1 /***************************************************************************
2 * Copyright (C) 2005-09 by the Quassel Project *
3 * devel@quassel-irc.org *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) version 3. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
21 #include <QApplication>
23 #include "qssparser.h"
25 QssParser::QssParser()
28 _palette = QApplication::palette();
30 // Init palette color roles
31 _paletteColorRoles["alternate-base"] = QPalette::AlternateBase;
32 _paletteColorRoles["background"] = QPalette::Background;
33 _paletteColorRoles["base"] = QPalette::Base;
34 _paletteColorRoles["bright-text"] = QPalette::BrightText;
35 _paletteColorRoles["button"] = QPalette::Button;
36 _paletteColorRoles["button-text"] = QPalette::ButtonText;
37 _paletteColorRoles["dark"] = QPalette::Dark;
38 _paletteColorRoles["foreground"] = QPalette::Foreground;
39 _paletteColorRoles["highlight"] = QPalette::Highlight;
40 _paletteColorRoles["highlighted-text"] = QPalette::HighlightedText;
41 _paletteColorRoles["light"] = QPalette::Light;
42 _paletteColorRoles["link"] = QPalette::Link;
43 _paletteColorRoles["link-visited"] = QPalette::LinkVisited;
44 _paletteColorRoles["mid"] = QPalette::Mid;
45 _paletteColorRoles["midlight"] = QPalette::Midlight;
46 _paletteColorRoles["shadow"] = QPalette::Shadow;
47 _paletteColorRoles["text"] = QPalette::Text;
48 _paletteColorRoles["tooltip-base"] = QPalette::ToolTipBase;
49 _paletteColorRoles["tooltip-text"] = QPalette::ToolTipText;
50 _paletteColorRoles["window"] = QPalette::Window;
51 _paletteColorRoles["window-text"] = QPalette::WindowText;
54 void QssParser::processStyleSheet(QString &ss) {
58 // Remove C-style comments /* */ or //
59 QRegExp commentRx("(//.*(\\n|$)|/\\*.*\\*/)");
60 commentRx.setMinimal(true);
63 // Palette definitions first, so we can apply roles later on
64 QRegExp paletterx("(Palette[^{]*)\\{([^}]+)\\}");
66 while((pos = paletterx.indexIn(ss, pos)) >= 0) {
67 parsePaletteData(paletterx.cap(1).trimmed(), paletterx.cap(2).trimmed());
68 ss.remove(pos, paletterx.matchedLength());
71 // Now we can parse the rest of our custom blocks
72 QRegExp blockrx("((?:ChatLine|BufferList|NickList|TreeView)[^{]*)\\{([^}]+)\\}");
74 while((pos = blockrx.indexIn(ss, pos)) >= 0) {
75 //qDebug() << blockrx.cap(1) << blockrx.cap(2);
77 if(blockrx.cap(1).startsWith("ChatLine"))
78 parseChatLineData(blockrx.cap(1).trimmed(), blockrx.cap(2).trimmed());
80 // TODO: add moar here
82 ss.remove(pos, blockrx.matchedLength());
86 void QssParser::parseChatLineData(const QString &decl, const QString &contents) {
87 quint64 fmtType = parseFormatType(decl);
88 if(fmtType == UiStyle::Invalid)
91 QTextCharFormat format;
93 foreach(QString line, contents.split(';', QString::SkipEmptyParts)) {
94 int idx = line.indexOf(':');
96 qWarning() << Q_FUNC_INFO << tr("Invalid property declaration: %1").arg(line.trimmed());
99 QString property = line.left(idx).trimmed();
100 QString value = line.mid(idx + 1).simplified();
102 if(property == "background" || property == "background-color")
103 format.setBackground(parseBrush(value));
104 else if(property == "foreground" || property == "color")
105 format.setForeground(parseBrush(value));
107 // font-related properties
108 else if(property.startsWith("font")) {
109 if(property == "font")
110 parseFont(value, &format);
111 else if(property == "font-style")
