- Enhancement: Better contrast for scroller slider in dark theme.
This commit is contained in:
Roy Qu
parent
eda8611c1b
commit
a76729e90a
1
NEWS.md
1
NEWS.md
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@ -34,6 +34,7 @@ Red Panda C++ Version 2.26
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- change: Don't auto add; when completing '{' for lines starting with 'struct/union/enum' and ending with ')'
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- change: Don't auto add; when completing '{' for lines starting with 'struct/union/enum' and ending with ')'
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- Enhancement: Better support for macros.
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- Enhancement: Better support for macros.
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- Enhancement: Better type induction for auto in foreach loop of maps.
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- Enhancement: Better type induction for auto in foreach loop of maps.
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- Enhancement: Better contrast for scroller slider in dark theme.
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Red Panda C++ Version 2.25
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Red Panda C++ Version 2.25
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@ -14,7 +14,7 @@
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* You should have received a copy of the GNU General Public License
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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*/
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#include "darkfusionstyle.h"
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#include <QPainter>
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#include <QPainter>
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#include <QStyleOption>
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#include <QStyleOption>
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@ -25,6 +25,8 @@
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#include <QPixmapCache>
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#include <QPixmapCache>
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#include <QApplication>
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#include <QApplication>
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#include <QSvgRenderer>
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#include <QSvgRenderer>
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#include <QScrollBar>
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#include "darkfusionstyle.h"
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#include "../settings.h"
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#include "../settings.h"
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#if defined(Q_OS_MACX)
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#if defined(Q_OS_MACX)
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@ -188,20 +190,32 @@ static QColor calcHighlight(const QPalette &pal) {
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return pal.color(QPalette::Highlight);
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return pal.color(QPalette::Highlight);
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}
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}
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static QColor calcBackgroundColor(const QPalette &pal, const QWidget* widget)
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{
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#if QT_CONFIG(scrollarea)
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if (qobject_cast<const QScrollBar *>(widget) && widget->parent() &&
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qobject_cast<const QAbstractScrollArea *>(widget->parent()->parent()))
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return widget->parentWidget()->parentWidget()->palette().color(QPalette::Base);
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#else
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Q_UNUSED(widget);
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#endif
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return pal.color(QPalette::Base);
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}
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static QColor calcOutline(const QPalette &pal) {
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static QColor calcOutline(const QPalette &pal) {
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if (pal.window().style() == Qt::TexturePattern)
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if (pal.window().style() == Qt::TexturePattern)
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return QColor(255, 255, 255, 160);
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return QColor(255, 255, 255, 160);
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return pal.window().color().lighter(180);
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return pal.window().color().lighter(180);
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}
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}
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static QColor calcHighlightedOutline(const QPalette &pal) {
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inline QColor calcHighlightedOutline(const QPalette &pal) {
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QColor highlightedOutline = calcHighlight(pal).lighter(125);
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QColor highlightedOutline = calcHighlight(pal).lighter(125);
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if (highlightedOutline.value() > 160)
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if (highlightedOutline.value() > 160)
