X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fuisupport%2Fuistyle.cpp;h=1fc19dbdf5b959af3f310f04c41cd5ef4bfc0a0d;hp=84da306259771b906dbec992b8bd1d76f35dd2e1;hb=90eb5244fb07eb2371279c12266fca06d0fed23c;hpb=62b20e0c6c13ea7bfb713da68c85a5e94c951d1b

diff --git a/src/uisupport/uistyle.cpp b/src/uisupport/uistyle.cpp
index 84da3062..1fc19dbd 100644
--- a/src/uisupport/uistyle.cpp
+++ b/src/uisupport/uistyle.cpp
@@ -105,6 +105,7 @@ UiStyle::UiStyle(const QString &settingsKey) : _settingsKey(settingsKey) {
   QTextCharFormat underline; underline.setFontUnderline(true);
   setFormat(Underline, underline, Settings::Default);
 
+  loadStyleSheet();
   // All other formats should be defined in derived classes.
 }
 
@@ -531,3 +532,285 @@ QDataStream &operator>>(QDataStream &in, UiStyle::FormatList &formatList) {
   }
   return in;
 }
+
+/***********************************************************************************/
+// Stylesheet handling
+/***********************************************************************************/
+
+void UiStyle::loadStyleSheet() {
+  QssParser parser;
+  parser.loadStyleSheet(qApp->styleSheet());
+
+  // TODO handle results
+  QApplication::setPalette(parser.palette());
+}
+
+UiStyle::QssParser::QssParser() {
+  _palette = QApplication::palette();
+
+  // Init palette color roles
+  _paletteColorRoles["alternate-base"] = QPalette::AlternateBase;
+  _paletteColorRoles["background"] = QPalette::Background;
+  _paletteColorRoles["base"] = QPalette::Base;
+  _paletteColorRoles["bright-text"] = QPalette::BrightText;
+  _paletteColorRoles["button"] = QPalette::Button;
+  _paletteColorRoles["button-text"] = QPalette::ButtonText;
+  _paletteColorRoles["dark"] = QPalette::Dark;
+  _paletteColorRoles["foreground"] = QPalette::Foreground;
+  _paletteColorRoles["highlight"] = QPalette::Highlight;
+  _paletteColorRoles["highlighted-text"] = QPalette::HighlightedText;
+  _paletteColorRoles["light"] = QPalette::Light;
+  _paletteColorRoles["link"] = QPalette::Link;
+  _paletteColorRoles["link-visited"] = QPalette::LinkVisited;
+  _paletteColorRoles["mid"] = QPalette::Mid;
+  _paletteColorRoles["midlight"] = QPalette::Midlight;
+  _paletteColorRoles["shadow"] = QPalette::Shadow;
+  _paletteColorRoles["text"] = QPalette::Text;
+  _paletteColorRoles["tooltip-base"] = QPalette::ToolTipBase;
+  _paletteColorRoles["tooltip-text"] = QPalette::ToolTipText;
+  _paletteColorRoles["window"] = QPalette::Window;
+  _paletteColorRoles["window-text"] = QPalette::WindowText;
+}
+
+void UiStyle::QssParser::loadStyleSheet(const QString &styleSheet) {
+  QString ss = styleSheet;
+  ss = "file:////home/sputnick/devel/quassel/test.qss"; // FIXME
+  if(ss.startsWith("file:///")) {
+    ss.remove(0, 8);
+    QFile file(ss);
+    if(file.open(QFile::ReadOnly)) {
+      QTextStream stream(&file);
+      ss = stream.readAll();
+    } else {
+      qWarning() << tr("Could not read stylesheet \"%1\"!").arg(file.fileName());
+      return;
+    }
+  }
+  if(ss.isEmpty())
+    return;
+
+  // Now we have the stylesheet itself in ss, start parsing
+  QRegExp blockrx("((ChatLine|Palette)[^{]*)\\{([^}]+)\\}");
+  int pos = 0;
+  while((pos = blockrx.indexIn(ss, pos)) >= 0) {
+    //qDebug() << blockrx.cap(1) << blockrx.cap(3);
+
+    if(blockrx.cap(2) == "ChatLine")
+      parseChatLineData(blockrx.cap(1).trimmed(), blockrx.cap(3).trimmed());
+    else
+      parsePaletteData(blockrx.cap(1).trimmed(), blockrx.cap(3).trimmed());
+
+    pos += blockrx.matchedLength();
+  }
+
+}
+
+void UiStyle::QssParser::parseChatLineData(const QString &decl, const QString &contents) {
+
+
+}
+
+// Palette { ... } specifies the application palette
+// ColorGroups can be specified like pseudo states, chaining is OR (contrary to normal CSS handling):
+//   Palette:inactive:disabled { ... } applies to both the Inactive and the Disabled state
+void UiStyle::QssParser::parsePaletteData(const QString &decl, const QString &contents) {
+  QList<QPalette::ColorGroup> colorGroups;
+
+  // Check if we want to apply this palette definition for particular ColorGroups
+  QRegExp rx("Palette((:(normal|active|inactive|disabled))*)");
+  if(!rx.exactMatch(decl)) {
+    qWarning() << tr("Invalid block declaration: %1").arg(decl);
+    return;
+  }
+  if(!rx.cap(1).isEmpty()) {
+    QStringList groups = rx.cap(1).split(':', QString::SkipEmptyParts);
+    foreach(QString g, groups) {
+      if((g == "normal" || g == "active") && !colorGroups.contains(QPalette::Active))
+        colorGroups.append(QPalette::Active);
+      else if(g == "inactive" && !colorGroups.contains(QPalette::Inactive))
