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workxpproxystyle.cpp
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#include "workxpproxystyle.h"
#include "utilities.h"
#include <QAbstractScrollArea>
#include <QApplication>
#include <QMainWindow>
#include <QPainter>
#include <QPixmapCache>
#include <QScrollBar>
#include <QStringBuilder>
#include <QStyleOptionComplex>
#include <QtMath>
#include <QDebug>
#include <QPainterPath>
/*
* Below there are a lot of helper functions which are copied from various
* private Qt parts that are used by the Fusion style, on which the Tiled style
* is based.
*
* These parts are Copyright (C) 2015 The Qt Company Ltd.
* Used under the terms of the GNU Lesser General Public License version 2.1
*/
// internal helper. Converts an integer value to an unique string token
template <typename T>
struct HexString
{
inline explicit HexString(const T t)
: val(t)
{}
inline void write(QChar *&dest) const
{
const ushort hexChars[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
const char *c = reinterpret_cast<const char *>(&val);
for (uint i = 0; i < sizeof(T); ++i) {
*dest++ = hexChars[*c & 0xf];
*dest++ = hexChars[(*c & 0xf0) >> 4];
++c;
}
}
const T val;
};
// specialization to enable fast concatenating of our string tokens to a string
template <typename T>
struct QConcatenable<HexString<T> >
{
typedef HexString<T> type;
enum { ExactSize = true };
static int size(const HexString<T> &) { return sizeof(T) * 2; }
static inline void appendTo(const HexString<T> &str, QChar *&out) { str.write(out); }
typedef QString ConvertTo;
};
static QString uniqueName(const QString &key, const QStyleOption *option, const QSize &size)
{
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());
if (const QStyleOptionSpinBox *spinBox = qstyleoption_cast<const QStyleOptionSpinBox *>(option)) {
tmp = tmp % HexString<uint>(spinBox->buttonSymbols)
% HexString<uint>(spinBox->stepEnabled)
% QLatin1Char(spinBox->frame ? '1' : '0'); ;
}
return tmp;
}
static QColor mergedColors(const QColor &colorA, const QColor &colorB, int factor = 50)
{
const int maxFactor = 100;
QColor tmp = colorA;
tmp.setRed((tmp.red() * factor) / maxFactor + (colorB.red() * (maxFactor - factor)) / maxFactor);
tmp.setGreen((tmp.green() * factor) / maxFactor + (colorB.green() * (maxFactor - factor)) / maxFactor);
tmp.setBlue((tmp.blue() * factor) / maxFactor + (colorB.blue() * (maxFactor - factor)) / maxFactor);
return tmp;
}
static inline QPixmap styleCachePixmap(const QSize &size)
{
const qreal pixelRatio = qApp->devicePixelRatio();
QPixmap cachePixmap = QPixmap(size * pixelRatio);
cachePixmap.setDevicePixelRatio(pixelRatio);
return cachePixmap;
}
static void qt_fusion_draw_arrow(Qt::ArrowType type, QPainter *painter, const QStyleOption *option, const QRect &rect, const QColor &color)
{
const int arrowWidth = Utilities::dpiScaled(14);
const int arrowHeight = Utilities::dpiScaled(8);
const int arrowMax = qMin(arrowHeight, arrowWidth);
const int rectMax = qMin(rect.height(), rect.width());
const int size = qMin(arrowMax, rectMax);
QPixmap cachePixmap;
QString cacheKey = uniqueName(QLatin1String("fusion-arrow"), option, rect.size())
% HexString<uint>(type)
% HexString<uint>(color.rgba());
if (!QPixmapCache::find(cacheKey, cachePixmap)) {
cachePixmap = styleCachePixmap(rect.size());
cachePixmap.fill(Qt::transparent);
QPainter cachePainter(&cachePixmap);
QRectF arrowRect;
arrowRect.setWidth(size);
arrowRect.setHeight(arrowHeight * size / arrowWidth);
if (type == Qt::LeftArrow || type == Qt::RightArrow)
arrowRect = QRectF(arrowRect.topLeft(), arrowRect.size().transposed());
arrowRect.moveTo((rect.width() - arrowRect.width()) / 2.0,
(rect.height() - arrowRect.height()) / 2.0);
QPolygonF triangle;
triangle.reserve(3);
switch (type) {
case Qt::DownArrow:
triangle << arrowRect.topLeft() << arrowRect.topRight() << QPointF(arrowRect.center().x(), arrowRect.bottom());
break;
case Qt::RightArrow:
triangle << arrowRect.topLeft() << arrowRect.bottomLeft() << QPointF(arrowRect.right(), arrowRect.center().y());
