X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ed39ff57b30a70a2395e07887a70bc01e7a3b7ec..2ea6c1f77a260bef70d4a699df6c1d5ad1487f6a:/src/motif/window.cpp

diff --git a/src/motif/window.cpp b/src/motif/window.cpp
index 88dff30462..d5b4b71854 100644
--- a/src/motif/window.cpp
+++ b/src/motif/window.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        windows.cpp
+// Name:        src/motif/window.cpp
 // Purpose:     wxWindow
 // Author:      Julian Smart
 // Modified by:
@@ -17,9 +17,8 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#ifdef __GNUG__
-    #pragma implementation "window.h"
-#endif
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
 
 #ifdef __VMS
 #define XtDisplay XTDISPLAY
@@ -27,35 +26,33 @@
 #define XtScreen XTSCREEN
 #endif
 
-#include "wx/setup.h"
-#include "wx/menu.h"
-#include "wx/dc.h"
-#include "wx/dcclient.h"
-#include "wx/utils.h"
-#include "wx/app.h"
-#include "wx/panel.h"
-#include "wx/layout.h"
-#include "wx/dialog.h"
-#include "wx/listbox.h"
-#include "wx/button.h"
-#include "wx/settings.h"
-#include "wx/msgdlg.h"
-#include "wx/frame.h"
-#include "wx/scrolwin.h"
+#ifndef WX_PRECOMP
+    #include "wx/hash.h"
+    #include "wx/log.h"
+    #include "wx/app.h"
+    #include "wx/utils.h"
+    #include "wx/frame.h"
+    #include "wx/dc.h"
+    #include "wx/dcclient.h"
+    #include "wx/button.h"
+    #include "wx/menu.h"
+    #include "wx/settings.h"
+    #include "wx/scrolwin.h"
+    #include "wx/layout.h"
+    #include "wx/menuitem.h"
+#endif
+
 #include "wx/module.h"
-#include "wx/menuitem.h"
-#include "wx/log.h"
 #include "wx/evtloop.h"
-#include "wx/hash.h"
 
 #if  wxUSE_DRAG_AND_DROP
     #include "wx/dnd.h"
 #endif
 
-// DoSetSizeIntr and CanvasSetSizeIntr
+// DoSetSizeIntr and DoMoveWindowIntr
 // PROBLEM:
 // under Motif composite controls (such as wxCalendarCtrl or generic wxSpinCtrl
-// don't work and/or segfault because
+// did not work and/or segfaulted because
 // 1) wxWindow::Create calls SetSize,
 //    which results in a call to DoSetSize much earlier than in the other ports
 // 2) if wxWindow::Create is called (wxControl::Create calls it)
@@ -65,11 +62,7 @@
 // SOLUTION:
 // 1) don't call SetSize, DoSetSize, DoMoveWindow, DoGetPosition,
 //    DoSetPosition directly or indirectly from wxWindow::Create
-// 2) call DoMoveWindow from DoSetSize, allowing controls to override it,
-//    but make wxWindow::DoMoveWindow a no-op if it is called from
-//    an overridden DoMoveWindow (i.e. wxFoo::DoMoveWindow calls
-//    wxWindow::DoMoveWindow; this is to preserve the behaviour
-//    before this change
+// 2) call DoMoveWindow from DoSetSize, allowing controls to override it
 
 #ifdef __VMS__
 #pragma message disable nosimpint
@@ -90,12 +83,6 @@
 
 #include <string.h>
 
-// ----------------------------------------------------------------------------
-// constants
-// ----------------------------------------------------------------------------
-
-static const int SCROLL_MARGIN = 4;
-
 // ----------------------------------------------------------------------------
 // global variables for this module
 // ----------------------------------------------------------------------------
@@ -153,7 +140,6 @@ static int str16len(const char *s)
 
     BEGIN_EVENT_TABLE(wxWindow, wxWindowBase)
         EVT_SYS_COLOUR_CHANGED(wxWindow::OnSysColourChanged)
-        EVT_IDLE(wxWindow::OnIdle)
     END_EVENT_TABLE()
 
 // ============================================================================
@@ -178,12 +164,7 @@ bool wxWindow::MapOrUnmap(WXWidget widget, bool domap)
 {
     Widget w = (Widget)widget;
     if ( !w )
-        return FALSE;
-
-    if ( domap )
-        XtMapWidget(w);
-    else
-        XtUnmapWidget(w);
+        return false;
 
     //   Rationale: a lot of common operations (including but not
     // limited to moving, resizing and appending items to a listbox)
@@ -192,7 +173,20 @@ bool wxWindow::MapOrUnmap(WXWidget widget, bool domap)
     // or that most controls are shown every time they are moved or resized!
     XtSetMappedWhenManaged( w, domap );
 
-    return TRUE;
+    // if the widget is not unmanaged, it still intercepts
+    // mouse events, even if it is not mapped (and hence invisible)
+    if ( domap )
+    {
+        XtManageChild(w);
+        // XtMapWidget(w);
+    }
+    else
+    {
+        XtUnmanageChild(w);
+        // XtUnmapWidget(w);
+    }
+
+    return true;
 }
 
 // ----------------------------------------------------------------------------
@@ -201,31 +195,20 @@ bool wxWindow::MapOrUnmap(WXWidget widget, bool domap)
 
 void wxWindow::Init()
 {
-    // generic initializations first
-    InitBase();
-
     // Motif-specific
-    m_needsRefresh = TRUE;
+    m_needsRefresh = true;
     m_mainWidget = (WXWidget) 0;
 
-    m_button1Pressed =
-    m_button2Pressed =
-    m_button3Pressed = FALSE;
+    m_winCaptured = false;
 
-    m_winCaptured = FALSE;
+    m_isShown = true;
 
-    m_isShown = TRUE;
-    m_isBeingDeleted = FALSE;
-    
     m_hScrollBar =
     m_vScrollBar =
     m_borderWidget =
     m_scrolledWindow =
     m_drawingArea = (WXWidget) 0;
 
-    m_hScroll =
-    m_vScroll = FALSE;
-
     m_scrollPosX =
     m_scrollPosY = 0;
 
@@ -238,7 +221,6 @@ void wxWindow::Init()
 
     m_lastTS = 0;
     m_lastButton = 0;
-    m_canAddEventHandler = FALSE;
 }
 
 // real construction (Init() must have been called before!)
@@ -248,7 +230,7 @@ bool wxWindow::Create(wxWindow *parent, wxWindowID id,
                       long style,
                       const wxString& name)
 {
-    wxCHECK_MSG( parent, FALSE, "can't create wxWindow without parent" );
+    wxCHECK_MSG( parent, false, "can't create wxWindow without parent" );
 
     CreateBase(parent, id, pos, size, style, wxDefaultValidator, name);
 
@@ -263,7 +245,7 @@ bool wxWindow::Create(wxWindow *parent, wxWindowID id,
     //// drawing area, since otherwise the translations are different.
 
     // New translations for getting mouse motion feedback
-    static const String translations =
+    static const String translations = wxMOTIF_STR(
 "<Btn1Motion>: wxCanvasMotionEvent() DrawingAreaInput() ManagerGadgetButtonMotion()\n\
 <Btn2Motion>: wxCanvasMotionEvent() DrawingAreaInput() ManagerGadgetButtonMotion()\n\
 <Btn3Motion>: wxCanvasMotionEvent() DrawingAreaInput() ManagerGadgetButtonMotion()\n\
@@ -277,44 +259,15 @@ bool wxWindow::Create(wxWindow *parent, wxWindowID id,
 <Motion>: wxCanvasMotionEvent() DrawingAreaInput()\n\
 <EnterWindow>: wxCanvasMotionEvent() DrawingAreaInput()\n\
 <LeaveWindow>: wxCanvasMotionEvent() DrawingAreaInput()\n\
-<Key>: DrawingAreaInput()";
+<Key>: DrawingAreaInput()");
 
     XtActionsRec actions[1];
-    actions[0].string = "wxCanvasMotionEvent";
+    actions[0].string = wxMOTIF_STR("wxCanvasMotionEvent");
     actions[0].proc = (XtActionProc) wxCanvasMotionEvent;
     XtAppAddActions ((XtAppContext) wxTheApp->GetAppContext(), actions, 1);
 
     Widget parentWidget = (Widget) parent->GetClientWidget();
-    
-    if (style & wxSIMPLE_BORDER)
-    {
-        m_borderWidget = (WXWidget)XtVaCreateManagedWidget
-                                   (
-                                    "canvasBorder",
-                                    xmFrameWidgetClass, parentWidget,
-                                    XmNshadowType, XmSHADOW_IN,
-                                    XmNshadowThickness, 1,
-                                    NULL
-                                   );
-    } else if (style & wxSUNKEN_BORDER)
-    {
-        m_borderWidget = (WXWidget)XtVaCreateManagedWidget
-                                   (
-                                    "canvasBorder",
-                                    xmFrameWidgetClass, parentWidget,
-                                    XmNshadowType, XmSHADOW_IN,
-                                    NULL
-                                   );
-    } else if (style & wxRAISED_BORDER)
-    {
-        m_borderWidget = (WXWidget)XtVaCreateManagedWidget
-                                   (
-                                    "canvasBorder",
-                                    xmFrameWidgetClass, parentWidget,
-                                    XmNshadowType, XmSHADOW_OUT,
-                                    NULL
-                                   );
-    }
+    m_borderWidget = wxCreateBorderWidget( (WXWidget)parentWidget, style );
 
     m_scrolledWindow = (WXWidget)XtVaCreateManagedWidget
                                  (
@@ -368,12 +321,6 @@ bool wxWindow::Create(wxWindow *parent, wxWindowID id,
     XtAddCallback ((Widget) m_drawingArea, XmNexposeCallback, (XtCallbackProc) wxCanvasRepaintProc, (XtPointer) this);
     XtAddCallback ((Widget) m_drawingArea, XmNinputCallback, (XtCallbackProc) wxCanvasInputEvent, (XtPointer) this);
 
-    // TODO?
-#if 0
-    display = XtDisplay (scrolledWindow);
-    xwindow = XtWindow (drawingArea);
-#endif // 0
-
     XtAddEventHandler(
                       (Widget)m_drawingArea,
                        PointerMotionHintMask | EnterWindowMask |
@@ -386,27 +333,20 @@ bool wxWindow::Create(wxWindow *parent, wxWindowID id,
     // Scrolled widget needs to have its colour changed or we get a little blue
     // square where the scrollbars abutt
     wxColour backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
-    DoChangeBackgroundColour(m_scrolledWindow, backgroundColour, TRUE);
-    DoChangeBackgroundColour(m_drawingArea, backgroundColour, TRUE);
+    wxDoChangeBackgroundColour(m_scrolledWindow, backgroundColour, true);
+    wxDoChangeBackgroundColour(m_drawingArea, backgroundColour, true);
 
     XmScrolledWindowSetAreas(
                              (Widget)m_scrolledWindow,
                              (Widget) 0, (Widget) 0,
                              (Widget) m_drawingArea);
 
-#if 0
-    if (m_hScrollBar)
-        XtRealizeWidget ((Widget) m_hScrollBar);
-    if (m_vScrollBar)
-        XtRealizeWidget ((Widget) m_vScrollBar);
-#endif // 0
-
     // Without this, the cursor may not be restored properly (e.g. in splitter
     // sample).
     SetCursor(*wxSTANDARD_CURSOR);
     SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
-    DoSetSizeIntr(pos.x, pos.y, size.x,size.y, wxSIZE_AUTO, TRUE);
-    return TRUE;
+    DoSetSizeIntr(pos.x, pos.y, size.x,size.y, wxSIZE_AUTO, true);
+    return true;
 }
 
