]> git.saurik.com Git - wxWidgets.git/blobdiff - src/gtk/window.cpp
1. don't assert if we're passed an empty defaultDir and full path in
[wxWidgets.git] / src / gtk / window.cpp
index 2db80f389625c91d45986d3d5f78bdd9d3c4f1c3..4d3c7dafe9baa43ddce4c17bfe852c208169b832 100644 (file)
 #include "wx/window.h"
 
 #ifndef WX_PRECOMP
-    #include "wx/intl.h"
     #include "wx/log.h"
     #include "wx/app.h"
-    #include "wx/utils.h"
     #include "wx/frame.h"
     #include "wx/dcclient.h"
     #include "wx/menu.h"
-    #include "wx/dialog.h"
     #include "wx/settings.h"
     #include "wx/msgdlg.h"
     #include "wx/textctrl.h"
+    #include "wx/radiobut.h"
     #include "wx/toolbar.h"
     #include "wx/combobox.h"
     #include "wx/layout.h"
-    #include "wx/statusbr.h"
     #include "wx/math.h"
-    #include "wx/module.h"
 #endif
 
-#if wxUSE_DRAG_AND_DROP
-    #include "wx/dnd.h"
-#endif
-
-#if wxUSE_TOOLTIPS
-    #include "wx/tooltip.h"
-#endif
-
-#if wxUSE_CARET
-    #include "wx/caret.h"
-#endif // wxUSE_CARET
-
+#include "wx/dnd.h"
+#include "wx/tooltip.h"
+#include "wx/caret.h"
 #include "wx/fontutil.h"
 
 #ifdef __WXDEBUG__
 // FIXME: Due to a hack we use GtkCombo in here, which is deprecated since gtk2.3.0
 #include <gtk/gtkversion.h>
 #if defined(GTK_DISABLE_DEPRECATED) && GTK_CHECK_VERSION(2,3,0)
-#undef GTK_DISABLE_DEPRECATED
+    #undef GTK_DISABLE_DEPRECATED
+    #include <gtk/gtkcombo.h>
+    #define GTK_DISABLE_DEPRECATED
 #endif
 
 #include "wx/gtk/private.h"
-#include <gdk/gdkprivate.h>
+#include "wx/gtk/win_gtk.h"
 #include <gdk/gdkkeysyms.h>
 #include <gdk/gdkx.h>
 
-#include <gtk/gtk.h>
-#include <gtk/gtkprivate.h>
-
-#include "wx/gtk/win_gtk.h"
-
-#include <pango/pangox.h>
-
-#ifdef HAVE_XIM
-    #undef HAVE_XIM
-#endif
-
 //-----------------------------------------------------------------------------
 // documentation on internals
 //-----------------------------------------------------------------------------
@@ -232,6 +210,11 @@ wxWindowGTK *g_focusWindowLast = (wxWindowGTK*) NULL;
 // yet, defer setting the focus to idle time.
 wxWindowGTK *g_delayedFocus = (wxWindowGTK*) NULL;
 
+// global variables because GTK+ DnD want to have the
+// mouse event that caused it
+GdkEvent    *g_lastMouseEvent = (GdkEvent*) NULL;
+int          g_lastButtonNumber = 0;
+
 extern bool g_mainThreadLocked;
 
 //-----------------------------------------------------------------------------
@@ -348,13 +331,13 @@ static void draw_frame( GtkWidget *widget, wxWindowGTK *win )
 
     int x = dx;
     int y = dy;
-    
+
     int dw = 0;
     int dh = 0;
     if (win->m_hasScrolling)
     {
         GetScrollbarWidth(widget, dw, dh);
-        
+
         if (win->GetLayoutDirection() == wxLayout_RightToLeft)
         {
             // This is actually wrong for old GTK+ version
@@ -460,10 +443,16 @@ void wxgtk_combo_size_request_callback(GtkWidget *widget,
     GtkRequisition entry_req;
     entry_req.width = 2;
     entry_req.height = 2;
+    (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(gcombo->entry) )->size_request )
+        (gcombo->entry, &entry_req );
+
+    GtkRequisition button_req;
+    button_req.width = 2;
+    button_req.height = 2;
     (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(gcombo->button) )->size_request )
-        (gcombo->button, &entry_req );
+        (gcombo->button, &button_req );
 
-    requisition->width = w - entry_req.width;
+    requisition->width = w - button_req.width;
     requisition->height = entry_req.height;
 }
 }
@@ -487,7 +476,12 @@ gtk_window_expose_callback( GtkWidget *widget,
     // time anymore.
 
