/***************************************************************************
- * Copyright (C) 2005-08 by the Quassel Project *
+ * Copyright (C) 2005-09 by the Quassel Project *
* devel@quassel-irc.org *
* *
* This program is free software; you can redistribute it and/or modify *
#include <QPainter>
#include <QPalette>
#include <QTextLayout>
+#include <QMenu>
+#include "buffermodel.h"
+#include "bufferview.h"
#include "chatitem.h"
#include "chatlinemodel.h"
+#include "contextmenuactionprovider.h"
+#include "iconloader.h"
+#include "mainwin.h"
#include "qtui.h"
+#include "qtuistyle.h"
-ChatItem::ChatItem(int col, QAbstractItemModel *model, QGraphicsItem *parent)
+ChatItem::ChatItem(const qreal &width, const qreal &height, const QPointF &pos, QGraphicsItem *parent)
: QGraphicsItem(parent),
- _fontMetrics(0),
- _col(col),
- _lines(0),
- _layoutData(0),
+ _boundingRect(0, 0, width, height),
_selectionMode(NoSelection),
_selectionStart(-1)
{
- Q_ASSERT(model);
- QModelIndex index = model->index(row(), col);
- _fontMetrics = QtUi::style()->fontMetrics(model->data(index, ChatLineModel::FormatRole).value<UiStyle::FormatList>().at(0).second);
setAcceptHoverEvents(true);
setZValue(20);
-}
-
-ChatItem::~ChatItem() {
- delete _layoutData;
+ setPos(pos);
}
QVariant ChatItem::data(int role) const {
return model()->data(index, role);
}
-qreal ChatItem::setGeometry(qreal w, qreal h) {
- if(w == _boundingRect.width()) return _boundingRect.height();
- prepareGeometryChange();
- _boundingRect.setWidth(w);
- if(h < 0) h = computeHeight();
- _boundingRect.setHeight(h);
- if(haveLayout()) updateLayout();
- return h;
-}
-
-qreal ChatItem::computeHeight() {
- if(data(ChatLineModel::ColumnTypeRole).toUInt() != ChatLineModel::ContentsColumn)
- return fontMetrics()->lineSpacing(); // only contents can be multi-line
+qint16 ChatItem::posToCursor(const QPointF &pos) const {
+ if(pos.y() > height()) return data(MessageModel::DisplayRole).toString().length();
+ if(pos.y() < 0) return 0;
- _lines = 1;
- WrapColumnFinder finder(this);
- while(finder.nextWrapColumn() > 0) _lines++;
- return _lines * fontMetrics()->lineSpacing();
+ QTextLayout layout;
+ initLayout(&layout);
+ for(int l = layout.lineCount() - 1; l >= 0; l--) {
+ QTextLine line = layout.lineAt(l);
+ if(pos.y() >= line.y()) {
+ return line.xToCursor(pos.x(), QTextLine::CursorOnCharacter);
+ }
+ }
+ return 0;
}
-QTextLayout *ChatItem::createLayout(QTextOption::WrapMode wrapMode, Qt::Alignment alignment) {
- QTextLayout *layout = new QTextLayout(data(MessageModel::DisplayRole).toString());
+void ChatItem::initLayoutHelper(QTextLayout *layout, QTextOption::WrapMode wrapMode, Qt::Alignment alignment) const {
+ Q_ASSERT(layout);
+
+ layout->setText(data(MessageModel::DisplayRole).toString());
QTextOption option;
option.setWrapMode(wrapMode);
layout->setTextOption(option);
QList<QTextLayout::FormatRange> formatRanges
- = QtUi::style()->toTextLayoutList(data(MessageModel::FormatRole).value<UiStyle::FormatList>(), layout->text().length());
+ = QtUi::style()->toTextLayoutList(formatList(), layout->text().length(), data(ChatLineModel::MsgLabelRole).toUInt());
layout->setAdditionalFormats(formatRanges);
- return layout;
-}
-
-void ChatItem::setLayout(QTextLayout *layout) {
- if(!_layoutData)
- _layoutData = new LayoutData;
- _layoutData->layout = layout;
-}
-
-void ChatItem::updateLayout() {
- switch(data(ChatLineModel::ColumnTypeRole).toUInt()) {
- case ChatLineModel::TimestampColumn:
- if(!haveLayout()) setLayout(createLayout(QTextOption::WrapAnywhere, Qt::AlignLeft));
- // fallthrough
- case ChatLineModel::SenderColumn:
- if(!haveLayout()) setLayout(createLayout(QTextOption::WrapAnywhere, Qt::AlignRight));
