--- /dev/null
+/***************************************************************************
+ * Copyright (C) 2005-07 by The Quassel 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 "util.h"
+#include "style.h"
+#include "chatwidget.h"
+#include <QtGui>
+#include <QtCore>
+
+ChatWidget::ChatWidget(QWidget *parent) : QAbstractScrollArea(parent) {
+ scrollTimer = new QTimer(this);
+ scrollTimer->setSingleShot(false);
+ scrollTimer->setInterval(100);
+ setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::MinimumExpanding);
+ setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
+ setMinimumSize(QSize(400,400));
+ setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+ setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
+ bottomLine = -1;
+ height = 0;
+ ycoords.append(0);
+ pointerPosition = QPoint(0,0);
+ connect(verticalScrollBar(), SIGNAL(actionTriggered(int)), this, SLOT(scrollBarAction(int)));
+ connect(verticalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(scrollBarValChanged(int)));
+}
+
+void ChatWidget::init(QString netname, QString bufname) {
+ networkName = netname;
+ bufferName = bufname;
+ setBackgroundRole(QPalette::Base);
+ setFont(QFont("Fixed"));
+ tsWidth = 90;
+ senderWidth = 100;
+ computePositions();
+ adjustScrollBar();
+ verticalScrollBar()->setValue(verticalScrollBar()->maximum());
+ //verticalScrollBar()->setPageStep(viewport()->height());
+ //verticalScrollBar()->setSingleStep(20);
+ //verticalScrollBar()->setMinimum(0);
+ //verticalScrollBar()->setMaximum((int)height - verticalScrollBar()->pageStep());
+
+ setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
+ setMouseTracking(true);
+ mouseMode = Normal;
+ selectionMode = NoSelection;
+ connect(scrollTimer, SIGNAL(timeout()), this, SLOT(handleScrollTimer()));
+}
+
+ChatWidget::~ChatWidget() {
+ //qDebug() << "destroying chatwidget" << bufferName;
+ //foreach(ChatLine *l, lines) {
+ // delete l;
+ //}
+}
+
+QSize ChatWidget::sizeHint() const {
+ //qDebug() << size();
+ return size();
+}
+
+void ChatWidget::adjustScrollBar() {
+ verticalScrollBar()->setPageStep(viewport()->height());
+ verticalScrollBar()->setSingleStep(20);
+ verticalScrollBar()->setMinimum(0);
+ verticalScrollBar()->setMaximum((int)height - verticalScrollBar()->pageStep());
+ //qDebug() << height << viewport()->height() << verticalScrollBar()->pageStep();
+ //if(bottomLine < 0) {
+ // verticalScrollBar()->setValue(verticalScrollBar()->maximum());
+ //} else {
+ //int bot = verticalScrollBar()->value() + viewport()->height(); //qDebug() << bottomLine;
+ //verticalScrollBar()->setValue(qMax(0, (int)ycoords[bottomLine+1] - viewport()->height()));
+ //}
+}
+
+void ChatWidget::scrollBarValChanged(int val) {
+ return;
+ if(val >= verticalScrollBar()->maximum()) bottomLine = -1;
+ else {
+ int bot = val + viewport()->height();
+ int line = yToLineIdx(bot);
+ //bottomLine = line;
+ }
+}
+
+void ChatWidget::scrollBarAction(int action) {
+ switch(action) {
+ case QScrollBar::SliderSingleStepAdd:
+ // More elaborate. But what with loooong lines?
