--- /dev/null
+/***************************************************************************
+ * Copyright (C) 2005-07 by The Quassel IRC Development Team *
+ * devel@quassel-irc.org *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, write to the *
+ * Free Software Foundation, Inc., *
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ ***************************************************************************/
+
+#include "chatline.h"
+
+//!\brief Construct a ChatLine object from a message.
+/**
+ * \param m The message to be layouted and rendered
+ * \param net The network name
+ * \param buf The buffer name
+ */
+ChatLine::ChatLine(Message m) {
+ hght = 0;
+ //networkName = m.buffer.network();
+ //bufferName = m.buffer.buffer();
+ msg = m;
+ selectionMode = None;
+ formatMsg(msg);
+}
+
+ChatLine::~ChatLine() {
+
+}
+
+void ChatLine::formatMsg(Message msg) {
+ QString user = userFromMask(msg.sender);
+ QString host = hostFromMask(msg.sender);
+ QString nick = nickFromMask(msg.sender);
+ QString text = Style::mircToInternal(msg.text);
+ QString networkName = msg.buffer.network();
+ QString bufferName = msg.buffer.buffer();
+
+ QString c = tr("%DT[%1]").arg(msg.timeStamp.toLocalTime().toString("hh:mm:ss"));
+ QString s, t;
+ switch(msg.type) {
+ case Message::Plain:
+ s = tr("%DS<%1>").arg(nick); t = tr("%D0%1").arg(text); break;
+ case Message::Server:
+ s = tr("%Ds*"); t = tr("%Ds%1").arg(text); break;
+ case Message::Error:
+ s = tr("%De*"); t = tr("%De%1").arg(text); break;
+ case Message::Join:
+ s = tr("%Dj-->"); t = tr("%Dj%DN%DU%1%DU%DN %DH(%2@%3)%DH has joined %DC%DU%4%DU%DC").arg(nick, user, host, bufferName); break;
+ case Message::Part:
+ s = tr("%Dp<--"); t = tr("%Dp%DN%DU%1%DU%DN %DH(%2@%3)%DH has left %DC%DU%4%DU%DC").arg(nick, user, host, bufferName);
+ if(!text.isEmpty()) t = QString("%1 (%2)").arg(t).arg(text);
+ break;
+ case Message::Quit:
+ s = tr("%Dq<--"); t = tr("%Dq%DN%DU%1%DU%DN %DH(%2@%3)%DH has quit").arg(nick, user, host);
+ if(!text.isEmpty()) t = QString("%1 (%2)").arg(t).arg(text);
+ break;
+ case Message::Kick:
+ { s = tr("%Dk<-*");
+ QString victim = text.section(" ", 0, 0);
+ //if(victim == ui.ownNick->currentText()) victim = tr("you");
+ QString kickmsg = text.section(" ", 1);
+ t = tr("%Dk%DN%DU%1%DU%DN has kicked %DN%DU%2%DU%DN from %DC%DU%3%DU%DC").arg(nick).arg(victim).arg(bufferName);
+ if(!kickmsg.isEmpty()) t = QString("%1 (%2)").arg(t).arg(kickmsg);
+ }
+ break;
+ case Message::Nick:
+ s = tr("%Dr<->");
+ if(nick == msg.text) t = tr("%DrYou are now known as %DN%1%DN").arg(msg.text);
+ else t = tr("%Dr%DN%1%DN is now known as %DN%DU%2%DU%DN").arg(nick, msg.text);
+ break;
+ case Message::Mode:
+ s = tr("%Dm***");
+ if(nick.isEmpty()) t = tr("%DmUser mode: %DM%1%DM").arg(msg.text);
+ else t = tr("%DmMode %DM%1%DM by %DN%DU%2%DU%DN").arg(msg.text, nick);
+ break;
+ case Message::Action:
+ s = tr("%Da-*-");
+ t = tr("%Da%DN%DU%1%DU%DN %2").arg(nick).arg(msg.text);
+ break;
+ default:
+ s = tr("%De%1").arg(msg.sender);
+ t = tr("%De[%1]").arg(msg.text);
+ }
+ QTextOption tsOption, senderOption, textOption;
+ tsFormatted = Style::internalToFormatted(c);
+ senderFormatted = Style::internalToFormatted(s);
+ textFormatted = Style::internalToFormatted(t);
+ precomputeLine();
+}
+
+QList<ChatLine::FormatRange> ChatLine::calcFormatRanges(const Style::FormattedString &fs, QTextLayout::FormatRange additional) {
+ QList<FormatRange> ranges;
+ QList<QTextLayout::FormatRange> formats = fs.formats;
+ formats.append(additional);
+ int cur = -1;
+ FormatRange range, lastrange;
+ for(int i = 0; i < fs.text.length(); i++) {
+ QTextCharFormat format;
+ foreach(QTextLayout::FormatRange f, formats) {