- layout()->beginLayout();
- {
- QTextLine line = layout()->createLine();
- if(line.isValid()) {
- line.setLineWidth(width());
- line.setPosition(QPointF(0,0));
- }
- layout()->endLayout();
- }
- break;
- case ChatLineModel::ContentsColumn: {
- if(!haveLayout()) setLayout(createLayout(QTextOption::WrapAnywhere));
-
- // Now layout
- ChatLineModel::WrapList wrapList = data(ChatLineModel::WrapListRole).value<ChatLineModel::WrapList>();
- if(!wrapList.count()) return; // empty chatitem
-
- qreal h = 0;
- WrapColumnFinder finder(this);
- layout()->beginLayout();
- forever {
- QTextLine line = layout()->createLine();
- if(!line.isValid())
- break;
-
- int col = finder.nextWrapColumn();
- line.setNumColumns(col >= 0 ? col - line.textStart() : layout()->text().length());
- line.setPosition(QPointF(0, h));
- h += line.height() + fontMetrics()->leading();
- }
- layout()->endLayout();
- }
- break;
+}
+
+UiStyle::FormatList ChatItem::formatList() const {
+ return data(MessageModel::FormatRole).value<UiStyle::FormatList>();
+}
+
+void ChatItem::doLayout(QTextLayout *layout) const {
+ layout->beginLayout();
+ QTextLine line = layout->createLine();
+ if(line.isValid()) {
+ line.setLineWidth(width());
+ line.setPosition(QPointF(0,0));
}
+ layout->endLayout();
}
-void ChatItem::clearLayoutData() {
- delete _layoutData;
- _layoutData = 0;
+void ChatItem::paintBackground(QPainter *painter) {
+ painter->setClipRect(boundingRect()); // no idea why QGraphicsItem clipping won't work
+
+ QVariant bgBrush;
+ if(_selectionMode == FullSelection)
+ bgBrush = data(ChatLineModel::SelectedBackgroundRole);
+ else
+ bgBrush = data(ChatLineModel::BackgroundRole);
+ if(bgBrush.isValid())
+ painter->fillRect(boundingRect(), bgBrush.value<QBrush>());
}
// NOTE: This is not the most time-efficient implementation, but it saves space by not caching unnecessary data
// This is a deliberate trade-off. (-> selectFmt creation, data() call)
void ChatItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) {
Q_UNUSED(option); Q_UNUSED(widget);
- if(!haveLayout()) updateLayout();
- painter->setClipRect(boundingRect()); // no idea why QGraphicsItem clipping won't work
- //if(_selectionMode == FullSelection) {
- //painter->save();
- //painter->fillRect(boundingRect(), QApplication::palette().brush(QPalette::Highlight));
- //painter->restore();
- //}
- QVector<QTextLayout::FormatRange> formats;
- if(_selectionMode != NoSelection) {
- QTextLayout::FormatRange selectFmt;
- selectFmt.format.setForeground(QApplication::palette().brush(QPalette::HighlightedText));
- selectFmt.format.setBackground(QApplication::palette().brush(QPalette::Highlight));
- if(_selectionMode == PartialSelection) {
- selectFmt.start = qMin(_selectionStart, _selectionEnd);
- selectFmt.length = qAbs(_selectionStart - _selectionEnd);
- } else { // FullSelection
- selectFmt.start = 0;
- selectFmt.length = data(MessageModel::DisplayRole).toString().length();
+ paintBackground(painter);
+
+ QTextLayout layout;
+ initLayout(&layout);
+ layout.draw(painter, QPointF(0,0), additionalFormats(), boundingRect());
+
+ // layout()->draw(painter, QPointF(0,0), formats, boundingRect());
+
+ // Debuging Stuff
+ // uncomment partially or all of the following stuff:
+ //
+ // 0) alternativ painter color for debug stuff
+// if(row() % 2)
+// painter->setPen(Qt::red);
+// else
+// painter->setPen(Qt::blue);
+ // 1) draw wordwrap points in the first line
+// if(column() == 2) {
+// ChatLineModel::WrapList wrapList = data(ChatLineModel::WrapListRole).value<ChatLineModel::WrapList>();
+// foreach(ChatLineModel::Word word, wrapList) {
+// if(word.endX > width())
