC(source_drag_end), (gpointer) this );
+    g_signal_handlers_disconnect_by_func (m_widget,
+                                          (gpointer) source_drag_data_get,
+                                          this);
+    g_signal_handlers_disconnect_by_func (m_widget,
+                                          (gpointer) source_drag_data_delete,
+                                          this);
+    g_signal_handlers_disconnect_by_func (m_widget,
+                                          (gpointer) source_drag_begin,
+                                          this);
+    g_signal_handlers_disconnect_by_func (m_widget,
+                                          (gpointer) source_drag_end,
+                                          this);
 }
 
 #endif
 }
 
 #endif
wxWidgets (Impactor)