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")) {
120 QFont font = format.font();
121 if(property == "font")
122 ok = parseFont(value, &font);
123 else if(property == "font-style")
124 ok = parseFontStyle(value, &font);
125 else if(property == "font-weight")
126 ok = parseFontWeight(value, &font);
127 else if(property == "font-size")
128 ok = parseFontSize(value, &font);
129 else if(property == "font-family")
130 ok = parseFontFamily(value, &font);
132 qWarning() << Q_FUNC_INFO << tr("Invalid font property: %1").arg(line);
136 format.setFont(font);
140 qWarning() << Q_FUNC_INFO << tr("Unknown ChatLine property: %1").arg(property);
144 _formats[fmtType] = format;
147 quint64 QssParser::parseFormatType(const QString &decl) {
148 QRegExp rx("ChatLine(?:::(\\w+))?(?:#(\\w+))?(?:\\[([=-,\\\"\\w\\s]+)\\])?\\s*");
149 // $1: subelement; $2: msgtype; $3: conditionals
150 if(!rx.exactMatch(decl)) {
151 qWarning() << Q_FUNC_INFO << tr("Invalid block declaration: %1").arg(decl);
152 return UiStyle::Invalid;
154 QString subElement = rx.cap(1);
155 QString msgType = rx.cap(2);
156 QString conditions = rx.cap(3);
160 // First determine the subelement
161 if(!subElement.isEmpty()) {
162 if(subElement == "timestamp")
163 fmtType |= UiStyle::Timestamp;
164 else if(subElement == "sender")
165 fmtType |= UiStyle::Sender;
166 else if(subElement == "nick")
167 fmtType |= UiStyle::Nick;
168 else if(subElement == "contents")
169 fmtType |= UiStyle::Contents;
170 else if(subElement == "hostmask")
171 fmtType |= UiStyle::Hostmask;
172 else if(subElement == "modeflags")
173 fmtType |= UiStyle::ModeFlags;
175 qWarning() << Q_FUNC_INFO << tr("Invalid subelement name in %1").arg(decl);
176 return UiStyle::Invalid;
180 // Now, figure out the message type
181 if(!msgType.isEmpty()) {
182 if(msgType == "plain")
183 fmtType |= UiStyle::PlainMsg;
184 else if(msgType == "notice")
185 fmtType |= UiStyle::NoticeMsg;
186 else if(msgType == "action")
187 fmtType |= UiStyle::ActionMsg;
188 else if(msgType == "nick")
189 fmtType |= UiStyle::NickMsg;
190 else if(msgType == "mode")
191 fmtType |= UiStyle::ModeMsg;
192 else if(msgType == "join")
193 fmtType |= UiStyle::JoinMsg;
194 else if(msgType == "part")
195 fmtType |= UiStyle::PartMsg;
196 else if(msgType == "quit")
197 fmtType |= UiStyle::QuitMsg;
198 else if(msgType == "kick")
199 fmtType |= UiStyle::KickMsg;
200 else if(msgType == "kill")
201 fmtType |= UiStyle::KillMsg;
202 else if(msgType == "server")
203 fmtType |= UiStyle::ServerMsg;
204 else if(msgType == "info")
205 fmtType |= UiStyle::InfoMsg;
206 else if(msgType == "error")
207 fmtType |= UiStyle::ErrorMsg;
208 else if(msgType == "daychange")
209 fmtType |= UiStyle::DayChangeMsg;
211 qWarning() << Q_FUNC_INFO << tr("Invalid message type in %1").arg(decl);
215 // Next up: conditional (formats, labels, nickhash)
216 QRegExp condRx("\\s*(\\w+)\\s*=\\s*\"(\\w+)\"\\s*");
217 if(!conditions.isEmpty()) {
218 foreach(const QString &cond, conditions.split(',', QString::SkipEmptyParts)) {
219 if(!condRx.exactMatch(cond)) {
220 qWarning() << Q_FUNC_INFO << tr("Invalid condition %1").arg(cond);
221 return UiStyle::Invalid;
223 QString condName = condRx.cap(1);
