#include <QPainter>
#include <QPalette>
#include <QTextLayout>
+#include <QMenu>
+
#include "chatitem.h"
#include "chatlinemodel.h"
return model()->data(index, role);
}
-QTextLayout *ChatItem::createLayout(QTextOption::WrapMode wrapMode, Qt::Alignment alignment) {
+QTextLayout *ChatItem::createLayout(QTextOption::WrapMode wrapMode, Qt::Alignment alignment) const {
QTextLayout *layout = new QTextLayout(data(MessageModel::DisplayRole).toString());
QTextOption option;
return layout;
}
-void ChatItem::updateLayout() {
- if(!privateData()) {
- setPrivateData(new ChatItemPrivate(createLayout()));
- }
+void ChatItem::doLayout() {
QTextLayout *layout_ = layout();
layout_->beginLayout();
QTextLine line = layout_->createLine();
_data = 0;
}
+ChatItemPrivate *ChatItem::privateData() const {
+ if(!_data) {
+ ChatItem *that = const_cast<ChatItem *>(this);
+ that->_data = that->newPrivateData();
+ that->doLayout();
+ }
+ return _data;
+}
+
// 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(!hasLayout())
- 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 = additionalFormats();
- 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();
- }
- formats.append(selectFmt);
- }
+ QTextLayout::FormatRange selectFmt = selectionFormat();
+ if(selectFmt.format.isValid()) formats.append(selectFmt);
layout()->draw(painter, QPointF(0,0), formats, boundingRect());
// Debuging Stuff
// painter->drawRect(_boundingRect.adjusted(0, 0, -1, -1));
}
-qint16 ChatItem::posToCursor(const QPointF &pos) {
+qint16 ChatItem::posToCursor(const QPointF &pos) const {
if(pos.y() > height()) return data(MessageModel::DisplayRole).toString().length();
if(pos.y() < 0) return 0;
- if(!hasLayout())
- updateLayout();
for(int l = layout()->lineCount() - 1; l >= 0; l--) {
QTextLine line = layout()->lineAt(l);
if(pos.y() >= line.y()) {
return 0;
}
+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() {
if(_selectionMode != FullSelection) {
_selectionMode = FullSelection;
}
void ChatItem::clearSelection() {
- _selectionMode = NoSelection;
- update();
+ if(_selectionMode != NoSelection) {
+ _selectionMode = NoSelection;
+ update();
+ }
}
void ChatItem::continueSelecting(const QPointF &pos) {
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;
+}
+
+QTextLayout::FormatRange ChatItem::selectionFormat() const {
+ QTextLayout::FormatRange selectFmt;
+ if(_selectionMode != NoSelection) {
+ 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();
+ }
+ } else {
+ selectFmt.start = -1;
+ selectFmt.length = 0;
+ }
+ return selectFmt;
+}
+
QList<QRectF> ChatItem::findWords(const QString &searchWord, Qt::CaseSensitivity caseSensitive) {
QList<QRectF> resultList;
const QAbstractItemModel *model_ = model();
searchIdx = plainText.indexOf(searchWord, searchIdx + 1, caseSensitive);
}
- bool hadLayout = hasLayout();
- if(!hadLayout)
- updateLayout();
+ bool hadPrivateData = hasPrivateData();
foreach(int idx, indexList) {
QTextLine line = layout()->lineForTextPosition(idx);
resultList << QRectF(x, y, width, height);
}
- if(!hadLayout)
+ if(!hadPrivateData)
clearLayout();
return resultList;
}
-void ChatItem::mousePressEvent(QGraphicsSceneMouseEvent *event) {
- if(event->buttons() == Qt::LeftButton) {
+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(event->pos());
+ _selectionStart = _selectionEnd = posToCursor(pos);
_selectionMode = NoSelection; // will be set to PartialSelection by mouseMoveEvent
update();
- event->accept();
- } else {
- event->ignore();
}
}
}
}
+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);
event->accept();
- } else {
+ } else
event->ignore();
- }
}
// ************************************************************
// SenderChatItem
// ************************************************************
+void SenderChatItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) {
+ Q_UNUSED(option); Q_UNUSED(widget);
+
+ painter->setClipRect(boundingRect()); // no idea why QGraphicsItem clipping won't work
+ 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);
+
+ QTextLayout::FormatRange selectFmt = selectionFormat();
+
+ 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), QVector<QTextLayout::FormatRange>() << selectFmt);
+ 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), QVector<QTextLayout::FormatRange>() << selectFmt, boundingRect());
+ }
+}
+
// ************************************************************
// ContentsChatItem
// ************************************************************
qreal ContentsChatItem::setGeometryByWidth(qreal w) {
if(w != width()) {
+ prepareGeometryChange();
setWidth(w);
// compute height
int lines = 1;
return height();
}
-void ContentsChatItem::updateLayout() {
- if(!privateData()) {
- ContentsChatItemPrivate *data = new ContentsChatItemPrivate(createLayout(QTextOption::WrapAnywhere), findClickables(), this);
- setPrivateData(data);
- }
-
- // Now layout
+void ContentsChatItem::doLayout() {
ChatLineModel::WrapList wrapList = data(ChatLineModel::WrapListRole).value<ChatLineModel::WrapList>();
if(!wrapList.count()) return; // empty chatitem
// NOTE: This method is not threadsafe and not reentrant!
