/***************************************************************************
- * Copyright (C) 2005-08 by the Quassel Project *
+ * Copyright (C) 2005-2018 by the Quassel Project *
* devel@quassel-irc.org *
* *
* This program is free software; you can redistribute it and/or modify *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
+#include "chatitem.h"
+
+#include <algorithm>
+#include <iterator>
+
#include <QApplication>
#include <QClipboard>
#include <QDesktopServices>
#include <QPainter>
#include <QPalette>
#include <QTextLayout>
+#include <QMenu>
-#include "chatitem.h"
+#include "action.h"
+#include "buffermodel.h"
+#include "bufferview.h"
+#include "chatline.h"
#include "chatlinemodel.h"
+#include "chatview.h"
+#include "contextmenuactionprovider.h"
+#include "icon.h"
+#include "mainwin.h"
#include "qtui.h"
#include "qtuistyle.h"
-ChatItem::ChatItem(const qreal &width, const qreal &height, const QPointF &pos, QGraphicsItem *parent)
- : QGraphicsItem(parent),
- _data(0),
- _boundingRect(0, 0, width, height),
+ChatItem::ChatItem(const QRectF &boundingRect, ChatLine *parent)
+ : _parent(parent),
+ _boundingRect(boundingRect),
_selectionMode(NoSelection),
- _selectionStart(-1)
+ _selectionStart(-1),
+ _cachedLayout(nullptr)
+{
+}
+
+
+ChatItem::~ChatItem()
+{
+ delete _cachedLayout;
+}
+
+
+ChatLine *ChatItem::chatLine() const
+{
+ return _parent;
+}
+
+
+ChatScene *ChatItem::chatScene() const
+{
+ return chatLine()->chatScene();
+}
+
+
+ChatView *ChatItem::chatView() const
{
- setAcceptHoverEvents(true);
- setZValue(20);
- setPos(pos);
+ return chatScene()->chatView();
}
-ChatItem::~ChatItem() {
- delete _data;
+
+const QAbstractItemModel *ChatItem::model() const
+{
+ return chatLine()->model();
}
-QVariant ChatItem::data(int role) const {
- QModelIndex index = model()->index(row(), column());
- if(!index.isValid()) {
- qWarning() << "ChatItem::data(): model index is invalid!" << index;
- return QVariant();
- }
- return model()->data(index, role);
+
+int ChatItem::row() const
+{
+ return chatLine()->row();
}
-QTextLayout *ChatItem::createLayout(QTextOption::WrapMode wrapMode, Qt::Alignment alignment) const {
- QTextLayout *layout = new QTextLayout(data(MessageModel::DisplayRole).toString());
- QTextOption option;
- option.setWrapMode(wrapMode);
- option.setAlignment(alignment);
- layout->setTextOption(option);
+QPointF ChatItem::mapToLine(const QPointF &p) const
+{
+ return p + pos();
+}
+
- QList<QTextLayout::FormatRange> formatRanges
- = QtUi::style()->toTextLayoutList(data(MessageModel::FormatRole).value<UiStyle::FormatList>(), layout->text().length());
- layout->setAdditionalFormats(formatRanges);
- return layout;
+QPointF ChatItem::mapFromLine(const QPointF &p) const
+{
+ return p - pos();
}
-void ChatItem::doLayout() {
- QTextLayout *layout_ = layout();
- layout_->beginLayout();
- QTextLine line = layout_->createLine();
- if(line.isValid()) {
- line.setLineWidth(width());
- line.setPosition(QPointF(0,0));
- }
- layout_->endLayout();
+
+// relative to the ChatLine
+QPointF ChatItem::mapToScene(const QPointF &p) const
+{
+ return chatLine()->mapToScene(p /* + pos() */);
}
-void ChatItem::clearLayout() {
- delete _data;
- _data = 0;
+
+QPointF ChatItem::mapFromScene(const QPointF &p) const
+{
+ return chatLine()->mapFromScene(p) /* - pos() */;
}
-ChatItemPrivate *ChatItem::privateData() const {
- if(!_data) {
- ChatItem *that = const_cast<ChatItem *>(this);
- that->_data = that->newPrivateData();
- that->doLayout();
- }
- return _data;
+
+QVariant ChatItem::data(int role) const
+{
+ QModelIndex index = model()->index(row(), column());
