]> git.saurik.com Git - wxWidgets.git/blobdiff - src/motif/window.cpp
Add bmpmotif.cpp to descrip.mms.
[wxWidgets.git] / src / motif / window.cpp
index f7ed6cb2bb455037f1c9c3b600e6d7e9850d6d15..49f55797310258490af141d7c90b250258c16d50 100644 (file)
     #pragma implementation "window.h"
 #endif
 
+#ifdef __VMS
+#define XtDisplay XTDISPLAY
+#define XtWindow XTWINDOW
+#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"
 #include "wx/module.h"
 #include "wx/menuitem.h"
 #include "wx/log.h"
-
-#include "wx/listimpl.cpp"
+#include "wx/evtloop.h"
+#include "wx/hash.h"
 
 #if  wxUSE_DRAG_AND_DROP
     #include "wx/dnd.h"
 #endif
 
+// DoSetSizeIntr and DoMoveWindowIntr
+// PROBLEM:
+// under Motif composite controls (such as wxCalendarCtrl or generic wxSpinCtrl
+// did nott 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)
+//    then DoSetSize is never called, causing layout problems in composite
+//    controls
+//
+// 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
+
+#ifdef __VMS__
+#pragma message disable nosimpint
+#endif
 #include <Xm/Xm.h>
 
 #include <Xm/DrawingA.h>
@@ -54,6 +74,9 @@
 #include <Xm/Frame.h>
 #include <Xm/Label.h>
 #include <Xm/RowColumn.h>           // for XmMenuPosition
+#ifdef __VMS__
+#pragma message enable nosimpint
+#endif
 
 #include "wx/motif/private.h"
 
@@ -70,6 +93,8 @@ static const int SCROLL_MARGIN = 4;
 // ----------------------------------------------------------------------------
 
 extern wxHashTable *wxWidgetHashTable;
+static wxWindow* g_captureWindow = NULL;
+
 
 // ----------------------------------------------------------------------------
 // private functions
@@ -80,7 +105,7 @@ static void wxCanvasInputEvent(Widget drawingArea, XtPointer data, XmDrawingArea
 static void wxCanvasMotionEvent(Widget, XButtonEvent * event);
 static void wxCanvasEnterLeave(Widget drawingArea, XtPointer clientData, XCrossingEvent * event);
 static void wxScrollBarCallback(Widget widget, XtPointer clientData,
-                                XmScaleCallbackStruct *cbs);
+                                XmScrollBarCallbackStruct *cbs);
 static void wxPanelItemEventHandler(Widget    wid,
                                     XtPointer client_data,
                                     XEvent*   event,
@@ -116,25 +141,17 @@ static int str16len(const char *s)
 // event tables
 // ----------------------------------------------------------------------------
 
-#if !USE_SHARED_LIBRARY
-    IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxEvtHandler)
+    IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowBase)
 
-    BEGIN_EVENT_TABLE(wxWindow, wxEvtHandler)
+    BEGIN_EVENT_TABLE(wxWindow, wxWindowBase)
         EVT_SYS_COLOUR_CHANGED(wxWindow::OnSysColourChanged)
         EVT_IDLE(wxWindow::OnIdle)
     END_EVENT_TABLE()
-#endif // USE_SHARED_LIBRARY
 
 // ============================================================================
 // implementation
 // ============================================================================
 
-// ----------------------------------------------------------------------------
-// list types
-// ----------------------------------------------------------------------------
-
-WX_DEFINE_LIST(wxRectList);
-
 // ----------------------------------------------------------------------------
 // helper functions
 // ----------------------------------------------------------------------------
@@ -149,17 +166,24 @@ void wxWindow::UnmanageAndDestroy(WXWidget widget)
     }
 }
 
-bool wxWindow::MapOrUnmap(WXWidget widget, bool map)
+bool wxWindow::MapOrUnmap(WXWidget widget, bool domap)
 {
     Widget w = (Widget)widget;
     if ( !w )
         return FALSE;
 
-    if ( map )
+    if ( domap )
         XtMapWidget(w);
     else
         XtUnmapWidget(w);
 
+    //   Rationale: a lot of common operations (including but not
+    // limited to moving, resizing and appending items to a listbox)
+    // unmamange the widget, do their work, then manage it again.
+    // This means that, for example adding an item to a listbox will show it,
+    // or that most controls are shown every time they are moved or resized!
+    XtSetMappedWhenManaged( w, domap );
+
     return TRUE;
 }
 
@@ -222,7 +246,7 @@ bool wxWindow::Create(wxWindow *parent, wxWindowID id,
 
     parent->AddChild(this);
 
-    m_backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
+    m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
     m_foregroundColour = *wxBLACK;
 
     //// TODO: we should probably optimize by only creating a
@@ -253,7 +277,18 @@ bool wxWindow::Create(wxWindow *parent, wxWindowID id,
     XtAppAddActions ((XtAppContext) wxTheApp->GetAppContext(), actions, 1);
 
     Widget parentWidget = (Widget) parent->GetClientWidget();
-    if (style & wxBORDER)
+    
+    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
                                    (
@@ -262,6 +297,15 @@ bool wxWindow::Create(wxWindow *parent, wxWindowID id,
                                     XmNshadowType, XmSHADOW_IN,
                                     NULL
                                    );
+    } else if (style & wxRAISED_BORDER)
+    {
+        m_borderWidget = (WXWidget)XtVaCreateManagedWidget
+                                   (
+                                    "canvasBorder",
+                                    xmFrameWidgetClass, parentWidget,
+                                    XmNshadowType, XmSHADOW_OUT,
+                                    NULL
+                                   );
     }
 
     m_scrolledWindow = (WXWidget)XtVaCreateManagedWidget
@@ -333,7 +377,7 @@ 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::GetSystemColour(wxSYS_COLOUR_3DFACE);
+    wxColour backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
     DoChangeBackgroundColour(m_scrolledWindow, backgroundColour, TRUE);
     DoChangeBackgroundColour(m_drawingArea, backgroundColour, TRUE);
 
