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(2) == "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)
105 quint64 QssParser::parseFormatType(const QString &decl) {
106 QRegExp rx("ChatLine(?:::(\\w+))?(?:#(\\w+))?(?:\\[([=-,\\\"\\w\\s]+)\\])?\\s*");
107 // $1: subelement; $2: msgtype; $3: conditionals
108 if(!rx.exactMatch(decl)) {
109 qWarning() << Q_FUNC_INFO << tr("Invalid block declaration: %1").arg(decl);
110 return UiStyle::Invalid;
112 QString subElement = rx.cap(1);
113 QString msgType = rx.cap(2);
114 QString conditions = rx.cap(3);
118 // First determine the subelement
119 if(!subElement.isEmpty()) {
120 if(subElement == "Timestamp")
121 fmtType |= UiStyle::Timestamp;
122 else if(subElement == "Sender")
123 fmtType |= UiStyle::Sender;
124 else if(subElement == "Nick")
125 fmtType |= UiStyle::Nick;
126 else if(subElement == "Hostmask")
127 fmtType |= UiStyle::Hostmask;
128 else if(subElement == "ModeFlags")
129 fmtType |= UiStyle::ModeFlags;
131 qWarning() << Q_FUNC_INFO << tr("Invalid subelement name in %1").arg(decl);
132 return UiStyle::Invalid;
136 // Now, figure out the message type
137 if(!msgType.isEmpty()) {
138 if(msgType == "Plain")
139 fmtType |= UiStyle::PlainMsg;
140 else if(msgType == "Notice")
141 fmtType |= UiStyle::NoticeMsg;
142 else if(msgType == "Server")
143 fmtType |= UiStyle::ServerMsg;
144 else if(msgType == "Error")
145 fmtType |= UiStyle::ErrorMsg;
146 else if(msgType == "Join")
147 fmtType |= UiStyle::JoinMsg;
148 else if(msgType == "Part")
149 fmtType |= UiStyle::PartMsg;
150 else if(msgType == "Quit")
151 fmtType |= UiStyle::QuitMsg;
152 else if(msgType == "Kick")
153 fmtType |= UiStyle::KickMsg;
154 else if(msgType == "Rename")
155 fmtType |= UiStyle::RenameMsg;
156 else if(msgType == "Mode")
157 fmtType |= UiStyle::ModeMsg;
158 else if(msgType == "Action")
159 fmtType |= UiStyle::ActionMsg;
161 qWarning() << Q_FUNC_INFO << tr("Invalid message type in %1").arg(decl);
165 // Next up: conditional (formats, labels, nickhash)
166 QRegExp condRx("\\s*(\\w+)\\s*=\\s*\"(\\w+)\"\\s*");
167 if(!conditions.isEmpty()) {
168 foreach(const QString &cond, conditions.split(',', QString::SkipEmptyParts)) {
169 if(!condRx.exactMatch(cond)) {
170 qWarning() << Q_FUNC_INFO << tr("Invalid condition %1").arg(cond);
171 return UiStyle::Invalid;
173 QString condName = condRx.cap(1);
174 QString condValue = condRx.cap(2);
175 if(condName == "label") {
176 quint64 labeltype = 0;
177 if(condValue == "highlight")
178 labeltype = UiStyle::Highlight;
180 qWarning() << Q_FUNC_INFO << tr("Invalid message label: %1").arg(condValue);
181 return UiStyle::Invalid;
183 fmtType |= (labeltype << 32);
184 } else if(condName == "sender") {
185 if(condValue == "self")
186 fmtType |= (quint64)UiStyle::OwnMsg << 32; // sender="self" is actually treated as a label
189 quint64 val = condValue.toUInt(&ok, 16);
191 qWarning() << Q_FUNC_INFO << tr("Invalid senderhash specification: %1").arg(condValue);
192 return UiStyle::Invalid;
195 qWarning() << Q_FUNC_INFO << tr("Senderhash can be at most \"fe\"!");
196 return UiStyle::Invalid;
198 fmtType |= val << 48;
208 // Palette { ... } specifies the application palette