+        colorGroups.append(QPalette::Inactive);
+      else if(g == "disabled" && !colorGroups.contains(QPalette::Disabled))
+        colorGroups.append(QPalette::Disabled);
+    }
+  }
+
+  // Now let's go through the roles
+  foreach(QString line, contents.split(';', QString::SkipEmptyParts)) {
+    int idx = line.indexOf(':');
+    if(idx <= 0) {
+      qWarning() << tr("Invalid palette role assignment: %1").arg(line.trimmed());
+      continue;
+    }
+    QString rolestr = line.left(idx).trimmed();
+    QString brushstr = line.mid(idx + 1).trimmed();
+    if(!_paletteColorRoles.contains(rolestr)) {
+      qWarning() << tr("Unknown palette role name: %1").arg(rolestr);
+      continue;
+    }
+    QBrush brush = parseBrushValue(brushstr);
+    if(colorGroups.count()) {
+      foreach(QPalette::ColorGroup group, colorGroups)
+        _palette.setBrush(group, _paletteColorRoles.value(rolestr), brush);
+    } else
+      _palette.setBrush(_paletteColorRoles.value(rolestr), brush);
+  }
+}
+
+QBrush UiStyle::QssParser::parseBrushValue(const QString &str) {
+  QColor c = parseColorValue(str);
+  if(c.isValid())
+    return QBrush(c);
+
+  if(str.startsWith("palette")) { // Palette color role
+    QRegExp rx("palette\\s*\\(\\s*([a-z-]+)\\s*\\)");
+    if(!rx.exactMatch(str)) {
+      qWarning() << tr("Invalid palette color role specification: %1").arg(str);
+      return QBrush();
+    }
+    if(!_paletteColorRoles.contains(rx.cap(1))) {
+      qWarning() << tr("Unknown palette color role: %1").arg(rx.cap(1));
+      return QBrush();
+    }
+    return QBrush(_palette.brush(_paletteColorRoles.value(rx.cap(1))));
+
+  } else if(str.startsWith("qlineargradient")) {
+    static QString rxFloat("\\s*(-?\\s*[0-9]*\\.?[0-9]+)\\s*");
+    QRegExp rx(QString("qlineargradient\\s*\\(\\s*x1:%1,\\s*y1:%1,\\s*x2:%1,\\s*y2:%1,(.+)\\)").arg(rxFloat));
+    if(!rx.exactMatch(str)) {
+      qWarning() << 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() << tr("Invalid gradient stops list: %1").arg(str);
+      return QBrush();
+    }
+    QLinearGradient gradient(x1, y1, x2, y2);
+    gradient.setStops(stops);
+    return QBrush(gradient);
+
+  } else if(str.startsWith("qconicalgradient")) {
+    static QString rxFloat("\\s*(-?\\s*[0-9]*\\.?[0-9]+)\\s*");
+    QRegExp rx(QString("qconicalgradient\\s*\\(\\s*cx:%1,\\s*cy:%1,\\s*angle:%1,(.+)\\)").arg(rxFloat));
+    if(!rx.exactMatch(str)) {
+      qWarning() << 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() << tr("Invalid gradient stops list: %1").arg(str);
+      return QBrush();
+    }
+    QConicalGradient gradient(cx, cy, angle);
+    gradient.setStops(stops);
+    return QBrush(gradient);
+
+  } else if(str.startsWith("qradialgradient")) {
+    static QString rxFloat("\\s*(-?\\s*[0-9]*\\.?[0-9]+)\\s*");
+    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() << 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() << tr("Invalid gradient stops list: %1").arg(str);
+      return QBrush();
+    }
+    QRadialGradient gradient(cx, cy, radius, fx, fy);
+    gradient.setStops(stops);
+    return QBrush(gradient);
+  }
+
+  return QBrush();
+}
+
+QColor UiStyle::QssParser::parseColorValue(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();
+}
+
+// get a list of comma-separated int values or percentages (rel to 0-255)
+UiStyle::QssParser::ColorTuple UiStyle::QssParser::parseColorTuple(const QString &str) {
+  ColorTuple result;
+  QRegExp rx("\\(((\\s*[0-9]{1,3}%?\\s*)(,\\s*[0-9]{1,3}%?\\s*)*)\\)");
+  if(!rx.exactMatch(str.trimmed())) {
+    return ColorTuple();
+  }
+  QStringList values = rx.cap(1).split(',');
+  foreach(QString v, values) {
+    qreal val;
+    bool perc = false;
+    bool ok;
+    v = v.trimmed();
+    if(v.endsWith('%')) {
+      perc = true;
+      v.chop(1);
+    }
+    val = (qreal)v.toUInt(&ok);
+    if(!ok)
+      return ColorTuple();
+    if(perc)
+      val = 255 * val/100;
+    result.append(val);
+  }
+  return result;
+}
+
+QGradientStops UiStyle::QssParser::parseGradientStops(const QString &str_) {
+  QString str = str_;
+  QGradientStops result;
+  static QString rxFloat("(0?\\.[0-9]+|[01])"); // values between 0 and 1
+  QRegExp rx(QString("\\s*,?\\s*stop:\\s*(%1)\\s+([^:]+)(,\\s*stop:|$)").arg(rxFloat));
+  int idx;
+  while((idx = rx.indexIn(str)) == 0) {
+    qreal x = rx.cap(1).toDouble();
+    QColor c = parseColorValue(rx.cap(3));
+    if(!c.isValid())
+      return QGradientStops();
+    result << QGradientStop(x, c);
+    str.remove(0, rx.matchedLength() - rx.cap(4).length());
+  }
+  if(!str.trimmed().isEmpty())
+    return QGradientStops();
+
+  return result;
+}