@@ -352,15 +396,17 @@ bool wxWindow::Create(wxWindow *parent, wxWindowID id,
     // Without this, the cursor may not be restored properly (e.g. in splitter
     // sample).
     SetCursor(*wxSTANDARD_CURSOR);
-    SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT));
-    SetSize(pos.x, pos.y, size.x, size.y);
-
+    SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
+    DoSetSizeIntr(pos.x, pos.y, size.x,size.y, wxSIZE_AUTO, TRUE);
     return TRUE;
 }
 
 // Destructor
 wxWindow::~wxWindow()
 {
+    if (g_captureWindow == this)
+        g_captureWindow = NULL;
+    
     m_isBeingDeleted = TRUE;
     
     // Motif-specific actions first
@@ -392,18 +438,31 @@ wxWindow::~wxWindow()
         if (w)
         {
             XtDestroyWidget(w);
+            m_drawingArea = (WXWidget) 0;
         }
 
-        m_mainWidget = (WXWidget) 0;
-
         // Only if we're _really_ a canvas (not a dialog box/panel)
         if (m_scrolledWindow)
         {
             wxDeleteWindowFromTable((Widget) m_scrolledWindow);
         }
 
-        UnmanageAndDestroy(m_hScrollBar);
-        UnmanageAndDestroy(m_vScrollBar);
+        if (m_hScrollBar)
+        {
+            wxDeleteWindowFromTable((Widget) m_hScrollBar);
+            XtUnmanageChild((Widget) m_hScrollBar);
+        }
+        if (m_vScrollBar)
+        {
+            wxDeleteWindowFromTable((Widget) m_vScrollBar);
+            XtUnmanageChild((Widget) m_vScrollBar);
+        }
+
+        if (m_hScrollBar)
+            XtDestroyWidget((Widget) m_hScrollBar);
+        if (m_vScrollBar)
+            XtDestroyWidget((Widget) m_vScrollBar);
+
         UnmanageAndDestroy(m_scrolledWindow);
 
         if (m_borderWidget)
@@ -412,6 +471,9 @@ wxWindow::~wxWindow()
             m_borderWidget = (WXWidget) 0;
         }
     }
+    else // Why wasn't this here before? JACS 8/3/2000
+        DestroyChildren();
+
 
     // Destroy the window
     if (GetMainWidget())
@@ -421,6 +483,12 @@ wxWindow::~wxWindow()
         // or dialog is destroyed, but before that you may get some memory
         // leaks and potential layout problems if you delete and then add
         // child windows.
+
+        // GRG, Feb/2000: commented this out when adding support for
+        //   wxSCROLL[WIN]_THUMBRELEASE events. Also it was reported
+        //   that this call crashed wxMotif under OS/2, so it seems
+        //   that leaving it out is the right thing to do.
+        // SN, Feb/2000: newgrid/griddemo shows why it is needed :-(
         XtDestroyWidget((Widget) GetMainWidget());
         SetMainWidget((WXWidget) NULL);
     }
@@ -444,7 +512,7 @@ void wxWindow::CreateScrollbar(wxOrientation orientation)
             xmScrollBarWidgetClass, (Widget) m_scrolledWindow,
             XmNorientation, XmHORIZONTAL,
             NULL);
-        //      XtAddCallback (hScrollBar, XmNvalueChangedCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmHORIZONTAL);
+        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);
@@ -460,7 +528,7 @@ void wxWindow::CreateScrollbar(wxOrientation orientation)
 
         m_hScrollBar = (WXWidget) hScrollBar;
 
-        wxColour backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
+        wxColour backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
         DoChangeBackgroundColour(m_hScrollBar, backgroundColour, TRUE);
 
         XtRealizeWidget(hScrollBar);
@@ -470,6 +538,8 @@ void wxWindow::CreateScrollbar(wxOrientation orientation)
             NULL);
 
         m_hScroll = TRUE;
+
+        wxAddWindowToTable( hScrollBar, this );
     }
 
     if (orientation == wxVERTICAL)
@@ -478,7 +548,7 @@ void wxWindow::CreateScrollbar(wxOrientation orientation)
             xmScrollBarWidgetClass, (Widget) m_scrolledWindow,
             XmNorientation, XmVERTICAL,
             NULL);
-        //      XtAddCallback (vScrollBar, XmNvalueChangedCallback, (XtCallbackProc) wxScrollBarCallback, (XtPointer) XmVERTICAL);
+        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);
@@ -493,7 +563,7 @@ void wxWindow::CreateScrollbar(wxOrientation orientation)
             NULL);
 
         m_vScrollBar = (WXWidget) vScrollBar;
-        wxColour backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
+        wxColour backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
         DoChangeBackgroundColour(m_vScrollBar, backgroundColour, TRUE);
 
