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0005-When-tabs-are-inserted-or-removed-in-a-QTa...
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File 0005-When-tabs-are-inserted-or-removed-in-a-QTabBar.patch of Package qt
From 733d1afd03908d695aa8a6518f453b9ff0e5b8a2 Mon Sep 17 00:00:00 2001 From: Robert Knight <robertknight@gmail.com> Date: Sun, 20 Apr 2008 16:28:31 +0200 Subject: [PATCH 05/13] When tabs are inserted or removed in a QTabBar, QTabBarPrivate::refresh() is called to update the layout. If the tabbar widget is hidden, this just sets a boolean variable (layoutDirty) and returns, so the parent widget's layout is not notified about the possible geometry change. Prior to Qt 4.4 this was not a problem because the geometry was recalculated in QTabBar::sizeHint() if the layoutDirty variable was set. In Qt 4.4 however the layout caches size hint information in QWidgetItemV2. Since the cache information is not invalidated, the layout may end up using out-of-date size hint information to compute the widget size. If the QTabBar is empty when QTabBar::sizeHint() is called, it will return a size with a height of 0, which will be kept in the cache and so the tab bar will never be shown. This patch fixes the problem by calling updateGeometry() whenever the tab bar's layout is refreshed. qt-bugs@ issue : 208185 Trolltech task ID : 208349 bugs.kde.org number : 159014 --- src/gui/widgets/qtabbar.cpp | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/src/gui/widgets/qtabbar.cpp b/src/gui/widgets/qtabbar.cpp index 419d456..41107a0 100644 --- a/src/gui/widgets/qtabbar.cpp +++ b/src/gui/widgets/qtabbar.cpp @@ -678,8 +678,8 @@ void QTabBarPrivate::refresh() layoutTabs(); makeVisible(currentIndex); q->update(); - q->updateGeometry(); } + q->updateGeometry(); } /*! -- 1.6.5.1
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