X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fqtui%2Fchatitem.cpp;h=d7a14ff34af86c8fedb816237fd33e60721f3764;hp=0920f77e7ce873f15edb97d9c672c27ae9722d21;hb=a117d3bd1592bae3b14630c953790a005b3c3a3d;hpb=f9aad45f24ef4e0bdaf78240777edff6651abf80

diff --git a/src/qtui/chatitem.cpp b/src/qtui/chatitem.cpp
index 0920f77e..d7a14ff3 100644
--- a/src/qtui/chatitem.cpp
+++ b/src/qtui/chatitem.cpp
@@ -18,106 +18,74 @@
  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  ***************************************************************************/
 
+#include <QApplication>
+#include <QClipboard>
+#include <QDesktopServices>
 #include <QFontMetrics>
 #include <QGraphicsSceneMouseEvent>
 #include <QPainter>
+#include <QPalette>
 #include <QTextLayout>
 
 #include "chatitem.h"
 #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;
+ChatItem::ChatItem(int col, QAbstractItemModel *model, QGraphicsItem *parent)
+  : QGraphicsItem(parent),
+    _fontMetrics(0),
+    _col(col),
+    _lines(0),
+    _layoutData(0),
+    _selectionMode(NoSelection),
+    _selectionStart(-1)
+{
+  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);
 }
 
 ChatItem::~ChatItem() {
-
+  delete _layoutData;
 }
 
 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);
 }
 
-int ChatItem::setWidth(int w) {
-  w -= 10;
+qreal ChatItem::setGeometry(qreal w, qreal h) {
   if(w == _boundingRect.width()) return _boundingRect.height();
+  prepareGeometryChange();
   _boundingRect.setWidth(w);
-  int h = heightForWidth(w);
+  if(h < 0) h = computeHeight();
   _boundingRect.setHeight(h);
   if(haveLayout()) updateLayout();
   return h;
 }
 
-int ChatItem::heightForWidth(int width) {
+qreal ChatItem::computeHeight() {
   if(data(ChatLineModel::ColumnTypeRole).toUInt() != ChatLineModel::ContentsColumn)
     return fontMetrics()->lineSpacing(); // only contents can be multi-line
 
   _lines = 1;
-  QTextLine line;
   WrapColumnFinder finder(this);
-  while(finder.nextWrapColumn(line) > 0) _lines++;
+  while(finder.nextWrapColumn() > 0) _lines++;
   return _lines * fontMetrics()->lineSpacing();
 }
 
-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;
-}
-
-ChatItem::WrapColumnFinder::~WrapColumnFinder() {
-  delete layout;
-}
-
-int ChatItem::WrapColumnFinder::nextWrapColumn(QTextLine &line) {
-  while(wordidx < wrapList.count()) {
-    w += wrapList.at(wordidx).width;
-    if(w >= item->width()) {
-      if(lastwrapcol == wrapList.at(wordidx).start) {
-        // first word, and it doesn't fit
-        if(!line.isValid()) {
-          layout = item->createLayout();
-          layout->beginLayout();
-          line = layout->createLine();
-          line.setLineWidth(item->width());
-          layout->endLayout();
-        }
-        int idx = line.xToCursor((line.textStart() ? 0 : lastwrappos) + item->width());
-        qreal x = line.cursorToX(idx);
-        idx += line.textStart();
-        w = w - x - wrapList.at(wordidx).width;
-        if(line.textStart()) lastwrappos += x;
-        else lastwrappos = x;
-        lastwrapcol = idx;
-        return idx;
-      }
-      // not the first word, so just wrap before this
-      lastwrapcol = wrapList.at(wordidx).start;
-      lastwrappos = lastwrappos + w - wrapList.at(wordidx).width;
-      w = 0;
-      return lastwrapcol;
-    }
-    w += wrapList.at(wordidx).trailing;
-    wordidx++;
-  }
-  return -1;
-}
-
-QTextLayout *ChatItem::createLayout() {
+QTextLayout *ChatItem::createLayout(QTextOption::WrapMode wrapMode, Qt::Alignment alignment) {
   QTextLayout *layout = new QTextLayout(data(MessageModel::DisplayRole).toString());
 