+ // verticalScrollBar()->setValue((int)ycoords[yToLineIdx(verticalScrollBar()->value() + viewport()->height()) + 1] - viewport()->height());
+ break;
+ case QScrollBar::SliderSingleStepSub:
+ //verticalScrollBar()->setValue((int)ycoords[yToLineIdx(verticalScrollBar()->value())]);
+ break;
+
+ }
+
+}
+
+void ChatWidget::handleScrollTimer() {
+ if(mouseMode == MarkText || mouseMode == MarkLines) {
+ if(pointerPosition.y() > viewport()->height()) {
+ verticalScrollBar()->setValue(verticalScrollBar()->value() + pointerPosition.y() - viewport()->height());
+ handleMouseMoveEvent(QPoint(pointerPosition.x(), viewport()->height()));
+ } else if(pointerPosition.y() < 0) {
+ verticalScrollBar()->setValue(verticalScrollBar()->value() + pointerPosition.y());
+ handleMouseMoveEvent(QPoint(pointerPosition.x(), 0));
+ }
+ }
+}
+
+void ChatWidget::ensureVisible(int line) {
+ int top = verticalScrollBar()->value();
+ int bot = top + viewport()->height();
+ if(ycoords[line+1] > bot) {
+ verticalScrollBar()->setValue(qMax(0, (int)ycoords[line+1] - viewport()->height()));
+ } else if(ycoords[line] < top) {
+ verticalScrollBar()->setValue((int)ycoords[line]);
+ }
+
+}
+
+void ChatWidget::clear() {
+ //contents->clear();
+}
+
+void ChatWidget::prependChatLine(ChatLine *line) {
+ qreal h = line->layout(tsWidth, senderWidth, textWidth);
+ for(int i = 1; i < ycoords.count(); i++) ycoords[i] += h;
+ ycoords.insert(1, h);
+ lines.prepend(line);
+ height += h;
+ // Fix all variables containing line numbers
+ dragStartLine ++;
+ curLine ++;
+ selectionStart ++; selectionEnd ++;
+ adjustScrollBar();
+ verticalScrollBar()->setValue(verticalScrollBar()->value() + (int)h);
+ viewport()->update();
+}
+
+void ChatWidget::prependChatLines(QList<ChatLine *> clist) {
+ QList<qreal> tmpy; tmpy.append(0);
+ qreal h = 0;
+ foreach(ChatLine *l, clist) {
+ h += l->layout(tsWidth, senderWidth, textWidth);
+ tmpy.append(h);
+ }
+ ycoords.removeFirst();
+ for(int i = 0; i < ycoords.count(); i++) ycoords[i] += h;
+ ycoords = tmpy + ycoords;
+ lines = clist + lines;
+ height += h;
+ // Fix all variables containing line numbers
+ int i = clist.count();
+ dragStartLine += i;
+ curLine += i;
+ selectionStart += i; selectionEnd += i; //? selectionEnd += i;
+ //if(bottomLine >= 0) bottomLine += i;
+ adjustScrollBar();
+ //verticalScrollBar()->setPageStep(viewport()->height());
+ //verticalScrollBar()->setSingleStep(20);
+ //verticalScrollBar()->setMaximum((int)height - verticalScrollBar()->pageStep());
+ verticalScrollBar()->setValue(verticalScrollBar()->value() + (int)h);
+ viewport()->update();
+}
+
+
+void ChatWidget::appendChatLine(ChatLine *line) {
+ qreal h = line->layout(tsWidth, senderWidth, textWidth);
+ ycoords.append(h + ycoords[ycoords.count() - 1]);
+ height += h;
+ bool flg = (verticalScrollBar()->value() == verticalScrollBar()->maximum());
+ adjustScrollBar();
+ if(flg) verticalScrollBar()->setValue(verticalScrollBar()->maximum());
+ lines.append(line);
+ viewport()->update();
+}
+
+void ChatWidget::appendChatLines(QList<ChatLine *> list) {
+ foreach(ChatLine *line, list) {
+ qreal h = line->layout(tsWidth, senderWidth, textWidth);
+ ycoords.append(h + ycoords[ycoords.count() - 1]);
+ height += h;
+ lines.append(line);
+ }
+ bool flg = (verticalScrollBar()->value() == verticalScrollBar()->maximum());
+ adjustScrollBar();
+ if(flg) verticalScrollBar()->setValue(verticalScrollBar()->maximum());
+ viewport()->update();
+}
+
+void ChatWidget::setContents(QList<ChatLine *> list) {
+ ycoords.clear();
+ ycoords.append(0);
+ height = 0;
+ lines.clear();
+ appendChatLines(list);
+}
+
+//!\brief Computes the different x position vars for given tsWidth and senderWidth.