+ if(i >= f.start && i < f.start + f.length) format.merge(f.format);
+ }
+ if(cur < 0) {
+ range.start = 0; range.length = 1; range.format= format;
+ cur = 0;
+ } else {
+ if(format == range.format) range.length++;
+ else {
+ QFontMetrics metrics(range.format.font());
+ range.height = metrics.lineSpacing();
+ ranges.append(range);
+ range.start = i; range.length = 1; range.format = format;
+ cur++;
+ }
+ }
+ }
+ if(cur >= 0) {
+ QFontMetrics metrics(range.format.font());
+ range.height = metrics.lineSpacing();
+ ranges.append(range);
+ }
+ return ranges;
+}
+
+void ChatLine::setSelection(SelectionMode mode, int start, int end) {
+ selectionMode = mode;
+ //tsFormat.clear(); senderFormat.clear(); textFormat.clear();
+ QPalette pal = QApplication::palette();
+ QTextLayout::FormatRange tsSel, senderSel, textSel;
+ switch (mode) {
+ case None:
+ tsFormat = calcFormatRanges(tsFormatted);
+ senderFormat = calcFormatRanges(senderFormatted);
+ textFormat = calcFormatRanges(textFormatted);
+ break;
+ case Partial:
+ selectionStart = qMin(start, end); selectionEnd = qMax(start, end);
+ textSel.format.setForeground(pal.brush(QPalette::HighlightedText));
+ textSel.format.setBackground(pal.brush(QPalette::Highlight));
+ textSel.start = selectionStart;
+ textSel.length = selectionEnd - selectionStart;
+ //textFormat.append(textSel);
+ textFormat = calcFormatRanges(textFormatted, textSel);
+ foreach(FormatRange fr, textFormat);
+ break;
+ case Full:
+ tsSel.format.setForeground(pal.brush(QPalette::HighlightedText));
+ tsSel.format.setBackground(pal.brush(QPalette::Highlight));
+ tsSel.start = 0; tsSel.length = tsFormatted.text.length();
+ tsFormat = calcFormatRanges(tsFormatted, tsSel);
+ senderSel.format.setForeground(pal.brush(QPalette::HighlightedText));
+ senderSel.format.setBackground(pal.brush(QPalette::Highlight));
+ senderSel.start = 0; senderSel.length = senderFormatted.text.length();
+ senderFormat = calcFormatRanges(senderFormatted, senderSel);
+ textSel.format.setForeground(pal.brush(QPalette::HighlightedText));
+ textSel.format.setBackground(pal.brush(QPalette::Highlight));
+ textSel.start = 0; textSel.length = textFormatted.text.length();
+ textFormat = calcFormatRanges(textFormatted, textSel);
+ break;
+ }
+}
+
+uint ChatLine::msgId() const {
+ return msg.buffer.uid();
+}
+
+BufferId ChatLine::bufferId() const {
+ return msg.buffer;
+}
+
+QDateTime ChatLine::timeStamp() const {
+ return msg.timeStamp;
+}
+
+QString ChatLine::sender() const {
+ return senderFormatted.text;
+}
+
+QString ChatLine::text() const {
+ return textFormatted.text;
+}
+
+bool ChatLine::isUrl(int c) const {
+ if(c < 0 || c >= charUrlIdx.count()) return false;;
+ return charUrlIdx[c] >= 0;
+}
+
+QUrl ChatLine::getUrl(int c) const {
+ if(c < 0 || c >= charUrlIdx.count()) return QUrl();
+ int i = charUrlIdx[c];
+ if(i >= 0) return textFormatted.urls[i].url;
+ else return QUrl();
+}
+
+//!\brief Return the cursor position for the given coordinate pos.
+/**
+ * \param pos The position relative to the ChatLine
+ * \return The cursor position, [or -3 for invalid,] or -2 for timestamp, or -1 for sender
+ */
+int ChatLine::posToCursor(QPointF pos) {
+ if(pos.x() < tsWidth + (int)Style::sepTsSender()/2) return -2;
+ qreal textStart = tsWidth + Style::sepTsSender() + senderWidth + Style::sepSenderText();
+ if(pos.x() < textStart) return -1;
+ int x = (int)(pos.x() - textStart);
+ for(int l = lineLayouts.count() - 1; l >=0; l--) {
+ LineLayout line = lineLayouts[l];
+ if(pos.y() >= line.y) {
+ int offset = charPos[line.start]; x += offset;
+ for(int i = line.start + line.length - 1; i >= line.start; i--) {
+ if((charPos[i] + charPos[i+1])/2 <= x) return i+1; // FIXME: Optimize this!