     GtkPizza *pizza = GTK_PIZZA( widget );
-    if (gdk_event->window != pizza->bin_window) return FALSE;
+    if (gdk_event->window != pizza->bin_window)
+    {
+        // block expose events on GTK_WIDGET(pizza)->window,
+        //   all drawing is done on pizza->bin_window
+        return true;
+    }
 
 
 #if 0
@@ -1283,7 +1277,7 @@ template<typename T> void InitMouseEvent(wxWindowGTK *win,
     wxPoint pt = win->GetClientAreaOrigin();
     event.m_x = (wxCoord)gdk_event->x - pt.x;
     event.m_y = (wxCoord)gdk_event->y - pt.y;
-    
+
     if ((win->m_wxwindow) && (win->GetLayoutDirection() == wxLayout_RightToLeft))
     {
         // origin in the upper right corner
@@ -1473,6 +1467,8 @@ gtk_window_button_press_callback( GtkWidget *widget,
 {
     wxCOMMON_CALLBACK_PROLOGUE(gdk_event, win);
 
+    g_lastButtonNumber = gdk_event->button;
+
     if (win->m_wxwindow && (g_focusWindow != win) && win->AcceptsFocus())
     {
         gtk_widget_grab_focus( win->m_wxwindow );
@@ -1481,7 +1477,7 @@ gtk_window_button_press_callback( GtkWidget *widget,
     // GDK sends surplus button down events
     // before a double click event. We
     // need to filter these out.
-    if (gdk_event->type == GDK_BUTTON_PRESS)
+    if ((gdk_event->type == GDK_BUTTON_PRESS) && (win->m_wxwindow))
     {
         GdkEvent *peek_event = gdk_event_peek();
         if (peek_event)
@@ -1589,6 +1585,8 @@ gtk_window_button_press_callback( GtkWidget *widget,
         return FALSE;
     }
 
+    g_lastMouseEvent = (GdkEvent*) gdk_event;
+
     wxMouseEvent event( event_type );
     InitMouseEvent( win, event, gdk_event );
 
@@ -1608,10 +1606,10 @@ gtk_window_button_press_callback( GtkWidget *widget,
     event.SetEventObject( win );
     event.SetId( win->GetId() );
 
-    if (win->GTKProcessEvent( event ))
-    {
+    bool ret = win->GTKProcessEvent( event );
+    g_lastMouseEvent = NULL;
+    if ( ret )
         return TRUE;
-    }
 
     if (event_type == wxEVT_RIGHT_DOWN)
     {
@@ -1644,6 +1642,8 @@ gtk_window_button_release_callback( GtkWidget *widget,
 {
     wxCOMMON_CALLBACK_PROLOGUE(gdk_event, win);
 
+    g_lastButtonNumber = 0;
+
     wxEventType event_type = wxEVT_NULL;
 
     switch (gdk_event->button)
@@ -1665,6 +1665,8 @@ gtk_window_button_release_callback( GtkWidget *widget,
             return FALSE;
     }
 
+    g_lastMouseEvent = (GdkEvent*) gdk_event;
+
     wxMouseEvent event( event_type );
     InitMouseEvent( win, event, gdk_event );
 
@@ -1704,6 +1706,8 @@ gtk_window_motion_notify_callback( GtkWidget *widget,
         gdk_event->y = y;
     }
 
+    g_lastMouseEvent = (GdkEvent*) gdk_event;
+
     wxMouseEvent event( wxEVT_MOTION );
     InitMouseEvent(win, event, gdk_event);
 
@@ -1746,7 +1750,11 @@ gtk_window_motion_notify_callback( GtkWidget *widget,
         }
     }
 
