]> git.saurik.com Git - wxWidgets.git/blobdiff - src/motif/window.cpp
This form of the event cloning patch survived my
[wxWidgets.git] / src / motif / window.cpp
index 87a3090c26fdddafba7d0f154cc63d6515f22d1a..b2f4037d0ee0468160dabd288c1e339242a7ce7e 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/menuitem.h"
 #include "wx/log.h"
 
-#include "wx/listimpl.cpp"
-
 #if  wxUSE_DRAG_AND_DROP
     #include "wx/dnd.h"
 #endif
 
+#ifdef __VMS__
+#pragma message disable nosimpint
+#endif
 #include <Xm/Xm.h>
 
 #include <Xm/DrawingA.h>
@@ -54,6 +61,9 @@
 #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 +80,8 @@ static const int SCROLL_MARGIN = 4;
 // ----------------------------------------------------------------------------
 
 extern wxHashTable *wxWidgetHashTable;
+static wxWindow* g_captureWindow = NULL;
+
 
 // ----------------------------------------------------------------------------
 // private functions
@@ -80,7 +92,7 @@ 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 +128,17 @@ 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
 // ----------------------------------------------------------------------------
@@ -183,7 +187,8 @@ void wxWindow::Init()
     m_winCaptured = FALSE;
 
     m_isShown = TRUE;
-
+    m_isBeingDeleted = FALSE;
+    
     m_hScrollBar =
     m_vScrollBar =
     m_borderWidget =
@@ -217,7 +222,7 @@ bool wxWindow::Create(wxWindow *parent, wxWindowID id,
 {
     wxCHECK_MSG( parent, FALSE, "can't create wxWindow without parent" );
 
-    CreateBase(parent, id, pos, size, style, name);
+    CreateBase(parent, id, pos, size, style, wxDefaultValidator, name);
 
     parent->AddChild(this);
 
@@ -252,13 +257,33 @@ 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
+                                   (
+                                    "canvasBorder",
+                                    xmFrameWidgetClass, parentWidget,
+                                    XmNshadowType, XmSHADOW_IN,
+                                    NULL
+                                   );
+    } else if (style & wxRAISED_BORDER)
+    {
+        m_borderWidget = (WXWidget)XtVaCreateManagedWidget
+                                   (
+                                    "canvasBorder",
+                                    xmFrameWidgetClass, parentWidget,
+                                    XmNshadowType, XmSHADOW_OUT,
                                     NULL
                                    );
     }
@@ -360,6 +385,11 @@ bool wxWindow::Create(wxWindow *parent, wxWindowID id,
 // Destructor
 wxWindow::~wxWindow()
 {
+    if (g_captureWindow == this)
+       g_captureWindow = NULL;
+    
+    m_isBeingDeleted = TRUE;
+    
     // Motif-specific actions first
     WXWidget wMain = GetMainWidget();
     if ( wMain )
@@ -389,18 +419,31 @@ 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)
@@ -409,6 +452,9 @@ wxWindow::~wxWindow()
             m_borderWidget = (WXWidget) 0;
         }
     }
+    else // Why wasn't this here before? JACS 8/3/2000
+        DestroyChildren();
+
 
     // Destroy the window
     if (GetMainWidget())
@@ -418,6 +464,12 @@ 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);
     }
@@ -441,7 +493,7 @@ 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);
@@ -467,6 +519,8 @@ void wxWindow::CreateScrollbar(wxOrientation orientation)
             NULL);
 
         m_hScroll = TRUE;
+
+        wxAddWindowToTable( hScrollBar, this );
     }
 
     if (orientation == wxVERTICAL)
@@ -475,7 +529,7 @@ 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);
@@ -500,6 +554,8 @@ void wxWindow::CreateScrollbar(wxOrientation orientation)
             NULL);
 
         m_vScroll = TRUE;
+
+        wxAddWindowToTable( vScrollBar, this );
     }
 
     XtVaSetValues((Widget) m_scrolledWindow, XmNresizePolicy, XmRESIZE_ANY, NULL);
@@ -515,6 +571,7 @@ void wxWindow::DestroyScrollbar(wxOrientation orientation)
     {
         if (m_hScrollBar)
         {
+            wxDeleteWindowFromTable((Widget)m_hScrollBar);
             XtDestroyWidget((Widget) m_hScrollBar);
         }
         m_hScrollBar = (WXWidget) 0;
@@ -530,10 +587,11 @@ 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,
@@ -657,6 +715,7 @@ wxString wxWindow::GetTitle() const
 
 void wxWindow::CaptureMouse()
 {
+    g_captureWindow = this;
     if ( m_winCaptured )
         return;
 
