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::loadStyleSheet(const QString &styleSheet) {
55 QString ss = styleSheet;
56 ss = "file:////home/sputnick/devel/quassel/test.qss"; // FIXME
57 if(ss.startsWith("file:///")) {
60 if(file.open(QFile::ReadOnly)) {
61 QTextStream stream(&file);
62 ss = stream.readAll();
64 qWarning() << tr("Could not read stylesheet \"%1\"!").arg(file.fileName());
71 // Now we have the stylesheet itself in ss, start parsing
72 // Palette definitions first, so we can apply roles later on
73 QRegExp paletterx("(Palette[^{]*)\\{([^}]+)\\}");
75 while((pos = paletterx.indexIn(ss, pos)) >= 0) {
76 parsePaletteData(paletterx.cap(1).trimmed(), paletterx.cap(2).trimmed());
77 pos += paletterx.matchedLength();
80 // Now we can parse the rest of our custom blocks
81 QRegExp blockrx("((?:ChatLine|BufferList|NickList|TreeView)[^{]*)\\{([^}]+)\\}");
83 while((pos = blockrx.indexIn(ss, pos)) >= 0) {
84 //qDebug() << blockrx.cap(1) << blockrx.cap(2);
86 if(blockrx.cap(1).startsWith("ChatLine"))
87 parseChatLineData(blockrx.cap(1).trimmed(), blockrx.cap(2).trimmed());
89 // TODO: add moar here
91 pos += blockrx.matchedLength();
96 void QssParser::parseChatLineData(const QString &decl, const QString &contents) {
97 quint64 fmtType = parseFormatType(decl);
98 if(fmtType == UiStyle::Invalid)
101 QTextCharFormat format;
103 foreach(QString line, contents.split(';', QString::SkipEmptyParts)) {
104 int idx = line.indexOf(':');
106 qWarning() << Q_FUNC_INFO << tr("Invalid property declaration: %1").arg(line.trimmed());
109 QString property = line.left(idx).trimmed();
110 QString value = line.mid(idx + 1).simplified();
112 if(property == "background" || property == "background-color")
113 format.setBackground(parseBrush(value));
114 else if(property == "foreground" || property == "color")
115 format.setForeground(parseBrush(value));
117 // font-related properties
118 else if(property.startsWith("font")) {
119 if(property == "font")
120 parseFont(value, &format);
121 else if(property == "font-style")
122 parseFontStyle(value, &format);
123 else if(property == "font-weight")
124 parseFontWeight(value, &format);
125 else if(property == "font-size")
126 parseFontSize(value, &format);
127 else if(property == "font-family")
128 parseFontFamily(value, &format);
130 qWarning() << Q_FUNC_INFO << tr("Invalid font property: %1").arg(line);
136 qWarning() << Q_FUNC_INFO << tr("Unknown ChatLine property: %1").arg(property);
140 _formats[fmtType] = format;
143 quint64 QssParser::parseFormatType(const QString &decl) {
144 QRegExp rx("ChatLine(?:::(\\w+))?(?:#(\\w+))?(?:\\[([=-,\\\"\\w\\s]+)\\])?\\s*");
145 // $1: subelement; $2: msgtype; $3: conditionals
146 if(!rx.exactMatch(decl)) {
147 qWarning() << Q_FUNC_INFO << tr("Invalid block declaration: %1").arg(decl);
148 return UiStyle::Invalid;
150 QString subElement = rx.cap(1);
151 QString msgType = rx.cap(2);
152 QString conditions = rx.cap(3);
156 // First determine the subelement
157 if(!subElement.isEmpty()) {
158 if(subElement == "timestamp")
159 fmtType |= UiStyle::Timestamp;
160 else if(subElement == "sender")
161 fmtType |= UiStyle::Sender;
162 else if(subElement == "nick")
163 fmtType |= UiStyle::Nick;
164 else if(subElement == "contents")
165 fmtType |= UiStyle::Contents;
166 else if(subElement == "hostmask")
167 fmtType |= UiStyle::Hostmask;
168 else if(subElement == "modeflags")
169 fmtType |= UiStyle::ModeFlags;
171 qWarning() << Q_FUNC_INFO << tr("Invalid subelement name in %1").arg(decl);
172 return UiStyle::Invalid;
176 // Now, figure out the message type
177 if(!msgType.isEmpty()) {
178 if(msgType == "plain")
179 fmtType |= UiStyle::PlainMsg;
