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]");
59 qDeleteAll(_metricsCache);
62 void UiStyle::reload() {
66 void UiStyle::loadStyleSheet() {
67 qDeleteAll(_metricsCache);
68 _metricsCache.clear();
74 styleSheet += loadStyleSheet("file:///" + Quassel::findDataFilePath("default.qss"));
75 styleSheet += loadStyleSheet("file:///" + Quassel::configDirPath() + "settings.qss");
76 if(s.value("UseCustomStyleSheet", false).toBool())
77 styleSheet += loadStyleSheet("file:///" + s.value("CustomStyleSheetPath").toString(), true);
78 styleSheet += loadStyleSheet("file:///" + Quassel::optionValue("qss"), true);
80 if(styleSheet.isEmpty())
84 parser.processStyleSheet(styleSheet);
85 QApplication::setPalette(parser.palette());
86 _formatCache = parser.formats();
88 qApp->setStyleSheet(styleSheet); // pass the remaining sections to the application
93 QString UiStyle::loadStyleSheet(const QString &styleSheet, bool shouldExist) {
94 QString ss = styleSheet;
95 if(ss.startsWith("file:///")) {
101 if(file.open(QFile::ReadOnly)) {
102 QTextStream stream(&file);
103 ss = stream.readAll();
107 qWarning() << "Could not open stylesheet file:" << file.fileName();
114 void UiStyle::setTimestampFormatString(const QString &format) {
115 if(_timestampFormatString != format) {
116 _timestampFormatString = format;
121 /******** Caching *******/
123 QTextCharFormat UiStyle::cachedFormat(quint64 key) const {
124 return _formatCache.value(key, QTextCharFormat());
127 QTextCharFormat UiStyle::cachedFormat(quint32 formatType, quint32 messageLabel) const {
128 return cachedFormat(formatType | ((quint64)messageLabel << 32));
131 void UiStyle::setCachedFormat(const QTextCharFormat &format, quint32 formatType, quint32 messageLabel) {
132 _formatCache[formatType | ((quint64)messageLabel << 32)] = format;
135 QFontMetricsF *UiStyle::fontMetrics(quint32 ftype, quint32 label) {
136 // QFontMetricsF is not assignable, so we need to store pointers :/
137 quint64 key = ftype | ((quint64)label << 32);
139 if(_metricsCache.contains(key))
140 return _metricsCache.value(key);
142 return (_metricsCache[key] = new QFontMetricsF(format(ftype, label).font()));
145 /******** Generate formats ********/
147 // NOTE: This and the following functions are intimately tied to the values in FormatType. Don't change this
148 // until you _really_ know what you do!
149 QTextCharFormat UiStyle::format(quint32 ftype, quint32 label_) {
151 return QTextCharFormat();
153 quint64 label = (quint64)label_ << 32;
155 // check if we have exactly this format readily cached already
156 QTextCharFormat fmt = cachedFormat(label|ftype);
157 if(fmt.properties().count())
160 mergeFormat(fmt, ftype, label & Q_UINT64_C(0xffff000000000000));
162 for(quint64 mask = Q_UINT64_C(0x0000000100000000); mask <= (quint64)Selected << 32; mask <<=1) {
164 mergeFormat(fmt, ftype, mask | Q_UINT64_C(0xffff000000000000));
167 setCachedFormat(fmt, ftype, label_);
171 void UiStyle::mergeFormat(QTextCharFormat &fmt, quint32 ftype, quint64 label) {
172 mergeSubElementFormat(fmt, ftype & 0x000f, label);
174 // TODO: allow combinations for mirc formats and colors (each), e.g. setting a special format for "bold and italic"
175 // or "foreground 01 and background 03"
176 if((ftype & 0xfff0)) { // element format
177 for(quint32 mask = 0x0010; mask <= 0x2000; mask <<= 1) {
179 mergeSubElementFormat(fmt, mask | 0x0f, label);
184 // Now we handle color codes
185 // We assume that those can't be combined with subelement and message types.