+ if (!index.isValid()) {
+ qWarning() << "ChatItem::data(): model index is invalid!" << index;
+ return QVariant();
+ }
+ return model()->data(index, role);
}
+
+QTextLayout *ChatItem::layout() const
+{
+ if (_cachedLayout)
+ return _cachedLayout;
+
+ _cachedLayout = new QTextLayout;
+ initLayout(_cachedLayout);
+ chatView()->setHasCache(chatLine());
+ return _cachedLayout;
+}
+
+
+void ChatItem::clearCache()
+{
+ delete _cachedLayout;
+ _cachedLayout = nullptr;
+}
+
+
+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);
+ option.setAlignment(alignment);
+ layout->setTextOption(option);
+
+ QList<QTextLayout::FormatRange> formatRanges
+ = QtUi::style()->toTextLayoutList(formatList(), layout->text().length(), data(ChatLineModel::MsgLabelRole).value<UiStyle::MessageLabel>());
+ layout->setAdditionalFormats(formatRanges);
+}
+
+
+void ChatItem::initLayout(QTextLayout *layout) const
+{
+ initLayoutHelper(layout, QTextOption::NoWrap);
+ doLayout(layout);
+}
+
+
+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();
+}
+
+
+UiStyle::FormatList ChatItem::formatList() const
+{
+ return data(MessageModel::FormatRole).value<UiStyle::FormatList>();
+}
+
+
+qint16 ChatItem::posToCursor(const QPointF &posInLine) const
+{
+ QPointF pos = mapFromLine(posInLine);
+ if (pos.y() > height())
+ return data(MessageModel::DisplayRole).toString().length();
+ if (pos.y() < 0)
+ return 0;
+
+ 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;
+}
+
+
+void ChatItem::paintBackground(QPainter *painter)
+{
+ 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);
- painter->setClipRect(boundingRect()); // no idea why QGraphicsItem clipping won't work
- QVector<QTextLayout::FormatRange> formats = additionalFormats();
- QTextLayout::FormatRange selectFmt = selectionFormat();
- if(selectFmt.format.isValid()) formats.append(selectFmt);
- 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
+void ChatItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
+{
+ Q_UNUSED(option); Q_UNUSED(widget);
+ painter->save();
+ painter->setClipRect(boundingRect());
+ paintBackground(painter);
+
+ layout()->draw(painter, pos(), 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
+// 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;
+// break;
// painter->drawLine(word.endX, 0, word.endX, height());
// }
// }
- // 2) draw MsgId over the time column
+// 2) draw MsgId over the time column
// if(column() == 0) {
-// QString msgIdString = QString::number(data(MessageModel::MsgIdRole).value<MsgId>().toInt());
+// QString msgIdString = QString::number(data(MessageModel::MsgIdRole).value<MsgId>().toLongLong());
// QPointF bottomPoint = boundingRect().bottomLeft();
// bottomPoint.ry() -= 2;
// painter->drawText(bottomPoint, msgIdString);
// }
- // 3) draw bounding rect
+// 3) draw bounding rect
// painter->drawRect(_boundingRect.adjusted(0, 0, -1, -1));
+
+ painter->restore();
}
-qint16 ChatItem::posToCursor(const QPointF &pos) {
- if(pos.y() > height()) return data(MessageModel::DisplayRole).toString().length();
- if(pos.y() < 0) return 0;
- 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::overlayFormat(UiStyle::FormatList &fmtList, quint16 start, quint16 end, UiStyle::FormatType overlayFmt) const
+{
+ for (size_t i = 0; i < fmtList.size(); i++) {
+ int fmtStart = fmtList.at(i).first;
+ int fmtEnd = (i < fmtList.size()-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(fmtList.begin() + i, fmtList.at(i));
+ fmtList[++i].first = start;
+ }
+ if (end < fmtEnd) {
+ fmtList.insert(fmtList.begin() + i, fmtList.at(i));
+ fmtList[i+1].first = end;
+ }
+
+ fmtList[i].second.type |= overlayFmt;
