Changeset 846 for trunk/src/gui/kernel/qapplication_mac.mm

Timestamp:

May 5, 2011, 5:36:53 AM (14 years ago)

Author:

Dmitry A. Kuminov

Message:

trunk: Merged in qt 4.7.2 sources from branches/vendor/nokia/qt.

Location:

trunk

Files:

• . (modified) (1 prop)
• src/gui/kernel/qapplication_mac.mm (modified) (13 diffs)

trunk/src/gui/kernel/qapplication_mac.mm

@@ -1 +1 @@
 /****************************************************************************
 **
-** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
@@ -185 +185 @@
 static bool qt_mac_collapse_on_dblclick = true;
 extern int qt_antialiasing_threshold; // from qapplication.cpp
-QPointer<QWidget> qt_button_down;                // widget got last button-down
+QWidget * qt_button_down;                // widget got last button-down
+QPointer<QWidget> qt_last_mouse_receiver;
 #ifndef QT_MAC_USE_COCOA
 static bool qt_button_down_in_content; // whether the button_down was in the content area.
@@ -737 +738 @@
 static void qt_mac_update_child_gl_widgets(QWidget *widget)
 {
-    if (widget->isWindow())
-        return;
-
     // Update all OpenGL child widgets for the given widget.
     QList<QWidgetPrivate::GlWidgetInfo> &glWidgets = qt_widget_private(widget)->glWidgets;
@@ -1221 +1219 @@
 
 #endif
-        if (!app_proc_ae_handlerUPP) {
+        if (!app_proc_ae_handlerUPP && !QApplication::testAttribute(Qt::AA_MacPluginApplication)) {
             app_proc_ae_handlerUPP = AEEventHandlerUPP(QApplicationPrivate::globalAppleEventProcessor);
-            for(uint i = 0; i < sizeof(app_apple_events) / sizeof(QMacAppleEventTypeSpec); ++i)
-                AEInstallEventHandler(app_apple_events[i].mac_class, app_apple_events[i].mac_id,
-                        app_proc_ae_handlerUPP, SRefCon(qApp), false);
+            for(uint i = 0; i < sizeof(app_apple_events) / sizeof(QMacAppleEventTypeSpec); ++i) {
+                // Install apple event handler, but avoid overwriting an already
+                // existing handler (it means a 3rd party application has installed one):
+                SRefCon refCon = 0;
+                AEEventHandlerUPP current_handler = NULL;
+                AEGetEventHandler(app_apple_events[i].mac_class, app_apple_events[i].mac_id, &current_handler, &refCon, false);
+                if (!current_handler)
+                    AEInstallEventHandler(app_apple_events[i].mac_class, app_apple_events[i].mac_id,
+                            app_proc_ae_handlerUPP, SRefCon(qApp), false);
+            }
         }
 
