--- a/src/gui/kernel/qapplication_mac.mm Mon Jun 21 22:38:13 2010 +0100
+++ b/src/gui/kernel/qapplication_mac.mm Thu Jul 22 16:41:55 2010 +0100
@@ -184,7 +184,8 @@
bool qt_scrollbar_jump_to_pos = false;
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.
static bool qt_mac_previous_press_in_popup_mode = false;
@@ -1220,11 +1221,18 @@
}
#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, ¤t_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);
+ }
}
if (QApplicationPrivate::app_style) {
@@ -1237,7 +1245,7 @@
// Cocoa application delegate
#ifdef QT_MAC_USE_COCOA
- NSApplication *cocoaApp = [NSApplication sharedApplication];
+ NSApplication *cocoaApp = [QNSApplication sharedApplication];
QMacCocoaAutoReleasePool pool;
NSObject *oldDelegate = [cocoaApp delegate];
QT_MANGLE_NAMESPACE(QCocoaApplicationDelegate) *newDelegate = [QT_MANGLE_NAMESPACE(QCocoaApplicationDelegate) sharedDelegate];
@@ -1258,10 +1266,6 @@
[cocoaApp setMenu:[qtMenuLoader menu]];
[newDelegate setMenuLoader:qtMenuLoader];
[qtMenuLoader release];
-
- NSAppleEventManager *eventManager = [NSAppleEventManager sharedAppleEventManager];
- [eventManager setEventHandler:newDelegate andSelector:@selector(getUrl:withReplyEvent:)
- forEventClass:kInternetEventClass andEventID:kAEGetURL];
}
#endif
// Register for Carbon tablet proximity events on the event monitor target.
@@ -1361,12 +1365,39 @@
/*****************************************************************************
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)
{
qApp->d_func()->cursor_list.prepend(cursor);
#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
if (qApp && qApp->activeWindow())
@@ -1383,6 +1414,8 @@
#ifdef QT_MAC_USE_COCOA
QMacCocoaAutoReleasePool pool;
[NSCursor pop];
+ if (qApp->d_func()->cursor_list.isEmpty())
+ qApp->d_func()->disableUsageOfCursorRects(false);
#else
if (qApp && qApp->activeWindow()) {
const QCursor def(Qt::ArrowCursor);
@@ -1726,14 +1759,19 @@
// (actually two events; one for horizontal and one for vertical).
// 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);
} else if (ekind == kEventMouseWheelMoved) {
@@ -2408,25 +2446,30 @@
}
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) {
if((GetCurrentKeyModifiers() & cmdKey))
@@ -2457,6 +2500,35 @@
#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.
// In Cocoa, it ISN'T. This is the catch-all Apple Event handler that exists
// for the time between instantiating the NSApplication, but before the
@@ -3008,7 +3080,7 @@
}
QMenuBar::macUpdateMenuBar();
-
+ QApplicationPrivate::updateOverrideCursor();
#else
Q_UNUSED(widget);
Q_UNUSED(activated);