112 parseFontStyle(value, &format);
113 else if(property == "font-weight")
114 parseFontWeight(value, &format);
115 else if(property == "font-size")
116 parseFontSize(value, &format);
117 else if(property == "font-family")
118 parseFontFamily(value, &format);
120 qWarning() << Q_FUNC_INFO << tr("Invalid font property: %1").arg(line);
126 qWarning() << Q_FUNC_INFO << tr("Unknown ChatLine property: %1").arg(property);
130 _formats[fmtType] = format;
133 quint64 QssParser::parseFormatType(const QString &decl) {
134 QRegExp rx("ChatLine(?:::(\\w+))?(?:#(\\w+))?(?:\\[([=-,\\\"\\w\\s]+)\\])?\\s*");
135 // $1: subelement; $2: msgtype; $3: conditionals
136 if(!rx.exactMatch(decl)) {
137 qWarning() << Q_FUNC_INFO << tr("Invalid block declaration: %1").arg(decl);
138 return UiStyle::Invalid;
140 QString subElement = rx.cap(1);
141 QString msgType = rx.cap(2);
142 QString conditions = rx.cap(3);
146 // First determine the subelement
147 if(!subElement.isEmpty()) {
148 if(subElement == "timestamp")
149 fmtType |= UiStyle::Timestamp;
150 else if(subElement == "sender")
151 fmtType |= UiStyle::Sender;
152 else if(subElement == "nick")
153 fmtType |= UiStyle::Nick;
154 else if(subElement == "contents")
155 fmtType |= UiStyle::Contents;
156 else if(subElement == "hostmask")
157 fmtType |= UiStyle::Hostmask;
158 else if(subElement == "modeflags")
159 fmtType |= UiStyle::ModeFlags;
161 qWarning() << Q_FUNC_INFO << tr("Invalid subelement name in %1").arg(decl);
162 return UiStyle::Invalid;
166 // Now, figure out the message type
167 if(!msgType.isEmpty()) {
168 if(msgType == "plain")
169 fmtType |= UiStyle::PlainMsg;
170 else if(msgType == "notice")
171 fmtType |= UiStyle::NoticeMsg;
172 else if(msgType == "action")
173 fmtType |= UiStyle::ActionMsg;
174 else if(msgType == "nick")
175 fmtType |= UiStyle::NickMsg;
176 else if(msgType == "mode")
177 fmtType |= UiStyle::ModeMsg;
178 else if(msgType == "join")
179 fmtType |= UiStyle::JoinMsg;
180 else if(msgType == "part")
181 fmtType |= UiStyle::PartMsg;
182 else if(msgType == "quit")
183 fmtType |= UiStyle::QuitMsg;
184 else if(msgType == "kick")
185 fmtType |= UiStyle::KickMsg;
186 else if(msgType == "kill")
187 fmtType |= UiStyle::KillMsg;
188 else if(msgType == "server")
189 fmtType |= UiStyle::ServerMsg;
190 else if(msgType == "info")
191 fmtType |= UiStyle::InfoMsg;
192 else if(msgType == "error")
193 fmtType |= UiStyle::ErrorMsg;
194 else if(msgType == "daychange")
195 fmtType |= UiStyle::DayChangeMsg;
197 qWarning() << Q_FUNC_INFO << tr("Invalid message type in %1").arg(decl);
201 // Next up: conditional (formats, labels, nickhash)
202 QRegExp condRx("\\s*([\\w\\-]+)\\s*=\\s*\"(\\w+)\"\\s*");
203 if(!conditions.isEmpty()) {
204 foreach(const QString &cond, conditions.split(',', QString::SkipEmptyParts)) {
205 if(!condRx.exactMatch(cond)) {
206 qWarning() << Q_FUNC_INFO << tr("Invalid condition %1").arg(cond);
207 return UiStyle::Invalid;
209 QString condName = condRx.cap(1);
210 QString condValue = condRx.cap(2);
211 if(condName == "label") {
212 quint64 labeltype = 0;
213 if(condValue == "highlight")
214 labeltype = UiStyle::Highlight;
216 qWarning() << Q_FUNC_INFO << tr("Invalid message label: %1").arg(condValue);
217 return UiStyle::Invalid;
219 fmtType |= (labeltype << 32);
220 } else if(condName == "sender") {
221 if(condValue == "self")
222 fmtType |= (quint64)UiStyle::OwnMsg << 32; // sender="self" is actually treated as a label