209 // ColorGroups can be specified like pseudo states, chaining is OR (contrary to normal CSS handling):
210 // Palette:inactive:disabled { ... } applies to both the Inactive and the Disabled state
211 void QssParser::parsePaletteData(const QString &decl, const QString &contents) {
212 QList<QPalette::ColorGroup> colorGroups;
214 // Check if we want to apply this palette definition for particular ColorGroups
215 QRegExp rx("Palette((:(normal|active|inactive|disabled))*)");
216 if(!rx.exactMatch(decl)) {
217 qWarning() << Q_FUNC_INFO << tr("Invalid block declaration: %1").arg(decl);
220 if(!rx.cap(1).isEmpty()) {
221 QStringList groups = rx.cap(1).split(':', QString::SkipEmptyParts);
222 foreach(QString g, groups) {
223 if((g == "normal" || g == "active") && !colorGroups.contains(QPalette::Active))
224 colorGroups.append(QPalette::Active);
225 else if(g == "inactive" && !colorGroups.contains(QPalette::Inactive))
226 colorGroups.append(QPalette::Inactive);
227 else if(g == "disabled" && !colorGroups.contains(QPalette::Disabled))
228 colorGroups.append(QPalette::Disabled);
232 // Now let's go through the roles
233 foreach(QString line, contents.split(';', QString::SkipEmptyParts)) {
234 int idx = line.indexOf(':');
236 qWarning() << Q_FUNC_INFO << tr("Invalid palette role assignment: %1").arg(line.trimmed());
239 QString rolestr = line.left(idx).trimmed();
240 QString brushstr = line.mid(idx + 1).trimmed();
241 if(!_paletteColorRoles.contains(rolestr)) {
242 qWarning() << Q_FUNC_INFO << tr("Unknown palette role name: %1").arg(rolestr);
245 QBrush brush = parseBrushValue(brushstr);
246 if(colorGroups.count()) {
247 foreach(QPalette::ColorGroup group, colorGroups)
248 _palette.setBrush(group, _paletteColorRoles.value(rolestr), brush);
250 _palette.setBrush(_paletteColorRoles.value(rolestr), brush);
254 QBrush QssParser::parseBrushValue(const QString &str) {
255 QColor c = parseColorValue(str);
259 if(str.startsWith("palette")) { // Palette color role
260 QRegExp rx("palette\\s*\\(\\s*([a-z-]+)\\s*\\)");
261 if(!rx.exactMatch(str)) {
262 qWarning() << Q_FUNC_INFO << tr("Invalid palette color role specification: %1").arg(str);
265 if(!_paletteColorRoles.contains(rx.cap(1))) {
266 qWarning() << Q_FUNC_INFO << tr("Unknown palette color role: %1").arg(rx.cap(1));
269 return QBrush(_palette.brush(_paletteColorRoles.value(rx.cap(1))));
271 } else if(str.startsWith("qlineargradient")) {
272 static QString rxFloat("\\s*(-?\\s*[0-9]*\\.?[0-9]+)\\s*");
273 QRegExp rx(QString("qlineargradient\\s*\\(\\s*x1:%1,\\s*y1:%1,\\s*x2:%1,\\s*y2:%1,(.+)\\)").arg(rxFloat));
274 if(!rx.exactMatch(str)) {
275 qWarning() << Q_FUNC_INFO << tr("Invalid gradient declaration: %1").arg(str);
278 qreal x1 = rx.cap(1).toDouble();
279 qreal y1 = rx.cap(2).toDouble();
280 qreal x2 = rx.cap(3).toDouble();
281 qreal y2 = rx.cap(4).toDouble();
282 QGradientStops stops = parseGradientStops(rx.cap(5).trimmed());
284 qWarning() << Q_FUNC_INFO << tr("Invalid gradient stops list: %1").arg(str);
287 QLinearGradient gradient(x1, y1, x2, y2);
288 gradient.setStops(stops);
289 return QBrush(gradient);
291 } else if(str.startsWith("qconicalgradient")) {
292 static QString rxFloat("\\s*(-?\\s*[0-9]*\\.?[0-9]+)\\s*");