+// break;
+// painter->drawLine(word.endX, 0, word.endX, height());
+// }
+// }
+ // 2) draw MsgId over the time column
+// if(column() == 0) {
+// QString msgIdString = QString::number(data(MessageModel::MsgIdRole).value<MsgId>().toInt());
+// QPointF bottomPoint = boundingRect().bottomLeft();
+// bottomPoint.ry() -= 2;
+// painter->drawText(bottomPoint, msgIdString);
+// }
+ // 3) draw bounding rect
+// painter->drawRect(_boundingRect.adjusted(0, 0, -1, -1));
+}
+
+void ChatItem::overlayFormat(UiStyle::FormatList &fmtList, int start, int end, quint32 overlayFmt) const {
+ for(int i = 0; i < fmtList.count(); i++) {
+ int fmtStart = fmtList.at(i).first;
+ int fmtEnd = (i < fmtList.count()-1 ? fmtList.at(i+1).first : data(MessageModel::DisplayRole).toString().length());
+
+ if(fmtEnd <= start)
+ continue;
+ if(fmtStart >= end)
+ break;
+
+ // split the format if necessary
+ if(fmtStart < start) {
+ fmtList.insert(i, fmtList.at(i));
+ fmtList[++i].first = start;
}
- formats.append(selectFmt);
+ if(end < fmtEnd) {
+ fmtList.insert(i, fmtList.at(i));
+ fmtList[i+1].first = end;
+ }
+
+ fmtList[i].second |= overlayFmt;
}
- layout()->draw(painter, QPointF(0,0), formats, boundingRect());
}
-qint16 ChatItem::posToCursor(const QPointF &pos) {
- if(pos.y() > height()) return data(MessageModel::DisplayRole).toString().length();
- if(pos.y() < 0) return 0;
- if(!haveLayout()) updateLayout();
- for(int l = layout()->lineCount() - 1; l >= 0; l--) {
- QTextLine line = layout()->lineAt(l);
- if(pos.y() >= line.y()) {
- return line.xToCursor(pos.x(), QTextLine::CursorOnCharacter);
- }
+QVector<QTextLayout::FormatRange> ChatItem::additionalFormats() const {
+ return selectionFormats();
+}
+
+QVector<QTextLayout::FormatRange> ChatItem::selectionFormats() const {
+ if(!hasSelection())
+ return QVector<QTextLayout::FormatRange>();
+
+ int start, end;
+ if(_selectionMode == FullSelection) {
+ start = 0;
+ end = data(MessageModel::DisplayRole).toString().length();
+ } else {
+ start = qMin(_selectionStart, _selectionEnd);
+ end = qMax(_selectionStart, _selectionEnd);
}
- return 0;
+
+ UiStyle::FormatList fmtList = formatList();
+
+ while(fmtList.count() > 1 && fmtList.at(1).first <= start)
+ fmtList.removeFirst();
+
+ fmtList.first().first = start;
+
+ while(fmtList.count() > 1 && fmtList.last().first >= end)
+ fmtList.removeLast();
+
+ return QtUi::style()->toTextLayoutList(fmtList, end, UiStyle::Selected|data(ChatLineModel::MsgLabelRole).toUInt()).toVector();
+}
+
+bool ChatItem::hasSelection() const {
+ if(_selectionMode == NoSelection)
+ return false;
+ if(_selectionMode == FullSelection)
+ return true;
+ // partial
+ return _selectionStart != _selectionEnd;
+}
+
+QString ChatItem::selection() const {
+ if(_selectionMode == FullSelection)
+ return data(MessageModel::DisplayRole).toString();
+ if(_selectionMode == PartialSelection)
+ return data(MessageModel::DisplayRole).toString().mid(qMin(_selectionStart, _selectionEnd), qAbs(_selectionStart - _selectionEnd));
+ return QString();
+}
+
+void ChatItem::setSelection(SelectionMode mode, qint16 start, qint16 end) {
+ _selectionMode = mode;
+ _selectionStart = start;
+ _selectionEnd = end;
+ update();
}
void ChatItem::setFullSelection() {
update();
}
+bool ChatItem::isPosOverSelection(const QPointF &pos) const {
+ if(_selectionMode == FullSelection)
+ return true;
+ if(_selectionMode == PartialSelection) {
+ int cursor = posToCursor(pos);
+ return cursor >= qMin(_selectionStart, _selectionEnd) && cursor <= qMax(_selectionStart, _selectionEnd);
+ }
+ return false;
+}
+
QList<QRectF> ChatItem::findWords(const QString &searchWord, Qt::CaseSensitivity caseSensitive) {