   QTextOption option;
-  option.setWrapMode(QTextOption::WrapAnywhere);
+  option.setWrapMode(wrapMode);
+  option.setAlignment(alignment);
   layout->setTextOption(option);
 
   QList<QTextLayout::FormatRange> formatRanges
@@ -126,107 +94,278 @@ QTextLayout *ChatItem::createLayout() {
   return layout;
 }
 
-void ChatItem::updateLayout() {
-  if(!haveLayout()) _layout = createLayout();
-
-  // Now layout
-  ChatLineModel::WrapList wrapList = data(ChatLineModel::WrapListRole).value<ChatLineModel::WrapList>();
-  if(!wrapList.count()) return; // empty chatitem
-  int wordidx = 0;
-  ChatLineModel::Word word = wrapList.at(0);
+void ChatItem::setLayout(QTextLayout *layout) {
+  if(!_layoutData)
+    _layoutData = new LayoutData;
+  _layoutData->layout = layout;
+}
 
-  qreal h = 0;
-  WrapColumnFinder finder(this);
-  _layout->beginLayout();
-  forever {
-    QTextLine line = _layout->createLine();
-    if (!line.isValid())
+void ChatItem::updateLayout() {
+  switch(data(ChatLineModel::ColumnTypeRole).toUInt()) {
+    case ChatLineModel::TimestampColumn:
+      if(!haveLayout()) setLayout(createLayout(QTextOption::WrapAnywhere, Qt::AlignLeft));
+      // fallthrough
+    case ChatLineModel::SenderColumn:
+      if(!haveLayout()) setLayout(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()) setLayout(createLayout(QTextOption::WrapAnywhere));
+
+      // Now layout
+      ChatLineModel::WrapList wrapList = data(ChatLineModel::WrapListRole).value<ChatLineModel::WrapList>();
+      if(!wrapList.count()) return; // empty chatitem
 
-    int col = finder.nextWrapColumn(line);
-    line.setNumColumns(col >= 0 ? col - line.textStart() : _layout->text().length());
+      qreal h = 0;
+      WrapColumnFinder finder(this);
+      layout()->beginLayout();
+      forever {
+        QTextLine line = layout()->createLine();
+        if(!line.isValid())
+          break;
 
-    h += fontMetrics()->leading();
-    line.setPosition(QPointF(0, h));
-    h += line.height();
+        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;
   }
-  _layout->endLayout();
 }
 
-void ChatItem::clearLayout() {
-  delete _layout;
-  _layout = 0;
+void ChatItem::clearLayoutData() {
+  delete _layoutData;
+  _layoutData = 0;
 }
 
-//int ChatItem::findNextWrapColumn(
-
+// 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(!haveLayout()) updateLayout();
-  _layout->draw(painter, QPointF(0,0), QVector<QTextLayout::FormatRange>(), boundingRect());
-  painter->drawRect(boundingRect());
-  int width = 0;
-  QVariantList wrapList = data(ChatLineModel::WrapListRole).toList();
-  for(int i = 2; i < wrapList.count(); i+=2) {
-    QRect r(wrapList[i-1].toUInt(), 0, wrapList[i+1].toUInt() - wrapList[i-1].toUInt(), fontMetrics()->lineSpacing());
-    painter->drawRect(r);
+  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;
+  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);
   }
+  layout()->draw(painter, QPointF(0,0), formats, boundingRect());
 }
 
