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 ***************************************************************************/
20 #include <QApplication>
22 #include "qssparser.h"
25 #include "uisettings.h"
28 QHash<QString, UiStyle::FormatType> UiStyle::_formatCodes;
29 QString UiStyle::_timestampFormatString;
31 UiStyle::UiStyle(QObject *parent) : QObject(parent) {
32 // register FormatList if that hasn't happened yet
33 // FIXME I don't think this actually avoids double registration... then again... does it hurt?
34 if(QVariant::nameToType("UiStyle::FormatList") == QVariant::Invalid) {
35 qRegisterMetaType<FormatList>("UiStyle::FormatList");
36 qRegisterMetaTypeStreamOperators<FormatList>("UiStyle::FormatList");
37 Q_ASSERT(QVariant::nameToType("UiStyle::FormatList") != QVariant::Invalid);
40 // Now initialize the mapping between FormatCodes and FormatTypes...
41 _formatCodes["%O"] = None;
42 _formatCodes["%B"] = Bold;
43 _formatCodes["%S"] = Italic;
44 _formatCodes["%U"] = Underline;
45 _formatCodes["%R"] = Reverse;
47 _formatCodes["%DN"] = Nick;
48 _formatCodes["%DH"] = Hostmask;
49 _formatCodes["%DC"] = ChannelName;
50 _formatCodes["%DM"] = ModeFlags;
51 _formatCodes["%DU"] = Url;
53 setTimestampFormatString("[hh:mm:ss]");
57 UiStyle::~ UiStyle() {
58 qDeleteAll(_metricsCache);
61 void UiStyle::loadStyleSheet() {
62 qDeleteAll(_metricsCache);
63 _metricsCache.clear();
68 styleSheet += loadStyleSheet("file:///" + Quassel::findDataFilePath("default.qss"));
69 styleSheet += loadStyleSheet("file:///" + Quassel::configDirPath() + "custom.qss");
70 // styleSheet += loadStyleSheet("file:///" + some custom file name); FIXME
71 styleSheet += loadStyleSheet("file:///" + Quassel::optionValue("qss"), true);
73 if(styleSheet.isEmpty())
77 parser.processStyleSheet(styleSheet);
78 QApplication::setPalette(parser.palette());
79 _formatCache = parser.formats();
81 qApp->setStyleSheet(styleSheet); // pass the remaining sections to the application
86 QString UiStyle::loadStyleSheet(const QString &styleSheet, bool shouldExist) {
87 QString ss = styleSheet;
88 if(ss.startsWith("file:///")) {
94 if(file.open(QFile::ReadOnly)) {
95 QTextStream stream(&file);
96 ss = stream.readAll();
100 qWarning() << "Could not open stylesheet file:" << file.fileName();
107 void UiStyle::setTimestampFormatString(const QString &format) {
108 if(_timestampFormatString != format) {
109 _timestampFormatString = format;
114 /******** Caching *******/
116 QTextCharFormat UiStyle::cachedFormat(quint64 key) const {
117 return _formatCache.value(key, QTextCharFormat());
120 QTextCharFormat UiStyle::cachedFormat(quint32 formatType, quint32 messageLabel) const {
121 return cachedFormat(formatType | ((quint64)messageLabel << 32));
124 void UiStyle::setCachedFormat(const QTextCharFormat &format, quint32 formatType, quint32 messageLabel) {
125 _formatCache[formatType | ((quint64)messageLabel << 32)] = format;
128 QFontMetricsF *UiStyle::fontMetrics(quint32 ftype, quint32 label) {
129 // QFontMetricsF is not assignable, so we need to store pointers :/
130 quint64 key = ftype | ((quint64)label << 32);
132 if(_metricsCache.contains(key))
133 return _metricsCache.value(key);
135 return (_metricsCache[key] = new QFontMetricsF(format(ftype, label).font()));
138 /******** Generate formats ********/
140 // NOTE: This and the following functions are intimately tied to the values in FormatType. Don't change this
141 // until you _really_ know what you do!