224 QString condValue = condRx.cap(2);
225 if(condName == "label") {
226 quint64 labeltype = 0;
227 if(condValue == "highlight")
228 labeltype = UiStyle::Highlight;
230 qWarning() << Q_FUNC_INFO << tr("Invalid message label: %1").arg(condValue);
231 return UiStyle::Invalid;
233 fmtType |= (labeltype << 32);
234 } else if(condName == "sender") {
235 if(condValue == "self")
236 fmtType |= (quint64)UiStyle::OwnMsg << 32; // sender="self" is actually treated as a label
239 quint64 val = condValue.toUInt(&ok, 16);
241 qWarning() << Q_FUNC_INFO << tr("Invalid senderhash specification: %1").arg(condValue);
242 return UiStyle::Invalid;
245 qWarning() << Q_FUNC_INFO << tr("Senderhash can be at most \"fe\"!");
246 return UiStyle::Invalid;
248 fmtType |= val << 48;
258 // Palette { ... } specifies the application palette
259 // ColorGroups can be specified like pseudo states, chaining is OR (contrary to normal CSS handling):
260 // Palette:inactive:disabled { ... } applies to both the Inactive and the Disabled state
261 void QssParser::parsePaletteData(const QString &decl, const QString &contents) {
262 QList<QPalette::ColorGroup> colorGroups;
264 // Check if we want to apply this palette definition for particular ColorGroups
265 QRegExp rx("Palette((:(normal|active|inactive|disabled))*)");
266 if(!rx.exactMatch(decl)) {
267 qWarning() << Q_FUNC_INFO << tr("Invalid block declaration: %1").arg(decl);
270 if(!rx.cap(1).isEmpty()) {
271 QStringList groups = rx.cap(1).split(':', QString::SkipEmptyParts);
272 foreach(QString g, groups) {
273 if((g == "normal" || g == "active") && !colorGroups.contains(QPalette::Active))
274 colorGroups.append(QPalette::Active);
275 else if(g == "inactive" && !colorGroups.contains(QPalette::Inactive))
276 colorGroups.append(QPalette::Inactive);
277 else if(g == "disabled" && !colorGroups.contains(QPalette::Disabled))
278 colorGroups.append(QPalette::Disabled);
282 // Now let's go through the roles
283 foreach(QString line, contents.split(';', QString::SkipEmptyParts)) {
284 int idx = line.indexOf(':');
286 qWarning() << Q_FUNC_INFO << tr("Invalid palette role assignment: %1").arg(line.trimmed());
289 QString rolestr = line.left(idx).trimmed();
290 QString brushstr = line.mid(idx + 1).trimmed();
291 if(!_paletteColorRoles.contains(rolestr)) {
292 qWarning() << Q_FUNC_INFO << tr("Unknown palette role name: %1").arg(rolestr);
295 QBrush brush = parseBrush(brushstr);
296 if(colorGroups.count()) {
297 foreach(QPalette::ColorGroup group, colorGroups)
298 _palette.setBrush(group, _paletteColorRoles.value(rolestr), brush);
300 _palette.setBrush(_paletteColorRoles.value(rolestr), brush);
304 QBrush QssParser::parseBrush(const QString &str, bool *ok) {
307 QColor c = parseColor(str);
314 if(str.startsWith("palette")) { // Palette color role
315 QRegExp rx("palette\\s*\\(\\s*([a-z-]+)\\s*\\)");
316 if(!rx.exactMatch(str)) {
317 qWarning() << Q_FUNC_INFO << tr("Invalid palette color role specification: %1").arg(str);
320 if(!_paletteColorRoles.contains(rx.cap(1))) {
321 qWarning() << Q_FUNC_INFO << tr("Unknown palette color role: %1").arg(rx.cap(1));
324 return QBrush(_palette.brush(_paletteColorRoles.value(rx.cap(1))));