}
- }
- return 0;
}
-void ChatItem::setFullSelection() {
- if(_selectionMode != FullSelection) {
- _selectionMode = FullSelection;
- update();
- }
+
+QVector<QTextLayout::FormatRange> ChatItem::additionalFormats() const
+{
+ // Calculate formats to overlay (only) if there's a selection, and/or a hovered clickable
+ if (!hasSelection() && !hasActiveClickable()) {
+ return {};
+ }
+
+ using Label = UiStyle::MessageLabel;
+ using Format = UiStyle::Format;
+
+ auto itemLabel = data(ChatLineModel::MsgLabelRole).value<Label>();
+ const auto &fmtList = formatList();
+
+ struct LabelFormat {
+ quint16 offset;
+ Format format;
+ Label label;
+ };
+
+ // Transform formatList() into an extended list of LabelFormats
+ std::vector<LabelFormat> labelFmtList;
+ std::transform(fmtList.cbegin(), fmtList.cend(), std::back_inserter(labelFmtList), [itemLabel](const std::pair<quint16, Format> &f) {
+ return LabelFormat{f.first, f.second, itemLabel};
+ });
+ // Append dummy element to avoid special-casing handling the last real format
+ labelFmtList.push_back(LabelFormat{quint16(data(MessageModel::DisplayRole).toString().length()), Format(), itemLabel});
+
+ // Apply the given label to the given range in the format list, splitting formats as necessary
+ auto applyLabel = [&labelFmtList](quint16 start, quint16 end, Label label) {
+ size_t i = 0;
+
+ // Skip unaffected formats
+ for (; i < labelFmtList.size() - 1; ++i) {
+ if (labelFmtList[i+1].offset > start)
+ break;
+ }
+ // Range start doesn't align; split affected format and let the index point to the newly inserted copy
+ if (labelFmtList[i].offset < start) {
+ labelFmtList.insert(labelFmtList.begin() + i, labelFmtList[i]);
+ labelFmtList[++i].offset = start;
+ }
+
+ // Apply label to formats fully affected
+ for (; i < labelFmtList.size() - 1; ++i) {
+ if (labelFmtList[i+1].offset <= end) {
+ labelFmtList[i].label |= label;
+ continue;
+ }
+ // Last affected format, split if end of range doesn't align
+ if (labelFmtList[i+1].offset > end) {
+ labelFmtList.insert(labelFmtList.begin() + i, labelFmtList[i]);
+ labelFmtList[i].label |= label;
+ labelFmtList[i+1].offset = end;
+ }
+ break;
+ }
+ };
+
+ // Apply selection label
+ if (hasSelection()) {
+ quint16 start, end;
+ if (_selectionMode == FullSelection) {
+ start = 0;
+ end = data(MessageModel::DisplayRole).toString().length();
+ }
+ else {
+ start = qMin(_selectionStart, _selectionEnd);
+ end = qMax(_selectionStart, _selectionEnd);
+ }
+ applyLabel(start, end, Label::Selected);
+ }
+
+ // Apply hovered label
+ if (hasActiveClickable()) {
+ applyLabel(activeClickableRange().first, activeClickableRange().second, Label::Hovered);
+ }
+
+ // Add all formats that have an extra label to the additionalFormats list
+ QList<QTextLayout::FormatRange> additionalFormats;
+ for (size_t i = 0; i < labelFmtList.size() - 1; ++i) {
+ if (labelFmtList[i].label != itemLabel) {
+ additionalFormats << QtUi::style()->toTextLayoutList({std::make_pair(labelFmtList[i].offset, labelFmtList[i].format)},
+ labelFmtList[i+1].offset,
+ labelFmtList[i].label);
+ }
+ }
+
+ return additionalFormats.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;
+ chatLine()->update();
+}
+
+
+void ChatItem::setFullSelection()
+{
+ if (_selectionMode != FullSelection) {
+ _selectionMode = FullSelection;
+ chatLine()->update();
+ }
}
-void ChatItem::clearSelection() {
- _selectionMode = NoSelection;
- update();
+
+void ChatItem::clearSelection()
+{
+ if (_selectionMode != NoSelection) {
+ _selectionMode = NoSelection;
+ chatLine()->update();
+ }
}
-void ChatItem::continueSelecting(const QPointF &pos) {