142 QTextCharFormat UiStyle::format(quint32 ftype, quint32 label_) {
144 return QTextCharFormat();
146 quint64 label = (quint64)label_ << 32;
148 // check if we have exactly this format readily cached already
149 QTextCharFormat fmt = cachedFormat(label|ftype);
150 if(fmt.properties().count())
153 mergeFormat(fmt, ftype, label & Q_UINT64_C(0xffff000000000000));
155 for(quint64 mask = Q_UINT64_C(0x0000000100000000); mask <= (quint64)Selected << 32; mask <<=1) {
157 mergeFormat(fmt, ftype, mask | Q_UINT64_C(0xffff000000000000));
160 setCachedFormat(fmt, ftype, label_);
164 void UiStyle::mergeFormat(QTextCharFormat &fmt, quint32 ftype, quint64 label) {
165 mergeSubElementFormat(fmt, ftype & 0x000f, label);
167 // TODO: allow combinations for mirc formats and colors (each), e.g. setting a special format for "bold and italic"
168 // or "foreground 01 and background 03"
169 if((ftype & 0xfff0)) { // element format
170 for(quint32 mask = 0x0010; mask <= 0x2000; mask <<= 1) {
172 mergeSubElementFormat(fmt, mask | 0x0f, label);
177 // Now we handle color codes
178 // We assume that those can't be combined with subelement and message types.
179 if(ftype & 0x00400000)
180 mergeSubElementFormat(fmt, ftype & 0x0f400000, label); // foreground
181 if(ftype & 0x00800000)
182 mergeSubElementFormat(fmt, ftype & 0xf0800000, label); // background
183 if((ftype & 0x00c00000) == 0x00c00000)
184 mergeSubElementFormat(fmt, ftype & 0xffc00000, label); // combination
188 mergeSubElementFormat(fmt, ftype & Url, label);
191 // Merge a subelement format into an existing message format
192 void UiStyle::mergeSubElementFormat(QTextCharFormat& fmt, quint32 ftype, quint64 label) {
193 quint64 key = ftype | label;
194 fmt.merge(cachedFormat(key & Q_UINT64_C(0x0000fffffffffff0))); // label + subelement
195 fmt.merge(cachedFormat(key & Q_UINT64_C(0x0000ffffffffffff))); // label + subelement + msgtype
196 fmt.merge(cachedFormat(key & Q_UINT64_C(0xfffffffffffffff0))); // label + subelement + nickhash
197 fmt.merge(cachedFormat(key & Q_UINT64_C(0xffffffffffffffff))); // label + subelement + nickhash + msgtype
200 UiStyle::FormatType UiStyle::formatType(Message::Type msgType) {
204 case Message::Notice:
206 case Message::Action:
222 case Message::Server:
228 case Message::DayChange:
231 Q_ASSERT(false); // we need to handle all message types
235 UiStyle::FormatType UiStyle::formatType(const QString & code) {
236 if(_formatCodes.contains(code)) return _formatCodes.value(code);
240 QString UiStyle::formatCode(FormatType ftype) {
241 return _formatCodes.key(ftype);
244 QList<QTextLayout::FormatRange> UiStyle::toTextLayoutList(const FormatList &formatList, int textLength, quint32 messageLabel) {
245 QList<QTextLayout::FormatRange> formatRanges;
246 QTextLayout::FormatRange range;
248 for(i = 0; i < formatList.count(); i++) {
249 range.format = format(formatList.at(i).second, messageLabel);
250 range.start = formatList.at(i).first;
251 if(i > 0) formatRanges.last().length = range.start - formatRanges.last().start;
252 formatRanges.append(range);
254 if(i > 0) formatRanges.last().length = textLength - formatRanges.last().start;
258 // This method expects a well-formatted string, there is no error checking!
259 // Since we create those ourselves, we should be pretty safe that nobody does something crappy here.