-    return win->GTKProcessEvent(event);
+    bool ret = win->GTKProcessEvent(event);
+
+    g_lastMouseEvent = NULL;
+
+    return ret;
 }
 
 //-----------------------------------------------------------------------------
@@ -1827,11 +1835,6 @@ gtk_window_focus_in_callback( GtkWidget *widget,
     wxLogTrace(TRACE_FOCUS,
                _T("%s: focus in"), win->GetName().c_str());
 
-#ifdef HAVE_XIM
-    if (win->m_ic)
-        gdk_im_begin(win->m_ic, win->m_wxwindow->window);
-#endif
-
 #if wxUSE_CARET
     // caret needs to be informed about focus change
     wxCaret *caret = win->GetCaret();
@@ -1888,11 +1891,6 @@ gtk_window_focus_out_callback( GtkWidget *widget,
 
     g_focusWindow = (wxWindowGTK *)NULL;
 
-#ifdef HAVE_XIM
-    if (win->m_ic)
-        gdk_im_end();
-#endif
-
 #if wxUSE_CARET
     // caret needs to be informed about focus change
     wxCaret *caret = win->GetCaret();
@@ -2020,7 +2018,7 @@ gtk_scrollbar_value_changed(GtkRange* range, wxWindow* win)
         wxWindowGTK::ScrollDir dir = win->ScrollDirFromRange(range);
 
         // generate the corresponding wx event
-        const int orient = win->OrientFromScrollDir(dir);
+        const int orient = wxWindow::OrientFromScrollDir(dir);
         wxScrollWinEvent event(eventType, win->GetScrollPos(orient), orient);
         event.SetEventObject(win);
 
@@ -2058,7 +2056,7 @@ gtk_scrollbar_event_after(GtkRange* range, GdkEvent* event, wxWindow* win)
     {
         g_signal_handlers_block_by_func(range, (void*)gtk_scrollbar_event_after, win);
 
-        const int orient = win->OrientFromScrollDir(
+        const int orient = wxWindow::OrientFromScrollDir(
                                         win->ScrollDirFromRange(range));
         wxScrollWinEvent event(wxEVT_SCROLLWIN_THUMBRELEASE, win->GetScrollPos(orient), orient);
         event.SetEventObject(win);
@@ -2145,8 +2143,6 @@ void gtk_window_size_callback( GtkWidget *WXUNUSED(widget),
                 alloc->width,
                 alloc->height );
 #endif
-                
-    GTK_PIZZA(win->m_wxwindow)->m_width = win->GetClientSize().x;
 
     win->m_oldClientWidth = client_width;
     win->m_oldClientHeight = client_height;
@@ -2159,129 +2155,6 @@ void gtk_window_size_callback( GtkWidget *WXUNUSED(widget),
     }
 }
 