- _selectionMode = PartialSelection;
- _selectionEnd = posToCursor(pos);
- update();
+
+void ChatItem::continueSelecting(const QPointF &pos)
+{
+ _selectionMode = PartialSelection;
+ _selectionEnd = posToCursor(pos);
+ chatLine()->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();
+
+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);
}
- } else {
- selectFmt.start = -1;
- selectFmt.length = 0;
- }
- return selectFmt;
+ return false;
}
-QList<QRectF> ChatItem::findWords(const QString &searchWord, Qt::CaseSensitivity caseSensitive) {
- QList<QRectF> resultList;
- const QAbstractItemModel *model_ = model();
- if(!model_)
+
+bool ChatItem::hasActiveClickable() const
+{
+ return false;
+}
+
+
+std::pair<quint16, quint16> ChatItem::activeClickableRange() const
+{
+ return {};
+}
+
+
+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);
+ }
+
+ foreach(int idx, indexList) {
+ QTextLine line = layout()->lineForTextPosition(idx);
+ qreal x = line.cursorToX(idx);
+ qreal width = line.cursorToX(idx + searchWord.count()) - x;
+ qreal height = line.height();
+ qreal y = height * line.lineNumber();
+ resultList << QRectF(x, y, width, height);
+ }
+
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);
- }
- bool hadPrivateData = hasPrivateData();
+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
+ chatLine()->update();
+ }
+}
- foreach(int idx, indexList) {
- QTextLine line = layout()->lineForTextPosition(idx);
- qreal x = line.cursorToX(idx);
- qreal width = line.cursorToX(idx + searchWord.count()) - x;
- qreal height = line.height();
- qreal y = height * line.lineNumber();
- resultList << QRectF(x, y, width, height);
- }
- if(!hadPrivateData)
- clearLayout();
- return resultList;
+void ChatItem::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
+{
+ if (event->buttons() == Qt::LeftButton) {
+ if (boundingRect().contains(event->pos())) {
+ qint16 end = posToCursor(event->pos());
+ if (end != _selectionEnd) {
+ _selectionEnd = end;
+ _selectionMode = (_selectionStart != _selectionEnd ? PartialSelection : NoSelection);
+ chatLine()->update();
+ }
+ }
+ else {
+ setFullSelection();
+ chatScene()->startGlobalSelection(this, event->pos());
+ }
+ event->accept();
+ }
+ else {
+ event->ignore();
+ }
}
-void ChatItem::mousePressEvent(QGraphicsSceneMouseEvent *event) {
- 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(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());
+
+void ChatItem::mousePressEvent(QGraphicsSceneMouseEvent *event)
+{
+ if (event->buttons() == Qt::LeftButton)
+ event->accept();
+ else
+ event->ignore();
+}
+
+
+void ChatItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
+{
+ if (_selectionMode != NoSelection && event->button() == Qt::LeftButton) {
+ chatScene()->selectionToClipboard(QClipboard::Selection);
+ event->accept();
}
- event->accept();
- } else {
- event->ignore();
- }
+ 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 {
- 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);
-
- //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());
- }
+void SenderChatItem::initLayout(QTextLayout *layout) const
+{
+ initLayoutHelper(layout, QTextOption::ManualWrap, Qt::AlignRight);
+ doLayout(layout);
}
+
+void SenderChatItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
+{
+ Q_UNUSED(option); Q_UNUSED(widget);
+ painter->save();
+ painter->setClipRect(boundingRect());
+ paintBackground(painter);
+
+ 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 compositing instead
+ QPixmap pixmap(layout()->boundingRect().toRect().size());
+ pixmap.fill(Qt::transparent);
+
+ QPainter pixPainter(&pixmap);
