Small code cleanup

[wxWidgets.git] / src / mac / carbon / toplevel.cpp

diff --git a/src/mac/carbon/toplevel.cpp b/src/mac/carbon/toplevel.cpp
index 8d279e9599678a1f460b261158a37846c6a3457e..dec65979568fc26c3b53f84b6c4646c520f6caf7 100644 (file)
--- a/src/mac/carbon/toplevel.cpp
+++ b/src/mac/carbon/toplevel.cpp
@@ -57,6 +57,9 @@
 // constants
 // ----------------------------------------------------------------------------
 
 // constants
 // ----------------------------------------------------------------------------
 

+// unified title and toolbar constant - not in Tiger headers, so we duplicate it here
+#define kWindowUnifiedTitleAndToolbarAttribute (1 << 7)
+

 // trace mask for activation tracing messages
 static const wxChar *TRACE_ACTIVATE = _T("activation");
 
 // trace mask for activation tracing messages
 static const wxChar *TRACE_ACTIVATE = _T("activation");
 


@@ -99,6 +102,7 @@ static const EventTypeSpec eventList[] =
     { kEventClassWindow , kEventWindowBoundsChanging } ,
     { kEventClassWindow , kEventWindowBoundsChanged } ,
     { kEventClassWindow , kEventWindowClose } ,
     { kEventClassWindow , kEventWindowBoundsChanging } ,
     { kEventClassWindow , kEventWindowBoundsChanged } ,
     { kEventClassWindow , kEventWindowClose } ,

+    { kEventClassWindow , kEventWindowGetRegion } ,

 
     // we have to catch these events on the toplevel window level,
     // as controls don't get the raw mouse events anymore
 
     // we have to catch these events on the toplevel window level,
     // as controls don't get the raw mouse events anymore


@@ -130,7 +134,7 @@ static pascal OSStatus KeyboardEventHandler( EventHandlerCallRef handler , Event
     UInt32 when = EventTimeToTicks( GetEventTime( event ) ) ;
 
 #if wxUSE_UNICODE
     UInt32 when = EventTimeToTicks( GetEventTime( event ) ) ;
 
 #if wxUSE_UNICODE

-    UInt32 dataSize = 0 ;
+    ByteCount dataSize = 0 ;

     if ( GetEventParameter( event, kEventParamKeyUnicodes, typeUnicodeText, NULL, 0 , &dataSize, NULL ) == noErr )
     {
         UniChar buf[2] ;
     if ( GetEventParameter( event, kEventParamKeyUnicodes, typeUnicodeText, NULL, 0 , &dataSize, NULL ) == noErr )
     {
         UniChar buf[2] ;


@@ -248,9 +252,10 @@ static pascal OSStatus KeyboardEventHandler( EventHandlerCallRef handler , Event
 
 wxWindow* g_MacLastWindow = NULL ;
 
 
 wxWindow* g_MacLastWindow = NULL ;
 

-static EventMouseButton lastButton = 0 ;
+EventMouseButton g_lastButton = 0 ;
+bool g_lastButtonWasFakeRight = false ;

 
 

-static void SetupMouseEvent( wxMouseEvent &wxevent , wxMacCarbonEvent &cEvent )
+void SetupMouseEvent( wxMouseEvent &wxevent , wxMacCarbonEvent &cEvent )

 {
     UInt32 modifiers = cEvent.GetParameter<UInt32>(kEventParamKeyModifiers, typeUInt32) ;
     Point screenMouseLocation = cEvent.GetParameter<Point>(kEventParamMouseLocation) ;
 {
     UInt32 modifiers = cEvent.GetParameter<UInt32>(kEventParamKeyModifiers, typeUInt32) ;
     Point screenMouseLocation = cEvent.GetParameter<Point>(kEventParamMouseLocation) ;


@@ -269,24 +274,33 @@ static void SetupMouseEvent( wxMouseEvent &wxevent , wxMacCarbonEvent &cEvent )
     wxevent.m_metaDown = modifiers & cmdKey;
     wxevent.SetTimestamp( cEvent.GetTicks() ) ;
 
     wxevent.m_metaDown = modifiers & cmdKey;
     wxevent.SetTimestamp( cEvent.GetTicks() ) ;
 

