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 == "hostmask")
169 fmtType |= UiStyle::Hostmask;
170 else if(subElement == "modeflags")
171 fmtType |= UiStyle::ModeFlags;
173 qWarning() << Q_FUNC_INFO << tr("Invalid subelement name in %1").arg(decl);
174 return UiStyle::Invalid;
178 // Now, figure out the message type
179 if(!msgType.isEmpty()) {
180 if(msgType == "plain")
181 fmtType |= UiStyle::PlainMsg;
182 else if(msgType == "notice")
183 fmtType |= UiStyle::NoticeMsg;
184 else if(msgType == "server")
185 fmtType |= UiStyle::ServerMsg;
186 else if(msgType == "error")
187 fmtType |= UiStyle::ErrorMsg;
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 == "rename")
197 fmtType |= UiStyle::RenameMsg;
198 else if(msgType == "mode")
199 fmtType |= UiStyle::ModeMsg;
200 else if(msgType == "action")
201 fmtType |= UiStyle::ActionMsg;
203 qWarning() << Q_FUNC_INFO << tr("Invalid message type in %1").arg(decl);
207 // Next up: conditional (formats, labels, nickhash)
208 QRegExp condRx("\\s*(\\w+)\\s*=\\s*\"(\\w+)\"\\s*");
209 if(!conditions.isEmpty()) {
210 foreach(const QString &cond, conditions.split(',', QString::SkipEmptyParts)) {
211 if(!condRx.exactMatch(cond)) {
212 qWarning() << Q_FUNC_INFO << tr("Invalid condition %1").arg(cond);
213 return UiStyle::Invalid;
215 QString condName = condRx.cap(1);
216 QString condValue = condRx.cap(2);
217 if(condName == "label") {
218 quint64 labeltype = 0;
219 if(condValue == "highlight")
220 labeltype = UiStyle::Highlight;
222 qWarning() << Q_FUNC_INFO << tr("Invalid message label: %1").arg(condValue);
223 return UiStyle::Invalid;
225 fmtType |= (labeltype << 32);
226 } else if(condName == "sender") {
227 if(condValue == "self")
228 fmtType |= (quint64)UiStyle::OwnMsg << 32; // sender="self" is actually treated as a label
231 quint64 val = condValue.toUInt(&ok, 16);
233 qWarning() << Q_FUNC_INFO << tr("Invalid senderhash specification: %1").arg(condValue);
234 return UiStyle::Invalid;
237 qWarning() << Q_FUNC_INFO << tr("Senderhash can be at most \"fe\"!");
238 return UiStyle::Invalid;
240 fmtType |= val << 48;
250 // Palette { ... } specifies the application palette
251 // ColorGroups can be specified like pseudo states, chaining is OR (contrary to normal CSS handling):
252 // Palette:inactive:disabled { ... } applies to both the Inactive and the Disabled state
253 void QssParser::parsePaletteData(const QString &decl, const QString &contents) {
254 QList<QPalette::ColorGroup> colorGroups;
256 // Check if we want to apply this palette definition for particular ColorGroups
257 QRegExp rx("Palette((:(normal|active|inactive|disabled))*)");
258 if(!rx.exactMatch(decl)) {
259 qWarning() << Q_FUNC_INFO << tr("Invalid block declaration: %1").arg(decl);
262 if(!rx.cap(1).isEmpty()) {
263 QStringList groups = rx.cap(1).split(':', QString::SkipEmptyParts);
264 foreach(QString g, groups) {
265 if((g == "normal" || g == "active") && !colorGroups.contains(QPalette::Active))
266 colorGroups.append(QPalette::Active);
267 else if(g == "inactive" && !colorGroups.contains(QPalette::Inactive))
268 colorGroups.append(QPalette::Inactive);
269 else if(g == "disabled" && !colorGroups.contains(QPalette::Disabled))
270 colorGroups.append(QPalette::Disabled);
274 // Now let's go through the roles
275 foreach(QString line, contents.split(';', QString::SkipEmptyParts)) {
276 int idx = line.indexOf(':');
278 qWarning() << Q_FUNC_INFO << tr("Invalid palette role assignment: %1").arg(line.trimmed());
281 QString rolestr = line.left(idx).trimmed();
282 QString brushstr = line.mid(idx + 1).trimmed();