+ layout()->draw(&pixPainter, QPointF(qMax(offset, (qreal)0), 0), additionalFormats());
+
+ // Create alpha channel mask
+ QLinearGradient gradient;
+ if (offset < 0) {
+ gradient.setStart(0, 0);
+ gradient.setFinalStop(12, 0);
+ gradient.setColorAt(0, Qt::transparent);
+ gradient.setColorAt(1, Qt::white);
+ }
+ else {
+ gradient.setStart(width()-10, 0);
+ gradient.setFinalStop(width(), 0);
+ gradient.setColorAt(0, Qt::white);
+ gradient.setColorAt(1, Qt::transparent);
+ }
+ pixPainter.setCompositionMode(QPainter::CompositionMode_DestinationIn); // gradient's alpha gets applied to the pixmap
+ pixPainter.fillRect(pixmap.rect(), gradient);
+ painter->drawPixmap(pos(), pixmap);
+ }
+ else {
+ layout()->draw(painter, pos(), additionalFormats(), boundingRect());
+ }
+ painter->restore();
+}
+
+
+void SenderChatItem::handleClick(const QPointF &pos, ChatScene::ClickMode clickMode)
+{
+ if (clickMode == ChatScene::DoubleClick) {
+ BufferInfo curBufInfo = Client::networkModel()->bufferInfo(data(MessageModel::BufferIdRole).value<BufferId>());
+ QString nick = data(MessageModel::EditRole).toString();
+ // check if the nick is a valid ircUser
+ if (!nick.isEmpty() && Client::network(curBufInfo.networkId())->ircUser(nick))
+ Client::bufferModel()->switchToOrStartQuery(curBufInfo.networkId(), nick);
+ }
+ else
+ ChatItem::handleClick(pos, clickMode);
+}
+
+
// ************************************************************
// ContentsChatItem
// ************************************************************
-ContentsChatItem::ContentsChatItem(const qreal &width, const QPointF &pos, QGraphicsItem *parent)
- : ChatItem(0, 0, pos, parent)
+
+ContentsChatItem::ActionProxy ContentsChatItem::_actionProxy;
+
+ContentsChatItem::ContentsChatItem(const QPointF &pos, const qreal &width, ChatLine *parent)
+ : ChatItem(QRectF(pos, QSizeF(width, 0)), parent),
+ _data(nullptr)
+{
+ setPos(pos);
+ setGeometryByWidth(width);
+}
+
+
+QFontMetricsF *ContentsChatItem::fontMetrics() const
+{
+ return QtUi::style()->fontMetrics(data(ChatLineModel::FormatRole).value<UiStyle::FormatList>().at(0).second.type, UiStyle::MessageLabel::None);
+}
+
+
+ContentsChatItem::~ContentsChatItem()
+{
+ delete _data;
+}
+
+
+void ContentsChatItem::clearCache()
{
- const QAbstractItemModel *model_ = model();
- QModelIndex index = model_->index(row(), column());
- _fontMetrics = QtUi::style()->fontMetrics(model_->data(index, ChatLineModel::FormatRole).value<UiStyle::FormatList>().at(0).second);
+ delete _data;
+ _data = nullptr;
+ ChatItem::clearCache();
+}
- setGeometryByWidth(width);
+
+ContentsChatItemPrivate *ContentsChatItem::privateData() const
+{
+ if (!_data) {
+ auto *that = const_cast<ContentsChatItem *>(this);
+ that->_data = new ContentsChatItemPrivate(ClickableList::fromString(data(ChatLineModel::DisplayRole).toString()), that);
+ }
+ return _data;
}
-qreal ContentsChatItem::setGeometryByWidth(qreal w) {
- if(w != width()) {
- prepareGeometryChange();
- setWidth(w);
+
+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
+
// compute height
int lines = 1;
WrapColumnFinder finder(this);
- while(finder.nextWrapColumn() > 0)
- lines++;
- setHeight(lines * fontMetrics()->lineSpacing());
- }
- return height();
-}
-
-void ContentsChatItem::doLayout() {
- 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();
-}
-
-// 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() const {
- // For matching URLs
- static QString urlEnd("(?:>|[,.;:\"]*\\s|\\b|$)");
- static QString urlChars("(?:[,.;:]*[\\w\\-~@/?&=+$()!%#])");
-
- 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), 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", Qt::CaseInsensitive)
