#include <QApplication>
#include <QClipboard>
+#include <QDesktopServices>
#include <QFontMetrics>
#include <QGraphicsSceneMouseEvent>
#include <QPainter>
#include "chatlinemodel.h"
#include "qtui.h"
-ChatItem::ChatItem(const QPersistentModelIndex &index_, QGraphicsItem *parent) : QGraphicsItem(parent), _index(index_) {
- _fontMetrics = QtUi::style()->fontMetrics(data(ChatLineModel::FormatRole).value<UiStyle::FormatList>().at(0).second);
- _layout = 0;
- _lines = 0;
- _selectionStart = -1;
- _selectionMode = NoSelection;
+ChatItem::ChatItem(ChatLineModel::ColumnType col, QAbstractItemModel *model, QGraphicsItem *parent)
+ : QGraphicsItem(parent),
+ _fontMetrics(0),
+ _selectionMode(NoSelection),
+ _selectionStart(-1),
+ _layout(0)
+{
+ 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);
}
}
QVariant ChatItem::data(int role) const {
- if(!_index.isValid()) {
- qWarning() << "ChatItem::data(): Model index is invalid!" << _index;
+ QModelIndex index = model()->index(row(), column());
+ if(!index.isValid()) {
+ qWarning() << "ChatItem::data(): model index is invalid!" << index;
return QVariant();
}
- return _index.data(role);
+ return model()->data(index, role);
}
-qreal ChatItem::setWidth(qreal w) {
+qreal ChatItem::setGeometry(qreal w, qreal h) {
if(w == _boundingRect.width()) return _boundingRect.height();
prepareGeometryChange();
_boundingRect.setWidth(w);
- qreal h = computeHeight();
+ 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
-
- _lines = 1;
- WrapColumnFinder finder(this);
- while(finder.nextWrapColumn() > 0) _lines++;
- return _lines * fontMetrics()->lineSpacing();
+ return fontMetrics()->lineSpacing(); // only contents can be multi-line
}
QTextLayout *ChatItem::createLayout(QTextOption::WrapMode wrapMode, Qt::Alignment alignment) {
}
void ChatItem::updateLayout() {
- switch(data(ChatLineModel::ColumnTypeRole).toUInt()) {
- case ChatLineModel::TimestampColumn:
- if(!haveLayout()) _layout = createLayout(QTextOption::WrapAnywhere, Qt::AlignLeft);
- // fallthrough
- case ChatLineModel::SenderColumn:
- if(!haveLayout()) _layout = 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()) _layout = 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;
+ if(!haveLayout())
+ setLayout(createLayout(QTextOption::WrapAnywhere, Qt::AlignLeft));
+
+ layout()->beginLayout();
+ QTextLine line = layout()->createLine();
+ if(line.isValid()) {
+ line.setLineWidth(width());
+ line.setPosition(QPointF(0,0));
}
+ layout()->endLayout();
}
void ChatItem::clearLayout() {
//painter->fillRect(boundingRect(), QApplication::palette().brush(QPalette::Highlight));
//painter->restore();
//}
- QVector<QTextLayout::FormatRange> formats;
+ QVector<QTextLayout::FormatRange> formats = additionalFormats();
if(_selectionMode != NoSelection) {
QTextLayout::FormatRange selectFmt;
selectFmt.format.setForeground(QApplication::palette().brush(QPalette::HighlightedText));
}
formats.append(selectFmt);
}
- _layout->draw(painter, QPointF(0,0), formats, boundingRect());
+ 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);
+ 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);
}
}
void ChatItem::clearSelection() {
- if(_selectionMode != NoSelection) {
- _selectionMode = NoSelection;
- update();
- }
+ _selectionMode = NoSelection;
+ update();
}
void ChatItem::continueSelecting(const QPointF &pos) {
update();
}
+QList<QRectF> ChatItem::findWords(const QString &searchWord, Qt::CaseSensitivity caseSensitive) {
+ QList<QRectF> resultList;
+ const QAbstractItemModel *model_ = model();
+ if(!model_)
+ return resultList;
+
+ QString plainText = model_->data(model_->index(row(), column()), MessageModel::DisplayRole).toString();
+ QList<int> indexList;
+ int searchIdx = plainText.indexOf(searchWord, 0, caseSensitive);
+ while(searchIdx != -1) {
+ indexList << searchIdx;
+ searchIdx = plainText.indexOf(searchWord, searchIdx + 1, caseSensitive);
+ }
+
+ if(!haveLayout())
+ updateLayout();
+
+ foreach(int idx, indexList) {
+ QTextLine line = layout()->lineForTextPosition(idx);
+ qreal x = line.cursorToX(idx);