260 UiStyle::StyledString UiStyle::styleString(const QString &s_, quint32 baseFormat) {
262 if(s.length() > 65535) {
263 qWarning() << QString("String too long to be styled: %1").arg(s);
264 return StyledString();
267 result.formatList.append(qMakePair((quint16)0, baseFormat));
268 quint32 curfmt = baseFormat;
269 int pos = 0; quint16 length = 0;
271 pos = s.indexOf('%', pos);
273 if(s[pos+1] == '%') { // escaped %, we just remove one and continue
278 if(s[pos+1] == 'D' && s[pos+2] == 'c') { // color code
279 if(s[pos+3] == '-') { // color off
280 curfmt &= 0x003fffff;
283 int color = 10 * s[pos+4].digitValue() + s[pos+5].digitValue();
284 //TODO: use 99 as transparent color (re mirc color "standard")
286 if(s[pos+3] == 'f') {
287 curfmt &= 0xf0ffffff;
288 curfmt |= (color << 24) | 0x00400000;
290 curfmt &= 0x0fffffff;
291 curfmt |= (color << 28) | 0x00800000;
295 } else if(s[pos+1] == 'O') { // reset formatting
296 curfmt &= 0x0000000f; // we keep message type-specific formatting
298 } else if(s[pos+1] == 'R') { // reverse
299 // TODO: implement reverse formatting
302 } else { // all others are toggles
303 QString code = QString("%") + s[pos+1];
304 if(s[pos+1] == 'D') code += s[pos+2];
305 FormatType ftype = formatType(code);
306 if(ftype == Invalid) {
307 qWarning() << (QString("Invalid format code in string: %1").arg(s));
311 length = code.length();
313 s.remove(pos, length);
314 if(pos == result.formatList.last().first)
315 result.formatList.last().second = curfmt;
317 result.formatList.append(qMakePair((quint16)pos, curfmt));
319 result.plainText = s;
323 QString UiStyle::mircToInternal(const QString &mirc_) {
324 QString mirc = mirc_;
325 mirc.replace('%', "%%"); // escape % just to be sure
326 mirc.replace('\x02', "%B");
327 mirc.replace('\x0f', "%O");
328 mirc.replace('\x12', "%R");
329 mirc.replace('\x16', "%R");
330 mirc.replace('\x1d', "%S");
331 mirc.replace('\x1f', "%U");
333 // Now we bring the color codes (\x03) in a sane format that can be parsed more easily later.
334 // %Dcfxx is foreground, %Dcbxx is background color, where xx is a 2 digit dec number denoting the color code.
335 // %Dc- turns color off.
336 // Note: We use the "mirc standard" as described in <http://www.mirc.co.uk/help/color.txt>.
337 // This means that we don't accept something like \x03,5 (even though others, like WeeChat, do).
340 pos = mirc.indexOf('\x03', pos);
341 if(pos < 0) break; // no more mirc color codes
343 int l = mirc.length();
345 // check for fg color
346 if(i < l && mirc[i].isDigit()) {
348 if(i < l && mirc[i].isDigit()) num.append(mirc[i++]);
349 else num.prepend('0');
350 ins = QString("%Dcf%1").arg(num);
352 if(i+1 < l && mirc[i] == ',' && mirc[i+1].isDigit()) {
355 if(i < l && mirc[i].isDigit()) num.append(mirc[i++]);
356 else num.prepend('0');
357 ins += QString("%Dcb%1").arg(num);
362 mirc.replace(pos, i-pos, ins);
367 /***********************************************************************************/
368 UiStyle::StyledMessage::StyledMessage(const Message &msg)
371 if(type() == Message::Plain)
374 _senderHash = 0x00; // this means we never compute the hash for msgs that aren't plain
377 void UiStyle::StyledMessage::style() const {
378 QString user = userFromMask(sender());
379 QString host = hostFromMask(sender());
380 QString nick = nickFromMask(sender());
381 QString txt = UiStyle::mircToInternal(contents());
382 QString bufferName = bufferInfo().bufferName();
383 bufferName.replace('%', "%%"); // well, you _can_ have a % in a buffername apparently... -_-
389 t = tr("%1").arg(txt); break;
390 case Message::Notice:
392 t = tr("%1").arg(txt); break;
393 case Message::Action:
395 t = tr("%DN%1%DN %2").arg(nick).arg(txt);
399 if(nick == contents()) t = tr("You are now known as %DN%1%DN").arg(txt);
400 else t = tr("%DN%1%DN is now known as %DN%2%DN").arg(nick, txt);
404 if(nick.isEmpty()) t = tr("User mode: %DM%1%DM").arg(txt);
405 else t = tr("Mode %DM%1%DM by %DN%2%DN").arg(txt, nick);
409 t = tr("%DN%1%DN %DH(%2@%3)%DH has joined %DC%4%DC").arg(nick, user, host, bufferName); break;
412 t = tr("%DN%1%DN %DH(%2@%3)%DH has left %DC%4%DC").arg(nick, user, host, bufferName);
413 if(!txt.isEmpty()) t = QString("%1 (%2)").arg(t).arg(txt);