-   // a control click is interpreted as a right click
+    // a control click is interpreted as a right click
+    bool thisButtonIsFakeRight = false ;

     if ( button == kEventMouseButtonPrimary && (modifiers & controlKey) )
     if ( button == kEventMouseButtonPrimary && (modifiers & controlKey) )

+    {

         button = kEventMouseButtonSecondary ;
         button = kEventMouseButtonSecondary ;

-
+        thisButtonIsFakeRight = true ;
+    }

     // otherwise we report double clicks by connecting a left click with a ctrl-left click
     // otherwise we report double clicks by connecting a left click with a ctrl-left click

-    if ( clickCount > 1 && button != lastButton )
+    if ( clickCount > 1 && button != g_lastButton )

         clickCount = 1 ;
 
     // we must make sure that our synthetic 'right' button corresponds in
     // mouse down, moved and mouse up, and does not deliver a right down and left up
 
     if ( cEvent.GetKind() == kEventMouseDown )
         clickCount = 1 ;
 
     // we must make sure that our synthetic 'right' button corresponds in
     // mouse down, moved and mouse up, and does not deliver a right down and left up
 
     if ( cEvent.GetKind() == kEventMouseDown )

-        lastButton = button ;
+    {
+        g_lastButton = button ;
+        g_lastButtonWasFakeRight = thisButtonIsFakeRight ;
+    }

 
     if ( button == 0 )
 
     if ( button == 0 )

-        lastButton = 0 ;
-    else if ( lastButton )
-        button = lastButton ;
+    {
+        g_lastButton = 0 ;
+        g_lastButtonWasFakeRight = false ;
+    }
+    else if ( g_lastButton == kEventMouseButtonSecondary && g_lastButtonWasFakeRight )
+        button = g_lastButton ;

 
     // determine the correct down state, wx does not want a 'down' for a mouseUp event,
     // while mac delivers this button
 
     // determine the correct down state, wx does not want a 'down' for a mouseUp event,
     // while mac delivers this button


@@ -358,12 +372,14 @@ static void SetupMouseEvent( wxMouseEvent &wxevent , wxMacCarbonEvent &cEvent )
         {
             wxevent.SetEventType( wxEVT_MOUSEWHEEL ) ;
 
         {
             wxevent.SetEventType( wxEVT_MOUSEWHEEL ) ;
 

-            // EventMouseWheelAxis axis = cEvent.GetParameter<EventMouseWheelAxis>(kEventParamMouseWheelAxis, typeMouseWheelAxis) ;
-            SInt32 delta = cEvent.GetParameter<SInt32>(kEventParamMouseWheelDelta, typeLongInteger) ;
+            EventMouseWheelAxis axis = cEvent.GetParameter<EventMouseWheelAxis>(kEventParamMouseWheelAxis, typeMouseWheelAxis) ;
+            SInt32 delta = cEvent.GetParameter<SInt32>(kEventParamMouseWheelDelta, typeSInt32) ;

 
             wxevent.m_wheelRotation = delta;
             wxevent.m_wheelDelta = 1;
             wxevent.m_linesPerAction = 1;
 
             wxevent.m_wheelRotation = delta;
             wxevent.m_wheelDelta = 1;
             wxevent.m_linesPerAction = 1;

+            if ( axis == kEventMouseWheelAxisX )
+                wxevent.m_wheelAxis = 1;

         }
         break ;
 
         }
         break ;
 


@@ -467,7 +483,7 @@ pascal OSStatus wxMacTopLevelMouseEventHandler( EventHandlerCallRef handler , Ev
 
     if ( window )
     {
 
     if ( window )
     {

-        QDGlobalToLocalPoint( UMAGetWindowPort(window ) ,  &windowMouseLocation ) ;
+        wxMacGlobalToLocal( window,  &windowMouseLocation ) ;

 
         if ( wxApp::s_captureWindow
 #if !NEW_CAPTURE_HANDLING
 
         if ( wxApp::s_captureWindow
 #if !NEW_CAPTURE_HANDLING


@@ -589,7 +605,7 @@ pascal OSStatus wxMacTopLevelMouseEventHandler( EventHandlerCallRef handler , Ev
             if ( wxevent.GetEventType() == wxEVT_LEFT_DOWN )
             {
                 // ... that is set focus to this window
             if ( wxevent.GetEventType() == wxEVT_LEFT_DOWN )
             {
                 // ... that is set focus to this window