 // Destructor
@@ -414,9 +354,9 @@ wxWindow::~wxWindow()
 {
     if (g_captureWindow == this)
         g_captureWindow = NULL;
-    
-    m_isBeingDeleted = TRUE;
-    
+
+    m_isBeingDeleted = true;
+
     // Motif-specific actions first
     WXWidget wMain = GetMainWidget();
     if ( wMain )
@@ -425,11 +365,6 @@ wxWindow::~wxWindow()
         DetachWidget(wMain);
     }
 
-    ClearUpdateRects();
-
-    if ( m_parent )
-        m_parent->RemoveChild( this );
-
     // If m_drawingArea, we're a fully-fledged window with drawing area,
     // scrollbars etc. (what wxCanvas used to be)
     if ( m_drawingArea )
@@ -506,126 +441,107 @@ wxWindow::~wxWindow()
 // scrollbar management
 // ----------------------------------------------------------------------------
 
+WXWidget wxWindow::DoCreateScrollBar(WXWidget parent,
+                                     wxOrientation orientation,
+                                     void (*callback)())
+{
+    int orient = ( orientation & wxHORIZONTAL ) ? XmHORIZONTAL : XmVERTICAL;
+    Widget sb =
+        XtVaCreateManagedWidget( "scrollBarWidget",
+                                 xmScrollBarWidgetClass, (Widget)parent,
+                                 XmNorientation, orient,
+                                 XmNincrement, 1,
+                                 XmNvalue, 0,
+                                 NULL );
+
+    XtPointer o = (XtPointer)orientation;
+    XtCallbackProc cb = (XtCallbackProc)callback;
+
+    XtAddCallback( sb, XmNvalueChangedCallback, cb, o );
+    XtAddCallback( sb, XmNdragCallback, cb, o );
+    XtAddCallback( sb, XmNincrementCallback, cb, o );
+    XtAddCallback( sb, XmNdecrementCallback, cb, o );
+    XtAddCallback( sb, XmNpageIncrementCallback, cb, o );
+    XtAddCallback( sb, XmNpageDecrementCallback, cb, o );
+    XtAddCallback( sb, XmNtoTopCallback, cb, o );
+    XtAddCallback( sb, XmNtoBottomCallback, cb, o );
+
+    return (WXWidget)sb;
+}
+
 // Helper function
 void wxWindow::CreateScrollbar(wxOrientation orientation)
 {
     wxCHECK_RET( m_drawingArea, "this window can't have scrollbars" );
 
-    XtVaSetValues((Widget) m_scrolledWindow, XmNresizePolicy, XmRESIZE_NONE, NULL);
+    XtVaSetValues( (Widget) m_scrolledWindow,
+                   XmNresizePolicy, XmRESIZE_NONE,
+                   NULL );
 
+    wxColour backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
     // Add scrollbars if required
     if (orientation == wxHORIZONTAL)
     {
-        Widget hScrollBar = XtVaCreateManagedWidget ("hsb",
-            xmScrollBarWidgetClass, (Widget) m_scrolledWindow,
-            XmNorientation, XmHORIZONTAL,
-            NULL);
-        XtAddCallback (hScrollBar, XmNvalueChangedCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
-        XtAddCallback (hScrollBar, XmNdragCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
-        XtAddCallback (hScrollBar, XmNincrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
-        XtAddCallback (hScrollBar, XmNdecrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
-        XtAddCallback (hScrollBar, XmNpageIncrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
-        XtAddCallback (hScrollBar, XmNpageDecrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
-        XtAddCallback (hScrollBar, XmNtoTopCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
-        XtAddCallback (hScrollBar, XmNtoBottomCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
-
-        XtVaSetValues (hScrollBar,
-            XmNincrement, 1,
-            XmNvalue, 0,
-            NULL);
+        m_hScrollBar = DoCreateScrollBar( m_scrolledWindow, wxHORIZONTAL,
+                                          (void (*)())wxScrollBarCallback );
 
-        m_hScrollBar = (WXWidget) hScrollBar;
+        wxDoChangeBackgroundColour(m_hScrollBar, backgroundColour, true);
 
-        wxColour backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
-        DoChangeBackgroundColour(m_hScrollBar, backgroundColour, TRUE);
-
-        XtRealizeWidget(hScrollBar);
+        XtRealizeWidget( (Widget)m_hScrollBar );
 
         XtVaSetValues((Widget) m_scrolledWindow,
             XmNhorizontalScrollBar, (Widget) m_hScrollBar,
             NULL);
 
-        m_hScroll = TRUE;
-
-        wxAddWindowToTable( hScrollBar, this );
+        wxAddWindowToTable( (Widget)m_hScrollBar, this );
     }
-
-    if (orientation == wxVERTICAL)
+    else if (orientation == wxVERTICAL)
     {
-        Widget vScrollBar = XtVaCreateManagedWidget ("vsb",
-            xmScrollBarWidgetClass, (Widget) m_scrolledWindow,
-            XmNorientation, XmVERTICAL,
-            NULL);
-        XtAddCallback (vScrollBar, XmNvalueChangedCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
-        XtAddCallback (vScrollBar, XmNdragCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
-        XtAddCallback (vScrollBar, XmNincrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
-        XtAddCallback (vScrollBar, XmNdecrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
-        XtAddCallback (vScrollBar, XmNpageIncrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
-        XtAddCallback (vScrollBar, XmNpageDecrementCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
-        XtAddCallback (vScrollBar, XmNtoTopCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
-        XtAddCallback (vScrollBar, XmNtoBottomCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
-
-        XtVaSetValues (vScrollBar,
-            XmNincrement, 1,
-            XmNvalue, 0,
-            NULL);
+        m_vScrollBar = DoCreateScrollBar( m_scrolledWindow, wxVERTICAL,
+                                          (void (*)())wxScrollBarCallback );
 
-        m_vScrollBar = (WXWidget) vScrollBar;
-        wxColour backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
-        DoChangeBackgroundColour(m_vScrollBar, backgroundColour, TRUE);
+        wxDoChangeBackgroundColour(m_vScrollBar, backgroundColour, true);
 
-        XtRealizeWidget(vScrollBar);
+        XtRealizeWidget((Widget)m_vScrollBar);
 
         XtVaSetValues((Widget) m_scrolledWindow,
             XmNverticalScrollBar, (Widget) m_vScrollBar,
             NULL);
 
-        m_vScroll = TRUE;
-
-        wxAddWindowToTable( vScrollBar, this );
+        wxAddWindowToTable( (Widget)m_vScrollBar, this );
     }
 
-    XtVaSetValues((Widget) m_scrolledWindow, XmNresizePolicy, XmRESIZE_ANY, NULL);
+    XtVaSetValues( (Widget) m_scrolledWindow,
+                   XmNresizePolicy, XmRESIZE_ANY,
+                   NULL );
 }
 
 void wxWindow::DestroyScrollbar(wxOrientation orientation)
 {
     wxCHECK_RET( m_drawingArea, "this window can't have scrollbars" );
 
-    XtVaSetValues((Widget) m_scrolledWindow, XmNresizePolicy, XmRESIZE_NONE, NULL);
-    // Add scrollbars if required
-    if (orientation == wxHORIZONTAL)
-    {
-        if (m_hScrollBar)
-        {
-            wxDeleteWindowFromTable((Widget)m_hScrollBar);
-            XtDestroyWidget((Widget) m_hScrollBar);
-        }
-        m_hScrollBar = (WXWidget) 0;
-        m_hScroll = FALSE;
-
-        XtVaSetValues((Widget) m_scrolledWindow,
-            XmNhorizontalScrollBar, (Widget) 0,
-            NULL);
-
-    }
+    XtVaSetValues((Widget) m_scrolledWindow,
+                  XmNresizePolicy, XmRESIZE_NONE,
+                  NULL);
+    String stringSB = orientation == wxHORIZONTAL ?
+        XmNhorizontalScrollBar : XmNverticalScrollBar;
+    WXWidget* widgetSB = orientation == wxHORIZONTAL ?
+        &m_hScrollBar : &m_vScrollBar;
 
-    if (orientation == wxVERTICAL)
+    if( *widgetSB )
     {
-        if (m_vScrollBar)
-        {
-            wxDeleteWindowFromTable((Widget)m_vScrollBar);
-            XtDestroyWidget((Widget) m_vScrollBar);
-        }
-        m_vScrollBar = (WXWidget) 0;
-        m_vScroll = FALSE;
+        wxDeleteWindowFromTable( (Widget)*widgetSB );
+        XtDestroyWidget( (Widget)*widgetSB );
+        *widgetSB = (WXWidget)NULL;
+    }
 
-        XtVaSetValues((Widget) m_scrolledWindow,
-            XmNverticalScrollBar, (Widget) 0,
-            NULL);
+    XtVaSetValues( (Widget)m_scrolledWindow,
+                   stringSB, (Widget) 0,
+                   NULL );
 
-    }
-    XtVaSetValues((Widget) m_scrolledWindow, XmNresizePolicy, XmRESIZE_ANY, NULL);
+    XtVaSetValues((Widget) m_scrolledWindow,
+                  XmNresizePolicy, XmRESIZE_ANY,
+                  NULL);
 }
 
 // ---------------------------------------------------------------------------
@@ -640,7 +556,7 @@ void wxWindow::SetFocus()
 }
 
 // Get the window with the focus
-wxWindow *wxWindowBase::FindFocus()
+wxWindow *wxWindowBase::DoFindFocus()
 {
     // TODO Problems:
     // (1) Can there be multiple focussed widgets in an application?
@@ -649,7 +565,7 @@ wxWindow *wxWindowBase::FindFocus()
     // (2) The widget with the focus may not be in the widget table
     // depending on which widgets I put in the table
     wxWindow *winFocus = (wxWindow *)NULL;
-    for ( wxWindowList::Node *node = wxTopLevelWindows.GetFirst();
+    for ( wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst();
           node;
           node = node->GetNext() )
     {
@@ -671,7 +587,7 @@ wxWindow *wxWindowBase::FindFocus()
 bool wxWindow::Enable(bool enable)
 {
     if ( !wxWindowBase::Enable(enable) )
-        return FALSE;
+        return false;
 
     Widget wMain = (Widget)GetMainWidget();
     if ( wMain )
@@ -680,18 +596,18 @@ bool wxWindow::Enable(bool enable)
         XmUpdateDisplay(wMain);
     }
 
-    return TRUE;
+    return true;
 }
 
 bool wxWindow::Show(bool show)
 {
     if ( !wxWindowBase::Show(show) )
-        return FALSE;
+        return false;
 
     if (m_borderWidget || m_scrolledWindow)
     {
-        MapOrUnmap(m_drawingArea, show);
         MapOrUnmap(m_borderWidget ? m_borderWidget : m_scrolledWindow, show);
+        // MapOrUnmap(m_drawingArea, show);
     }
     else
     {
@@ -699,16 +615,7 @@ bool wxWindow::Show(bool show)
             MapOrUnmap(GetMainWidget(), show);
     }
 
-#if 0
-    Window xwin = (Window) GetXWindow();
-    Display *xdisp = (Display*) GetXDisplay();
-    if (show)
-        XMapWindow(xdisp, xwin);
-    else
-        XUnmapWindow(xdisp, xwin);
-#endif
-
-    return TRUE;
+    return true;
 }
 
 // Raise the window to the top of the Z order
@@ -727,17 +634,17 @@ void wxWindow::Lower()
     XLowerWindow(XtDisplay(wTop), window);
 }
 
-void wxWindow::SetTitle(const wxString& title)
+void wxWindow::SetLabel(const wxString& label)
 {
-    XtVaSetValues((Widget)GetMainWidget(), XmNtitle, title.c_str(), NULL);
+    XtVaSetValues((Widget)GetMainWidget(), XmNtitle, label.c_str(), NULL);
 }
 
