diff options
Diffstat (limited to 'src/widgets/widgets')
| -rw-r--r-- | src/widgets/widgets/qtabbar.cpp | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/widgets/widgets/qtabbar.cpp b/src/widgets/widgets/qtabbar.cpp index 1e8403c66b..1621356c40 100644 --- a/src/widgets/widgets/qtabbar.cpp +++ b/src/widgets/widgets/qtabbar.cpp @@ -1838,6 +1838,20 @@ void QTabBar::paintEvent(QPaintEvent *) if (d->drawBase) p.drawPrimitive(QStyle::PE_FrameTabBarBase, optTabBase); + // the buttons might be semi-transparent or not fill their rect, but we don't + // want the tab underneath to shine through, so clip the button area; QTBUG-50866 + if (d->leftB->isVisible() || d->rightB->isVisible()) { + QStyleOption opt; + opt.initFrom(this); + QRegion buttonRegion; + if (d->leftB->isVisible()) + buttonRegion |= style()->subElementRect(QStyle::SE_TabBarScrollLeftButton, &opt, this); + if (d->rightB->isVisible()) + buttonRegion |= style()->subElementRect(QStyle::SE_TabBarScrollRightButton, &opt, this); + if (!buttonRegion.isEmpty()) + p.setClipRegion(QRegion(rect()) - buttonRegion); + } + for (int i = 0; i < d->tabList.count(); ++i) { const auto tab = d->tabList.at(i); if (!tab->visible) |