X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ada7d2c0e71a1a400bb64a1b02d7d5ca467080e1..b4da152ea3ec3968fb2f304b6ed73e0279c19506:/src/gtk1/window.cpp

diff --git a/src/gtk1/window.cpp b/src/gtk1/window.cpp
index 0d5613d683..feb8f2ffce 100644
--- a/src/gtk1/window.cpp
+++ b/src/gtk1/window.cpp
@@ -48,12 +48,14 @@
 #include "wx/intl.h"
 #include "wx/settings.h"
 #include "wx/log.h"
+#include "wx/fontutil.h"
 
 #ifdef __WXDEBUG__
     #include "wx/thread.h"
 #endif
 
 #include <math.h>
+#include <ctype.h>
 
 #include "wx/gtk/private.h"
 #include <gdk/gdkprivate.h>
@@ -65,6 +67,10 @@
 
 #include "wx/gtk/win_gtk.h"
 
+#ifdef __WXGTK20__
+#include <pango/pangox.h>
+#endif
+
 #ifdef __WXGTK20__
     #define SET_CONTAINER_FOCUS(w, d) gtk_widget_child_focus((w), (d))
 #else
@@ -260,7 +266,7 @@ extern bool g_mainThreadLocked;
 //-----------------------------------------------------------------------------
 
 #ifndef __WXGTK20__
-#define DISABLE_STYLE_IF_BROKEN_THEME 1
+#define DISABLE_STYLE_IF_BROKEN_THEME 0
 #endif
 
 #ifdef __WXDEBUG__
@@ -495,6 +501,14 @@ static int gtk_window_expose_callback( GtkWidget *widget,
     if (g_isIdle)
         wxapp_install_idle_handler();
 
+#ifdef __WXGTK20__
+    // This callback gets called in drawing-idle time under
+    // GTK 2.0, so we don't need to defer anything to idle
+    // time anymore.
+
+    GtkPizza *pizza = GTK_PIZZA( widget );
+    if (gdk_event->window != pizza->bin_window) return FALSE;
+
 #if 0
     if (win->GetName())
     {
@@ -508,6 +522,18 @@ static int gtk_window_expose_callback( GtkWidget *widget,
     }
 #endif
 
+    win->GetUpdateRegion() = wxRegion( gdk_event->region );
+
+    win->GtkSendPaintEvents();
+
+
+    // Let parent window draw window less widgets
+    (* GTK_WIDGET_CLASS (pizza_parent_class)->expose_event) (widget, gdk_event);
+#else
+    // This gets called immediately after an expose event
+    // under GTK 1.2 so we collect the calls and wait for
+    // the idle handler to pick things up.
+
     win->GetUpdateRegion().Union( gdk_event->area.x,
                                   gdk_event->area.y,
                                   gdk_event->area.width,
@@ -518,15 +544,10 @@ static int gtk_window_expose_callback( GtkWidget *widget,
                                   gdk_event->area.height );
 
     // Actual redrawing takes place in idle time.
-    win->GtkUpdate();
-
-#ifdef __WXGTK20__
-
-    (* GTK_WIDGET_CLASS (pizza_parent_class)->expose_event) (widget, gdk_event);
-
+    // win->GtkUpdate();
 #endif
 
-    return TRUE;
+    return FALSE;
 }
 
 //-----------------------------------------------------------------------------
@@ -611,20 +632,12 @@ static void gtk_window_draw_callback( GtkWidget *widget,
                             (char *)"base",
                             0, 0, -1, -1);
     }
-
-
-    if (!(GTK_WIDGET_APP_PAINTABLE (widget)) &&
-         (pizza->clear_on_draw))
-    {
-        gdk_window_clear_area( pizza->bin_window,
-                               rect->x, rect->y, rect->width, rect->height);
-    }
 #endif
 
+    win->m_clearRegion.Union( rect->x, rect->y, rect->width, rect->height );
     win->GetUpdateRegion().Union( rect->x, rect->y, rect->width, rect->height );
 
-    // Actual redrawing takes place in idle time.
-
+    // Update immediately, not in idle time.
     win->GtkUpdate();
 
 #ifndef __WXUNIVERSAL__
@@ -1052,6 +1065,7 @@ wxTranslateGTKKeyEventToWx(wxKeyEvent& event,
     return TRUE;
 }
 
+#ifndef __WXGTK20__
 static gint gtk_window_key_press_callback( GtkWidget *widget,
                                            GdkEventKey *gdk_event,
                                            wxWindow *win )
@@ -1122,7 +1136,7 @@ static gint gtk_window_key_press_callback( GtkWidget *widget,
             wxLogTrace(TRACE_KEYS, _T("Char event: %ld"), key_code);
 
