Changeset 561 for trunk/src/gui/kernel/qwidget_mac.mm

Timestamp:

Feb 11, 2010, 11:19:06 PM (15 years ago)

Author:

Dmitry A. Kuminov

Message:

trunk: Merged in qt 4.6.1 sources.

Location:

trunk

Files:

• . (modified) (1 prop)
• src/gui/kernel/qwidget_mac.mm (modified) (92 diffs)

trunk/src/gui/kernel/qwidget_mac.mm

@@ -2 +2 @@
 **
 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
-** Contact: Qt Software Information ([email protected])
+** All rights reserved.
+** Contact: Nokia Corporation ([email protected])
 **
 ** This file is part of the QtGui module of the Qt Toolkit.
@@ -21 +22 @@
 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
 **
-** In addition, as a special exception, Nokia gives you certain
-** additional rights. These rights are described in the Nokia Qt LGPL
-** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
-** package.
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
 **
 ** GNU General Public License Usage
@@ -34 +34 @@
 ** met: http://www.gnu.org/copyleft/gpl.html.
 **
-** If you are unsure which license is appropriate for your use, please
-** contact the sales department at qt-sales@nokia.com.
+** If you 
+** @nokia.com.
 ** $QT_END_LICENSE$
 **
@@ -73 +73 @@
 **
 ****************************************************************************/
-//#define QT_RASTER_PAINTENGINE
 
 #include <private/qt_mac_p.h>
@@ -84 +83 @@
 #include "qdesktopwidget.h"
 #include "qevent.h"
+
 #include "qimage.h"
 #include "qlayout.h"
 #include "qmenubar.h"
 #include <private/qbackingstore_p.h>
-#ifdef QT_RASTER_PAINTENGINE
-# include <private/qpaintengine_raster_p.h>
-#endif
 #include <private/qwindowsurface_mac_p.h>
 #include <private/qpaintengine_mac_p.h>
@@ -111 +108 @@
 
 #include "qwidget_p.h"
+
 #include "qdnd_p.h"
 #include <QtGui/qgraphicsproxywidget.h>
@@ -123 +121 @@
 extern "C" {
     extern OSStatus _HIViewScrollRectWithOptions(HIViewRef, const HIRect *, CGFloat, CGFloat,
-                                                 OptionBits);
+                                                 OptionBits);
 }
 #define kHIViewScrollRectAdjustInvalid 1
@@ -304 +302 @@
 }
 
+
+
+
+
+
+
+
+
+
+
 bool qt_mac_set_drawer_preferred_edge(QWidget *w, Qt::DockWidgetArea where) //users of Qt for Mac OS X can use this..
 {
@@ -391 +399 @@
 inline static void qt_mac_set_fullscreen_mode(bool b)
 {
-    extern bool qt_mac_app_fullscreen; //qapplication_mac.cpp
+    extern bool qt_mac_app_fullscreen; //qapplication_mac.
     if(qt_mac_app_fullscreen == b)
         return;
     qt_mac_app_fullscreen = b;
-#if QT_MAC_USE_COCOA
-    if(b)
-        SetSystemUIMode(kUIModeAllHidden, kUIOptionAutoShowMenuBar);
-    else
+    if (b) {
+        SetSystemUIMode(kUIModeAllSuppressed, 0);
+    } else {
         SetSystemUIMode(kUIModeNormal, 0);
-#else
-    if(b)
-        HideMenuBar();
-    else
-        ShowMenuBar();
-#endif
+    }
 }
 
@@ -512 +514 @@
 {
     SInt32 group_level;
-#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
-    if (QSysInfo::MacintoshVersion >= QSysInfo::MV_10_4) {
-        CGWindowLevel tmpLevel;
-        GetWindowGroupLevelOfType(GetWindowGroupOfClass(wclass), kWindowGroupLevelActive, &tmpLevel);
-        group_level = tmpLevel;
-    } else
-#endif
-    {
-        GetWindowGroupLevel(GetWindowGroupOfClass(wclass), &group_level);
-    }
+    CGWindowLevel tmpLevel;
+    GetWindowGroupLevelOfType(GetWindowGroupOfClass(wclass), kWindowGroupLevelActive, &tmpLevel);
+    group_level = tmpLevel;
     return group_level;
 }
@@ -731 +726 @@
 }
 