@@ -669,6 +728,7 @@ void wxWindow::CaptureMouse()
 
 void wxWindow::ReleaseMouse()
 {
+    g_captureWindow = NULL;
     if ( !m_winCaptured )
         return;
 
@@ -700,11 +760,16 @@ 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);
@@ -870,6 +935,18 @@ void wxWindow::ScrollWindow(int dx, int dy, const wxRect *rect)
         GetClientSize(& w, & h);
     }
 
+    wxNode *cnode = m_children.First();
+    while (cnode)
+    {
+        wxWindow *child = (wxWindow*) cnode->Data();
+       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->Next();
+    }
+
     int x1 = (dx >= 0) ? x : x - dx;
     int y1 = (dy >= 0) ? y : y - dy;
     int w1 = w - abs(dx);
@@ -1135,7 +1212,7 @@ void wxWindow::DoGetSize(int *x, int *y) const
     Widget widget = (Widget) GetTopWidget();
     Dimension xx, yy;
     XtVaGetValues(widget, XmNwidth, &xx, XmNheight, &yy, NULL);
-    *x = xx; *y = yy;
+    if(x) *x = xx; if(y) *y = yy;
 }
 
 void wxWindow::DoGetPosition(int *x, int *y) const
@@ -1158,7 +1235,7 @@ 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
@@ -1194,7 +1271,7 @@ 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)
@@ -1204,69 +1281,61 @@ void wxWindow::DoSetSize(int x, int y, int width, int height, int sizeFlags)
     GetSize(& oldW, & oldH);
     GetPosition(& oldX, & oldY);
 
-    bool useOldPos = FALSE;
-    bool useOldSize = FALSE;
+    if ( !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
+    {
+        if ( x == -1 )
+            x = oldX;
+        if ( y == -1 )
+            y = oldY;
+    }
 
-    if ((x == -1) && (x == -1) && ((sizeFlags & wxSIZE_ALLOW_MINUS_ONE) == 0))
-        useOldPos = TRUE;
-    else if (x == oldX && y == oldY)
-        useOldPos = TRUE;
+    if ( width == -1 )
+        width = oldW;
+    if ( height == -1 )
+        height = oldH;
 
-    if ((width == -1) && (height == -1))
-        useOldSize = TRUE;
-    else if (width == oldW && height == oldH)
-        useOldSize = TRUE;
+    bool nothingChanged = (x == oldX) && (y == oldY) &&
+                          (width == oldW) && (height == oldH);
 
     if (!wxNoOptimize::CanOptimize())
     {
-        useOldSize = FALSE; useOldPos = FALSE;
+        nothingChanged = FALSE;
     }
 
-    if (useOldPos && useOldSize)
-        return;
-
-    if (m_drawingArea)
+    if ( !nothingChanged )
     {
-        CanvasSetSize(x, y, width, height, sizeFlags);
-        return;
-    }
-    Widget widget = (Widget) GetTopWidget();
-    if (!widget)
-        return;
+        if (m_drawingArea)
+        {
+            CanvasSetSize(x, y, width, height, sizeFlags);
+            return;
+        }
 
-    bool managed = XtIsManaged( widget );
-    if (managed)
-        XtUnmanageChild(widget);
+        Widget widget = (Widget) GetTopWidget();
+        if (!widget)
+            return;
 
-    int xx = x; int yy = y;
-    AdjustForParentClientOrigin(xx, yy, sizeFlags);
+        bool managed = XtIsManaged( widget );
+        if (managed)
+            XtUnmanageChild(widget);
 
-    if (!useOldPos)
-    {
-        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 (!useOldSize)
-    {
-        if (width > -1)
-            XtVaSetValues(widget, XmNwidth, width, NULL);
-        if (height > -1)
-            XtVaSetValues(widget, XmNheight, height, NULL);
-    }
+        int xx = x;
+        int yy = y;
+        AdjustForParentClientOrigin(xx, yy, sizeFlags);
 
-    if (managed)
-        XtManageChild(widget);
+        DoMoveWindow(xx, yy, width, height);
+
+        if (managed)
+            XtManageChild(widget);
 
