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-rw-r--r--src/widgets/styles/qstylehelper.cpp141
1 files changed, 79 insertions, 62 deletions
diff --git a/src/widgets/styles/qstylehelper.cpp b/src/widgets/styles/qstylehelper.cpp
index 0b910d46df..b4616b8c24 100644
--- a/src/widgets/styles/qstylehelper.cpp
+++ b/src/widgets/styles/qstylehelper.cpp
@@ -1,45 +1,11 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the QtWidgets module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 3 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL3 included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU Lesser General Public License version 3 requirements
-** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 2.0 or (at your option) the GNU General
-** Public license version 3 or any later version approved by the KDE Free
-** Qt Foundation. The licenses are as published by the Free Software
-** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
-** included in the packaging of this file. Please review the following
-** information to ensure the GNU General Public License requirements will
-** be met: https://www.gnu.org/licenses/gpl-2.0.html and
-** https://www.gnu.org/licenses/gpl-3.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include <qstyleoption.h>
#include <qpainter.h>
#include <qpixmapcache.h>
+#include <private/qhighdpiscaling_p.h>
+#include <private/qguiapplication_p.h>
#include <private/qmath_p.h>
#include <private/qstyle_p.h>
#include <qmath.h>
@@ -49,6 +15,7 @@
#include <qabstractscrollarea.h>
#include <qwindow.h>
+#include <qmetaobject.h>
#include "qstylehelper_p.h"
#include <qstringbuilder.h>
@@ -58,39 +25,82 @@ Q_GUI_EXPORT int qt_defaultDpiX();
namespace QStyleHelper {
-QString uniqueName(const QString &key, const QStyleOption *option, const QSize &size)
+static inline bool usePixmapCache(const QStyleOption *opt)
{
+ if (QWidget *widget = qobject_cast<QWidget *>(opt->styleObject))
+ return !widget->testAttribute(Qt::WA_StyleSheetTarget);
+ return true;
+}
+
+QString uniqueName(const QString &key, const QStyleOption *option, const QSize &size, qreal dpr)
+{
+ if (!usePixmapCache(option))
+ return {};
+
const QStyleOptionComplex *complexOption = qstyleoption_cast<const QStyleOptionComplex *>(option);
QString tmp = key % HexString<uint>(option->state)
% HexString<uint>(option->direction)
% HexString<uint>(complexOption ? uint(complexOption->activeSubControls) : 0u)
% HexString<quint64>(option->palette.cacheKey())
% HexString<uint>(size.width())
- % HexString<uint>(size.height());
+ % HexString<uint>(size.height())
+ % HexString<qreal>(dpr);
#if QT_CONFIG(spinbox)
if (const QStyleOptionSpinBox *spinBox = qstyleoption_cast<const QStyleOptionSpinBox *>(option)) {
tmp = tmp % HexString<uint>(spinBox->buttonSymbols)
% HexString<uint>(spinBox->stepEnabled)
- % QLatin1Char(spinBox->frame ? '1' : '0'); ;
+ % QChar(spinBox->frame ? u'1' : u'0');
}
#endif // QT_CONFIG(spinbox)
return tmp;
}
-qreal dpiScaled(qreal value)
+#ifdef Q_OS_DARWIN
+static const qreal qstyleBaseDpi = 72;
+#else
+static const qreal qstyleBaseDpi = 96;
+#endif
+
+Q_WIDGETS_EXPORT qreal dpi(const QStyleOption *option)
{
-#ifdef Q_OS_MAC
- // On mac the DPI is always 72 so we should not scale it
- return value;
+#ifndef Q_OS_DARWIN
+ // Prioritize the application override, except for on macOS where
+ // we have historically not supported the AA_Use96Dpi flag.
+ if (QCoreApplication::testAttribute(Qt::AA_Use96Dpi))
+ return 96;
+#endif
+
+ // Expect that QStyleOption::QFontMetrics::QFont has the correct DPI set
+ if (option)
+ return option->fontMetrics.fontDpi();
+
+ // Fall back to historical Qt behavior: hardocded 72 DPI on mac,
+ // primary screen DPI on other platforms.
