1 files changed, 113 insertions, 67 deletions

diff --git a/src/gui/kernel/qwidget_mac.mm b/src/gui/kernel/qwidget_mac.mm
index 3dbc843..3ff46f5 100644
--- a/src/gui/kernel/qwidget_mac.mm
+++ b/src/gui/kernel/qwidget_mac.mm
@@ -1898,13 +1898,15 @@ void QWidgetPrivate::determineWindowClass()
         wclass = kDocumentWindowClass;
     else if(popup || (QSysInfo::MacintoshVersion >= QSysInfo::MV_10_5 && type == Qt::SplashScreen))
         wclass = kModalWindowClass;
-    else if(q->testAttribute(Qt::WA_ShowModal) || type == Qt::Dialog)
+    else if(type == Qt::Dialog)
         wclass = kMovableModalWindowClass;
     else if(type == Qt::ToolTip)
         wclass = kHelpWindowClass;
     else if(type == Qt::Tool || (QSysInfo::MacintoshVersion < QSysInfo::MV_10_5
                                  && type == Qt::SplashScreen))
         wclass = kFloatingWindowClass;
+    else if(q->testAttribute(Qt::WA_ShowModal))
+        wclass = kMovableModalWindowClass;
     else
         wclass = kDocumentWindowClass;
 
@@ -2008,8 +2010,6 @@ void QWidgetPrivate::determineWindowClass()
         for(int i = 0; tmp_wattr && known_attribs[i].name; i++) {
             if((tmp_wattr & known_attribs[i].tag) == known_attribs[i].tag) {
                 tmp_wattr ^= known_attribs[i].tag;
-                qDebug("Qt: internal: * %s %s", known_attribs[i].name,
-                        (GetAvailableWindowAttributes(wclass) & known_attribs[i].tag) ? "" : "(*)");
             }
         }
         if(tmp_wattr)
@@ -2204,6 +2204,41 @@ void QWidgetPrivate::finishCreateWindow_sys_Carbon(OSWindowRef windowRef)
     applyMaxAndMinSizeOnWindow();
 }
 #else  // QT_MAC_USE_COCOA
+
+void QWidgetPrivate::setWindowLevel()
+{
+    Q_Q(QWidget);
+    const QWidget * const windowParent = q->window()->parentWidget();
+    const QWidget * const primaryWindow = windowParent ? windowParent->window() : 0;
+    NSInteger winLevel = -1;
+
+    if (q->windowType() == Qt::Popup) {
+        winLevel = NSPopUpMenuWindowLevel;
+        // Popup should be in at least the same level as its parent.
+        if (primaryWindow) {
+            OSWindowRef parentRef = qt_mac_window_for(primaryWindow);
+            winLevel = qMax([parentRef level], winLevel);
+        }
+    } else if (q->windowType() == Qt::Tool) {
+        winLevel = NSFloatingWindowLevel;
+    } else if (q->windowType() == Qt::Dialog) {
+        // Correct modality level (NSModalPanelWindowLevel) will be
+        // set by cocoa when creating a modal session later.
+        winLevel = NSNormalWindowLevel;
+    }
+
+    // StayOnTop window should appear above Tool windows.
+    if (data.window_flags & Qt::WindowStaysOnTopHint)
+        winLevel = NSPopUpMenuWindowLevel;
+    // Tooltips should appear above StayOnTop windows.
+    if (q->windowType() == Qt::ToolTip)
+        winLevel = NSScreenSaverWindowLevel;
+    // All other types are Normal level.
+    if (winLevel == -1)
+        winLevel = NSNormalWindowLevel;
+    [qt_mac_window_for(q) setLevel:winLevel];
+}
+
 void QWidgetPrivate::finishCreateWindow_sys_Cocoa(void * /*NSWindow * */ voidWindowRef)
 {
     Q_Q(QWidget);
@@ -2276,6 +2311,10 @@ void QWidgetPrivate::finishCreateWindow_sys_Cocoa(void * /*NSWindow * */ voidWin
         q->setAttribute(Qt::WA_WState_WindowOpacitySet, false);
     }
 
+    if (qApp->overrideCursor())
+        [windowRef disableCursorRects];
+
+    setWindowLevel();
     macUpdateHideOnSuspend();
     macUpdateOpaqueSizeGrip();
     macUpdateIgnoreMouseEvents();
@@ -2706,6 +2745,35 @@ void QWidgetPrivate::transferChildren()
     }
 }
 