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highlightedOutline.setHsl(highlightedOutline.hue(), highlightedOutline.saturation(), 160);
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highlightedOutline.setHsl(highlightedOutline.hue(), highlightedOutline.saturation(), 160);
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return highlightedOutline;
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return highlightedOutline;
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}
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}
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static QColor calcButtonColor(const QPalette &pal) {
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inline QColor calcButtonColor(const QPalette &pal) {
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QColor buttonColor = pal.button().color();
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QColor buttonColor = pal.button().color();
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int val = qGray(buttonColor.rgb());
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int val = qGray(buttonColor.rgb());
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buttonColor = buttonColor.darker(100 + qMax(1, (180 - val)/6));
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buttonColor = buttonColor.darker(100 + qMax(1, (180 - val)/6));
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@ -215,11 +229,11 @@ static QColor calcTabFrameColor(const QPalette &pal) {
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return calcButtonColor(pal).lighter(104);
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return calcButtonColor(pal).lighter(104);
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}
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}
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static QColor calcTopShadow() {
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inline QColor calcTopShadow() {
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return QColor(255, 255, 255, 18);
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return QColor(255, 255, 255, 18);
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}
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}
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static QColor calcInnerContrastLine() {
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inline QColor calcInnerContrastLine() {
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return QColor(0, 0, 0, 30);
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return QColor(0, 0, 0, 30);
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}
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}
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@ -233,7 +247,7 @@ static QColor mergedColors(const QColor &colorA, const QColor &colorB, int facto
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return tmp;
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return tmp;
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}
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}
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static QImage styleCacheImage(const QSize &size)
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inline QImage styleCacheImage(const QSize &size)
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{
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{
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const qreal pixelRatio = qApp->devicePixelRatio();
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const qreal pixelRatio = qApp->devicePixelRatio();
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QImage cacheImage = QImage(size * pixelRatio, QImage::Format_ARGB32_Premultiplied);
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QImage cacheImage = QImage(size * pixelRatio, QImage::Format_ARGB32_Premultiplied);
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@ -241,6 +255,74 @@ static QImage styleCacheImage(const QSize &size)
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return cacheImage;
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return cacheImage;
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}
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}
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inline QPixmap styleCachePixmap(const QSize &size)
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{
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const qreal pixelRatio = qApp->devicePixelRatio();
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QPixmap cachePixmap = QPixmap(size * pixelRatio);
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cachePixmap.setDevicePixelRatio(pixelRatio);
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return cachePixmap;
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}
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static void dark_fusion_draw_arrow(Qt::ArrowType type, QPainter *painter, const QStyleOption *option, const QRect &rect, const QColor &color)
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{
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if (rect.isEmpty())
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return;
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const qreal dpi = QStyleHelper::calcDpi();
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const int arrowWidth = int(QStyleHelper::calcDpiScaled(14, dpi));
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const int arrowHeight = int(QStyleHelper::calcDpiScaled(8, dpi));
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const int arrowMax = qMin(arrowHeight, arrowWidth);
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const int rectMax = qMin(rect.height(), rect.width());
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const int size = qMin(arrowMax, rectMax);
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QPixmap cachePixmap;