-
- // 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;
-}
-
-QVector<QTextLayout::FormatRange> ContentsChatItem::additionalFormats() const {
- // mark a clickable if hovered upon
- QVector<QTextLayout::FormatRange> fmt;
- 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(hasPrivateData()) {
- if(privateData()->currentClickable.isValid()) {
- setCursor(Qt::ArrowCursor);
- privateData()->currentClickable = Clickable();
- }
- clearWebPreview();
- update();
- }
-}
-
-void ContentsChatItem::mousePressEvent(QGraphicsSceneMouseEvent *event) {
- privateData()->hasDragged = false;
- ChatItem::mousePressEvent(event);
-}
-
-void ContentsChatItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) {
- if(!event->buttons() && !privateData()->hasDragged) {
- // got a click
- Clickable click = privateData()->currentClickable;
- if(click.isValid()) {
- QString str = data(ChatLineModel::DisplayRole).toString().mid(click.start, click.length);
- switch(click.type) {
+ while (finder.nextWrapColumn(w) > 0)
+ lines++;
+ qreal spacing = qMax(fontMetrics()->lineSpacing(), fontMetrics()->height()); // cope with negative leading()
+ qreal h = lines * spacing;
+ delete _data;
+ _data = nullptr;
+
+ if (w != width() || h != height())
+ setGeometry(w, h);
+
+ return h;
+}
+
+
+void ContentsChatItem::initLayout(QTextLayout *layout) const
+{
+ initLayoutHelper(layout, QTextOption::WrapAtWordBoundaryOrAnywhere);
+ doLayout(layout);
+}
+
+
+void ContentsChatItem::doLayout(QTextLayout *layout) const
+{
+ 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();
+}
+
+
+bool ContentsChatItem::hasActiveClickable() const
+{
+ return privateData()->currentClickable.isValid();
+}
+
+
+std::pair<quint16, quint16> ContentsChatItem::activeClickableRange() const
+{
+ const auto &clickable = privateData()->currentClickable;
+ if (clickable.isValid()) {
+ return {clickable.start(), clickable.start() + clickable.length()};
+ }
+ return {};
+}
+
+
+Clickable ContentsChatItem::clickableAt(const QPointF &pos) const
+{
+ return privateData()->clickables.atCursorPos(posToCursor(pos));
+}
+
+
+UiStyle::FormatList ContentsChatItem::formatList() const
+{
+ UiStyle::FormatList fmtList = ChatItem::formatList();
+ for (size_t i = 0; i < privateData()->clickables.size(); i++) {
+ Clickable click = privateData()->clickables.at(i);
+ if (click.type() == Clickable::Url) {
+ overlayFormat(fmtList, click.start(), click.start() + click.length(), UiStyle::FormatType::Url);
+ }
+ }
+ return fmtList;
+}
+
+
+void ContentsChatItem::endHoverMode()
+{
+ if (privateData()) {
+ if (privateData()->currentClickable.isValid()) {
+ chatLine()->unsetCursor();
+ privateData()->currentClickable = Clickable();
+ }
+ clearWebPreview();
+ chatLine()->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);
+ }
+ }
+ 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);
+ }
+ chatLine()->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 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) {
+ chatLine()->setCursor(Qt::PointingHandCursor);
+ privateData()->currentClickable = click;
+ chatLine()->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:
- if(!str.contains("://"))
- str = "http://" + str;
- QDesktopServices::openUrl(str);
- break;
+ {
+ privateData()->activeClickable = click;
+ auto action = new Action{icon::get("edit-copy"), tr("Copy Link Address"), menu, &_actionProxy, &ActionProxy::copyLinkToClipboard};
+ action->setData(QVariant::fromValue<void *>(this));
+ menu->addAction(action);
+ break;
+ }
case Clickable::Channel:
- // TODO join or whatever...