             event.m_keyCode = key_code;
-            
+
             // Implement OnCharHook by checking ancesteror top level windows
             wxWindow *parent = win;
             while (parent && !parent->IsTopLevel())
@@ -1166,50 +1180,217 @@ static gint gtk_window_key_press_callback( GtkWidget *widget,
     if ( !ret &&
          (gdk_event->keyval == GDK_Escape) )
     {
-        wxCommandEvent new_event(wxEVT_COMMAND_BUTTON_CLICKED,wxID_CANCEL);
-        new_event.SetEventObject( win );
-        ret = win->GetEventHandler()->ProcessEvent( new_event );
+        // however only do it if we have a Cancel button in the dialog,
+        // otherwise the user code may get confused by the events from a
+        // non-existing button and, worse, a wxButton might get button event
+        // from another button which is not really expected
+        wxWindow *winForCancel = win,
+                 *btnCancel = NULL;
+        while ( winForCancel )
+        {
+            btnCancel = winForCancel->FindWindow(wxID_CANCEL);
+            if ( btnCancel )
+            {
+                // found a cancel button
+                break;
+            }
+
+            if ( winForCancel->IsTopLevel() )
+            {
+                // no need to look further
+                break;
+            }
+
+            // maybe our parent has a cancel button?
+            winForCancel = winForCancel->GetParent();
+        }
+
+        if ( btnCancel )
+        {
+            wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
+            event.SetEventObject(btnCancel);
+            ret = btnCancel->GetEventHandler()->ProcessEvent(event);
+        }
     }
 
-    // Doesn't work.
-#if 0 
-    // Pressing F10 will activate the menu bar of the top frame
-    if ( (!ret) &&
-         (gdk_event->keyval == GDK_F10) )
+    if (ret)
     {
-        wxWindowGTK *ancestor = win;
-        while (ancestor)
+        gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "key_press_event" );
+        return TRUE;
+    }
+
+    return FALSE;
+}
+#endif
+
+#ifdef __WXGTK20__
+static gint gtk_window_key_press_callback( GtkWidget *widget,
+                                           GdkEventKey *gdk_event,
+                                           wxWindow *win )
+{
+    if (g_isIdle)
+        wxapp_install_idle_handler();
+
+    if (!win->m_hasVMT)
+        return FALSE;
+    if (g_blockEventsOnDrag)
+        return FALSE;
+
+    bool ret = FALSE;
+    bool dont_use_IM = FALSE;
+
+    wxKeyEvent event( wxEVT_KEY_DOWN );
+    long keycode = wxTranslateKeySymToWXKey( gdk_event->keyval, FALSE );
+    if (keycode)
+    {
+        // We were able to decode the key press without
+        // any input method, so don't use it.
+        dont_use_IM = TRUE;
+
+        // now fill all the other fields
+        int x = 0;
+        int y = 0;
+        GdkModifierType state;
+        if (gdk_event->window)
+            gdk_window_get_pointer(gdk_event->window, &x, &y, &state);
+
+        event.SetTimestamp( gdk_event->time );
+        event.m_shiftDown = (gdk_event->state & GDK_SHIFT_MASK) != 0;
+        event.m_controlDown = (gdk_event->state & GDK_CONTROL_MASK) != 0;
+        event.m_altDown = (gdk_event->state & GDK_MOD1_MASK) != 0;
+        event.m_metaDown = (gdk_event->state & GDK_MOD2_MASK) != 0;
+        event.m_keyCode = keycode;
+        event.m_scanCode = gdk_event->keyval;
+        event.m_rawCode = (wxUint32) gdk_event->keyval;
+        event.m_rawFlags = 0;
+        event.m_x = x;
+        event.m_y = y;
+        event.SetEventObject( win );
+
+        // send key down event
+        ret = win->GetEventHandler()->ProcessEvent( event );
+
+        if (!ret)
+        {
+            // Implement OnCharHook by checking ancesteror top level windows
+            wxWindow *parent = win;
+            while (parent && !parent->IsTopLevel())
+            parent = parent->GetParent();
+            if (parent)
+            {
+                event.SetEventType( wxEVT_CHAR_HOOK );
+                ret = parent->GetEventHandler()->ProcessEvent( event );
+            }
+
+            if (!ret)
+            {
+                event.SetEventType(wxEVT_CHAR);
+                ret = win->GetEventHandler()->ProcessEvent( event );
+            }
+        }
+
+        // win is a control: tab can be propagated up
+        if ( !ret &&
+             ((gdk_event->keyval == GDK_Tab) || (gdk_event->keyval == GDK_ISO_Left_Tab)) &&
+            win->GetParent() && (win->GetParent()->HasFlag( wxTAB_TRAVERSAL)) )
+        {
+            wxNavigationKeyEvent new_event;
+            new_event.SetEventObject( win->GetParent() );
+            // GDK reports GDK_ISO_Left_Tab for SHIFT-TAB
+            new_event.SetDirection( (gdk_event->keyval == GDK_Tab) );
+            // CTRL-TAB changes the (parent) window, i.e. switch notebook page
+            new_event.SetWindowChange( (gdk_event->state & GDK_CONTROL_MASK) );
+            new_event.SetCurrentFocus( win );
+            ret = win->GetParent()->GetEventHandler()->ProcessEvent( new_event );
+        }
+
+        if ( !ret &&
+             (gdk_event->keyval == GDK_Escape) )
         {
-            if (wxIsKindOf(ancestor,wxFrame))
+            wxWindow *winForCancel = win, *btnCancel = NULL;
+            while ( winForCancel )
             {
-                wxFrame *frame = (wxFrame*) ancestor;
-                wxMenuBar *menubar = frame->GetMenuBar();
-                if (menubar)
-                {
-                    wxNode *node = menubar->GetMenus().First();
-                    if (node)
-                    {
-                        wxMenu *firstMenu = (wxMenu*) node->Data();
-                        gtk_menu_item_select( GTK_MENU_ITEM(firstMenu->m_owner) );
-                        ret = TRUE;
-                        break;
-                    }
-                }
+                btnCancel = winForCancel->FindWindow(wxID_CANCEL);
+                if ( btnCancel ) break;
+
+                if ( winForCancel->IsTopLevel() ) break;
+
+                winForCancel = winForCancel->GetParent();
+            }
+
+            if ( btnCancel )
+            {
+                wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
+                event.SetEventObject(btnCancel);
+                ret = btnCancel->GetEventHandler()->ProcessEvent(event);
             }
-            ancestor = ancestor->GetParent();
         }
     }
-#endif // 0
 
