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Type: Bug
Resolution: Done
Priority: P2: Important
Fix Version/s: 5.14
Affects Version/s: 5.1.1, 5.7.1, 5.8.0, 5.9.7, 5.12.0 Beta 4, 5.12.3
Component/s: GUI: Basic Input System (keyboard, mouse, touch), Quick: Core Declarative QML
Labels:

Platform/s:

macOS

import QtQuick 2.1
import QtQuick.Window 2.1
import QtQuick.Controls 1.0

Window {
    title: qsTr("Hello World")
    width: 640
    height: 480

    property bool __canClose: false
    
    onClosing: {
        close.accepted = __canClose;
    }
    
    Button {
        text: qsTr("Allow close")
        anchors.horizontalCenter: parent.horizontalCenter
        anchors.verticalCenter: parent.verticalCenter
        onClicked: __canClose = true;
    }
}

The Window doesn't send a closing event for Cmd+Q but it does if you click the red x close button.

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is required for

QTBUG-59782 Qt.quit() exits immediately without sending a QCloseEvent

Closed

relates to

QTBUG-72013 [macOS] can't prevent an application to quit on Command+Q

Closed

QTBUG-35390 onClosing event of ApplicationWindow not invoked via close()

Closed

QTBUG-40093 In QML onClosing() signal not fires when Window.close() used

Closed

QTBUG-43344 macOS: Regression: closeEvent called twice (still not fixed)

Closed

QTBUG-45262 close.accepted = false ignored when QCoreApplication::quit() is called

Closed

resulted from

QTBUG-31019 need a way to intercept closing of a Window in Qt Quick

Closed

(1 relates to, 1 resulted from)

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For Gerrit Dashboard: QTBUG-33235
#	Subject	Branch	Project	Status	CR	V
194579,4	Let QWindows ignore close events	5.9	qt/qtbase	Status: NEW	-2	0
190061,2	QGuiApplication: send each QWindow the QCloseEvent, respect any veto	dev	qt/qtbase	Status: ABANDONED	-1	0
195912,11	Move application close handling to QGuiApplication	dev	qt/qtbase	Status: DEFERRED	-2	0
277640,13	Deliver Quit event when calling QCoreApplication::quit()	dev	qt/qtbase	Status: MERGED	+2	0
277851,1	Teach QCoreApplication::quit() to involve platform in termination	5.14	qt/qtbase	Status: ABANDONED	0	0
312898,3	Plumb application quit through platform plugin	dev	qt/qtbase	Status: MERGED	+2	0