225 quint64 val = condValue.toUInt(&ok, 16);
227 qWarning() << Q_FUNC_INFO << tr("Invalid senderhash specification: %1").arg(condValue);
228 return UiStyle::Invalid;
231 qWarning() << Q_FUNC_INFO << tr("Senderhash can be at most \"0x0f\"!");
232 return UiStyle::Invalid;
234 fmtType |= val << 48;
236 } else if(condName == "format") {
237 if(condValue == "bold")
238 fmtType |= UiStyle::Bold;
239 else if(condValue == "italic")
240 fmtType |= UiStyle::Italic;
241 else if(condValue == "underline")
242 fmtType |= UiStyle::Underline;
243 else if(condValue == "reverse")
244 fmtType |= UiStyle::Reverse;
246 qWarning() << Q_FUNC_INFO << tr("Invalid format name: %1").arg(condValue);
247 return UiStyle::Invalid;
249 } else if(condName == "fg-color" || condName == "bg-color") {
251 quint8 col = condValue.toUInt(&ok, 16);
252 if(!ok || col > 0x0f) {
253 qWarning() << Q_FUNC_INFO << tr("Illegal IRC color specification (must be between 00 and 0f): %1").arg(condValue);
254 return UiStyle::Invalid;
256 if(condName == "fg-color")
257 fmtType |= 0x00400000 | (col << 24);
259 fmtType |= 0x00800000 | (col << 28);
261 qWarning() << Q_FUNC_INFO << tr("Unhandled condition: %1").arg(condName);
262 return UiStyle::Invalid;
270 // Palette { ... } specifies the application palette
271 // ColorGroups can be specified like pseudo states, chaining is OR (contrary to normal CSS handling):
272 // Palette:inactive:disabled { ... } applies to both the Inactive and the Disabled state
273 void QssParser::parsePaletteData(const QString &decl, const QString &contents) {
274 QList<QPalette::ColorGroup> colorGroups;
276 // Check if we want to apply this palette definition for particular ColorGroups
277 QRegExp rx("Palette((:(normal|active|inactive|disabled))*)");
278 if(!rx.exactMatch(decl)) {
279 qWarning() << Q_FUNC_INFO << tr("Invalid block declaration: %1").arg(decl);
282 if(!rx.cap(1).isEmpty()) {
283 QStringList groups = rx.cap(1).split(':', QString::SkipEmptyParts);
284 foreach(QString g, groups) {
285 if((g == "normal" || g == "active") && !colorGroups.contains(QPalette::Active))
286 colorGroups.append(QPalette::Active);
287 else if(g == "inactive" && !colorGroups.contains(QPalette::Inactive))
288 colorGroups.append(QPalette::Inactive);
289 else if(g == "disabled" && !colorGroups.contains(QPalette::Disabled))
290 colorGroups.append(QPalette::Disabled);
294 // Now let's go through the roles
295 foreach(QString line, contents.split(';', QString::SkipEmptyParts)) {
296 int idx = line.indexOf(':');
298 qWarning() << Q_FUNC_INFO << tr("Invalid palette role assignment: %1").arg(line.trimmed());
301 QString rolestr = line.left(idx).trimmed();
302 QString brushstr = line.mid(idx + 1).trimmed();
303 if(!_paletteColorRoles.contains(rolestr)) {
304 qWarning() << Q_FUNC_INFO << tr("Unknown palette role name: %1").arg(rolestr);
307 QBrush brush = parseBrush(brushstr);
308 if(colorGroups.count()) {
309 foreach(QPalette::ColorGroup group, colorGroups)
310 _palette.setBrush(group, _paletteColorRoles.value(rolestr), brush);
312 _palette.setBrush(_paletteColorRoles.value(rolestr), brush);
316 QBrush QssParser::parseBrush(const QString &str, bool *ok) {
319 QColor c = parseColor(str);
326 if(str.startsWith("palette")) { // Palette color role
327 QRegExp rx("palette\\s*\\(\\s*([a-z-]+)\\s*\\)");
328 if(!rx.exactMatch(str)) {