-                if (currentMouseWindow->AcceptsFocus() && wxWindow::FindFocus()!=currentMouseWindow)
+                if (currentMouseWindow->CanAcceptFocus() && wxWindow::FindFocus()!=currentMouseWindow)

                     currentMouseWindow->SetFocus();
             }
 
                     currentMouseWindow->SetFocus();
             }
 


@@ -789,6 +805,36 @@ static pascal OSStatus wxMacTopLevelWindowEventHandler( EventHandlerCallRef hand
         }
             break ;
 
         }
             break ;
 

+        case kEventWindowGetRegion :
+            {
+                if ( toplevelWindow->GetBackgroundStyle() == wxBG_STYLE_TRANSPARENT )
+                {
+                    WindowRegionCode windowRegionCode ;
+
+                    // Fetch the region code that is being queried
+                    GetEventParameter( event,
+                                       kEventParamWindowRegionCode,
+                                       typeWindowRegionCode, NULL,
+                                       sizeof windowRegionCode, NULL,
+                                       &windowRegionCode ) ;
+
+                    // If it is the opaque region code then set the
+                    // region to empty and return noErr to stop event
+                    // propagation
+                    if ( windowRegionCode == kWindowOpaqueRgn ) {
+                        RgnHandle region;
+                        GetEventParameter( event,
+                                           kEventParamRgnHandle,
+                                           typeQDRgnHandle, NULL,
+                                           sizeof region, NULL,
+                                           &region) ;
+                        SetEmptyRgn(region) ;
+                        result = noErr ;
+                    }
+                }
+            }
+            break ;
+

         default :
             break ;
     }
         default :
             break ;
     }


@@ -929,7 +975,7 @@ bool wxTopLevelWindowMac::Create(wxWindow *parent,
     m_windowId = id == -1 ? NewControlId() : id;
     wxWindow::SetLabel( title ) ;
 
     m_windowId = id == -1 ? NewControlId() : id;
     wxWindow::SetLabel( title ) ;
 

-    MacCreateRealWindow( title, pos , size , MacRemoveBordersFromStyle(style) , name ) ;
+    MacCreateRealWindow( title, pos , size , style , name ) ;

 
     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE));
 
 
     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE));
 


@@ -968,6 +1014,10 @@ wxTopLevelWindowMac::~wxTopLevelWindowMac()
     FullScreenData *data = (FullScreenData *) m_macFullScreenData ;
     delete data ;
     m_macFullScreenData = NULL ;
     FullScreenData *data = (FullScreenData *) m_macFullScreenData ;
     delete data ;
     m_macFullScreenData = NULL ;

+
+    // avoid dangling refs
+    if ( s_macDeactivateWindow == this )
+        s_macDeactivateWindow = NULL;

 }
 
 
 }
 
 


@@ -980,10 +1030,18 @@ void wxTopLevelWindowMac::Maximize(bool maximize)
     Point idealSize = { 0 , 0 } ;
     if ( maximize )
     {
     Point idealSize = { 0 , 0 } ;
     if ( maximize )
     {

+#if MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5
+        HIRect bounds ;
+        HIWindowGetAvailablePositioningBounds(kCGNullDirectDisplay,kHICoordSpace72DPIGlobal,
+            &bounds);
+        idealSize.h = bounds.size.width;
+        idealSize.v = bounds.size.height;
+#else

         Rect rect ;
         GetAvailableWindowPositioningBounds(GetMainDevice(),&rect) ;
         idealSize.h = rect.right - rect.left ;
         idealSize.v = rect.bottom - rect.top ;
         Rect rect ;
         GetAvailableWindowPositioningBounds(GetMainDevice(),&rect) ;
         idealSize.h = rect.right - rect.left ;
         idealSize.v = rect.bottom - rect.top ;

+#endif

     }
     ZoomWindowIdeal( (WindowRef)m_macWindow , maximize ? inZoomOut : inZoomIn , &idealSize ) ;
 }
     }
     ZoomWindowIdeal( (WindowRef)m_macWindow , maximize ? inZoomOut : inZoomIn , &idealSize ) ;
 }