         XtRealizeWidget(vScrollBar);
@@ -503,6 +573,8 @@ void wxWindow::CreateScrollbar(wxOrientation orientation)
             NULL);
 
         m_vScroll = TRUE;
+
+        wxAddWindowToTable( vScrollBar, this );
     }
 
     XtVaSetValues((Widget) m_scrolledWindow, XmNresizePolicy, XmRESIZE_ANY, NULL);
@@ -518,6 +590,7 @@ void wxWindow::DestroyScrollbar(wxOrientation orientation)
     {
         if (m_hScrollBar)
         {
+            wxDeleteWindowFromTable((Widget)m_hScrollBar);
             XtDestroyWidget((Widget) m_hScrollBar);
         }
         m_hScrollBar = (WXWidget) 0;
@@ -533,10 +606,11 @@ void wxWindow::DestroyScrollbar(wxOrientation orientation)
     {
         if (m_vScrollBar)
         {
+            wxDeleteWindowFromTable((Widget)m_vScrollBar);
             XtDestroyWidget((Widget) m_vScrollBar);
         }
         m_vScrollBar = (WXWidget) 0;
-        m_vScroll = TRUE;
+        m_vScroll = FALSE;
 
         XtVaSetValues((Widget) m_scrolledWindow,
             XmNverticalScrollBar, (Widget) 0,
@@ -617,15 +691,6 @@ 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;
 }
 
@@ -658,8 +723,9 @@ wxString wxWindow::GetTitle() const
     return wxString(title);
 }
 
-void wxWindow::CaptureMouse()
+void wxWindow::DoCaptureMouse()
 {
+    g_captureWindow = this;
     if ( m_winCaptured )
         return;
 
@@ -670,8 +736,9 @@ void wxWindow::CaptureMouse()
     m_winCaptured = TRUE;
 }
 
-void wxWindow::ReleaseMouse()
+void wxWindow::DoReleaseMouse()
 {
+    g_captureWindow = NULL;
     if ( !m_winCaptured )
         return;
 
@@ -703,11 +770,16 @@ bool wxWindow::SetCursor(const wxCursor& cursor)
         return FALSE;
     }
 
-    wxASSERT_MSG( m_cursor.Ok(),
-                  _T("cursor must be valid after call to the base version"));
+    //    wxASSERT_MSG( m_cursor.Ok(),
+    //                  wxT("cursor must be valid after call to the base version"));
+    wxCursor* cursor2 = NULL;
+    if (m_cursor.Ok())
+        cursor2 = & m_cursor;
+    else
+        cursor2 = wxSTANDARD_CURSOR;
 
     WXDisplay *dpy = GetXDisplay();
-    WXCursor x_cursor = m_cursor.GetXCursor(dpy);
+    WXCursor x_cursor = cursor2->GetXCursor(dpy);
 
     Widget w = (Widget) GetMainWidget();
     Window win = XtWindow(w);
@@ -755,8 +827,9 @@ int wxWindow::GetScrollRange(int orient) const
     Widget scrollBar = (Widget)GetScrollbar((wxOrientation)orient);
     wxCHECK_MSG( scrollBar, 0, "no such scrollbar" );
 
-    int range;
-    XtVaGetValues(scrollBar, XmNmaximum, &range, NULL);
+    int range = 0;
+    if (scrollBar) 
+        XtVaGetValues(scrollBar, XmNmaximum, &range, NULL);
     return range;
 }
 
@@ -895,6 +968,18 @@ void wxWindow::ScrollWindow(int dx, int dy, const wxRect *rect)
     wxBrush brush(GetBackgroundColour(), wxSOLID);
     dc.SetBrush(brush); // FIXME: needed?
 
+    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();
+    }
+
     // We'll add rectangles to the list of update rectangles according to which
     // bits we've exposed.
     wxList updateRects;
@@ -979,10 +1064,10 @@ void wxWindow::ScrollWindow(int dx, int dy, const wxRect *rect)
 
     // Now send expose events
 
-    wxNode* node = updateRects.First();
+    wxList::Node* node = updateRects.GetFirst();
     while (node)
     {
-        wxRect* rect = (wxRect*) node->Data();
+        wxRect* rect = (wxRect*) node->GetData();
         XExposeEvent event;
 
         event.type = Expose;
@@ -999,17 +1084,17 @@ void wxWindow::ScrollWindow(int dx, int dy, const wxRect *rect)
 
         XSendEvent(display, window, False, ExposureMask, (XEvent *)&event);
 
-        node = node->Next();
+        node = node->GetNext();
 
     }
 
     // Delete the update rects
-    node = updateRects.First();
+    node = updateRects.GetFirst();
     while (node)
     {
-        wxRect* rect = (wxRect*) node->Data();
+        wxRect* rect = (wxRect*) node->GetData();
         delete rect;
-        node = node->Next();
+        node = node->GetNext();
     }
 
     XmUpdateDisplay((Widget) GetMainWidget());
@@ -1051,6 +1136,8 @@ void wxWindow::DoSetToolTip(wxToolTip * WXUNUSED(tooltip))
 // popup menus
 // ----------------------------------------------------------------------------
 
+#if wxUSE_MENUS
+
 bool wxWindow::DoPopupMenu(wxMenu *menu, int x, int y)
 {
     Widget widget = (Widget) GetMainWidget();
@@ -1065,7 +1152,8 @@ bool wxWindow::DoPopupMenu(wxMenu *menu, int x, int y)
     if (menu->GetParent() && (menu->GetId() != -1))
         return FALSE;
 
-    if (menu->GetMainWidget()) {
+    if (menu->GetMainWidget())
+    {
         menu->DestroyMenu(TRUE);
     }
 
@@ -1114,9 +1202,26 @@ bool wxWindow::DoPopupMenu(wxMenu *menu, int x, int y)
     XmMenuPosition (menuWidget, &event);
     XtManageChild (menuWidget);
 
