diff options
| -rw-r--r-- | src/plugins/styles/mac/qmacstyle_mac.mm | 85 |
1 files changed, 83 insertions, 2 deletions
diff --git a/src/plugins/styles/mac/qmacstyle_mac.mm b/src/plugins/styles/mac/qmacstyle_mac.mm index 5e122c06be..cdc7554c67 100644 --- a/src/plugins/styles/mac/qmacstyle_mac.mm +++ b/src/plugins/styles/mac/qmacstyle_mac.mm @@ -297,6 +297,19 @@ static QLinearGradient titlebarGradientInactive() return qt_mac_applicationIsInDarkMode() ? darkGradient : lightGradient; } +#if QT_CONFIG(tabwidget) +/* + Since macOS 10.14 AppKit is using transparency more extensively, especially for the + dark theme. Inactive buttons, for example, are semi-transparent. And we use them to + draw tab widget's tab bar. The combination of NSBox (also a part of tab widget) + and these transparent buttons gives us an undesired side-effect: an outline of + NSBox is visible through transparent buttons. To avoid this, we have this hack below: + we clip the area where the line would be visible through the buttons. The area we + want to clip away can be described as an intersection of the option's rect and + the tab widget's tab bar rect. But some adjustments are required, since those rects + are anyway adjusted during the rendering and they are not exactly what you'll see on + the screen. Thus this switch-statement inside. +*/ static void clipTabBarFrame(const QStyleOption *option, const QMacStyle *style, CGContextRef ctx) { Q_ASSERT(option); @@ -307,7 +320,19 @@ static void clipTabBarFrame(const QStyleOption *option, const QMacStyle *style, QTabWidget *tabWidget = qobject_cast<QTabWidget *>(option->styleObject); Q_ASSERT(tabWidget); - const QRect tabBarRect = style->subElementRect(QStyle::SE_TabWidgetTabBar, option, tabWidget).adjusted(2, 2, -3, -2); + QRect tabBarRect = style->subElementRect(QStyle::SE_TabWidgetTabBar, option, tabWidget).adjusted(2, 0, -3, 0); + switch (tabWidget->tabPosition()) { + case QTabWidget::South: + tabBarRect.setY(tabBarRect.y() + tabBarRect.height() / 2); + break; + case QTabWidget::North: + case QTabWidget::West: + tabBarRect = tabBarRect.adjusted(0, 2, 0, -2); + break; + case QTabWidget::East: + tabBarRect = tabBarRect.adjusted(tabBarRect.width() / 2, 2, tabBarRect.width() / 2, -2); + } + const QRegion clipPath = QRegion(option->rect) - tabBarRect; QVarLengthArray<CGRect, 3> cgRects; for (const QRect &qtRect : clipPath) @@ -316,6 +341,7 @@ static void clipTabBarFrame(const QStyleOption *option, const QMacStyle *style, CGContextClipToRects(ctx, &cgRects[0], size_t(cgRects.size())); } } +#endif // QT_CONFIG(tabwidget) static const QColor titlebarSeparatorLineActive(111, 111, 111); static const QColor titlebarSeparatorLineInactive(131, 131, 131); @@ -3889,6 +3915,7 @@ void QMacStyle::drawControl(ControlElement ce, const QStyleOption *opt, QPainter const auto cs = d->effectiveAquaSizeConstrain(opt, w); // Extra hacks to get the proper pressed appreance when not selected or selected and inactive const bool needsInactiveHack = (!isActive && isSelected); + const bool isBigSurOrAbove = QOperatingSystemVersion::current() >= QOperatingSystemVersion::MacOSBigSur; const auto ct = !needsInactiveHack && (isSelected || tp == QStyleOptionTab::OnlyOneTab) ? QMacStylePrivate::Button_PushButton : QMacStylePrivate::Button_PopupButton; @@ -3897,6 +3924,13 @@ void QMacStyle::drawControl(ControlElement ce, const QStyleOption *opt, QPainter auto *pb = static_cast<NSButton *>(d->cocoaControl(cw)); auto vOffset = isPopupButton ? 1 : 2; + if (isBigSurOrAbove) { + // Make it 1, otherwise, the offset is very visible compared + // to the selected tab (which is not a popup button, but a + // simple NSButton). + vOffset = 1; + } + if (tabDirection == QMacStylePrivate::East) vOffset -= 1; const auto outerAdjust = isPopupButton ? 1 : 4; @@ -3913,9 +3947,23 @@ void QMacStyle::drawControl(ControlElement ce, const QStyleOption *opt, QPainter frameRect = frameRect.adjusted(-innerAdjust, 0, outerAdjust, 0); else frameRect = frameRect.adjusted(-outerAdjust, 0, innerAdjust, 0); + + if (isSelected && isBigSurOrAbove) { + // 1 pixed of 'roundness' is still visible on the right + // (the left is OK, it's rounded). + frameRect = frameRect.adjusted(0, 0, 1, 0); + } + break; case QStyleOptionTab::Middle: frameRect = frameRect.adjusted(-innerAdjust, 0, innerAdjust, 0); + + if (isSelected && isBigSurOrAbove) { + // 1 pixel of 'roundness' is still visible on both + // sides - left and right. + frameRect = frameRect.adjusted(-1, 0, 1, 0); + } + break; case QStyleOptionTab::End: // Pressed state hack: tweak adjustments in preparation for flip below @@ -3923,6 +3971,11 @@ void QMacStyle::drawControl(ControlElement ce, const QStyleOption *opt, QPainter frameRect = frameRect.adjusted(-innerAdjust, 0, outerAdjust, 0); else frameRect = frameRect.adjusted(-outerAdjust, 0, innerAdjust, 0); + + if (isSelected && isBigSurOrAbove) { + // 1 pixel of 'roundness' is still visible on the left. + frameRect = frameRect.adjusted(-1, 0, 0, 0); + } break; case QStyleOptionTab::OnlyOneTab: frameRect = frameRect.adjusted(-outerAdjust, 0, outerAdjust, 0); @@ -3965,7 +4018,35 @@ void QMacStyle::drawControl(ControlElement ce, const QStyleOption *opt, QPainter CGContextRotateCTM(ctx, M_PI_2); } - [pb.cell drawBezelWithFrame:r inView:pb.superview]; + // Now, if it's a trick with a popup button, it has an arrow + // which makes no sense on tabs. + NSPopUpArrowPosition oldPosition = NSPopUpArrowAtCenter; + NSPopUpButtonCell *pbCell = nil; + auto rAdjusted = r; + if (isPopupButton && (tp == QStyleOptionTab::OnlyOneTab || isBigSurOrAbove)) { + // Note: starting from macOS BigSur NSPopupButton has this + // arrow 'button' in a different place and it became + // quite visible 'in between' inactive tabs. + pbCell = static_cast<NSPopUpButtonCell *>(pb.cell); + oldPosition = pbCell.arrowPosition; + pbCell.arrowPosition = NSPopUpNoArrow; + if (pb.state == NSControlStateValueOff) { + // NSPopUpButton in this state is smaller. + rAdjusted.origin.x -= 3; + rAdjusted.size.width += 6; + if (isBigSurOrAbove) { + rAdjusted.origin.y -= 1; + rAdjusted.size.height += 1; + if (tp == QStyleOptionTab::End) + rAdjusted.origin.x -= 2; + } + } + } + + [pb.cell drawBezelWithFrame:rAdjusted inView:pb.superview]; + + if (pbCell) // Restore, we may reuse it for a ComboBox. + pbCell.arrowPosition = oldPosition; }; if (needsInactiveHack) { |