@@ -1021,12 +1079,6 @@ wxPoint wxTopLevelWindowMac::GetClientAreaOrigin() const
     return wxPoint(0, 0) ;
 }
 
     return wxPoint(0, 0) ;
 }
 

-void wxTopLevelWindowMac::SetIcon(const wxIcon& icon)
-{
-    // this sets m_icon
-    wxTopLevelWindowBase::SetIcon(icon);
-}
-

 void  wxTopLevelWindowMac::MacSetBackgroundBrush( const wxBrush &brush )
 {
     wxTopLevelWindowBase::MacSetBackgroundBrush( brush ) ;
 void  wxTopLevelWindowMac::MacSetBackgroundBrush( const wxBrush &brush )
 {
     wxTopLevelWindowBase::MacSetBackgroundBrush( brush ) ;


@@ -1102,6 +1154,20 @@ void  wxTopLevelWindowMac::MacCreateRealWindow(
             wclass = kPlainWindowClass ;
         }
     }
             wclass = kPlainWindowClass ;
         }
     }

+    else if ( HasFlag( wxPOPUP_WINDOW ) )
+    {
+        // TEMPORARY HACK!
+        // Until we've got a real wxPopupWindow class on wxMac make it a
+        // little easier for wxFrame to be used to emulate it and workaround
+        // the lack of wxPopupWindow.
+        if ( HasFlag( wxBORDER_NONE ) )
+            wclass = kHelpWindowClass ;   // has no border
+        else
+            wclass = kPlainWindowClass ;  // has a single line border, it will have to do for now
+        //attr |= kWindowNoShadowAttribute; // turn off the shadow  Should we??
+        group = GetWindowGroupOfClass(    // float above other windows   
+            kFloatingWindowClass) ;
+    }

     else if ( HasFlag( wxCAPTION ) )
     {
         wclass = kDocumentWindowClass ;
     else if ( HasFlag( wxCAPTION ) )
     {
         wclass = kDocumentWindowClass ;


@@ -1148,6 +1214,9 @@ void  wxTopLevelWindowMac::MacCreateRealWindow(
     if ( HasFlag(wxSTAY_ON_TOP) )
         group = GetWindowGroupOfClass(kUtilityWindowClass) ;
 
     if ( HasFlag(wxSTAY_ON_TOP) )
         group = GetWindowGroupOfClass(kUtilityWindowClass) ;
 

+    if ( HasFlag( wxFRAME_FLOAT_ON_PARENT ) )
+        group = GetWindowGroupOfClass(kFloatingWindowClass) ;
+        

     attr |= kWindowCompositingAttribute;
 #if 0 // wxMAC_USE_CORE_GRAPHICS ; TODO : decide on overall handling of high dpi screens (pixel vs userscale)
     attr |= kWindowFrameworkScaledAttribute;
     attr |= kWindowCompositingAttribute;
 #if 0 // wxMAC_USE_CORE_GRAPHICS ; TODO : decide on overall handling of high dpi screens (pixel vs userscale)
     attr |= kWindowFrameworkScaledAttribute;


@@ -1157,8 +1226,12 @@ void  wxTopLevelWindowMac::MacCreateRealWindow(
     {
         WindowDefSpec customWindowDefSpec;
         customWindowDefSpec.defType = kWindowDefProcPtr;
     {
         WindowDefSpec customWindowDefSpec;
         customWindowDefSpec.defType = kWindowDefProcPtr;

-        customWindowDefSpec.u.defProc = NewWindowDefUPP(wxShapedMacWindowDef);
-
+        customWindowDefSpec.u.defProc = 
+#ifdef __LP64__
+            (WindowDefUPP) wxShapedMacWindowDef;
+#else
+            NewWindowDefUPP(wxShapedMacWindowDef);
+#endif

         err = ::CreateCustomWindow( &customWindowDefSpec, wclass,
                               attr, &theBoundsRect,
                               (WindowRef*) &m_macWindow);
         err = ::CreateCustomWindow( &customWindowDefSpec, wclass,
                               attr, &theBoundsRect,
                               (WindowRef*) &m_macWindow);


@@ -1173,6 +1246,11 @@ void  wxTopLevelWindowMac::MacCreateRealWindow(
 
     wxCHECK_RET( err == noErr, wxT("Mac OS error when trying to create new window") );
 
 
     wxCHECK_RET( err == noErr, wxT("Mac OS error when trying to create new window") );
 