QList<QRectF> resultList;
const QAbstractItemModel *model_ = model();
searchIdx = plainText.indexOf(searchWord, searchIdx + 1, caseSensitive);
}
- if(!haveLayout())
- updateLayout();
-
- Q_ASSERT(_layout);
+ QTextLayout layout;
+ initLayout(&layout);
foreach(int idx, indexList) {
- QTextLine line = _layout->lineForTextPosition(idx);
+ QTextLine line = layout.lineForTextPosition(idx);
qreal x = line.cursorToX(idx);
qreal width = line.cursorToX(idx + searchWord.count()) - x;
- qreal height = fontMetrics()->lineSpacing();
+ qreal height = line.height();
qreal y = height * line.lineNumber();
resultList << QRectF(x, y, width, height);
}
+
return resultList;
}
-
-void ChatItem::mousePressEvent(QGraphicsSceneMouseEvent *event) {
- if(event->buttons() == Qt::LeftButton) {
- if(_selectionMode == NoSelection) {
- chatScene()->setSelectingItem(this); // removes earlier selection if exists
- _selectionStart = _selectionEnd = posToCursor(event->pos());
- //_selectionMode = PartialSelection;
- } else {
- chatScene()->setSelectingItem(0);
- _selectionMode = NoSelection;
- update();
- }
- event->accept();
- } else {
- event->ignore();
+void ChatItem::handleClick(const QPointF &pos, ChatScene::ClickMode clickMode) {
+ // single clicks are already handled by the scene (for clearing the selection)
+ if(clickMode == ChatScene::DragStartClick) {
+ chatScene()->setSelectingItem(this);
+ _selectionStart = _selectionEnd = posToCursor(pos);
+ _selectionMode = NoSelection; // will be set to PartialSelection by mouseMoveEvent
+ update();
}
}
qint16 end = posToCursor(event->pos());
if(end != _selectionEnd) {
_selectionEnd = end;
- if(_selectionStart != _selectionEnd) _selectionMode = PartialSelection;
- else _selectionMode = NoSelection;
+ _selectionMode = (_selectionStart != _selectionEnd ? PartialSelection : NoSelection);
update();
}
} else {
}
}
+void ChatItem::mousePressEvent(QGraphicsSceneMouseEvent *event) {
+ if(event->buttons() == Qt::LeftButton)
+ event->accept();
+ else
+ event->ignore();
+}
+
void ChatItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) {
- if(_selectionMode != NoSelection && !event->buttons() & Qt::LeftButton) {
- _selectionEnd = posToCursor(event->pos());
- QString selection
- = data(MessageModel::DisplayRole).toString().mid(qMin(_selectionStart, _selectionEnd), qAbs(_selectionStart - _selectionEnd));
- chatScene()->putToClipboard(selection);
+ if(_selectionMode != NoSelection && event->button() == Qt::LeftButton) {
+ chatScene()->selectionToClipboard(QClipboard::Selection);
event->accept();
- } else {
+ } else
event->ignore();
+}
+
+void ChatItem::addActionsToMenu(QMenu *menu, const QPointF &pos) {
+ Q_UNUSED(pos);
+
+ GraphicalUi::contextMenuActionProvider()->addActions(menu, chatScene()->filter(), data(MessageModel::BufferIdRole).value<BufferId>());
+}
+
+// ************************************************************
+// SenderChatItem
+// ************************************************************
+
+void SenderChatItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) {
+ Q_UNUSED(option); Q_UNUSED(widget);
+ paintBackground(painter);
+
+ QTextLayout layout;
+ initLayout(&layout);
+ qreal layoutWidth = layout.minimumWidth();
+ qreal offset = 0;
+ if(chatScene()->senderCutoffMode() == ChatScene::CutoffLeft)
+ offset = qMin(width() - layoutWidth, (qreal)0);
+ else
+ offset = qMax(layoutWidth - width(), (qreal)0);
+
+ if(layoutWidth > width()) {
+ // Draw a nice gradient for longer items
+ // Qt's text drawing with a gradient brush sucks, so we use an alpha-channeled pixmap instead
+ QPixmap pixmap(layout.boundingRect().toRect().size());
+ pixmap.fill(Qt::transparent);