+
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+
 // window events
 static EventTypeSpec window_events[] = {
     { kEventClassWindow, kEventWindowClose },
     { kEventClassWindow, kEventWindowExpanded },
+
+
     { kEventClassWindow, kEventWindowZoomed },
     { kEventClassWindow, kEventWindowCollapsed },
@@ -742 +756 @@
     { kEventClassWindow, kEventWindowResizeCompleted },
     { kEventClassWindow, kEventWindowBoundsChanging },
-    { kEventClassWindow, kEventWindowBoundsChanged },
     { kEventClassWindow, kEventWindowGetRegion },
-#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
     { kEventClassWindow, kEventWindowGetClickModality },
-#endif
     { kEventClassWindow, kEventWindowTransitionCompleted },
+
+
+
+
+
     { kEventClassMouse, kEventMouseDown }
 };
@@ -776 +792 @@
         if(!widget) {
             handled_event = false;
-#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
         } else if(ekind == kEventWindowGetClickModality) {
             // Carbon will send us kEventWindowGetClickModality before every
@@ -787 +802 @@
             // help Carbon determining which window is supposed to be raised.
             handled_event = qApp->activePopupWidget() ? true : false;
-            QWidget *top = 0;
-            if (!QApplicationPrivate::tryModalHelper(widget, &top) && top && top != widget){
-                if(!qt_mac_is_macsheet(top) || top->parentWidget() != widget) {
-                    handled_event = true;
-                    WindowPtr topWindowRef = qt_mac_window_for(top);
-                    SetEventParameter(event, kEventParamModalWindow, typeWindowRef, sizeof(topWindowRef), &topWindowRef);
-                    HIModalClickResult clickResult = kHIModalClickIsModal;
-                    SetEventParameter(event, kEventParamModalClickResult, typeModalClickResult, sizeof(clickResult), &clickResult);
-                }
-            }
-#endif
         } else if(ekind == kEventWindowClose) {
             widget->d_func()->close_helper(QWidgetPrivate::CloseWithSpontaneousEvent);
@@ -825 +829 @@
             QShowEvent qse;
             QApplication::sendSpontaneousEvent(widget, &qse);
+
+
+
         } else if(ekind == kEventWindowZoomed) {
             WindowPartCode windowPart;
@@ -871 +878 @@
             qt_button_down = 0;
         } else if(ekind == kEventWindowToolbarSwitchMode) {
-            QToolBarChangeEvent ev(!(GetCurrentKeyModifiers() & cmdKey));
-            QApplication::sendSpontaneousEvent(widget, &ev);
+            macSendToolbarChangeEvent(widget);
             HIToolbarRef toolbar;
             if (GetWindowToolbar(wid, &toolbar) == noErr) {
@@ -920 +926 @@
             SendEventToApplication(mouseUpEvent);
             ReleaseEvent(mouseUpEvent);
-        } else if(ekind == kEventWindowBoundsChanging || ekind == kEventWindowBoundsChanged) {
-            // Panther doesn't send Changing for sheets, only changed, so only
-            // bother handling Changed event if we are on 10.3 and we are a
-            // sheet.
-            if (ekind == kEventWindowBoundsChanged
-                    && (QSysInfo::MacintoshVersion >= QSysInfo::MV_10_4
-                        || !(widget->windowFlags() & Qt::Sheet))) {
+        } else if(ekind == kEventWindowBoundsChanging) {
+            UInt32 flags = 0;
+            GetEventParameter(event, kEventParamAttributes, typeUInt32, 0,
+                                  sizeof(flags), 0, &flags);
+            Rect nr;
+            GetEventParameter(event, kEventParamCurrentBounds, typeQDRectangle, 0,
+                                  sizeof(nr), 0, &nr);
+
+            QRect newRect(nr.left, nr.top, nr.right - nr.left, nr.bottom - nr.top);
+
+            QTLWExtra * const tlwExtra = widget->d_func()->maybeTopData();
+            if (tlwExtra && tlwExtra->isSetGeometry == 1) {
+                widget->d_func()->setGeometry_sys_helper(newRect.left(), newRect.top(), newRect.width(), newRect.height(), tlwExtra->isMove);
+            } else {
+                //implicitly removes the maximized bit
+                if((widget->data->window_state & Qt::WindowMaximized) &&
+                   IsWindowInStandardState(wid, 0, 0)) {
+                    widget->data->window_state &= ~Qt::WindowMaximized;
+                    QWindowStateChangeEvent e(Qt::WindowStates(widget->data->window_state
+                                                | Qt::WindowMaximized));
+                    QApplication::sendSpontaneousEvent(widget, &e);
+
+                }
+
                 handled_event = false;
-            } else {
-                UInt32 flags = 0;
-                GetEventParameter(event, kEventParamAttributes, typeUInt32, 0,
-                                      sizeof(flags), 0, &flags);
-                Rect nr;
-                GetEventParameter(event, kEventParamCurrentBounds, typeQDRectangle, 0,
-                                      sizeof(nr), 0, &nr);
-
-                QRect newRect(nr.left, nr.top, nr.right - nr.left, nr.bottom - nr.top);
-
-                QTLWExtra * const tlwExtra = widget->d_func()->maybeTopData();
-                if (tlwExtra && tlwExtra->isSetGeometry == 1) {
-                    widget->d_func()->setGeometry_sys_helper(newRect.left(), newRect.top(), newRect.width(), newRect.height(), tlwExtra->isMove);
-                } else {
-                    //implicitly removes the maximized bit
-                    if((widget->data->window_state & Qt::WindowMaximized) &&
-                       IsWindowInStandardState(wid, 0, 0)) {
-                        widget->data->window_state &= ~Qt::WindowMaximized;
-                        QWindowStateChangeEvent e(Qt::WindowStates(widget->data->window_state
-                                                    | Qt::WindowMaximized));
-                        QApplication::sendSpontaneousEvent(widget, &e);
-
+                const QRect oldRect = widget->data->crect;
+                if((flags & kWindowBoundsChangeOriginChanged)) {
+                    if(nr.left != oldRect.x() || nr.top != oldRect.y()) {
+                        widget->data->crect.moveTo(nr.left, nr.top);
+                        QMoveEvent qme(widget->data->crect.topLeft(), oldRect.topLeft());
+                        QApplication::sendSpontaneousEvent(widget, &qme);
                     }
-
-                    handled_event = false;
-                    const QRect oldRect = widget->data->crect;
-                    if((flags & kWindowBoundsChangeOriginChanged)) {
-                        if(nr.left != oldRect.x() || nr.top != oldRect.y()) {
-                            widget->data->crect.moveTo(nr.left, nr.top);
-                            QMoveEvent qme(widget->data->crect.topLeft(), oldRect.topLeft());
-                            QApplication::sendSpontaneousEvent(widget, &qme);
+                }
+                if((flags & kWindowBoundsChangeSizeChanged)) {
+                    if (widget->isWindow()) {
+                        QSize newSize = QLayout::closestAcceptableSize(widget, newRect.size());
+                        int dh = newSize.height() - newRect.height();
+                        int dw = newSize.width() - newRect.width();
+                        if (dw != 0 || dh != 0) {
+                            handled_event = true;  // We want to change the bounds, so we handle the event
+
+                            // set the rect, so we can also do the resize down below (yes, we need to resize).
+                            newRect.setBottom(newRect.bottom() + dh);
+                            newRect.setRight(newRect.right() + dw);
+
+                            nr.left = newRect.x();
+                            nr.top = newRect.y();
+                            nr.right = nr.left + newRect.width();
+                            nr.bottom = nr.top + newRect.height();
+                            SetEventParameter(event, kEventParamCurrentBounds, typeQDRectangle, sizeof(Rect), &nr);
                         }
                     }
-                    if((flags & kWindowBoundsChangeSizeChanged)) {
-                        if (widget->isWindow()) {
-                            QSize newSize = QLayout::closestAcceptableSize(widget, newRect.size());
-                            int dh = newSize.height() - newRect.height();
-                            int dw = newSize.width() - newRect.width();
-                            if (dw != 0 || dh != 0) {
-                                handled_event = true;  // We want to change the bounds, so we handle the event
-
-                                // set the rect, so we can also do the resize down below (yes, we need to resize).
-                                newRect.setBottom(newRect.bottom() + dh);
-                                newRect.setRight(newRect.right() + dw);
-
-                                nr.left = newRect.x();
-                                nr.top = newRect.y();
-                                nr.right = nr.left + newRect.width();
-                                nr.bottom = nr.top + newRect.height();
-                                SetEventParameter(event, kEventParamCurrentBounds, typeQDRectangle, sizeof(Rect), &nr);
-                            }
-                        }
-
-                        if (oldRect.width() != newRect.width() || oldRect.height() != newRect.height()) {
-                            widget->data->crect.setSize(newRect.size());
-                            HIRect bounds = CGRectMake(0, 0, newRect.width(), newRect.height());
-
-                            // If the WA_StaticContents attribute is set we can optimize the resize
-                            // by only repainting the newly exposed area. We do this by disabling
-                            // painting when setting the size of the view. The OS will invalidate
-                            // the newly exposed area for us.
-                            const bool staticContents = widget->testAttribute(Qt::WA_StaticContents);
-                            const HIViewRef view = qt_mac_nativeview_for(widget);
-                            if (staticContents)
-                                HIViewSetDrawingEnabled(view, false);
-                            HIViewSetFrame(view, &bounds);
-                            if (staticContents)
-                                HIViewSetDrawingEnabled(view, true);
-
-                            QResizeEvent qre(newRect.size(), oldRect.size());
-                            QApplication::sendSpontaneousEvent(widget, &qre);
-                            qt_event_request_window_change(widget);
-                        }
+
+                    if (oldRect.width() != newRect.width() || oldRect.height() != newRect.height()) {
+                        widget->data->crect.setSize(newRect.size());
+                        HIRect bounds = CGRectMake(0, 0, newRect.width(), newRect.height());
+
+                        // If the WA_StaticContents attribute is set we can optimize the resize
+                        // by only repainting the newly exposed area. We do this by disabling
+                        // painting when setting the size of the view. The OS will invalidate
+                        // the newly exposed area for us.
+                        const bool staticContents = widget->testAttribute(Qt::WA_StaticContents);
+                        const HIViewRef view = qt_mac_nativeview_for(widget);
+                        if (staticContents)
+                            HIViewSetDrawingEnabled(view, false);
+                        HIViewSetFrame(view, &bounds);
+                        if (staticContents)
+                            HIViewSetDrawingEnabled(view, true);
+
+                        QResizeEvent qre(newRect.size(), oldRect.size());
+                        QApplication::sendSpontaneousEvent(widget, &qre);
+                        qt_event_request_window_change(widget);
                     }
+
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                 }
             }
@@ -1041 +1051 @@
         handled_event = false;
         break; }
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     default:
         handled_event = false;
@@ -1140 +1218 @@
                 GrafPtr qd = 0;
                 CGContextRef cg = 0;
-#ifndef QT_MAC_NO_QUICKDRAW
-                {
-                    if(GetEventParameter(event, kEventParamGrafPort, typeGrafPtr, 0, sizeof(qd), 0, &qd) != noErr) {
-                        GDHandle dev = 0;
-                        GetGWorld(&qd, &dev); //just use the global port..
-                    }
-                }
-                bool end_cg_context = false;
-                if(GetEventParameter(event, kEventParamCGContextRef, typeCGContextRef, 0, sizeof(cg), 0, &cg) != noErr && qd) {
-                    end_cg_context = true;
-                    QDBeginCGContext(qd, &cg);
-                }
-#else
                 if(GetEventParameter(event, kEventParamCGContextRef, typeCGContextRef, 0, sizeof(cg), 0, &cg) != noErr) {
                     Q_ASSERT(false);
                 }
-#endif
                 widget->d_func()->hd = cg;
                 widget->d_func()->qd_hd = qd;
@@ -1222 +1286 @@
                         if(was_unclipped)
                             widget->setAttribute(Qt::WA_PaintUnclipped);
-
-                        QAbstractScrollArea *scrollArea = qobject_cast<QAbstractScrollArea *>(widget->parent());
-                        QPoint scrollAreaOffset;
-                        if (scrollArea && scrollArea->viewport() == widget) {
-                            QAbstractScrollAreaPrivate *priv = static_cast<QAbstractScrollAreaPrivate *>(static_cast<QWidget *>(scrollArea)->d_ptr);
-                            scrollAreaOffset = priv->contentsOffset();
-                            p.translate(-scrollAreaOffset);
-                        }
-
-                        widget->d_func()->paintBackground(&p, qrgn, scrollAreaOffset, widget->isWindow() ? DrawAsRoot : 0);
+                        widget->d_func()->paintBackground(&p, qrgn, widget->isWindow() ? DrawAsRoot : 0);
                         if (widget->testAttribute(Qt::WA_TintedBackground)) {
                             QColor tint = widget->palette().window().color();
@@ -1237 +1292 @@
                             const QVector<QRect> &rects = qrgn.rects();
                             for (int i = 0; i < rects.size(); ++i)
-                                p.fillRect(rects.at(i).translated(scrollAreaOffset), tint);
+                                p.fillRect(rects.at(i), tint);
                         }
                         p.end();
@@ -1267 +1322 @@
                     if (!redirectionOffset.isNull())
                         widget->d_func()->restoreRedirected();
-#ifdef QT_RASTER_PAINTENGINE
-                    if(engine && engine->type() == QPaintEngine::Raster)
-                        static_cast<QRasterPaintEngine*>(engine)->flush(widget,
-                                                                        qrgn.boundingRect().topLeft());
-#endif
 