326 } else if(str.startsWith("qlineargradient")) {
327 static QString rxFloat("\\s*(-?\\s*[0-9]*\\.?[0-9]+)\\s*");
328 QRegExp rx(QString("qlineargradient\\s*\\(\\s*x1:%1,\\s*y1:%1,\\s*x2:%1,\\s*y2:%1,(.+)\\)").arg(rxFloat));
329 if(!rx.exactMatch(str)) {
330 qWarning() << Q_FUNC_INFO << tr("Invalid gradient declaration: %1").arg(str);
333 qreal x1 = rx.cap(1).toDouble();
334 qreal y1 = rx.cap(2).toDouble();
335 qreal x2 = rx.cap(3).toDouble();
336 qreal y2 = rx.cap(4).toDouble();
337 QGradientStops stops = parseGradientStops(rx.cap(5).trimmed());
339 qWarning() << Q_FUNC_INFO << tr("Invalid gradient stops list: %1").arg(str);
342 QLinearGradient gradient(x1, y1, x2, y2);
343 gradient.setStops(stops);
346 return QBrush(gradient);
348 } else if(str.startsWith("qconicalgradient")) {
349 static QString rxFloat("\\s*(-?\\s*[0-9]*\\.?[0-9]+)\\s*");
350 QRegExp rx(QString("qconicalgradient\\s*\\(\\s*cx:%1,\\s*cy:%1,\\s*angle:%1,(.+)\\)").arg(rxFloat));
351 if(!rx.exactMatch(str)) {
352 qWarning() << Q_FUNC_INFO << tr("Invalid gradient declaration: %1").arg(str);
355 qreal cx = rx.cap(1).toDouble();
356 qreal cy = rx.cap(2).toDouble();
357 qreal angle = rx.cap(3).toDouble();
358 QGradientStops stops = parseGradientStops(rx.cap(4).trimmed());
360 qWarning() << Q_FUNC_INFO << tr("Invalid gradient stops list: %1").arg(str);
363 QConicalGradient gradient(cx, cy, angle);
364 gradient.setStops(stops);
367 return QBrush(gradient);
369 } else if(str.startsWith("qradialgradient")) {
370 static QString rxFloat("\\s*(-?\\s*[0-9]*\\.?[0-9]+)\\s*");
371 QRegExp rx(QString("qradialgradient\\s*\\(\\s*cx:%1,\\s*cy:%1,\\s*radius:%1,\\s*fx:%1,\\s*fy:%1,(.+)\\)").arg(rxFloat));
372 if(!rx.exactMatch(str)) {
373 qWarning() << Q_FUNC_INFO << tr("Invalid gradient declaration: %1").arg(str);
376 qreal cx = rx.cap(1).toDouble();
377 qreal cy = rx.cap(2).toDouble();
378 qreal radius = rx.cap(3).toDouble();
379 qreal fx = rx.cap(4).toDouble();
380 qreal fy = rx.cap(5).toDouble();
381 QGradientStops stops = parseGradientStops(rx.cap(6).trimmed());
383 qWarning() << Q_FUNC_INFO << tr("Invalid gradient stops list: %1").arg(str);
386 QRadialGradient gradient(cx, cy, radius, fx, fy);
387 gradient.setStops(stops);
390 return QBrush(gradient);
396 QColor QssParser::parseColor(const QString &str) {
397 if(str.startsWith("rgba")) {
398 ColorTuple tuple = parseColorTuple(str.mid(4));
399 if(tuple.count() == 4)
400 return QColor(tuple.at(0), tuple.at(1), tuple.at(2), tuple.at(3));
401 } else if(str.startsWith("rgb")) {
402 ColorTuple tuple = parseColorTuple(str.mid(3));
403 if(tuple.count() == 3)
404 return QColor(tuple.at(0), tuple.at(1), tuple.at(2));
405 } else if(str.startsWith("hsva")) {
406 ColorTuple tuple = parseColorTuple(str.mid(4));
407 if(tuple.count() == 4) {
409 c.setHsvF(tuple.at(0), tuple.at(1), tuple.at(2), tuple.at(3));
412 } else if(str.startsWith("hsv")) {
413 ColorTuple tuple = parseColorTuple(str.mid(3));
414 if(tuple.count() == 3) {
416 c.setHsvF(tuple.at(0), tuple.at(1), tuple.at(2));
420 QRegExp rx("#?[0-9A-Fa-z]+");
421 if(rx.exactMatch(str))
427 // get a list of comma-separated int values or percentages (rel to 0-255)
