#include <QPainter>
#include <QPalette>
#include <QTextLayout>
-#ifdef HAVE_WEBKIT
-#include <QWebView>
-#endif
-#include <QGraphicsProxyWidget>
#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
- // uncomment the following lines to draw the bounding rect and the row number in alternating colors
+ // 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);
-// QString rowString = QString::number(row());
-// QRect rowRect = painter->fontMetrics().boundingRect(rowString);
-// QPointF topPoint = _boundingRect.topLeft();
-// topPoint.ry() += rowRect.height();
-// painter->drawText(topPoint, rowString);
-// QPointF bottomPoint = _boundingRect.bottomRight();
-// bottomPoint.rx() -= rowRect.width();
-// painter->drawText(bottomPoint, rowString);
+ // 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));
}
qint16 ChatItem::posToCursor(const QPointF &pos) {
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()) {
update();
}
+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;
}
// 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(QSize(layout()->boundingRect().width(), layout()->boundingRect().height()));
+ pixmap.fill(QApplication::palette().brush(QPalette::Base).color());
+ 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() && privateData()->currentClickable.isValid()) {
- setCursor(Qt::ArrowCursor);
- privateData()->currentClickable = Clickable();
-#ifdef HAVE_WEBKIT
- privateData()->clearPreview();
-#endif
+ if(hasPrivateData()) {
+ if(privateData()->currentClickable.isValid()) {
+ setCursor(Qt::ArrowCursor);
+ privateData()->currentClickable = Clickable();
+ }
+ clearWebPreview();
update();
}
}
// 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
+ if(hasPrivateData() && !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;
-
- if(!hasLayout())
- updateLayout();
-
-#ifdef HAVE_WEBKIT
- 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();
- QRectF urlRect(x, y, width, height);
- QString url = data(ChatLineModel::DisplayRole).toString().mid(click.start, click.length);
- if(!url.contains("://"))
- url = "http://" + url;
- privateData()->loadWebPreview(url, urlRect);
-#endif
+ 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
event->accept();
}
-// ****************************************
-// ContentsChatItemPrivate
-// ****************************************
-ContentsChatItemPrivate::~ContentsChatItemPrivate() {
+void ContentsChatItem::showWebPreview(const Clickable &click) {
#ifdef HAVE_WEBKIT
- clearPreview();
+ 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 url = data(ChatLineModel::DisplayRole).toString().mid(click.start, click.length);
+ if(!url.contains("://"))
+ url = "http://" + url;
+ chatScene()->loadWebPreview(this, url, urlRect);
#endif
}
+void ContentsChatItem::clearWebPreview() {
#ifdef HAVE_WEBKIT
-void ContentsChatItemPrivate::loadWebPreview(const QString &url, const QRectF &urlRect) {
- if(!controller)
- controller = new PreviewController(contentsItem);
- controller->loadPage(url, urlRect);
-}
-
-void ContentsChatItemPrivate::clearPreview() {
- delete controller;
- controller = 0;
-}
-
-ContentsChatItemPrivate::PreviewController::~PreviewController() {
- if(previewItem) {
- contentsItem->scene()->removeItem(previewItem);
- delete previewItem;
- }
-}
-
-void ContentsChatItemPrivate::PreviewController::loadPage(const QString &newUrl, const QRectF &urlRect) {
- if(newUrl.isEmpty() || newUrl == url)
- return;
-
- url = newUrl;
- QWebView *view = new QWebView;
- connect(view, SIGNAL(loadFinished(bool)), this, SLOT(pageLoaded(bool)));
- view->load(url);
- previewItem = new ContentsChatItemPrivate::PreviewItem(view);
-
- QPointF sPos = contentsItem->scenePos();
- qreal previewY = sPos.y() + urlRect.y() + urlRect.height(); // bottom of url;
- qreal previewX = sPos.x() + urlRect.x();
- if(previewY + previewItem->boundingRect().height() > contentsItem->scene()->sceneRect().bottom())
- previewY = sPos.y() + urlRect.y() - previewItem->boundingRect().height();
-
- if(previewX + previewItem->boundingRect().width() > contentsItem->scene()->sceneRect().width())
- previewX = contentsItem->scene()->sceneRect().right() - previewItem->boundingRect().width();
-
- previewItem->setPos(previewX, previewY);
- contentsItem->scene()->addItem(previewItem);
-}
-
-void ContentsChatItemPrivate::PreviewController::pageLoaded(bool success) {
- Q_UNUSED(success)
-}
-
-ContentsChatItemPrivate::PreviewItem::PreviewItem(QWebView *webView)
- : QGraphicsItem(0), // needs to be a top level item as we otherwise cannot guarantee that it's on top of other chatlines
- _boundingRect(0, 0, 400, 300)
-{
- qreal frameWidth = 5;
- webView->resize(1000, 750);
- QGraphicsProxyWidget *proxyItem = new QGraphicsProxyWidget(this);
- proxyItem->setWidget(webView);
- proxyItem->setAcceptHoverEvents(false);
-
- qreal xScale = (_boundingRect.width() - 2 * frameWidth) / webView->width();
- qreal yScale = (_boundingRect.height() - 2 * frameWidth) / webView->height();
- proxyItem->scale(xScale, yScale);
- proxyItem->setPos(frameWidth, frameWidth);
-
- setZValue(30);
-}
-
-void ContentsChatItemPrivate::PreviewItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) {
- Q_UNUSED(option); Q_UNUSED(widget);
- painter->setClipRect(boundingRect());
- painter->setPen(QPen(Qt::black, 5));
- painter->setBrush(Qt::black);
- painter->setRenderHints(QPainter::Antialiasing);
- painter->drawRoundedRect(boundingRect(), 10, 10);
-
- painter->setPen(QPen(Qt::green));
- QString text = QString::number(zValue());
- painter->drawText(_boundingRect.center(), text);
+ chatScene()->clearWebPreview(this);
+#endif
}
-#endif // #ifdef HAVE_WEBKIT
/*************************************************************************************************/
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