329 qWarning() << Q_FUNC_INFO << tr("Invalid palette color role specification: %1").arg(str);
332 if(!_paletteColorRoles.contains(rx.cap(1))) {
333 qWarning() << Q_FUNC_INFO << tr("Unknown palette color role: %1").arg(rx.cap(1));
336 return QBrush(_palette.brush(_paletteColorRoles.value(rx.cap(1))));
338 } else if(str.startsWith("qlineargradient")) {
339 static QString rxFloat("\\s*(-?\\s*[0-9]*\\.?[0-9]+)\\s*");
340 QRegExp rx(QString("qlineargradient\\s*\\(\\s*x1:%1,\\s*y1:%1,\\s*x2:%1,\\s*y2:%1,(.+)\\)").arg(rxFloat));
341 if(!rx.exactMatch(str)) {
342 qWarning() << Q_FUNC_INFO << tr("Invalid gradient declaration: %1").arg(str);
345 qreal x1 = rx.cap(1).toDouble();
346 qreal y1 = rx.cap(2).toDouble();
347 qreal x2 = rx.cap(3).toDouble();
348 qreal y2 = rx.cap(4).toDouble();
349 QGradientStops stops = parseGradientStops(rx.cap(5).trimmed());
351 qWarning() << Q_FUNC_INFO << tr("Invalid gradient stops list: %1").arg(str);
354 QLinearGradient gradient(x1, y1, x2, y2);
355 gradient.setStops(stops);
358 return QBrush(gradient);
360 } else if(str.startsWith("qconicalgradient")) {
361 static QString rxFloat("\\s*(-?\\s*[0-9]*\\.?[0-9]+)\\s*");
362 QRegExp rx(QString("qconicalgradient\\s*\\(\\s*cx:%1,\\s*cy:%1,\\s*angle:%1,(.+)\\)").arg(rxFloat));
363 if(!rx.exactMatch(str)) {
364 qWarning() << Q_FUNC_INFO << tr("Invalid gradient declaration: %1").arg(str);
367 qreal cx = rx.cap(1).toDouble();
368 qreal cy = rx.cap(2).toDouble();
369 qreal angle = rx.cap(3).toDouble();
370 QGradientStops stops = parseGradientStops(rx.cap(4).trimmed());
372 qWarning() << Q_FUNC_INFO << tr("Invalid gradient stops list: %1").arg(str);
375 QConicalGradient gradient(cx, cy, angle);
376 gradient.setStops(stops);
379 return QBrush(gradient);
381 } else if(str.startsWith("qradialgradient")) {
382 static QString rxFloat("\\s*(-?\\s*[0-9]*\\.?[0-9]+)\\s*");
383 QRegExp rx(QString("qradialgradient\\s*\\(\\s*cx:%1,\\s*cy:%1,\\s*radius:%1,\\s*fx:%1,\\s*fy:%1,(.+)\\)").arg(rxFloat));
384 if(!rx.exactMatch(str)) {
385 qWarning() << Q_FUNC_INFO << tr("Invalid gradient declaration: %1").arg(str);
388 qreal cx = rx.cap(1).toDouble();
389 qreal cy = rx.cap(2).toDouble();
390 qreal radius = rx.cap(3).toDouble();
391 qreal fx = rx.cap(4).toDouble();
392 qreal fy = rx.cap(5).toDouble();
393 QGradientStops stops = parseGradientStops(rx.cap(6).trimmed());
395 qWarning() << Q_FUNC_INFO << tr("Invalid gradient stops list: %1").arg(str);
398 QRadialGradient gradient(cx, cy, radius, fx, fy);
399 gradient.setStops(stops);
402 return QBrush(gradient);
408 QColor QssParser::parseColor(const QString &str) {
409 if(str.startsWith("rgba")) {
410 ColorTuple tuple = parseColorTuple(str.mid(4));
411 if(tuple.count() == 4)
412 return QColor(tuple.at(0), tuple.at(1), tuple.at(2), tuple.at(3));
413 } else if(str.startsWith("rgb")) {
414 ColorTuple tuple = parseColorTuple(str.mid(3));
415 if(tuple.count() == 3)
416 return QColor(tuple.at(0), tuple.at(1), tuple.at(2));
417 } else if(str.startsWith("hsva")) {
418 ColorTuple tuple = parseColorTuple(str.mid(4));
419 if(tuple.count() == 4) {
421 c.setHsvF(tuple.at(0), tuple.at(1), tuple.at(2), tuple.at(3));
424 } else if(str.startsWith("hsv")) {
425 ColorTuple tuple = parseColorTuple(str.mid(3));
426 if(tuple.count() == 3) {
428 c.setHsvF(tuple.at(0), tuple.at(1), tuple.at(2));
432 QRegExp rx("#?[0-9A-Fa-z]+");
433 if(rx.exactMatch(str))