-wxString wxWindow::GetTitle() const
+wxString wxWindow::GetLabel() const
 {
-    char *title;
-    XtVaGetValues((Widget)GetMainWidget(), XmNtitle, &title, NULL);
+    char *label;
+    XtVaGetValues((Widget)GetMainWidget(), XmNtitle, &label, NULL);
 
-    return wxString(title);
+    return wxString(label);
 }
 
 void wxWindow::DoCaptureMouse()
@@ -748,9 +655,9 @@ void wxWindow::DoCaptureMouse()
 
     Widget wMain = (Widget)GetMainWidget();
     if ( wMain )
-        XtAddGrab(wMain, TRUE, FALSE);
+        XtAddGrab(wMain, True, False);
 
-    m_winCaptured = TRUE;
+    m_winCaptured = true;
 }
 
 void wxWindow::DoReleaseMouse()
@@ -763,7 +670,7 @@ void wxWindow::DoReleaseMouse()
     if ( wMain )
         XtRemoveGrab(wMain);
 
-    m_winCaptured = FALSE;
+    m_winCaptured = false;
 }
 
 bool wxWindow::SetFont(const wxFont& font)
@@ -771,12 +678,12 @@ bool wxWindow::SetFont(const wxFont& font)
     if ( !wxWindowBase::SetFont(font) )
     {
         // nothing to do
-        return FALSE;
+        return false;
     }
 
     ChangeFont();
 
-    return TRUE;
+    return true;
 }
 
 bool wxWindow::SetCursor(const wxCursor& cursor)
@@ -784,12 +691,12 @@ bool wxWindow::SetCursor(const wxCursor& cursor)
     if ( !wxWindowBase::SetCursor(cursor) )
     {
         // no change
-        return FALSE;
+        return false;
     }
 
     //    wxASSERT_MSG( m_cursor.Ok(),
     //                  wxT("cursor must be valid after call to the base version"));
-    wxCursor* cursor2 = NULL;
+    const wxCursor* cursor2 = NULL;
     if (m_cursor.Ok())
         cursor2 = & m_cursor;
     else
@@ -802,7 +709,7 @@ bool wxWindow::SetCursor(const wxCursor& cursor)
     Window win = XtWindow(w);
     XDefineCursor((Display*) dpy, win, (Cursor) x_cursor);
 
-    return TRUE;
+    return true;
 }
 
 // Coordinates relative to the window
@@ -842,10 +749,12 @@ int wxWindow::GetScrollPos(int orient) const
 int wxWindow::GetScrollRange(int orient) const
 {
     Widget scrollBar = (Widget)GetScrollbar((wxOrientation)orient);
-    wxCHECK_MSG( scrollBar, 0, "no such scrollbar" );
+    // CE scintilla windows don't always have these scrollbars
+    // and it tends to pile up a whole bunch of asserts
+    //wxCHECK_MSG( scrollBar, 0, "no such scrollbar" );
 
     int range = 0;
-    if (scrollBar) 
+    if (scrollBar)
         XtVaGetValues(scrollBar, XmNmaximum, &range, NULL);
     return range;
 }
@@ -853,10 +762,11 @@ int wxWindow::GetScrollRange(int orient) const
 int wxWindow::GetScrollThumb(int orient) const
 {
     Widget scrollBar = (Widget)GetScrollbar((wxOrientation)orient);
-    wxCHECK_MSG( scrollBar, 0, "no such scrollbar" );
+    //wxCHECK_MSG( scrollBar, 0, "no such scrollbar" );
 
-    int thumb;
-    XtVaGetValues(scrollBar, XmNsliderSize, &thumb, NULL);
+    int thumb = 0;
+    if (scrollBar)
+        XtVaGetValues(scrollBar, XmNsliderSize, &thumb, NULL);
     return thumb;
 }
 
@@ -944,7 +854,7 @@ void wxWindow::SetScrollbar(int orient, int pos, int thumbVisible,
 
     // Adjusting scrollbars can resize the canvas accidentally
     if (newW != oldW || newH != oldH)
-        SetSize(-1, -1, oldW, oldH);
+        SetSize(wxDefaultCoord, wxDefaultCoord, oldW, oldH);
 }
 
 // Does a physical scroll
@@ -963,18 +873,6 @@ void wxWindow::ScrollWindow(int dx, int dy, const wxRect *rect)
         GetClientSize(& w, & h);
     }
 
-    wxWindowList::Node *cnode = m_children.GetFirst();
-    while (cnode)
-    {
-        wxWindow *child = cnode->GetData();
-        int sx = 0;
-        int sy = 0;
-        child->GetSize( &sx, &sy );
-        wxPoint pos( child->GetPosition() );
-        child->SetSize( pos.x + dx, pos.y + dy, sx, sy, wxSIZE_ALLOW_MINUS_ONE );
-        cnode = cnode->GetNext();
-    }
-
     int x1 = (dx >= 0) ? x : x - dx;
     int y1 = (dy >= 0) ? y : y - dy;
     int w1 = w - abs(dx);
@@ -993,10 +891,22 @@ void wxWindow::ScrollWindow(int dx, int dy, const wxRect *rect)
     XCopyArea(display, window, window, (GC) dc.GetGC(),
               x1, y1, w1, h1, x2, y2);
 
-    dc.SetAutoSetting(TRUE);
+    dc.SetAutoSetting(true);
     wxBrush brush(GetBackgroundColour(), wxSOLID);
     dc.SetBrush(brush); // FIXME: needed?
 
+    wxWindowList::compatibility_iterator cnode = m_children.GetFirst();
+    while (cnode)
+    {
+        wxWindow *child = cnode->GetData();
+        int sx = 0;
+        int sy = 0;
+        child->GetSize( &sx, &sy );
+        wxPoint pos( child->GetPosition() );
+        child->SetSize( pos.x + dx, pos.y + dy, sx, sy, wxSIZE_ALLOW_MINUS_ONE );
+        cnode = cnode->GetNext();
+    }
+
     // We'll add rectangles to the list of update rectangles according to which
     // bits we've exposed.
     wxList updateRects;
@@ -1081,7 +991,7 @@ void wxWindow::ScrollWindow(int dx, int dy, const wxRect *rect)
 
     // Now send expose events
 
-    wxList::Node* node = updateRects.GetFirst();
+    wxList::compatibility_iterator  node = updateRects.GetFirst();
     while (node)
     {
         wxRect* rect = (wxRect*) node->GetData();
@@ -1157,6 +1067,12 @@ void wxWindow::DoSetToolTip(wxToolTip * WXUNUSED(tooltip))
 
 bool wxWindow::DoPopupMenu(wxMenu *menu, int x, int y)
 {
+    if ( x == wxDefaultCoord && y == wxDefaultCoord )
+    {
+        wxPoint mouse = ScreenToClient(wxGetMousePosition());
+        x = mouse.x; y = mouse.y;
+    }
+
     Widget widget = (Widget) GetMainWidget();
 
     /* The menuId field seems to be usused, so we'll use it to
@@ -1167,15 +1083,15 @@ bool wxWindow::DoPopupMenu(wxMenu *menu, int x, int y)
     */
 
     if (menu->GetParent() && (menu->GetId() != -1))
-        return FALSE;
+        return false;
 
     if (menu->GetMainWidget())
     {
-        menu->DestroyMenu(TRUE);
+        menu->DestroyMenu(true);
     }
 
     menu->SetId(1); /* Mark as popped-up */
-    menu->CreateMenu(NULL, widget, menu);
+    menu->CreateMenu(NULL, widget, menu, 0);
     menu->SetInvokingWindow(this);
 
     menu->UpdateUI();
@@ -1234,7 +1150,7 @@ bool wxWindow::DoPopupMenu(wxMenu *menu, int x, int y)
         wxDoEventLoopIteration( evtLoop );
     }
 
-    return TRUE;
+    return true;
 }
 
 #endif
@@ -1245,32 +1161,33 @@ bool wxWindow::DoPopupMenu(wxMenu *menu, int x, int y)
 
 bool wxWindow::PreResize()
 {
-    return TRUE;
+    return true;
 }
 
 // Get total size
 void wxWindow::DoGetSize(int *x, int *y) const
 {
-    if (m_drawingArea)
-    {
-        CanvasGetSize(x, y);
-        return;
-    }
-
-    Widget widget = (Widget) GetTopWidget();
+    Widget widget = (Widget)( !m_drawingArea ? GetTopWidget() :
+                              ( m_borderWidget ? m_borderWidget :
+                                m_scrolledWindow ? m_scrolledWindow :
+                                m_drawingArea ) );
     Dimension xx, yy;
-    XtVaGetValues(widget, XmNwidth, &xx, XmNheight, &yy, NULL);
-    if(x) *x = xx; if(y) *y = yy;
+
+    XtVaGetValues( widget,
+                   XmNwidth, &xx,
+                   XmNheight, &yy,
+                   NULL );
+    if(x) *x = xx;
+    if(y) *y = yy;
 }
 
 void wxWindow::DoGetPosition(int *x, int *y) const
 {
-    if (m_drawingArea)
-    {
-        CanvasGetPosition(x, y);
-        return;
-    }
-    Widget widget = (Widget) GetTopWidget();
+    Widget widget = (Widget)
+        ( m_drawingArea ?
+          ( m_borderWidget ? m_borderWidget : m_scrolledWindow ) :
+          GetTopWidget() );
+
     Position xx, yy;
     XtVaGetValues(widget, XmNx, &xx, XmNy, &yy, NULL);
 
@@ -1279,11 +1196,12 @@ void wxWindow::DoGetPosition(int *x, int *y) const
     if (GetParent())
     {
         wxPoint pt(GetParent()->GetClientAreaOrigin());
-        xx -= pt.x;
-        yy -= pt.y;
+        xx = (Position)(xx - pt.x);
+        yy = (Position)(yy - pt.y);
     }
 
-    if(x) *x = xx; if(y) *y = yy;
+    if(x) *x = xx;
+    if(y) *y = yy;
 }
 
 void wxWindow::DoScreenToClient(int *x, int *y) const
@@ -1324,7 +1242,7 @@ void wxWindow::DoGetClientSize(int *x, int *y) const
 
 void wxWindow::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 {
-    DoSetSizeIntr(x, y, width, height, sizeFlags, FALSE);
+    DoSetSizeIntr(x, y, width, height, sizeFlags, false);
 }
 
 void wxWindow::DoSetSizeIntr(int x, int y, int width, int height,
@@ -1332,6 +1250,7 @@ void wxWindow::DoSetSizeIntr(int x, int y, int width, int height,
 {
     // A bit of optimization to help sort out the flickers.
     int oldX = -1, oldY = -1, oldW = -1, oldH = -1;
+
     if( !fromCtor )
     {
         GetSize(& oldW, & oldH);
@@ -1346,25 +1265,59 @@ void wxWindow::DoSetSizeIntr(int x, int y, int width, int height,
             y = oldY;
     }
 
+    wxSize size(wxDefaultSize);
     if ( width <= 0 )
-        width = oldW;
-    if ( height <= 0 )
-        height = oldH;
-
-    bool nothingChanged = (x == oldX) && (y == oldY) &&
-                          (width == oldW) && (height == oldH);
+    {
+        if ( ( sizeFlags & wxSIZE_AUTO_WIDTH ) && !fromCtor )
+        {
+            size = DoGetBestSize();
+            width = size.x;
+        }
+        else
+        {
+            width = oldW;
+        }
+    }
 
-    if (!wxNoOptimize::CanOptimize())
+    if ( height == -1 )
     {
-        nothingChanged = FALSE;
+        if( ( sizeFlags & wxSIZE_AUTO_HEIGHT ) && !fromCtor )
+        {
+            if( size.x == -1 ) size = DoGetBestSize();
+            height = size.y;
+        }
+        else
+        {
+            height = oldH;
+        }
     }
 
