Make command-quit not terminate the program on Qt/Cocoa.

Instead instigate the quit by calling QApplication::quit(), using the code
that was already in place. This allows QApplication::exec() to return normally
and prevents resrouce leaks for objects created on the stack in main().

Reviewed-by: nrc

1 files changed, 6 insertions, 3 deletions

diff --git a/src/gui/kernel/qcocoaapplicationdelegate_mac.mm b/src/gui/kernel/qcocoaapplicationdelegate_mac.mm
index dad15d945e..9a246455c2 100644
--- a/src/gui/kernel/qcocoaapplicationdelegate_mac.mm
+++ b/src/gui/kernel/qcocoaapplicationdelegate_mac.mm
@@ -183,21 +183,24 @@ static void cleanupCocoaApplicationDelegate()
 {
     Q_UNUSED(sender);
     // The reflection delegate gets precedence
-    NSApplicationTerminateReply reply = NSTerminateCancel;
     if (reflectionDelegate
         && [reflectionDelegate respondsToSelector:@selector(applicationShouldTerminate:)]) {
         return [reflectionDelegate applicationShouldTerminate:sender];
     }
 
     if (qtPrivate->canQuit()) {
-        reply = NSTerminateNow;
         if (!startedQuit) {
             startedQuit = true;
             qAppInstance()->quit();
             startedQuit = false;
         }
     }
-    return reply;
+
+    // Prevent Cocoa from terminating the application, since this simply
+    // exits the program whithout allowing QApplication::exec() to return.
+    // The call to QApplication::quit() above will instead quit the
+    // application from the Qt side.
+    return NSTerminateCancel;
 }
 
 - (void)applicationDidFinishLaunching:(NSNotification *)aNotification