+void ChatWidget::computePositions() {
+ senderX = tsWidth + Style::sepTsSender();
+ textX = senderX + senderWidth + Style::sepSenderText();
+ tsGrabPos = tsWidth + (int)Style::sepTsSender()/2;
+ senderGrabPos = senderX + senderWidth + (int)Style::sepSenderText()/2;
+ textWidth = viewport()->size().width() - textX;
+}
+
+void ChatWidget::resizeEvent(QResizeEvent *event) {
+ //qDebug() << bufferName << isVisible() << event->size() << event->oldSize();
+ /*if(event->oldSize().isValid())*/
+ //contents->setWidth(event->size().width());
+ //setAlignment(Qt::AlignBottom);
+ if(event->size().width() != event->oldSize().width()) {
+ computePositions();
+ layout();
+ }
+ //adjustScrollBar();
+ //qDebug() << viewport()->size() << viewport()->height();
+ //QAbstractScrollArea::resizeEvent(event);
+ //qDebug() << viewport()->size() << viewport()->geometry();
+}
+
+void ChatWidget::paintEvent(QPaintEvent *event) {
+ QPainter painter(viewport());
+
+ //qDebug() << verticalScrollBar()->value();
+ painter.translate(0, -verticalScrollBar()->value());
+ int top = event->rect().top() + verticalScrollBar()->value();
+ int bot = top + event->rect().height();
+ int idx = yToLineIdx(top);
+ if(idx < 0) return;
+ for(int i = idx; i < lines.count() ; i++) {
+ lines[i]->draw(&painter, QPointF(0, ycoords[i]));
+ if(ycoords[i+1] > bot) return;
+ }
+}
+
+//!\brief Layout the widget.
+void ChatWidget::layout() {
+ // TODO fix scrollbars
+ //int botLine = yToLineIdx(verticalScrollBar()->value() +
+ qreal y = 0;
+ for(int i = 0; i < lines.count(); i++) {
+ qreal h = lines[i]->layout(tsWidth, senderWidth, textWidth);
+ ycoords[i+1] = h + ycoords[i];
+ }
+ height = ycoords[ycoords.count()-1];
+ adjustScrollBar();
+ verticalScrollBar()->setValue(verticalScrollBar()->maximum());
+ viewport()->update();
+}
+
+int ChatWidget::yToLineIdx(qreal y) {
+ if(y >= ycoords[ycoords.count()-1]) ycoords.count()-1;
+ if(ycoords.count() <= 1) return 0;
+ int uidx = 0;
+ int oidx = ycoords.count() - 1;
+ int idx;
+ while(1) {
+ if(uidx == oidx - 1) return uidx;
+ idx = (uidx + oidx) / 2;
+ if(ycoords[idx] > y) oidx = idx;
+ else uidx = idx;
+ }
+}
+
+void ChatWidget::mousePressEvent(QMouseEvent *event) {
+ if(lines.isEmpty()) return;
+ QPoint pos = event->pos() + QPoint(0, verticalScrollBar()->value());
+ if(event->button() == Qt::LeftButton) {
+ dragStartPos = pos;
+ dragStartMode = Normal;
+ switch(mouseMode) {
+ case Normal:
+ if(mousePos == OverTsSep) {
+ dragStartMode = DragTsSep;
+ setCursor(Qt::ClosedHandCursor);
+ } else if(mousePos == OverTextSep) {
+ dragStartMode = DragTextSep;
+ setCursor(Qt::ClosedHandCursor);
+ } else {
+ dragStartLine = yToLineIdx(pos.y());
+ dragStartCursor = lines[dragStartLine]->posToCursor(QPointF(pos.x(), pos.y()-ycoords[dragStartLine]));
+ }
+ mouseMode = Pressed;
+ break;
+ }
+ }
+}
+
+void ChatWidget::mouseDoubleClickEvent(QMouseEvent *event) {
+
+
+
+}
+
+void ChatWidget::mouseReleaseEvent(QMouseEvent *event) {
+ //QPoint pos = event->pos() + QPoint(0, verticalScrollBar()->value());
+
+ if(event->button() == Qt::LeftButton) {
+ dragStartPos = QPoint();
+ if(mousePos == OverTsSep || mousePos == OverTextSep) setCursor(Qt::OpenHandCursor);
+ else setCursor(Qt::ArrowCursor);
+
+ switch(mouseMode) {
+ case Pressed:
+ mouseMode = Normal;
+ clearSelection();
+ break;
+ case MarkText:
+ mouseMode = Normal;
+ selectionMode = TextSelected;
+ selectionLine = dragStartLine;
+ selectionStart = qMin(dragStartCursor, curCursor);
+ selectionEnd = qMax(dragStartCursor, curCursor);
+ // TODO Make X11SelectionMode configurable!
+ QApplication::clipboard()->setText(selectionToString());
+ break;
+ case MarkLines:
+ mouseMode = Normal;
+ selectionMode = LinesSelected;
+ selectionStart = qMin(dragStartLine, curLine);
+ selectionEnd = qMax(dragStartLine, curLine);
+ // TODO Make X11SelectionMode configurable!
