diff options
-rw-r--r-- | src/gui/widgets/qtabbar.cpp | 13 | ||||
-rw-r--r-- | tests/auto/qtabbar/tst_qtabbar.cpp | 40 |
2 files changed, 48 insertions, 5 deletions
diff --git a/src/gui/widgets/qtabbar.cpp b/src/gui/widgets/qtabbar.cpp index 7559311..7095ca9 100644 --- a/src/gui/widgets/qtabbar.cpp +++ b/src/gui/widgets/qtabbar.cpp @@ -1240,6 +1240,8 @@ QSize QTabBar::sizeHint() const QSize QTabBar::minimumSizeHint() const { Q_D(const QTabBar); + if (d->layoutDirty) + const_cast<QTabBarPrivate*>(d)->layoutTabs(); if (!d->useScrollButtons) { QRect r; for (int i = 0; i < d->tabList.count(); ++i) @@ -1252,22 +1254,23 @@ QSize QTabBar::minimumSizeHint() const return QSize(d->rightB->sizeHint().width() * 2 + 75, sizeHint().height()); } +// Compute the most-elided possible text, for minimumSizeHint static QString computeElidedText(Qt::TextElideMode mode, const QString &text) { - if (text.length() <= 7) + if (text.length() <= 3) return text; static const QLatin1String Ellipses("..."); QString ret; switch (mode) { case Qt::ElideRight: - ret = text.left(4) + Ellipses; + ret = text.left(2) + Ellipses; break; case Qt::ElideMiddle: - ret = text.left(2) + Ellipses + text.right(2); + ret = text.left(1) + Ellipses + text.right(1); break; case Qt::ElideLeft: - ret = Ellipses + text.right(4); + ret = Ellipses + text.right(2); break; case Qt::ElideNone: ret = text; @@ -1914,7 +1917,7 @@ void QTabBar::keyPressEvent(QKeyEvent *event) event->ignore(); return; } - int offset = event->key() == (isRightToLeft() ? Qt::Key_Right : Qt::Key_Left) ? -1 : 1; + int offset = event->key() == (isRightToLeft() ? Qt::Key_Right : Qt::Key_Left) ? -1 : 1; d->setCurrentNextEnabledIndex(offset); } diff --git a/tests/auto/qtabbar/tst_qtabbar.cpp b/tests/auto/qtabbar/tst_qtabbar.cpp index 72f9dd3..28bed6b 100644 --- a/tests/auto/qtabbar/tst_qtabbar.cpp +++ b/tests/auto/qtabbar/tst_qtabbar.cpp @@ -76,6 +76,7 @@ private slots: void setElideMode_data(); void setElideMode(); + void sizeHints(); void setUsesScrollButtons_data(); void setUsesScrollButtons(); @@ -278,6 +279,45 @@ void tst_QTabBar::setElideMode() QTEST(int(tabBar.elideMode()), "expectedMode"); } +void tst_QTabBar::sizeHints() +{ + QTabBar tabBar; + tabBar.setFont(QFont("Arial", 10)); + tabBar.addTab("tab 01"); + tabBar.addTab("tab 02"); + tabBar.addTab("tab 03"); + tabBar.addTab("tab 04"); + tabBar.addTab("tab 05"); + tabBar.addTab("tab 06"); + tabBar.addTab("This is tab7"); + tabBar.addTab("This is tab8"); + tabBar.addTab("This is tab9 with a very long title"); + + // No eliding and no scrolling -> tabbar becomes very wide + tabBar.setUsesScrollButtons(false); + tabBar.setElideMode(Qt::ElideNone); +// qDebug() << tabBar.minimumSizeHint() << tabBar.sizeHint(); + QVERIFY(tabBar.minimumSizeHint().width() > 700); + QVERIFY(tabBar.sizeHint().width() > 700); + + // Scrolling enabled -> no reason to become very wide + tabBar.setUsesScrollButtons(true); + // qDebug() << tabBar.minimumSizeHint() << tabBar.sizeHint(); + QVERIFY(tabBar.minimumSizeHint().width() < 200); + QVERIFY(tabBar.sizeHint().width() > 700); // unchanged + + // Eliding enabled -> no reason to become very wide + tabBar.setUsesScrollButtons(false); + tabBar.setElideMode(Qt::ElideRight); +// qDebug() << tabBar.minimumSizeHint() << tabBar.sizeHint(); + QVERIFY(tabBar.minimumSizeHint().width() < 500); + QVERIFY(tabBar.sizeHint().width() > 700); // unchanged + + tabBar.addTab("This is tab10 with a very long title"); + QVERIFY(tabBar.minimumSizeHint().width() < 600); + QVERIFY(tabBar.sizeHint().width() > 700); // unchanged +} + void tst_QTabBar::setUsesScrollButtons_data() { QTest::addColumn<int>("usesArrows"); |