186 if(ftype & 0x00400000)
187 mergeSubElementFormat(fmt, ftype & 0x0f400000, label); // foreground
188 if(ftype & 0x00800000)
189 mergeSubElementFormat(fmt, ftype & 0xf0800000, label); // background
190 if((ftype & 0x00c00000) == 0x00c00000)
191 mergeSubElementFormat(fmt, ftype & 0xffc00000, label); // combination
195 mergeSubElementFormat(fmt, ftype & Url, label);
198 // Merge a subelement format into an existing message format
199 void UiStyle::mergeSubElementFormat(QTextCharFormat& fmt, quint32 ftype, quint64 label) {
200 quint64 key = ftype | label;
201 fmt.merge(cachedFormat(key & Q_UINT64_C(0x0000fffffffffff0))); // label + subelement
202 fmt.merge(cachedFormat(key & Q_UINT64_C(0x0000ffffffffffff))); // label + subelement + msgtype
203 fmt.merge(cachedFormat(key & Q_UINT64_C(0xfffffffffffffff0))); // label + subelement + nickhash
204 fmt.merge(cachedFormat(key & Q_UINT64_C(0xffffffffffffffff))); // label + subelement + nickhash + msgtype
207 UiStyle::FormatType UiStyle::formatType(Message::Type msgType) {
211 case Message::Notice:
213 case Message::Action:
229 case Message::Server:
235 case Message::DayChange:
238 //Q_ASSERT(false); // we need to handle all message types
239 qWarning() << Q_FUNC_INFO << "Unknown message type:" << msgType;
243 UiStyle::FormatType UiStyle::formatType(const QString & code) {
244 if(_formatCodes.contains(code)) return _formatCodes.value(code);
248 QString UiStyle::formatCode(FormatType ftype) {
249 return _formatCodes.key(ftype);
252 QList<QTextLayout::FormatRange> UiStyle::toTextLayoutList(const FormatList &formatList, int textLength, quint32 messageLabel) {
253 QList<QTextLayout::FormatRange> formatRanges;
254 QTextLayout::FormatRange range;
256 for(i = 0; i < formatList.count(); i++) {
257 range.format = format(formatList.at(i).second, messageLabel);
258 range.start = formatList.at(i).first;
259 if(i > 0) formatRanges.last().length = range.start - formatRanges.last().start;
260 formatRanges.append(range);
262 if(i > 0) formatRanges.last().length = textLength - formatRanges.last().start;
266 // This method expects a well-formatted string, there is no error checking!
267 // Since we create those ourselves, we should be pretty safe that nobody does something crappy here.
268 UiStyle::StyledString UiStyle::styleString(const QString &s_, quint32 baseFormat) {
270 if(s.length() > 65535) {
271 qWarning() << QString("String too long to be styled: %1").arg(s);
272 return StyledString();
275 result.formatList.append(qMakePair((quint16)0, baseFormat));
276 quint32 curfmt = baseFormat;
277 int pos = 0; quint16 length = 0;
279 pos = s.indexOf('%', pos);
281 if(s[pos+1] == '%') { // escaped %, we just remove one and continue
286 if(s[pos+1] == 'D' && s[pos+2] == 'c') { // color code
287 if(s[pos+3] == '-') { // color off
288 curfmt &= 0x003fffff;
291 int color = 10 * s[pos+4].digitValue() + s[pos+5].digitValue();
292 //TODO: use 99 as transparent color (re mirc color "standard")
294 if(s[pos+3] == 'f') {
295 curfmt &= 0xf0ffffff;
296 curfmt |= (color << 24) | 0x00400000;
298 curfmt &= 0x0fffffff;
299 curfmt |= (color << 28) | 0x00800000;
303 } else if(s[pos+1] == 'O') { // reset formatting
304 curfmt &= 0x0000000f; // we keep message type-specific formatting
306 } else if(s[pos+1] == 'R') { // reverse
307 // TODO: implement reverse formatting
310 } else { // all others are toggles
311 QString code = QString("%") + s[pos+1];
312 if(s[pos+1] == 'D') code += s[pos+2];
313 FormatType ftype = formatType(code);
314 if(ftype == Invalid) {
315 qWarning() << (QString("Invalid format code in string: %1").arg(s));
319 length = code.length();
321 s.remove(pos, length);
322 if(pos == result.formatList.last().first)
323 result.formatList.last().second = curfmt;
325 result.formatList.append(qMakePair((quint16)pos, curfmt));
327 result.plainText = s;
331 QString UiStyle::mircToInternal(const QString &mirc_) {
332 QString mirc = mirc_;
333 mirc.replace('%', "%%"); // escape % just to be sure
334 mirc.replace('\x02', "%B");
335 mirc.replace('\x0f', "%O");
336 mirc.replace('\x12', "%R");
337 mirc.replace('\x16', "%R");
338 mirc.replace('\x1d', "%S");
339 mirc.replace('\x1f', "%U");
341 // Now we bring the color codes (\x03) in a sane format that can be parsed more easily later.