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QString cacheKey =
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QString("%1-%2-%3")
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.arg(QStyleHelper::uniqueName(QLatin1String("dark-fusion-arrow"), option, rect.size()))
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.arg(type)
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.arg(color.rgba());
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if (!QPixmapCache::find(cacheKey, &cachePixmap)) {
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cachePixmap = styleCachePixmap(rect.size());
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cachePixmap.fill(Qt::transparent);
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QPainter cachePainter(&cachePixmap);
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QRectF arrowRect;
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arrowRect.setWidth(size);
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arrowRect.setHeight(arrowHeight * size / arrowWidth);
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if (type == Qt::LeftArrow || type == Qt::RightArrow)
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arrowRect = arrowRect.transposed();
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arrowRect.moveTo((rect.width() - arrowRect.width()) / 2.0,
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(rect.height() - arrowRect.height()) / 2.0);
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QPolygonF triangle;
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triangle.reserve(3);
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switch (type) {
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case Qt::DownArrow:
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triangle << arrowRect.topLeft() << arrowRect.topRight() << QPointF(arrowRect.center().x(), arrowRect.bottom());
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break;
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case Qt::RightArrow:
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triangle << arrowRect.topLeft() << arrowRect.bottomLeft() << QPointF(arrowRect.right(), arrowRect.center().y());
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break;
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case Qt::LeftArrow:
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triangle << arrowRect.topRight() << arrowRect.bottomRight() << QPointF(arrowRect.left(), arrowRect.center().y());
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break;
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default:
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triangle << arrowRect.bottomLeft() << arrowRect.bottomRight() << QPointF(arrowRect.center().x(), arrowRect.top());
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break;
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}
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cachePainter.setPen(Qt::NoPen);
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cachePainter.setBrush(color);
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cachePainter.setRenderHint(QPainter::Antialiasing);
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cachePainter.drawPolygon(triangle);
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QPixmapCache::insert(cacheKey, cachePixmap);
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}
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painter->drawPixmap(rect, cachePixmap);
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}
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void DarkFusionStyle::drawPrimitive(PrimitiveElement elem, const QStyleOption *option, QPainter *painter, const QWidget *widget) const
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void DarkFusionStyle::drawPrimitive(PrimitiveElement elem, const QStyleOption *option, QPainter *painter, const QWidget *widget) const
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@ -828,9 +910,277 @@ QIcon DarkFusionStyle::standardIcon(StandardPixmap standardIcon, const QStyleOpt
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void DarkFusionStyle::drawComplexControl(ComplexControl control, const QStyleOptionComplex *option, QPainter *painter, const QWidget *widget) const
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void DarkFusionStyle::drawComplexControl(ComplexControl control, const QStyleOptionComplex *option, QPainter *painter, const QWidget *widget) const
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{
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{
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#if QT_CONFIG(slider)
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QColor buttonColor = calcButtonColor(option->palette);
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QColor gradientStopColor = buttonColor;
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QColor gradientStartColor = buttonColor.lighter(118);
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QColor outline = calcOutline(option->palette);
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#endif
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switch(control) {
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#if QT_CONFIG(slider)
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case CC_ScrollBar:
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painter->save();
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if (const QStyleOptionSlider *scrollBar = qstyleoption_cast<const QStyleOptionSlider *>(option)) {
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bool wasActive = false;
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qreal expandScale = 1.0;
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qreal expandOffset = -1.0;
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QObject *styleObject = option->styleObject;