+#ifdef QT_MAC_USE_COCOA
+void QWidgetPrivate::setSubWindowStacking(bool set)
+{
+    Q_Q(QWidget);
+    if (!q->isWindow() || !q->testAttribute(Qt::WA_WState_Created))
+        return;
+
+    if (QWidget *parent = q->parentWidget()) {
+        if (parent->testAttribute(Qt::WA_WState_Created)) {
+            if (set)
+                [qt_mac_window_for(parent) addChildWindow:qt_mac_window_for(q) ordered:NSWindowAbove];
+            else
+                [qt_mac_window_for(parent) removeChildWindow:qt_mac_window_for(q)];
+        }
+    }
+
+    QList<QWidget *> widgets = q->findChildren<QWidget *>();
+    for (int i=0; i<widgets.size(); ++i) {
+        QWidget *child = widgets.at(i);
+        if (child->isWindow() && child->testAttribute(Qt::WA_WState_Created)) {
+            if (set)
+                [qt_mac_window_for(q) addChildWindow:qt_mac_window_for(child) ordered:NSWindowAbove];
+            else
+                [qt_mac_window_for(q) removeChildWindow:qt_mac_window_for(child)];
+        }
+    }
+}
+#endif
+
 void QWidgetPrivate::setParent_sys(QWidget *parent, Qt::WindowFlags f)
 {
     Q_Q(QWidget);
@@ -2860,7 +2928,6 @@ void QWidgetPrivate::setParent_sys(QWidget *parent, Qt::WindowFlags f)
             current = current->parentWidget();
         }
     }
-
     invalidateBuffer(q->rect());
     qt_event_request_window_change(q);
 }
@@ -3322,13 +3389,23 @@ void QWidgetPrivate::show_sys()
 #else
             // sync the opacity value back (in case of a fade).
             [window setAlphaValue:q->windowOpacity()];
-            [window makeKeyAndOrderFront:window];
-
-            // If this window is app modal, we need to start spinning
-            // a modal session for it. Interrupting
-            // the event dispatcher will make this happend:
-            if (data.window_modality == Qt::ApplicationModal)
-                QEventDispatcherMac::instance()->interrupt();
+            setSubWindowStacking(true);
+
+            QWidget *top = 0;
+            if (QApplicationPrivate::tryModalHelper(q, &top)) {
+                [window makeKeyAndOrderFront:window];
+                // If this window is app modal, we need to start spinning
+                // a modal session for it. Interrupting
+                // the event dispatcher will make this happend:
+                if (data.window_modality == Qt::ApplicationModal)
+                    QEventDispatcherMac::instance()->interrupt();
+            } else {
+                // The window is modally shaddowed, so we need to make
+                // sure that we don't pop in front of the modal window:
+                [window orderFront:window];
+                if (NSWindow *modalWin = qt_mac_window_for(top))
+                    [modalWin orderFront:window];
+            }
 #endif
             if (q->windowType() == Qt::Popup) {
 			    if (q->focusWidget())
@@ -3347,8 +3424,6 @@ void QWidgetPrivate::show_sys()
         } else if (!q->testAttribute(Qt::WA_ShowWithoutActivating)) {
 #ifndef QT_MAC_USE_COCOA
             qt_event_request_activate(q);
-#else
-            [qt_mac_window_for(q) makeKeyWindow];
 #endif
         }
     } else if(topData()->embedded || !q->parentWidget() || q->parentWidget()->isVisible()) {
@@ -3391,6 +3466,9 @@ void QWidgetPrivate::hide_sys()
 
     QMacCocoaAutoReleasePool pool;
     if(q->isWindow()) {
+#ifdef QT_MAC_USE_COCOA
+        setSubWindowStacking(false);
+#endif
         OSWindowRef window = qt_mac_window_for(q);
         if(qt_mac_is_macsheet(q)) {
 #ifndef QT_MAC_USE_COCOA
@@ -3456,12 +3534,15 @@ void QWidgetPrivate::hide_sys()
             }
 #endif
         }
-        if(q->isActiveWindow() && !(q->windowType() == Qt::Popup)) {
+#ifndef QT_MAC_USE_COCOA
+        // If the window we now hide was the active window, we need
+        // to find, and activate another window on screen. NB: Cocoa takes care of this
+        // logic for us (and distinquishes between main windows and key windows)
+        if (q->isActiveWindow() && !(q->windowType() == Qt::Popup)) {
             QWidget *w = 0;
             if(q->parentWidget())
                 w = q->parentWidget()->window();
             if(!w || (!w->isVisible() && !w->isMinimized())) {
-#ifndef QT_MAC_USE_COCOA
                 for (WindowPtr wp = GetFrontWindowOfClass(kMovableModalWindowClass, true);
                     wp; wp = GetNextWindowOfClass(wp, kMovableModalWindowClass, true)) {
                     if((w = qt_mac_find_window(wp)))
@@ -3481,24 +3562,12 @@ void QWidgetPrivate::hide_sys()
                             break;
                     }
                 }
-#else
-                NSArray *windows = [NSApp windows];
-                NSUInteger totalWindows = [windows count];
-                for (NSUInteger i = 0; i < totalWindows; ++i) {
-                    OSWindowRef wp = [windows objectAtIndex:i];
-                    if ((w = qt_mac_find_window(wp)))
-                        break;
-                }
-#endif
             }
             if(w && w->isVisible() && !w->isMinimized()) {
-#ifndef QT_MAC_USE_COCOA
-            qt_event_request_activate(w);
-#else
-            [qt_mac_window_for(w) makeKeyWindow];
-#endif
+                qt_event_request_activate(w);
             }
         }
+#endif
     } else {
          invalidateBuffer(q->rect());
 #ifndef QT_MAC_USE_COCOA
@@ -3510,6 +3579,8 @@ void QWidgetPrivate::hide_sys()
 