342 // %Dcfxx is foreground, %Dcbxx is background color, where xx is a 2 digit dec number denoting the color code.
343 // %Dc- turns color off.
344 // Note: We use the "mirc standard" as described in <http://www.mirc.co.uk/help/color.txt>.
345 // This means that we don't accept something like \x03,5 (even though others, like WeeChat, do).
348 pos = mirc.indexOf('\x03', pos);
349 if(pos < 0) break; // no more mirc color codes
351 int l = mirc.length();
353 // check for fg color
354 if(i < l && mirc[i].isDigit()) {
356 if(i < l && mirc[i].isDigit()) num.append(mirc[i++]);
357 else num.prepend('0');
358 ins = QString("%Dcf%1").arg(num);
360 if(i+1 < l && mirc[i] == ',' && mirc[i+1].isDigit()) {
363 if(i < l && mirc[i].isDigit()) num.append(mirc[i++]);
364 else num.prepend('0');
365 ins += QString("%Dcb%1").arg(num);
370 mirc.replace(pos, i-pos, ins);
375 /***********************************************************************************/
376 UiStyle::StyledMessage::StyledMessage(const Message &msg)
379 if(type() == Message::Plain)
382 _senderHash = 0x00; // this means we never compute the hash for msgs that aren't plain
385 void UiStyle::StyledMessage::style() const {
386 QString user = userFromMask(sender());
387 QString host = hostFromMask(sender());
388 QString nick = nickFromMask(sender());
389 QString txt = UiStyle::mircToInternal(contents());
390 QString bufferName = bufferInfo().bufferName();
391 bufferName.replace('%', "%%"); // well, you _can_ have a % in a buffername apparently... -_-
397 t = tr("%1").arg(txt); break;
398 case Message::Notice:
400 t = tr("%1").arg(txt); break;
401 case Message::Action:
403 t = tr("%DN%1%DN %2").arg(nick).arg(txt);
407 if(nick == contents()) t = tr("You are now known as %DN%1%DN").arg(txt);
408 else t = tr("%DN%1%DN is now known as %DN%2%DN").arg(nick, txt);
412 if(nick.isEmpty()) t = tr("User mode: %DM%1%DM").arg(txt);
413 else t = tr("Mode %DM%1%DM by %DN%2%DN").arg(txt, nick);
417 t = tr("%DN%1%DN %DH(%2@%3)%DH has joined %DC%4%DC").arg(nick, user, host, bufferName); break;
420 t = tr("%DN%1%DN %DH(%2@%3)%DH has left %DC%4%DC").arg(nick, user, host, bufferName);
421 if(!txt.isEmpty()) t = QString("%1 (%2)").arg(t).arg(txt);
425 t = tr("%DN%1%DN %DH(%2@%3)%DH has quit").arg(nick, user, host);
426 if(!txt.isEmpty()) t = QString("%1 (%2)").arg(t).arg(txt);
428 case Message::Kick: {
429 QString victim = txt.section(" ", 0, 0);
430 QString kickmsg = txt.section(" ", 1);
432 t = tr("%DN%1%DN has kicked %DN%2%DN from %DC%3%DC").arg(nick).arg(victim).arg(bufferName);
433 if(!kickmsg.isEmpty()) t = QString("%1 (%2)").arg(t).arg(kickmsg);
436 //case Message::Kill: FIXME
438 case Message::Server:
440 t = tr("%1").arg(txt); break;
443 t = tr("%1").arg(txt); break;
446 t = tr("%1").arg(txt); break;
447 case Message::DayChange:
448 //: Day Change Message
449 t = tr("{Day changed to %1}").arg(timestamp().toString());
452 t = tr("[%1]").arg(txt);
454 _contents = UiStyle::styleString(t, UiStyle::formatType(type()));
457 const QString &UiStyle::StyledMessage::plainContents() const {
458 if(_contents.plainText.isNull())
461 return _contents.plainText;
464 const UiStyle::FormatList &UiStyle::StyledMessage::contentsFormatList() const {