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if (styleObject && proxy()->styleHint(SH_ScrollBar_Transient, option, widget)) {
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int oldPos = styleObject->property("_q_stylepos").toInt();
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int oldMin = styleObject->property("_q_stylemin").toInt();
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int oldMax = styleObject->property("_q_stylemax").toInt();
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QRect oldRect = styleObject->property("_q_stylerect").toRect();
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QStyle::State oldState = static_cast<QStyle::State>(qvariant_cast<QStyle::State::Int>(styleObject->property("_q_stylestate")));
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uint oldActiveControls = styleObject->property("_q_stylecontrols").toUInt();
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// a scrollbar is transient when the scrollbar itself and
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// its sibling are both inactive (ie. not pressed/hovered/moved)
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bool transient = !option->activeSubControls && !(option->state & State_On);
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if (!transient ||
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oldPos != scrollBar->sliderPosition ||
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oldMin != scrollBar->minimum ||
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oldMax != scrollBar->maximum ||
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oldRect != scrollBar->rect ||
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oldState != scrollBar->state ||
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oldActiveControls != scrollBar->activeSubControls) {
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styleObject->setProperty("_q_stylepos", scrollBar->sliderPosition);
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styleObject->setProperty("_q_stylemin", scrollBar->minimum);
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styleObject->setProperty("_q_stylemax", scrollBar->maximum);
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styleObject->setProperty("_q_stylerect", scrollBar->rect);
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styleObject->setProperty("_q_stylestate", static_cast<QStyle::State::Int>(scrollBar->state));
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styleObject->setProperty("_q_stylecontrols", static_cast<uint>(scrollBar->activeSubControls));
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}
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}
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bool transient = proxy()->styleHint(SH_ScrollBar_Transient, option, widget);
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bool horizontal = scrollBar->orientation == Qt::Horizontal;
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bool sunken = scrollBar->state & State_Sunken;
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QRect scrollBarSubLine = proxy()->subControlRect(control, scrollBar, SC_ScrollBarSubLine, widget);
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QRect scrollBarAddLine = proxy()->subControlRect(control, scrollBar, SC_ScrollBarAddLine, widget);
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QRect scrollBarSlider = proxy()->subControlRect(control, scrollBar, SC_ScrollBarSlider, widget);
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QRect scrollBarGroove = proxy()->subControlRect(control, scrollBar, SC_ScrollBarGroove, widget);
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QRect rect = option->rect;
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QColor alphaOutline = outline;
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alphaOutline.setAlpha(180);
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QColor arrowColor = option->palette.windowText().color();
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arrowColor.setAlpha(160);
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const QColor bgColor = calcBackgroundColor(option->palette, widget);
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const bool isDarkBg = bgColor.red() < 128 && bgColor.green() < 128 && bgColor.blue() < 128;
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if (transient) {
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if (horizontal) {
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rect.setY(rect.y() + 4.5 - expandOffset);
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scrollBarSlider.setY(scrollBarSlider.y() + 4.5 - expandOffset);
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scrollBarGroove.setY(scrollBarGroove.y() + 4.5 - expandOffset);
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rect.setHeight(rect.height() * expandScale);
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scrollBarGroove.setHeight(scrollBarGroove.height() * expandScale);
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} else {
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rect.setX(rect.x() + 4.5 - expandOffset);
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scrollBarSlider.setX(scrollBarSlider.x() + 4.5 - expandOffset);
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scrollBarGroove.setX(scrollBarGroove.x() + 4.5 - expandOffset);
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rect.setWidth(rect.width() * expandScale);
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scrollBarGroove.setWidth(scrollBarGroove.width() * expandScale);
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}
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}
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// Paint groove
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if ((!transient || scrollBar->activeSubControls || wasActive) && scrollBar->subControls & SC_ScrollBarGroove) {