+ QPainter pixPainter(&pixmap);
+ layout.draw(&pixPainter, QPointF(qMax(offset, (qreal)0), 0), additionalFormats());
+ pixPainter.end();
+
+ // Create alpha channel mask
+ QPixmap mask(pixmap.size());
+ QPainter maskPainter(&mask);
+ QLinearGradient gradient;
+ if(offset < 0) {
+ gradient.setStart(0, 0);
+ gradient.setFinalStop(12, 0);
+ gradient.setColorAt(0, Qt::black);
+ gradient.setColorAt(1, Qt::white);
+ } else {
+ gradient.setStart(width()-10, 0);
+ gradient.setFinalStop(width(), 0);
+ gradient.setColorAt(0, Qt::white);
+ gradient.setColorAt(1, Qt::black);
+ }
+ maskPainter.fillRect(boundingRect(), gradient);
+ pixmap.setAlphaChannel(mask);
+ painter->drawPixmap(0, 0, pixmap);
+ } else {
+ layout.draw(painter, QPointF(0,0), additionalFormats(), boundingRect());
+ }
+}
+
+// ************************************************************
+// ContentsChatItem
+// ************************************************************
+
+ContentsChatItem::ActionProxy ContentsChatItem::_actionProxy;
+
+ContentsChatItem::ContentsChatItem(const qreal &width, const QPointF &pos, QGraphicsItem *parent)
+ : ChatItem(0, 0, pos, parent),
+ _data(0)
+{
+ setGeometryByWidth(width);
+}
+
+QFontMetricsF *ContentsChatItem::fontMetrics() const {
+ return QtUi::style()->fontMetrics(data(ChatLineModel::FormatRole).value<UiStyle::FormatList>().at(0).second, 0);
+}
+
+ContentsChatItem::~ContentsChatItem() {
+ delete _data;
+}
+
+ContentsChatItemPrivate *ContentsChatItem::privateData() const {
+ if(!_data) {
+ ContentsChatItem *that = const_cast<ContentsChatItem *>(this);
+ that->_data = new ContentsChatItemPrivate(ClickableList::fromString(data(ChatLineModel::DisplayRole).toString()), that);
}
+ return _data;
}
-void ChatItem::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event) {
- // FIXME dirty and fast hack to make http:// urls klickable
+qreal ContentsChatItem::setGeometryByWidth(qreal w) {
+ // We use this for reloading layout info as well, so we can't bail out if the width doesn't change
- QRegExp regex("\\b([hf]t{1,2}ps?://[^\\s]+)\\b");
- QString str = data(ChatLineModel::DisplayRole).toString();
- int idx = posToCursor(event->pos());
- int mi = 0;
- do {
- mi = regex.indexIn(str, mi);
- if(mi < 0) break;
- if(idx >= mi && idx < mi + regex.matchedLength()) {
- QDesktopServices::openUrl(QUrl(regex.capturedTexts()[1]));
+ // compute height
+ int lines = 1;
+ WrapColumnFinder finder(this);
+ while(finder.nextWrapColumn(w) > 0)
+ lines++;
+ qreal spacing = qMax(fontMetrics()->lineSpacing(), fontMetrics()->height()); // cope with negative leading()
+ qreal h = lines * spacing;
+ delete _data;
+ _data = 0;
+
+ if(w != width() || h != height()) {
+ prepareGeometryChange();
+ setGeometry(w, h);
+ }
+ return h;
+}
+
+void ContentsChatItem::doLayout(QTextLayout *layout) const {
+ // QString t = data(Qt::DisplayRole).toString(); bool d = t.contains("protien");
+ ChatLineModel::WrapList wrapList = data(ChatLineModel::WrapListRole).value<ChatLineModel::WrapList>();
+ if(!wrapList.count()) return; // empty chatitem
+
+ qreal h = 0;
+ qreal spacing = qMax(fontMetrics()->lineSpacing(), fontMetrics()->height()); // cope with negative leading()
+ WrapColumnFinder finder(this);
+ layout->beginLayout();
+ forever {
+ QTextLine line = layout->createLine();
+ if(!line.isValid())
break;
+
+ int col = finder.nextWrapColumn(width());
+ if(col < 0)
+ col = layout->text().length();
+ int num = col - line.textStart();
+
+ line.setNumColumns(num);
+
+ // Sometimes, setNumColumns will create a line that's too long (cf. Qt bug 238249)
+ // We verify this and try setting the width again, making it shorter each time until the lengths match.