break;
case Qt::LeftArrow:
triangle << arrowRect.topRight() << arrowRect.bottomRight() << QPointF(arrowRect.left(), arrowRect.center().y());
break;
default:
triangle << arrowRect.bottomLeft() << arrowRect.bottomRight() << QPointF(arrowRect.center().x(), arrowRect.top());
break;
}
cachePainter.setPen(Qt::NoPen);
cachePainter.setBrush(color);
cachePainter.setRenderHint(QPainter::Antialiasing);
cachePainter.drawPolygon(triangle);
QPixmapCache::insert(cacheKey, cachePixmap);
}
painter->drawPixmap(rect, cachePixmap);
}
enum Direction {
TopDown,
FromLeft,
BottomUp,
FromRight
};
// The default button and handle gradient
static QLinearGradient qt_fusion_gradient(const QRect &rect, const QBrush &baseColor, Direction direction = TopDown)
{
int x = rect.center().x();
int y = rect.center().y();
QLinearGradient gradient;
switch (direction) {
case FromLeft:
gradient = QLinearGradient(rect.left(), y, rect.right(), y);
break;
case FromRight:
gradient = QLinearGradient(rect.right(), y, rect.left(), y);
break;
case BottomUp:
gradient = QLinearGradient(x, rect.bottom(), x, rect.top());
break;
case TopDown:
default:
gradient = QLinearGradient(x, rect.top(), x, rect.bottom());
break;
}
if (baseColor.gradient())
gradient.setStops(baseColor.gradient()->stops());
else {
QColor gradientStartColor = baseColor.color().lighter(124);
QColor gradientStopColor = baseColor.color().lighter(102);
gradient.setColorAt(0, gradientStartColor);
gradient.setColorAt(1, gradientStopColor);
}
return gradient;
}
static QColor getOutlineColor(const QPalette &pal)
{
return pal.window().color().darker(140);
}
static QColor getLightOutlineColor(const QPalette &pal)
{
return pal.window().color().lighter(140);
}
static QColor getHighlightedOutline(const QPalette &pal)
{
QColor highlightedOutline = pal.highlight().color().darker(125);
if (highlightedOutline.value() > 160)
highlightedOutline.setHsl(highlightedOutline.hue(), highlightedOutline.saturation(), 160);
return highlightedOutline;
}
static QColor getSliderColor(const QPalette &pal, bool isDarkBg)
{
return isDarkBg ? pal.button().color() : pal.window().color().darker(170);
}
static QColor getSliderOutline(const QPalette &pal, bool isDarkBg)
{
return isDarkBg ? getOutlineColor(pal) : getSliderColor(pal, isDarkBg);
}
static QColor getButtonColor(const QPalette &pal)
{
QColor buttonColor = pal.button().color();
int val = qGray(buttonColor.rgb());
buttonColor = buttonColor.lighter(100 + qMax(1, (180 - val)/6));
buttonColor.setHsv(buttonColor.hue(), buttonColor.saturation() * 0.75, buttonColor.value());
return buttonColor;
}
static QColor innerContrastLine()
{
return QColor(255, 255, 255, 30);
}
static QColor lightShade()
{
return QColor(255, 255, 255, 90);
}
static QColor darkShade()
{
return QColor(0, 0, 0, 60);
}
static QColor getTabFrameColor(const QPalette &pal)
{
return getButtonColor(pal).lighter(104);
}
static qreal roundedRectRadius()
{
static qreal radius = Utilities::dpiScaled(2.0);
return radius;
}
WorkxpProxyStyle::WorkxpProxyStyle(const QPalette &palette, QStyle *style)
: QProxyStyle(style)
, mPalette(palette)
, mIsDark(palette.window().color().value() <= 128)
, mDockClose(QLatin1String("://images/dock-close.png"))
, mDockRestore(QLatin1String("://images/dock-restore.png"))
{
setObjectName(QLatin1String("workxp"));
}
void WorkxpProxyStyle::setPalette(const QPalette &palette)
{
mPalette = palette;
mIsDark = palette.window().color().value() <= 128;
}
void WorkxpProxyStyle::drawPrimitive(PrimitiveElement element,
const QStyleOption *option,
QPainter *painter,
const QWidget *widget) const
{
switch (element) {
case PE_FrameGroupBox:
{
int topMargin = qMax(pixelMetric(PM_ExclusiveIndicatorHeight), option->fontMetrics.height()) + 3;
QRect frame = option->rect.adjusted(0, topMargin, -1, -1);
QColor tabFrameColor = getTabFrameColor(option->palette);
painter->save();
painter->setRenderHint(QPainter::Antialiasing);
painter->translate(0.5, 0.5);
painter->setPen(mergedColors(getOutlineColor(option->palette), tabFrameColor));
