qt5-qtbase/0010-Work-around-crash-wher...

41 lines
1.4 KiB
Diff

From 1eac947ce2c1d63bd04a94939c4f04e9086913c7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Morten=20Johan=20S=C3=B8rvig?= <morten.sorvig@qt.io>
Date: Wed, 22 May 2019 14:01:41 +0200
Subject: [PATCH 010/105] Work around crash where a destroyed window becomes
focus_window
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Clear QGuiApplication::focus_window (again) in the
QWindow destructor.
Task-number: QTBUG-75326
Change-Id: Ief00b6adfb267fcc7e3881fd728e12df07fc1094
Reviewed-by: Christian Andersen <csandersen3@gmail.com>
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
---
src/gui/kernel/qwindow.cpp | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/src/gui/kernel/qwindow.cpp b/src/gui/kernel/qwindow.cpp
index bcd8351619..a19df4da0f 100644
--- a/src/gui/kernel/qwindow.cpp
+++ b/src/gui/kernel/qwindow.cpp
@@ -218,6 +218,12 @@ QWindow::~QWindow()
QGuiApplicationPrivate::window_list.removeAll(this);
if (!QGuiApplicationPrivate::is_app_closing)
QGuiApplicationPrivate::instance()->modalWindowList.removeOne(this);
+
+ // focus_window is normally cleared in destroy(), but the window may in
+ // some cases end up becoming the focus window again. Clear it again
+ // here as a workaround. See QTBUG-75326.
+ if (QGuiApplicationPrivate::focus_window == this)
+ QGuiApplicationPrivate::focus_window = 0;
}
void QWindowPrivate::init(QScreen *targetScreen)
--
2.21.0