+ qreal width = line.cursorToX(idx + searchWord.count()) - x;
+ qreal height = fontMetrics()->lineSpacing();
+ 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();
- }
+ if(event->buttons() == Qt::LeftButton) {
+ chatScene()->setSelectingItem(this);
+ _selectionStart = _selectionEnd = posToCursor(event->pos());
+ _selectionMode = NoSelection; // will be set to PartialSelection by mouseMoveEvent
+ update();
event->accept();
} else {
event->ignore();
}
void ChatItem::mouseMoveEvent(QGraphicsSceneMouseEvent *event) {
- if(contains(event->pos())) {
- qint16 end = posToCursor(event->pos());
- if(end != _selectionEnd) {
- _selectionEnd = end;
- update();
+ if(event->buttons() == Qt::LeftButton) {
+ if(contains(event->pos())) {
+ qint16 end = posToCursor(event->pos());
+ if(end != _selectionEnd) {
+ _selectionEnd = end;
+ _selectionMode = (_selectionStart != _selectionEnd ? PartialSelection : NoSelection);
+ update();
+ }
+ } else {
+ setFullSelection();
+ chatScene()->startGlobalSelection(this, event->pos());
}
+ event->accept();
} else {
- setFullSelection();
- chatScene()->startGlobalSelection(this, event->pos());
+ event->ignore();
}
}
void ChatItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) {
- if(_selectionMode != NoSelection) {
+ if(_selectionMode != NoSelection && !event->buttons() & Qt::LeftButton) {
_selectionEnd = posToCursor(event->pos());
QString selection
= data(MessageModel::DisplayRole).toString().mid(qMin(_selectionStart, _selectionEnd), qAbs(_selectionStart - _selectionEnd));
- QApplication::clipboard()->setText(selection, QClipboard::Clipboard); // TODO configure where selections should go
+ chatScene()->putToClipboard(selection);
event->accept();
} else {
event->ignore();
}
}
-void ChatItem::hoverEnterEvent(QGraphicsSceneHoverEvent *event) {
- //qDebug() << (void*)this << "entering";
+/*************************************************************************************************/
+
+/*************************************************************************************************/
+
+void SenderChatItem::updateLayout() {
+ if(!haveLayout()) setLayout(createLayout(QTextOption::WrapAnywhere, Qt::AlignRight));
+ ChatItem::updateLayout();
+}
+
+/*************************************************************************************************/
+
+ContentsChatItem::ContentsChatItem(QAbstractItemModel *model, QGraphicsItem *parent) : ChatItem(column(), model, parent),
+ _layoutData(0)
+{
+
+}
+
+ContentsChatItem::~ContentsChatItem() {
+ delete _layoutData;
+}
+
+qreal ContentsChatItem::computeHeight() {
+ int lines = 1;
+ WrapColumnFinder finder(this);
+ while(finder.nextWrapColumn() > 0) lines++;
+ return lines * fontMetrics()->lineSpacing();
+}
+
+void ContentsChatItem::setLayout(QTextLayout *layout) {
+ if(!_layoutData) {
+ _layoutData = new LayoutData;
+ _layoutData->clickables = findClickables();
+ } else {
+ delete _layoutData->layout;
+ }
+ _layoutData->layout = layout;
+}
+
+void ContentsChatItem::clearLayout() {
+ delete _layoutData;
+ _layoutData = 0;
+}
+
+void ContentsChatItem::updateLayout() {
+ 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 += fontMetrics()->lineSpacing();
+ }
+ layout()->endLayout();
}
-void ChatItem::hoverLeaveEvent(QGraphicsSceneHoverEvent *event) {
- //qDebug() << (void*)this << "leaving";
+// 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() {
+ // For matching URLs
+ static QString urlEnd("(?:>|[,.;:\"]*\\s|\\b|$)");
+ static QString urlChars("(?:[\\w\\-~@/?&=+$()!%#]|[,.;:]\\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)),
+
+ // 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")
+
+ // TODO: Nicks, we'll need a filtering for only matching known nicknames further down if we do this
+ };
+
+ static const int regExpCount = 2; // number of regexps in the array above
+
+ qint16 matches[] = { 0, 0, 0 };
+ qint16 matchEnd[] = { 0, 0, 0 };
+
+ QString str = data(ChatLineModel::DisplayRole).toString();
+
+ QList<Clickable> result;
+ qint16 idx = 0;
+ qint16 minidx;
+ int type = -1;
+
+ do {
+ type = -1;
+ minidx = str.length();
+ for(int i = 0; i < regExpCount; i++) {