+ }
+ return line.start;
+ }
+ }
+}
+
+void ChatLine::precomputeLine() {
+ tsFormat = calcFormatRanges(tsFormatted);
+ senderFormat = calcFormatRanges(senderFormatted);
+ textFormat = calcFormatRanges(textFormatted);
+
+ minHeight = 0;
+ foreach(FormatRange fr, tsFormat) minHeight = qMax(minHeight, fr.height);
+ foreach(FormatRange fr, senderFormat) minHeight = qMax(minHeight, fr.height);
+
+ words.clear();
+ charPos.resize(textFormatted.text.length() + 1);
+ charHeights.resize(textFormatted.text.length());
+ charUrlIdx.fill(-1, textFormatted.text.length());
+ for(int i = 0; i < textFormatted.urls.count(); i++) {
+ Style::UrlInfo url = textFormatted.urls[i];
+ for(int j = url.start; j < url.end; j++) charUrlIdx[j] = i;
+ }
+ if(!textFormat.count()) return;
+ int idx = 0; int cnt = 0; int w = 0; int h = 0;
+ QFontMetrics metrics(textFormat[0].format.font());
+ Word wr;
+ wr.start = -1; wr.trailing = -1;
+ for(int i = 0; i < textFormatted.text.length(); ) {
+ charPos[i] = w; charHeights[i] = textFormat[idx].height;
+ w += metrics.charWidth(textFormatted.text, i);
+ if(!textFormatted.text[i].isSpace()) {
+ if(wr.trailing >= 0) {
+ // new word after space
+ words.append(wr);
+ wr.start = -1;
+ }
+ if(wr.start < 0) {
+ wr.start = i; wr.length = 1; wr.trailing = -1; wr.height = textFormat[idx].height;
+ } else {
+ wr.length++; wr.height = qMax(wr.height, textFormat[idx].height);
+ }
+ } else {
+ if(wr.start < 0) {
+ wr.start = i; wr.length = 0; wr.trailing = 1; wr.height = 0;
+ } else {
+ wr.trailing++;
+ }
+ }
+ if(++i < textFormatted.text.length() && ++cnt >= textFormat[idx].length) {
+ cnt = 0; idx++;
+ Q_ASSERT(idx < textFormat.count());
+ metrics = QFontMetrics(textFormat[idx].format.font());
+ }
+ }
+ charPos[textFormatted.text.length()] = w;
+ if(wr.start >= 0) words.append(wr);
+}
+
+qreal ChatLine::layout(qreal tsw, qreal senderw, qreal textw) {
+ tsWidth = tsw; senderWidth = senderw; textWidth = textw;
+ if(textw <= 0) return minHeight;
+ lineLayouts.clear(); LineLayout line;
+ int h = 0;
+ int offset = 0; int numWords = 0;
+ line.y = 0;
+ line.start = 0;
+ line.height = minHeight; // first line needs room for ts and sender
+ for(int i = 0; i < words.count(); i++) {
+ int lastpos = charPos[words[i].start + words[i].length]; // We use charPos[lastchar + 1], 'coz last char needs to fit
+ if(lastpos - offset <= textw) {
+ line.height = qMax(line.height, words[i].height);
+ line.length = words[i].start + words[i].length - line.start;
+ numWords++;
+ } else {
+ // we need to wrap!
+ if(numWords > 0) {
+ // ok, we had some words before, so store the layout and start a new line
+ h += line.height;
+ line.length = words[i-1].start + words[i-1].length - line.start;
+ lineLayouts.append(line);
+ line.y += line.height;
+ line.start = words[i].start;
+ line.height = words[i].height;
+ offset = charPos[words[i].start];
+ }
+ numWords = 1;
+ // check if the word fits into the current line
+ if(lastpos - offset <= textw) {
+ line.length = words[i].length;
+ } else {
+ // we need to break a word in the middle
+ int border = (int)textw + offset; // save some additions
+ line.start = words[i].start;
+ line.length = 1;
+ line.height = charHeights[line.start];
+ int j = line.start + 1;
+ for(int l = 1; l < words[i].length; j++, l++) {
+ if(charPos[j+1] < border) {
+ line.length++;
+ line.height = qMax(line.height, charHeights[j]);
+ continue;
+ } else {
+ h += line.height;
+ lineLayouts.append(line);
+ line.y += line.height;
+ line.start = j;
+ line.height = charHeights[j];
+ line.length = 1;
+ offset = charPos[j];
+ border = (int)textw + offset;
+ }
+ }
+ }
+ }
+ }
+ h += line.height;
+ if(numWords > 0) {
+ lineLayouts.append(line);
+ }
+ hght = h;
+ return hght;
+}
+
+//!\brief Draw ChatLine on the given QPainter at the given position.