                     //cleanup
@@ -1285 +1335 @@
                 widget->d_func()->qd_hd = 0;
                 CGContextRestoreGState(cg);
-#ifndef QT_MAC_NO_QUICKDRAW
-                if(end_cg_context)
-                    QDEndCGContext(qd, &cg);
-#endif
             } else if(!HIObjectIsOfClass((HIObjectRef)hiview, kObjectQWidget)) {
                 CallNextEventHandler(er, event);
@@ -1393 +1439 @@
                         // doesn't get called a second time below:
                         dropWidget = 0;
+
+
+
+
+
+
+
+
                     }
                 }
@@ -1537 +1591 @@
 bool QWidgetPrivate::qt_mac_update_sizer(QWidget *w, int up)
 {
+
     if(!w || !w->isWindow())
         return false;
@@ -1542 +1597 @@
     QTLWExtra *topData = w->d_func()->topData();
     QWExtra *extraData = w->d_func()->extraData();
-    topData->resizer += up;
+    // topData->resizer is only 4 bits, so subtracting -1 from zero causes bad stuff
+    // to happen, prevent that here (you really want the thing hidden).
+    if (up >= 0 || topData->resizer != 0)
+        topData->resizer += up;
     OSWindowRef windowRef = qt_mac_window_for(OSViewRef(w->winId()));
     {
@@ -1555 +1613 @@
                         || (extraData->maxw && extraData->maxh &&
                             extraData->maxw == extraData->minw && extraData->maxh == extraData->minh));
-
 #ifndef QT_MAC_USE_COCOA
     WindowAttributes attr;
@@ -1603 +1660 @@
         return false;
     qAddPostRoutine(qt_clean_root_win);
-    return true;
-}
-
-bool QWidgetPrivate::qt_recreate_root_win()
-{
-    if(!qt_root_win) //sanity check
-        return false;
-    //store old
-    OSWindowRef old_root_win = qt_root_win;
-    //recreate
-    qt_root_win = 0;
-    qt_create_root_win();
-    //cleanup old window
-#ifdef QT_MAC_USE_COCOA
-    [old_root_win release];
-#else
-    CFRelease(old_root_win);
-#endif
     return true;
 }
@@ -1724 +1763 @@
         if (framelessWindow) {
             if(wclass == kDocumentWindowClass) {
-                if (QSysInfo::MacintoshVersion >= QSysInfo::MV_10_4)
-                    wattr |= kWindowNoTitleBarAttribute;
-                else
-                    wclass = kPlainWindowClass;
+                wattr |= kWindowNoTitleBarAttribute;
             } else if(wclass == kFloatingWindowClass) {
-                if (QSysInfo::MacintoshVersion >= QSysInfo::MV_10_4)
-                    wattr |= kWindowNoTitleBarAttribute;
-                else
-                    wclass = kToolbarWindowClass;
+                wattr |= kWindowNoTitleBarAttribute;
             } else if (wclass  == kMovableModalWindowClass) {
-                    wclass = kModalWindowClass;
+                wclass = kModalWindowClass;
             }
         } else {
@@ -2032 +2065 @@
         SetAutomaticControlDragTrackingEnabledForWindow(windowRef, true);
     HIWindowChangeFeatures(windowRef, kWindowCanCollapse, 0);
-#if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4)
-    if (QSysInfo::MacintoshVersion >= QSysInfo::MV_10_4) {
-        if (wattr & kWindowHideOnSuspendAttribute)
-            HIWindowChangeAvailability(windowRef, kHIWindowExposeHidden, 0);
-        else
-            HIWindowChangeAvailability(windowRef, 0, kHIWindowExposeHidden);
-    }
-#endif
+    if (wattr & kWindowHideOnSuspendAttribute)
+        HIWindowChangeAvailability(windowRef, kHIWindowExposeHidden, 0);
+    else
+        HIWindowChangeAvailability(windowRef, 0, kHIWindowExposeHidden);
     if ((flags & Qt::WindowStaysOnTopHint))
         ChangeWindowAttributes(windowRef, kWindowNoAttributes, kWindowHideOnSuspendAttribute);
@@ -2163 +2192 @@
     updateFrameStrut();
     qt_mac_update_sizer(q);
+
 }
 #else  // QT_MAC_USE_COCOA
@@ -2183 +2213 @@
     if ((popup || type == Qt::Tool || type == Qt::ToolTip) && !q->isModal()) {
         [windowRef setHidesOnDeactivate:YES];
-        [windowRef setHasShadow:YES];
-    }
+    } else {
+        [windowRef setHidesOnDeactivate:NO];
+    }
+    [windowRef setHasShadow:YES];
     Q_UNUSED(parentWidget);
     Q_UNUSED(dialog);
@@ -2245 +2277 @@
     macUpdateIsOpaque();
     qt_mac_update_sizer(q);
+
 }
 
@@ -2309 +2342 @@
     OSWindowRef windowRef = qt_mac_create_window(q, topExtra->wclass, wattr, data.crect);
     if (windowRef == 0)
-        qWarning("QWidget: Internal error: %s:%d: If you reach this error please contact Trolltech and include the\n"
+        qWarning("QWidget: Internal error: %s:%d: If you reach this error please contact  and include the\n"
                 "      WidgetFlags used in creating the widget.", __FILE__, __LINE__);
 #ifndef QT_MAC_USE_COCOA
@@ -2528 +2561 @@
     if (!topLevel && initializeWindow)
         setWSGeometry();
-
     if (destroyid)
         qt_mac_destructView(destroyid);
+
+
 }
 