     if (!QWidget::mouseGrabber()){
         QWidget *enterWidget = QApplication::widgetAt(QCursor::pos());
+        if (enterWidget && enterWidget->data->in_destructor)
+            enterWidget = 0;
         QApplicationPrivate::dispatchEnterLeave(enterWidget, qt_mouseover);
         qt_mouseover = enterWidget;
     }
@@ -4584,9 +4655,12 @@ void QWidgetPrivate::registerDropSite(bool on)
 #ifndef QT_MAC_USE_COCOA
     SetControlDragTrackingEnabled(qt_mac_nativeview_for(q), on);
 #else
-    NSView *view = qt_mac_nativeview_for(q);
-    if (on && [view isKindOfClass:[QT_MANGLE_NAMESPACE(QCocoaView) class]]) {
-        [static_cast<QT_MANGLE_NAMESPACE(QCocoaView) *>(view) registerDragTypes];
+    NSWindow *win = qt_mac_window_for(q);
+    if (on) {
+        if ([win isKindOfClass:[QT_MANGLE_NAMESPACE(QCocoaWindow) class]])
+            [static_cast<QT_MANGLE_NAMESPACE(QCocoaWindow) *>(win) registerDragTypes];
+        else if ([win isKindOfClass:[QT_MANGLE_NAMESPACE(QCocoaPanel) class]])
+            [static_cast<QT_MANGLE_NAMESPACE(QCocoaPanel) *>(win) registerDragTypes];
     }
 #endif
 }
@@ -4740,7 +4814,7 @@ void QWidgetPrivate::setModal_sys()
     bool alreadySheet = [windowRef styleMask] & NSDocModalWindowMask;
 
     if (windowParent && q->windowModality() == Qt::WindowModal){
-        // Window should be window-modal, which implies a sheet.
+        // INVARIANT: Window should be window-modal (which implies a sheet).
         if (!alreadySheet) {
             // NB: the following call will call setModal_sys recursivly:
             recreateMacWindow();
@@ -4757,47 +4831,19 @@ void QWidgetPrivate::setModal_sys()
                 [static_cast<NSPanel *>(windowRef) setWorksWhenModal:YES];
         }
     } else {
-        // Window shold not be window-modal, and as such, not a sheet.
+        // INVARIANT: Window shold _not_ be window-modal (and as such, not a sheet).
         if (alreadySheet){
             // NB: the following call will call setModal_sys recursivly:
             recreateMacWindow();
             windowRef = qt_mac_window_for(q);
         }
-        if (q->windowModality() == Qt::ApplicationModal) {
-            [windowRef setLevel:NSModalPanelWindowLevel];
-        } else if (primaryWindow && primaryWindow->windowModality() == Qt::ApplicationModal) {
-            // INVARIANT: Our window is a dialog that has a dialog parent that is
-            // application modal, or . This means that q is supposed to be on top of this
-            // dialog and not be modally shaddowed:
-            [windowRef setLevel:NSModalPanelWindowLevel];
+        if (q->windowModality() == Qt::NonModal
+            && primaryWindow && primaryWindow->windowModality() == Qt::ApplicationModal) {
+            // INVARIANT: Our window has a parent that is application modal.
+            // This means that q is supposed to be on top of this window and
+            // not be modally shaddowed:
             if ([windowRef isKindOfClass:[NSPanel class]])
                 [static_cast<NSPanel *>(windowRef) setWorksWhenModal:YES];
-        } else {
-            // INVARIANT: q should not be modal.
-            NSInteger winLevel = -1;
-            if (q->windowType() == Qt::Popup) {
-                winLevel = NSPopUpMenuWindowLevel;
-                // Popup should be in at least the same level as its parent.
-                if (primaryWindow) {
-                    OSWindowRef parentRef = qt_mac_window_for(primaryWindow);
-                    winLevel = qMax([parentRef level], winLevel);
-                }
-            } else if (q->windowType() == Qt::Tool) {
-                winLevel = NSFloatingWindowLevel;
-            } else if (q->windowType() == Qt::Dialog) {
-                winLevel = NSModalPanelWindowLevel;
-            }
-
-            // StayOnTop window should appear above Tool windows.
-            if (data.window_flags & Qt::WindowStaysOnTopHint)
-                winLevel = NSPopUpMenuWindowLevel;
-            // Tooltips should appear above StayOnTop windows.
-            if (q->windowType() == Qt::ToolTip)
-                winLevel = NSScreenSaverWindowLevel;
-            // All other types are Normal level.
-            if (winLevel == -1)
-                winLevel = NSNormalWindowLevel;
-            [windowRef setLevel:winLevel];
         }
     }