painter->setBrush(mergedColors(option->palette.window().color(), tabFrameColor));
painter->drawRoundedRect(frame, roundedRectRadius(), roundedRectRadius());
painter->restore();
break;
}
case PE_FrameTabBarBase:
if (const QStyleOptionTabBarBase *tbb
= qstyleoption_cast<const QStyleOptionTabBarBase *>(option)) {
painter->save();
painter->setPen(QPen(getOutlineColor(option->palette)));
QStyleOptionTab tabOverlap;
tabOverlap.shape = tbb->shape;
int overlap = proxy()->pixelMetric(QStyle::PM_TabBarBaseOverlap, &tabOverlap, widget);
QColor tabFrameColor = option->palette.button().color().darker(mIsDark ? 128 : 116);
QLinearGradient fillGradient;
fillGradient.setColorAt(0, tabFrameColor.darker(108));
fillGradient.setColorAt(0.2, tabFrameColor);
fillGradient.setColorAt(1, tabFrameColor);
switch (tbb->shape) {
case QTabBar::RoundedNorth: {
QRect backgroundRect(tbb->rect.left(), tbb->tabBarRect.top(),
tbb->rect.width(), tbb->tabBarRect.height() - overlap);
fillGradient.setStart(backgroundRect.topLeft());
fillGradient.setFinalStop(backgroundRect.bottomLeft() + QPoint(0, overlap));
painter->fillRect(backgroundRect, fillGradient);
painter->drawLine(tbb->rect.topLeft(), tbb->rect.topRight());
}
break;
case QTabBar::RoundedWest:
painter->drawLine(tbb->rect.left(), tbb->rect.top(),
tbb->rect.left(), tbb->rect.bottom());
break;
case QTabBar::RoundedSouth: {
QRect backgroundRect(tbb->rect.left(), tbb->tabBarRect.top() + overlap,
tbb->rect.width(), tbb->tabBarRect.height() - overlap - 1);
fillGradient.setStart(backgroundRect.topLeft());
fillGradient.setFinalStop(backgroundRect.bottomLeft() + QPoint(0, overlap));
painter->fillRect(backgroundRect, fillGradient);
painter->drawLine(tbb->rect.left(), tbb->rect.bottom(),
tbb->rect.right(), tbb->rect.bottom());
break;
}
case QTabBar::RoundedEast:
painter->drawLine(tbb->rect.topRight(), tbb->rect.bottomRight());
break;
case QTabBar::TriangularNorth:
case QTabBar::TriangularEast:
case QTabBar::TriangularWest:
case QTabBar::TriangularSouth:
painter->restore();
QCommonStyle::drawPrimitive(element, option, painter, widget);
return;
}
painter->restore();
}
return;
case PE_IndicatorCheckBox:
painter->save();
if (const QStyleOptionButton *checkbox = qstyleoption_cast<const QStyleOptionButton*>(option)) {
painter->setRenderHint(QPainter::Antialiasing, true);
painter->translate(0.5, 0.5);
QRect rect = option->rect.adjusted(0, 0, -1, -1);
int state = option->state;
QColor pressedColor = mergedColors(option->palette.base().color(),
option->palette.foreground().color(), 85);
painter->setBrush(Qt::NoBrush);
// Gradient fill
QLinearGradient gradient(rect.topLeft(), rect.bottomLeft());
gradient.setColorAt(0, (state & State_Sunken) ? pressedColor : option->palette.base().color().darker(115));
gradient.setColorAt(0.15, (state & State_Sunken) ? pressedColor : option->palette.base().color());
gradient.setColorAt(1, (state & State_Sunken) ? pressedColor : option->palette.base().color());
painter->setBrush((state & State_Sunken) ? QBrush(pressedColor) : gradient);
QColor boxOutline(mIsDark ? getLightOutlineColor(option->palette) :
getOutlineColor(option->palette));
boxOutline.setAlpha(200);
painter->setPen(boxOutline);
if (option->state & State_HasFocus && option->state & State_KeyboardFocusChange)
painter->setPen(QPen(getHighlightedOutline(option->palette)));
painter->drawRect(rect);
QColor checkMarkColor = option->palette.text().color().darker(120);
const int checkMarkPadding = Utilities::dpiScaled(3);
if (checkbox->state & State_NoChange) {
gradient = QLinearGradient(rect.topLeft(), rect.bottomLeft());
checkMarkColor.setAlpha(80);
gradient.setColorAt(0, checkMarkColor);
checkMarkColor.setAlpha(140);
gradient.setColorAt(1, checkMarkColor);
checkMarkColor.setAlpha(180);
painter->setPen(QPen(checkMarkColor, 1));
painter->setBrush(gradient);
painter->drawRect(rect.adjusted(checkMarkPadding, checkMarkPadding, -checkMarkPadding, -checkMarkPadding));
} else if (checkbox->state & (State_On)) {
