diff options
| author | Andre de la Rocha <andre.rocha@qt.io> | 2017-12-01 16:36:58 +0100 |
|---|---|---|
| committer | Andre de la Rocha <andre.rocha@qt.io> | 2018-02-02 14:45:41 +0000 |
| commit | 8f582a4cc5bd03a5d549de1f41cdb939c9abc23a (patch) | |
| tree | 8c48fde28b1bb33a64a19366e7b966ffb824322d /src/widgets | |
| parent | cdebc1a138eb4e4272b0b96e6bfce4fd66851ce1 (diff) | |
Fix HiDPI rendering issues in QCommonStyle
Fixed size/resolution of combo box and scroll bar arrows.
Task-number: QTBUG-49374
Change-Id: I3016b082b5eb7149fbe0c0e740525ab8506ce391
Reviewed-by: Alessandro Portale <alessandro.portale@qt.io>
Diffstat (limited to 'src/widgets')
| -rw-r--r-- | src/widgets/styles/qcommonstyle.cpp | 22 |
1 files changed, 10 insertions, 12 deletions
diff --git a/src/widgets/styles/qcommonstyle.cpp b/src/widgets/styles/qcommonstyle.cpp index 1190099c16..6fb55f0b5f 100644 --- a/src/widgets/styles/qcommonstyle.cpp +++ b/src/widgets/styles/qcommonstyle.cpp @@ -743,8 +743,9 @@ void QCommonStyle::drawPrimitive(PrimitiveElement pe, const QStyleOption *opt, Q % QLatin1String(metaObject()->className()), opt, QSize(size, size)) % HexString<uint>(pe); if (!QPixmapCache::find(pixmapName, pixmap)) { - int border = size/5; - int sqsize = 2*(size/2); + qreal pixelRatio = p->device()->devicePixelRatioF(); + int border = qRound(pixelRatio*(size/5)); + int sqsize = qRound(pixelRatio*(2*(size/2))); QImage image(sqsize, sqsize, QImage::Format_ARGB32_Premultiplied); image.fill(0); QPainter imagePainter(&image); @@ -796,6 +797,7 @@ void QCommonStyle::drawPrimitive(PrimitiveElement pe, const QStyleOption *opt, Q imagePainter.drawPolygon(a); imagePainter.end(); pixmap = QPixmap::fromImage(image); + pixmap.setDevicePixelRatio(pixelRatio); QPixmapCache::insert(pixmapName, pixmap); } int xOffset = r.x() + (r.width() - size)/2; @@ -4165,14 +4167,10 @@ QRect QCommonStyle::subControlRect(ComplexControl cc, const QStyleOptionComplex #if QT_CONFIG(combobox) case CC_ComboBox: if (const QStyleOptionComboBox *cb = qstyleoption_cast<const QStyleOptionComboBox *>(opt)) { - int x = cb->rect.x(), - y = cb->rect.y(), - wi = cb->rect.width(), - he = cb->rect.height(); - int xpos = x; - int margin = cb->frame ? 3 : 0; - int bmarg = cb->frame ? 2 : 0; - xpos += wi - bmarg - 16; + const int x = cb->rect.x(), y = cb->rect.y(), wi = cb->rect.width(), he = cb->rect.height(); + const int margin = cb->frame ? qRound(QStyleHelper::dpiScaled(3)) : 0; + const int bmarg = cb->frame ? qRound(QStyleHelper::dpiScaled(2)) : 0; + const int xpos = x + wi - bmarg - qRound(QStyleHelper::dpiScaled(16)); switch (sc) { @@ -4180,10 +4178,10 @@ QRect QCommonStyle::subControlRect(ComplexControl cc, const QStyleOptionComplex ret = cb->rect; break; case SC_ComboBoxArrow: - ret.setRect(xpos, y + bmarg, 16, he - 2*bmarg); + ret.setRect(xpos, y + bmarg, qRound(QStyleHelper::dpiScaled(16)), he - 2*bmarg); break; case SC_ComboBoxEditField: - ret.setRect(x + margin, y + margin, wi - 2 * margin - 16, he - 2 * margin); + ret.setRect(x + margin, y + margin, wi - 2 * margin - qRound(QStyleHelper::dpiScaled(16)), he - 2 * margin); break; case SC_ComboBoxListBoxPopup: ret = cb->rect; |