+ QApplication::clipboard()->setText(selectionToString());
+ break;
+ default:
+ mouseMode = Normal;
+ }
+ }
+}
+
+//!\brief React to mouse movements over the ChatWidget.
+/** This is called by Qt whenever the mouse moves. Here we have to do most of the mouse handling,
+ * such as changing column widths, marking text or initiating drag & drop.
+ */
+void ChatWidget::mouseMoveEvent(QMouseEvent *event) {
+ QPoint pos = event->pos(); pointerPosition = pos;
+ // Scroll if mouse pointer leaves widget while dragging
+ if((mouseMode == MarkText || mouseMode == MarkLines) && (pos.y() > viewport()->height() || pos.y() < 0)) {
+ if(!scrollTimer->isActive()) {
+ scrollTimer->start();
+ }
+ } else {
+ if(scrollTimer->isActive()) {
+ scrollTimer->stop();
+ }
+ }
+ handleMouseMoveEvent(pos);
+}
+
+void ChatWidget::handleMouseMoveEvent(const QPoint &_pos) {
+ // FIXME
+ if(lines.count() <= 0) return;
+ // Set some basic properties of the current position
+ QPoint pos = _pos + QPoint(0, verticalScrollBar()->value());
+ int x = pos.x();
+ int y = pos.y();
+ MousePos oldpos = mousePos;
+ if(x >= tsGrabPos - 3 && x <= tsGrabPos + 3) mousePos = OverTsSep;
+ else if(x >= senderGrabPos - 3 && x <= senderGrabPos + 3) mousePos = OverTextSep;
+ else mousePos = None;
+
+ // Pass 1: Do whatever we can before switching mouse mode (if at all).
+ switch(mouseMode) {
+ // No special mode. Set mouse cursor if appropriate.
+ case Normal:
+ {
+ //if(oldpos != mousePos) {
+ if(mousePos == OverTsSep || mousePos == OverTextSep) setCursor(Qt::OpenHandCursor);
+ else {
+ int l = yToLineIdx(y);
+ int c = lines[l]->posToCursor(QPointF(x, y - ycoords[l]));
+ if(c >= 0 && lines[l]->isUrl(c)) {
+ setCursor(Qt::PointingHandCursor);
+ } else {
+ setCursor(Qt::ArrowCursor);
+ }
+ }
+ }
+ break;
+ // Left button pressed. Might initiate marking or drag & drop if we moved past the drag distance.
+ case Pressed:
+ if(!dragStartPos.isNull() && (dragStartPos - pos).manhattanLength() >= QApplication::startDragDistance()) {
+ // Moving a column separator?
+ if(dragStartMode == DragTsSep) mouseMode = DragTsSep;
+ else if(dragStartMode == DragTextSep) mouseMode = DragTextSep;
+ // Nope. Check if we are over a selection to start drag & drop.
+ else if(dragStartMode == Normal) {
+ bool dragdrop = false;
+ if(selectionMode == TextSelected) {
+ int l = yToLineIdx(y);
+ if(selectionLine == l) {
+ int p = lines[l]->posToCursor(QPointF(x, y - ycoords[l]));
+ if(p >= selectionStart && p <= selectionEnd) dragdrop = true;
+ }
+ } else if(selectionMode == LinesSelected) {
+ int l = yToLineIdx(y);
+ if(l >= selectionStart && l <= selectionEnd) dragdrop = true;
+ }
+ // Ok, so just start drag & drop if appropriate.
+ if(dragdrop) {
+ QDrag *drag = new QDrag(this);
+ QMimeData *mimeData = new QMimeData;
+ mimeData->setText(selectionToString());
+ drag->setMimeData(mimeData);
+ drag->start();
+ mouseMode = Normal;
+ // Otherwise, clear the selection and start text marking!
+ } else {
+ setCursor(Qt::ArrowCursor);
+ clearSelection();
+ if(dragStartCursor < 0) { mouseMode = MarkLines; curLine = -1; }
+ else mouseMode = MarkText;
+ }
+ }
+ }
+ break;
+ case DragTsSep:
+ break;
+ case DragTextSep:
+ break;
+ }
+ // Pass 2: Some mouse modes need work after being set...
