Revert "QMacStyle - workaround NSButtonCell (disclose button type)"

This reverts commit a868942b11a586861e167aaafaa9c65fde23e88d. We know how to fix it properly.

Change-Id: I9180aeca82f884333d53bab9c6d588ee3a23d3cb
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>

1 files changed, 2 insertions, 69 deletions

diff --git a/src/plugins/styles/mac/qmacstyle_mac.mm b/src/plugins/styles/mac/qmacstyle_mac.mm
index 0745e917a2..847b1a6034 100644
--- a/src/plugins/styles/mac/qmacstyle_mac.mm
+++ b/src/plugins/styles/mac/qmacstyle_mac.mm
@@ -1156,66 +1156,6 @@ static QStyleHelper::WidgetSizePolicy qt_aqua_guess_size(const QWidget *widg, QS
 }
 #endif
 
-static NSColor *qt_convertColorForContext(CGContextRef context, NSColor *color)
-{
-    Q_ASSERT(color);
-    Q_ASSERT(context);
-
-    CGColorSpaceRef targetCGColorSpace = CGBitmapContextGetColorSpace(context);
-    NSColorSpace *targetNSColorSpace = [[NSColorSpace alloc] initWithCGColorSpace:targetCGColorSpace];
-    NSColor *adjusted = [color colorUsingColorSpace:targetNSColorSpace];
-    [targetNSColorSpace release];
-
-    return adjusted;
-}
-
-static NSColor *qt_colorForContext(CGContextRef context, const CGFloat (&rgba)[4])
-{
-    Q_ASSERT(context);
-
-    auto colorSpace = CGBitmapContextGetColorSpace(context);
-    if (!colorSpace)
-        return nil;
-
-    return qt_convertColorForContext(context, [NSColor colorWithSRGBRed:rgba[0] green:rgba[1] blue:rgba[2] alpha:rgba[3]]);
-}
-
-static void qt_drawDisclosureButton(CGContextRef context, NSInteger state, bool selected, CGRect rect)
-{
-    Q_ASSERT(context);
-
-    static const CGFloat gray[] = {0.55, 0.55, 0.55, 0.97};
-    static const CGFloat white[] = {1.0, 1.0, 1.0, 0.9};
-
-    NSColor *fillColor = qt_colorForContext(context, selected ? white : gray);
-    [fillColor setFill];
-
-    if (state == NSOffState) {
-        static NSBezierPath *triangle = [[NSBezierPath alloc] init];
-        [triangle removeAllPoints];
-        // In off state, a disclosure button is an equilateral triangle
-        // ('pointing' to the right) with a bound rect that can be described
-        // as NSMakeRect(0, 0, 8, 9). Inside the 'rect' it's translated by
-        //  (2, 4).
-        [triangle moveToPoint:NSMakePoint(rect.origin.x + 2, rect.origin.y + 4)];
-        [triangle lineToPoint:NSMakePoint(rect.origin.x + 2, rect.origin.y + 4 + 9)];
-        [triangle lineToPoint:NSMakePoint(rect.origin.x + 2 + 8, rect.origin.y + 4 + 4.5)];
-        [triangle closePath];
-        [triangle fill];
-    } else {
-        static NSBezierPath *openTriangle = [[NSBezierPath alloc] init];
-        [openTriangle removeAllPoints];
-        // In 'on' state, the button is an equilateral triangle (looking down)
-        // with the bounding rect NSMakeRect(0, 0, 9, 8). Inside the 'rect'
-        // it's translated by (1, 4).
-        [openTriangle moveToPoint:NSMakePoint(rect.origin.x + 1, rect.origin.y + 4 + 8)];
-        [openTriangle lineToPoint:NSMakePoint(rect.origin.x + 1 + 9, rect.origin.y + 4 + 8)];
-        [openTriangle lineToPoint:NSMakePoint(rect.origin.x + 1 + 4.5, rect.origin.y + 4)];
-        [openTriangle closePath];
-        [openTriangle fill];
-    }
-}
-
 void QMacStylePrivate::drawFocusRing(QPainter *p, const QRectF &targetRect, int hMargin, int vMargin, const CocoaControl &cw) const
 {
     QPainterPath focusRingPath;
@@ -3301,15 +3241,8 @@ void QMacStyle::drawPrimitive(PrimitiveElement pe, const QStyleOption *opt, QPai
         CGContextScaleCTM(cg, 1, -1);
         CGContextTranslateCTM(cg, -rect.origin.x, -rect.origin.y);
 
-        if (QOperatingSystemVersion::current() >= QOperatingSystemVersion::MacOSMojave && !qt_mac_applicationIsInDarkMode()) {
-            // When the real system theme is one of the 'Dark' themes, and an application forces the 'Aqua' theme,
-            // under some conditions (see QTBUG-74515 for more details) NSButtonCell seems to select the 'Dark'
-            // code path and is becoming transparent, thus 'invisible' on the white background. To workaround this,
-            // we draw the disclose triangle manually:
-            qt_drawDisclosureButton(cg, triangleCell.state, (opt->state & State_Selected) && viewHasFocus, rect);
-        } else {
-            [triangleCell drawBezelWithFrame:NSRectFromCGRect(rect) inView:[triangleCell controlView]];
-        }
+        [triangleCell drawBezelWithFrame:NSRectFromCGRect(rect) inView:[triangleCell controlView]];
+
         d->restoreNSGraphicsContext(cg);
         break; }