-    if ( !nothingChanged )
+    if ( x != oldX || y != oldY || width != oldW || height != oldH
+         || !wxNoOptimize::CanOptimize() )
     {
         if (m_drawingArea)
         {
-            CanvasSetSizeIntr(x, y, width, height, sizeFlags, fromCtor);
-            if( !fromCtor ) DoMoveWindow(x, y, width, height);
+            int flags = 0;
+
+            if (x > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
+                flags |= wxMOVE_X;
+
+            if (y > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
+                flags |= wxMOVE_Y;
+
+            if (width > 0)
+                flags |= wxMOVE_WIDTH;
+
+            if (height > 0)
+                flags |= wxMOVE_HEIGHT;
+
+            int xx = x; int yy = y;
+            AdjustForParentClientOrigin(xx, yy, sizeFlags);
+            if( !fromCtor )
+                DoMoveWindow( xx, yy, width, height );
+            else
+                DoMoveWindowIntr( xx, yy, width, height, flags );
+
             return;
         }
 
@@ -1391,7 +1344,16 @@ void wxWindow::DoSetClientSize(int width, int height)
 {
     if (m_drawingArea)
     {
-        CanvasSetClientSize(width, height);
+        Widget drawingArea = (Widget) m_drawingArea;
+
+        XtVaSetValues(drawingArea, XmNresizePolicy, XmRESIZE_ANY, NULL);
+
+        if (width > -1)
+            XtVaSetValues(drawingArea, XmNwidth, width, NULL);
+        if (height > -1)
+            XtVaSetValues(drawingArea, XmNheight, height, NULL);
+
+        XtVaSetValues(drawingArea, XmNresizePolicy, XmRESIZE_NONE, NULL);
         return;
     }
 
@@ -1401,67 +1363,90 @@ void wxWindow::DoSetClientSize(int width, int height)
         XtVaSetValues(widget, XmNwidth, width, NULL);
     if (height > -1)
         XtVaSetValues(widget, XmNheight, height, NULL);
-
-    wxSizeEvent sizeEvent(wxSize(width, height), GetId());
-    sizeEvent.SetEventObject(this);
-
-    GetEventHandler()->ProcessEvent(sizeEvent);
 }
 
-// For implementation purposes - sometimes decorations make the client area
-// smaller
-wxPoint wxWindow::GetClientAreaOrigin() const
+void wxWindow::DoMoveWindowIntr(int xx, int yy, int w, int h,
+                                int flags)
 {
-    return wxPoint(0, 0);
-}
+    if (m_drawingArea)
+    {
+        Widget drawingArea = (Widget) m_drawingArea;
+        Widget borderOrScrolled = m_borderWidget ?
+            (Widget) m_borderWidget :
+            (Widget) m_scrolledWindow;
 
-void wxWindow::SetSizeHints(int minW, int minH, int maxW, int maxH, int incW, int incH)
-{
-    m_minWidth = minW;
-    m_minHeight = minH;
-    m_maxWidth = maxW;
-    m_maxHeight = maxH;
+        bool managed = XtIsManaged(borderOrScrolled);
+        if (managed)
+            XtUnmanageChild (borderOrScrolled);
+        XtVaSetValues(drawingArea, XmNresizePolicy, XmRESIZE_ANY, NULL);
+
+        if (flags & wxMOVE_X)
+            XtVaSetValues (borderOrScrolled,
+                           XmNx, xx,
+                           NULL);
+        if (flags & wxMOVE_Y)
+            XtVaSetValues (borderOrScrolled,
+                           XmNy, yy,
+                           NULL);
+
+        if (flags & wxMOVE_WIDTH)
+        {
+            if (m_borderWidget)
+            {
+                XtVaSetValues ((Widget) m_borderWidget, XmNwidth, w, NULL);
+                short thick, margin;
+                XtVaGetValues ((Widget) m_borderWidget,
+                               XmNshadowThickness, &thick,
+                               XmNmarginWidth, &margin,
+                               NULL);
+                w -= 2 * (thick + margin);
+            }
 
-    wxFrame *frame = wxDynamicCast(this, wxFrame);
-    if ( !frame )
-    {
-        // TODO what about dialogs?
-        return;
-    }
+            if( w < 1 ) w = 1;
+            XtVaSetValues ((Widget) m_scrolledWindow, XmNwidth, w, NULL);
+        }
 
-    Widget widget = (Widget) frame->GetShellWidget();
+        if (flags & wxMOVE_HEIGHT)
+        {
+            if (m_borderWidget)
+            {
+                XtVaSetValues ((Widget) m_borderWidget, XmNheight, h, NULL);
+                short thick, margin;
+                XtVaGetValues ((Widget) m_borderWidget,
+                               XmNshadowThickness, &thick,
+                               XmNmarginHeight, &margin,
+                               NULL);
+                h -= 2 * (thick + margin);
+            }
+
+            if( h < 1 ) h = 1;
+            XtVaSetValues ((Widget) m_scrolledWindow, XmNheight, h, NULL);
+        }
 
-    if (minW > -1)
-        XtVaSetValues(widget, XmNminWidth, minW, NULL);
-    if (minH > -1)
-        XtVaSetValues(widget, XmNminHeight, minH, NULL);
-    if (maxW > -1)
-        XtVaSetValues(widget, XmNmaxWidth, maxW, NULL);
-    if (maxH > -1)
-        XtVaSetValues(widget, XmNmaxHeight, maxH, NULL);
-    if (incW > -1)
-        XtVaSetValues(widget, XmNwidthInc, incW, NULL);
-    if (incH > -1)
-        XtVaSetValues(widget, XmNheightInc, incH, NULL);
+        if (managed)
+            XtManageChild (borderOrScrolled);
+        XtVaSetValues(drawingArea, XmNresizePolicy, XmRESIZE_NONE, NULL);
+    }
+    else
+    {
+        if( xx < 0 ) xx = 0;
+        if( yy < 0 ) yy = 0;
+        if( w < 1 ) w = 1;
+        if( h < 1 ) h = 1;
+
+        XtVaSetValues((Widget)GetTopWidget(),
+                      XmNx, xx,
+                      XmNy, yy,
+                      XmNwidth, w,
+                      XmNheight, h,
+                      NULL);
+    }
 }
 
 void wxWindow::DoMoveWindow(int x, int y, int width, int height)
 {
-    // see the top of the file, near DoSetSizeIntr
-    if (m_drawingArea)
-        return;
-
-    if (width == 0)
-        width = 1;
-    if (height == 0)
-        height = 1;
-
-    XtVaSetValues((Widget)GetTopWidget(),
-                  XmNx, x,
-                  XmNy, y,
-                  XmNwidth, width,
-                  XmNheight, height,
-                  NULL);
+    DoMoveWindowIntr (x, y, width, height,
+                      wxMOVE_X|wxMOVE_Y|wxMOVE_WIDTH|wxMOVE_HEIGHT);
 }
 
 // ---------------------------------------------------------------------------
@@ -1472,29 +1457,24 @@ int wxWindow::GetCharHeight() const
 {
     wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
 
-    WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
+    int height;
 
-    int direction, ascent, descent;
-    XCharStruct overall;
-    XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
-        &descent, &overall);
+    wxGetTextExtent (GetXDisplay(), m_font, 1.0,
+                     "x", NULL, &height, NULL, NULL);
 
-    //  return (overall.ascent + overall.descent);
-    return (ascent + descent);
+    return height;
 }
 
 int wxWindow::GetCharWidth() const
 {
     wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
 
-    WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
+    int width;
 
-    int direction, ascent, descent;
-    XCharStruct overall;
-    XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
-        &descent, &overall);
+    wxGetTextExtent (GetXDisplay(), m_font, 1.0,
+                     "x", &width, NULL, NULL, NULL);
 
-    return overall.width;
+    return width;
 }
 
 void wxWindow::GetTextExtent(const wxString& string,
@@ -1502,45 +1482,28 @@ void wxWindow::GetTextExtent(const wxString& string,
                              int *descent, int *externalLeading,
                              const wxFont *theFont) const
 {
-    wxFont *fontToUse = (wxFont *)theFont;
-    if (!fontToUse)
-        fontToUse = (wxFont *) & m_font;
+    const wxFont *fontToUse = theFont ? theFont : &m_font;
 
     wxCHECK_RET( fontToUse->Ok(), "valid window font needed" );
-    
-    WXFontStructPtr pFontStruct = fontToUse->GetFontStruct(1.0, GetXDisplay());
-
-    int direction, ascent, descent2;
-    XCharStruct overall;
-    int slen = string.Len();
-
-#if 0
-    if (use16)
-        XTextExtents16((XFontStruct*) pFontStruct, (XChar2b *) (char*) (const char*) string, slen, &direction,
-        &ascent, &descent2, &overall);
-#endif
 
-    XTextExtents((XFontStruct*) pFontStruct, string, slen,
-                 &direction, &ascent, &descent2, &overall);
-
-    if ( x )
-        *x = (overall.width);
-    if ( y )
-        *y = (ascent + descent2);
-    if (descent)
-        *descent = descent2;
     if (externalLeading)
         *externalLeading = 0;
-
+    wxGetTextExtent (GetXDisplay(), *fontToUse, 1.0,
+                     string, x, y, NULL, descent);
 }
 
 // ----------------------------------------------------------------------------
 // painting
 // ----------------------------------------------------------------------------
 
+void wxWindow::AddUpdateRect(int x, int y, int w, int h)
+{
+    m_updateRegion.Union( x, y, w, h );
+}
+
 void wxWindow::Refresh(bool eraseBack, const wxRect *rect)
 {
-    m_needsRefresh = TRUE;
+    m_needsRefresh = true;
     Display *display = XtDisplay((Widget) GetMainWidget());
     Window thisWindow = XtWindow((Widget) GetMainWidget());
 
@@ -1582,27 +1545,6 @@ void wxWindow::Refresh(bool eraseBack, const wxRect *rect)
     XSendEvent(display, thisWindow, False, ExposureMask, (XEvent *)&dummyEvent);
 }
 
-void wxWindow::Clear()
-{
-    wxClientDC dc(this);
-    wxBrush brush(GetBackgroundColour(), wxSOLID);
-    dc.SetBackground(brush);
-    dc.Clear();
-}
-
-void wxWindow::ClearUpdateRects()
-{
-    wxRectList::Node* node = m_updateRects.GetFirst();
-    while (node)
-    {
-        wxRect* rect = node->GetData();
-        delete rect;
-        node = node->GetNext();
-    }
-
-    m_updateRects.Clear();
-}
-
 void wxWindow::DoPaint()
 {
     //TODO : make a temporary gc so we can do the XCopyArea below
@@ -1621,7 +1563,7 @@ void wxWindow::DoPaint()
       // otherwise we don't know how many pixels have been scrolled. We might
       // solve this in the future by defining virtual wxWindow functions to get
       // the scroll position in pixels. Or, each kind of scrolled window has to
-      // implement backing stores itself, using generic wxWindows code.
+      // implement backing stores itself, using generic wxWidgets code.
       wxScrolledWindow* scrolledWindow = wxDynamicCast(this, wxScrolledWindow);
       if ( scrolledWindow )
       {
@@ -1663,8 +1605,9 @@ void wxWindow::DoPaint()
     }
     else
     {
+        wxWindowDC dc(this);
         // Set an erase event first
-        wxEraseEvent eraseEvent(GetId());
+        wxEraseEvent eraseEvent(GetId(), &dc);
         eraseEvent.SetEventObject(this);
         GetEventHandler()->ProcessEvent(eraseEvent);
 