+    // The ID of a pop-up menu is 1 when active, and is set to 0 by the
+    // idle-time destroy routine.
+    // Waiting until this ID changes causes this function to block until
+    // the menu has been dismissed and the widgets cleaned up.
+    // In other words, once this routine returns, it is safe to delete
+    // the menu object.
+    // Ian Brown <ian.brown@printsoft.de>
+
+    wxEventLoop evtLoop;
+
+    while (menu->GetId() == 1)
+    {
+        wxDoEventLoopIteration( evtLoop );
+    }
+
     return TRUE;
 }
 
+#endif
+
 // ---------------------------------------------------------------------------
 // moving and resizing
 // ---------------------------------------------------------------------------
@@ -1129,26 +1234,27 @@ bool wxWindow::PreResize()
 // 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);
-    *x = xx; *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);
 
@@ -1161,7 +1267,8 @@ void wxWindow::DoGetPosition(int *x, int *y) const
         yy -= pt.y;
     }
 
-    *x = xx; *y = yy;
+    if(x) *x = xx;
+    if(y) *y = yy;
 }
 
 void wxWindow::DoScreenToClient(int *x, int *y) const
@@ -1197,86 +1304,122 @@ void wxWindow::DoGetClientSize(int *x, int *y) const
     Widget widget = (Widget) GetClientWidget();
     Dimension xx, yy;
     XtVaGetValues(widget, XmNwidth, &xx, XmNheight, &yy, NULL);
-    *x = xx; *y = yy;
+    if(x) *x = xx; if(y) *y = yy;
 }
 
 void wxWindow::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 {
-    // A bit of optimization to help sort out the flickers.
-    int oldX, oldY, oldW, oldH;
-    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 ((width == -1) && (height == -1))
-        useOldSize = TRUE;
-    else if (width == oldW && height == oldH)
-        useOldSize = TRUE;
+    DoSetSizeIntr(x, y, width, height, sizeFlags, FALSE);
+}
 
-    if (!wxNoOptimize::CanOptimize())
+void wxWindow::DoSetSizeIntr(int x, int y, int width, int height,
+                             int sizeFlags, bool fromCtor)
+{
+    // A bit of optimization to help sort out the flickers.
+    int oldX = -1, oldY = -1, oldW = -1, oldH = -1;
+    if( !fromCtor )
     {
-        useOldSize = FALSE; useOldPos = FALSE;
+        GetSize(& oldW, & oldH);
+        GetPosition(& oldX, & oldY);
     }
 
-    if (useOldPos && useOldSize)
-        return;
-
-    if (m_drawingArea)
+    if ( !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
     {
-        CanvasSetSize(x, y, width, height, sizeFlags);
-        return;
+        if ( x == -1 )
+            x = oldX;
+        if ( y == -1 )
+            y = oldY;
     }
-    Widget widget = (Widget) GetTopWidget();
-    if (!widget)
-        return;
-
-    bool managed = XtIsManaged( widget );
-    if (managed)
-        XtUnmanageChild(widget);
 
-    int xx = x; int yy = y;
-    AdjustForParentClientOrigin(xx, yy, sizeFlags);
-
-    if (!useOldPos)
+    wxSize size(-1, -1);
+    if ( width <= 0 )
     {
-        if (x > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
-            XtVaSetValues(widget, XmNx, xx, NULL);
-        if (y > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
-            XtVaSetValues(widget, XmNy, yy, NULL);
+        if ( sizeFlags & wxSIZE_AUTO_WIDTH && !fromCtor )
+        {
+            size = DoGetBestSize();
+            width = size.x;
+        }
+        else
+        {
+            width = oldW;
+        }
     }
-    if (!useOldSize)
+
+    if ( height == -1 )
     {
-        if (width > -1)
-            XtVaSetValues(widget, XmNwidth, width, NULL);
-        if (height > -1)
-            XtVaSetValues(widget, XmNheight, height, NULL);
+        if( sizeFlags & wxSIZE_AUTO_HEIGHT && !fromCtor )
+        {
+            if( size.x == -1 ) size = DoGetBestSize();
+            height = size.y;
+        }
+        else
+        {
+            height = oldH;
+        }
     }
 
-    if (managed)
-        XtManageChild(widget);
+    if ( x != oldX || y != oldY || width != oldW || height != oldH
+         || !wxNoOptimize::CanOptimize() )
+    {
+        if (m_drawingArea)
+        {
+            int flags = 0;
+
+            if (x > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
+                flags |= wxMOVE_X;
 
-    // How about this bit. Maybe we don't need to generate size events
-    // all the time -- they'll be generated when the window is sized anyway.
-#if 0
-    wxSizeEvent sizeEvent(wxSize(width, height), GetId());
-    sizeEvent.SetEventObject(this);
+            if (y > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
+                flags |= wxMOVE_Y;
 
-      GetEventHandler()->ProcessEvent(sizeEvent);
-#endif // 0
+            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;
+        }
+
+        Widget widget = (Widget) GetTopWidget();
+        if (!widget)
+            return;
+
+        bool managed = XtIsManaged( widget );
+        if (managed)
+            XtUnmanageChild(widget);
+
+        int xx = x;
+        int yy = y;
+        AdjustForParentClientOrigin(xx, yy, sizeFlags);
+
+        DoMoveWindow(xx, yy, width, height);
+
+        if (managed)
+            XtManageChild(widget);
+    }
 }
 
 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;
     }
 
@@ -1286,11 +1429,6 @@ 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
@@ -1300,17 +1438,6 @@ wxPoint wxWindow::GetClientAreaOrigin() const
     return wxPoint(0, 0);
 }
 