+ // Dead fugly, but seems to work…
+ for(int i = line.textLength()-1; i >= 0 && line.textLength() > num; i--) {
+ line.setNumColumns(i);
+ }
+ if(num != line.textLength()) {
+ qWarning() << "WARNING: Layout engine couldn't workaround Qt bug 238249, please report!";
+ // qDebug() << num << line.textLength() << t.mid(line.textStart(), line.textLength()) << t.mid(line.textStart() + line.textLength());
+ }
+
+ line.setPosition(QPointF(0, h));
+ h += spacing;
+ }
+ layout->endLayout();
+}
+
+Clickable ContentsChatItem::clickableAt(const QPointF &pos) const {
+ return privateData()->clickables.atCursorPos(posToCursor(pos));
+}
+
+UiStyle::FormatList ContentsChatItem::formatList() const {
+ UiStyle::FormatList fmtList = ChatItem::formatList();
+ for(int i = 0; i < privateData()->clickables.count(); i++) {
+ Clickable click = privateData()->clickables.at(i);
+ if(click.type() == Clickable::Url) {
+ overlayFormat(fmtList, click.start(), click.start() + click.length(), UiStyle::Url);
+ }
+ }
+ return fmtList;
+}
+
+QVector<QTextLayout::FormatRange> ContentsChatItem::additionalFormats() const {
+ QVector<QTextLayout::FormatRange> fmt = ChatItem::additionalFormats();
+ // mark a clickable if hovered upon
+ if(privateData()->currentClickable.isValid()) {
+ Clickable click = privateData()->currentClickable;
+ QTextLayout::FormatRange f;
+ f.start = click.start();
+ f.length = click.length();
+ f.format.setFontUnderline(true);
+ fmt.append(f);
+ }
+ return fmt;
+}
+
+void ContentsChatItem::endHoverMode() {
+ if(privateData()) {
+ if(privateData()->currentClickable.isValid()) {
+ setCursor(Qt::ArrowCursor);
+ privateData()->currentClickable = Clickable();
+ }
+ clearWebPreview();
+ update();
+ }
+}
+
+void ContentsChatItem::handleClick(const QPointF &pos, ChatScene::ClickMode clickMode) {
+ if(clickMode == ChatScene::SingleClick) {
+ qint16 idx = posToCursor(pos);
+ Clickable foo = privateData()->clickables.atCursorPos(idx);
+ if(foo.isValid()) {
+ NetworkId networkId = Client::networkModel()->networkId(data(MessageModel::BufferIdRole).value<BufferId>());
+ QString text = data(ChatLineModel::DisplayRole).toString();
+ foo.activate(networkId, text);
}
- mi += regex.matchedLength();
- } while(mi >= 0);
+ } else if(clickMode == ChatScene::DoubleClick) {
+ chatScene()->setSelectingItem(this);
+ setSelectionMode(PartialSelection);
+ Clickable click = clickableAt(pos);
+ if(click.isValid()) {
+ setSelectionStart(click.start());
+ setSelectionEnd(click.start() + click.length());
+ } else {
+ // find word boundary
+ QString str = data(ChatLineModel::DisplayRole).toString();
+ qint16 cursor = posToCursor(pos);
+ qint16 start = str.lastIndexOf(QRegExp("\\W"), cursor) + 1;
+ qint16 end = qMin(str.indexOf(QRegExp("\\W"), cursor), str.length());
+ if(end < 0) end = str.length();
+ setSelectionStart(start);
+ setSelectionEnd(end);
+ }
+ update();
+ } else if(clickMode == ChatScene::TripleClick) {
+ setSelection(PartialSelection, 0, data(ChatLineModel::DisplayRole).toString().length());
+ }
+ ChatItem::handleClick(pos, clickMode);
+}
+
+void ContentsChatItem::mouseMoveEvent(QGraphicsSceneMouseEvent *event) {
+ // mouse move events always mean we're not hovering anymore...