     if (ret)
     {
         gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "key_press_event" );
         return TRUE;
     }
-    
+
+    if (!dont_use_IM && win->m_imContext)
+    {
+        // In GTK 2.0, we need to hand over the key
+        // event to an input method and the IM will
+        // emit a "commit" event containing the
+        // actual utf8 character.
+        gtk_im_context_filter_keypress ( (GtkIMContext*) win->m_imContext, gdk_event );
+
+        return TRUE;
+    }
+
     return FALSE;
 }
 
+static void gtk_wxwindow_commit_cb (GtkIMContext *context,
+						   const gchar  *str,
+						   wxWindow     *window)
+{
+    bool ret = FALSE;
+
+    wxKeyEvent event( wxEVT_KEY_DOWN );
+
+#if wxUSE_UNICODE
+    event.m_uniChar = g_utf8_get_char( str );
+
+    // Backward compatible for ISO-8859
+    if (event.m_uniChar < 256)
+        event.m_keyCode = event.m_uniChar;
+#else
+    gunichar uniChar = g_utf8_get_char( str );
+    // We cannot handle Unicode in non-Unicode mode
+    if (uniChar > 255) return;
+
+    event.m_keyCode = uniChar;
+#endif
+
+    if (!ret)
+    {
+        // Implement OnCharHook by checking ancesteror top level windows
+        wxWindow *parent = window;
+        while (parent && !parent->IsTopLevel())
+        parent = parent->GetParent();
+        if (parent)
+        {
+            event.SetEventType( wxEVT_CHAR_HOOK );
+            ret = parent->GetEventHandler()->ProcessEvent( event );
+        }
+
+        if (!ret)
+        {
+            event.SetEventType(wxEVT_CHAR);
+            ret = window->GetEventHandler()->ProcessEvent( event );
+        }
+    }
+}
+#endif
+
+
 //-----------------------------------------------------------------------------
 // "key_release_event" from any window
 //-----------------------------------------------------------------------------
@@ -1267,6 +1448,13 @@ static gint gtk_window_key_release_callback( GtkWidget *widget,
     event.m_leftDown = (gdk_event->state & GDK_BUTTON1_MASK);                 \
     event.m_middleDown = (gdk_event->state & GDK_BUTTON2_MASK);               \
     event.m_rightDown = (gdk_event->state & GDK_BUTTON3_MASK);                \
+    if (event.GetEventType()==wxEVT_MOUSEWHEEL)                               \
+    {                                                                         \
+       if (((GdkEventButton*)gdk_event)->button == 4)                         \
+           event.m_wheelRotation = 120;                                       \
+       else if (((GdkEventButton*)gdk_event)->button == 5)                    \
+           event.m_wheelRotation = -120;                                      \
+    }                                                                         \
                                                                               \
     wxPoint pt = win->GetClientAreaOrigin();                                  \
     event.m_x = (wxCoord)gdk_event->x - pt.x;                                 \
@@ -1411,6 +1599,26 @@ static gint gtk_window_button_press_callback( GtkWidget *widget,
 */
     }
 
+    // GDK sends surplus button down event
+    // before a double click event. We
+    // need to filter these out.
+    if (gdk_event->type == GDK_BUTTON_PRESS)
+    {
+        GdkEvent *peek_event = gdk_event_peek();
+        if (peek_event)
+        {
+            if (peek_event->type == GDK_2BUTTON_PRESS)
+            {
+                gdk_event_free( peek_event );
+                return TRUE;
+            }
+            else
+            {
+                gdk_event_free( peek_event );
+            }
+        }
+    }
+
     wxEventType event_type = wxEVT_NULL;
 
     if (gdk_event->button == 1)
@@ -1440,6 +1648,22 @@ static gint gtk_window_button_press_callback( GtkWidget *widget,
             default:  break;
         }
     }
+    else if (gdk_event->button == 4)
+    {
+        switch (gdk_event->type)
+        {
+            case GDK_BUTTON_PRESS: event_type = wxEVT_MOUSEWHEEL; break;
+            default:  break;
+        }
+    }
+    else if (gdk_event->button == 5)
+    {
+        switch (gdk_event->type)
+        {
+            case GDK_BUTTON_PRESS: event_type = wxEVT_MOUSEWHEEL; break;
+            default:  break;
+        }
+    }
 
     if ( event_type == wxEVT_NULL )
     {
@@ -1471,6 +1695,20 @@ static gint gtk_window_button_press_callback( GtkWidget *widget,
     wxPrintf( wxT(".\n") );
 */
 