@@ -2568 +2602 @@
     Q_D(QWidget);
     if (!isWindow() && parentWidget())
-        parentWidget()->d_func()->invalidateBuffer(geometry());
+        parentWidget()->d_func()->invalidateBuffer());
     d->deactivateWidgetCleanup();
     qt_mac_event_release(this);
@@ -2584 +2618 @@
         if(mac_keyboard_grabber == this)
             releaseKeyboard();
-        if(acceptDrops())
-            setAcceptDrops(false);
 
         if(testAttribute(Qt::WA_ShowModal))          // just be sure we leave modal
@@ -2619 +2651 @@
             }
         }
-        d->setWinId(0);
+        QT_TRY {
+            d->setWinId(0);
+        } QT_CATCH (const std::bad_alloc &) {
+            // swallow - destructors must not throw
+        }
     }
 }
@@ -2649 +2685 @@
                     bool oldRegistered = w->testAttribute(Qt::WA_DropSiteRegistered);
                     w->setAttribute(Qt::WA_DropSiteRegistered, false);
+
+
                     [qt_mac_nativeview_for(q) addSubview:qt_mac_nativeview_for(w)];
+
                     w->setAttribute(Qt::WA_DropSiteRegistered, oldRegistered);
 #endif
@@ -2670 +2709 @@
 
     if (q->isVisible() && q->parentWidget() && parent != q->parentWidget())
-        q->parentWidget()->d_func()->invalidateBuffer(q->geometry());
+        q->parentWidget()->d_func()->invalidateBuffer());
 
     // Maintain the glWidgets list on parent change: remove "our" gl widgets
@@ -2737 +2776 @@
         if (q->isWindow()) {
 #ifndef QT_MAC_USE_COCOA
-            if (QMainWindowLayout *mwl = qobject_cast<QMainWindowLayout *>(q->layout())) {
-                mwl->updateHIToolBarStatus();
-            }
-#else
+            // We do this down below for wasCreated, so avoid doing this twice
+            // (only for performance, it gets called a lot anyway).
+            if (!wasCreated) {
+                if (QMainWindowLayout *mwl = qobject_cast<QMainWindowLayout *>(q->layout())) {
+                    mwl->updateHIToolBarStatus();
+                }
+            }
+#else
+            // Simply transfer our toolbar over. Everything should stay put, unlike in Carbon.
             if (oldToolbar && !(f & Qt::FramelessWindowHint)) {
                 OSWindowRef newWindow = qt_mac_window_for(q);
@@ -2755 +2799 @@
     if (wasCreated) {
         transferChildren();
+
+
+
+
+
+
+
+
+
+
         if (topData &&
                 (!topData->caption.isEmpty() || !topData->filePath.isEmpty()))
@@ -2856 +2910 @@
 void QWidgetPrivate::setCursor_sys(const QCursor &)
 {
+
     qt_mac_update_cursor();
+
+
+
+
+
+
+
 }
 
 void QWidgetPrivate::unsetCursor_sys()
 {
+
     qt_mac_update_cursor();
+
+
+
+
+
+
+
 }
 
@@ -2872 +2942 @@
 #else
         QMacCocoaAutoReleasePool pool;
-        [qt_mac_window_for(q)
-          setTitle:reinterpret_cast<const NSString *>(static_cast<CFStringRef>(QCFString(caption)))];
+        [qt_mac_window_for(q) setTitle:qt_mac_QStringToNSString(caption)];
 #endif
     }
@@ -2895 +2964 @@
 #ifdef QT_MAC_USE_COCOA
     QMacCocoaAutoReleasePool pool;
-    [qt_mac_window_for(q) setRepresentedFilename:reinterpret_cast<const NSString *>(static_cast<CFStringRef>(QCFString(filePath)))];
+    QFileInfo fi(filePath);
+    [qt_mac_window_for(q) setRepresentedFilename:fi.exists() ? qt_mac_QStringToNSString(filePath) : @""];
 #else
     bool validRef = false;
@@ -2908 +2978 @@
     // Set the proxy regardless, since this is our way of clearing it as well, but ignore the
     // return value as well.
-    if (QSysInfo::MacintoshVersion >= QSysInfo::MV_10_4) {
-        if (validRef) {
-            status = HIWindowSetProxyFSRef(qt_mac_window_for(q), &ref);
-        } else {
-            status = RemoveWindowProxy(qt_mac_window_for(q));
-        }
+    if (validRef) {
+        status = HIWindowSetProxyFSRef(qt_mac_window_for(q), &ref);
     } else {
-        // Convert to an FSSpec and set it. It's deprecated but it works for where we don't have the other call.
-        if (validRef) {
-            FSSpec fsspec;
-            FSGetCatalogInfo(&ref, kFSCatInfoNone, 0, 0, &fsspec, 0);
-            status = SetWindowProxyFSSpec(qt_mac_window_for(q), &fsspec);
-        } else {
-            status = RemoveWindowProxy(qt_mac_window_for(q));
-        }
+        status = RemoveWindowProxy(qt_mac_window_for(q));
     }
     if (status != noErr)
@@ -2977 +3036 @@
         QMacCocoaAutoReleasePool pool;
         NSButton *iconButton = [qt_mac_window_for(q) standardWindowButton:NSWindowDocumentIconButton];
+
+
+
+
+
+
         if (icon.isNull()) {
             [iconButton setImage:nil];
         } else {
-            NSImage *image = static_cast<NSImage *>(qt_mac_create_nsimage(*pm));
+            QPixmap scaled = pm->scaled(QSize(16,16), Qt::KeepAspectRatio, Qt::SmoothTransformation);
+            NSImage *image = static_cast<NSImage *>(qt_mac_create_nsimage(scaled));
             [iconButton setImage:image];
             [image release];
@@ -2996 +3062 @@
 #else
         QMacCocoaAutoReleasePool pool;
-        [qt_mac_window_for(q)
-            setMiniwindowTitle:reinterpret_cast<const NSString *>(static_cast<CFStringRef>(QCFString(iconText)))];
+        [qt_mac_window_for(q) setMiniwindowTitle:qt_mac_QStringToNSString(iconText)];
 #endif
     }
@@ -3011 +3076 @@
 }
 