@@ -1672,7 +1615,7 @@ void wxWindow::DoPaint()
         event.SetEventObject(this);
         GetEventHandler()->ProcessEvent(event);
 
-        m_needsRefresh = FALSE;
+        m_needsRefresh = false;
     }
 }
 
@@ -1683,7 +1626,7 @@ void wxWindow::DoPaint()
 // Responds to colour changes: passes event on to children.
 void wxWindow::OnSysColourChanged(wxSysColourChangedEvent& event)
 {
-    wxWindowList::Node *node = GetChildren().GetFirst();
+    wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
     while ( node )
     {
         // Only propagate to non-top-level windows
@@ -1691,7 +1634,7 @@ void wxWindow::OnSysColourChanged(wxSysColourChangedEvent& event)
         if ( win->GetParent() )
         {
             wxSysColourChangedEvent event2;
-            event.m_eventObject = win;
+            event.SetEventObject(win);
             win->GetEventHandler()->ProcessEvent(event2);
         }
 
@@ -1699,11 +1642,12 @@ void wxWindow::OnSysColourChanged(wxSysColourChangedEvent& event)
     }
 }
 
-void wxWindow::OnIdle(wxIdleEvent& WXUNUSED(event))
+void wxWindow::OnInternalIdle()
 {
     // This calls the UI-update mechanism (querying windows for
     // menu/toolbar/control state information)
-    UpdateWindowUI();
+    if (wxUpdateUIEvent::CanUpdate(this))
+        UpdateWindowUI(wxUPDATE_UI_FROMIDLE);
 }
 
 // ----------------------------------------------------------------------------
@@ -1714,7 +1658,7 @@ bool wxWindow::ProcessAccelerator(wxKeyEvent& event)
 {
 #if wxUSE_ACCEL
     if (!m_acceleratorTable.Ok())
-        return FALSE;
+        return false;
 
     int count = m_acceleratorTable.GetCount();
     wxAcceleratorEntry* entries = m_acceleratorTable.GetEntries();
@@ -1734,7 +1678,7 @@ bool wxWindow::ProcessAccelerator(wxKeyEvent& event)
                 parent = parent->GetParent();
 
             if (!parent)
-                return FALSE;
+                return false;
 
             wxFrame* frame = wxDynamicCast(parent, wxFrame);
             if ( frame )
@@ -1749,7 +1693,7 @@ bool wxWindow::ProcessAccelerator(wxKeyEvent& event)
                         wxCommandEvent commandEvent(wxEVT_COMMAND_MENU_SELECTED, entry->GetCommand());
                         commandEvent.SetEventObject(frame);
 
-                        // If ProcessEvent returns TRUE (it was handled), then
+                        // If ProcessEvent returns true (it was handled), then
                         // the calling code will skip the event handling.
                         return frame->GetEventHandler()->ProcessEvent(commandEvent);
                     }
@@ -1762,7 +1706,7 @@ bool wxWindow::ProcessAccelerator(wxKeyEvent& event)
 
             // No such child
             if (!child)
-                return FALSE;
+                return false;
 
             // Now we process those kinds of windows that we can.
             // For now, only buttons.
@@ -1773,13 +1717,13 @@ bool wxWindow::ProcessAccelerator(wxKeyEvent& event)
                 return child->GetEventHandler()->ProcessEvent(commandEvent);
             }
 
-            return FALSE;
+            return false;
         } // matches event
     }// for
 #endif
 
     // We didn't match the key event against an accelerator.
-    return FALSE;
+    return false;
 }
 
 // ============================================================================
@@ -1787,25 +1731,25 @@ bool wxWindow::ProcessAccelerator(wxKeyEvent& event)
 // ============================================================================
 
 // ----------------------------------------------------------------------------
-// function which maintain the global hash table mapping Widgets to wxWindows
+// function which maintain the global hash table mapping Widgets to wxWidgets
 // ----------------------------------------------------------------------------
 
 bool wxAddWindowToTable(Widget w, wxWindow *win)
 {
-    wxWindow *oldItem = NULL;
-    if ((oldItem = (wxWindow *)wxWidgetHashTable->Get ((long) w)))
+    const long key = (long)w;
+    if ( wxWidgetHashTable->Get(key))
     {
         wxLogDebug("Widget table clash: new widget is %ld, %s",
-                   (long)w, win->GetClassInfo()->GetClassName());
-        return FALSE;
+                   key, win->GetClassInfo()->GetClassName());
+        return false;
     }
 
-    wxWidgetHashTable->Put((long) w, win);
+    wxWidgetHashTable->Put(key, win);
 
     wxLogTrace("widget", "Widget 0x%p <-> window %p (%s)",
-               (WXWidget)w, win, win->GetClassInfo()->GetClassName());
+               w, win, win->GetClassInfo()->GetClassName());
 
-    return TRUE;
+    return true;
 }
 
 wxWindow *wxGetWindowFromTable(Widget w)
@@ -1815,6 +1759,8 @@ wxWindow *wxGetWindowFromTable(Widget w)
 
 void wxDeleteWindowFromTable(Widget w)
 {
+    wxLogTrace("widget", "Widget 0x%p", (WXWidget)w);
+
     wxWidgetHashTable->Delete((long)w);
 }
 
@@ -1827,14 +1773,12 @@ bool wxWindow::AttachWidget (wxWindow* WXUNUSED(parent), WXWidget mainWidget,
                              WXWidget formWidget, int x, int y, int width, int height)
 {
     wxAddWindowToTable((Widget) mainWidget, this);
-    if (CanAddEventHandler())
-    {
-        XtAddEventHandler((Widget) mainWidget,
-            ButtonPressMask | ButtonReleaseMask | PointerMotionMask, // | KeyPressMask,
-            False,
-            wxPanelItemEventHandler,
-            (XtPointer) this);
-    }
+    XtAddEventHandler( (Widget) mainWidget,
+                       ButtonPressMask | ButtonReleaseMask
+                     | PointerMotionMask,
+                       False,
+                       wxPanelItemEventHandler,
+                       (XtPointer) this);
 
     if (!formWidget)
     {
@@ -1848,7 +1792,7 @@ bool wxWindow::AttachWidget (wxWindow* WXUNUSED(parent), WXWidget mainWidget,
     if (formWidget)
     {
         if (!wxAddWindowToTable((Widget) formWidget, this))
-            return FALSE;
+            return false;
 
         XtTranslations ptr;
         XtOverrideTranslations ((Widget) formWidget,
@@ -1860,31 +1804,38 @@ bool wxWindow::AttachWidget (wxWindow* WXUNUSED(parent), WXWidget mainWidget,
         x = 0;
     if (y == -1)
         y = 0;
-    SetSize (x, y, width, height);
+    DoSetSize (x, y, width, height, wxSIZE_USE_EXISTING);
 
-    return TRUE;
+    return true;
 }
 
 // Remove event handler, remove from hash table
 bool wxWindow::DetachWidget(WXWidget widget)
 {
-    if (CanAddEventHandler())
-    {
-        XtRemoveEventHandler((Widget) widget,
-            ButtonPressMask | ButtonReleaseMask | PointerMotionMask, // | KeyPressMask,
-            False,
-            wxPanelItemEventHandler,
-            (XtPointer)this);
-    }
+    XtRemoveEventHandler( (Widget) widget,
+                          ButtonPressMask | ButtonReleaseMask
+                        | PointerMotionMask,
+                          False,
+                          wxPanelItemEventHandler,
+                          (XtPointer)this);
 
     wxDeleteWindowFromTable((Widget) widget);
-    return TRUE;
+    return true;
 }
 
 // ----------------------------------------------------------------------------
 // Motif-specific accessors
 // ----------------------------------------------------------------------------
 
+WXWindow wxWindow::GetClientXWindow() const
+{
+    Widget wMain = (Widget)GetClientWidget();
+    if ( wMain )
+        return (WXWindow) XtWindow(wMain);
+    else
+        return (WXWindow) 0;
+}
+
 // Get the underlying X window
 WXWindow wxWindow::GetXWindow() const
 {
@@ -1937,7 +1888,8 @@ WXWidget wxWindow::GetLabelWidget() const
 
 // All widgets should have this as their resize proc.
 // OnSize sent to wxWindow via client data.
-void wxWidgetResizeProc(Widget w, XConfigureEvent *WXUNUSED(event), String WXUNUSED(args)[], int *WXUNUSED(num_args))
+void wxWidgetResizeProc(Widget w, XConfigureEvent *WXUNUSED(event),
+                        String WXUNUSED(args)[], int *WXUNUSED(num_args))
 {
     wxWindow *win = wxGetWindowFromTable(w);
     if (!win)
@@ -1945,9 +1897,8 @@ void wxWidgetResizeProc(Widget w, XConfigureEvent *WXUNUSED(event), String WXUNU
 
     if (win->PreResize())
     {
-        int width, height;
-        win->GetSize(&width, &height);
-        wxSizeEvent sizeEvent(wxSize(width, height), win->GetId());
+        wxSize newSize(win->GetSize());
+        wxSizeEvent sizeEvent(newSize, win->GetId());
         sizeEvent.SetEventObject(win);
         win->GetEventHandler()->ProcessEvent(sizeEvent);
     }
@@ -1969,11 +1920,10 @@ static void wxCanvasRepaintProc(Widget drawingArea,
         {
             win->AddUpdateRect(event->xexpose.x, event->xexpose.y,
                                event->xexpose.width, event->xexpose.height);
-            
+
             if (event -> xexpose.count == 0)
             {
                 win->DoPaint();
-                win->ClearUpdateRects();
             }
             break;
         }
@@ -1997,7 +1947,8 @@ static void wxCanvasEnterLeave(Widget drawingArea,
 }
 
 // Fix to make it work under Motif 1.0 (!)
-static void wxCanvasMotionEvent (Widget WXUNUSED(drawingArea), XButtonEvent * WXUNUSED(event))
+static void wxCanvasMotionEvent (Widget WXUNUSED(drawingArea),
+                                 XButtonEvent *WXUNUSED(event))
 {
 #if XmVersion <= 1000
     XmDrawingAreaCallbackStruct cbs;
@@ -2016,7 +1967,7 @@ static void wxCanvasInputEvent(Widget drawingArea,
                                XmDrawingAreaCallbackStruct * cbs)
 {
     wxWindow *canvas = wxGetWindowFromTable(drawingArea);
-    XEvent local_event;
+    XEvent* xevent = cbs->event;
 
     if (canvas==NULL)
         return;
@@ -2024,9 +1975,7 @@ static void wxCanvasInputEvent(Widget drawingArea,
     if (cbs->reason != XmCR_INPUT)
         return;
 