@@ -1238 +1243 @@
     // Cocoa application delegate
 #ifdef QT_MAC_USE_COCOA
-    NSApplication *cocoaApp = [NSApplication sharedApplication];
+    NSApplication *cocoaApp = [QNSApplication sharedApplication];
     QMacCocoaAutoReleasePool pool;
     NSObject *oldDelegate = [cocoaApp delegate];
@@ -1259 +1264 @@
         [newDelegate setMenuLoader:qtMenuLoader];
         [qtMenuLoader release];
-
-        NSAppleEventManager *eventManager = [NSAppleEventManager sharedAppleEventManager];
-        [eventManager setEventHandler:newDelegate andSelector:@selector(getUrl:withReplyEvent:)
-          forEventClass:kInternetEventClass andEventID:kAEGetURL];
     }
 #endif
@@ -1362 +1363 @@
   QApplication cursor stack
  *****************************************************************************/
+#ifdef QT_MAC_USE_COCOA
+void QApplicationPrivate::disableUsageOfCursorRects(bool disable)
+{
+    // In Cocoa there are two competing ways of setting the cursor; either
+    // by using cursor rects (see qcocoaview_mac.mm), or by pushing/popping
+    // the cursor manually. When we use override cursors, it makes most sense
+    // to use the latter. But then we need to tell cocoa to stop using the
+    // first approach so it doesn't change the cursor back when hovering over
+    // a cursor rect:
+    QWidgetList topLevels = qApp->topLevelWidgets();
+    for (int i=0; i<topLevels.size(); ++i) {
+        if (NSWindow *window = qt_mac_window_for(topLevels.at(i)))
+            disable ? [window disableCursorRects] : [window enableCursorRects];
+    }
+}
+
+void QApplicationPrivate::updateOverrideCursor()
+{
+    // Sometimes Cocoa forgets that we have set a Cursor
+    // manually. In those cases, remind it again:
+    if (QCursor *override = qApp->overrideCursor())
+        [static_cast<NSCursor *>(qt_mac_nsCursorForQCursor(*override)) set];
+}
+#endif
+
 void QApplication::setOverrideCursor(const QCursor &cursor)
 {
@@ -1368 +1394 @@
 #ifdef QT_MAC_USE_COCOA
     QMacCocoaAutoReleasePool pool;
+    if (qApp->d_func()->cursor_list.size() == 1)
+        qApp->d_func()->disableUsageOfCursorRects(true);
     [static_cast<NSCursor *>(qt_mac_nsCursorForQCursor(cursor)) push];
 #else
@@ -1384 +1412 @@
     QMacCocoaAutoReleasePool pool;
     [NSCursor pop];
+    if (qApp->d_func()->cursor_list.isEmpty())
+        qApp->d_func()->disableUsageOfCursorRects(false);
 #else
     if (qApp && qApp->activeWindow()) {
@@ -1727 +1757 @@
             // As a results of this, and to make sure we dont't receive duplicate events,
             // we try to detect when this happend by checking the 'compatibilityEvent'.
+            // Since delta is delivered as pixels rather than degrees, we need to
+            // convert from pixels to degrees in a sensible manner.
+            // It looks like 1/4 degrees per pixel behaves most native.
+            // (NB: Qt expects the unit for delta to be 8 per degree):
+            const int pixelsToDegrees = 2;
             SInt32 mdelt = 0;
             GetEventParameter(event, kEventParamMouseWheelSmoothHorizontalDelta, typeSInt32, 0,
                               sizeof(mdelt), 0, &mdelt);
-            wheel_deltaX = mdelt;
+            wheel_deltaX = mdelt * pixelsToDegrees;
             mdelt = 0;
             GetEventParameter(event, kEventParamMouseWheelSmoothVerticalDelta, typeSInt32, 0,
                               sizeof(mdelt), 0, &mdelt);
-            wheel_deltaY = mdelt;
+            wheel_deltaY = mdelt * pixelsToDegrees;
             GetEventParameter(event, kEventParamEventRef, typeEventRef, 0,
                               sizeof(compatibilityEvent), 0, &compatibilityEvent);
@@ -2409 +2444 @@
             if(!handled_event) {
                 if(cmd.commandID == kHICommandQuit) {
-                    handled_event = true;
-                    HiliteMenu(0);
-                    bool handle_quit = true;
-                    if(QApplicationPrivate::modalState()) {
-                        int visible = 0;
-                        const QWidgetList tlws = QApplication::topLevelWidgets();
-                        for(int i = 0; i < tlws.size(); ++i) {
-                            if(tlws.at(i)->isVisible())
-                                ++visible;
+                    // Quitting the application is not Qt's responsibility if
+                    // used in a plugin or just embedded into a native application.
+                    // In that case, let the event pass down to the native apps event handler.
+                    if (!QApplication::testAttribute(Qt::AA_MacPluginApplication)) {
+                        handled_event = true;
+                        HiliteMenu(0);
+                        bool handle_quit = true;
+                        if(QApplicationPrivate::modalState()) {
+                            int visible = 0;
+                            const QWidgetList tlws = QApplication::topLevelWidgets();
+                            for(int i = 0; i < tlws.size(); ++i) {
+                                if(tlws.at(i)->isVisible())
+                                    ++visible;
+                            }
+                            handle_quit = (visible <= 1);
                         }
-                        handle_quit = (visible <= 1);
-                    }
-                    if(handle_quit) {
-                        QCloseEvent ev;
-                        QApplication::sendSpontaneousEvent(app, &ev);
-                        if(ev.isAccepted())
-                            app->quit();
-                    } else {
-                        QApplication::beep();
+                        if(handle_quit) {
+                            QCloseEvent ev;
+                            QApplication::sendSpontaneousEvent(app, &ev);
+                            if(ev.isAccepted())
+                                app->quit();
+                        } else {
+                            QApplication::beep();
+                        }
                     }
                 } else if(cmd.commandID == kHICommandSelectWindow) {
@@ -2457 +2497 @@
 #endif
 }
+
+#ifdef QT_MAC_USE_COCOA
+void QApplicationPrivate::qt_initAfterNSAppStarted()
+{
+    setupAppleEvents();
+    updateOverrideCursor();
+}
+
+void QApplicationPrivate::setupAppleEvents()
+{
+    // This function is called from the event dispatcher when NSApplication has
+    // finished initialization, which appears to be just after [NSApplication run] has
+    // started to execute. By setting up our apple events handlers this late, we override
+    // the ones set up by NSApplication.
+
+    // If Qt is used as a plugin, we let the 3rd party application handle events
+    // like quit and open file events. Otherwise, if we install our own handlers, we
+    // easily end up breaking functionallity the 3rd party application depend on:
+    if (QApplication::testAttribute(Qt::AA_MacPluginApplication))
+        return;
+
+    QT_MANGLE_NAMESPACE(QCocoaApplicationDelegate) *newDelegate = [QT_MANGLE_NAMESPACE(QCocoaApplicationDelegate) sharedDelegate];
+    NSAppleEventManager *eventManager = [NSAppleEventManager sharedAppleEventManager];
+    [eventManager setEventHandler:newDelegate andSelector:@selector(appleEventQuit:withReplyEvent:)
+     forEventClass:kCoreEventClass andEventID:kAEQuitApplication];
+    [eventManager setEventHandler:newDelegate andSelector:@selector(getUrl:withReplyEvent:)
+      forEventClass:kInternetEventClass andEventID:kAEGetURL];
+}
+#endif
 
 // In Carbon this is your one stop for apple events.
@@ -3009 +3078 @@
 
     QMenuBar::macUpdateMenuBar();
-
+    QApplicationPrivate::updateOverrideCursor();
 #else
     Q_UNUSED(widget);