+
 void QWidget::grabMouse(const QCursor &)
 {
@@ -3019 +3085 @@
     }
 }
+
 
 void QWidget::releaseMouse()
@@ -3130 +3197 @@
             return;
 #ifndef QT_MAC_USE_COCOA
-#    if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
-        if (QSysInfo::MacintoshVersion >= QSysInfo::MV_10_4) {
-            dirtyOnWidget += updateRect;
-            HIRect r = CGRectMake(x, y, w, h);
-            HIViewSetNeedsDisplayInRect(qt_mac_nativeview_for(q), &r, true);
-        } else
-    #endif
-        {
-            q->update(QRegion(updateRect));
-        }
+        dirtyOnWidget += updateRect;
+        HIRect r = CGRectMake(x, y, w, h);
+        HIViewSetNeedsDisplayInRect(qt_mac_nativeview_for(q), &r, true);
 #else
         [qt_mac_nativeview_for(q) setNeedsDisplayInRect:NSMakeRect(x, y, w, h)];
@@ -3153 +3213 @@
     dirtyOnWidget += rgn;
 #ifndef QT_MAC_USE_COCOA
-    HIViewSetNeedsDisplayInRegion(qt_mac_nativeview_for(q), QMacSmartQuickDrawRegion(rgn.toQDRgn()), true);
+    RgnHandle rgnHandle = rgn.toQDRgnForUpdate_sys();
+    if (rgnHandle)
+        HIViewSetNeedsDisplayInRegion(qt_mac_nativeview_for(q), QMacSmartQuickDrawRegion(rgnHandle), true);
+    else {
+        HIViewSetNeedsDisplay(qt_mac_nativeview_for(q), true); // do a complete repaint on overflow.
+    }
 #else
     // Cocoa doesn't do regions, it seems more efficient to just update the bounding rect instead of a potential number of message passes for each rect.
@@ -3224 +3289 @@
         SizeWindow(window, q->width(), q->height(), true);
 #endif
+
+
+
+
+
+
         if(qt_mac_is_macsheet(q)) {
             qt_event_request_showsheet(q);
@@ -3239 +3310 @@
             // sync the opacity value back (in case of a fade).
             [window setAlphaValue:q->windowOpacity()];
-
             [window makeKeyAndOrderFront:window];
+
+
+
+
             if (data.window_modality == Qt::ApplicationModal)
-                QCoreApplication::postEvent(qApp, new QEvent(QEvent::CocoaRequestModal));
+                Q);
 #endif
             if (q->windowType() == Qt::Popup) {
@@ -3259 +3333 @@
 #endif
         } else if (!q->testAttribute(Qt::WA_ShowWithoutActivating)) {
+
             qt_event_request_activate(q);
-#ifdef QT_MAC_USE_COCOA
-            if (q->windowModality() == Qt::ApplicationModal) {
-                // We call 'activeModalSession' early to force creation of q's modal
-                // session. This seems neccessary for child dialogs to pop to front:
-                QEventDispatcherMacPrivate::activeModalSession();
-            }
+#else
+            [qt_mac_window_for(q) makeKeyWindow];
 #endif
         }
@@ -3347 +3418 @@
             if(!w || (!w->isVisible() && !w->isMinimized())) {
 #ifndef QT_MAC_USE_COCOA
-                for(WindowPtr wp = GetFrontWindowOfClass(kDocumentWindowClass, true);
-                    wp; wp = GetNextWindowOfClass(wp, kDocumentWindowClass, true)) {
+                forWindowClass, true);
+                    wp; wp = GetNextWindowOfClass(wp, kWindowClass, true)) {
                     if((w = qt_mac_find_window(wp)))
                         break;
+
+
+
+
+
+
+
                 }
                 if (!w){
@@ -3369 +3447 @@
 #endif
             }
-            if(w && w->isVisible() && !w->isMinimized())
-                qt_event_request_activate(w);
+            if(w && w->isVisible() && !w->isMinimized()) {
+#ifndef QT_MAC_USE_COCOA
+            qt_event_request_activate(w);
+#else
+            [qt_mac_window_for(w) makeKeyWindow];
+#endif
+            }
         }
     } else {
@@ -3423 +3506 @@
             } else {
                 needShow = isVisible();
+
+
                 setParent(parentWidget(), d->topData()->savedFlags);
                 setGeometry(d->topData()->normalGeometry);
-                if(!qApp->desktop()->screenNumber(this))
-                    qt_mac_set_fullscreen_mode(false);
                 d->topData()->normalGeometry.setRect(0, 0, -1, -1);
             }
@@ -3528 +3611 @@
 #endif
                 needSendStateChange = oldstate == windowState(); // Zoom didn't change flags.
-            } else if(oldstate & Qt::WindowMaximized) {
+            } else if(oldstate & Qt::WindowMaximized) {
 #ifndef QT_MAC_USE_COCOA
                 Point idealSize;
@@ -3572 +3655 @@
 }
 
+
+
+
+
+
+
+
+
+
+
 void QWidgetPrivate::raise_sys()
 {
@@ -3579 +3672 @@
 
 #if QT_MAC_USE_COCOA
-    QMacCocoaAutoReleasePool pool;
     if (isRealWindow()) {
         // Calling orderFront shows the window on Cocoa too.
-        if (!q->testAttribute(Qt::WA_DontShowOnScreen)) {
+        if (!q->testAttribute(Qt::WA_DontShowOnScreen)) {
             [qt_mac_window_for(q) orderFront:qt_mac_window_for(q)];
         }
@@ -3591 +3683 @@
         }
     } else {
-        // Cocoa doesn't really have an idea of Z-ordering, but you can
-        // fake it by changing the order of it.
         NSView *view = qt_mac_nativeview_for(q);
         NSView *parentView = [view superview];
-        [view removeFromSuperview];
-        [parentView addSubview:view];
+        [parentView sortSubviewsUsingFunction:compareViews2Raise context:reinterpret_cast<void *>(view)];
     }
 #else
@@ -3614 +3703 @@
 }
 
+
+
+
+
+
+
+
+
+
+
 void QWidgetPrivate::lower_sys()
 {
@@ -3620 +3719 @@
         return;
 #ifdef QT_MAC_USE_COCOA
-    QMacCocoaAutoReleasePool pool;
     if (isRealWindow()) {
         OSWindowRef window = qt_mac_window_for(q);
         [window orderBack:window];
     } else {
-        // Cocoa doesn't really have an idea of Z-ordering, but you can
-        // fake it by changing the order of it. In this case
-        // we put the item at the beginning of the list, but that means
-        // we must re-insert everything since we cannot modify the list directly.
-        NSView *myview = qt_mac_nativeview_for(q);
-        NSView *parentView = [myview superview];
-        NSArray *tmpViews = [parentView subviews];
-        NSMutableArray *subviews = [[NSMutableArray alloc] initWithCapacity:[tmpViews count]];
-        [subviews addObjectsFromArray:tmpViews];
-        // Implicit assumption that myViewIndex is included in subviews, that's why I'm not checking
-        // myViewIndex.
-        NSUInteger index = 0;
-        NSUInteger myViewIndex = 0;
-        bool foundMyView = false;
-        for (NSView *subview in subviews) {
-            [subview removeFromSuperview];
-            if (subview == myview) {
-                foundMyView = true;
-                myViewIndex = index;
-            }
-            ++index;
-        }
-        [parentView addSubview:myview];
-        if (foundMyView)
-            [subviews removeObjectAtIndex:myViewIndex];
-        for (NSView *subview in subviews)
-            [parentView addSubview:subview];
-        [subviews release];
+        NSView *view = qt_mac_nativeview_for(q);
+        NSView *parentView = [view superview];
+        [parentView sortSubviewsUsingFunction:compareViews2Lower context:reinterpret_cast<void *>(view)];
     }
 #else
@@ -3665 +3738 @@
 }
 
+
+
+
+
+
+
+
+
+
+
 void QWidgetPrivate::stackUnder_sys(QWidget *w)
 {
@@ -3673 +3756 @@
 #ifdef QT_MAC_USE_COCOA
     // Do the same trick as lower_sys() and put this widget before the widget passed in.
-    QMacCocoaAutoReleasePool pool;
-    NSView *myview = qt_mac_nativeview_for(q);
+    NSView *myView = qt_mac_nativeview_for(q);
     NSView *wView = qt_mac_nativeview_for(w);
-    NSView *parentView = [myview superview];
-    NSArray *tmpViews = [parentView subviews];
-    NSMutableArray *subviews = [[NSMutableArray alloc] initWithCapacity:[tmpViews count]];
-    [subviews addObjectsFromArray:tmpViews];
-    // Implicit assumption that myViewIndex and wViewIndex is included in subviews,
-    // that's why I'm not checking myViewIndex.
-    NSUInteger index = 0;
-    NSUInteger myViewIndex = 0;
-    NSUInteger wViewIndex = 0;
+
+    QHash<NSView *, int> viewOrder;
+    NSView *parentView = [myView superview];
+    NSArray *subviews = [parentView subviews];
+    NSUInteger index = 1;
+    // make a hash of view->zorderindex and make sure z-value is always odd,
+    // so that when we modify the order we create a new (even) z-value which
+    // will not interfere with others.
     for (NSView *subview in subviews) {
-        [subview removeFromSuperview];
-        if (subview == myview)
-            myViewIndex = index;
-        else if (subview == wView)
-            wViewIndex = index;
+        viewOrder.insert(subview, index * 2);
         ++index;
     }
-
-    index = 0;
-    for (NSView *subview in subviews) {
-        if (index == myViewIndex)
-            continue;
-        if (index == wViewIndex)
-            [parentView addSubview:myview];
-        [parentView addSubview:subview];
-        ++index;
-    }
-    [subviews release];
+    viewOrder[myView] = viewOrder[wView] - 1;
+
+    [parentView sortSubviewsUsingFunction:compareViews2StackUnder context:reinterpret_cast<void *>(&viewOrder)];
 #else
     QWidget *p = q->parentWidget();
@@ -3717 +3786 @@
     Modifies the bounds for a widgets backing HIView during moves and resizes. Also updates the
     widget, either by scrolling its contents or repainting, depending on the WA_StaticContents
-    and QWidgetPrivate::isOpaque flags.
+    
 */
 static void qt_mac_update_widget_posisiton(QWidget *q, QRect oldRect, QRect newRect)
@@ -3734 +3803 @@
     // Perform a normal (complete repaint) update in some cases:
     if (
-        // move-by-scroll requires QWidgetPrivate::isOpaque set
-        (isMove && qd->isOpaque == false) ||
+        // 
+        (isMove) ||
 
