Fabian Vogt
ce8fa12622
- Add patch for QTabBar regression in Qt 6.5.1 (QTBUG-114204) * 0001-tabbar-fix.patch This bug affects strawberry and all menu items (tabs) above the last selected left menu (tabbar) is missing without this fix. OBS-URL: https://build.opensuse.org/request/show/1091330 OBS-URL: https://build.opensuse.org/package/show/KDE:Qt6/qt6-base?expand=0&rev=56
100 lines
3.4 KiB
Diff
100 lines
3.4 KiB
Diff
From 2a7da1b3c8c4096d7c2b09f3fcc58e9cf47867cd Mon Sep 17 00:00:00 2001
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From: Volker Hilsheimer <volker.hilsheimer@qt.io>
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Date: Mon, 5 Jun 2023 17:10:00 +0200
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Subject: QTabBar: recalculate scroll offset when showing
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If an application sets the current index and resizes the tab widget
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before showing it, then the scroll offset might be calculated based on
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an old size. Since after ca15f650a1a914bb9a41131109c46c4e52c5ebb1,
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resizing explicitly avoids scrolling, this could result in tabs ending
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up scrolled outside of the tab bar when showing the tab widget.
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Fix that by explicitly making the current tab visible in the tab bar's
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showEvent handler, which recalculates the scroll offset based on the
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actual size.
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This is only reproducible with a tab widget, which lays out the tab bar
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for each change and resets the tab bar's layoutDirty flag. Add a test
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case there.
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Pick-to: 6.5 6.6
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Fixes: QTBUG-114204
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Change-Id: I1e9506b9dde1dd892291d108dd2c7b675ef99509
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Reviewed-by: Axel Spoerl <axel.spoerl@qt.io>
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Reviewed-by: Jonas Kvinge <jonas@jkvinge.net>
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---
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src/widgets/widgets/qtabbar.cpp | 2 ++
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.../widgets/widgets/qtabwidget/tst_qtabwidget.cpp | 37 ++++++++++++++++++++++
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2 files changed, 39 insertions(+)
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diff --git a/src/widgets/widgets/qtabbar.cpp b/src/widgets/widgets/qtabbar.cpp
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index 75cb6dd4ea..ea408ec7f6 100644
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--- a/src/widgets/widgets/qtabbar.cpp
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+++ b/src/widgets/widgets/qtabbar.cpp
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@@ -1656,6 +1656,8 @@ void QTabBar::showEvent(QShowEvent *)
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d->refresh();
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if (!d->validIndex(d->currentIndex))
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setCurrentIndex(0);
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+ else
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+ d->makeVisible(d->currentIndex);
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d->updateMacBorderMetrics();
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}
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diff --git a/tests/auto/widgets/widgets/qtabwidget/tst_qtabwidget.cpp b/tests/auto/widgets/widgets/qtabwidget/tst_qtabwidget.cpp
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index 00cb26c2d3..eb29933fd1 100644
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--- a/tests/auto/widgets/widgets/qtabwidget/tst_qtabwidget.cpp
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+++ b/tests/auto/widgets/widgets/qtabwidget/tst_qtabwidget.cpp
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@@ -79,6 +79,9 @@ private slots:
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void moveCurrentTab();
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void autoHide();
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+ void setCurrentBeforeShow_data();
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+ void setCurrentBeforeShow();
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+
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private:
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int addPage();
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void removePage(int index);
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@@ -750,5 +753,39 @@ void tst_QTabWidget::autoHide()
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QVERIFY(heightForWidth1 > tabWidget.heightForWidth(20));
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}
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+void tst_QTabWidget::setCurrentBeforeShow_data()
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+{
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+ QTest::addColumn<QTabWidget::TabPosition>("tabPosition");
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+ QTest::newRow("West") << QTabWidget::West;
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+ QTest::newRow("North") << QTabWidget::North;
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+ QTest::newRow("East") << QTabWidget::East;
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+ QTest::newRow("South") << QTabWidget::South;
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+}
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+
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+void tst_QTabWidget::setCurrentBeforeShow()
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+{
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+ QFETCH(QTabWidget::TabPosition, tabPosition);
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+
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+ QTabWidget tabWidget;
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+ tabWidget.setTabPosition(tabPosition);
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+
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+ QPixmap pm(50, 50);
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+ pm.fill(Qt::red);
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+ const QIcon icon(pm);
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+ for (int i = 0; i < 4; ++i)
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+ tabWidget.addTab(new QWidget, icon, QString("Tab %1").arg(i));
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+
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+ // the tab widget has space for the entire tab bar
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+ tabWidget.resize(tabWidget.tabBar()->sizeHint() + QSize(50, 50));
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+ tabWidget.setCurrentIndex(2);
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+ tabWidget.show();
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+ QVERIFY(QTest::qWaitForWindowExposed(&tabWidget));
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+
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+ QCOMPARE_GE(tabWidget.tabBar()->tabRect(0).x(), 0);
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+ QCOMPARE_GE(tabWidget.tabBar()->tabRect(0).y(), 0);
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+
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+ QTest::qWait(2000);
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+}
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+
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QTEST_MAIN(tst_QTabWidget)
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#include "tst_qtabwidget.moc"
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--
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cgit v1.2.3
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