-    local_event = *(cbs->event);    // We must keep a copy!
-
-    switch (local_event.xany.type)
+    switch (xevent->xany.type)
     {
     case EnterNotify:
     case LeaveNotify:
@@ -2034,175 +1983,21 @@ static void wxCanvasInputEvent(Widget drawingArea,
     case ButtonRelease:
     case MotionNotify:
         {
-            // FIXME: most of this mouse event code is more or less
-            // duplicated in wxTranslateMouseEvent
-            //
-            wxEventType eventType = wxEVT_NULL;
-
-            if (local_event.xany.type == EnterNotify)
+            wxMouseEvent wxevent(0);
+            if (wxTranslateMouseEvent(wxevent, canvas, drawingArea, xevent))
             {
-                //if (local_event.xcrossing.mode!=NotifyNormal)
-                //  return ; // Ignore grab events
-                eventType = wxEVT_ENTER_WINDOW;
-                //            canvas->GetEventHandler()->OnSetFocus();
-            }
-            else if (local_event.xany.type == LeaveNotify)
-            {
-                //if (local_event.xcrossingr.mode!=NotifyNormal)
-                //  return ; // Ignore grab events
-                eventType = wxEVT_LEAVE_WINDOW;
-                //            canvas->GetEventHandler()->OnKillFocus();
-            }
-            else if (local_event.xany.type == MotionNotify)
-            {
-                eventType = wxEVT_MOTION;
+                canvas->GetEventHandler()->ProcessEvent(wxevent);
             }
-
-            else if (local_event.xany.type == ButtonPress)
-            {
-                if (local_event.xbutton.button == Button1)
-                {
-                    eventType = wxEVT_LEFT_DOWN;
-                    canvas->SetButton1(TRUE);
-                }
-                else if (local_event.xbutton.button == Button2)
-                {
-                    eventType = wxEVT_MIDDLE_DOWN;
-                    canvas->SetButton2(TRUE);
-                }
-                else if (local_event.xbutton.button == Button3)
-                {
-                    eventType = wxEVT_RIGHT_DOWN;
-                    canvas->SetButton3(TRUE);
-                }
-            }
-            else if (local_event.xany.type == ButtonRelease)
-            {
-                if (local_event.xbutton.button == Button1)
-                {
-                    eventType = wxEVT_LEFT_UP;
-                    canvas->SetButton1(FALSE);
-                }
-                else if (local_event.xbutton.button == Button2)
-                {
-                    eventType = wxEVT_MIDDLE_UP;
-                    canvas->SetButton2(FALSE);
-                }
-                else if (local_event.xbutton.button == Button3)
-                {
-                    eventType = wxEVT_RIGHT_UP;
-                    canvas->SetButton3(FALSE);
-                }
-            }
-
-            wxMouseEvent wxevent (eventType);
-
-            wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
-                || (event_left_is_down (&local_event)
-                && (eventType != wxEVT_LEFT_UP)));
-            wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
-                || (event_middle_is_down (&local_event)
-                && (eventType != wxEVT_MIDDLE_UP)));
-            wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
-                || (event_right_is_down (&local_event)
-                && (eventType != wxEVT_RIGHT_UP)));
-
-            wxevent.m_shiftDown = local_event.xbutton.state & ShiftMask;
-            wxevent.m_controlDown = local_event.xbutton.state & ControlMask;
-            wxevent.m_altDown = local_event.xbutton.state & Mod3Mask;
-            wxevent.m_metaDown = local_event.xbutton.state & Mod1Mask;
-            wxevent.SetTimestamp(local_event.xbutton.time);
-
-           if ( eventType == wxEVT_MOTION )
-           {
-                if (local_event.xmotion.is_hint == NotifyHint)
-                {
-                    Window root, child;
-                    Display *dpy = XtDisplay (drawingArea);
-
-                    XQueryPointer (dpy, XtWindow (drawingArea),
-                        &root, &child,
-                        &local_event.xmotion.x_root,
-                        &local_event.xmotion.y_root,
-                        &local_event.xmotion.x,
-                        &local_event.xmotion.y,
-                        &local_event.xmotion.state);
-                }
-                else
-                {
-                }
-           }
-
-            // Now check if we need to translate this event into a double click
-            if (TRUE) // canvas->doubleClickAllowed)
-            {
-                if (wxevent.ButtonDown())
-                {
-                    long dclickTime = XtGetMultiClickTime((Display*) wxGetDisplay());
-
-                    // get button and time-stamp
-                    int button = 0;
-                    if (wxevent.LeftDown())
-                        button = 1;
-                    else if (wxevent.MiddleDown())
-                        button = 2;
-                    else if (wxevent.RightDown())
-                        button = 3;
-                    long ts = wxevent.GetTimestamp();
-
-                    // check, if single or double click
-                    int buttonLast = canvas->GetLastClickedButton();
-                    long lastTS = canvas->GetLastClickTime();
-                    if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
-                    {
-                        // I have a dclick
-                        canvas->SetLastClick(0, ts);
-
-                        wxEventType typeDouble;
-                        if ( eventType == wxEVT_LEFT_DOWN )
-                            typeDouble = wxEVT_LEFT_DCLICK;
-                        else if ( eventType == wxEVT_MIDDLE_DOWN )
-                            typeDouble = wxEVT_MIDDLE_DCLICK;
-                        else if ( eventType == wxEVT_RIGHT_DOWN )
-                            typeDouble = wxEVT_RIGHT_DCLICK;
-                        else
-                            typeDouble = wxEVT_NULL;
-
-                        if ( typeDouble != wxEVT_NULL )
-                        {
-                            wxevent.SetEventType(typeDouble);
-                        }
-                    }
-                    else
-                    {
-                        // not fast enough or different button
-                        canvas->SetLastClick(button, ts);
-                    }
-                }
-            }
-
-            wxevent.SetId(canvas->GetId());
-            wxevent.SetEventObject(canvas);
-            wxevent.m_x = local_event.xbutton.x;
-            wxevent.m_y = local_event.xbutton.y;
-            canvas->GetEventHandler()->ProcessEvent (wxevent);
-#if 0
-            if (eventType == wxEVT_ENTER_WINDOW ||
-                    eventType == wxEVT_LEAVE_WINDOW ||
-                    eventType == wxEVT_MOTION
-               )
-                return;
-#endif // 0
             break;
-      }
+        }
     case KeyPress:
         {
             wxKeyEvent event (wxEVT_CHAR);
-            if (wxTranslateKeyEvent (event, canvas, (Widget) 0, &local_event))
+            if (wxTranslateKeyEvent (event, canvas, (Widget) 0, xevent))
             {
                 // Implement wxFrame::OnCharHook by checking ancestor.
-                wxWindow *parent = canvas->GetParent();
-                while (parent && !parent->IsKindOf(CLASSINFO(wxFrame)))
+                wxWindow *parent = canvas;
+                while (parent && !parent->IsTopLevel())
                     parent = parent->GetParent();
 
                 if (parent)
@@ -2219,16 +2014,16 @@ static void wxCanvasInputEvent(Widget drawingArea,
                 // Only process OnChar if OnKeyDown didn't swallow it
                 if (!canvas->GetEventHandler()->ProcessEvent (event))
                 {
-                  event.SetEventType(wxEVT_CHAR);
-                  canvas->GetEventHandler()->ProcessEvent (event);
-        }
+                    event.SetEventType(wxEVT_CHAR);
+                    canvas->GetEventHandler()->ProcessEvent (event);
+                }
             }
             break;
         }
     case KeyRelease:
         {
             wxKeyEvent event (wxEVT_KEY_UP);
-            if (wxTranslateKeyEvent (event, canvas, (Widget) 0, &local_event))
+            if (wxTranslateKeyEvent (event, canvas, (Widget) 0, xevent))
             {
                 canvas->GetEventHandler()->ProcessEvent (event);
             }
@@ -2236,7 +2031,7 @@ static void wxCanvasInputEvent(Widget drawingArea,
         }
     case FocusIn:
         {
-            if (local_event.xfocus.detail != NotifyPointer)
+            if (xevent->xfocus.detail != NotifyPointer)
             {
                 wxFocusEvent event(wxEVT_SET_FOCUS, canvas->GetId());
                 event.SetEventObject(canvas);
@@ -2246,7 +2041,7 @@ static void wxCanvasInputEvent(Widget drawingArea,
         }
     case FocusOut:
         {
-            if (local_event.xfocus.detail != NotifyPointer)
+            if (xevent->xfocus.detail != NotifyPointer)
             {
                 wxFocusEvent event(wxEVT_KILL_FOCUS, canvas->GetId());
                 event.SetEventObject(canvas);
@@ -2277,9 +2072,9 @@ static void wxPanelItemEventHandler(Widget    wid,
     }
 
     // TODO: probably the key to allowing default behaviour to happen. Say we
-    // set a m_doDefault flag to FALSE at the start of this function. Then in
+    // set a m_doDefault flag to false at the start of this function. Then in
     // e.g. wxWindow::OnMouseEvent we can call Default() which sets this flag to
-    // TRUE, indicating that default processing can happen. Thus, behaviour can
+    // true, indicating that default processing can happen. Thus, behaviour can
     // appear to be overridden just by adding an event handler and not calling
     // wxWindow::OnWhatever. ALSO, maybe we can use this instead of the current
     // way of handling drawing area events, to simplify things.
@@ -2291,7 +2086,7 @@ static void wxScrollBarCallback(Widget scrollbar,
                                 XmScrollBarCallbackStruct *cbs)
 {
     wxWindow *win = wxGetWindowFromTable(scrollbar);
-    int orientation = (int) clientData;
+    wxOrientation orientation = (wxOrientation)wxPtrToUInt(clientData);
 
     wxEventType eventType = wxEVT_NULL;
     switch (cbs->reason)
@@ -2346,8 +2141,7 @@ static void wxScrollBarCallback(Widget scrollbar,
 
     wxScrollWinEvent event(eventType,
                            cbs->value,
-                           ((orientation == XmHORIZONTAL) ?
-                            wxHORIZONTAL : wxVERTICAL));
+                           orientation);
     event.SetEventObject( win );
     win->GetEventHandler()->ProcessEvent(event);
 }
@@ -2355,30 +2149,20 @@ static void wxScrollBarCallback(Widget scrollbar,
 // For repainting arbitrary windows
 void wxUniversalRepaintProc(Widget w, XtPointer WXUNUSED(c_data), XEvent *event, char *)
 {
-    Window window;
-    Display *display;
-
     wxWindow* win = wxGetWindowFromTable(w);
     if (!win)
         return;
 
-    switch(event -> type)
+    switch ( event->type )
     {
-    case Expose:
+        case Expose:
         {
-            window = (Window) win -> GetXWindow();
-            display = (Display *) win -> GetXDisplay();
+            win->AddUpdateRect(event->xexpose.x, event->xexpose.y,
+                               event->xexpose.width, event->xexpose.height);
 
-            if (event -> xexpose.count == 0)
+            if ( event->xexpose.count == 0 )
             {
                 win->DoPaint();
-
-                win->ClearUpdateRects();
-            }
-            else
-            {
-                win->AddUpdateRect(event->xexpose.x, event->xexpose.y,
-                                   event->xexpose.width, event->xexpose.height);
             }
 
             break;
@@ -2386,267 +2170,53 @@ void wxUniversalRepaintProc(Widget w, XtPointer WXUNUSED(c_data), XEvent *event,
     }
 }
 