         // limited update on resize requires WA_StaticContents.
@@ -3744 +3813 @@
 
         // the position update is a part of a drag-and-drop operation
-        QDragManager::self()->object
+        QDragManager::self()->object || 
+        
+        // we are on Panther (no HIViewSetNeedsDisplayInRect) 
+        QSysInfo::MacintoshVersion < QSysInfo::MV_10_4 
     ){
         HIViewSetFrame(view, &bounds);
@@ -3845 +3917 @@
       X coordinate system for parent (relative to parent's wrect).
     */
-    QRect validRange(-XCOORD_MAX,-XCOORD_MAX, 2*XCOORD_MAX, 2*XCOORD_MAX);
-    QRect wrectRange(-WRECT_MAX,-WRECT_MAX, 2*WRECT_MAX, 2*WRECT_MAX);
     QRect wrect;
     //xrect is the X geometry of my X widget. (starts out in  parent's Qt coord sys, and ends up in parent's X coord sys)
@@ -3868 +3938 @@
                                 tmpRect.size.width, tmpRect.size.height);
         } else {
+
             parentWRect = wrectRange;
         }
@@ -3923 +3994 @@
         }
 
+
         if (!validRange.contains(xrect)) {
             // we are too big, and must clip
-            xrect &=wrectRange;
+            QPoint screenOffset(0, 0); // offset of the part being on screen
+            const QWidget *parentWidget = q->parentWidget();
+            while (parentWidget && !parentWidget->isWindow()) {
+                screenOffset -= parentWidget->data->crect.topLeft();
+                parentWidget = parentWidget->parentWidget();
+            }
+            QRect cropRect(screenOffset.x() - WRECT_MAX,
+                           screenOffset.y() - WRECT_MAX,
+                           2*WRECT_MAX,
+                           2*WRECT_MAX);
+
+            xrect &=cropRect;
             wrect = xrect;
-            wrect.translate(-data.crect.topLeft());
-            //parent's X coord system is equal to parent's Qt coord
-            //sys, so we don't need to map xrect.
-        }
-
+            wrect.translate(-data.crect.topLeft()); // translate wrect in my Qt coordinates
+        }
     }
 
@@ -3971 +4051 @@
     qt_mac_update_widget_posisiton(q, oldRect, xrect);
 
-    if  (jump) {
-        updateSystemBackground();
+    if  (jump)
         q->update();
-    }
+
     if (mapWindow && !dontShow) {
         q->setAttribute(Qt::WA_Mapped);
@@ -3985 +4064 @@
 }
 
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
 void QWidgetPrivate::setGeometry_sys(int x, int y, int w, int h, bool isMove)
 {
@@ -3995 +4121 @@
     QMacCocoaAutoReleasePool pool;
     bool realWindow = isRealWindow();
-    if (realWindow && !(w == 0 && h == 0) && !q->testAttribute(Qt::WA_DontShowOnScreen)) {
-        topData()->isSetGeometry = 1;
-        topData()->isMove = isMove;
-#ifndef QT_MAC_USE_COCOA
-        Rect r; SetRect(&r, x, y, x + w, y + h);
-        SetWindowBounds(qt_mac_window_for(q), kWindowContentRgn, &r);
-#else
+
+    if (realWindow && !q->testAttribute(Qt::WA_DontShowOnScreen)){
+        adjustWithinMaxAndMinSize(w, h);
+#ifndef QT_MAC_USE_COCOA
+        if (w != 0 && h != 0) {
+            topData()->isSetGeometry = 1;
+            topData()->isMove = isMove;
+            Rect r; SetRect(&r, x, y, x + w, y + h);
+            SetWindowBounds(qt_mac_window_for(q), kWindowContentRgn, &r);
+            topData()->isSetGeometry = 0;
+        } else {
+            setGeometry_sys_helper(x, y, w, h, isMove);
+        }
+#else
+        QSize  olds = q->size();
+        const bool isResize = (olds != QSize(w, h));
         NSWindow *window = qt_mac_window_for(q);
         const QRect &fStrut = frameStrut();
@@ -4009 +4144 @@
         NSRect cocoaFrameRect = NSMakeRect(frameRect.x(), flipYCoordinate(frameRect.bottom() + 1),
                                            frameRect.width(), frameRect.height());
-        [window setFrame:cocoaFrameRect display:NO];
-#endif
-        topData()->isSetGeometry = 0;
+        // The setFrame call will trigger a 'windowDidResize' notification for the corresponding
+        // NSWindow. The pending flag is set, so that the resize event can be send as non-spontaneous.
+        if (isResize)
+            q->setAttribute(Qt::WA_PendingResizeEvent);
+        QPoint currTopLeft = data.crect.topLeft();
+        if (currTopLeft.x() == x && currTopLeft.y() == y
+                && cocoaFrameRect.size.width != 0
+                && cocoaFrameRect.size.height != 0) {
+            [window setFrame:cocoaFrameRect display:NO];
+        } else {
+            // The window is moved and resized (or resized to zero).
+            // Since Cocoa usually only sends us a resize callback after
+            // setting a window frame, we issue an explicit move as
+            // well. To stop Cocoa from optimize away the move (since the move
+            // would have the same origin as the setFrame call) we shift the
+            // window back and forth inbetween.
+            cocoaFrameRect.origin.y += 1;
+            [window setFrame:cocoaFrameRect display:NO];
+            cocoaFrameRect.origin.y -= 1;
+            [window setFrameOrigin:cocoaFrameRect.origin];
+        }
+#endif
     } else {
         setGeometry_sys_helper(x, y, w, h, isMove);
@@ -4021 +4175 @@
     Q_Q(QWidget);
     bool realWindow = isRealWindow();
-    if(QWExtra *extra = extraData()) {        // any size restrictions?
-        if(realWindow) {
-            qt_mac_update_sizer(q);
-            if(q->windowFlags() & Qt::WindowMaximizeButtonHint) {
-#ifndef QT_MAC_USE_COCOA
-                OSWindowRef window = qt_mac_window_for(q);
-                if(extra->maxw && extra->maxh && extra->maxw == extra->minw
-                        && extra->maxh == extra->minh) {
-                    ChangeWindowAttributes(window, kWindowNoAttributes, kWindowFullZoomAttribute);
-                } else {
-                    ChangeWindowAttributes(window, kWindowFullZoomAttribute, kWindowNoAttributes);
-                }
-#endif
-            }
-        }
-
-        w = qMin(w,extra->maxw);
-        h = qMin(h,extra->maxh);
-        w = qMax(w,extra->minw);
-        h = qMax(h,extra->minh);
-
-        // Deal with size increment
-        if(QTLWExtra *top = topData()) {
-            if(top->incw) {
-                w = w/top->incw;
-                w *= top->incw;
-            }
-            if(top->inch) {
-                h = h/top->inch;
-                h *= top->inch;
-            }
-        }
-    }
-
-    if (realWindow) {
-        w = qMax(0, w);
-        h = qMax(0, h);
-    }
 
