* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
+#include <QFontMetrics>
+#include <QTextBoundaryFinder>
+
#include "chatlinemodelitem.h"
#include "chatlinemodel.h"
#include "qtui.h"
#include "uistyle.h"
-ChatlineModelItem::ChatlineModelItem(const Message &msg) : MessageModelItem(msg) {
+ChatLineModelItem::ChatLineModelItem(const Message &msg) : MessageModelItem(msg) {
QtUiStyle::StyledMessage m = QtUi::style()->styleMessage(msg);
_timestamp.plainText = m.timestamp.plainText;
_sender.formatList = m.sender.formatList;
_contents.formatList = m.contents.formatList;
+ computeWrapList();
}
-QVariant ChatlineModelItem::data(int column, int role) const {
- const ChatlinePart *part;
+QVariant ChatLineModelItem::data(int column, int role) const {
+ const ChatLinePart *part;
switch(column) {
- case ChatlineModel::TimestampColumn: part = &_timestamp; break;
- case ChatlineModel::SenderColumn: part = &_sender; break;
- case ChatlineModel::TextColumn: part = &_contents; break;
+ case ChatLineModel::TimestampColumn: part = &_timestamp; break;
+ case ChatLineModel::SenderColumn: part = &_sender; break;
+ case ChatLineModel::ContentsColumn: part = &_contents; break;
default: return MessageModelItem::data(column, role);
}
switch(role) {
- case ChatlineModel::DisplayRole: return part->plainText;
- case ChatlineModel::FormatRole: return QVariant::fromValue<UiStyle::FormatList>(part->formatList);
+ case ChatLineModel::DisplayRole:
+ return part->plainText;
+ case ChatLineModel::FormatRole:
+ return QVariant::fromValue<UiStyle::FormatList>(part->formatList);
+ case ChatLineModel::WrapListRole:
+ if(column != ChatLineModel::ContentsColumn) return QVariant();
+ QVariantList wrapList;
+ typedef QPair<quint16, quint16> WrapPoint; // foreach can't parse templated params
+ foreach(WrapPoint pair, _wrapList) wrapList << pair.first << pair.second;
+ return wrapList;
}
return MessageModelItem::data(column, role);
}
-bool ChatlineModelItem::setData(int column, const QVariant &value, int role) {
+bool ChatLineModelItem::setData(int column, const QVariant &value, int role) {
return false;
}
+
+void ChatLineModelItem::computeWrapList() {
+ WrapList wplist; // use a temp list which we'll later copy into a QVector for efficiency
+ QTextBoundaryFinder finder(QTextBoundaryFinder::Word, _contents.plainText);
+ int idx;
+ int flistidx = -1;
+ int fmtend = -1;
+ QFontMetricsF *metrics;
+ QPair<quint16, quint16> wp(0, 0);
+ do {
+ idx = finder.toNextBoundary();
+ if(idx < 0) idx = _contents.plainText.length();
+ else if(finder.boundaryReasons() != QTextBoundaryFinder::StartWord) continue;
+ int start = wp.first;
+ while(start < idx) {
+ if(fmtend <= start) {
+ flistidx++;
+ fmtend = _contents.formatList.count() > flistidx+1 ? _contents.formatList[flistidx+1].first
+ : _contents.plainText.length();
+ metrics = QtUi::style()->fontMetrics(_contents.formatList[flistidx].second);
+ Q_ASSERT(fmtend > start);
+ }
+ int i = qMin(idx, fmtend);
+ wp.second += metrics->width(_contents.plainText.mid(start, i - start));
+ start = i;
+ }
+ wplist.append(wp);
+ wp.first = idx;
+ } while(finder.isAtBoundary());
+
+ // A QVector needs less space than a QList
+ _wrapList.resize(wplist.count());
+ for(int i = 0; i < wplist.count(); i++) {
+ _wrapList[i] = wplist.at(i);
+ }
+}
+