-    // 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.
+        // 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);
+        wxSizeEvent sizeEvent(wxSize(width, height), GetId());
+        sizeEvent.SetEventObject(this);
 
-      GetEventHandler()->ProcessEvent(sizeEvent);
+        GetEventHandler()->ProcessEvent(sizeEvent);
 #endif // 0
+    }
 }
 
 void wxWindow::DoSetClientSize(int width, int height)
@@ -1338,6 +1407,16 @@ void wxWindow::SetSizeHints(int minW, int minH, int maxW, int maxH, int incW, in
         XtVaSetValues(widget, XmNheightInc, incH, NULL);
 }
 
+void wxWindow::DoMoveWindow(int x, int y, int width, int height)
+{
+    XtVaSetValues((Widget)GetTopWidget(),
+                  XmNx, x,
+                  XmNy, y,
+                  XmNwidth, width,
+                  XmNheight, height,
+                  NULL);
+}
+
 // ---------------------------------------------------------------------------
 // text metrics
 // ---------------------------------------------------------------------------
@@ -1381,12 +1460,12 @@ 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());
 
     int direction, ascent, descent2;
     XCharStruct overall;
-    int slen;
+    int slen = string.Len();
 
 #if 0
     if (use16)
@@ -1405,6 +1484,7 @@ void wxWindow::GetTextExtent(const wxString& string,
         *descent = descent2;
     if (externalLeading)
         *externalLeading = 0;
+
 }
 
 // ----------------------------------------------------------------------------
@@ -1572,7 +1652,7 @@ 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)
@@ -1596,8 +1676,8 @@ 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
@@ -1614,7 +1694,7 @@ bool wxWindow::ProcessAccelerator(wxKeyEvent& event)
                 // 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());
@@ -1671,6 +1751,9 @@ bool wxAddWindowToTable(Widget w, wxWindow *win)
 
     wxWidgetHashTable->Put((long) w, win);
 
+    wxLogTrace("widget", "Widget 0x%08x <-> window %p (%s)",
+               w, win, win->GetClassInfo()->GetClassName());
+
     return TRUE;
 }
 
@@ -1689,7 +1772,7 @@ 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);
@@ -1803,7 +1886,7 @@ 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)
@@ -1833,22 +1916,14 @@ 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;
         }
     }
@@ -1856,7 +1931,7 @@ 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;
@@ -1871,7 +1946,7 @@ 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;
@@ -1886,7 +1961,7 @@ static void wxCanvasMotionEvent (Widget drawingArea, XButtonEvent * event)
 }
 
 static void wxCanvasInputEvent(Widget drawingArea,
-                               XtPointer data,
+                               XtPointer WXUNUSED(data),
                                XmDrawingAreaCallbackStruct * cbs)
 {
     wxWindow *canvas = wxGetWindowFromTable(drawingArea);
@@ -1908,6 +1983,9 @@ 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)
@@ -1919,7 +1997,7 @@ 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();
@@ -1927,22 +2005,6 @@ 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)
@@ -2000,6 +2062,26 @@ 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)
             {
@@ -2024,22 +2106,21 @@ 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
                     {
@@ -2169,7 +2250,7 @@ static void wxCanvasInputEvent(Widget drawingArea,
 }
 
 static void wxPanelItemEventHandler(Widget    wid,
-                                    XtPointer client_data,
+                                    XtPointer WXUNUSED(client_data),
                                     XEvent*   event,
                                     Boolean  *continueToDispatch)
 {
@@ -2197,7 +2278,7 @@ static void wxPanelItemEventHandler(Widget    wid,
 
 static void wxScrollBarCallback(Widget scrollbar,
                                 XtPointer clientData,
-                                XmScaleCallbackStruct *cbs)
+                                XmScrollBarCallbackStruct *cbs)
 {
     wxWindow *win = wxGetWindowFromTable(scrollbar);
     int orientation = (int) clientData;
@@ -2207,44 +2288,42 @@ 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:
@@ -2255,11 +2334,11 @@ 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);
 }
 
@@ -2528,14 +2607,16 @@ 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);
@@ -2549,20 +2630,49 @@ 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)
@@ -2623,17 +2733,24 @@ 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)
     {
     case KeyPress:
+    case KeyRelease:
         {
             char buf[20];
 
@@ -2863,11 +2980,45 @@ 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;
+