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QLinearGradient gradient(rect.center().x(), rect.top(),
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rect.center().x(), rect.bottom());
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if (!horizontal)
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gradient = QLinearGradient(rect.left(), rect.center().y(),
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rect.right(), rect.center().y());
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if (!transient || !isDarkBg) {
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gradient.setColorAt(0, buttonColor.darker(107));
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gradient.setColorAt(0.1, buttonColor.darker(105));
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gradient.setColorAt(0.9, buttonColor.darker(105));
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gradient.setColorAt(1, buttonColor.darker(107));
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} else {
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gradient.setColorAt(0, bgColor.lighter(157));
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gradient.setColorAt(0.1, bgColor.lighter(155));
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gradient.setColorAt(0.9, bgColor.lighter(155));
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gradient.setColorAt(1, bgColor.lighter(157));
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}
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painter->save();
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if (transient)
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painter->setOpacity(0.8);
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painter->fillRect(rect, gradient);
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painter->setPen(Qt::NoPen);
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if (transient)
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painter->setOpacity(0.4);
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painter->setPen(alphaOutline);
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if (horizontal)
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painter->drawLine(rect.topLeft(), rect.topRight());
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else
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painter->drawLine(rect.topLeft(), rect.bottomLeft());
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QColor subtleEdge = alphaOutline;
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subtleEdge.setAlpha(40);
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painter->setPen(subtleEdge);
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painter->setBrush(Qt::NoBrush);
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painter->setClipRect(scrollBarGroove.adjusted(1, 0, -1, -3));
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painter->drawRect(scrollBarGroove.adjusted(1, 0, -1, -1));
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painter->restore();
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}
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QRect pixmapRect = scrollBarSlider;
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QLinearGradient gradient(pixmapRect.center().x(), pixmapRect.top(),
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pixmapRect.center().x(), pixmapRect.bottom());
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if (!horizontal)
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gradient = QLinearGradient(pixmapRect.left(), pixmapRect.center().y(),
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pixmapRect.right(), pixmapRect.center().y());
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QLinearGradient highlightedGradient = gradient;
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QColor midColor2 = mergedColors(gradientStartColor, gradientStopColor, 40);
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gradient.setColorAt(0, calcButtonColor(option->palette).lighter(108));
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gradient.setColorAt(1, calcButtonColor(option->palette));
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highlightedGradient.setColorAt(0, gradientStartColor.darker(102));
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highlightedGradient.setColorAt(1, gradientStopColor.lighter(102));
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// Paint slider
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if (scrollBar->subControls & SC_ScrollBarSlider) {
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if (transient) {
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QRect rect = scrollBarSlider.adjusted(horizontal ? 1 : 2, horizontal ? 2 : 1, -1, -1);
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painter->setPen(Qt::NoPen);
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painter->setBrush(isDarkBg ? calcLightShade() : calcDarkShade());
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int r = qMin(rect.width(), rect.height()) / 2;
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painter->save();
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painter->setRenderHint(QPainter::Antialiasing, true);
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painter->drawRoundedRect(rect, r, r);
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painter->restore();
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} else {
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QLinearGradient gradient;
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QLinearGradient highlightedGradient;
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gradient.setColorAt(0, buttonColor.lighter(200));
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gradient.setColorAt(1, buttonColor.lighter(200));