+ endHoverMode();
+ ChatItem::mouseMoveEvent(event);
+}
+
+void ContentsChatItem::hoverLeaveEvent(QGraphicsSceneHoverEvent *event) {
+ endHoverMode();
event->accept();
}
-void ChatItem::hoverEnterEvent(QGraphicsSceneHoverEvent *event) {
- //qDebug() << (void*)this << "entering";
- event->ignore();
+void ContentsChatItem::hoverMoveEvent(QGraphicsSceneHoverEvent *event) {
+ bool onClickable = false;
+ Clickable click = clickableAt(event->pos());
+ if(click.isValid()) {
+ if(click.type() == Clickable::Url) {
+ onClickable = true;
+ showWebPreview(click);
+ } else if(click.type() == Clickable::Channel) {
+ QString name = data(ChatLineModel::DisplayRole).toString().mid(click.start(), click.length());
+ // don't make clickable if it's our own name
+ BufferId myId = data(MessageModel::BufferIdRole).value<BufferId>();
+ if(Client::networkModel()->bufferName(myId) != name)
+ onClickable = true;
+ }
+ if(onClickable) {
+ setCursor(Qt::PointingHandCursor);
+ privateData()->currentClickable = click;
+ update();
+ return;
+ }
+ }
+ if(!onClickable) endHoverMode();
+ event->accept();
+}
+
+void ContentsChatItem::addActionsToMenu(QMenu *menu, const QPointF &pos) {
+ if(privateData()->currentClickable.isValid()) {
+ Clickable click = privateData()->currentClickable;
+ switch(click.type()) {
+ case Clickable::Url:
+ privateData()->activeClickable = click;
+ menu->addAction(SmallIcon("edit-copy"), tr("Copy Link Address"),
+ &_actionProxy, SLOT(copyLinkToClipboard()))->setData(QVariant::fromValue<void *>(this));
+ break;
+ case Clickable::Channel: {
+ // Hide existing menu actions, they confuse us when right-clicking on a clickable
+ foreach(QAction *action, menu->actions())
+ action->setVisible(false);
+ QString name = data(ChatLineModel::DisplayRole).toString().mid(click.start(), click.length());
+ GraphicalUi::contextMenuActionProvider()->addActions(menu, chatScene()->filter(), data(MessageModel::BufferIdRole).value<BufferId>(), name);
+ break;
+ }
+ default:
+ break;
+ }
+ } else {
+ // Buffer-specific actions
+ ChatItem::addActionsToMenu(menu, pos);
+ }
}
-void ChatItem::hoverLeaveEvent(QGraphicsSceneHoverEvent *event) {
- //qDebug() << (void*)this << "leaving";
- event->ignore();
+void ContentsChatItem::copyLinkToClipboard() {
+ Clickable click = privateData()->activeClickable;
+ if(click.isValid() && click.type() == Clickable::Url) {
+ QString url = data(ChatLineModel::DisplayRole).toString().mid(click.start(), click.length());
+ if(!url.contains("://"))
+ url = "http://" + url;
+ chatScene()->stringToClipboard(url);
+ }
}
-void ChatItem::hoverMoveEvent(QGraphicsSceneHoverEvent *event) {
- //qDebug() << (void*)this << event->pos();
- event->ignore();
+/******** WEB PREVIEW *****************************************************************************/
+
+void ContentsChatItem::showWebPreview(const Clickable &click) {
+#ifndef HAVE_WEBKIT
+ Q_UNUSED(click);
+#else
+ QTextLayout layout;
+ initLayout(&layout);
+ QTextLine line = layout.lineForTextPosition(click.start());
+ qreal x = line.cursorToX(click.start());
+ qreal width = line.cursorToX(click.start() + click.length()) - x;
+ qreal height = line.height();
+ qreal y = height * line.lineNumber();
+
+ QPointF topLeft = scenePos() + QPointF(x, y);
+ QRectF urlRect = QRectF(topLeft.x(), topLeft.y(), width, height);
+
+ QString urlstr = data(ChatLineModel::DisplayRole).toString().mid(click.start(), click.length());
+ if(!urlstr.contains("://"))