465 if(_contents.plainText.isNull())
468 return _contents.formatList;
471 QString UiStyle::StyledMessage::decoratedTimestamp() const {
472 return timestamp().toLocalTime().toString(UiStyle::timestampFormatString());
475 QString UiStyle::StyledMessage::plainSender() const {
478 case Message::Notice:
479 return nickFromMask(sender());
485 QString UiStyle::StyledMessage::decoratedSender() const {
488 return tr("<%1>").arg(plainSender()); break;
489 case Message::Notice:
490 return tr("[%1]").arg(plainSender()); break;
493 case Message::Server:
494 return tr("*"); break;
496 return tr("*"); break;
498 case Message::Action:
499 return tr("-*-"); break;
501 return tr("<->"); break;
503 return tr("***"); break;
504 >>>>>>> Handle all message types properly in UiStyle; eliminate msgtype format codes
506 return tr("-->"); break;
508 return tr("<--"); break;
510 return tr("<--"); break;
512 return tr("<-*"); break;
514 return tr("<-x"); break;
515 case Message::Server:
516 return tr("*"); break;
518 return tr("*"); break;
520 return tr("*"); break;
521 case Message::DayChange:
522 return tr("-"); break;
524 return tr("%1").arg(plainSender());
528 UiStyle::FormatType UiStyle::StyledMessage::senderFormat() const {
531 // To produce random like but stable nick colorings some sort of hashing should work best.
532 // In this case we just use the qt function qChecksum which produces a
533 // CRC16 hash. This should be fast and 16 bits are more than enough.
535 QString nick = nickFromMask(sender()).toLower();
536 if(!nick.isEmpty()) {
538 while(nick[nick.count() - 1 - chopCount] == '_') {
541 nick.chop(chopCount);
543 quint16 hash = qChecksum(nick.toAscii().data(), nick.toAscii().size());
544 return (UiStyle::FormatType)((((hash % 12) + 1) << 24) + 0x200); // FIXME: amount of sender colors hardwired
546 case Message::Notice:
547 return UiStyle::NoticeMsg; break;
549 case Message::Server:
550 return UiStyle::ServerMsg; break;
552 return UiStyle::ErrorMsg; break;
554 return UiStyle::JoinMsg; break;
556 return UiStyle::PartMsg; break;
558 return UiStyle::QuitMsg; break;
560 return UiStyle::KickMsg; break;
562 return UiStyle::NickMsg; break;
564 return UiStyle::ModeMsg; break;
565 case Message::Action:
566 return UiStyle::ActionMsg; break;
568 return UiStyle::ErrorMsg;
572 // FIXME hardcoded to 16 sender hashes
573 quint8 UiStyle::StyledMessage::senderHash() const {
574 if(_senderHash != 0xff)
577 QString nick = nickFromMask(sender()).toLower();
578 if(!nick.isEmpty()) {
580 while(nick.at(nick.count() - 1 - chopCount) == '_')
582 nick.chop(chopCount);
584 quint16 hash = qChecksum(nick.toAscii().data(), nick.toAscii().size());
585 return (_senderHash = (hash & 0xf) + 1);
588 /***********************************************************************************/
590 QDataStream &operator<<(QDataStream &out, const UiStyle::FormatList &formatList) {
591 out << formatList.count();
592 UiStyle::FormatList::const_iterator it = formatList.begin();
593 while(it != formatList.end()) {
594 out << (*it).first << (*it).second;
600 QDataStream &operator>>(QDataStream &in, UiStyle::FormatList &formatList) {
603 for(quint16 i = 0; i < cnt; i++) {
604 quint16 pos; quint32 ftype;
606 formatList.append(qMakePair((quint16)pos, ftype));