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highlightedGradient.setColorAt(0, buttonColor.lighter(200));
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highlightedGradient.setColorAt(1, buttonColor.lighter(250));
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||||||
|
QRect pixmapRect = scrollBarSlider;
|
||||||
|
painter->setPen(QPen(alphaOutline));
|
||||||
|
if (option->state & State_Sunken && scrollBar->activeSubControls & SC_ScrollBarSlider)
|
||||||
|
painter->setBrush(gradient);
|
||||||
|
else if (option->state & State_MouseOver && scrollBar->activeSubControls & SC_ScrollBarSlider)
|
||||||
|
painter->setBrush(highlightedGradient);
|
||||||
|
else
|
||||||
|
painter->setBrush(gradient);
|
||||||
|
|
||||||
|
painter->drawRect(pixmapRect.adjusted(horizontal ? -1 : 0, horizontal ? 0 : -1, horizontal ? 0 : 1, horizontal ? 1 : 0));
|
||||||
|
|
||||||
|
painter->setPen(calcInnerContrastLine());
|
||||||
|
painter->drawRect(scrollBarSlider.adjusted(horizontal ? 0 : 1, horizontal ? 1 : 0, -1, -1));
|
||||||
|
|
||||||
|
// Outer shadow
|
||||||
|
// painter->setPen(subtleEdge);
|
||||||
|
// if (horizontal) {
|
||||||
|
//// painter->drawLine(scrollBarSlider.topLeft() + QPoint(-2, 0), scrollBarSlider.bottomLeft() + QPoint(2, 0));
|
||||||
|
//// painter->drawLine(scrollBarSlider.topRight() + QPoint(-2, 0), scrollBarSlider.bottomRight() + QPoint(2, 0));
|
||||||
|
// } else {
|
||||||
|
//// painter->drawLine(pixmapRect.topLeft() + QPoint(0, -2), pixmapRect.bottomLeft() + QPoint(0, -2));
|
||||||
|
//// painter->drawLine(pixmapRect.topRight() + QPoint(0, 2), pixmapRect.bottomRight() + QPoint(0, 2));
|
||||||
|
// }
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// The SubLine (up/left) buttons
|
||||||
|
if (!transient && scrollBar->subControls & SC_ScrollBarSubLine) {
|
||||||
|
if ((scrollBar->activeSubControls & SC_ScrollBarSubLine) && sunken)
|
||||||
|
painter->setBrush(gradientStopColor);
|
||||||
|
else if ((scrollBar->activeSubControls & SC_ScrollBarSubLine))
|
||||||
|
painter->setBrush(highlightedGradient);
|
||||||
|
else
|
||||||
|
painter->setBrush(gradient);
|
||||||
|
|
||||||
|
painter->setPen(Qt::NoPen);
|
||||||
|
painter->drawRect(scrollBarSubLine.adjusted(horizontal ? 0 : 1, horizontal ? 1 : 0, 0, 0));
|
||||||
|
painter->setPen(QPen(alphaOutline));
|
||||||
|
if (option->state & State_Horizontal) {
|
||||||
|
if (option->direction == Qt::RightToLeft) {
|
||||||
|
pixmapRect.setLeft(scrollBarSubLine.left());
|
||||||
|
painter->drawLine(pixmapRect.topLeft(), pixmapRect.bottomLeft());
|
||||||
|
} else {
|
||||||
|
pixmapRect.setRight(scrollBarSubLine.right());
|
||||||
|
painter->drawLine(pixmapRect.topRight(), pixmapRect.bottomRight());
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
pixmapRect.setBottom(scrollBarSubLine.bottom());
|
||||||
|
painter->drawLine(pixmapRect.bottomLeft(), pixmapRect.bottomRight());
|
||||||
|
}
|
||||||
|
|
||||||
|
QRect upRect = scrollBarSubLine.adjusted(horizontal ? 0 : 1, horizontal ? 1 : 0, horizontal ? -2 : -1, horizontal ? -1 : -2);
|
||||||
|
painter->setBrush(Qt::NoBrush);
|
||||||
|
painter->setPen(calcInnerContrastLine());
|
||||||
|
painter->drawRect(upRect);
|
||||||
|
|
||||||
|
// Arrows
|
||||||
|
Qt::ArrowType arrowType = Qt::UpArrow;
|
||||||
|
if (option->state & State_Horizontal)
|
||||||
|
arrowType = option->direction == Qt::LeftToRight ? Qt::LeftArrow : Qt::RightArrow;
|
||||||
|
dark_fusion_draw_arrow(arrowType, painter, option, upRect, arrowColor);
|
||||||
|
}
|
||||||
|
|
||||||
|
// The AddLine (down/right) button
|
||||||
|
if (!transient && scrollBar->subControls & SC_ScrollBarAddLine) {
|
||||||
|
if ((scrollBar->activeSubControls & SC_ScrollBarAddLine) && sunken)
|
||||||
|
painter->setBrush(gradientStopColor);
|
||||||
|
else if ((scrollBar->activeSubControls & SC_ScrollBarAddLine))
|
||||||
|
painter->setBrush(midColor2);
|
||||||
|
else
|
||||||
|
painter->setBrush(gradient);
|
||||||
|
|
||||||
|
painter->setPen(Qt::NoPen);
|
||||||
|
painter->drawRect(scrollBarAddLine.adjusted(horizontal ? 0 : 1, horizontal ? 1 : 0, 0, 0));
|
||||||
|
painter->setPen(QPen(alphaOutline, 1));
|
||||||
|
if (option->state & State_Horizontal) {
|
||||||
|
if (option->direction == Qt::LeftToRight) {
|
||||||
|
pixmapRect.setLeft(scrollBarAddLine.left());
|
||||||
|
painter->drawLine(pixmapRect.topLeft(), pixmapRect.bottomLeft());
|
||||||
|
} else {
|
||||||
|
pixmapRect.setRight(scrollBarAddLine.right());
|
||||||
|
painter->drawLine(pixmapRect.topRight(), pixmapRect.bottomRight());
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
pixmapRect.setTop(scrollBarAddLine.top());
|
||||||
|
painter->drawLine(pixmapRect.topLeft(), pixmapRect.topRight());
|
||||||
|
}
|
||||||
|
|
||||||
|
QRect downRect = scrollBarAddLine.adjusted(1, 1, -1, -1);
|
||||||
|
painter->setPen(calcInnerContrastLine());
|
||||||
|
painter->setBrush(Qt::NoBrush);
|
||||||
|
painter->drawRect(downRect);
|
||||||
|
|
||||||
|
Qt::ArrowType arrowType = Qt::DownArrow;
|
||||||
|
if (option->state & State_Horizontal)
|
||||||
|
arrowType = option->direction == Qt::LeftToRight ? Qt::RightArrow : Qt::LeftArrow;
|
||||||
|
dark_fusion_draw_arrow(arrowType, painter, option, downRect, arrowColor);
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
painter->restore();
|
||||||
|
break;;
|
||||||
|
#endif // QT_CONFIG(slider)
|
||||||
|
default:
|
||||||
QProxyStyle::drawComplexControl(control,option,painter,widget);
|
QProxyStyle::drawComplexControl(control,option,painter,widget);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
int DarkFusionStyle::pixelMetric(PixelMetric metric, const QStyleOption *option, const QWidget *widget) const
|
int DarkFusionStyle::pixelMetric(PixelMetric metric, const QStyleOption *option, const QWidget *widget) const
|
||||||
{
|
{
|
||||||
switch ( metric ) {
|
switch ( metric ) {
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue