-QColor QssParser::parseColor(const QString &str) {
- if(str.startsWith("rgba")) {
- ColorTuple tuple = parseColorTuple(str.mid(4));
- if(tuple.count() == 4)
- return QColor(tuple.at(0), tuple.at(1), tuple.at(2), tuple.at(3));
- } else if(str.startsWith("rgb")) {
- ColorTuple tuple = parseColorTuple(str.mid(3));
- if(tuple.count() == 3)
- return QColor(tuple.at(0), tuple.at(1), tuple.at(2));
- } else if(str.startsWith("hsva")) {
- ColorTuple tuple = parseColorTuple(str.mid(4));
- if(tuple.count() == 4) {
- QColor c;
- c.setHsvF(tuple.at(0), tuple.at(1), tuple.at(2), tuple.at(3));
- return c;
- }
- } else if(str.startsWith("hsv")) {
- ColorTuple tuple = parseColorTuple(str.mid(3));
- if(tuple.count() == 3) {
- QColor c;
- c.setHsvF(tuple.at(0), tuple.at(1), tuple.at(2));
- return c;
- }
- } else {
- QRegExp rx("#?[0-9A-Fa-z]+");
- if(rx.exactMatch(str))
- return QColor(str);
- }
- return QColor();
+/******** Brush ********/
+
+QBrush QssParser::parseBrush(const QString &str, bool *ok)
+{
+ if (ok)
+ *ok = false;
+ QColor c = parseColor(str);
+ if (c.isValid()) {
+ if (ok)
+ *ok = true;
+ return QBrush(c);
+ }
+
+ if (str.startsWith("palette")) { // Palette color role
+ // Does the palette follow the expected format? For example:
+ // palette(marker-line)
+ // palette ( system-color-0f )
+ //
+ // Match the palette marker, grabbing the name inside in case-sensitive manner
+ // palette\s*\(\s*([a-z-0-9]+)\s*\)
+ // palette Match the string 'palette'
+ // \s* Match any amount of whitespace
+ // \(, \) Match literal '(' or ')' marks
+ // (...+) Match contents between 1 and unlimited number of times
+ // [a-z-] Match any character from a-z, case sensitive
+ // [0-9] Match any digit from 0-9
+ // Note that '\' must be escaped as '\\'
+ // Helpful interactive website for debugging and explaining: https://regex101.com/
+ static const QRegExp rx("palette\\s*\\(\\s*([a-z-0-9]+)\\s*\\)");
+ if (!rx.exactMatch(str)) {
+ qWarning() << Q_FUNC_INFO << tr("Invalid palette color role specification: %1").arg(str);
+ return QBrush();
+ }
+ if (_paletteColorRoles.contains(rx.cap(1)))
+ return QBrush(_palette.brush(_paletteColorRoles.value(rx.cap(1))));
+ if (_uiStyleColorRoles.contains(rx.cap(1)))
+ return QBrush(_uiStylePalette.at(static_cast<int>(_uiStyleColorRoles.value(rx.cap(1)))));
+ qWarning() << Q_FUNC_INFO << tr("Unknown palette color role: %1").arg(rx.cap(1));
+ return QBrush();
+ }
+ else if (str.startsWith("qlineargradient")) {
+ static const QString rxFloat("\\s*(-?\\s*[0-9]*\\.?[0-9]+)\\s*");
+ static const QRegExp rx(QString("qlineargradient\\s*\\(\\s*x1:%1,\\s*y1:%1,\\s*x2:%1,\\s*y2:%1,(.+)\\)").arg(rxFloat));
+ if (!rx.exactMatch(str)) {
+ qWarning() << Q_FUNC_INFO << tr("Invalid gradient declaration: %1").arg(str);
+ return QBrush();
+ }
+ qreal x1 = rx.cap(1).toDouble();
+ qreal y1 = rx.cap(2).toDouble();
+ qreal x2 = rx.cap(3).toDouble();
+ qreal y2 = rx.cap(4).toDouble();
+ QGradientStops stops = parseGradientStops(rx.cap(5).trimmed());
+ if (!stops.count()) {
+ qWarning() << Q_FUNC_INFO << tr("Invalid gradient stops list: %1").arg(str);
+ return QBrush();
+ }
+ QLinearGradient gradient(x1, y1, x2, y2);
+ gradient.setCoordinateMode(QGradient::ObjectBoundingMode);
+ gradient.setStops(stops);
+ if (ok)
+ *ok = true;
+ return QBrush(gradient);
+ }
+ else if (str.startsWith("qconicalgradient")) {
+ static const QString rxFloat("\\s*(-?\\s*[0-9]*\\.?[0-9]+)\\s*");
+ static const QRegExp rx(QString("qconicalgradient\\s*\\(\\s*cx:%1,\\s*cy:%1,\\s*angle:%1,(.+)\\)").arg(rxFloat));
+ if (!rx.exactMatch(str)) {
+ qWarning() << Q_FUNC_INFO << tr("Invalid gradient declaration: %1").arg(str);
+ return QBrush();
+ }
+ qreal cx = rx.cap(1).toDouble();
+ qreal cy = rx.cap(2).toDouble();
+ qreal angle = rx.cap(3).toDouble();
+ QGradientStops stops = parseGradientStops(rx.cap(4).trimmed());
+ if (!stops.count()) {
+ qWarning() << Q_FUNC_INFO << tr("Invalid gradient stops list: %1").arg(str);
+ return QBrush();
+ }
+ QConicalGradient gradient(cx, cy, angle);
+ gradient.setCoordinateMode(QGradient::ObjectBoundingMode);
+ gradient.setStops(stops);
+ if (ok)
+ *ok = true;
+ return QBrush(gradient);
+ }
+ else if (str.startsWith("qradialgradient")) {
+ static const QString rxFloat("\\s*(-?\\s*[0-9]*\\.?[0-9]+)\\s*");
+ static const QRegExp rx(QString("qradialgradient\\s*\\(\\s*cx:%1,\\s*cy:%1,\\s*radius:%1,\\s*fx:%1,\\s*fy:%1,(.+)\\)").arg(rxFloat));
+ if (!rx.exactMatch(str)) {
+ qWarning() << Q_FUNC_INFO << tr("Invalid gradient declaration: %1").arg(str);
+ return QBrush();
+ }
+ qreal cx = rx.cap(1).toDouble();
+ qreal cy = rx.cap(2).toDouble();
+ qreal radius = rx.cap(3).toDouble();
+ qreal fx = rx.cap(4).toDouble();
+ qreal fy = rx.cap(5).toDouble();
+ QGradientStops stops = parseGradientStops(rx.cap(6).trimmed());
+ if (!stops.count()) {
+ qWarning() << Q_FUNC_INFO << tr("Invalid gradient stops list: %1").arg(str);
+ return QBrush();
+ }
+ QRadialGradient gradient(cx, cy, radius, fx, fy);
+ gradient.setCoordinateMode(QGradient::ObjectBoundingMode);
+ gradient.setStops(stops);
+ if (ok)
+ *ok = true;
+ return QBrush(gradient);
+ }
+
+ return QBrush();
+}
+
+
+QColor QssParser::parseColor(const QString &str)
+{
+ if (str.startsWith("rgba")) {
+ ColorTuple tuple = parseColorTuple(str.mid(4));
+ if (tuple.count() == 4)
+ return QColor(tuple.at(0), tuple.at(1), tuple.at(2), tuple.at(3));
+ }
+ else if (str.startsWith("rgb")) {
+ ColorTuple tuple = parseColorTuple(str.mid(3));
+ if (tuple.count() == 3)
+ return QColor(tuple.at(0), tuple.at(1), tuple.at(2));
+ }
+ else if (str.startsWith("hsva")) {
+ ColorTuple tuple = parseColorTuple(str.mid(4));
+ if (tuple.count() == 4) {
+ QColor c;
+ c.setHsvF(tuple.at(0), tuple.at(1), tuple.at(2), tuple.at(3));
+ return c;
+ }
+ }
+ else if (str.startsWith("hsv")) {
+ ColorTuple tuple = parseColorTuple(str.mid(3));
+ if (tuple.count() == 3) {
+ QColor c;
+ c.setHsvF(tuple.at(0), tuple.at(1), tuple.at(2));
+ return c;
+ }
+ }
+ else {
+ static const QRegExp rx("#?[0-9A-Fa-z]+");
+ if (rx.exactMatch(str))
+ return QColor(str);
+ }
+ return QColor();