-
-#ifdef HAVE_XIM
-    #define WXUNUSED_UNLESS_XIM(param)  param
-#else
-    #define WXUNUSED_UNLESS_XIM(param)  WXUNUSED(param)
-#endif
-
-/* Resize XIM window */
-static
-void gtk_wxwindow_size_callback( GtkWidget* WXUNUSED_UNLESS_XIM(widget),
-                                 GtkAllocation* WXUNUSED_UNLESS_XIM(alloc),
-                                 wxWindowGTK* WXUNUSED_UNLESS_XIM(win) )
-{
-    if (g_isIdle)
-        wxapp_install_idle_handler();
-
-#ifdef HAVE_XIM
-    if (!win->m_ic)
-        return;
-
-    if  (gdk_ic_get_style (win->m_ic) & GDK_IM_PREEDIT_POSITION)
-    {
-        gint width, height;
-
-        gdk_drawable_get_size (widget->window, &width, &height);
-        win->m_icattr->preedit_area.width = width;
-        win->m_icattr->preedit_area.height = height;
-        gdk_ic_set_attr (win->m_ic, win->m_icattr, GDK_IC_PREEDIT_AREA);
-    }
-#endif // HAVE_XIM
-}
-
-//-----------------------------------------------------------------------------
-// "realize" from m_wxwindow
-//-----------------------------------------------------------------------------
-
-/* Initialize XIM support */
-
-static void
-gtk_wxwindow_realized_callback( GtkWidget * WXUNUSED_UNLESS_XIM(widget),
-                                wxWindowGTK * WXUNUSED_UNLESS_XIM(win) )
-{
-    if (g_isIdle)
-        wxapp_install_idle_handler();
-
-#ifdef HAVE_XIM
-    if (win->m_ic) return;
-    if (!widget) return;
-    if (!gdk_im_ready()) return;
-
-    win->m_icattr = gdk_ic_attr_new();
-    if (!win->m_icattr) return;
-
-    gint width, height;
-    GdkEventMask mask;
-    GdkColormap *colormap;
-    GdkICAttr *attr = win->m_icattr;
-    unsigned attrmask = GDK_IC_ALL_REQ;
-    GdkIMStyle style;
-    GdkIMStyle supported_style = (GdkIMStyle)
-                                  (GDK_IM_PREEDIT_NONE |
-                                   GDK_IM_PREEDIT_NOTHING |
-                                   GDK_IM_PREEDIT_POSITION |
-                                   GDK_IM_STATUS_NONE |
-                                   GDK_IM_STATUS_NOTHING);
-
-    if (widget->style && widget->style->font->type != GDK_FONT_FONTSET)
-        supported_style = (GdkIMStyle)(supported_style & ~GDK_IM_PREEDIT_POSITION);
-
-    attr->style = style = gdk_im_decide_style (supported_style);
-    attr->client_window = widget->window;
-
-    if ((colormap = gtk_widget_get_colormap (widget)) !=
-            gtk_widget_get_default_colormap ())
-    {
-        attrmask |= GDK_IC_PREEDIT_COLORMAP;
-        attr->preedit_colormap = colormap;
-    }
-
-    attrmask |= GDK_IC_PREEDIT_FOREGROUND;
-    attrmask |= GDK_IC_PREEDIT_BACKGROUND;
-    attr->preedit_foreground = widget->style->fg[GTK_STATE_NORMAL];
-    attr->preedit_background = widget->style->base[GTK_STATE_NORMAL];
-
-    switch (style & GDK_IM_PREEDIT_MASK)
-    {
-        case GDK_IM_PREEDIT_POSITION:
-            if (widget->style && widget->style->font->type != GDK_FONT_FONTSET)
-            {
-                g_warning ("over-the-spot style requires fontset");
-                break;
-            }
-
-            gdk_drawable_get_size (widget->window, &width, &height);
-
-            attrmask |= GDK_IC_PREEDIT_POSITION_REQ;
-            attr->spot_location.x = 0;
-            attr->spot_location.y = height;
-            attr->preedit_area.x = 0;
-            attr->preedit_area.y = 0;
-            attr->preedit_area.width = width;
-            attr->preedit_area.height = height;
-            attr->preedit_fontset = widget->style->font;
-
-            break;
-    }
-
-      win->m_ic = gdk_ic_new (attr, (GdkICAttributesType)attrmask);
-
-      if (win->m_ic == NULL)
-          g_warning ("Can't create input context.");
-      else
-      {
-          mask = gdk_window_get_events (widget->window);
-          mask = (GdkEventMask)(mask | gdk_ic_get_events (win->m_ic));
-          gdk_window_set_events (widget->window, mask);
-
-          if (GTK_WIDGET_HAS_FOCUS(widget))
-              gdk_im_begin (win->m_ic, widget->window);
-      }
-#endif // HAVE_XIM
-}
-
 } // extern "C"
 
 // ----------------------------------------------------------------------------
@@ -2465,7 +2338,17 @@ bool wxWindowGTK::Create( wxWindow *parent,
     GtkScrolledWindowClass *scroll_class = GTK_SCROLLED_WINDOW_CLASS( GTK_OBJECT_GET_CLASS(m_widget) );
     scroll_class->scrollbar_spacing = 0;
 