283 if(!_paletteColorRoles.contains(rolestr)) {
284 qWarning() << Q_FUNC_INFO << tr("Unknown palette role name: %1").arg(rolestr);
287 QBrush brush = parseBrush(brushstr);
288 if(colorGroups.count()) {
289 foreach(QPalette::ColorGroup group, colorGroups)
290 _palette.setBrush(group, _paletteColorRoles.value(rolestr), brush);
292 _palette.setBrush(_paletteColorRoles.value(rolestr), brush);
296 QBrush QssParser::parseBrush(const QString &str, bool *ok) {
299 QColor c = parseColor(str);
306 if(str.startsWith("palette")) { // Palette color role
307 QRegExp rx("palette\\s*\\(\\s*([a-z-]+)\\s*\\)");
308 if(!rx.exactMatch(str)) {
309 qWarning() << Q_FUNC_INFO << tr("Invalid palette color role specification: %1").arg(str);
312 if(!_paletteColorRoles.contains(rx.cap(1))) {
313 qWarning() << Q_FUNC_INFO << tr("Unknown palette color role: %1").arg(rx.cap(1));
316 return QBrush(_palette.brush(_paletteColorRoles.value(rx.cap(1))));
318 } else if(str.startsWith("qlineargradient")) {
319 static QString rxFloat("\\s*(-?\\s*[0-9]*\\.?[0-9]+)\\s*");
320 QRegExp rx(QString("qlineargradient\\s*\\(\\s*x1:%1,\\s*y1:%1,\\s*x2:%1,\\s*y2:%1,(.+)\\)").arg(rxFloat));
321 if(!rx.exactMatch(str)) {
322 qWarning() << Q_FUNC_INFO << tr("Invalid gradient declaration: %1").arg(str);
325 qreal x1 = rx.cap(1).toDouble();
326 qreal y1 = rx.cap(2).toDouble();
327 qreal x2 = rx.cap(3).toDouble();
328 qreal y2 = rx.cap(4).toDouble();
329 QGradientStops stops = parseGradientStops(rx.cap(5).trimmed());
331 qWarning() << Q_FUNC_INFO << tr("Invalid gradient stops list: %1").arg(str);
334 QLinearGradient gradient(x1, y1, x2, y2);
335 gradient.setStops(stops);
338 return QBrush(gradient);
340 } else if(str.startsWith("qconicalgradient")) {
341 static QString rxFloat("\\s*(-?\\s*[0-9]*\\.?[0-9]+)\\s*");
342 QRegExp rx(QString("qconicalgradient\\s*\\(\\s*cx:%1,\\s*cy:%1,\\s*angle:%1,(.+)\\)").arg(rxFloat));
343 if(!rx.exactMatch(str)) {
344 qWarning() << Q_FUNC_INFO << tr("Invalid gradient declaration: %1").arg(str);
347 qreal cx = rx.cap(1).toDouble();
348 qreal cy = rx.cap(2).toDouble();
349 qreal angle = rx.cap(3).toDouble();
350 QGradientStops stops = parseGradientStops(rx.cap(4).trimmed());
352 qWarning() << Q_FUNC_INFO << tr("Invalid gradient stops list: %1").arg(str);
355 QConicalGradient gradient(cx, cy, angle);
356 gradient.setStops(stops);
359 return QBrush(gradient);
361 } else if(str.startsWith("qradialgradient")) {
362 static QString rxFloat("\\s*(-?\\s*[0-9]*\\.?[0-9]+)\\s*");
363 QRegExp rx(QString("qradialgradient\\s*\\(\\s*cx:%1,\\s*cy:%1,\\s*radius:%1,\\s*fx:%1,\\s*fy:%1,(.+)\\)").arg(rxFloat));
364 if(!rx.exactMatch(str)) {
365 qWarning() << Q_FUNC_INFO << tr("Invalid gradient declaration: %1").arg(str);
368 qreal cx = rx.cap(1).toDouble();
369 qreal cy = rx.cap(2).toDouble();
370 qreal radius = rx.cap(3).toDouble();
371 qreal fx = rx.cap(4).toDouble();
372 qreal fy = rx.cap(5).toDouble();
373 QGradientStops stops = parseGradientStops(rx.cap(6).trimmed());
375 qWarning() << Q_FUNC_INFO << tr("Invalid gradient stops list: %1").arg(str);
378 QRadialGradient gradient(cx, cy, radius, fx, fy);
379 gradient.setStops(stops);
382 return QBrush(gradient);
388 QColor QssParser::parseColor(const QString &str) {
389 if(str.startsWith("rgba")) {
390 ColorTuple tuple = parseColorTuple(str.mid(4));
391 if(tuple.count() == 4)
392 return QColor(tuple.at(0), tuple.at(1), tuple.at(2), tuple.at(3));
393 } else if(str.startsWith("rgb")) {
394 ColorTuple tuple = parseColorTuple(str.mid(3));
395 if(tuple.count() == 3)