// (RegExps are not constant while matching, and they are static here for efficiency)
-QList<ContentsChatItem::Clickable> ContentsChatItem::findClickables() {
+QList<ContentsChatItem::Clickable> ContentsChatItem::findClickables() const {
// For matching URLs
static QString urlEnd("(?:>|[,.;:\"]*\\s|\\b|$)");
- static QString urlChars("(?:[\\w\\-~@/?&=+$()!%#]|[,.;:]\\w)");
+ static QString urlChars("(?:[,.;:]*[\\w\\-~@/?&=+$()!%#*|{}\\[\\]])");
static QRegExp regExp[] = {
// URL
// QRegExp(QString("((?:https?://|s?ftp://|irc://|mailto:|www\\.)%1+|%1+\\.[a-z]{2,4}(?:?=/%1+|\\b))%2").arg(urlChars, urlEnd)),
- QRegExp(QString("((?:(?:https?://|s?ftp://|irc://|mailto:)|www)%1+)%2").arg(urlChars, urlEnd)),
+ QRegExp(QString("((?:(?:https?://|s?ftp://|irc://|mailto:)|www)%1+)%2").arg(urlChars, urlEnd), Qt::CaseInsensitive),
// Channel name
// We don't match for channel names starting with + or &, because that gives us a lot of false positives.
- QRegExp("((?:#|![A-Z0-9]{5})[^,:\\s]+(?::[^,:\\s]+)?)\\b")
+ QRegExp("((?:#|![A-Z0-9]{5})[^,:\\s]+(?::[^,:\\s]+)?)\\b", Qt::CaseInsensitive)
// TODO: Nicks, we'll need a filtering for only matching known nicknames further down if we do this
};
}
void ContentsChatItem::endHoverMode() {
- if(hasLayout()) {
+ if(hasPrivateData()) {
if(privateData()->currentClickable.isValid()) {
setCursor(Qt::ArrowCursor);
privateData()->currentClickable = Clickable();
}
}
-void ContentsChatItem::mousePressEvent(QGraphicsSceneMouseEvent *event) {
- privateData()->hasDragged = false;
- ChatItem::mousePressEvent(event);
-}
-
-void ContentsChatItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) {
- if(!event->buttons() && !privateData()->hasDragged) {
- // got a click
+void ContentsChatItem::handleClick(const QPointF &pos, ChatScene::ClickMode clickMode) {
+ if(clickMode == ChatScene::SingleClick) {
Clickable click = privateData()->currentClickable;
if(click.isValid()) {
QString str = data(ChatLineModel::DisplayRole).toString().mid(click.start, click.length);
switch(click.type) {
case Clickable::Url:
- if(!str.contains("://"))
- str = "http://" + str;
- QDesktopServices::openUrl(str);
+ if(!str.contains("://"))
+ str = "http://" + str;
+ QDesktopServices::openUrl(QUrl::fromEncoded(str.toAscii()));
break;
case Clickable::Channel:
// TODO join or whatever...
break;
}
}
+ } else if(clickMode == ChatScene::DoubleClick) {
+ chatScene()->setSelectingItem(this);
+ setSelectionMode(PartialSelection);
+ Clickable click = privateData()->currentClickable;
+ 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::mouseReleaseEvent(event);
+ ChatItem::handleClick(pos, clickMode);
}
void ContentsChatItem::mouseMoveEvent(QGraphicsSceneMouseEvent *event) {
// mouse move events always mean we're not hovering anymore...
endHoverMode();
- // also, check if we have dragged the mouse
- if(hasLayout() && !privateData()->hasDragged && event->buttons() & Qt::LeftButton
- && (event->buttonDownScreenPos(Qt::LeftButton) - event->screenPos()).manhattanLength() >= QApplication::startDragDistance())
- privateData()->hasDragged = true;
ChatItem::mouseMoveEvent(event);
}
if(idx >= click.start && idx < click.start + click.length) {
if(click.type == Clickable::Url) {
onClickable = true;
- showWebPreview(click);
+ showWebPreview(click);
} else if(click.type == Clickable::Channel) {
// TODO: don't make clickable if it's our own name
- //onClickable = true; //FIXME disabled for now
+ // onClickable = true; //FIXME disabled for now
}
if(onClickable) {
setCursor(Qt::PointingHandCursor);
event->accept();
}
-void ContentsChatItem::showWebPreview(const Clickable &click) {
-#ifdef HAVE_WEBKIT
- if(!hasLayout())
- updateLayout();
+void ContentsChatItem::contextMenuEvent(QGraphicsSceneContextMenuEvent *event) {
+ qint16 idx = posToCursor(event->pos());
+ for(int i = 0; i < privateData()->clickables.count(); i++) {
+ Clickable click = privateData()->clickables.at(i);
+ if(idx >= click.start && idx < click.start + click.length) {
+ if(click.type == Clickable::Url) {
+ QMenu menu;
+ QAction *copyToClipboard = menu.addAction(QObject::tr("Copy to Clipboard"));
+ QAction *selected = menu.exec(event->screenPos());
+ if(selected == copyToClipboard) {
+ QString url = data(ChatLineModel::DisplayRole).toString().mid(click.start, click.length);
+# ifdef Q_WS_X11
+ QApplication::clipboard()->setText(url, QClipboard::Selection);
+# endif
+//# else
+ QApplication::clipboard()->setText(url);
+//# endif
+ }
+ }
+ }
+ }
+}
+void ContentsChatItem::showWebPreview(const Clickable &click) {
+#ifndef HAVE_WEBKIT
+ Q_UNUSED(click);
+#else
QTextLine line = layout()->lineForTextPosition(click.start);
qreal x = line.cursorToX(click.start);
qreal width = line.cursorToX(click.start + click.length) - x;
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