QPen checkPen = QPen(checkMarkColor, Utilities::dpiScaled(1.8));
checkMarkColor.setAlpha(210);
painter->translate(-1, 0.5);
painter->setPen(checkPen);
painter->setBrush(Qt::NoBrush);
painter->translate(0.2, 0.0);
// Draw checkmark
QPainterPath path;
path.moveTo(2 + checkMarkPadding, rect.height() / 2.0);
path.lineTo(rect.width() / 2.0, rect.height() - checkMarkPadding);
path.lineTo(rect.width() - checkMarkPadding, checkMarkPadding);
painter->drawPath(path.translated(rect.topLeft()));
}
}
painter->restore();
break;
case PE_IndicatorTabClose:
{
bool hovered = (option->state & State_Enabled) && (option->state & State_MouseOver);
if (hovered)
proxy()->drawPrimitive(PE_PanelButtonCommand, option, painter, widget);
QColor textColor = option->palette.text().color();
qreal penWidth = Utilities::dpiScaled(1.25);
QPen foregroundPen(textColor, penWidth, Qt::SolidLine, Qt::RoundCap);
QPen shadowPen(QColor(0, 0, 0, 200), penWidth, Qt::SolidLine, Qt::RoundCap);
if (!mIsDark) {
if (!hovered && !(option->state & State_Selected))
shadowPen.setColor(QColor(255, 255, 255, 200));
else
shadowPen.setColor(QColor(255, 255, 255, 255));
} else {
if (!hovered && !(option->state & State_Selected)) {
textColor.setAlpha(192);
foregroundPen.setColor(textColor);
}
}
QRect iconRect = Utilities::dpiScaled(QRectF(0, 0, 8, 8)).toRect();
iconRect.moveCenter(option->rect.center());
const QPoint lines[] = {
iconRect.topLeft(), iconRect.bottomRight(),
iconRect.topRight(), iconRect.bottomLeft(),
};
painter->save();
painter->setRenderHint(QPainter::Antialiasing, true);
painter->translate(0.5, 1.5);
painter->setPen(shadowPen);
painter->drawLines(lines, 2);
painter->translate(0.0, -1.0);
painter->setPen(foregroundPen);
painter->drawLines(lines, 2);
painter->restore();
break;
}
case PE_PanelButtonTool:
{
bool isDown = (option->state & State_Sunken);
if (!isDown){
break;
}
}
case PE_PanelButtonCommand:
{
painter->save();
bool isDefault = false;
bool isFlat = false;
bool isDown = (option->state & State_Sunken) || (option->state & State_On);
QRect r;
if (const QStyleOptionButton *button = qstyleoption_cast<const QStyleOptionButton*>(option)) {
isDefault = (button->features & QStyleOptionButton::DefaultButton) && (button->state & State_Enabled);
isFlat = (button->features & QStyleOptionButton::Flat);
}
if (isFlat && !isDown) {
if (isDefault) {
r = option->rect.adjusted(0, 1, 0, -1);
painter->setPen(QPen(Qt::black));
const QLine lines[4] = {
QLine(QPoint(r.left() + 2, r.top()),
QPoint(r.right() - 2, r.top())),
QLine(QPoint(r.left(), r.top() + 2),
QPoint(r.left(), r.bottom() - 2)),
QLine(QPoint(r.right(), r.top() + 2),
QPoint(r.right(), r.bottom() - 2)),
QLine(QPoint(r.left() + 2, r.bottom()),
QPoint(r.right() - 2, r.bottom()))
};
painter->drawLines(lines, 4);
const QPoint points[4] = {
QPoint(r.right() - 1, r.bottom() - 1),
QPoint(r.right() - 1, r.top() + 1),
QPoint(r.left() + 1, r.bottom() - 1),
QPoint(r.left() + 1, r.top() + 1)
};
painter->drawPoints(points, 4);
}
return;
}
r = option->rect.adjusted(0, 1, -1, 0);
bool isEnabled = option->state & State_Enabled;
bool hasFocus = (option->state & State_HasFocus && option->state & State_KeyboardFocusChange);
QColor buttonColor = getButtonColor(option->palette);
QColor darkOutline = getOutlineColor(option->palette);
if (hasFocus | isDefault) {
darkOutline = getHighlightedOutline(option->palette);
}
if (isDefault)
buttonColor = mergedColors(buttonColor, getHighlightedOutline(option->palette).lighter(130), 90);
painter->setRenderHint(QPainter::Antialiasing, true);
painter->translate(0.5, -0.5);
QColor downColor = buttonColor.darker(110);
if (option->state & State_On)
downColor = option->palette.button().color().darker(mIsDark ? 128 : 116);
QLinearGradient gradient = qt_fusion_gradient(option->rect, (isEnabled && option->state & State_MouseOver ) ? buttonColor : buttonColor.darker(104));
painter->setPen(Qt::transparent);
painter->setBrush(isDown ? QBrush(downColor) : gradient);
painter->drawRoundedRect(r, roundedRectRadius(), roundedRectRadius());
painter->setBrush(Qt::NoBrush);