+#ifndef __WXGTK20__
+    if (event_type == wxEVT_LEFT_DCLICK)
+    {
+        // GTK 1.2 crashes when intercepting double
+        // click events from both wxSpinButton and
+        // wxSpinCtrl
+        if (GTK_IS_SPIN_BUTTON(win->m_widget))
+        {
+            // Just disable this event for now.
+            return FALSE;
+        }
+    }
+#endif
+
     if (win->GetEventHandler()->ProcessEvent( event ))
     {
         gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "button_press_event" );
@@ -1484,7 +1722,9 @@ static gint gtk_window_button_press_callback( GtkWidget *widget,
 // "button_release_event"
 //-----------------------------------------------------------------------------
 
-static gint gtk_window_button_release_callback( GtkWidget *widget, GdkEventButton *gdk_event, wxWindowGTK *win )
+static gint gtk_window_button_release_callback( GtkWidget *widget,
+                                                GdkEventButton *gdk_event,
+                                                wxWindowGTK *win )
 {
     DEBUG_MAIN_THREAD
 
@@ -1497,21 +1737,25 @@ static gint gtk_window_button_release_callback( GtkWidget *widget, GdkEventButto
 
     if (!win->IsOwnGtkWindow( gdk_event->window )) return FALSE;
 
-/*
-    printf( "OnButtonRelease from " );
-    if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
-        printf( win->GetClassInfo()->GetClassName() );
-    printf( ".\n" );
-*/
-
     wxEventType event_type = wxEVT_NULL;
 
     switch (gdk_event->button)
     {
-        case 1: event_type = wxEVT_LEFT_UP; break;
-        case 2: event_type = wxEVT_MIDDLE_UP; break;
-        case 3: event_type = wxEVT_RIGHT_UP; break;
-        default: return FALSE;
+        case 1:
+            event_type = wxEVT_LEFT_UP;
+            break;
+
+        case 2:
+            event_type = wxEVT_MIDDLE_UP;
+            break;
+
+        case 3:
+            event_type = wxEVT_RIGHT_UP;
+            break;
+
+        default:
+            // unknwon button, don't process
+            return FALSE;
     }
 
     wxMouseEvent event( event_type );
@@ -1522,6 +1766,20 @@ static gint gtk_window_button_release_callback( GtkWidget *widget, GdkEventButto
     // same wxListBox hack as above
     win->FixUpMouseEvent(widget, event.m_x, event.m_y);
 
+    if ( event_type == wxEVT_RIGHT_UP )
+    {
+        // generate a "context menu" event: this is similar to wxEVT_RIGHT_UP
+        // except that:
+        //
+        // (a) it's a command event and so is propagated to the parent
+        // (b) under MSW it can be generated from kbd too
+        // (c) it uses screen coords (because of (a))
+        wxContextMenuEvent evtCtx(wxEVT_CONTEXT_MENU,
+                                  win->GetId(),
+                                  win->ClientToScreen(event.GetPosition()));
+        (void)win->GetEventHandler()->ProcessEvent(evtCtx);
+    }
+
     if ( !g_captureWindow )
         win = FindWindowForMouseEvent(win, event.m_x, event.m_y);
 
@@ -1654,7 +1912,7 @@ static gint 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);
@@ -1670,7 +1928,7 @@ static gint gtk_window_focus_in_callback( GtkWidget *widget,
 #endif // wxUSE_CARET
 
     g_activeFrameLostFocus = FALSE;
-    
+
     wxWindowGTK *active = wxGetTopLevelParent(win);
     if ( active != g_activeFrame )
     {
@@ -1687,7 +1945,7 @@ static gint gtk_window_focus_in_callback( GtkWidget *widget,
         wxActivateEvent event(wxEVT_ACTIVATE, TRUE, g_activeFrame->GetId());
         event.SetEventObject(g_activeFrame);
         g_activeFrame->GetEventHandler()->ProcessEvent(event);
-        
+
         // Don't send focus events in addition to activate
         // if (win == g_activeFrame)
         //    return TRUE;
@@ -1892,7 +2150,9 @@ static void gtk_window_vscroll_callback( GtkAdjustment *adjust,
 
     win->m_oldVerticalPos = adjust->value;
 
+#ifndef __WXGTK20__
     GtkScrolledWindow   *sw = GTK_SCROLLED_WINDOW(win->m_widget);
+#endif
     wxEventType         command = GtkScrollWinTypeToWx(GET_SCROLL_TYPE(sw->vscrollbar));
 
     int value = (int)(adjust->value+0.5);
@@ -1921,7 +2181,9 @@ static void gtk_window_hscroll_callback( GtkAdjustment *adjust,
     float diff = adjust->value - win->m_oldHorizontalPos;
     if (fabs(diff) < 0.2) return;
 