180 else if(msgType == "notice")
181 fmtType |= UiStyle::NoticeMsg;
182 else if(msgType == "action")
183 fmtType |= UiStyle::ActionMsg;
184 else if(msgType == "nick")
185 fmtType |= UiStyle::NickMsg;
186 else if(msgType == "mode")
187 fmtType |= UiStyle::ModeMsg;
188 else if(msgType == "join")
189 fmtType |= UiStyle::JoinMsg;
190 else if(msgType == "part")
191 fmtType |= UiStyle::PartMsg;
192 else if(msgType == "quit")
193 fmtType |= UiStyle::QuitMsg;
194 else if(msgType == "kick")
195 fmtType |= UiStyle::KickMsg;
196 else if(msgType == "kill")
197 fmtType |= UiStyle::KillMsg;
198 else if(msgType == "server")
199 fmtType |= UiStyle::ServerMsg;
200 else if(msgType == "info")
201 fmtType |= UiStyle::InfoMsg;
202 else if(msgType == "error")
203 fmtType |= UiStyle::ErrorMsg;
204 else if(msgType == "daychange")
205 fmtType |= UiStyle::DayChangeMsg;
207 qWarning() << Q_FUNC_INFO << tr("Invalid message type in %1").arg(decl);
211 // Next up: conditional (formats, labels, nickhash)
212 QRegExp condRx("\\s*(\\w+)\\s*=\\s*\"(\\w+)\"\\s*");
213 if(!conditions.isEmpty()) {
214 foreach(const QString &cond, conditions.split(',', QString::SkipEmptyParts)) {
215 if(!condRx.exactMatch(cond)) {
216 qWarning() << Q_FUNC_INFO << tr("Invalid condition %1").arg(cond);
217 return UiStyle::Invalid;
219 QString condName = condRx.cap(1);
220 QString condValue = condRx.cap(2);
221 if(condName == "label") {
222 quint64 labeltype = 0;
223 if(condValue == "highlight")
224 labeltype = UiStyle::Highlight;
226 qWarning() << Q_FUNC_INFO << tr("Invalid message label: %1").arg(condValue);
227 return UiStyle::Invalid;
229 fmtType |= (labeltype << 32);
230 } else if(condName == "sender") {
231 if(condValue == "self")
232 fmtType |= (quint64)UiStyle::OwnMsg << 32; // sender="self" is actually treated as a label
235 quint64 val = condValue.toUInt(&ok, 16);
237 qWarning() << Q_FUNC_INFO << tr("Invalid senderhash specification: %1").arg(condValue);
238 return UiStyle::Invalid;
241 qWarning() << Q_FUNC_INFO << tr("Senderhash can be at most \"fe\"!");
242 return UiStyle::Invalid;
244 fmtType |= val << 48;
254 // Palette { ... } specifies the application palette
255 // ColorGroups can be specified like pseudo states, chaining is OR (contrary to normal CSS handling):
256 // Palette:inactive:disabled { ... } applies to both the Inactive and the Disabled state
257 void QssParser::parsePaletteData(const QString &decl, const QString &contents) {
258 QList<QPalette::ColorGroup> colorGroups;
260 // Check if we want to apply this palette definition for particular ColorGroups
261 QRegExp rx("Palette((:(normal|active|inactive|disabled))*)");
262 if(!rx.exactMatch(decl)) {
263 qWarning() << Q_FUNC_INFO << tr("Invalid block declaration: %1").arg(decl);
266 if(!rx.cap(1).isEmpty()) {
267 QStringList groups = rx.cap(1).split(':', QString::SkipEmptyParts);
268 foreach(QString g, groups) {
269 if((g == "normal" || g == "active") && !colorGroups.contains(QPalette::Active))
270 colorGroups.append(QPalette::Active);
271 else if(g == "inactive" && !colorGroups.contains(QPalette::Inactive))
272 colorGroups.append(QPalette::Inactive);
273 else if(g == "disabled" && !colorGroups.contains(QPalette::Disabled))
274 colorGroups.append(QPalette::Disabled);
278 // Now let's go through the roles
279 foreach(QString line, contents.split(';', QString::SkipEmptyParts)) {
280 int idx = line.indexOf(':');
282 qWarning() << Q_FUNC_INFO << tr("Invalid palette role assignment: %1").arg(line.trimmed());
285 QString rolestr = line.left(idx).trimmed();
286 QString brushstr = line.mid(idx + 1).trimmed();
287 if(!_paletteColorRoles.contains(rolestr)) {