// Outline
painter->setPen(!isEnabled ? QPen(darkOutline.lighter(115)) : QPen(darkOutline));
painter->drawRoundedRect(r, roundedRectRadius(), roundedRectRadius());
painter->setPen(innerContrastLine());
painter->drawRoundedRect(r.adjusted(1, 1, -1, -1), roundedRectRadius(), roundedRectRadius());
painter->restore();
break;
}
default:
QProxyStyle::drawPrimitive(element, option, painter, widget);
break;
}
}
void WorkxpProxyStyle::drawControl(ControlElement element,
const QStyleOption *option,
QPainter *painter,
const QWidget *widget) const
{
QRect rect = option->rect;
QColor outline = getOutlineColor(option->palette);
QColor shadow = darkShade();
switch (element) {
case CE_Splitter: // Copied to adjust to DPI
{
// Don't draw handle for single pixel splitters
if (option->rect.width() > 1 && option->rect.height() > 1) {
//draw grips
int size = qRound(Utilities::dpiScaled(3));
int offset = -size / 2 + 1;
if (option->state & State_Horizontal) {
for (int j = -size * 2 ; j < size * 4; j += size) {
painter->fillRect(rect.center().x() + offset, rect.center().y() + offset + j, size - 1, size - 1, lightShade());
painter->fillRect(rect.center().x() + offset, rect.center().y() + offset + j, size - 2, size - 2, shadow);
}
} else {
for (int i = -size * 2; i < size * 4; i += size) {
painter->fillRect(rect.center().x() + offset + i, rect.center().y() + offset, size - 1, size - 1, lightShade());
painter->fillRect(rect.center().x() + offset + i, rect.center().y() + offset, size - 2, size - 2, shadow);
}
}
}
break;
}
case CE_MenuBarEmptyArea: // Copied to change bottom line color
painter->save();
{
painter->fillRect(rect, option->palette.window());
painter->setPen(option->palette.mid().color());
painter->drawLine(option->rect.bottomLeft(), option->rect.bottomRight());
}
painter->restore();
break;
case CE_ToolBar: // A lot of code copied from Fusion style, just to tweak the colors
if (const QStyleOptionToolBar *toolBar = qstyleoption_cast<const QStyleOptionToolBar *>(option)) {
// Reserve the beveled appearance only for mainwindow toolbars
if (widget && !(qobject_cast<const QMainWindow*> (widget->parentWidget())))
break;
// Draws the light line above and the dark line below menu bars and
// tool bars.
QLinearGradient gradient(option->rect.topLeft(), option->rect.bottomLeft());
if (!(option->state & State_Horizontal))
gradient = QLinearGradient(rect.left(), rect.center().y(),
rect.right(), rect.center().y());
gradient.setColorAt(0, option->palette.window().color());
gradient.setColorAt(1, option->palette.window().color().darker(104));
painter->fillRect(option->rect, gradient);
QColor light = option->palette.midlight().color();
QColor shadow = option->palette.mid().color();
QPen oldPen = painter->pen();
if (toolBar->toolBarArea == Qt::TopToolBarArea) {
if (toolBar->positionOfLine == QStyleOptionToolBar::End
|| toolBar->positionOfLine == QStyleOptionToolBar::OnlyOne) {
// The end and onlyone top toolbar lines draw a double
// line at the bottom to blend with the central
// widget.
painter->setPen(light);
painter->drawLine(option->rect.bottomLeft(), option->rect.bottomRight());
painter->setPen(shadow);
painter->drawLine(option->rect.left(), option->rect.bottom() - 1,
option->rect.right(), option->rect.bottom() - 1);
} else {
// All others draw a single dark line at the bottom.
painter->setPen(shadow);
painter->drawLine(option->rect.bottomLeft(), option->rect.bottomRight());
}
} else if (toolBar->toolBarArea == Qt::BottomToolBarArea) {
if (toolBar->positionOfLine == QStyleOptionToolBar::End
|| toolBar->positionOfLine == QStyleOptionToolBar::Middle) {
// The end and middle bottom tool bar lines draw a dark
// line at the bottom.
painter->setPen(shadow);
painter->drawLine(option->rect.bottomLeft(), option->rect.bottomRight());
}
if (toolBar->positionOfLine == QStyleOptionToolBar::Beginning
|| toolBar->positionOfLine == QStyleOptionToolBar::OnlyOne) {
// The beginning and only one tool bar lines draw a
// double line at the bottom to blend with the
// status bar.
