]> git.saurik.com Git - wxWidgets.git/blobdiff - src/motif/window.cpp
fix for opening files with VC++ 8 (closes bug 994337)
[wxWidgets.git] / src / motif / window.cpp
index c7f7e4e919a0eda69dcaf020828489f488975365..207afc3ed056f31ce74a1d30f2b327fb8730f23e 100644 (file)
 // headers
 // ----------------------------------------------------------------------------
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
     #pragma implementation "window.h"
 #endif
 
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
 #ifdef __VMS
 #define XtDisplay XTDISPLAY
 #define XtWindow XTWINDOW
@@ -145,7 +148,6 @@ static int str16len(const char *s)
 
     BEGIN_EVENT_TABLE(wxWindow, wxWindowBase)
         EVT_SYS_COLOUR_CHANGED(wxWindow::OnSysColourChanged)
-        EVT_IDLE(wxWindow::OnIdle)
     END_EVENT_TABLE()
 
 // ============================================================================
@@ -172,26 +174,26 @@ bool wxWindow::MapOrUnmap(WXWidget widget, bool domap)
     if ( !w )
         return FALSE;
 
+    //   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 );
+
     // 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);
+        // XtMapWidget(w);
     }
     else
     {
-        XtUnmapWidget(w);
         XtUnmanageChild(w);
+        // 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;
 }
 
@@ -201,9 +203,6 @@ bool wxWindow::MapOrUnmap(WXWidget widget, bool domap)
 
 void wxWindow::Init()
 {
-    // generic initializations first
-    InitBase();
-
     // Motif-specific
     m_needsRefresh = TRUE;
     m_mainWidget = (WXWidget) 0;
@@ -211,7 +210,6 @@ void wxWindow::Init()
     m_winCaptured = FALSE;
 
     m_isShown = TRUE;
-    m_isBeingDeleted = FALSE;
     
     m_hScrollBar =
     m_vScrollBar =
@@ -277,36 +275,7 @@ bool wxWindow::Create(wxWindow *parent, wxWindowID id,
     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
                                  (
@@ -360,12 +329,6 @@ 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 |
@@ -386,13 +349,6 @@ bool wxWindow::Create(wxWindow *parent, wxWindowID id,
                              (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);
@@ -417,11 +373,6 @@ 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 )
@@ -498,120 +449,107 @@ 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 = (WXWidget) hScrollBar;
+        m_hScrollBar = DoCreateScrollBar( m_scrolledWindow, wxHORIZONTAL,
+                                          (void (*)())wxScrollBarCallback );
 
-        wxColour backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
         wxDoChangeBackgroundColour(m_hScrollBar, backgroundColour, TRUE);
 
-        XtRealizeWidget(hScrollBar);
+        XtRealizeWidget( (Widget)m_hScrollBar );
 
         XtVaSetValues((Widget) m_scrolledWindow,
             XmNhorizontalScrollBar, (Widget) m_hScrollBar,
             NULL);
 
-        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);
         wxDoChangeBackgroundColour(m_vScrollBar, backgroundColour, TRUE);
 
-        XtRealizeWidget(vScrollBar);
+        XtRealizeWidget((Widget)m_vScrollBar);
 
         XtVaSetValues((Widget) m_scrolledWindow,
             XmNverticalScrollBar, (Widget) m_vScrollBar,
             NULL);
 
-        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;
+    XtVaSetValues((Widget) m_scrolledWindow,
+                  XmNresizePolicy, XmRESIZE_NONE,
+                  NULL);
+    String stringSB = orientation == wxHORIZONTAL ?
+        XmNhorizontalScrollBar : XmNverticalScrollBar;
+    WXWidget* widgetSB = orientation == wxHORIZONTAL ?
+        &m_hScrollBar : &m_vScrollBar;
 
-        XtVaSetValues((Widget) m_scrolledWindow,
-            XmNhorizontalScrollBar, (Widget) 0,
-            NULL);
-
-    }
-
-    if (orientation == wxVERTICAL)
+    if( *widgetSB )
     {
-        if (m_vScrollBar)
-        {
-            wxDeleteWindowFromTable((Widget)m_vScrollBar);
-            XtDestroyWidget((Widget) m_vScrollBar);
-        }
-        m_vScrollBar = (WXWidget) 0;
+        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);
 }
 
 // ---------------------------------------------------------------------------
@@ -635,7 +573,7 @@ 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() )
     {
@@ -676,8 +614,8 @@ bool wxWindow::Show(bool show)
 
     if (m_borderWidget || m_scrolledWindow)
     {
-        MapOrUnmap(m_drawingArea, show);
         MapOrUnmap(m_borderWidget ? m_borderWidget : m_scrolledWindow, show);
+        // MapOrUnmap(m_drawingArea, show);
     }
     else
     {
@@ -819,7 +757,9 @@ 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) 
@@ -830,10 +770,11 @@ 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;
 }
 