288 qWarning() << Q_FUNC_INFO << tr("Unknown palette role name: %1").arg(rolestr);
291 QBrush brush = parseBrush(brushstr);
292 if(colorGroups.count()) {
293 foreach(QPalette::ColorGroup group, colorGroups)
294 _palette.setBrush(group, _paletteColorRoles.value(rolestr), brush);
296 _palette.setBrush(_paletteColorRoles.value(rolestr), brush);
300 QBrush QssParser::parseBrush(const QString &str, bool *ok) {
303 QColor c = parseColor(str);
310 if(str.startsWith("palette")) { // Palette color role
311 QRegExp rx("palette\\s*\\(\\s*([a-z-]+)\\s*\\)");
312 if(!rx.exactMatch(str)) {
313 qWarning() << Q_FUNC_INFO << tr("Invalid palette color role specification: %1").arg(str);
316 if(!_paletteColorRoles.contains(rx.cap(1))) {
317 qWarning() << Q_FUNC_INFO << tr("Unknown palette color role: %1").arg(rx.cap(1));
320 return QBrush(_palette.brush(_paletteColorRoles.value(rx.cap(1))));
322 } else if(str.startsWith("qlineargradient")) {
323 static QString rxFloat("\\s*(-?\\s*[0-9]*\\.?[0-9]+)\\s*");
324 QRegExp rx(QString("qlineargradient\\s*\\(\\s*x1:%1,\\s*y1:%1,\\s*x2:%1,\\s*y2:%1,(.+)\\)").arg(rxFloat));
325 if(!rx.exactMatch(str)) {
326 qWarning() << Q_FUNC_INFO << tr("Invalid gradient declaration: %1").arg(str);
329 qreal x1 = rx.cap(1).toDouble();
330 qreal y1 = rx.cap(2).toDouble();
331 qreal x2 = rx.cap(3).toDouble();
332 qreal y2 = rx.cap(4).toDouble();
333 QGradientStops stops = parseGradientStops(rx.cap(5).trimmed());
335 qWarning() << Q_FUNC_INFO << tr("Invalid gradient stops list: %1").arg(str);
338 QLinearGradient gradient(x1, y1, x2, y2);
339 gradient.setStops(stops);
342 return QBrush(gradient);
344 } else if(str.startsWith("qconicalgradient")) {
345 static QString rxFloat("\\s*(-?\\s*[0-9]*\\.?[0-9]+)\\s*");
346 QRegExp rx(QString("qconicalgradient\\s*\\(\\s*cx:%1,\\s*cy:%1,\\s*angle:%1,(.+)\\)").arg(rxFloat));
347 if(!rx.exactMatch(str)) {
348 qWarning() << Q_FUNC_INFO << tr("Invalid gradient declaration: %1").arg(str);
351 qreal cx = rx.cap(1).toDouble();
352 qreal cy = rx.cap(2).toDouble();
353 qreal angle = rx.cap(3).toDouble();
354 QGradientStops stops = parseGradientStops(rx.cap(4).trimmed());
356 qWarning() << Q_FUNC_INFO << tr("Invalid gradient stops list: %1").arg(str);
359 QConicalGradient gradient(cx, cy, angle);
360 gradient.setStops(stops);
363 return QBrush(gradient);
365 } else if(str.startsWith("qradialgradient")) {
366 static QString rxFloat("\\s*(-?\\s*[0-9]*\\.?[0-9]+)\\s*");
367 QRegExp rx(QString("qradialgradient\\s*\\(\\s*cx:%1,\\s*cy:%1,\\s*radius:%1,\\s*fx:%1,\\s*fy:%1,(.+)\\)").arg(rxFloat));
368 if(!rx.exactMatch(str)) {
369 qWarning() << Q_FUNC_INFO << tr("Invalid gradient declaration: %1").arg(str);
372 qreal cx = rx.cap(1).toDouble();
373 qreal cy = rx.cap(2).toDouble();
374 qreal radius = rx.cap(3).toDouble();
375 qreal fx = rx.cap(4).toDouble();
376 qreal fy = rx.cap(5).toDouble();
377 QGradientStops stops = parseGradientStops(rx.cap(6).trimmed());
379 qWarning() << Q_FUNC_INFO << tr("Invalid gradient stops list: %1").arg(str);
382 QRadialGradient gradient(cx, cy, radius, fx, fy);
383 gradient.setStops(stops);
386 return QBrush(gradient);
392 QColor QssParser::parseColor(const QString &str) {
393 if(str.startsWith("rgba")) {
394 ColorTuple tuple = parseColorTuple(str.mid(4));
395 if(tuple.count() == 4)
396 return QColor(tuple.at(0), tuple.at(1), tuple.at(2), tuple.at(3));
397 } else if(str.startsWith("rgb")) {
398 ColorTuple tuple = parseColorTuple(str.mid(3));
399 if(tuple.count() == 3)
400 return QColor(tuple.at(0), tuple.at(1), tuple.at(2));
401 } else if(str.startsWith("hsva")) {
402 ColorTuple tuple = parseColorTuple(str.mid(4));
403 if(tuple.count() == 4) {
405 c.setHsvF(tuple.at(0), tuple.at(1), tuple.at(2), tuple.at(3));