// ### The styleoption could contain whether the
// main window has a menu bar and a status bar, and
// possibly dock widgets.
painter->setPen(shadow);
painter->drawLine(option->rect.left(), option->rect.bottom() - 1,
option->rect.right(), option->rect.bottom() - 1);
painter->setPen(light);
painter->drawLine(option->rect.bottomLeft(), option->rect.bottomRight());
}
if (toolBar->positionOfLine == QStyleOptionToolBar::End) {
painter->setPen(shadow);
painter->drawLine(option->rect.topLeft(), option->rect.topRight());
painter->setPen(light);
painter->drawLine(option->rect.left(), option->rect.top() + 1,
option->rect.right(), option->rect.top() + 1);
} else {
// All other bottom toolbars draw a light line at the top.
painter->setPen(light);
painter->drawLine(option->rect.topLeft(), option->rect.topRight());
}
}
if (toolBar->toolBarArea == Qt::LeftToolBarArea) {
if (toolBar->positionOfLine == QStyleOptionToolBar::Middle
|| toolBar->positionOfLine == QStyleOptionToolBar::End) {
// The middle and left end toolbar lines draw a light
// line to the left.
painter->setPen(light);
painter->drawLine(option->rect.topLeft(), option->rect.bottomLeft());
}
if (toolBar->positionOfLine == QStyleOptionToolBar::End) {
// All other left toolbar lines draw a dark line to the right
painter->setPen(shadow);
painter->drawLine(option->rect.right() - 1, option->rect.top(),
option->rect.right() - 1, option->rect.bottom());
painter->setPen(light);
painter->drawLine(option->rect.topRight(), option->rect.bottomRight());
} else {
// All other left toolbar lines draw a dark line to the right
painter->setPen(shadow);
painter->drawLine(option->rect.topRight(), option->rect.bottomRight());
}
} else if (toolBar->toolBarArea == Qt::RightToolBarArea) {
if (toolBar->positionOfLine == QStyleOptionToolBar::Middle
|| toolBar->positionOfLine == QStyleOptionToolBar::End) {
// Right middle and end toolbar lines draw the dark right line
painter->setPen(shadow);
painter->drawLine(option->rect.topRight(), option->rect.bottomRight());
}
if (toolBar->positionOfLine == QStyleOptionToolBar::End
|| toolBar->positionOfLine == QStyleOptionToolBar::OnlyOne) {
// The right end and single toolbar draws the dark
// line on its left edge
painter->setPen(shadow);
painter->drawLine(option->rect.topLeft(), option->rect.bottomLeft());
// And a light line next to it
painter->setPen(light);
painter->drawLine(option->rect.left() + 1, option->rect.top(),
option->rect.left() + 1, option->rect.bottom());
} else {
// Other right toolbars draw a light line on its left edge
painter->setPen(light);
painter->drawLine(option->rect.topLeft(), option->rect.bottomLeft());
}
}
painter->setPen(oldPen);
}
break;
case CE_TabBarTabShape:
painter->save();
if (const QStyleOptionTab *tab = qstyleoption_cast<const QStyleOptionTab *>(option)) {
bool rtlHorTabs = (tab->direction == Qt::RightToLeft
&& (tab->shape == QTabBar::RoundedNorth
|| tab->shape == QTabBar::RoundedSouth));
bool selected = tab->state & State_Selected;
bool lastTab = ((!rtlHorTabs && tab->position == QStyleOptionTab::End)
|| (rtlHorTabs
&& tab->position == QStyleOptionTab::Beginning));
bool onlyOne = tab->position == QStyleOptionTab::OnlyOneTab;
int tabOverlap = pixelMetric(PM_TabBarTabOverlap, option, widget);
rect = option->rect.adjusted(0, 0, (onlyOne || lastTab) ? 0 : tabOverlap, 0);
QRect r2(rect);
int x1 = r2.left();
int x2 = r2.right();
int y1 = r2.top();
int y2 = r2.bottom();
painter->setPen(innerContrastLine());
QTransform rotMatrix;
bool flip = false;
painter->setPen(shadow);
switch (tab->shape) {
case QTabBar::RoundedNorth:
break;
case QTabBar::RoundedSouth:
rotMatrix.rotate(180);
rotMatrix.translate(0, -rect.height() + 1);
rotMatrix.scale(-1, 1);
painter->setTransform(rotMatrix, true);
break;
case QTabBar::RoundedWest:
rotMatrix.rotate(180 + 90);
rotMatrix.scale(-1, 1);
flip = true;
painter->setTransform(rotMatrix, true);
break;
case QTabBar::RoundedEast:
rotMatrix.rotate(90);
rotMatrix.translate(0, - rect.width() + 1);
flip = true;
painter->setTransform(rotMatrix, true);
break;
default:
painter->restore();
QCommonStyle::drawControl(element, tab, painter, widget);
return;
}
if (flip) {
QRect tmp = rect;
rect = QRect(tmp.y(), tmp.x(), tmp.height(), tmp.width());
int temp = x1;
x1 = y1;
y1 = temp;
temp = x2;
x2 = y2;
y2 = temp;
}
painter->setRenderHint(QPainter::Antialiasing, true);
painter->translate(0.5, 0.5);
QColor tabFrameColor = (tab->features & QStyleOptionTab::HasFrame) ?