293 QRegExp rx(QString("qconicalgradient\\s*\\(\\s*cx:%1,\\s*cy:%1,\\s*angle:%1,(.+)\\)").arg(rxFloat));
294 if(!rx.exactMatch(str)) {
295 qWarning() << Q_FUNC_INFO << tr("Invalid gradient declaration: %1").arg(str);
298 qreal cx = rx.cap(1).toDouble();
299 qreal cy = rx.cap(2).toDouble();
300 qreal angle = rx.cap(3).toDouble();
301 QGradientStops stops = parseGradientStops(rx.cap(4).trimmed());
303 qWarning() << Q_FUNC_INFO << tr("Invalid gradient stops list: %1").arg(str);
306 QConicalGradient gradient(cx, cy, angle);
307 gradient.setStops(stops);
308 return QBrush(gradient);
310 } else if(str.startsWith("qradialgradient")) {
311 static QString rxFloat("\\s*(-?\\s*[0-9]*\\.?[0-9]+)\\s*");
312 QRegExp rx(QString("qradialgradient\\s*\\(\\s*cx:%1,\\s*cy:%1,\\s*radius:%1,\\s*fx:%1,\\s*fy:%1,(.+)\\)").arg(rxFloat));
313 if(!rx.exactMatch(str)) {
314 qWarning() << Q_FUNC_INFO << tr("Invalid gradient declaration: %1").arg(str);
317 qreal cx = rx.cap(1).toDouble();
318 qreal cy = rx.cap(2).toDouble();
319 qreal radius = rx.cap(3).toDouble();
320 qreal fx = rx.cap(4).toDouble();
321 qreal fy = rx.cap(5).toDouble();
322 QGradientStops stops = parseGradientStops(rx.cap(6).trimmed());
324 qWarning() << Q_FUNC_INFO << tr("Invalid gradient stops list: %1").arg(str);
327 QRadialGradient gradient(cx, cy, radius, fx, fy);
328 gradient.setStops(stops);
329 return QBrush(gradient);
335 QColor QssParser::parseColorValue(const QString &str) {
336 if(str.startsWith("rgba")) {
337 ColorTuple tuple = parseColorTuple(str.mid(4));
338 if(tuple.count() == 4)
339 return QColor(tuple.at(0), tuple.at(1), tuple.at(2), tuple.at(3));
340 } else if(str.startsWith("rgb")) {
341 ColorTuple tuple = parseColorTuple(str.mid(3));
342 if(tuple.count() == 3)
343 return QColor(tuple.at(0), tuple.at(1), tuple.at(2));
344 } else if(str.startsWith("hsva")) {
345 ColorTuple tuple = parseColorTuple(str.mid(4));
346 if(tuple.count() == 4) {
348 c.setHsvF(tuple.at(0), tuple.at(1), tuple.at(2), tuple.at(3));
351 } else if(str.startsWith("hsv")) {
352 ColorTuple tuple = parseColorTuple(str.mid(3));
353 if(tuple.count() == 3) {
355 c.setHsvF(tuple.at(0), tuple.at(1), tuple.at(2));
359 QRegExp rx("#?[0-9A-Fa-z]+");
360 if(rx.exactMatch(str))
366 // get a list of comma-separated int values or percentages (rel to 0-255)
367 QssParser::ColorTuple QssParser::parseColorTuple(const QString &str) {
369 QRegExp rx("\\(((\\s*[0-9]{1,3}%?\\s*)(,\\s*[0-9]{1,3}%?\\s*)*)\\)");
370 if(!rx.exactMatch(str.trimmed())) {
373 QStringList values = rx.cap(1).split(',');
374 foreach(QString v, values) {
379 if(v.endsWith('%')) {
383 val = (qreal)v.toUInt(&ok);
393 QGradientStops QssParser::parseGradientStops(const QString &str_) {
395 QGradientStops result;
396 static QString rxFloat("(0?\\.[0-9]+|[01])"); // values between 0 and 1
397 QRegExp rx(QString("\\s*,?\\s*stop:\\s*(%1)\\s+([^:]+)(,\\s*stop:|$)").arg(rxFloat));
399 while((idx = rx.indexIn(str)) == 0) {
400 qreal x = rx.cap(1).toDouble();
401 QColor c = parseColorValue(rx.cap(3));
403 return QGradientStops();
404 result << QGradientStop(x, c);
405 str.remove(0, rx.matchedLength() - rx.cap(4).length());
407 if(!str.trimmed().isEmpty())
408 return QGradientStops();