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Fusion Style: Use high-dpi pixmaps 

Pass the QWindow as context to QIcon::pixmap(), which
enables it to return high-dpi pixmaps when needed.

Fixes: QTBUG-74100
Change-Id: I4556f0a98df8b6ba65376778379a03eb8c470d00
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
bb10
Morten Johan Sørvig 2019-10-03 15:04:16 +02:00
parent 23d7320852
commit 81a7909693
1 changed files with 11 additions and 5 deletions
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16
src/widgets/styles/qfusionstyle.cpp
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@ -88,6 +88,7 @@
#include <private/qstylehelper_p.h>
#include <private/qdrawhelper_p.h>
#include <private/qapplication_p.h>
#include <private/qwidget_p.h>
QT_BEGIN_NAMESPACE
@ -364,6 +365,11 @@ static void qt_fusion_draw_mdibutton(QPainter *painter, const QStyleOptionTitleB
painter->drawPoint(tmp.right() , tmp.bottom() - 1);
}
static QWindow *qt_getWindow(const QWidget *widget)
{
return widget ? QWidgetPrivate::get(widget)->windowHandle(QWidgetPrivate::WindowHandleMode::Closest) : nullptr;
}
/*
\internal
*/
@ -995,7 +1001,7 @@ void QFusionStyle::drawPrimitive(PrimitiveElement elem,
d->tabBarcloseButtonIcon = proxy()->standardIcon(SP_DialogCloseButton, option, widget);
if ((option->state & State_Enabled) && (option->state & State_MouseOver))
proxy()->drawPrimitive(PE_PanelButtonCommand, option, painter, widget);
QPixmap pixmap = d->tabBarcloseButtonIcon.pixmap(QSize(16, 16), QIcon::Normal, QIcon::On);
QPixmap pixmap = d->tabBarcloseButtonIcon.pixmap(qt_getWindow(widget), QSize(16, 16), QIcon::Normal, QIcon::On);
proxy()->drawItemPixmap(painter, option->rect, Qt::AlignCenter, pixmap);
}
break;
@ -1035,7 +1041,7 @@ void QFusionStyle::drawControl(ControlElement element, const QStyleOption *optio
if (!cb->currentIcon.isNull()) {
QIcon::Mode mode = cb->state & State_Enabled ? QIcon::Normal
: QIcon::Disabled;
QPixmap pixmap = cb->currentIcon.pixmap(cb->iconSize, mode);
QPixmap pixmap = cb->currentIcon.pixmap(qt_getWindow(widget), cb->iconSize, mode);
QRect iconRect(editRect);
iconRect.setWidth(cb->iconSize.width() + 4);
iconRect = alignedRect(cb->direction,
@ -1647,9 +1653,9 @@ void QFusionStyle::drawControl(ControlElement element, const QStyleOption *optio
iconSize = combo->iconSize();
#endif
if (checked)
pixmap = menuItem->icon.pixmap(iconSize, mode, QIcon::On);
pixmap = menuItem->icon.pixmap(qt_getWindow(widget), iconSize, mode, QIcon::On);
else
pixmap = menuItem->icon.pixmap(iconSize, mode);
pixmap = menuItem->icon.pixmap(qt_getWindow(widget), iconSize, mode);
const int pixw = pixmap.width() / pixmap.devicePixelRatio();
const int pixh = pixmap.height() / pixmap.devicePixelRatio();
@ -1783,7 +1789,7 @@ void QFusionStyle::drawControl(ControlElement element, const QStyleOption *optio
if (button->state & State_On)
state = QIcon::On;
QPixmap pixmap = button->icon.pixmap(button->iconSize, mode, state);
QPixmap pixmap = button->icon.pixmap(qt_getWindow(widget), button->iconSize, mode, state);
int w = pixmap.width() / pixmap.devicePixelRatio();
int h = pixmap.height() / pixmap.devicePixelRatio();