+ if(mouseMode == DragTsSep && x < size().width() - Style::sepSenderText() - senderWidth - 10) {
+ // Drag first column separator
+ int foo = Style::sepTsSender()/2;
+ tsWidth = qMax(x, foo) - foo;
+ computePositions();
+ layout();
+ } else if(mouseMode == DragTextSep && x < size().width() - 10) {
+ // Drag second column separator
+ int foo = tsWidth + Style::sepTsSender() + Style::sepSenderText()/2;
+ senderWidth = qMax(x, foo) - foo;
+ computePositions();
+ layout();
+ } else if(mouseMode == MarkText) {
+ // Change currently marked text
+ curLine = yToLineIdx(y);
+ int c = lines[curLine]->posToCursor(QPointF(x, y - ycoords[curLine]));
+ if(curLine == dragStartLine && c >= 0) {
+ if(c != curCursor) {
+ curCursor = c;
+ lines[curLine]->setSelection(ChatLine::Partial, dragStartCursor, c);
+ viewport()->update();
+ }
+ } else {
+ mouseMode = MarkLines;
+ selectionStart = qMin(curLine, dragStartLine); selectionEnd = qMax(curLine, dragStartLine);
+ for(int i = selectionStart; i <= selectionEnd; i++) lines[i]->setSelection(ChatLine::Full);
+ viewport()->update();
+ }
+ } else if(mouseMode == MarkLines) {
+ // Line marking
+ int l = yToLineIdx(y);
+ if(l != curLine) {
+ selectionStart = qMin(l, dragStartLine); selectionEnd = qMax(l, dragStartLine);
+ if(curLine < 0) {
+ Q_ASSERT(selectionStart == selectionEnd);
+ lines[l]->setSelection(ChatLine::Full);
+ } else {
+ if(curLine < selectionStart) {
+ for(int i = curLine; i < selectionStart; i++) lines[i]->setSelection(ChatLine::None);
+ } else if(curLine > selectionEnd) {
+ for(int i = selectionEnd+1; i <= curLine; i++) lines[i]->setSelection(ChatLine::None);
+ } else if(selectionStart < curLine && l < curLine) {
+ for(int i = selectionStart; i < curLine; i++) lines[i]->setSelection(ChatLine::Full);
+ } else if(curLine < selectionEnd && l > curLine) {
+ for(int i = curLine+1; i <= selectionEnd; i++) lines[i]->setSelection(ChatLine::Full);
+ }
+ }
+ curLine = l;
+ //ensureVisible(l);
+ viewport()->update();
+ }
+ }
+}
+
+//!\brief Clear current text selection.
+void ChatWidget::clearSelection() {
+ if(selectionMode == TextSelected) {
+ lines[selectionLine]->setSelection(ChatLine::None);
+ } else if(selectionMode == LinesSelected) {
+ for(int i = selectionStart; i <= selectionEnd; i++) {
+ lines[i]->setSelection(ChatLine::None);
+ }
+ }
+ selectionMode = NoSelection;
+ viewport()->update();
+}
+
+//!\brief Convert current selection to human-readable string.
+QString ChatWidget::selectionToString() {
+ //TODO Make selection format configurable!
+ if(selectionMode == NoSelection) return "";
+ if(selectionMode == LinesSelected) {
+ QString result;
+ for(int l = selectionStart; l <= selectionEnd; l++) {
+ result += QString("[%1] %2 %3\n").arg(lines[l]->timeStamp().toLocalTime().toString("hh:mm:ss"))
+ .arg(lines[l]->sender()).arg(lines[l]->text());
+ }
+ return result;
+ }
+ // selectionMode == TextSelected
+ return lines[selectionLine]->text().mid(selectionStart, selectionEnd - selectionStart);
+}
+
+/************************************************************************************/
+
+//!\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) : QObject() {
+ 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() {
+ return msg.buffer.uid();
+}
+
+BufferId ChatLine::bufferId() {
+ return msg.buffer;
+}
+
+QDateTime ChatLine::timeStamp() {
+ return msg.timeStamp;
+}
+
+QString ChatLine::sender() {
+ return senderFormatted.text;
+}
+
+QString ChatLine::text() {
+ return textFormatted.text;
+}
+
+bool ChatLine::isUrl(int c) {
+ if(c < 0 || c >= charUrlIdx.count()) return false;;
+ return charUrlIdx[c] >= 0;
+}
+
+QUrl ChatLine::getUrl(int c) {
+ 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());
+ }
+}
+
+/******************************************************************************************************************/
+
projects / quassel.git / blobdiff