+ urlstr= "http://" + urlstr;
+ QUrl url = QUrl::fromEncoded(urlstr.toUtf8(), QUrl::TolerantMode);
+ chatScene()->loadWebPreview(this, url, urlRect);
+#endif
}
+void ContentsChatItem::clearWebPreview() {
+#ifdef HAVE_WEBKIT
+ chatScene()->clearWebPreview(this);
+#endif
+}
/*************************************************************************************************/
-ChatItem::WrapColumnFinder::WrapColumnFinder(ChatItem *_item) : item(_item) {
- wrapList = item->data(ChatLineModel::WrapListRole).value<ChatLineModel::WrapList>();
- wordidx = 0;
- layout = 0;
- lastwrapcol = 0;
- lastwrappos = 0;
- w = 0;
-}
-
-ChatItem::WrapColumnFinder::~WrapColumnFinder() {
- delete layout;
-}
-
-qint16 ChatItem::WrapColumnFinder::nextWrapColumn() {
- while(wordidx < wrapList.count()) {
- w += wrapList.at(wordidx).width;
- if(w >= item->width()) {
- if(lastwrapcol >= wrapList.at(wordidx).start) {
- // first word, and it doesn't fit
- if(!line.isValid()) {
- layout = item->createLayout(QTextOption::NoWrap);
- layout->beginLayout();
- line = layout->createLine();
- line.setLineWidth(item->width());
- layout->endLayout();
- }
- int idx = line.xToCursor(lastwrappos + item->width(), QTextLine::CursorOnCharacter);
- qreal x = line.cursorToX(idx, QTextLine::Trailing);
- w = w - wrapList.at(wordidx).width - (x - lastwrappos);
- lastwrappos = x;
- lastwrapcol = idx;
- return idx;
- }
- // not the first word, so just wrap before this
- lastwrapcol = wrapList.at(wordidx).start;
- lastwrappos = lastwrappos + w - wrapList.at(wordidx).width;
- w = 0;
- return lastwrapcol;
+ContentsChatItem::WrapColumnFinder::WrapColumnFinder(const ChatItem *_item)
+ : item(_item),
+ wrapList(item->data(ChatLineModel::WrapListRole).value<ChatLineModel::WrapList>()),
+ wordidx(0),
+ lineCount(0),
+ choppedTrailing(0)
+{
+}
+
+ContentsChatItem::WrapColumnFinder::~WrapColumnFinder() {
+}
+
+qint16 ContentsChatItem::WrapColumnFinder::nextWrapColumn(qreal width) {
+ if(wordidx >= wrapList.count())
+ return -1;
+
+ lineCount++;
+ qreal targetWidth = lineCount * width + choppedTrailing;
+
+ qint16 start = wordidx;
+ qint16 end = wrapList.count() - 1;
+
+ // check if the whole line fits
+ if(wrapList.at(end).endX <= targetWidth) // || start == end)
+ return -1;
+
+ // check if we have a very long word that needs inter word wrap
+ if(wrapList.at(start).endX > targetWidth) {
+ if(!line.isValid()) {
+ item->initLayoutHelper(&layout, QTextOption::NoWrap);
+ layout.beginLayout();
+ line = layout.createLine();
+ layout.endLayout();
}
- w += wrapList.at(wordidx).trailing;
- wordidx++;
+ return line.xToCursor(targetWidth, QTextLine::CursorOnCharacter);
}
+
+ while(true) {
+ if(start + 1 == end) {
+ wordidx = end;
+ const ChatLineModel::Word &lastWord = wrapList.at(start); // the last word we were able to squeeze in
+
+ // both cases should be cought preliminary
+ Q_ASSERT(lastWord.endX <= targetWidth); // ensure that "start" really fits in
+ Q_ASSERT(end < wrapList.count()); // ensure that start isn't the last word
+
+ choppedTrailing += lastWord.trailing - (targetWidth - lastWord.endX);
+ return wrapList.at(wordidx).start;
+ }
+
+ qint16 pivot = (end + start) / 2;
+ if(wrapList.at(pivot).endX > targetWidth) {
+ end = pivot;
+ } else {
+ start = pivot;
+ }
+ }
+ Q_ASSERT(false);
return -1;
}
+
+/*************************************************************************************************/
+
projects / quassel.git / blobdiff