-    gtk_scrolled_window_set_policy( scrolledWindow, GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC );
+    if (HasFlag(wxALWAYS_SHOW_SB))
+    {
+        gtk_scrolled_window_set_policy( scrolledWindow, GTK_POLICY_ALWAYS, GTK_POLICY_ALWAYS );
+
+        scrolledWindow->hscrollbar_visible = TRUE;
+        scrolledWindow->vscrollbar_visible = TRUE;
+    }
+    else
+    {
+        gtk_scrolled_window_set_policy( scrolledWindow, GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC );
+    }
 
     m_scrollBar[ScrollDir_Horz] = GTK_RANGE(scrolledWindow->hscrollbar);
     m_scrollBar[ScrollDir_Vert] = GTK_RANGE(scrolledWindow->vscrollbar);
@@ -2475,24 +2358,10 @@ bool wxWindowGTK::Create( wxWindow *parent,
     m_wxwindow = gtk_pizza_new();
 
 #ifndef __WXUNIVERSAL__
-    GtkPizza *pizza = GTK_PIZZA(m_wxwindow);
-    
-    if (HasFlag(wxRAISED_BORDER))
-    {
-        gtk_pizza_set_shadow_type( pizza, GTK_MYSHADOW_OUT );
-    }
-    else if (HasFlag(wxSUNKEN_BORDER))
-    {
-        gtk_pizza_set_shadow_type( pizza, GTK_MYSHADOW_IN );
-    }
-    else if (HasFlag(wxSIMPLE_BORDER))
-    {
-        gtk_pizza_set_shadow_type( pizza, GTK_MYSHADOW_THIN );
-    }
-    else
-    {
-        gtk_pizza_set_shadow_type( pizza, GTK_MYSHADOW_NONE );
-    }
+    if (HasFlag(wxSIMPLE_BORDER))
+        gtk_container_set_border_width((GtkContainer*)m_wxwindow, 1);
+    else if (HasFlag(wxRAISED_BORDER) || HasFlag(wxSUNKEN_BORDER))
+        gtk_container_set_border_width((GtkContainer*)m_wxwindow, 2);
 #endif // __WXUNIVERSAL__
 
     gtk_container_add( GTK_CONTAINER(m_widget), m_wxwindow );
@@ -2563,13 +2432,6 @@ wxWindowGTK::~wxWindowGTK()
     if (m_widget)
         Show( false );
 
-#ifdef HAVE_XIM
-    if (m_ic)
-        gdk_ic_destroy (m_ic);
-    if (m_icattr)
-        gdk_ic_attr_destroy (m_icattr);
-#endif
-
     // delete before the widgets to avoid a crash on solaris
     delete m_imData;
 
@@ -2671,14 +2533,6 @@ void wxWindowGTK::PostCreation()
         // Catch native resize events
         g_signal_connect (m_wxwindow, "size_allocate",
                           G_CALLBACK (gtk_window_size_callback), this);
-
-        // Initialize XIM support
-        g_signal_connect (m_wxwindow, "realize",
-                          G_CALLBACK (gtk_wxwindow_realized_callback), this);
-
-        // And resize XIM window
-        g_signal_connect (m_wxwindow, "size_allocate",
-                          G_CALLBACK (gtk_wxwindow_size_callback), this);
     }
 
     if (GTK_IS_COMBO(m_widget))
@@ -2756,7 +2610,7 @@ void wxWindowGTK::DoMoveWindow(int x, int y, int width, int height)
 {
     // inform the parent to perform the move
     gtk_pizza_set_size( GTK_PIZZA(m_parent->m_wxwindow), m_widget, x, y, width, height );
-    
+
 }
 
 void wxWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags )
@@ -2984,20 +2838,9 @@ void wxWindowGTK::DoSetClientSize( int width, int height )
             GetScrollbarWidth(m_widget, dw, dh);
         }
 
