From: Than Ngo <than@redhat.com>
Date: Tue, 22 Aug 2023 13:42:24 +0000 (+0100)
Subject: fixes segfault on Assistant's startup
X-Git-Tag: archive/raspbian/4%4.8.7+dfsg-18+rpi1+deb10u2^2~14
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=9e3865a39f447cb8d0e2607045660156b4c2b601;p=qt4-x11.git

fixes segfault on Assistant's startup

Origin: https://bugreports.qt-project.org/browse/QTBUG-25324
Bug: https://bugreports.qt-project.org/browse/QTBUG-25324
Bug-Debian: http://bugs.debian.org/679874
Forwarded: not-needed
Last-Update: 2012-06-20

This patch calls the static method QApplication::allWidgets()
intead of storing them first.

Gbp-Pq: Name QTBUG-25324_assistant_segfault_on_start_with_gcc_4.7.patch
---

diff --git a/tools/assistant/tools/assistant/mainwindow.cpp b/tools/assistant/tools/assistant/mainwindow.cpp
index bbf9b8e2d..75510fad9 100644
--- a/tools/assistant/tools/assistant/mainwindow.cpp
+++ b/tools/assistant/tools/assistant/mainwindow.cpp
@@ -947,8 +947,7 @@ void MainWindow::updateApplicationFont()
     if (helpEngine.usesAppFont())
         font = helpEngine.appFont();
 
-    const QWidgetList &widgets = qApp->allWidgets();
-    foreach (QWidget* widget, widgets)
+    foreach (QWidget* widget, QApplication::allWidgets())
         widget->setFont(font);
 }