-// Makes an adjustment to the window position (for example, a frame that has
-// a toolbar that it manages itself).
-void wxWindow::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags)
-{
-    if (((sizeFlags & wxSIZE_NO_ADJUSTMENTS) == 0) && GetParent())
-    {
-        wxPoint pt(GetParent()->GetClientAreaOrigin());
-        x += pt.x; y += pt.y;
-    }
-}
-
 void wxWindow::SetSizeHints(int minW, int minH, int maxW, int maxH, int incW, int incH)
 {
     m_minWidth = minW;
@@ -1341,6 +1468,87 @@ void wxWindow::SetSizeHints(int minW, int minH, int maxW, int maxH, int incW, in
         XtVaSetValues(widget, XmNheightInc, incH, NULL);
 }
 
+void wxWindow::DoMoveWindowIntr(int xx, int yy, int w, int h,
+                                int flags)
+{
+    if (m_drawingArea)
+    {
+        Widget drawingArea = (Widget) m_drawingArea;
+        Widget borderOrScrolled = m_borderWidget ?
+            (Widget) m_borderWidget :
+            (Widget) m_scrolledWindow;
+
+        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);
+            }
+
+            XtVaSetValues ((Widget) m_scrolledWindow, XmNwidth, w, NULL);
+        }
+
+        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);
+            }
+
+            XtVaSetValues ((Widget) m_scrolledWindow, XmNheight, h, NULL);
+        }
+
+        if (managed)
+            XtManageChild (borderOrScrolled);
+        XtVaSetValues(drawingArea, XmNresizePolicy, XmRESIZE_NONE, NULL);
+    }
+    else
+    {
+        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)
+{
+    DoMoveWindowIntr (x, y, width, height,
+                      wxMOVE_X|wxMOVE_Y|wxMOVE_WIDTH|wxMOVE_HEIGHT);
+}
+
 // ---------------------------------------------------------------------------
 // text metrics
 // ---------------------------------------------------------------------------
@@ -1384,12 +1592,12 @@ void wxWindow::GetTextExtent(const wxString& string,
         fontToUse = (wxFont *) & m_font;
 
     wxCHECK_RET( fontToUse->Ok(), "valid window font needed" );
-
-    WXFontStructPtr pFontStruct = theFont->GetFontStruct(1.0, GetXDisplay());
+    
+    WXFontStructPtr pFontStruct = fontToUse->GetFontStruct(1.0, GetXDisplay());
 
     int direction, ascent, descent2;
     XCharStruct overall;
-    int slen;
+    int slen = string.Len();
 
 #if 0
     if (use16)
@@ -1408,6 +1616,7 @@ void wxWindow::GetTextExtent(const wxString& string,
         *descent = descent2;
     if (externalLeading)
         *externalLeading = 0;
+
 }
 
 // ----------------------------------------------------------------------------
@@ -1539,8 +1748,9 @@ 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);
 
@@ -1575,7 +1785,7 @@ void wxWindow::OnSysColourChanged(wxSysColourChangedEvent& event)
     }
 }
 
-void wxWindow::OnIdle(wxIdleEvent& event)
+void wxWindow::OnIdle(wxIdleEvent& WXUNUSED(event))
 {
     // This calls the UI-update mechanism (querying windows for
     // menu/toolbar/control state information)
@@ -1588,6 +1798,7 @@ void wxWindow::OnIdle(wxIdleEvent& event)
 
 bool wxWindow::ProcessAccelerator(wxKeyEvent& event)
 {
+#if wxUSE_ACCEL
     if (!m_acceleratorTable.Ok())
         return FALSE;
 
@@ -1599,8 +1810,8 @@ bool wxWindow::ProcessAccelerator(wxKeyEvent& event)
         wxAcceleratorEntry* entry = & (entries[i]);
         if (entry->MatchesEvent(event))
         {
-            // Bingo, we have a match. Now find a control that matches the entry
-            // command id.
+            // Bingo, we have a match. Now find a control that matches the
+            // entry command id.
 
             // Need to go up to the top of the window hierarchy, since it might
             // be e.g. a menu item
@@ -1614,10 +1825,11 @@ bool wxWindow::ProcessAccelerator(wxKeyEvent& event)
             wxFrame* frame = wxDynamicCast(parent, wxFrame);
             if ( frame )
             {
+#if wxUSE_MENUS
                 // Try for a menu command
                 if (frame->GetMenuBar())
                 {
-                    wxMenuItem* item = frame->GetMenuBar()->FindItemForId(entry->GetCommand());
+                    wxMenuItem* item = frame->GetMenuBar()->FindItem(entry->GetCommand());
                     if (item)
                     {
                         wxCommandEvent commandEvent(wxEVT_COMMAND_MENU_SELECTED, entry->GetCommand());
@@ -1628,6 +1840,7 @@ bool wxWindow::ProcessAccelerator(wxKeyEvent& event)
                         return frame->GetEventHandler()->ProcessEvent(commandEvent);
                     }
                 }
+#endif
             }
 
             // Find a child matching the command id
@@ -1649,6 +1862,7 @@ bool wxWindow::ProcessAccelerator(wxKeyEvent& event)
             return FALSE;
         } // matches event
     }// for
+#endif
 
     // We didn't match the key event against an accelerator.
     return FALSE;
@@ -1674,8 +1888,8 @@ bool wxAddWindowToTable(Widget w, wxWindow *win)
 
     wxWidgetHashTable->Put((long) w, win);
 
-    wxLogDebug("Widget 0x%08x <-> window %p (%s)",
-               w, win, win->GetClassInfo()->GetClassName());
+    wxLogTrace("widget", "Widget 0x%p <-> window %p (%s)",
+               (WXWidget)w, win, win->GetClassInfo()->GetClassName());
 
     return TRUE;
 }
@@ -1687,6 +1901,8 @@ wxWindow *wxGetWindowFromTable(Widget w)
 
 void wxDeleteWindowFromTable(Widget w)
 {
+    wxLogTrace("widget", "Widget 0x%p", (WXWidget)w);
+
     wxWidgetHashTable->Delete((long)w);
 }
 
