+/***************************************************************************
+* Copyright (C) 2005-09 by the Quassel Project *
+* devel@quassel-irc.org *
+* *
+* This program is free software; you can redistribute it and/or modify *
+* it under the terms of the GNU General Public License as published by *
+* the Free Software Foundation; either version 2 of the License, or *
+* (at your option) version 3. *
+* *
+* This program is distributed in the hope that it will be useful, *
+* but WITHOUT ANY WARRANTY; without even the implied warranty of *
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+* GNU General Public License for more details. *
+* *
+* You should have received a copy of the GNU General Public License *
+* along with this program; if not, write to the *
+* Free Software Foundation, Inc., *
+* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+***************************************************************************/
+
+#include <QApplication>
+
+#include "qssparser.h"
+
+QssParser::QssParser()
+: _maxSenderHash(0)
+{
+ _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 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
+ // Palette definitions first, so we can apply roles later on
+ QRegExp paletterx("(Palette[^{]*)\\{([^}]+)\\}");
+ int pos = 0;
+ while((pos = paletterx.indexIn(ss, pos)) >= 0) {
+ parsePaletteData(paletterx.cap(1).trimmed(), paletterx.cap(2).trimmed());
+ pos += paletterx.matchedLength();
+ }
+
+ // Now we can parse the rest of our custom blocks
+ QRegExp blockrx("((?:ChatLine|BufferList|NickList|TreeView)[^{]*)\\{([^}]+)\\}");
+ pos = 0;
+ while((pos = blockrx.indexIn(ss, pos)) >= 0) {
+ //qDebug() << blockrx.cap(1) << blockrx.cap(2);
+
+ if(blockrx.cap(2) == "ChatLine")
+ parseChatLineData(blockrx.cap(1).trimmed(), blockrx.cap(2).trimmed());
+ //else
+ // TODO: add moar here
+
+ pos += blockrx.matchedLength();
+ }
+
+}
+
+void QssParser::parseChatLineData(const QString &decl, const QString &contents) {
+ quint64 fmtType = parseFormatType(decl);
+ if(fmtType == UiStyle::Invalid)
+ return;
+
+
+
+}
+
+quint64 QssParser::parseFormatType(const QString &decl) {
+ QRegExp rx("ChatLine(?:::(\\w+))?(?:#(\\w+))?(?:\\[([=-,\\\"\\w\\s]+)\\])?\\s*");
+ // $1: subelement; $2: msgtype; $3: conditionals
+ if(!rx.exactMatch(decl)) {
+ qWarning() << Q_FUNC_INFO << tr("Invalid block declaration: %1").arg(decl);
+ return UiStyle::Invalid;
+ }
+ QString subElement = rx.cap(1);
+ QString msgType = rx.cap(2);
+ QString conditions = rx.cap(3);
+
+ quint64 fmtType = 0;
+
+ // First determine the subelement
+ if(!subElement.isEmpty()) {
+ if(subElement == "Timestamp")
+ fmtType |= UiStyle::Timestamp;
+ else if(subElement == "Sender")
+ fmtType |= UiStyle::Sender;
+ else if(subElement == "Nick")
+ fmtType |= UiStyle::Nick;
+ else if(subElement == "Hostmask")
+ fmtType |= UiStyle::Hostmask;
+ else if(subElement == "ModeFlags")
+ fmtType |= UiStyle::ModeFlags;
+ else {
+ qWarning() << Q_FUNC_INFO << tr("Invalid subelement name in %1").arg(decl);
+ return UiStyle::Invalid;
+ }
+ }
+
+ // Now, figure out the message type
+ if(!msgType.isEmpty()) {
+ if(msgType == "Plain")
+ fmtType |= UiStyle::PlainMsg;
+ else if(msgType == "Notice")
+ fmtType |= UiStyle::NoticeMsg;
+ else if(msgType == "Server")
+ fmtType |= UiStyle::ServerMsg;
+ else if(msgType == "Error")
+ fmtType |= UiStyle::ErrorMsg;
+ else if(msgType == "Join")
+ fmtType |= UiStyle::JoinMsg;
+ else if(msgType == "Part")
+ fmtType |= UiStyle::PartMsg;
+ else if(msgType == "Quit")
+ fmtType |= UiStyle::QuitMsg;
+ else if(msgType == "Kick")
+ fmtType |= UiStyle::KickMsg;
+ else if(msgType == "Rename")
+ fmtType |= UiStyle::RenameMsg;
+ else if(msgType == "Mode")
+ fmtType |= UiStyle::ModeMsg;
+ else if(msgType == "Action")
+ fmtType |= UiStyle::ActionMsg;
+ else {
+ qWarning() << Q_FUNC_INFO << tr("Invalid message type in %1").arg(decl);
+ }
+ }
+
+ // Next up: conditional (formats, labels, nickhash)
+ QRegExp condRx("\\s*(\\w+)\\s*=\\s*\"(\\w+)\"\\s*");
+ if(!conditions.isEmpty()) {
+ foreach(const QString &cond, conditions.split(',', QString::SkipEmptyParts)) {
+ if(!condRx.exactMatch(cond)) {
+ qWarning() << Q_FUNC_INFO << tr("Invalid condition %1").arg(cond);
+ return UiStyle::Invalid;
+ }
+ QString condName = condRx.cap(1);
+ QString condValue = condRx.cap(2);
+ if(condName == "label") {
+ quint64 labeltype = 0;
+ if(condValue == "highlight")
+ labeltype = UiStyle::Highlight;
+ else {
+ qWarning() << Q_FUNC_INFO << tr("Invalid message label: %1").arg(condValue);
+ return UiStyle::Invalid;
+ }
+ fmtType |= (labeltype << 32);
+ } else if(condName == "sender") {
+ if(condValue == "self")
+ fmtType |= (quint64)UiStyle::OwnMsg << 32; // sender="self" is actually treated as a label
+ else {
+ bool ok = true;
+ quint64 val = condValue.toUInt(&ok, 16);
+ if(!ok) {
+ qWarning() << Q_FUNC_INFO << tr("Invalid senderhash specification: %1").arg(condValue);
+ return UiStyle::Invalid;
+ }
+ if(val >= 255) {
+ qWarning() << Q_FUNC_INFO << tr("Senderhash can be at most \"fe\"!");
+ return UiStyle::Invalid;
+ }
+ fmtType |= val << 48;
+ }
+ }
+ // TODO: colors
+ }
+ }
+
+ return fmtType;
+}
+
+// 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 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() << Q_FUNC_INFO << 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() << Q_FUNC_INFO << 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() << Q_FUNC_INFO << 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 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() << Q_FUNC_INFO << tr("Invalid palette color role specification: %1").arg(str);
+ return QBrush();
+ }
+ if(!_paletteColorRoles.contains(rx.cap(1))) {
+ qWarning() << Q_FUNC_INFO << 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() << 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.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() << 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.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() << 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.setStops(stops);
+ return QBrush(gradient);
+ }
+
+ return QBrush();
+}
+
+QColor 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)
+QssParser::ColorTuple 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 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;
+}
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