+#ifndef __WXGTK20__
     GtkScrolledWindow   *sw = GTK_SCROLLED_WINDOW(win->m_widget);
+#endif
     wxEventType         command = GtkScrollWinTypeToWx(GET_SCROLL_TYPE(sw->hscrollbar));
 
     win->m_oldHorizontalPos = adjust->value;
@@ -2037,7 +2299,7 @@ static void gtk_window_destroy_callback( GtkWidget* widget, wxWindow *win )
    been realized, so we do this directly after realization. */
 
 static gint
-gtk_window_realized_callback( GtkWidget *WXUNUSED(m_widget), wxWindow *win )
+gtk_window_realized_callback( GtkWidget *m_widget, wxWindow *win )
 {
     DEBUG_MAIN_THREAD
 
@@ -2050,6 +2312,14 @@ gtk_window_realized_callback( GtkWidget *WXUNUSED(m_widget), wxWindow *win )
     if (win->m_delayedForegroundColour)
         win->GtkSetForegroundColour( win->GetForegroundColour() );
 
+#ifdef __WXGTK20__
+    if (win->m_imContext)
+    {
+        GtkPizza *pizza = GTK_PIZZA( m_widget );
+        gtk_im_context_set_client_window( (GtkIMContext*) win->m_imContext, pizza->bin_window );
+    }
+#endif
+
     wxWindowCreateEvent event( win );
     event.SetEventObject( win );
     win->GetEventHandler()->ProcessEvent( event );
@@ -2309,10 +2579,15 @@ void wxWindowGTK::Init()
     m_delayedForegroundColour = FALSE;
     m_delayedBackgroundColour = FALSE;
 
+#ifdef __WXGTK20__
+    m_imContext = NULL;
+    m_x11Context = NULL;
+#else
 #ifdef HAVE_XIM
     m_ic = (GdkIC*) NULL;
     m_icattr = (GdkICAttr*) NULL;
 #endif
+#endif
 }
 
 wxWindowGTK::wxWindowGTK()
@@ -2347,9 +2622,9 @@ bool wxWindowGTK::Create( wxWindow *parent,
     }
 
     m_insertCallback = wxInsertChildInWindow;
-    
+
     // always needed for background clearing
-    m_delayedBackgroundColour = TRUE; 
+    m_delayedBackgroundColour = TRUE;
 
     m_widget = gtk_scrolled_window_new( (GtkAdjustment *) NULL, (GtkAdjustment *) NULL );
     GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
@@ -2433,6 +2708,17 @@ bool wxWindowGTK::Create( wxWindow *parent,
     gtk_signal_connect( GTK_OBJECT(m_vAdjust), "value_changed",
           (GtkSignalFunc) gtk_window_vscroll_callback, (gpointer) this );
 
+#ifdef __WXGTK20__
+    // Create input method handler
+    m_imContext = (GtkIMMulticontext*) gtk_im_multicontext_new ();
+
+    // Cannot handle drawing preedited text yet
+    gtk_im_context_set_use_preedit( (GtkIMContext*) m_imContext, FALSE );
+
+    g_signal_connect (G_OBJECT (m_imContext), "commit",
+        G_CALLBACK (gtk_wxwindow_commit_cb), this);
+#endif
+
     gtk_widget_show( m_wxwindow );
 
     if (m_parent)
@@ -2503,17 +2789,17 @@ bool wxWindowGTK::PreCreation( wxWindowGTK *parent, const wxPoint &pos,  const w
 {
     wxCHECK_MSG( !m_needParent || parent, FALSE, wxT("Need complete parent.") );
 
-    /* this turns -1 into 20 so that a minimal window is
-       visible even although -1,-1 has been given as the
-       size of the window. the same trick is used in other
-       ports and should make debugging easier */
-    m_width = WidthDefault(size.x);
+    // This turns -1 into 30 so that a minimal window is
+    // visible even although -1,-1 has been given as the
+    // size of the window. the same trick is used in other
+    // ports and should make debugging easier.
+    m_width = WidthDefault(size.x) ;
     m_height = HeightDefault(size.y);
 
     m_x = (int)pos.x;
     m_y = (int)pos.y;
 
-    /* some reasonable defaults */
+    // some reasonable defaults
     if (!parent)
     {
         if (m_x == -1)
@@ -2556,7 +2842,18 @@ void wxWindowGTK::PostCreation()
                     GTK_SIGNAL_FUNC(gtk_window_event_event_callback), (gpointer)this );
             }
 #else
-            gtk_widget_set_redraw_on_allocate( GTK_WIDGET(m_wxwindow), HasFlag( wxNO_FULL_REPAINT_ON_RESIZE ) );
+            // gtk_widget_set_redraw_on_allocate( GTK_WIDGET(m_wxwindow), HasFlag( wxNO_FULL_REPAINT_ON_RESIZE ) );
+#endif
+
+#ifdef __WXGTK20__
+        // Create input method handler
+        m_imContext = (GtkIMMulticontext*) gtk_im_multicontext_new ();
+
+        // Cannot handle drawing preedited text yet
+        gtk_im_context_set_use_preedit( (GtkIMContext*) m_imContext, FALSE );
+
+        g_signal_connect (G_OBJECT (m_imContext), "commit",
+            G_CALLBACK (gtk_wxwindow_commit_cb), this);
 #endif
         }
 