     QPoint oldp = q->pos();
     QSize  olds = q->size();
     const bool isResize = (olds != QSize(w, h));
-    if(!realWindow && !isResize && QPoint(x, y) == oldp)
+
+    if (!realWindow && !isResize && QPoint(x, y) == oldp)
         return;
-    if(isResize && q->isMaximized())
+
+    if (isResize)
         data.window_state = data.window_state & ~Qt::WindowMaximized;
+
     const bool visible = q->isVisible();
     data.crect = QRect(x, y, w, h);
 
-    if(realWindow) {
-        if(QWExtra *extra = extraData()) { //set constraints
-            const float max_f(20000);
-#ifndef QT_MAC_USE_COCOA
-#define SF(x) ((x > max_f) ? max_f : x)
-            HISize max = CGSizeMake(SF(extra->maxw), SF(extra->maxh));
-            HISize min = CGSizeMake(SF(extra->minw), SF(extra->minh));
-#undef SF
-            SetWindowResizeLimits(qt_mac_window_for(q), &min, &max);
-#else
-#define SF(x) ((x > max_f) ? max_f : x)
-            NSSize max = NSMakeSize(SF(extra->maxw), SF(extra->maxh));
-            NSSize min = NSMakeSize(SF(extra->minw), SF(extra->minh));
-#undef SF
-            [qt_mac_window_for(q) setMinSize:min];
-            [qt_mac_window_for(q) setMaxSize:max];
-#endif
-        }
-#ifndef QT_MAC_USE_COCOA
+    if (realWindow) {
+        adjustWithinMaxAndMinSize(w, h);
+        qt_mac_update_sizer(q);
+
+#ifndef QT_MAC_USE_COCOA
+        if (q->windowFlags() & Qt::WindowMaximizeButtonHint) {
+            OSWindowRef window = qt_mac_window_for(q);
+            if (extra->maxw && extra->maxh && extra->maxw == extra->minw
+                    && extra->maxh == extra->minh) {
+                ChangeWindowAttributes(window, kWindowNoAttributes, kWindowFullZoomAttribute);
+            } else {
+                ChangeWindowAttributes(window, kWindowFullZoomAttribute, kWindowNoAttributes);
+            }
+        }
         HIRect bounds = CGRectMake(0, 0, w, h);
         HIViewSetFrame(qt_mac_nativeview_for(q), &bounds);
@@ -4101 +4215 @@
         if (isResize && QApplicationPrivate::graphicsSystem()) {
             invalidateBuffer(q->rect());
-            if (extra && !extra->mask.isEmpty()) {
+            if (extra && !extra->mask.isEmpty()) {
                 QRegion oldRegion(extra->mask.translated(oldp));
                 oldRegion &= oldRect;
                 q->parentWidget()->d_func()->invalidateBuffer(oldRegion);
             } else {
-                q->parentWidget()->d_func()->invalidateBuffer(oldRect);
+                q->parentWidget()->d_func()->invalidateBuffer();
             }
         }
@@ -4134 +4248 @@
 {
     updateMaximizeButton_sys();
+
 }
 
@@ -4228 +4343 @@
                                                    w->data->crect.width(), w->data->crect.height());
                         HIViewRef hiview = qt_mac_nativeview_for(w);
-                        const bool opaque = qt_widget_private(w)->isOpaque;
+                        const bool opaque = q;
 
                         if (opaque)
@@ -4259 +4374 @@
 #ifndef QT_MAC_USE_COCOA
     HIRect scrollrect = CGRectMake(r.x(), r.y(), r.width(), r.height());
-#  if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
-   if (QSysInfo::MacintoshVersion >= QSysInfo::MV_10_4) {
-       OSStatus err = _HIViewScrollRectWithOptions(view, valid_rect ? &scrollrect : 0, dx, dy, kHIViewScrollRectAdjustInvalid);
-       if (err) {
-           // The only parameter that can go wrong, is the rect.
-           qWarning("QWidget::scroll: Your rectangle was too big for the widget, clipping rect");
-           scrollrect = CGRectMake(qMax(r.x(), 0), qMax(r.y(), 0),
-                                   qMin(r.width(), q->width()), qMin(r.height(), q->height()));
-           _HIViewScrollRectWithOptions(view, valid_rect ? &scrollrect : 0, dx, dy, kHIViewScrollRectAdjustInvalid);
-       }
-   } else {
-       if (HIViewGetNeedsDisplay(view)) {
-           q->update(valid_rect ? r : q->rect());
-           return;
-       }
-       HIRect scrollrect = CGRectMake(r.x(), r.y(), r.width(), r.height());
-       OSStatus err = HIViewScrollRect(view, valid_rect ? &scrollrect : 0, dx, dy);
-       if (err) {
-           // The only parameter that can go wrong, is the rect.
-           qWarning("QWidget::scroll: Your rectangle was too big for the widget, clipping rect");
-           scrollrect = CGRectMake(qMax(r.x(), 0), qMax(r.y(), 0),
-                   qMin(r.width(), q->width()), qMin(r.height(), q->height()));
-           HIViewScrollRect(view, valid_rect ? &scrollrect : 0, dx, dy);
-       }
+   OSStatus err = _HIViewScrollRectWithOptions(view, valid_rect ? &scrollrect : 0, dx, dy, kHIViewScrollRectAdjustInvalid);
+   if (err) {
+       // The only parameter that can go wrong, is the rect.
+       qWarning("QWidget::scroll: Your rectangle was too big for the widget, clipping rect");
+       scrollrect = CGRectMake(qMax(r.x(), 0), qMax(r.y(), 0),
+                               qMin(r.width(), q->width()), qMin(r.height(), q->height()));
+       _HIViewScrollRectWithOptions(view, valid_rect ? &scrollrect : 0, dx, dy, kHIViewScrollRectAdjustInvalid);
    }
-#  endif
 #else
     NSRect scrollRect = valid_rect ? NSMakeRect(r.x(), r.y(), r.width(), r.height())
@@ -4312 +4409 @@
     }
 
-    // ### Scroll the dirty regions as well, the following is not correct.
-    QRegion displayRegion = r.isNull() ? dirtyOnWidget : (dirtyOnWidget & r);
-    const QVector<QRect> &rects = dirtyOnWidget.rects();
-    const QVector<QRect>::const_iterator end = rects.end();
-    QVector<QRect>::const_iterator it = rects.begin();
-    while (it != end) {
-         const QRect rect = *it;
-         const NSRect dirtyRect = NSMakeRect(rect.x() + dx, rect.y() + dy,
-                                             rect.width(), rect.height());
-         [view setNeedsDisplayInRect:dirtyRect];
-         ++it;
-    }
-    [view scrollRect:scrollRect by:NSMakeSize(dx, dy)];
-    // Yes, we potentially send a duplicate area, but I think Cocoa can handle it.
+    NSSize deltaSize = NSMakeSize(dx, dy);
+    [view translateRectsNeedingDisplayInRect:scrollRect by:deltaSize];
+    [view scrollRect:scrollRect by:deltaSize];
     [view setNeedsDisplayInRect:deltaXRect];
     [view setNeedsDisplayInRect:deltaYRect];
@@ -4395 +4481 @@
 void QWidgetPrivate::createTLSysExtra()
 {
+
+
+
+
     extra->topextra->wclass = 0;
     extra->topextra->group = 0;
     extra->topextra->windowIcon = 0;
-    extra->topextra->resizer = 0;
-    extra->topextra->isSetGeometry = 0;
     extra->topextra->savedWindowAttributesFromMaximized = 0;
 }
@@ -4406 +4494 @@
 {
 #ifndef QT_MAC_USE_COCOA
-    if(extra->topextra->group) {
+    if(extra->topextra->group) {
         qt_mac_release_window_group(extra->topextra->group);
         extra->topextra->group = 0;
+
+
+
+
     }
 #endif
@@ -4448 +4540 @@
 #else
     NSView *view = qt_mac_nativeview_for(q);
-    if ([view isKindOfClass:[QT_MANGLE_NAMESPACE(QCocoaView) class]]) {
-        [static_cast<QT_MANGLE_NAMESPACE(QCocoaView) *>(view) registerDragTypes:on];
-    }
+    if (on && [view isKindOfClass:[QT_MANGLE_NAMESPACE(QCocoaView) class]]) {
+        [static_cast<QT_MANGLE_NAMESPACE(QCocoaView) *>(view) registerDragTypes];
+    }
+#endif
+}
+
+void QWidgetPrivate::registerTouchWindow()
+{
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
+    if (QSysInfo::MacintoshVersion < QSysInfo::MV_10_6)
+        return;
+    Q_Q(QWidget);
+    if (!q->testAttribute(Qt::WA_WState_Created))
+        return;
+#ifndef QT_MAC_USE_COCOA
+    // Needs implementation!
+#else
+    NSView *view = qt_mac_nativeview_for(q);
+    [view setAcceptsTouchEvents:YES];
+#endif
 #endif
 }
@@ -4474 +4583 @@
 }
 