417 t = tr("%DN%1%DN %DH(%2@%3)%DH has quit").arg(nick, user, host);
418 if(!txt.isEmpty()) t = QString("%1 (%2)").arg(t).arg(txt);
420 case Message::Kick: {
421 QString victim = txt.section(" ", 0, 0);
422 QString kickmsg = txt.section(" ", 1);
424 t = tr("%DN%1%DN has kicked %DN%2%DN from %DC%3%DC").arg(nick).arg(victim).arg(bufferName);
425 if(!kickmsg.isEmpty()) t = QString("%1 (%2)").arg(t).arg(kickmsg);
428 //case Message::Kill: FIXME
430 case Message::Server:
432 t = tr("%1").arg(txt); break;
435 t = tr("%1").arg(txt); break;
438 t = tr("%1").arg(txt); break;
439 case Message::DayChange:
440 //: Day Change Message
441 t = tr("{Day changed to %1}").arg(timestamp().toString());
444 t = tr("[%1]").arg(txt);
446 _contents = UiStyle::styleString(t, UiStyle::formatType(type()));
449 const QString &UiStyle::StyledMessage::plainContents() const {
450 if(_contents.plainText.isNull())
453 return _contents.plainText;
456 const UiStyle::FormatList &UiStyle::StyledMessage::contentsFormatList() const {
457 if(_contents.plainText.isNull())
460 return _contents.formatList;
463 QString UiStyle::StyledMessage::decoratedTimestamp() const {
464 return timestamp().toLocalTime().toString(UiStyle::timestampFormatString());
467 QString UiStyle::StyledMessage::plainSender() const {
470 case Message::Notice:
471 return nickFromMask(sender());
477 QString UiStyle::StyledMessage::decoratedSender() const {
480 return tr("<%1>").arg(plainSender()); break;
481 case Message::Notice:
482 return tr("[%1]").arg(plainSender()); break;
485 case Message::Server:
486 return tr("*"); break;
488 return tr("*"); break;
490 case Message::Action:
491 return tr("-*-"); break;
493 return tr("<->"); break;
495 return tr("***"); break;
496 >>>>>>> Handle all message types properly in UiStyle; eliminate msgtype format codes
498 return tr("-->"); break;
500 return tr("<--"); break;
502 return tr("<--"); break;
504 return tr("<-*"); break;
506 return tr("<-x"); break;
507 case Message::Server:
508 return tr("*"); break;
510 return tr("*"); break;
512 return tr("*"); break;
513 case Message::DayChange:
514 return tr("-"); break;
516 return tr("%1").arg(plainSender());
520 UiStyle::FormatType UiStyle::StyledMessage::senderFormat() const {
523 // To produce random like but stable nick colorings some sort of hashing should work best.
524 // In this case we just use the qt function qChecksum which produces a
525 // CRC16 hash. This should be fast and 16 bits are more than enough.
527 QString nick = nickFromMask(sender()).toLower();
528 if(!nick.isEmpty()) {
530 while(nick[nick.count() - 1 - chopCount] == '_') {
533 nick.chop(chopCount);
535 quint16 hash = qChecksum(nick.toAscii().data(), nick.toAscii().size());
536 return (UiStyle::FormatType)((((hash % 12) + 1) << 24) + 0x200); // FIXME: amount of sender colors hardwired
538 case Message::Notice:
539 return UiStyle::NoticeMsg; break;
541 case Message::Server:
542 return UiStyle::ServerMsg; break;
544 return UiStyle::ErrorMsg; break;
546 return UiStyle::JoinMsg; break;
548 return UiStyle::PartMsg; break;
550 return UiStyle::QuitMsg; break;
552 return UiStyle::KickMsg; break;
554 return UiStyle::NickMsg; break;
556 return UiStyle::ModeMsg; break;
557 case Message::Action:
558 return UiStyle::ActionMsg; break;
560 return UiStyle::ErrorMsg;
564 // FIXME hardcoded to 16 sender hashes
565 quint8 UiStyle::StyledMessage::senderHash() const {
566 if(_senderHash != 0xff)
569 QString nick = nickFromMask(sender()).toLower();
570 if(!nick.isEmpty()) {
572 while(nick.at(nick.count() - 1 - chopCount) == '_')
574 nick.chop(chopCount);
576 quint16 hash = qChecksum(nick.toAscii().data(), nick.toAscii().size());
577 return (_senderHash = (hash & 0xf) + 1);
580 /***********************************************************************************/
582 QDataStream &operator<<(QDataStream &out, const UiStyle::FormatList &formatList) {
583 out << formatList.count();
584 UiStyle::FormatList::const_iterator it = formatList.begin();
585 while(it != formatList.end()) {
586 out << (*it).first << (*it).second;
592 QDataStream &operator>>(QDataStream &in, UiStyle::FormatList &formatList) {
595 for(quint16 i = 0; i < cnt; i++) {
596 quint16 pos; quint32 ftype;
598 formatList.append(qMakePair((quint16)pos, ftype));