@@ -962,7 +903,7 @@ 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();
+    wxWindowList::compatibility_iterator cnode = m_children.GetFirst();
     while (cnode)
     {
         wxWindow *child = cnode->GetData();
@@ -1058,7 +999,7 @@ 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();
@@ -1134,6 +1075,12 @@ void wxWindow::DoSetToolTip(wxToolTip * WXUNUSED(tooltip))
 
 bool wxWindow::DoPopupMenu(wxMenu *menu, int x, int y)
 {
+    if ( x == -1 && y == -1 )
+    {
+        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
@@ -1469,6 +1416,7 @@ void wxWindow::DoMoveWindowIntr(int xx, int yy, int w, int h,
                 w -= 2 * (thick + margin);
             }
 
+            if( w < 1 ) w = 1;
             XtVaSetValues ((Widget) m_scrolledWindow, XmNwidth, w, NULL);
         }
 
@@ -1485,6 +1433,7 @@ void wxWindow::DoMoveWindowIntr(int xx, int yy, int w, int h,
                 h -= 2 * (thick + margin);
             }
 
+            if( h < 1 ) h = 1;
             XtVaSetValues ((Widget) m_scrolledWindow, XmNheight, h, NULL);
         }
 
@@ -1586,6 +1535,11 @@ void wxWindow::GetTextExtent(const wxString& string,
 // 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;
@@ -1630,27 +1584,6 @@ 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
@@ -1669,7 +1602,7 @@ 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 )
       {
@@ -1732,7 +1665,7 @@ 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
@@ -1748,11 +1681,12 @@ 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);
 }
 
 // ----------------------------------------------------------------------------
@@ -1836,7 +1770,7 @@ 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)
@@ -1932,6 +1866,15 @@ bool wxWindow::DetachWidget(WXWidget widget)
 // 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
 {
@@ -2017,11 +1960,10 @@ 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;
         }
@@ -2065,7 +2007,7 @@ static void wxCanvasInputEvent(Widget drawingArea,
                                XmDrawingAreaCallbackStruct * cbs)
 {
     wxWindow *canvas = wxGetWindowFromTable(drawingArea);
-    XEvent local_event;
+    XEvent* xevent = cbs->event;
 
     if (canvas==NULL)
         return;
@@ -2073,27 +2015,25 @@ 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:
     case ButtonPress:
     case ButtonRelease:
     case MotionNotify:
-    {
-        wxMouseEvent wxevent;
-        if(wxTranslateMouseEvent(wxevent, canvas, drawingArea, &local_event))
         {
-            canvas->GetEventHandler()->ProcessEvent(wxevent);
+            wxMouseEvent wxevent(0);
+            if (wxTranslateMouseEvent(wxevent, canvas, drawingArea, xevent))
+            {
+                canvas->GetEventHandler()->ProcessEvent(wxevent);
+            }
+            break;
         }
-        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;
@@ -2123,7 +2063,7 @@ static void wxCanvasInputEvent(Widget drawingArea,
     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);
             }
@@ -2131,7 +2071,7 @@ 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);
@@ -2141,7 +2081,7 @@ 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);
@@ -2186,7 +2126,7 @@ static void wxScrollBarCallback(Widget scrollbar,
                                 XmScrollBarCallbackStruct *cbs)
 {
     wxWindow *win = wxGetWindowFromTable(scrollbar);
-    int orientation = (int) clientData;
+    wxOrientation orientation = (wxOrientation)(int)clientData;
 
     wxEventType eventType = wxEVT_NULL;
     switch (cbs->reason)
@@ -2241,8 +2181,7 @@ static void wxScrollBarCallback(Widget scrollbar,
 
     wxScrollWinEvent event(eventType,
                            cbs->value,
-                           ((orientation == XmHORIZONTAL) ?
-                            wxHORIZONTAL : wxVERTICAL));
+                           orientation);
     event.SetEventObject( win );
     win->GetEventHandler()->ProcessEvent(event);
 }
@@ -2264,16 +2203,12 @@ void wxUniversalRepaintProc(Widget w, XtPointer WXUNUSED(c_data), XEvent *event,
             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)
             {
                 win->DoPaint();
-
-                win->ClearUpdateRects();
-            }
-            else
-            {
-                win->AddUpdateRect(event->xexpose.x, event->xexpose.y,
-                                   event->xexpose.width, event->xexpose.height);
             }
 
             break;
@@ -2286,7 +2221,7 @@ void wxUniversalRepaintProc(Widget w, XtPointer WXUNUSED(c_data), XEvent *event,
 // ----------------------------------------------------------------------------
 
 bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win,
-                           Widget widget, XEvent *xevent)
+                           Widget widget, const XEvent *xevent)
 {
     switch (xevent->xany.type)
     {
@@ -2301,6 +2236,8 @@ bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win,
         case ButtonRelease:
         case MotionNotify:
         {
+            int eventx = xevent->xbutton.x, eventy = xevent->xbutton.y;
+
             wxEventType eventType = wxEVT_NULL;
 
             if (xevent->xany.type == LeaveNotify)
@@ -2314,6 +2251,18 @@ bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win,
             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)
             {
@@ -2390,7 +2339,7 @@ bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win,
             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;
@@ -2401,8 +2350,8 @@ bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win,
                 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)
@@ -2429,7 +2378,7 @@ bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win,
 }
 
 bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win,
-                         Widget WXUNUSED(widget), XEvent *xevent)
+                         Widget WXUNUSED(widget), const XEvent *xevent)
 {
     switch (xevent->xany.type)
     {