@@ -2643,7 +2940,7 @@ void wxWindowGTK::ConnectWidget( GtkWidget *widget )
 
     gtk_signal_connect( GTK_OBJECT(widget), "leave_notify_event",
       GTK_SIGNAL_FUNC(gtk_window_leave_callback), (gpointer)this );
-      
+
     // This keeps crashing on me. RR.
     //
     // gtk_signal_connect( GTK_OBJECT(widget), "destroy",
@@ -2699,16 +2996,14 @@ void wxWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags
         {
             if (x != -1) m_x = x + pizza->xoffset;
             if (y != -1) m_y = y + pizza->yoffset;
-            if (width != -1) m_width = width;
-            if (height != -1) m_height = height;
         }
         else
         {
             m_x = x + pizza->xoffset;
             m_y = y + pizza->yoffset;
-            m_width = width;
-            m_height = height;
         }
+        if (width != -1) m_width = width;
+        if (height != -1) m_height = height;
 
         if ((sizeFlags & wxSIZE_AUTO_WIDTH) == wxSIZE_AUTO_WIDTH)
         {
@@ -2804,7 +3099,7 @@ void wxWindowGTK::OnInternalIdle()
         }
         g_activeFrameLostFocus = FALSE;
     }
-    
+
     wxCursor cursor = m_cursor;
     if (g_globalCursor.Ok()) cursor = g_globalCursor;
 
@@ -3075,6 +3370,11 @@ bool wxWindowGTK::Show( bool show )
     else
         gtk_widget_hide( m_widget );
 
+    wxShowEvent eventShow(GetId(), show);
+    eventShow.m_eventObject = this;
+
+    GetEventHandler()->ProcessEvent(eventShow);
+
     return TRUE;
 }
 
@@ -3120,9 +3420,31 @@ int wxWindowGTK::GetCharHeight() const
 
     wxCHECK_MSG( m_font.Ok(), 12, wxT("invalid font") );
 
+#ifdef __WXGTK20__
+    PangoContext *context = NULL;
+    if (m_widget)
+        context = gtk_widget_get_pango_context( m_widget );
+
+    if (!context)
+        return 0;
+
+    PangoFontDescription *desc = m_font.GetNativeFontInfo()->description;
+    PangoLayout *layout = pango_layout_new(context);
+    pango_layout_set_font_description(layout, desc);
+    pango_layout_set_text(layout, "H", 1);
+    PangoLayoutLine *line = (PangoLayoutLine *)pango_layout_get_lines(layout)->data;
+
+    PangoRectangle rect;
+    pango_layout_line_get_extents(line, NULL, &rect);
+
+    g_object_unref( G_OBJECT( layout ) );
+    
+    return (int) (rect.height / PANGO_SCALE);
+#else
     GdkFont *font = m_font.GetInternalFont( 1.0 );
 
     return font->ascent + font->descent;
+#endif
 }
 
 int wxWindowGTK::GetCharWidth() const
@@ -3131,9 +3453,31 @@ int wxWindowGTK::GetCharWidth() const
 
     wxCHECK_MSG( m_font.Ok(), 8, wxT("invalid font") );
 
+#ifdef __WXGTK20__
+    PangoContext *context = NULL;
+    if (m_widget)
+        context = gtk_widget_get_pango_context( m_widget );
+
+    if (!context)
+        return 0;
+
+    PangoFontDescription *desc = m_font.GetNativeFontInfo()->description;
+    PangoLayout *layout = pango_layout_new(context);
+    pango_layout_set_font_description(layout, desc);
+    pango_layout_set_text(layout, "H", 1);
+    PangoLayoutLine *line = (PangoLayoutLine *)pango_layout_get_lines(layout)->data;
+
+    PangoRectangle rect;
+    pango_layout_line_get_extents(line, NULL, &rect);
+
+    g_object_unref( G_OBJECT( layout ) );
+    
+    return (int) (rect.width / PANGO_SCALE);
+#else
     GdkFont *font = m_font.GetInternalFont( 1.0 );
 
     return gdk_string_width( font, "H" );
+#endif
 }
 
 void wxWindowGTK::GetTextExtent( const wxString& string,
@@ -3148,11 +3492,60 @@ void wxWindowGTK::GetTextExtent( const wxString& string,
 
     wxCHECK_RET( fontToUse.Ok(), wxT("invalid font") );
 