+#ifdef Q_OS_DARWIN
+ return qstyleBaseDpi;
#else
- static const qreal scale = qreal(qt_defaultDpiX()) / 96.0;
- return value * scale;
+ return qt_defaultDpiX();
#endif
}
-#ifndef QT_NO_ACCESSIBILITY
+Q_WIDGETS_EXPORT qreal dpiScaled(qreal value, qreal dpi)
+{
+ return value * dpi / qstyleBaseDpi;
+}
+
+Q_WIDGETS_EXPORT qreal dpiScaled(qreal value, const QPaintDevice *device)
+{
+ return dpiScaled(value, device->logicalDpiX());
+}
+
+Q_WIDGETS_EXPORT qreal dpiScaled(qreal value, const QStyleOption *option)
+{
+ return dpiScaled(value, dpi(option));
+}
+
+#if QT_CONFIG(accessibility)
bool isInstanceOf(QObject *obj, QAccessible::Role role)
{
bool match = false;
@@ -103,7 +113,7 @@ bool isInstanceOf(QObject *obj, QAccessible::Role role)
bool hasAncestor(QObject *obj, QAccessible::Role role)
{
bool found = false;
- QObject *parent = obj ? obj->parent() : 0;
+ QObject *parent = obj ? obj->parent() : nullptr;
while (parent && !found) {
if (isInstanceOf(parent, role))
found = true;
@@ -111,7 +121,7 @@ bool hasAncestor(QObject *obj, QAccessible::Role role)
}
return found;
}
-#endif // QT_NO_ACCESSIBILITY
+#endif // QT_CONFIG(accessibility)
#if QT_CONFIG(dial)
@@ -146,7 +156,7 @@ static QPointF calcRadialPos(const QStyleOptionSlider *dial, qreal offset)
qreal len = r - QStyleHelper::calcBigLineSize(r) - 3;
qreal back = offset * len;
QPointF pos(QPointF(xc + back * qCos(a), yc - back * qSin(a)));
- return pos;
+ return pos + dial->rect.topLeft();
}
qreal angle(const QPointF &p1, const QPointF &p2)
@@ -192,7 +202,7 @@ QPolygonF calcLines(const QStyleOptionSlider *dial)
qreal xc = width / 2 + 0.5;
qreal yc = height / 2 + 0.5;
const int ns = dial->tickInterval;
- if (!ns) // Invalid values may be set by Qt Designer.
+ if (!ns) // Invalid values may be set by Qt Widgets Designer.
return poly;
int notches = (dial->maximum + ns - 1 - dial->minimum) / ns;
if (notches <= 0)
@@ -219,7 +229,7 @@ QPolygonF calcLines(const QStyleOptionSlider *dial)
poly[2 * i + 1] = QPointF(xc + (r - 1) * c, yc -(r - 1) * s);
}
}
- return poly;
+ return poly.translated(dial->rect.topLeft());
}
// This will draw a nice and shiny QDial for us. We don't want
@@ -227,7 +237,7 @@ QPolygonF calcLines(const QStyleOptionSlider *dial)
void drawDial(const QStyleOptionSlider *option, QPainter *painter)
{
- QPalette pal = option->palette;
+ const QPalette pal = option->palette;
QColor buttonColor = pal.button().color();
const int width = option->rect.width();
const int height = option->rect.height();
@@ -241,24 +251,31 @@ void drawDial(const QStyleOptionSlider *option, QPainter *painter)
// Draw notches
if (option->subControls & QStyle::SC_DialTickmarks) {
- painter->setPen(option->palette.dark().color().darker(120));
+ const bool inverted = pal.window().color().lightness() < pal.text().color().lightness()
+ && pal.light().color().lightness() > pal.dark().color().lightness();
+ const QColor notchColor = inverted ? pal.light().color().lighter(120)
+ : pal.dark().color().darker(120);
+ painter->setPen(notchColor);
painter->drawLines(QStyleHelper::calcLines(option));
}
+ // setting color before BEGIN_STYLE_PIXMAPCACHE since
+ // otherwise it is not set when the image is in the cache
+ buttonColor.setHsv(buttonColor .hue(),
+ qMin(140, buttonColor .saturation()),
+ qMax(180, buttonColor.value()));
+
// Cache dial background
BEGIN_STYLE_PIXMAPCACHE(QString::fromLatin1("qdial"));
p->setRenderHint(QPainter::Antialiasing);
const qreal d_ = r / 6;
- const qreal dx = option->rect.x() + d_ + (width - 2 * r) / 2 + 1;
- const qreal dy = option->rect.y() + d_ + (height - 2 * r) / 2 + 1;
+ const qreal dx = d_ + (width - 2 * r) / 2 + 1;
+ const qreal dy = d_ + (height - 2 * r) / 2 + 1;
QRectF br = QRectF(dx + 0.5, dy + 0.5,
int(r * 2 - 2 * d_ - 2),
int(r * 2 - 2 * d_ - 2));
- buttonColor.setHsv(buttonColor .hue(),
- qMin(140, buttonColor .saturation()),
- qMax(180, buttonColor.value()));
if (enabled) {
// Drop shadow
@@ -310,7 +327,7 @@ void drawDial(const QStyleOptionSlider *option, QPainter *painter)
QPointF dp = calcRadialPos(option, qreal(0.70));
buttonColor = buttonColor.lighter(104);
- buttonColor.setAlphaF(qreal(0.8));
+ buttonColor.setAlphaF(0.8f);
const qreal ds = r/qreal(7.0);
QRectF dialRect(dp.x() - ds, dp.y() - ds, 2*ds, 2*ds);
QRadialGradient dialGradient(dialRect.center().x() + dialRect.width()/2,
@@ -347,7 +364,7 @@ void drawBorderPixmap(const QPixmap &pixmap, QPainter *painter, const QRect &rec
QRect(left, 0, size.width() -right - left, top));
//top-left
- if(left > 0)
+ if (left > 0)
painter->drawPixmap(QRect(rect.left(), rect.top(), left, top), pixmap,
QRect(0, 0, left, top));