getTabFrameColor(option->palette) :
option->palette.window().color();
if (!selected) {
int f = mIsDark ? 128 : 116;
tabFrameColor = option->palette.button().color().darker(f);
}
QLinearGradient fillGradient(rect.topLeft(), rect.bottomLeft());
QPen outlinePen = outline;
if (selected) {
fillGradient.setColorAt(0, tabFrameColor.lighter(104));
// colorful selected tab
// QLinearGradient outlineGradient(rect.topLeft(), rect.bottomLeft());
// QColor highlight = option->palette.highlight().color();
// fillGradient.setColorAt(0, highlight.lighter(130));
// outlineGradient.setColorAt(0, highlight.darker(130));
// fillGradient.setColorAt(0.10, highlight);
// outlineGradient.setColorAt(0.10, highlight.darker(130));
// fillGradient.setColorAt(0.1001, tabFrameColor);
// outlineGradient.setColorAt(0.1001, highlight.darker(130));
// outlineGradient.setColorAt(1, outline);
// outlinePen = QPen(outlineGradient, 1);
fillGradient.setColorAt(1, tabFrameColor);
} else {
fillGradient.setColorAt(0, tabFrameColor);
fillGradient.setColorAt(0.85, tabFrameColor);
fillGradient.setColorAt(1, tabFrameColor.darker(116));
}
QRect drawRect = rect.adjusted(0, 0, 0, 3);
painter->setPen(outlinePen);
painter->save();
painter->setClipRect(rect.adjusted(-1, -1, 1, selected ? -2 : -3));
painter->setBrush(fillGradient);
painter->drawRect(drawRect.adjusted(0, 0, -1, -1));
painter->setBrush(Qt::NoBrush);
painter->setPen(innerContrastLine());
painter->drawRect(drawRect.adjusted(1, 1, -2, -1));
painter->restore();
if (selected) {
painter->fillRect(rect.left() + 1, rect.bottom() - 1, rect.width() - 2, rect.bottom() - 1, tabFrameColor);
painter->fillRect(QRect(rect.bottomRight() + QPoint(-2, -1), QSize(1, 1)), innerContrastLine());
painter->fillRect(QRect(rect.bottomLeft() + QPoint(0, -1), QSize(1, 1)), innerContrastLine());
painter->fillRect(QRect(rect.bottomRight() + QPoint(-1, -1), QSize(1, 1)), innerContrastLine());
}
}
painter->restore();
break;
case CE_TabBarTabLabel:
if (const QStyleOptionTab *tab = qstyleoption_cast<const QStyleOptionTab *>(option)) {
// A small hack to change the color for non-selected tabs when using a dark theme.
// This is done in order to reduce the contrast of the text on the darker tabs.
if (mIsDark && !(tab->state & State_Selected)) {
QStyleOptionTab unselectedTab{*tab};
QColor textColor = unselectedTab.palette.color(QPalette::WindowText);
textColor.setAlpha(192);
unselectedTab.palette.setColor(QPalette::WindowText, textColor);
QProxyStyle::drawControl(element, &unselectedTab, painter, widget);
} else {
QProxyStyle::drawControl(element, option, painter, widget);
}
}
break;
default:
QProxyStyle::drawControl(element, option, painter, widget);
break;
}
}
void WorkxpProxyStyle::drawComplexControl(ComplexControl control,
const QStyleOptionComplex *option,
QPainter *painter,
const QWidget *widget) const
{
QColor buttonColor = getButtonColor(option->palette);
QColor gradientStartColor = buttonColor.lighter(118);
QColor gradientStopColor = buttonColor;
QColor outline = getOutlineColor(option->palette);
switch (control) {
case CC_ScrollBar: // replaced for higher contrast and thinner slider
painter->save();
if (const QStyleOptionSlider *scrollBar = qstyleoption_cast<const QStyleOptionSlider *>(option)) {
bool horizontal = scrollBar->orientation == Qt::Horizontal;
bool sunken = scrollBar->state & State_Sunken;
QRect scrollBarSubLine = proxy()->subControlRect(control, scrollBar, SC_ScrollBarSubLine, widget);
QRect scrollBarAddLine = proxy()->subControlRect(control, scrollBar, SC_ScrollBarAddLine, widget);
QRect scrollBarSlider = proxy()->subControlRect(control, scrollBar, SC_ScrollBarSlider, widget);
QRect rect = option->rect;
QColor alphaOutline = outline;
alphaOutline.setAlpha(180);
QColor arrowColor = option->palette.foreground().color();
arrowColor.setAlpha(220);
const QColor bgColor = mPalette.color(QPalette::Base);