+    // setup a separate group for each window, so that overlays can be handled easily
+    verify_noerr( CreateWindowGroup( kWindowGroupAttrMoveTogether | kWindowGroupAttrLayerTogether | kWindowGroupAttrHideOnCollapse, &group ));
+    verify_noerr( SetWindowGroupParent( group, GetWindowGroup( (WindowRef) m_macWindow )));
+    verify_noerr( SetWindowGroup( (WindowRef) m_macWindow , group ));
+  

     // the create commands are only for content rect,
     // so we have to set the size again as structure bounds
     SetWindowBounds(  (WindowRef) m_macWindow , kWindowStructureRgn , &theBoundsRect ) ;
     // the create commands are only for content rect,
     // so we have to set the size again as structure bounds
     SetWindowBounds(  (WindowRef) m_macWindow , kWindowStructureRgn , &theBoundsRect ) ;


@@ -1204,6 +1282,13 @@ void  wxTopLevelWindowMac::MacCreateRealWindow(
     }
 #endif
 
     }
 #endif
 

+#if TARGET_API_MAC_OSX
+    if ( m_macWindow != NULL )
+    {
+        MacSetUnifiedAppearance( true ) ;
+    }
+#endif
+

     // the frame window event handler
     InstallStandardEventHandler( GetWindowEventTarget(MAC_WXHWND(m_macWindow)) ) ;
     MacInstallTopLevelWindowEventHandler() ;
     // the frame window event handler
     InstallStandardEventHandler( GetWindowEventTarget(MAC_WXHWND(m_macWindow)) ) ;
     MacInstallTopLevelWindowEventHandler() ;


@@ -1416,12 +1501,36 @@ void wxTopLevelWindowMac::SetExtraStyle(long exStyle)
     if ( m_macWindow != NULL )
     {
         bool metal = GetExtraStyle() & wxFRAME_EX_METAL ;
     if ( m_macWindow != NULL )
     {
         bool metal = GetExtraStyle() & wxFRAME_EX_METAL ;

+

         if ( MacGetMetalAppearance() != metal )
         if ( MacGetMetalAppearance() != metal )

+        {
+            if ( MacGetUnifiedAppearance() )
+                MacSetUnifiedAppearance( !metal ) ;
+            

             MacSetMetalAppearance( metal ) ;
             MacSetMetalAppearance( metal ) ;

+        }

     }
 #endif
 }
 
     }
 #endif
 }
 

+bool wxTopLevelWindowMac::SetBackgroundStyle(wxBackgroundStyle style)
+{
+    if ( !wxTopLevelWindowBase::SetBackgroundStyle(style) )
+        return false ;
+
+    WindowRef windowRef = HIViewGetWindow( (HIViewRef)GetHandle() );
+
+    if ( GetBackgroundStyle() == wxBG_STYLE_TRANSPARENT )
+    {
+        OSStatus err = HIWindowChangeFeatures( windowRef, 0, kWindowIsOpaque );
+        verify_noerr( err );
+        err = ReshapeCustomWindow( windowRef );
+        verify_noerr( err );
+    }
+
+    return true ;
+}
+

 // TODO: switch to structure bounds -
 // we are still using coordinates of the content view
 //
 // TODO: switch to structure bounds -
 // we are still using coordinates of the content view
 //


@@ -1485,6 +1594,9 @@ void wxTopLevelWindowMac::DoGetClientSize( int *width, int *height ) const
 void wxTopLevelWindowMac::MacSetMetalAppearance( bool set )
 {
 #if TARGET_API_MAC_OSX
 void wxTopLevelWindowMac::MacSetMetalAppearance( bool set )
 {
 #if TARGET_API_MAC_OSX

+    if ( MacGetUnifiedAppearance() )
+        MacSetUnifiedAppearance( false ) ;
+    

     MacChangeWindowAttributes( set ? kWindowMetalAttribute : kWindowNoAttributes ,
         set ? kWindowNoAttributes : kWindowMetalAttribute ) ;
 #endif
     MacChangeWindowAttributes( set ? kWindowMetalAttribute : kWindowNoAttributes ,
         set ? kWindowNoAttributes : kWindowMetalAttribute ) ;
 #endif