-#ifndef __WXUNIVERSAL__
-        if (HasFlag(wxRAISED_BORDER) || HasFlag(wxSUNKEN_BORDER))
-        {
-            // shadow border size is 2
-            dw += 2 * 2;
-            dh += 2 * 2;
-        }
-        if (HasFlag(wxSIMPLE_BORDER))
-        {
-            // simple border size is 1
-            dw += 1 * 2;
-            dh += 1 * 2;
-        }
-#endif // __WXUNIVERSAL__
+        const int border = GTK_CONTAINER(m_wxwindow)->border_width;
+        dw += 2 * border;
+        dh += 2 * border;
 
         width += dw;
         height += dh;
@@ -3021,20 +2864,9 @@ void wxWindowGTK::DoGetClientSize( int *width, int *height ) const
         if (m_hasScrolling)
             GetScrollbarWidth(m_widget, dw, dh);
 
-#ifndef __WXUNIVERSAL__
-        if (HasFlag(wxRAISED_BORDER) || HasFlag(wxSUNKEN_BORDER))
-        {
-            // shadow border size is 2
-            dw += 2 * 2;
-            dh += 2 * 2;
-        }
-        if (HasFlag(wxSIMPLE_BORDER))
-        {
-            // simple border size is 1
-            dw += 1 * 2;
-            dh += 1 * 2;
-        }
-#endif // __WXUNIVERSAL__
+        const int border = GTK_CONTAINER(m_wxwindow)->border_width;
+        dw += 2 * border;
+        dh += 2 * border;
 
         w -= dw;
         h -= dh;
@@ -3078,9 +2910,9 @@ void wxWindowGTK::DoGetPosition( int *x, int *y ) const
             if (GetParent())
                 GetParent()->ScreenToClient(&org_x, &org_y);
 
-            ((wxWindowGTK*) this)->m_x = org_x;
-            ((wxWindowGTK*) this)->m_y = org_y;
-       }
+            wx_const_cast(wxWindowGTK*, this)->m_x = org_x;
+            wx_const_cast(wxWindowGTK*, this)->m_y = org_y;
+        }
     }
 
     if (x) (*x) = m_x - dx;
@@ -3117,10 +2949,10 @@ void wxWindowGTK::DoClientToScreen( int *x, int *y ) const
     {
         if (GetLayoutDirection() == wxLayout_RightToLeft)
             *x = (GetClientSize().x - *x) + org_x;
-        else 
+        else
             *x += org_x;
     }
-    
+
     if (y) *y += org_y;
 }
 
@@ -3153,7 +2985,7 @@ void wxWindowGTK::DoScreenToClient( int *x, int *y ) const
     {
         if (GetLayoutDirection() == wxLayout_RightToLeft)
             *x = (GetClientSize().x - *x) - org_x;
-        else 
+        else
             *x -= org_x;
     }
     if (y) *y -= org_y;
@@ -3373,6 +3205,12 @@ void wxWindowGTK::SetFocus()
     {
         if (GTK_IS_CONTAINER(m_widget))
         {
+            if (IsKindOf(CLASSINFO(wxRadioButton)))
+            {
+                gtk_widget_grab_focus (m_widget);
+                return;
+            }
+
             gtk_widget_child_focus( m_widget, GTK_DIR_TAB_FORWARD );
         }
         else
@@ -3531,7 +3369,7 @@ void wxWindowGTK::SetLayoutDirection(wxLayoutDirection dir)
         return;
 
     GTKSetLayout(m_widget, dir);
-    
+
     if (m_wxwindow)
         GTKSetLayout(m_wxwindow, dir);
 }
@@ -3780,7 +3618,7 @@ void wxWindowGTK::Refresh( bool eraseBackground, const wxRect *rect )
         {
             p = NULL;
         }
-        
+
         gdk_window_invalidate_rect( GTK_PIZZA(m_wxwindow)->bin_window, p, TRUE );
     }
 }
@@ -3822,11 +3660,9 @@ bool wxWindowGTK::DoIsExposed( int x, int y ) const
 
 bool wxWindowGTK::DoIsExposed( int x, int y, int w, int h ) const
 {
-#if 0
     if (GetLayoutDirection() == wxLayout_RightToLeft)
         return m_updateRegion.Contains(x-w, y, w, h) != wxOutRegion;
     else
-#endif
         return m_updateRegion.Contains(x, y, w, h) != wxOutRegion;
 }
 