+void ChatLine::draw(QPainter *p, const QPointF &pos) {
+ QPalette pal = QApplication::palette();
+
+ if(selectionMode == Full) {
+ p->setPen(Qt::NoPen);
+ p->setBrush(pal.brush(QPalette::Highlight));
+ p->drawRect(QRectF(pos, QSizeF(tsWidth + Style::sepTsSender() + senderWidth + Style::sepSenderText() + textWidth, height())));
+ } else if(selectionMode == Partial) {
+
+ } /*
+ p->setClipRect(QRectF(pos, QSizeF(tsWidth, height())));
+ tsLayout.draw(p, pos, tsFormat);
+ p->setClipRect(QRectF(pos + QPointF(tsWidth + Style::sepTsSender(), 0), QSizeF(senderWidth, height())));
+ senderLayout.draw(p, pos + QPointF(tsWidth + Style::sepTsSender(), 0), senderFormat);
+ p->setClipping(false);
+ textLayout.draw(p, pos + QPointF(tsWidth + Style::sepTsSender() + senderWidth + Style::sepSenderText(), 0), textFormat);
+ */
+ //p->setClipRect(QRectF(pos, QSizeF(tsWidth, 15)));
+ //p->drawRect(QRectF(pos, QSizeF(tsWidth, minHeight)));
+ p->setBackgroundMode(Qt::OpaqueMode);
+ QPointF tp = pos;
+ QRectF rect(pos, QSizeF(tsWidth, minHeight));
+ QRectF brect;
+ foreach(FormatRange fr, tsFormat) {
+ p->setFont(fr.format.font());
+ p->setPen(QPen(fr.format.foreground(), 0)); p->setBackground(fr.format.background());
+ p->drawText(rect, Qt::AlignLeft|Qt::TextSingleLine, tsFormatted.text.mid(fr.start, fr.length), &brect);
+ rect.setLeft(brect.right());
+ }
+ rect = QRectF(pos + QPointF(tsWidth + Style::sepTsSender(), 0), QSizeF(senderWidth, minHeight));
+ for(int i = senderFormat.count() - 1; i >= 0; i--) {
+ FormatRange fr = senderFormat[i];
+ p->setFont(fr.format.font()); p->setPen(QPen(fr.format.foreground(), 0)); p->setBackground(fr.format.background());
+ p->drawText(rect, Qt::AlignRight|Qt::TextSingleLine, senderFormatted.text.mid(fr.start, fr.length), &brect);
+ rect.setRight(brect.left());
+ }
+ QPointF tpos = pos + QPointF(tsWidth + Style::sepTsSender() + senderWidth + Style::sepSenderText(), 0);
+ qreal h = 0; int l = 0;
+ rect = QRectF(tpos + QPointF(0, h), QSizeF(textWidth, lineLayouts[l].height));
+ int offset = 0;
+ foreach(FormatRange fr, textFormat) {
+ if(l >= lineLayouts.count()) break;
+ p->setFont(fr.format.font()); p->setPen(QPen(fr.format.foreground(), 0)); p->setBackground(fr.format.background());
+ int start, end, frend, llend;
+ do {
+ frend = fr.start + fr.length;
+ if(frend <= lineLayouts[l].start) break;
+ llend = lineLayouts[l].start + lineLayouts[l].length;
+ start = qMax(fr.start, lineLayouts[l].start); end = qMin(frend, llend);
+ rect.setLeft(tpos.x() + charPos[start] - offset);
+ p->drawText(rect, Qt::AlignLeft|Qt::TextSingleLine, textFormatted.text.mid(start, end - start), &brect);
+ if(llend <= end) {
+ h += lineLayouts[l].height;
+ l++;
+ if(l < lineLayouts.count()) {
+ rect = QRectF(tpos + QPointF(0, h), QSizeF(textWidth, lineLayouts[l].height));
+ offset = charPos[lineLayouts[l].start];
+ }
+ }
+ } while(end < frend && l < lineLayouts.count());
+ }
+}
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