@@ -1695,7 +1911,7 @@ void wxDeleteWindowFromTable(Widget w)
 // ----------------------------------------------------------------------------
 
 // Add to hash table, add event handler
-bool wxWindow::AttachWidget (wxWindow* parent, WXWidget mainWidget,
+bool wxWindow::AttachWidget (wxWindow* WXUNUSED(parent), WXWidget mainWidget,
                              WXWidget formWidget, int x, int y, int width, int height)
 {
     wxAddWindowToTable((Widget) mainWidget, this);
@@ -1809,7 +2025,7 @@ 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 *event, String args[], int *num_args)
+void wxWidgetResizeProc(Widget w, XConfigureEvent *WXUNUSED(event), String WXUNUSED(args)[], int *WXUNUSED(num_args))
 {
     wxWindow *win = wxGetWindowFromTable(w);
     if (!win)
@@ -1839,22 +2055,14 @@ static void wxCanvasRepaintProc(Widget drawingArea,
     {
     case Expose:
         {
+            win->AddUpdateRect(event->xexpose.x, event->xexpose.y,
+                               event->xexpose.width, event->xexpose.height);
+            
             if (event -> xexpose.count == 0)
             {
-#if 0
-                wxPaintEvent event(win->GetId());
-                event.SetEventObject(win);
-                win->GetEventHandler()->ProcessEvent(event);
-#endif // 0
-
                 win->DoPaint();
                 win->ClearUpdateRects();
             }
-            else
-            {
-                win->AddUpdateRect(event->xexpose.x, event->xexpose.y,
-                                   event->xexpose.width, event->xexpose.height);
-            }
             break;
         }
     }
@@ -1862,7 +2070,7 @@ static void wxCanvasRepaintProc(Widget drawingArea,
 
 // Unable to deal with Enter/Leave without a separate EventHandler (Motif 1.1.4)
 static void wxCanvasEnterLeave(Widget drawingArea,
-                               XtPointer clientData,
+                               XtPointer WXUNUSED(clientData),
                                XCrossingEvent * event)
 {
     XmDrawingAreaCallbackStruct cbs;
@@ -1877,7 +2085,8 @@ static void wxCanvasEnterLeave(Widget drawingArea,
 }
 
 // Fix to make it work under Motif 1.0 (!)
-static void wxCanvasMotionEvent (Widget drawingArea, XButtonEvent * event)
+static void wxCanvasMotionEvent (Widget WXUNUSED(drawingArea),
+                                 XButtonEvent *WXUNUSED(event))
 {
 #if XmVersion <= 1000
     XmDrawingAreaCallbackStruct cbs;
@@ -1892,7 +2101,7 @@ static void wxCanvasMotionEvent (Widget drawingArea, XButtonEvent * event)
 }
 
 static void wxCanvasInputEvent(Widget drawingArea,
-                               XtPointer data,
+                               XtPointer WXUNUSED(data),
                                XmDrawingAreaCallbackStruct * cbs)
 {
     wxWindow *canvas = wxGetWindowFromTable(drawingArea);
@@ -1914,6 +2123,9 @@ 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)
@@ -1925,7 +2137,7 @@ static void wxCanvasInputEvent(Widget drawingArea,
             }
             else if (local_event.xany.type == LeaveNotify)
             {
-                //if (local_event.xcrossing.mode!=NotifyNormal)
+                //if (local_event.xcrossingr.mode!=NotifyNormal)
                 //  return ; // Ignore grab events
                 eventType = wxEVT_LEAVE_WINDOW;
                 //            canvas->GetEventHandler()->OnKillFocus();
@@ -1933,22 +2145,6 @@ static void wxCanvasInputEvent(Widget drawingArea,
             else if (local_event.xany.type == MotionNotify)
             {
                 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
-                {
-                }
             }
 