-extern "C" {
-    typedef struct CGSConnection *CGSConnectionRef;
-    typedef struct CGSWindow *CGSWindowRef;
-    extern OSStatus CGSSetWindowAlpha(CGSConnectionRef, CGSWindowRef, float);
-    extern CGSWindowRef GetNativeWindowFromWindowRef(WindowRef);
-    extern CGSConnectionRef _CGSDefaultConnection();
-}
-
 void QWidgetPrivate::setWindowOpacity_sys(qreal level)
 {
@@ -4494 +4595 @@
         return;
 
+
 #if QT_MAC_USE_COCOA
-    OSWindowRef oswindow = qt_mac_window_for(q);
     [oswindow setAlphaValue:level];
 #else
-    CGSSetWindowAlpha(_CGSDefaultConnection(),
-                      GetNativeWindowFromWindowRef(qt_mac_window_for(q)), level);
+    SetWindowAlpha(oswindow, level);
 #endif
 }
@@ -4571 +4671 @@
 {
     QPaintEngine *&pe = engineHandler()->engine;
-#ifdef QT_RASTER_PAINTENGINE
-    if (!pe) {
-        if(qgetenv("QT_MAC_USE_COREGRAPHICS").isNull())
-            pe = new QRasterPaintEngine();
-        else
-            pe = new QCoreGraphicsPaintEngine();
-    }
-    if (pe->isActive()) {
-        QPaintEngine *engine =
-            qgetenv("QT_MAC_USE_COREGRAPHICS").isNull()
-            ? (QPaintEngine*)new QRasterPaintEngine() : (QPaintEngine*)new QCoreGraphicsPaintEngine();
-        engine->setAutoDestruct(true);
-        return engine;
-    }
-#else
     if (!pe)
         pe = new QCoreGraphicsPaintEngine();
@@ -4593 +4678 @@
         return engine;
     }
-#endif
     return pe;
 }
@@ -4607 +4691 @@
 
 #ifdef QT_MAC_USE_COCOA
+
     bool alreadySheet = [windowRef styleMask] & NSDocModalWindowMask;
 
@@ -4683 +4768 @@
             // Window should be window-modal (which implies a sheet).
             if (old_wclass != kSheetWindowClass){
-                // We cannot convert a created window to a sheet. So we recreate the window:
+                // We cannot convert a created window to a sheet.
+                // So we recreate the window:
                 recreateMacWindow();
                 return;
             }
-        } else if (!(q->data->window_flags & Qt::CustomizeWindowHint)) {
-            if (old_wclass == kDocumentWindowClass || old_wclass == kFloatingWindowClass || old_wclass == kUtilityWindowClass){
-                // Only change the class to kMovableModalWindowClass if the no explicit jewels
-                // are set (kMovableModalWindowClass can't contain them), and the current window class
-                // can be converted to modal (according to carbon doc). Mind the order of
-                // HIWindowChangeClass and ChangeWindowAttributes.
-                WindowGroupRef group = GetWindowGroup(windowRef);
-                HIWindowChangeClass(windowRef, kMovableModalWindowClass);
-                quint32 tmpWattr = kWindowCloseBoxAttribute | kWindowHorizontalZoomAttribute;
-                ChangeWindowAttributes(windowRef, tmpWattr, kWindowNoAttributes);
-                ChangeWindowAttributes(windowRef, kWindowNoAttributes, tmpWattr);
-                // If the window belongs to a qt-created group, set that group once more:
-                if (data.window_flags & Qt::WindowStaysOnTopHint
-                        || q->windowType() == Qt::Popup
-                        || q->windowType() == Qt::ToolTip)
-                    SetWindowGroup(windowRef, group);
-            }
-            // Popups are usually handled "special" and are never modal.
-            Qt::WindowType winType = q->windowType();
-            if (winType != Qt::Popup && winType != Qt::ToolTip)
-                SetWindowModality(windowRef, kWindowModalityAppModal, 0);
+        } else {
+            // Window should be application-modal (which implies NOT using a sheet).
+            if (old_wclass == kSheetWindowClass){
+                // We cannot convert a sheet to a window.
+                // So we recreate the window:
+                recreateMacWindow();
+                return;
+            } else if (!(q->data->window_flags & Qt::CustomizeWindowHint)) {
+                if (old_wclass == kDocumentWindowClass || old_wclass == kFloatingWindowClass || old_wclass == kUtilityWindowClass){
+                    // Only change the class to kMovableModalWindowClass if the no explicit jewels
+                    // are set (kMovableModalWindowClass can't contain them), and the current window class
+                    // can be converted to modal (according to carbon doc). Mind the order of
+                    // HIWindowChangeClass and ChangeWindowAttributes.
+                    WindowGroupRef group = GetWindowGroup(windowRef);
+                    HIWindowChangeClass(windowRef, kMovableModalWindowClass);
+                    quint32 tmpWattr = kWindowCloseBoxAttribute | kWindowHorizontalZoomAttribute;
+                    ChangeWindowAttributes(windowRef, tmpWattr, kWindowNoAttributes);
+                    ChangeWindowAttributes(windowRef, kWindowNoAttributes, tmpWattr);
+                    // If the window belongs to a qt-created group, set that group once more:
+                    if (data.window_flags & Qt::WindowStaysOnTopHint
+                            || q->windowType() == Qt::Popup
+                            || q->windowType() == Qt::ToolTip)
+                        SetWindowGroup(windowRef, group);
+                }
+                // Popups are usually handled "special" and are never modal.
+                Qt::WindowType winType = q->windowType();
+                if (winType != Qt::Popup && winType != Qt::ToolTip)
+                    SetWindowModality(windowRef, kWindowModalityAppModal, 0);
+            }
         }
     } else if (windowRef) {
@@ -4843 +4937 @@
                 layout->updateHIToolBarStatus();
             ChangeWindowAttributes(qt_mac_window_for(q), kWindowMetalAttribute, 0);
-            if (QSysInfo::MacintoshVersion >= QSysInfo::MV_10_4)
-                ChangeWindowAttributes(qt_mac_window_for(q), kWindowMetalNoContentSeparatorAttribute, 0);
+            ChangeWindowAttributes(qt_mac_window_for(q), kWindowMetalNoContentSeparatorAttribute, 0);
         } else {
-            if (QSysInfo::MacintoshVersion >= QSysInfo::MV_10_4)
-                ChangeWindowAttributes(qt_mac_window_for(q), 0, kWindowMetalNoContentSeparatorAttribute);
+            ChangeWindowAttributes(qt_mac_window_for(q), 0, kWindowMetalNoContentSeparatorAttribute);
             ChangeWindowAttributes(qt_mac_window_for(q), 0, kWindowMetalAttribute);
             if (layout)