- break;
+ {
+ // Remove existing menu actions, they confuse us when right-clicking on a clickable
+ menu->clear();
+ 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;
- }
- }
- }
- 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(hasPrivateData() && !privateData()->hasDragged && event->buttons() & Qt::LeftButton
- && (event->buttonDownScreenPos(Qt::LeftButton) - event->screenPos()).manhattanLength() >= QApplication::startDragDistance())
- privateData()->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 < privateData()->clickables.count(); i++) {
- Clickable click = privateData()->clickables.at(i);
- if(idx >= click.start && idx < click.start + click.length) {
- if(click.type == Clickable::Url) {
- onClickable = true;
- 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
- }
- if(onClickable) {
- setCursor(Qt::PointingHandCursor);
- privateData()->currentClickable = click;
- update();
- break;
- }
- }
- }
- if(!onClickable) endHoverMode();
- event->accept();
-}
-
-void ContentsChatItem::showWebPreview(const Clickable &click) {
-#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();
-
- 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);
+ break;
+ }
+ }
+ else {
+ // Buffer-specific actions
+ ChatItem::addActionsToMenu(menu, pos);
+ }
+}
+
+
+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);
+ }
+}
+
+
+/******** WEB PREVIEW *****************************************************************************/
+
+void ContentsChatItem::showWebPreview(const Clickable &click)
+{
+#if !defined HAVE_WEBKIT && !defined HAVE_WEBENGINE
+ 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;
+ qreal height = line.height();
+ qreal y = height * line.lineNumber();
+
+ QPointF topLeft = mapToScene(pos()) + 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);
+
+void ContentsChatItem::clearWebPreview()
+{
+#if defined HAVE_WEBKIT || defined HAVE_WEBENGINE
+ chatScene()->clearWebPreview(this);
#endif
}
+
/*************************************************************************************************/
-ContentsChatItem::WrapColumnFinder::WrapColumnFinder(ChatItem *_item)
- : item(_item),
- layout(0),
+ContentsChatItem::WrapColumnFinder::WrapColumnFinder(const ChatItem *_item)
+ : item(_item),
wrapList(item->data(ChatLineModel::WrapListRole).value<ChatLineModel::WrapList>()),
wordidx(0),
lineCount(0),
{
}
-ContentsChatItem::WrapColumnFinder::~WrapColumnFinder() {
- delete layout;
-}
-
-qint16 ContentsChatItem::WrapColumnFinder::nextWrapColumn() {
- if(wordidx >= wrapList.count())
- return -1;
-
- lineCount++;
- qreal targetWidth = lineCount * item->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()) {
- layout = item->createLayout(QTextOption::NoWrap);
- layout->beginLayout();
- line = layout->createLine();
- layout->endLayout();
- }
- 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 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();
+ }
+ return line.xToCursor(targetWidth, QTextLine::CursorOnCharacter);
}
- qint16 pivot = (end + start) / 2;
- if(wrapList.at(pivot).endX > targetWidth) {
- end = pivot;
- } else {
- start = pivot;
+ 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;
+ Q_ASSERT(false);
+ return -1;
}
+
+/*************************************************************************************************/
projects / quassel.git / blobdiff