408 } else if(str.startsWith("hsv")) {
409 ColorTuple tuple = parseColorTuple(str.mid(3));
410 if(tuple.count() == 3) {
412 c.setHsvF(tuple.at(0), tuple.at(1), tuple.at(2));
416 QRegExp rx("#?[0-9A-Fa-z]+");
417 if(rx.exactMatch(str))
423 // get a list of comma-separated int values or percentages (rel to 0-255)
424 QssParser::ColorTuple QssParser::parseColorTuple(const QString &str) {
426 QRegExp rx("\\(((\\s*[0-9]{1,3}%?\\s*)(,\\s*[0-9]{1,3}%?\\s*)*)\\)");
427 if(!rx.exactMatch(str.trimmed())) {
430 QStringList values = rx.cap(1).split(',');
431 foreach(QString v, values) {
436 if(v.endsWith('%')) {
440 val = (qreal)v.toUInt(&ok);
450 QGradientStops QssParser::parseGradientStops(const QString &str_) {
452 QGradientStops result;
453 static QString rxFloat("(0?\\.[0-9]+|[01])"); // values between 0 and 1
454 QRegExp rx(QString("\\s*,?\\s*stop:\\s*(%1)\\s+([^:]+)(,\\s*stop:|$)").arg(rxFloat));
456 while((idx = rx.indexIn(str)) == 0) {
457 qreal x = rx.cap(1).toDouble();
458 QColor c = parseColor(rx.cap(3));
460 return QGradientStops();
461 result << QGradientStop(x, c);
462 str.remove(0, rx.matchedLength() - rx.cap(4).length());
464 if(!str.trimmed().isEmpty())
465 return QGradientStops();
470 /******** Font Properties ********/
472 void QssParser::parseFont(const QString& value, QTextCharFormat* format) {
473 QRegExp rx("((?:(?:normal|italic|oblique|bold|100|200|300|400|500|600|700|800|900) ){0,2}) ?(\\d+)(pt|px)? \"(.*)\"");
474 if(!rx.exactMatch(value)) {
475 qWarning() << Q_FUNC_INFO << tr("Invalid font specification: %1").arg(value);
478 format->setFontItalic(false);
479 format->setFontWeight(QFont::Normal);
480 QStringList proplist = rx.cap(1).split(' ', QString::SkipEmptyParts);
481 foreach(QString prop, proplist) {
483 format->setFontItalic(true);
484 //else if(prop == "oblique")
485 // format->setStyle(QFont::StyleOblique);
486 else if(prop == "bold")
487 format->setFontWeight(QFont::Bold);
489 int w = prop.toInt();
490 format->setFontWeight(qMin(w / 8, 99)); // taken from Qt's qss parser
494 if(rx.cap(3) == "px")
495 format->setProperty(QTextFormat::FontPixelSize, rx.cap(2).toInt());
497 format->setFontPointSize(rx.cap(2).toInt());
499 format->setFontFamily(rx.cap(4));
502 void QssParser::parseFontStyle(const QString& value, QTextCharFormat* format) {
503 if(value == "normal")
504 format->setFontItalic(false);
505 else if(value == "italic")
506 format->setFontItalic(true);
507 //else if(value == "oblique")
508 // format->setStyle(QFont::StyleOblique);
510 qWarning() << Q_FUNC_INFO << tr("Invalid font style specification: %1").arg(value);
514 void QssParser::parseFontWeight(const QString& value, QTextCharFormat* format) {
515 if(value == "normal")
516 format->setFontWeight(QFont::Normal);
517 else if(value == "bold")
518 format->setFontWeight(QFont::Bold);
521 int w = value.toInt(&ok);
523 qWarning() << Q_FUNC_INFO << tr("Invalid font weight specification: %1").arg(value);
526 format->setFontWeight(qMin(w / 8, 99)); // taken from Qt's qss parser
530 void QssParser::parseFontSize(const QString& value, QTextCharFormat* format) {
531 QRegExp rx("\\(d+)(pt|px)");
532 if(!rx.exactMatch(value)) {
533 qWarning() << Q_FUNC_INFO << tr("Invalid font size specification: %1").arg(value);
536 if(rx.cap(2) == "px")
537 format->setProperty(QTextFormat::FontPixelSize, rx.cap(1).toInt());
539 format->setFontPointSize(rx.cap(1).toInt());
542 void QssParser::parseFontFamily(const QString& value, QTextCharFormat* format) {
543 QString family = value;
544 if(family.startsWith('"') && family.endsWith('"')) {
545 family = family.mid(1, family.length() - 2);
547 format->setFontFamily(family);