396 return QColor(tuple.at(0), tuple.at(1), tuple.at(2));
397 } else if(str.startsWith("hsva")) {
398 ColorTuple tuple = parseColorTuple(str.mid(4));
399 if(tuple.count() == 4) {
401 c.setHsvF(tuple.at(0), tuple.at(1), tuple.at(2), tuple.at(3));
404 } else if(str.startsWith("hsv")) {
405 ColorTuple tuple = parseColorTuple(str.mid(3));
406 if(tuple.count() == 3) {
408 c.setHsvF(tuple.at(0), tuple.at(1), tuple.at(2));
412 QRegExp rx("#?[0-9A-Fa-z]+");
413 if(rx.exactMatch(str))
419 // get a list of comma-separated int values or percentages (rel to 0-255)
420 QssParser::ColorTuple QssParser::parseColorTuple(const QString &str) {
422 QRegExp rx("\\(((\\s*[0-9]{1,3}%?\\s*)(,\\s*[0-9]{1,3}%?\\s*)*)\\)");
423 if(!rx.exactMatch(str.trimmed())) {
426 QStringList values = rx.cap(1).split(',');
427 foreach(QString v, values) {
432 if(v.endsWith('%')) {
436 val = (qreal)v.toUInt(&ok);
446 QGradientStops QssParser::parseGradientStops(const QString &str_) {
448 QGradientStops result;
449 static QString rxFloat("(0?\\.[0-9]+|[01])"); // values between 0 and 1
450 QRegExp rx(QString("\\s*,?\\s*stop:\\s*(%1)\\s+([^:]+)(,\\s*stop:|$)").arg(rxFloat));
452 while((idx = rx.indexIn(str)) == 0) {
453 qreal x = rx.cap(1).toDouble();
454 QColor c = parseColor(rx.cap(3));
456 return QGradientStops();
457 result << QGradientStop(x, c);
458 str.remove(0, rx.matchedLength() - rx.cap(4).length());
460 if(!str.trimmed().isEmpty())
461 return QGradientStops();
466 /******** Font Properties ********/
468 bool QssParser::parseFont(const QString &value, QFont *font) {
469 QRegExp rx("((?:(?:normal|italic|oblique|bold|100|200|300|400|500|600|700|800|900) ){0,2}) ?(\\d+)(pt|px)? \"(.*)\"");
470 if(!rx.exactMatch(value)) {
471 qWarning() << Q_FUNC_INFO << tr("Invalid font specification: %1").arg(value);
474 font->setStyle(QFont::StyleNormal);
475 font->setWeight(QFont::Normal);
476 QStringList proplist = rx.cap(1).split(' ', QString::SkipEmptyParts);
477 foreach(QString prop, proplist) {
479 font->setStyle(QFont::StyleItalic);
480 else if(prop == "oblique")
481 font->setStyle(QFont::StyleOblique);
482 else if(prop == "bold")
483 font->setWeight(QFont::Bold);
485 int w = prop.toInt();
486 font->setWeight(qMin(w / 8, 99)); // taken from Qt's qss parser
490 if(rx.cap(3) == "px")
491 font->setPixelSize(rx.cap(2).toInt());
493 font->setPointSize(rx.cap(2).toInt());
495 font->setFamily(rx.cap(4));
499 bool QssParser::parseFontStyle(const QString &value, QFont *font) {
500 if(value == "normal")
501 font->setStyle(QFont::StyleNormal);
502 else if(value == "italic")
503 font->setStyle(QFont::StyleItalic);
504 else if(value == "oblique")
505 font->setStyle(QFont::StyleOblique);
507 qWarning() << Q_FUNC_INFO << tr("Invalid font style specification: %1").arg(value);
513 bool QssParser::parseFontWeight(const QString &value, QFont *font) {
514 if(value == "normal")
515 font->setWeight(QFont::Normal);
516 else if(value == "bold")
517 font->setWeight(QFont::Bold);
520 int w = value.toInt(&ok);
522 qWarning() << Q_FUNC_INFO << tr("Invalid font weight specification: %1").arg(value);
525 font->setWeight(qMin(w / 8, 99)); // taken from Qt's qss parser
530 bool QssParser::parseFontSize(const QString &value, QFont *font) {
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 font->setPixelSize(rx.cap(1).toInt());
539 font->setPointSize(rx.cap(1).toInt());
543 bool QssParser::parseFontFamily(const QString &value, QFont *font) {
544 QString family = value;
545 if(family.startsWith('"') && family.endsWith('"')) {
546 family = family.mid(1, family.length() -2);
548 font->setFamily(family);