-// ----------------------------------------------------------------------------
-// CanvaseXXXSize() functions
-// ----------------------------------------------------------------------------
-
-void wxWindow::CanvasSetSize(int x, int y, int w, int h, int sizeFlags)
-{
-    CanvasSetSizeIntr(x, y, w, h, sizeFlags, FALSE);
-}
-
-// SetSize, but as per old wxCanvas (with drawing widget etc.)
-void wxWindow::CanvasSetSizeIntr(int x, int y, int w, int h, int sizeFlags,
-                                 bool fromCtor)
-{
-    // A bit of optimization to help sort out the flickers.
-    int oldX = -1, oldY = -1, oldW = -1, oldH = -1;
-    // see the top of the file, near DoSetSizeIntr
-    if( !fromCtor )
-    {
-        GetSize(& oldW, & oldH);
-        GetPosition(& oldX, & oldY);
-    }
-
-    bool useOldPos = FALSE;
-    bool useOldSize = FALSE;
-
-    if ((x == -1) && (x == -1) && ((sizeFlags & wxSIZE_ALLOW_MINUS_ONE) == 0))
-        useOldPos = TRUE;
-    else if (x == oldX && y == oldY)
-        useOldPos = TRUE;
-
-    if ((w == -1) && (h == -1))
-        useOldSize = TRUE;
-    else if (w == oldW && h == oldH)
-        useOldSize = TRUE;
-
-    if (!wxNoOptimize::CanOptimize())
-    {
-        useOldSize = FALSE; useOldPos = FALSE;
-    }
-
-    if (useOldPos && useOldSize)
-        return;
-
-    Widget drawingArea = (Widget) m_drawingArea;
-    bool managed = XtIsManaged(m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow);
-
-    if (managed)
-        XtUnmanageChild (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow);
-    XtVaSetValues(drawingArea, XmNresizePolicy, XmRESIZE_ANY, NULL);
-
-    int xx = x; int yy = y;
-    AdjustForParentClientOrigin(xx, yy, sizeFlags);
-
-    if (!useOldPos)
-    {
-        if (x > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
-        {
-            XtVaSetValues (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow,
-                XmNx, xx, NULL);
-        }
-
-        if (y > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
-        {
-            XtVaSetValues (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow,
-                XmNy, yy, NULL);
-        }
-    }
-
-    if (!useOldSize)
-    {
-
-        if (w > -1)
-        {
-            if (m_borderWidget)
-            {
-                XtVaSetValues ((Widget) m_borderWidget, XmNwidth, w, NULL);
-                short thick, margin;
-                XtVaGetValues ((Widget) m_borderWidget,
-                    XmNshadowThickness, &thick,
-                    XmNmarginWidth, &margin,
-                    NULL);
-                w -= 2 * (thick + margin);
-            }
-
-            XtVaSetValues ((Widget) m_scrolledWindow, XmNwidth, w, NULL);
-
-            Dimension spacing;
-            Widget sbar;
-            XtVaGetValues ((Widget) m_scrolledWindow,
-                XmNspacing, &spacing,
-                XmNverticalScrollBar, &sbar,
-                NULL);
-            Dimension wsbar;
-            if (sbar)
-                XtVaGetValues (sbar, XmNwidth, &wsbar, NULL);
-            else
-                wsbar = 0;
-
-            w -= (spacing + wsbar);
-
-#if 0
-            XtVaSetValues(drawingArea, XmNwidth, w, NULL);
-#endif // 0
-        }
-        if (h > -1)
-        {
-            if (m_borderWidget)
-            {
-                XtVaSetValues ((Widget) m_borderWidget, XmNheight, h, NULL);
-                short thick, margin;
-                XtVaGetValues ((Widget) m_borderWidget,
-                    XmNshadowThickness, &thick,
-                    XmNmarginHeight, &margin,
-                    NULL);
-                h -= 2 * (thick + margin);
-            }
-
-            XtVaSetValues ((Widget) m_scrolledWindow, XmNheight, h, NULL);
-
-            Dimension spacing;
-            Widget sbar;
-            XtVaGetValues ((Widget) m_scrolledWindow,
-                XmNspacing, &spacing,
-                XmNhorizontalScrollBar, &sbar,
-                NULL);
-            Dimension wsbar;
-            if (sbar)
-                XtVaGetValues (sbar, XmNheight, &wsbar, NULL);
-            else
-                wsbar = 0;
-
-            h -= (spacing + wsbar);
-
-#if 0
-            XtVaSetValues(drawingArea, XmNheight, h, NULL);
-#endif // 0
-        }
-    }
-
-    if (managed)
-        XtManageChild (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow);
-    XtVaSetValues(drawingArea, XmNresizePolicy, XmRESIZE_NONE, NULL);
-
-#if 0
-    int ww, hh;
-    GetClientSize (&ww, &hh);
-    wxSizeEvent sizeEvent(wxSize(ww, hh), GetId());
-    sizeEvent.SetEventObject(this);
-
-    GetEventHandler()->ProcessEvent(sizeEvent);
-#endif // 0
-}
-
-void wxWindow::CanvasSetClientSize (int w, int h)
-{
-    Widget drawingArea = (Widget) m_drawingArea;
-
-    XtVaSetValues(drawingArea, XmNresizePolicy, XmRESIZE_ANY, NULL);
-
-    if (w > -1)
-        XtVaSetValues(drawingArea, XmNwidth, w, NULL);
-    if (h > -1)
-        XtVaSetValues(drawingArea, XmNheight, h, NULL);
-
-#if 0
-    // TODO: is this necessary?
-    allowRepainting = FALSE;
-
-    XSync (XtDisplay (drawingArea), FALSE);
-    XEvent event;
-    while (XtAppPending (wxTheApp->appContext))
-    {
-        XFlush (XtDisplay (drawingArea));
-        XtAppNextEvent (wxTheApp->appContext, &event);
-        XtDispatchEvent (&event);
-    }
-#endif // 0
-
-    XtVaSetValues(drawingArea, XmNresizePolicy, XmRESIZE_NONE, NULL);
-
-#if 0
-    allowRepainting = TRUE;
-    DoRefresh ();
-
-    wxSizeEvent sizeEvent(wxSize(w, h), GetId());
-    sizeEvent.SetEventObject(this);
-
-    GetEventHandler()->ProcessEvent(sizeEvent);
-#endif // 0
-}
-
-void wxWindow::CanvasGetClientSize (int *w, int *h) const
-{
-    // Must return the same thing that was set via SetClientSize
-    Dimension xx, yy;
-    XtVaGetValues ((Widget) m_drawingArea, XmNwidth, &xx, XmNheight, &yy, NULL);
-    *w = xx;
-    *h = yy;
-}
-
-void wxWindow::CanvasGetSize (int *w, int *h) const
-{
-    Dimension xx, yy;
-    if ((Widget) m_borderWidget)
-        XtVaGetValues ((Widget) m_borderWidget, XmNwidth, &xx, XmNheight, &yy, NULL);
-    else if ((Widget) m_scrolledWindow)
-        XtVaGetValues ((Widget) m_scrolledWindow, XmNwidth, &xx, XmNheight, &yy, NULL);
-    else
-        XtVaGetValues ((Widget) m_drawingArea, XmNwidth, &xx, XmNheight, &yy, NULL);
-
-    *w = xx;
-    *h = yy;
-}
-
-void wxWindow::CanvasGetPosition (int *x, int *y) const
-{
-    Position xx, yy;
-    XtVaGetValues (m_borderWidget ? (Widget) m_borderWidget : (Widget) m_scrolledWindow, XmNx, &xx, XmNy, &yy, NULL);
-
-    // We may be faking the client origin.
-    // So a window that's really at (0, 30) may appear
-    // (to wxWin apps) to be at (0, 0).
-    if (GetParent())
-    {
-        wxPoint pt(GetParent()->GetClientAreaOrigin());
-        xx -= pt.x;
-        yy -= pt.y;
-    }
-
-    *x = xx;
-    *y = yy;
-}
-
 // ----------------------------------------------------------------------------
 // TranslateXXXEvent() functions
 // ----------------------------------------------------------------------------
 
-bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win, Widget widget, XEvent *xevent)
+bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win,
+                           Widget widget, const XEvent *xevent)
 {
     switch (xevent->xany.type)
     {
-        case EnterNotify:  // never received here - yes ? MB
-        case LeaveNotify:  // never received here - yes ? MB
+        case EnterNotify:
+        case LeaveNotify:
+#if 0
+            fprintf(stderr, "Widget 0x%p <-> window %p (%s), %s\n",
+                    (WXWidget)widget, win, win->GetClassInfo()->GetClassName(),
+                    (xevent->xany.type == EnterNotify ? "ENTER" : "LEAVE"));
+#endif
         case ButtonPress:
         case ButtonRelease:
         case MotionNotify:
         {
+            int eventx = xevent->xbutton.x, eventy = xevent->xbutton.y;
+
             wxEventType eventType = wxEVT_NULL;
 
-            // FIXME: this is never true I think - MB
-            //
             if (xevent->xany.type == LeaveNotify)
             {
-                win->SetButton1(FALSE);
-                win->SetButton2(FALSE);
-                win->SetButton3(FALSE);
-                return FALSE;
+                eventType = wxEVT_LEAVE_WINDOW;
+            }
+            if (xevent->xany.type == EnterNotify)
+            {
+                eventType = wxEVT_ENTER_WINDOW;
             }
             else if (xevent->xany.type == MotionNotify)
             {
                 eventType = wxEVT_MOTION;
+
+                if (xevent->xmotion.is_hint == NotifyHint)
+                {
+                    Window root, child;
+                    int x_root, y_root;
+                    unsigned int state;
+                    Display *dpy = XtDisplay (widget);
+
+                    XQueryPointer (dpy, XtWindow (widget),
+                        &root, &child,
+                        &x_root, &y_root, &eventx, &eventy, &state);
+                }
             }
             else if (xevent->xany.type == ButtonPress)
             {
@@ -2655,30 +2225,28 @@ bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win, Widget widget,
                 if (xevent->xbutton.button == Button1)
                 {
                     eventType = wxEVT_LEFT_DOWN;
-                    win->SetButton1(TRUE);
                     button = 1;
                 }
                 else if (xevent->xbutton.button == Button2)
                 {
                     eventType = wxEVT_MIDDLE_DOWN;
-                    win->SetButton2(TRUE);
                     button = 2;
                 }
                 else if (xevent->xbutton.button == Button3)
                 {
                     eventType = wxEVT_RIGHT_DOWN;
-                    win->SetButton3(TRUE);
                     button = 3;
                 }
 
                 // check for a double click
                 //
-                long dclickTime = XtGetMultiClickTime((Display*) wxGetDisplay());
+                long dclickTime = XtGetMultiClickTime(xevent->xany.display);
                 long ts = wxevent.GetTimestamp();
 
                 int buttonLast = win->GetLastClickedButton();
                 long lastTS = win->GetLastClickTime();
-                if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
+                if ( buttonLast && buttonLast == button &&
+                     (ts - lastTS) < dclickTime )
                 {
                     // I have a dclick
                     win->SetLastClick(0, ts);
@@ -2700,23 +2268,21 @@ bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win, Widget widget,
                 if (xevent->xbutton.button == Button1)
                 {
                     eventType = wxEVT_LEFT_UP;
-                    win->SetButton1(FALSE);
                 }
                 else if (xevent->xbutton.button == Button2)
                 {
                     eventType = wxEVT_MIDDLE_UP;
-                    win->SetButton2(FALSE);
                 }
                 else if (xevent->xbutton.button == Button3)
                 {
                     eventType = wxEVT_RIGHT_UP;
-                    win->SetButton3(FALSE);
                 }
-                else return FALSE;
+                else
+                    return false;
             }
             else
             {
-                return FALSE;
+                return false;
             }
 
             wxevent.SetEventType(eventType);
@@ -2727,7 +2293,7 @@ bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win, Widget widget,
             int x2, y2;
             win->GetPosition(&x2, &y2);
 
-            // The button x/y must be translated to wxWindows
+            // The button x/y must be translated to wxWidgets
             // window space - the widget might be a label or button,
             // within a form.
             int dx = 0;
@@ -2738,8 +2304,8 @@ bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win, Widget widget,
                 dy = y1;
             }
 
-            wxevent.m_x = xevent->xbutton.x + dx;
-            wxevent.m_y = xevent->xbutton.y + dy;
+            wxevent.m_x = eventx + dx;
+            wxevent.m_y = eventy + dy;
 
             wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
                 || (event_left_is_down (xevent)
@@ -2751,21 +2317,22 @@ bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win, Widget widget,
                 || (event_right_is_down (xevent)
                 && (eventType != wxEVT_RIGHT_UP)));
 
-            wxevent.m_shiftDown = xevent->xbutton.state & ShiftMask;
-            wxevent.m_controlDown = xevent->xbutton.state & ControlMask;
-            wxevent.m_altDown = xevent->xbutton.state & Mod3Mask;
-            wxevent.m_metaDown = xevent->xbutton.state & Mod1Mask;
+            wxevent.m_shiftDown = (xevent->xbutton.state & ShiftMask) == ShiftMask;
+            wxevent.m_controlDown = (xevent->xbutton.state & ControlMask) == ControlMask;
+            wxevent.m_altDown = (xevent->xbutton.state & Mod3Mask) == Mod3Mask;
+            wxevent.m_metaDown = (xevent->xbutton.state & Mod1Mask) == Mod1Mask;
 
             wxevent.SetId(win->GetId());
             wxevent.SetEventObject(win);
 