const bool isDarkBg = bgColor.red() < 128 && bgColor.green() < 128 && bgColor.blue() < 128;
// Paint groove
if (scrollBar->subControls & SC_ScrollBarGroove) {
QLinearGradient gradient(rect.center().x(), rect.top(),
rect.center().x(), rect.bottom());
if (!horizontal)
gradient = QLinearGradient(rect.left(), rect.center().y(),
rect.right(), rect.center().y());
gradient.setColorAt(0, bgColor.darker(150));
gradient.setColorAt(0.5, bgColor.darker(120));
gradient.setColorAt(1, bgColor.darker(110));
painter->fillRect(rect, gradient);
painter->setPen(outline);
if (horizontal)
painter->drawLine(rect.topLeft(), rect.topRight());
else
painter->drawLine(rect.topLeft(), rect.bottomLeft());
}
QRect pixmapRect = scrollBarSlider;
QLinearGradient gradient(pixmapRect.center().x(), pixmapRect.top(),
pixmapRect.center().x(), pixmapRect.bottom());
if (!horizontal)
gradient = QLinearGradient(pixmapRect.left(), pixmapRect.center().y(),
pixmapRect.right(), pixmapRect.center().y());
gradient.setColorAt(0, buttonColor.lighter(108));
gradient.setColorAt(1, buttonColor);
QLinearGradient highlightedGradient = gradient;
highlightedGradient.setColorAt(0, gradientStartColor.darker(102));
highlightedGradient.setColorAt(1, gradientStopColor.lighter(102));
// Paint slider
if (scrollBar->subControls & SC_ScrollBarSlider) {
QColor sliderColor = getSliderColor(option->palette, isDarkBg);
int margin = qRound(Utilities::dpiScaled(2));
QRect sliderRect = scrollBarSlider.adjusted(margin + 1, margin, -margin - 1, -margin - 1);
if (horizontal)
sliderRect = scrollBarSlider.adjusted(margin, margin + 1, -margin - 1, -margin - 1);
painter->setPen(QPen(getSliderOutline(option->palette, isDarkBg)));
if (sunken && scrollBar->activeSubControls & SC_ScrollBarSlider) {
QLinearGradient sunkenGradient = gradient;
sunkenGradient.setColorAt(0, sliderColor.lighter(130));
sunkenGradient.setColorAt(1, sliderColor.lighter(105));
painter->setBrush(sunkenGradient);
} else if (option->state & State_MouseOver && scrollBar->activeSubControls & SC_ScrollBarSlider) {
QLinearGradient highlightedGradient = gradient;
highlightedGradient.setColorAt(0, sliderColor.lighter(135));
highlightedGradient.setColorAt(1, sliderColor.lighter(110));
painter->setBrush(highlightedGradient);
} else {
QLinearGradient sliderGradient = gradient;
sliderGradient.setColorAt(0, sliderColor.lighter(120));
sliderGradient.setColorAt(1, sliderColor);
painter->setBrush(sliderGradient);
}
painter->save();
painter->setRenderHint(QPainter::Antialiasing, true);
painter->translate(0.5, 0.5);
painter->drawRoundedRect(sliderRect, roundedRectRadius(), roundedRectRadius());
painter->setPen(innerContrastLine());
painter->drawRoundedRect(sliderRect.adjusted(1, 1, -1, -1), roundedRectRadius(), roundedRectRadius());
painter->restore();
}
// The SubLine (up/left) buttons
if (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(Qt::NoBrush);
painter->setPen(Qt::NoPen);
painter->drawRect(scrollBarSubLine.adjusted(horizontal ? 0 : 1, horizontal ? 1 : 0, 0, 0));
painter->setPen(QPen(alphaOutline));
if (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(innerContrastLine());
painter->drawRect(upRect);
// Arrows
Qt::ArrowType arrowType = Qt::UpArrow;
if (horizontal)
arrowType = option->direction == Qt::LeftToRight ? Qt::LeftArrow : Qt::RightArrow;
qt_fusion_draw_arrow(arrowType, painter, option, upRect, arrowColor);
}
// The AddLine (down/right) button
if (scrollBar->subControls & SC_ScrollBarAddLine) {
if ((scrollBar->activeSubControls & SC_ScrollBarAddLine) && sunken)
painter->setBrush(gradientStopColor);
else if ((scrollBar->activeSubControls & SC_ScrollBarAddLine))
painter->setBrush(highlightedGradient);
else
painter->setBrush(Qt::NoBrush);
painter->setPen(Qt::NoPen);
painter->drawRect(scrollBarAddLine.adjusted(horizontal ? 0 : 1, horizontal ? 1 : 0, 0, 0));
painter->setPen(QPen(alphaOutline, 1));
if (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());