439 // get a list of comma-separated int values or percentages (rel to 0-255)
440 QssParser::ColorTuple QssParser::parseColorTuple(const QString &str) {
442 QRegExp rx("\\(((\\s*[0-9]{1,3}%?\\s*)(,\\s*[0-9]{1,3}%?\\s*)*)\\)");
443 if(!rx.exactMatch(str.trimmed())) {
446 QStringList values = rx.cap(1).split(',');
447 foreach(QString v, values) {
452 if(v.endsWith('%')) {
456 val = (qreal)v.toUInt(&ok);
466 QGradientStops QssParser::parseGradientStops(const QString &str_) {
468 QGradientStops result;
469 static QString rxFloat("(0?\\.[0-9]+|[01])"); // values between 0 and 1
470 QRegExp rx(QString("\\s*,?\\s*stop:\\s*(%1)\\s+([^:]+)(,\\s*stop:|$)").arg(rxFloat));
472 while((idx = rx.indexIn(str)) == 0) {
473 qreal x = rx.cap(1).toDouble();
474 QColor c = parseColor(rx.cap(3));
476 return QGradientStops();
477 result << QGradientStop(x, c);
478 str.remove(0, rx.matchedLength() - rx.cap(4).length());
480 if(!str.trimmed().isEmpty())
481 return QGradientStops();
486 /******** Font Properties ********/
488 void QssParser::parseFont(const QString& value, QTextCharFormat* format) {
489 QRegExp rx("((?:(?:normal|italic|oblique|bold|100|200|300|400|500|600|700|800|900) ){0,2}) ?(\\d+)(pt|px)? \"(.*)\"");
490 if(!rx.exactMatch(value)) {
491 qWarning() << Q_FUNC_INFO << tr("Invalid font specification: %1").arg(value);
494 format->setFontItalic(false);
495 format->setFontWeight(QFont::Normal);
496 QStringList proplist = rx.cap(1).split(' ', QString::SkipEmptyParts);
497 foreach(QString prop, proplist) {
499 format->setFontItalic(true);
500 //else if(prop == "oblique")
501 // format->setStyle(QFont::StyleOblique);
502 else if(prop == "bold")
503 format->setFontWeight(QFont::Bold);
505 int w = prop.toInt();
506 format->setFontWeight(qMin(w / 8, 99)); // taken from Qt's qss parser
510 if(rx.cap(3) == "px")
511 format->setProperty(QTextFormat::FontPixelSize, rx.cap(2).toInt());
513 format->setFontPointSize(rx.cap(2).toInt());
515 format->setFontFamily(rx.cap(4));
518 void QssParser::parseFontStyle(const QString& value, QTextCharFormat* format) {
519 if(value == "normal")
520 format->setFontItalic(false);
521 else if(value == "italic")
522 format->setFontItalic(true);
523 //else if(value == "oblique")
524 // format->setStyle(QFont::StyleOblique);
526 qWarning() << Q_FUNC_INFO << tr("Invalid font style specification: %1").arg(value);
530 void QssParser::parseFontWeight(const QString& value, QTextCharFormat* format) {
531 if(value == "normal")
532 format->setFontWeight(QFont::Normal);
533 else if(value == "bold")
534 format->setFontWeight(QFont::Bold);
537 int w = value.toInt(&ok);
539 qWarning() << Q_FUNC_INFO << tr("Invalid font weight specification: %1").arg(value);
542 format->setFontWeight(qMin(w / 8, 99)); // taken from Qt's qss parser
546 void QssParser::parseFontSize(const QString& value, QTextCharFormat* format) {
547 QRegExp rx("\\(d+)(pt|px)");
548 if(!rx.exactMatch(value)) {
549 qWarning() << Q_FUNC_INFO << tr("Invalid font size specification: %1").arg(value);
552 if(rx.cap(2) == "px")
553 format->setProperty(QTextFormat::FontPixelSize, rx.cap(1).toInt());
555 format->setFontPointSize(rx.cap(1).toInt());
558 void QssParser::parseFontFamily(const QString& value, QTextCharFormat* format) {
559 QString family = value;
560 if(family.startsWith('"') && family.endsWith('"')) {
561 family = family.mid(1, family.length() - 2);
563 format->setFontFamily(family);