+    if (string.IsEmpty())
+    {
+        if (x) (*x) = 0;
+        if (y) (*y) = 0;
+        return;
+    }
+
+#ifdef __WXGTK20__
+    PangoContext *context = NULL;
+    if (m_widget)
+        context = gtk_widget_get_pango_context( m_widget );
+
+    if (!context)
+    {
+        if (x) (*x) = 0;
+        if (y) (*y) = 0;
+        return;
+    }
+
+    PangoFontDescription *desc = fontToUse.GetNativeFontInfo()->description;
+    PangoLayout *layout = pango_layout_new(context);
+    pango_layout_set_font_description(layout, desc);
+    {
+#if wxUSE_UNICODE
+        const wxCharBuffer data = wxConvUTF8.cWC2MB( string );
+        pango_layout_set_text(layout, (const char*) data, strlen( (const char*) data ));
+#else
+        const wxWCharBuffer wdata = wxConvLocal.cMB2WC( string );
+        const wxCharBuffer data = wxConvUTF8.cWC2MB( wdata );
+        pango_layout_set_text(layout, (const char*) data, strlen( (const char*) data ));
+#endif
+    }
+    PangoLayoutLine *line = (PangoLayoutLine *)pango_layout_get_lines(layout)->data;
+
+    PangoRectangle rect;
+    pango_layout_line_get_extents(line, NULL, &rect);
+
+    if (x) (*x) = (wxCoord) (rect.width / PANGO_SCALE);
+    if (y) (*y) = (wxCoord) (rect.height / PANGO_SCALE);
+    if (descent)
+    {
+        // Do something about metrics here
+        (*descent) = 0;
+    }
+    if (externalLeading) (*externalLeading) = 0;  // ??
+
+    g_object_unref( G_OBJECT( layout ) );
+#else
     GdkFont *font = fontToUse.GetInternalFont( 1.0 );
-    if (x) (*x) = gdk_string_width( font, string.mbc_str() );
+    if (x) (*x) = gdk_string_width( font, wxGTK_CONV( string ) );
     if (y) (*y) = font->ascent + font->descent;
     if (descent) (*descent) = font->descent;
     if (externalLeading) (*externalLeading) = 0;  // ??
+#endif
 }
 
 void wxWindowGTK::SetFocus()
@@ -3316,6 +3709,7 @@ void wxWindowGTK::WarpPointer( int x, int y )
         gdk_window_warp_pointer( window, x, y );
 }
 
+
 void wxWindowGTK::Refresh( bool eraseBackground, const wxRect *rect )
 {
     if (!m_widget) return;
@@ -3324,7 +3718,7 @@ void wxWindowGTK::Refresh( bool eraseBackground, const wxRect *rect )
 #ifndef __WXGTK20__
     if (g_isIdle)
         wxapp_install_idle_handler();
-        
+
     if (eraseBackground && m_wxwindow && m_wxwindow->window)
     {
         if (rect)
@@ -3400,27 +3794,31 @@ void wxWindowGTK::GtkUpdate()
 #ifdef __WXGTK20__
     if (m_wxwindow && GTK_PIZZA(m_wxwindow)->bin_window)
         gdk_window_process_updates( GTK_PIZZA(m_wxwindow)->bin_window, FALSE );
-#endif
-
+#else
     if (!m_updateRegion.IsEmpty())
         GtkSendPaintEvents();
+#endif
 }
 
 void wxWindowGTK::GtkSendPaintEvents()
 {
     if (!m_wxwindow)
     {
+#ifndef __WXGTK20__
         m_clearRegion.Clear();
+#endif
         m_updateRegion.Clear();
         return;
     }
 
-    // widget to draw on
-    GtkPizza *pizza = GTK_PIZZA (m_wxwindow);
-            
     // Clip to paint region in wxClientDC
     m_clipPaintRegion = TRUE;
-    
+
+#ifndef __WXGTK20__
+    // widget to draw on
+    GtkPizza *pizza = GTK_PIZZA (m_wxwindow);
+
+    // later for GTK 2.0, too.
     if (GetThemeEnabled())
     {
         // find ancestor from which to steal background
@@ -3429,7 +3827,7 @@ void wxWindowGTK::GtkSendPaintEvents()
             parent = parent->GetParent();
         if (!parent)
             parent = (wxWindow*)this;
-    
+
         wxRegionIterator upd( m_updateRegion );
         while (upd)
         {
@@ -3438,7 +3836,7 @@ void wxWindowGTK::GtkSendPaintEvents()
             rect.y = upd.GetY();
             rect.width = upd.GetWidth();
             rect.height = upd.GetHeight();
-                    
+
             gtk_paint_flat_box( parent->m_widget->style,
                         pizza->bin_window,
                         GTK_STATE_NORMAL,
@@ -3447,23 +3845,31 @@ void wxWindowGTK::GtkSendPaintEvents()
                         parent->m_widget,
                         (char *)"base",
                         0, 0, -1, -1 );
-                        
+
             upd ++;
         }
     }
     else
-    // if (!m_clearRegion.IsEmpty())   // always send an erase event
+#endif
+
+#ifdef __WXGTK20__
+    {
+        wxWindowDC dc( (wxWindow*)this );
+        dc.SetClippingRegion( m_updateRegion );
+
+        wxEraseEvent erase_event( GetId(), &dc );
+        erase_event.SetEventObject( this );
+
+        GetEventHandler()->ProcessEvent(erase_event);
+    }
+#else
+    // if (!m_clearRegion.IsEmpty())   // Always send an erase event under GTK 1.2
     {
-        // If the clear region is empty, and the update region isn't,
-        // then we're going to clear more than we repaint,
-        // so let's make sure the two regions are in sync.
-        if (m_clearRegion.IsEmpty() && !m_updateRegion.IsEmpty())
-        {
-            m_clearRegion = m_updateRegion ;
-        }
-        
         wxWindowDC dc( (wxWindow*)this );
-        dc.SetClippingRegion( m_clearRegion );
+        if (m_clearRegion.IsEmpty())
+            dc.SetClippingRegion( m_updateRegion );
+        else
+            dc.SetClippingRegion( m_clearRegion );
 