@@ -3847,11 +3683,11 @@ void wxWindowGTK::GtkSendPaintEvents()
     {
         // Transform m_updateRegion under RTL
         m_updateRegion.Clear();
-        
+
         gint width;
         gdk_window_get_geometry( GTK_PIZZA(m_wxwindow)->bin_window,
                                  NULL, NULL, &width, NULL, NULL );
-        
+
         wxRegionIterator upd( m_nativeUpdateRegion );
         while (upd)
         {
@@ -3860,14 +3696,14 @@ void wxWindowGTK::GtkSendPaintEvents()
             rect.y = upd.GetY();
             rect.width = upd.GetWidth();
             rect.height = upd.GetHeight();
-            
+
             rect.x = width - rect.x - rect.width;
             m_updateRegion.Union( rect );
-            
+
             ++upd;
         }
     }
-    
+
     // widget to draw on
     GtkPizza *pizza = GTK_PIZZA (m_wxwindow);
 
@@ -3935,6 +3771,11 @@ void wxWindowGTK::SetDoubleBuffered( bool on )
         gtk_widget_set_double_buffered( m_wxwindow, on );
 }
 
+bool wxWindowGTK::IsDoubleBuffered() const
+{
+    return GTK_WIDGET_DOUBLE_BUFFERED( m_wxwindow );
+}
+
 void wxWindowGTK::ClearBackground()
 {
     wxCHECK_RET( m_widget != NULL, wxT("invalid window") );
@@ -3951,8 +3792,15 @@ void wxWindowGTK::DoSetToolTip( wxToolTip *tip )
 
 void wxWindowGTK::ApplyToolTip( GtkTooltips *tips, const wxChar *tip )
 {
-    wxString tmp( tip );
-    gtk_tooltips_set_tip( tips, GetConnectWidget(), wxGTK_CONV(tmp), (gchar*) NULL );
+    if (tip)
+    {
+        wxString tmp( tip );
+        gtk_tooltips_set_tip( tips, GetConnectWidget(), wxGTK_CONV(tmp), (gchar*) NULL );
+    }
+    else
+    {
+        gtk_tooltips_set_tip( tips, GetConnectWidget(), NULL, NULL);
+    }
 }
 #endif // wxUSE_TOOLTIPS
 
@@ -4299,7 +4147,7 @@ void wxWindowGTK::SetScrollPos(int orient, int pos, bool WXUNUSED(refresh))
         if (pos < 0)
             pos = 0;
         m_scrollPos[dir] = adj->value = pos;
-        
+
         // If a "value_changed" signal emission is not already in progress
         if (!m_blockValueChanged[dir])
         {
@@ -4352,9 +4200,9 @@ wxEventType wxWindowGTK::GetScrollEventType(GtkRange* range)
 
     const int barIndex = range == m_scrollBar[1];
     GtkAdjustment* adj = range->adjustment;
-    
+
     const int value = int(adj->value + 0.5);
-    
+
     // save previous position
     const double oldPos = m_scrollPos[barIndex];
     // update current position
@@ -4406,6 +4254,28 @@ void wxWindowGTK::ScrollWindow( int dx, int dy, const wxRect* WXUNUSED(rect) )
         gtk_pizza_scroll( GTK_PIZZA(m_wxwindow), -dx, -dy );
 
     m_clipPaintRegion = false;
+
+#if wxUSE_CARET
+    bool restoreCaret = (GetCaret() != NULL && GetCaret()->IsVisible());
+    if (restoreCaret)
+    {
+        wxRect caretRect(GetCaret()->GetPosition(), GetCaret()->GetSize());
+        if (dx > 0)
+            caretRect.width += dx;
+        else
+        {
+            caretRect.x += dx; caretRect.width -= dx;
+        }
+        if (dy > 0)
+            caretRect.height += dy;
+        else
+        {
+            caretRect.y += dy; caretRect.height -= dy;
+        }
+
+        RefreshRect(caretRect);
+    }
+#endif // wxUSE_CARET
 }
 
 void wxWindowGTK::GtkScrolledWindowSetBorder(GtkWidget* w, int wxstyle)