428 QssParser::ColorTuple QssParser::parseColorTuple(const QString &str) {
430 QRegExp rx("\\(((\\s*[0-9]{1,3}%?\\s*)(,\\s*[0-9]{1,3}%?\\s*)*)\\)");
431 if(!rx.exactMatch(str.trimmed())) {
434 QStringList values = rx.cap(1).split(',');
435 foreach(QString v, values) {
440 if(v.endsWith('%')) {
444 val = (qreal)v.toUInt(&ok);
454 QGradientStops QssParser::parseGradientStops(const QString &str_) {
456 QGradientStops result;
457 static QString rxFloat("(0?\\.[0-9]+|[01])"); // values between 0 and 1
458 QRegExp rx(QString("\\s*,?\\s*stop:\\s*(%1)\\s+([^:]+)(,\\s*stop:|$)").arg(rxFloat));
460 while((idx = rx.indexIn(str)) == 0) {
461 qreal x = rx.cap(1).toDouble();
462 QColor c = parseColor(rx.cap(3));
464 return QGradientStops();
465 result << QGradientStop(x, c);
466 str.remove(0, rx.matchedLength() - rx.cap(4).length());
468 if(!str.trimmed().isEmpty())
469 return QGradientStops();
474 /******** Font Properties ********/
476 bool QssParser::parseFont(const QString &value, QFont *font) {
477 QRegExp rx("((?:(?:normal|italic|oblique|bold|100|200|300|400|500|600|700|800|900) ){0,2}) ?(\\d+)(pt|px)? \"(.*)\"");
478 if(!rx.exactMatch(value)) {
479 qWarning() << Q_FUNC_INFO << tr("Invalid font specification: %1").arg(value);
482 font->setStyle(QFont::StyleNormal);
483 font->setWeight(QFont::Normal);
484 QStringList proplist = rx.cap(1).split(' ', QString::SkipEmptyParts);
485 foreach(QString prop, proplist) {
487 font->setStyle(QFont::StyleItalic);
488 else if(prop == "oblique")
489 font->setStyle(QFont::StyleOblique);
490 else if(prop == "bold")
491 font->setWeight(QFont::Bold);
493 int w = prop.toInt();
494 font->setWeight(qMin(w / 8, 99)); // taken from Qt's qss parser
498 if(rx.cap(3) == "px")
499 font->setPixelSize(rx.cap(2).toInt());
501 font->setPointSize(rx.cap(2).toInt());
503 font->setFamily(rx.cap(4));
507 bool QssParser::parseFontStyle(const QString &value, QFont *font) {
508 if(value == "normal")
509 font->setStyle(QFont::StyleNormal);
510 else if(value == "italic")
511 font->setStyle(QFont::StyleItalic);
512 else if(value == "oblique")
513 font->setStyle(QFont::StyleOblique);
515 qWarning() << Q_FUNC_INFO << tr("Invalid font style specification: %1").arg(value);
521 bool QssParser::parseFontWeight(const QString &value, QFont *font) {
522 if(value == "normal")
523 font->setWeight(QFont::Normal);
524 else if(value == "bold")
525 font->setWeight(QFont::Bold);
528 int w = value.toInt(&ok);
530 qWarning() << Q_FUNC_INFO << tr("Invalid font weight specification: %1").arg(value);
533 font->setWeight(qMin(w / 8, 99)); // taken from Qt's qss parser
538 bool QssParser::parseFontSize(const QString &value, QFont *font) {
539 QRegExp rx("\\(d+)(pt|px)");
540 if(!rx.exactMatch(value)) {
541 qWarning() << Q_FUNC_INFO << tr("Invalid font size specification: %1").arg(value);
544 if(rx.cap(2) == "px")
545 font->setPixelSize(rx.cap(1).toInt());
547 font->setPointSize(rx.cap(1).toInt());
551 bool QssParser::parseFontFamily(const QString &value, QFont *font) {
552 QString family = value;
553 if(family.startsWith('"') && family.endsWith('"')) {
554 family = family.mid(1, family.length() -2);
556 font->setFamily(family);