             else if (local_event.xany.type == ButtonPress)
@@ -2006,6 +2202,26 @@ static void wxCanvasInputEvent(Widget drawingArea,
             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)
             {
@@ -2030,22 +2246,21 @@ static void wxCanvasInputEvent(Widget drawingArea,
                     {
                         // I have a dclick
                         canvas->SetLastClick(0, ts);
-                        switch ( eventType )
+
+                        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 )
                         {
-                        case wxEVT_LEFT_DOWN:
-                            wxevent.SetEventType(wxEVT_LEFT_DCLICK);
-                            break;
-                        case wxEVT_MIDDLE_DOWN:
-                            wxevent.SetEventType(wxEVT_MIDDLE_DCLICK);
-                            break;
-                        case wxEVT_RIGHT_DOWN:
-                            wxevent.SetEventType(wxEVT_RIGHT_DCLICK);
-                            break;
-
-                        default :
-                            break;
+                            wxevent.SetEventType(typeDouble);
                         }
-
                     }
                     else
                     {
@@ -2071,32 +2286,8 @@ static void wxCanvasInputEvent(Widget drawingArea,
       }
     case KeyPress:
         {
-            KeySym keySym;
-#if 0
-            XComposeStatus compose;
-            (void) XLookupString ((XKeyEvent *) & local_event, wxBuffer, 20, &keySym, &compose);
-#endif // 0
-
-            (void) XLookupString ((XKeyEvent *) & local_event, wxBuffer, 20, &keySym, NULL);
-            int id = wxCharCodeXToWX (keySym);
-
-            wxEventType eventType = wxEVT_CHAR;
-
-            wxKeyEvent event (eventType);
-
-            if (local_event.xkey.state & ShiftMask)
-                event.m_shiftDown = TRUE;
-            if (local_event.xkey.state & ControlMask)
-                event.m_controlDown = TRUE;
-            if (local_event.xkey.state & Mod3Mask)
-                event.m_altDown = TRUE;
-            if (local_event.xkey.state & Mod1Mask)
-                event.m_metaDown = TRUE;
-            event.SetEventObject(canvas);
-            event.m_keyCode = id;
-            event.SetTimestamp(local_event.xkey.time);
-
-            if (id > -1)
+            wxKeyEvent event (wxEVT_CHAR);
+            if (wxTranslateKeyEvent (event, canvas, (Widget) 0, &local_event))
             {
                 // Implement wxFrame::OnCharHook by checking ancestor.
                 wxWindow *parent = canvas->GetParent();
@@ -2125,25 +2316,8 @@ static void wxCanvasInputEvent(Widget drawingArea,
         }
     case KeyRelease:
         {
-            KeySym keySym;
-            (void) XLookupString ((XKeyEvent *) & local_event, wxBuffer, 20, &keySym, NULL);
-            int id = wxCharCodeXToWX (keySym);
-
             wxKeyEvent event (wxEVT_KEY_UP);
-
-            if (local_event.xkey.state & ShiftMask)
-                event.m_shiftDown = TRUE;
-            if (local_event.xkey.state & ControlMask)
-                event.m_controlDown = TRUE;
-            if (local_event.xkey.state & Mod3Mask)
-                event.m_altDown = TRUE;
-            if (local_event.xkey.state & Mod1Mask)
-                event.m_metaDown = TRUE;
-            event.SetEventObject(canvas);
-            event.m_keyCode = id;
-            event.SetTimestamp(local_event.xkey.time);
-
-            if (id > -1)
+            if (wxTranslateKeyEvent (event, canvas, (Widget) 0, &local_event))
             {
                 canvas->GetEventHandler()->ProcessEvent (event);
             }
@@ -2175,7 +2349,7 @@ static void wxCanvasInputEvent(Widget drawingArea,
 }
 
 static void wxPanelItemEventHandler(Widget    wid,
-                                    XtPointer client_data,
+                                    XtPointer WXUNUSED(client_data),
                                     XEvent*   event,
                                     Boolean  *continueToDispatch)
 {
@@ -2203,7 +2377,7 @@ static void wxPanelItemEventHandler(Widget    wid,
 
 static void wxScrollBarCallback(Widget scrollbar,
                                 XtPointer clientData,
-                                XmScaleCallbackStruct *cbs)
+                                XmScrollBarCallbackStruct *cbs)
 {
     wxWindow *win = wxGetWindowFromTable(scrollbar);
     int orientation = (int) clientData;
@@ -2213,44 +2387,42 @@ static void wxScrollBarCallback(Widget scrollbar,
     {
     case XmCR_INCREMENT:
         {
-            eventType = wxEVT_SCROLL_LINEDOWN;
+            eventType = wxEVT_SCROLLWIN_LINEDOWN;
             break;
         }
     case XmCR_DECREMENT:
         {
-            eventType = wxEVT_SCROLL_LINEUP;
+            eventType = wxEVT_SCROLLWIN_LINEUP;
             break;
         }
     case XmCR_DRAG:
         {
-            eventType = wxEVT_SCROLL_THUMBTRACK;
+            eventType = wxEVT_SCROLLWIN_THUMBTRACK;
             break;
         }
     case XmCR_VALUE_CHANGED:
         {
-            // TODO: Should this be intercepted too, or will it cause
-            // duplicate events?
-            eventType = wxEVT_SCROLL_THUMBTRACK;
+            eventType = wxEVT_SCROLLWIN_THUMBRELEASE;
             break;
         }
     case XmCR_PAGE_INCREMENT:
         {
-            eventType = wxEVT_SCROLL_PAGEDOWN;
+            eventType = wxEVT_SCROLLWIN_PAGEDOWN;
             break;
         }
     case XmCR_PAGE_DECREMENT:
         {
-            eventType = wxEVT_SCROLL_PAGEUP;
+            eventType = wxEVT_SCROLLWIN_PAGEUP;
             break;
         }
     case XmCR_TO_TOP:
         {
-            eventType = wxEVT_SCROLL_TOP;
+            eventType = wxEVT_SCROLLWIN_TOP;
             break;
         }
     case XmCR_TO_BOTTOM:
         {
-            eventType = wxEVT_SCROLL_BOTTOM;
+            eventType = wxEVT_SCROLLWIN_BOTTOM;
             break;
         }
     default:
@@ -2261,11 +2433,11 @@ static void wxScrollBarCallback(Widget scrollbar,
         }
     }
 
-    wxScrollEvent event(eventType, win->GetId());
-    event.SetEventObject(win);
-    event.SetPosition(cbs->value);
-    event.SetOrientation( (orientation == XmHORIZONTAL) ? wxHORIZONTAL : wxVERTICAL );
-
+    wxScrollWinEvent event(eventType,
+                           cbs->value,
+                           ((orientation == XmHORIZONTAL) ?
+                            wxHORIZONTAL : wxVERTICAL));
+    event.SetEventObject( win );
     win->GetEventHandler()->ProcessEvent(event);
 }
 
@@ -2303,229 +2475,6 @@ void wxUniversalRepaintProc(Widget w, XtPointer WXUNUSED(c_data), XEvent *event,
     }
 }
 