+ if(matches[i] < 0 || matchEnd[i] > str.length()) continue;
+ if(idx >= matchEnd[i]) {
+ matches[i] = str.indexOf(regExp[i], qMax(matchEnd[i], idx));
+ if(matches[i] >= 0) matchEnd[i] = matches[i] + regExp[i].cap(1).length();
+ }
+ if(matches[i] >= 0 && matches[i] < minidx) {
+ minidx = matches[i];
+ type = i;
+ }
+ }
+ if(type >= 0) {
+ idx = matchEnd[type];
+ if(type == Clickable::Url && str.at(idx-1) == ')') { // special case: closing paren only matches if we had an open one
+ if(!str.mid(matches[type], matchEnd[type]-matches[type]).contains('(')) matchEnd[type]--;
+ }
+ result.append(Clickable((Clickable::Type)type, matches[type], matchEnd[type] - matches[type]));
+ }
+ } while(type >= 0);
+ /* testing
+ if(!result.isEmpty()) qDebug() << str;
+ foreach(Clickable click, result) {
+ qDebug() << str.mid(click.start, click.length);
+ }
+ */
+ return result;
}
-void ChatItem::hoverMoveEvent(QGraphicsSceneHoverEvent *event) {
- //qDebug() << (void*)this << event->pos();
+QVector<QTextLayout::FormatRange> ContentsChatItem::additionalFormats() const {
+ // mark a clickable if hovered upon
+ QVector<QTextLayout::FormatRange> fmt;
+ if(layoutData()->currentClickable.isValid()) {
+ Clickable click = layoutData()->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(layoutData()->currentClickable.isValid()) {
+ setCursor(Qt::ArrowCursor);
+ layoutData()->currentClickable = Clickable();
+ update();
+ }
+}
+
+void ContentsChatItem::mousePressEvent(QGraphicsSceneMouseEvent *event) {
+ layoutData()->hasDragged = false;
+ ChatItem::mousePressEvent(event);
}
+void ContentsChatItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) {
+ if(!event->buttons() && !layoutData()->hasDragged) {
+ // got a click
+ Clickable click = layoutData()->currentClickable;
+ if(click.isValid()) {
+ QString str = data(ChatLineModel::DisplayRole).toString().mid(click.start, click.length);
+ switch(click.type) {
+ case Clickable::Url:
+ QDesktopServices::openUrl(str);
+ break;
+ case Clickable::Channel:
+ // TODO join or whatever...
+ break;
+ default:
+ break;
+ }
+ }
+ }
+ ChatItem::mouseReleaseEvent(event);
+}
+
+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(!layoutData()->hasDragged && event->buttons() & Qt::LeftButton
+ && (event->buttonDownScreenPos(Qt::LeftButton) - event->screenPos()).manhattanLength() >= QApplication::startDragDistance())
+ layoutData()->hasDragged = true;
+ ChatItem::mouseMoveEvent(event);
+}
+
+void ContentsChatItem::hoverLeaveEvent(QGraphicsSceneHoverEvent *event) {
+ endHoverMode();
+ event->accept();
+}
+
+void ContentsChatItem::hoverMoveEvent(QGraphicsSceneHoverEvent *event) {
+ bool onClickable = false;
+ qint16 idx = posToCursor(event->pos());
+ for(int i = 0; i < layoutData()->clickables.count(); i++) {
+ Clickable click = layoutData()->clickables.at(i);
+ if(idx >= click.start && idx < click.start + click.length) {
+ if(click.type == Clickable::Url)
+ onClickable = true;
+ else if(click.type == Clickable::Channel) {
+ // TODO: don't make clickable if it's our own name
+ //onClickable = true; //FIXME disabled for now
+ }
+ if(onClickable) {
+ setCursor(Qt::PointingHandCursor);
+ layoutData()->currentClickable = click;
+ update();
+ break;
+ }
+ }
+ }
+ if(!onClickable) endHoverMode();
+ event->accept();
+}
/*************************************************************************************************/
-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;
+ContentsChatItem::WrapColumnFinder::WrapColumnFinder(ChatItem *_item)
+ : item(_item),
+ layout(0),
+ wrapList(item->data(ChatLineModel::WrapListRole).value<ChatLineModel::WrapList>()),
+ wordidx(0),
+ lastwrapcol(0),
+ lastwrappos(0),
+ w(0)
+{
}
-ChatItem::WrapColumnFinder::~WrapColumnFinder() {
+ContentsChatItem::WrapColumnFinder::~WrapColumnFinder() {
delete layout;
}
-qint16 ChatItem::WrapColumnFinder::nextWrapColumn() {
+qint16 ContentsChatItem::WrapColumnFinder::nextWrapColumn() {
while(wordidx < wrapList.count()) {
w += wrapList.at(wordidx).width;
if(w >= item->width()) {
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