@@ -1495,10 +1607,41 @@ bool wxTopLevelWindowMac::MacGetMetalAppearance() const
 #if TARGET_API_MAC_OSX
     return MacGetWindowAttributes() & kWindowMetalAttribute ;
 #else
 #if TARGET_API_MAC_OSX
     return MacGetWindowAttributes() & kWindowMetalAttribute ;
 #else

-    return false ;
+    return false;

 #endif
 }
 
 #endif
 }
 

+void wxTopLevelWindowMac::MacSetUnifiedAppearance( bool set )
+{
+#if TARGET_API_MAC_OSX
+    if ( UMAGetSystemVersion() >= 0x1040 )
+    {
+        if ( MacGetMetalAppearance() )
+            MacSetMetalAppearance( false ) ;
+        
+        MacChangeWindowAttributes( set ? kWindowUnifiedTitleAndToolbarAttribute : kWindowNoAttributes ,
+            set ? kWindowNoAttributes : kWindowUnifiedTitleAndToolbarAttribute) ;
+        
+        // For some reason, Tiger uses white as the background color for this appearance,
+        // while most apps using it use the typical striped background. Restore that behavior
+        // for wx. 
+        // TODO: Determine if we need this on Leopard as well. (should be harmless either way,
+        // though)
+        SetBackgroundColour( wxSYS_COLOUR_WINDOW ) ;
+    }
+#endif
+}
+
+bool wxTopLevelWindowMac::MacGetUnifiedAppearance() const
+{
+#if TARGET_API_MAC_OSX
+    if ( UMAGetSystemVersion() >= 0x1040 )
+        return MacGetWindowAttributes() & kWindowUnifiedTitleAndToolbarAttribute ;
+    else
+#endif
+        return false;
+}
+

 void wxTopLevelWindowMac::MacChangeWindowAttributes( wxUint32 attributesToSet , wxUint32 attributesToClear )
 {
     ChangeWindowAttributes( (WindowRef)m_macWindow, attributesToSet, attributesToClear ) ;
 void wxTopLevelWindowMac::MacChangeWindowAttributes( wxUint32 attributesToSet , wxUint32 attributesToClear )
 {
     ChangeWindowAttributes( (WindowRef)m_macWindow, attributesToSet, attributesToClear ) ;


@@ -1599,7 +1742,7 @@ bool wxTopLevelWindowMac::SetShape(const wxRegion& region)
         DisposeRgn(oldRgn);
 
     // Save the region so we can use it later
         DisposeRgn(oldRgn);
 
     // Save the region so we can use it later

-    SetWRefCon((WindowRef)MacGetWindowRef(), (SInt32)shapeRegion);
+    SetWRefCon((WindowRef)MacGetWindowRef(), (URefCon)shapeRegion);

 
     // inform the window manager that the window has changed shape
     ReshapeCustomWindow((WindowRef)MacGetWindowRef());
 
     // inform the window manager that the window has changed shape
     ReshapeCustomWindow((WindowRef)MacGetWindowRef());


@@ -1615,13 +1758,12 @@ bool wxTopLevelWindowMac::SetShape(const wxRegion& region)
 static void wxShapedMacWindowGetPos(WindowRef window, Rect* inRect)
 {
     GetWindowPortBounds(window, inRect);
 static void wxShapedMacWindowGetPos(WindowRef window, Rect* inRect)
 {
     GetWindowPortBounds(window, inRect);

-    Point pt = { inRect->left, inRect->top };
-
-    QDLocalToGlobalPoint( GetWindowPort(window), &pt ) ;
+    Point pt = { inRect->top ,inRect->left };
+    wxMacLocalToGlobal( window, &pt ) ;
+    inRect->bottom += pt.v - inRect->top;
+    inRect->right += pt.h - inRect->left;

     inRect->top = pt.v;
     inRect->left = pt.h;
     inRect->top = pt.v;
     inRect->left = pt.h;

-    inRect->bottom += pt.v;
-    inRect->right += pt.h;

 }
 
 static SInt32 wxShapedMacWindowGetFeatures(WindowRef window, SInt32 param)
 }
 
 static SInt32 wxShapedMacWindowGetFeatures(WindowRef window, SInt32 param)