         wxEraseEvent erase_event( GetId(), &dc );
         erase_event.SetEventObject( this );
@@ -3487,6 +3893,7 @@ void wxWindowGTK::GtkSendPaintEvents()
         }
         m_clearRegion.Clear();
     }
+#endif
 
     wxNcPaintEvent nc_paint_event( GetId() );
     nc_paint_event.SetEventObject( this );
@@ -3509,7 +3916,7 @@ void wxWindowGTK::GtkSendPaintEvents()
     {
         GtkPizzaChild *child = (GtkPizzaChild*) children->data;
         children = children->next;
-        
+
         if (GTK_WIDGET_NO_WINDOW (child->widget) &&
             GTK_WIDGET_DRAWABLE (child->widget))
         {
@@ -3549,15 +3956,17 @@ void wxWindowGTK::Clear()
 {
     wxCHECK_RET( m_widget != NULL, wxT("invalid window") );
 
+#ifndef __WXGTK20__
     if (m_wxwindow && m_wxwindow->window)
     {
         m_clearRegion.Clear();
         wxSize size( GetClientSize() );
         m_clearRegion.Union( 0,0,size.x,size.y );
-        
+
         // Better do this in idle?
         GtkUpdate();
     }
+#endif
 }
 
 #if wxUSE_TOOLTIPS
@@ -3584,10 +3993,10 @@ void wxWindowGTK::GtkSetBackgroundColour( const wxColour &colour )
         window = GetConnectWidget()->window;
 
     wxASSERT( window );
-    
+
     // We need the pixel value e.g. for background clearing.
     m_backgroundColour.CalcPixel( gdk_window_get_colormap( window ) );
-    
+
     if (m_wxwindow)
     {
         // wxMSW doesn't clear the window here, either.
@@ -3671,6 +4080,21 @@ bool wxWindowGTK::SetForegroundColour( const wxColour &colour )
     return TRUE;
 }
 
+#ifdef __WXGTK20__
+PangoContext *wxWindowGTK::GtkGetPangoDefaultContext()
+{
+    return gtk_widget_get_pango_context( m_widget );
+}
+
+PangoContext *wxWindowGTK::GtkGetPangoX11Context()
+{
+    if (!m_x11Context)
+        m_x11Context = pango_x_get_context( gdk_display );
+
+    return m_x11Context;
+}
+#endif
+
 GtkStyle *wxWindowGTK::GetWidgetStyle()
 {
     if (m_widgetStyle)
@@ -4168,7 +4592,7 @@ void wxWindowGTK::ScrollWindow( int dx, int dy, const wxRect* WXUNUSED(rect) )
     wxCHECK_RET( m_widget != NULL, wxT("invalid window") );
 
     wxCHECK_RET( m_wxwindow != NULL, wxT("window needs client area for scrolling") );
-    
+
     // No scrolling requested.
     if ((dx == 0) && (dy == 0)) return;
 
@@ -4192,20 +4616,13 @@ void wxWindowGTK::ScrollWindow( int dx, int dy, const wxRect* WXUNUSED(rect) )
         GetClientSize( &cw, &ch );
         m_clearRegion.Intersect( 0, 0, cw, ch );
     }
+#endif
+
     m_clipPaintRegion = TRUE;
 
     gtk_pizza_scroll( GTK_PIZZA(m_wxwindow), -dx, -dy );
 
     m_clipPaintRegion = FALSE;
-#else
-
-    gdk_window_scroll( GTK_PIZZA(m_wxwindow)->bin_window, dx, dy );
-
-    GTK_PIZZA(m_wxwindow)->xoffset += dx;
-    GTK_PIZZA(m_wxwindow)->yoffset += dy;
-
-#endif
-
 }
 
 
@@ -4232,10 +4649,8 @@ wxPoint wxGetMousePosition()
 
     int x, y;
     GdkWindow* windowAtPtr = gdk_window_at_pointer(& x, & y);
-    if (!windowAtPtr)
-      return wxPoint(-999, -999);
 
-    Display *display = GDK_WINDOW_XDISPLAY(windowAtPtr);
+    Display *display = windowAtPtr ? GDK_WINDOW_XDISPLAY(windowAtPtr) : GDK_DISPLAY();
     Window rootWindow = RootWindowOfScreen (DefaultScreenOfDisplay(display));
     Window rootReturn, childReturn;
     int rootX, rootY, winX, winY;