-            return TRUE;
+            return true;
         }
     }
-    return FALSE;
+    return false;
 }
 
-bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win, Widget WXUNUSED(widget), XEvent *xevent)
+bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win,
+                         Widget WXUNUSED(widget), const XEvent *xevent)
 {
     switch (xevent->xany.type)
     {
@@ -2775,11 +2342,7 @@ bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win, Widget WXUNUSED(wid
             char buf[20];
 
             KeySym keySym;
-#if 0
-            XComposeStatus compose;
-            (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, &compose);
-#endif // 0
-            (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, NULL);
+            (void) XLookupString((XKeyEvent *)xevent, buf, 20, &keySym, NULL);
             int id = wxCharCodeXToWX (keySym);
             // id may be WXK_xxx code - these are outside ASCII range, so we
             // can't just use toupper() on id
@@ -2787,13 +2350,13 @@ bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win, Widget WXUNUSED(wid
                 id = toupper(id);
 
             if (xevent->xkey.state & ShiftMask)
-                wxevent.m_shiftDown = TRUE;
+                wxevent.m_shiftDown = true;
             if (xevent->xkey.state & ControlMask)
-                wxevent.m_controlDown = TRUE;
+                wxevent.m_controlDown = true;
             if (xevent->xkey.state & Mod3Mask)
-                wxevent.m_altDown = TRUE;
+                wxevent.m_altDown = true;
             if (xevent->xkey.state & Mod1Mask)
-                wxevent.m_metaDown = TRUE;
+                wxevent.m_metaDown = true;
             wxevent.SetEventObject(win);
             wxevent.m_keyCode = id;
             wxevent.SetTimestamp(xevent->xkey.time);
@@ -2802,15 +2365,14 @@ bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win, Widget WXUNUSED(wid
             wxevent.m_y = xevent->xbutton.y;
 
             if (id > -1)
-                return TRUE;
-            else
-                return FALSE;
-            break;
+                return true;
+
+            return false;
         }
     default:
         break;
     }
-    return FALSE;
+    return false;
 }
 
 // ----------------------------------------------------------------------------
@@ -2819,7 +2381,7 @@ bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win, Widget WXUNUSED(wid
 
 #define YAllocColor XAllocColor
 XColor g_itemColors[5];
-int wxComputeColours (Display *display, wxColour * back, wxColour * fore)
+int wxComputeColours (Display *display, const wxColour * back, const wxColour * fore)
 {
     int result;
     static XmColorProc colorProc;
@@ -2828,9 +2390,9 @@ int wxComputeColours (Display *display, wxColour * back, wxColour * fore)
 
     if (back)
     {
-        g_itemColors[0].red = (((long) back->Red ()) << 8);
-        g_itemColors[0].green = (((long) back->Green ()) << 8);
-        g_itemColors[0].blue = (((long) back->Blue ()) << 8);
+        g_itemColors[0].red = (unsigned short)(((long) back->Red ()) << 8);
+        g_itemColors[0].green = (unsigned short)(((long) back->Green ()) << 8);
+        g_itemColors[0].blue = (unsigned short)(((long) back->Blue ()) << 8);
         g_itemColors[0].flags = DoRed | DoGreen | DoBlue;
         if (colorProc == (XmColorProc) NULL)
         {
@@ -2848,9 +2410,9 @@ int wxComputeColours (Display *display, wxColour * back, wxColour * fore)
     }
     if (fore)
     {
-        g_itemColors[wxFORE_INDEX].red = (((long) fore->Red ()) << 8);
-        g_itemColors[wxFORE_INDEX].green = (((long) fore->Green ()) << 8);
-        g_itemColors[wxFORE_INDEX].blue = (((long) fore->Blue ()) << 8);
+        g_itemColors[wxFORE_INDEX].red = (unsigned short)(((long) fore->Red ()) << 8);
+        g_itemColors[wxFORE_INDEX].green = (unsigned short)(((long) fore->Green ()) << 8);
+        g_itemColors[wxFORE_INDEX].blue = (unsigned short)(((long) fore->Blue ()) << 8);
         g_itemColors[wxFORE_INDEX].flags = DoRed | DoGreen | DoBlue;
         if (result == wxNO_COLORS)
             result = wxFORE_COLORS;
@@ -2873,8 +2435,7 @@ int wxComputeColours (Display *display, wxColour * back, wxColour * fore)
             result = wxNO_COLORS;
     }
 
-    return (result);
-
+    return result;
 }
 
 // Changes the foreground and background colours to be derived from the current
@@ -2884,91 +2445,38 @@ void wxWindow::ChangeBackgroundColour()
 {
     WXWidget mainWidget = GetMainWidget();
     if ( mainWidget )
-        DoChangeBackgroundColour(mainWidget, m_backgroundColour);
-
-    // This not necessary
-#if 0
-
-    if (m_scrolledWindow && (GetMainWidget() != m_scrolledWindow))
-    {
-        DoChangeBackgroundColour(m_scrolledWindow, m_backgroundColour);
-        // Have to set the scrollbar colours back since
-        // the scrolled window seemed to change them
-        wxColour backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
-
-        if (m_hScrollBar)
-            DoChangeBackgroundColour(m_hScrollBar, backgroundColour);
-        if (m_vScrollBar)
-            DoChangeBackgroundColour(m_vScrollBar, backgroundColour);
-    }
-#endif
+        wxDoChangeBackgroundColour(mainWidget, m_backgroundColour);
+    if ( m_scrolledWindow && mainWidget != m_scrolledWindow )
+        wxDoChangeForegroundColour(m_scrolledWindow, m_backgroundColour);
 }
 
 void wxWindow::ChangeForegroundColour()
 {
     WXWidget mainWidget = GetMainWidget();
     if ( mainWidget )
-        DoChangeForegroundColour(mainWidget, m_foregroundColour);
+        wxDoChangeForegroundColour(mainWidget, m_foregroundColour);
     if ( m_scrolledWindow && mainWidget != m_scrolledWindow )
-        DoChangeForegroundColour(m_scrolledWindow, m_foregroundColour);
-}
-
-// Change a widget's foreground and background colours.
-void wxWindow::DoChangeForegroundColour(WXWidget widget, wxColour& foregroundColour)
-{
-    // When should we specify the foreground, if it's calculated
-    // by wxComputeColours?
-    // Solution: say we start with the default (computed) foreground colour.
-    // If we call SetForegroundColour explicitly for a control or window,
-    // then the foreground is changed.
-    // Therefore SetBackgroundColour computes the foreground colour, and
-    // SetForegroundColour changes the foreground colour. The ordering is
-    // important.
-
-    Widget w = (Widget)widget;
-    XtVaSetValues(
-                  w,
-                  XmNforeground, foregroundColour.AllocColour(XtDisplay(w)),
-                  NULL
-                 );
-}
-
-void wxWindow::DoChangeBackgroundColour(WXWidget widget, wxColour& backgroundColour, bool changeArmColour)
-{
-    wxComputeColours (XtDisplay((Widget) widget), & backgroundColour,
-        (wxColour*) NULL);
-
-    XtVaSetValues ((Widget) widget,
-        XmNbackground, g_itemColors[wxBACK_INDEX].pixel,
-        XmNtopShadowColor, g_itemColors[wxTOPS_INDEX].pixel,
-        XmNbottomShadowColor, g_itemColors[wxBOTS_INDEX].pixel,
-        XmNforeground, g_itemColors[wxFORE_INDEX].pixel,
-        NULL);
-
-    if (changeArmColour)
-        XtVaSetValues ((Widget) widget,
-        XmNarmColor, g_itemColors[wxSELE_INDEX].pixel,
-        NULL);
+        wxDoChangeForegroundColour(m_scrolledWindow, m_foregroundColour);
 }
 
 bool wxWindow::SetBackgroundColour(const wxColour& col)
 {
     if ( !wxWindowBase::SetBackgroundColour(col) )
-        return FALSE;
+        return false;
 
     ChangeBackgroundColour();
 
-    return TRUE;
+    return true;
 }
 
 bool wxWindow::SetForegroundColour(const wxColour& col)
 {
     if ( !wxWindowBase::SetForegroundColour(col) )
-        return FALSE;
+        return false;
 
     ChangeForegroundColour();
 
-    return TRUE;
+    return true;
 }
 
 void wxWindow::ChangeFont(bool keepOriginalSize)
@@ -2982,18 +2490,12 @@ void wxWindow::ChangeFont(bool keepOriginalSize)
         int width, height, width1, height1;
         GetSize(& width, & height);
 
-        // lesstif 0.87 hangs here, but 0.93 does not
-#if !defined(LESSTIF_VERSION) \
-    || (defined(LesstifVersion) && LesstifVersion >= 93)
-        XtVaSetValues (w,
-            XmNfontList, (XmFontList) m_font.GetFontList(1.0, XtDisplay(w)),
-            NULL);
-#endif
+        wxDoChangeFont( GetLabelWidget(), m_font );
 
         GetSize(& width1, & height1);
         if (keepOriginalSize && (width != width1 || height != height1))
         {
-            SetSize(-1, -1, width, height);
+            SetSize(wxDefaultCoord, wxDefaultCoord, width, height);
         }
     }
 }
@@ -3020,24 +2522,55 @@ wxWindow *wxWindowBase::GetCapture()
 // position.
 wxWindow* wxFindWindowAtPointer(wxPoint& pt)
 {
-    return wxFindWindowAtPoint(wxGetMousePosition());
+    pt = wxGetMousePosition();
+    return wxFindWindowAtPoint(pt);
 }
 
-// Get the current mouse position.
-wxPoint wxGetMousePosition()
+void wxGetMouseState(int& rootX, int& rootY, unsigned& maskReturn)
 {
-    Display *display = (Display*) wxGetDisplay();
+    Display *display = wxGlobalDisplay();
     Window rootWindow = RootWindowOfScreen (DefaultScreenOfDisplay(display));
     Window rootReturn, childReturn;
-    int rootX, rootY, winX, winY;
-    unsigned int maskReturn;
+    int winX, winY;
 
     XQueryPointer (display,
                    rootWindow,
                    &rootReturn,
                    &childReturn,
                    &rootX, &rootY, &winX, &winY, &maskReturn);
-    return wxPoint(rootX, rootY);
+}
+
+// Get the current mouse position.
+wxPoint wxGetMousePosition()
+{
+    int x, y;
+    unsigned mask;
+
+    wxGetMouseState(x, y, mask);
+    return wxPoint(x, y);
+}
+
+wxMouseState wxGetMouseState()
+{
+    wxMouseState ms;
+    int x, y;
+    unsigned mask;
+
+    wxGetMouseState(x, y, mask);
+
+    ms.SetX(x);
+    ms.SetY(y);
+
+    ms.SetLeftDown(mask & Button1Mask);
+    ms.SetMiddleDown(mask & Button2Mask);
+    ms.SetRightDown(mask & Button3Mask);
+
+    ms.SetControlDown(mask & ControlMask);
+    ms.SetShiftDown(mask & ShiftMask);
+    ms.SetAltDown(mask & Mod3Mask);
+    ms.SetMetaDown(mask & Mod1Mask);
+
+    return ms;
 }
 
 
@@ -3046,4 +2579,3 @@ wxPoint wxGetMousePosition()
 // ----------------------------------------------------------------------------
 
 int wxNoOptimize::ms_count = 0;
-