-// ----------------------------------------------------------------------------
-// CanvaseXXXSize() functions
-// ----------------------------------------------------------------------------
-
-// SetSize, but as per old wxCanvas (with drawing widget etc.)
-void wxWindow::CanvasSetSize (int x, int y, int w, int h, int sizeFlags)
-{
-    // A bit of optimization to help sort out the flickers.
-    int oldX, oldY, oldW, oldH;
-    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
 // ----------------------------------------------------------------------------
@@ -2534,14 +2483,16 @@ bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win, Widget widget,
 {
     switch (xevent->xany.type)
     {
-    case EnterNotify:
-    case LeaveNotify:
-    case ButtonPress:
-    case ButtonRelease:
-    case MotionNotify:
+        case EnterNotify:  // never received here - yes ? MB
+        case LeaveNotify:  // never received here - yes ? MB
+        case ButtonPress:
+        case ButtonRelease:
+        case MotionNotify:
         {
             wxEventType eventType = wxEVT_NULL;
 
+            // FIXME: this is never true I think - MB
+            //
             if (xevent->xany.type == LeaveNotify)
             {
                 win->SetButton1(FALSE);
@@ -2555,20 +2506,49 @@ bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win, Widget widget,
             }
             else if (xevent->xany.type == ButtonPress)
             {
+                wxevent.SetTimestamp(xevent->xbutton.time);
+                int button = 0;
                 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 ts = wxevent.GetTimestamp();
+
+                int buttonLast = win->GetLastClickedButton();
+                long lastTS = win->GetLastClickTime();
+                if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
+                {
+                    // I have a dclick
+                    win->SetLastClick(0, ts);
+                    if ( eventType == wxEVT_LEFT_DOWN )
+                        eventType = wxEVT_LEFT_DCLICK;
+                    else if ( eventType == wxEVT_MIDDLE_DOWN )
+                        eventType = wxEVT_MIDDLE_DCLICK;
+                    else if ( eventType == wxEVT_RIGHT_DOWN )
+                        eventType = wxEVT_RIGHT_DCLICK;
+                }
+                else
+                {
+                    // not fast enough or different button
+                    win->SetLastClick(button, ts);
                 }
             }
             else if (xevent->xany.type == ButtonRelease)
@@ -2629,13 +2609,20 @@ bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win, Widget widget,
 
             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.SetId(win->GetId());
+            wxevent.SetEventObject(win);
+
             return TRUE;
         }
     }
     return FALSE;
 }
 
-bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win, Widget widget, XEvent *xevent)
+bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win,
+                         Widget WXUNUSED(widget), XEvent *xevent)
 {
     switch (xevent->xany.type)
     {
@@ -2645,12 +2632,12 @@ bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win, Widget widget, XEve
             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
+            if (id >= 'a' && id <= 'z')
+                id = toupper(id);
 
             if (xevent->xkey.state & ShiftMask)
                 wxevent.m_shiftDown = TRUE;
@@ -2739,8 +2726,7 @@ 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
@@ -2751,23 +2737,6 @@ 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::GetSystemColour(wxSYS_COLOUR_3DFACE);
-
-        if (m_hScrollBar)
-            DoChangeBackgroundColour(m_hScrollBar, backgroundColour);
-        if (m_vScrollBar)
-            DoChangeBackgroundColour(m_vScrollBar, backgroundColour);
-    }
-#endif
 }
 
 void wxWindow::ChangeForegroundColour()
@@ -2780,41 +2749,17 @@ void wxWindow::ChangeForegroundColour()
 }
 
 // Change a widget's foreground and background colours.
-void wxWindow::DoChangeForegroundColour(WXWidget widget, wxColour& foregroundColour)
+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
-                 );
+    wxDoChangeForegroundColour( widget, foregroundColour );
 }
 
-void wxWindow::DoChangeBackgroundColour(WXWidget widget, wxColour& backgroundColour, bool changeArmColour)
+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);
+    wxDoChangeBackgroundColour( widget, backgroundColour, changeArmColour );
 }
 
 bool wxWindow::SetBackgroundColour(const wxColour& col)
@@ -2848,12 +2793,7 @@ void wxWindow::ChangeFont(bool keepOriginalSize)
         int width, height, width1, height1;
         GetSize(& width, & height);
 
-        // lesstif 0.87 hangs here
-#ifndef LESSTIF_VERSION
-        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))
@@ -2870,11 +2810,45 @@ void wxWindow::ChangeFont(bool keepOriginalSize)
 wxWindow *wxGetActiveWindow()
 {
     // TODO
+    wxFAIL_MSG("Not implemented");
     return NULL;
 }
 
+/* static */
+wxWindow *wxWindowBase::GetCapture()
+{
+    return (wxWindow *)g_captureWindow;
+}
+
+
+// Find the wxWindow at the current mouse position, returning the mouse
+// position.
+wxWindow* wxFindWindowAtPointer(wxPoint& pt)
+{
+    return wxFindWindowAtPoint(wxGetMousePosition());
+}
+
+// Get the current mouse position.
+wxPoint wxGetMousePosition()
+{
+    Display *display = (Display*) wxGetDisplay();
+    Window rootWindow = RootWindowOfScreen (DefaultScreenOfDisplay(display));
+    Window rootReturn, childReturn;
+    int rootX, rootY, winX, winY;
+    unsigned int maskReturn;
+
+    XQueryPointer (display,
+                   rootWindow,
+                   &rootReturn,
+                   &childReturn,
+                   &rootX, &rootY, &winX, &winY, &maskReturn);
+    return wxPoint(rootX, rootY);
+}
+
+
 // ----------------------------------------------------------------------------
 // wxNoOptimize: switch off size optimization
 // ----------------------------------------------------------------------------
 
 int wxNoOptimize::ms_count = 0;
+