-
-/*
-void ChatItem::layout() {
-  if(!_layout.additionalFormats().count()) return; // no text set
-  if(_width <= 0) return;
-  prepareGeometryChange();
-  QFontMetrics metrics(_layout.additionalFormats()[0].format.font());
-  int leading = metrics.leading();
-  int height = 0;
-  _layout.setTextOption(textOption());
-  _layout.beginLayout();
-  while(1) {
-    QTextLine line = _layout.createLine();
-    if(!line.isValid()) break;
-    line.setLineWidth(_width);
-    if(textOption().wrapMode() != QTextOption::NoWrap && line.naturalTextWidth() > _width) {
-      // word did not fit, we need to wrap it in the middle
-      // this is a workaround for Qt failing to handle WrapAtWordBoundaryOrAnywhere correctly
-      QTextOption::WrapMode mode = textOption().wrapMode();
-      textOption().setWrapMode(QTextOption::WrapAnywhere);
-      _layout.setTextOption(textOption());
-      line.setLineWidth(_width);
-      textOption().setWrapMode(mode);
-      _layout.setTextOption(textOption());
+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);
+    if(pos.y() >= line.y()) {
+      return line.xToCursor(pos.x(), QTextLine::CursorOnCharacter);
     }
-    height += leading;
-    line.setPosition(QPoint(0, height));
-    height += line.height();
   }
-  _layout.endLayout();
+  return 0;
+}
+
+void ChatItem::setFullSelection() {
+  if(_selectionMode != FullSelection) {
+    _selectionMode = FullSelection;
+    update();
+  }
+}
+
+void ChatItem::clearSelection() {
+  if(_selectionMode != NoSelection) {
+    _selectionMode = NoSelection;
+    update();
+  }
+}
+
+void ChatItem::continueSelecting(const QPointF &pos) {
+  _selectionMode = PartialSelection;
+  _selectionEnd = posToCursor(pos);
   update();
-}    QDateTime _timestamp;
-    MsgId _msgId;
+}
 
+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);
+  }
 
-QRectF ChatItem::boundingRect() const {
-  return _layout.boundingRect();
+  if(!haveLayout())
+    updateLayout();
+
+  Q_ASSERT(_layout);
+  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::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) {
-  Q_UNUSED(option); Q_UNUSED(widget);
-  _layout.draw(painter, QPointF(0, 0));
 
+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();
+    }
+    event->accept();
+  } else {
+    event->ignore();
+  }
 }
-*/
 
-/*
-void ChatItem::mouseMoveEvent ( QGraphicsSceneMouseEvent * event ) {
-  qDebug() << (void*)this << "moving" << event->pos();
-  if(event->pos().y() < 0) {
-    QTextCursor cursor(document());
-    //cursor.insertText("foo");
-    //cursor.select(QTextCursor::Document);
+void ChatItem::mouseMoveEvent(QGraphicsSceneMouseEvent *event) {
+  if(event->buttons() == Qt::LeftButton) {
+    if(contains(event->pos())) {
+      qint16 end = posToCursor(event->pos());
+      if(end != _selectionEnd) {
+        _selectionEnd = end;
+        if(_selectionStart != _selectionEnd) _selectionMode = PartialSelection;
+        else _selectionMode = NoSelection;
+        update();
+      }
+    } else {
+      setFullSelection();
+      chatScene()->startGlobalSelection(this, event->pos());
+    }
+    event->accept();
+  } else {
     event->ignore();
-  } else QGraphicsTextItem::mouseMoveEvent(event);
+  }
+}
+
+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::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event) {
+  // FIXME dirty and fast hack to make http:// urls klickable
+
+  QRegExp regex("\\b([hf]t{1,2}ps?://[^\\s]+)\\b");
+  QString str = data(ChatLineModel::DisplayRole).toString();
+  int idx = posToCursor(event->pos());
+  int mi = 0;
+  do {
+    mi = regex.indexIn(str, mi);
+    if(mi < 0) break;
+    if(idx >= mi && idx < mi + regex.matchedLength()) {
+      QDesktopServices::openUrl(QUrl(regex.capturedTexts()[1]));
+      break;
+    }
+    mi += regex.matchedLength();
+  } while(mi >= 0);
+  event->accept();
+}
+
+void ChatItem::hoverEnterEvent(QGraphicsSceneHoverEvent *event) {
+  //qDebug() << (void*)this << "entering";
+  event->ignore();
+}
+
+void ChatItem::hoverLeaveEvent(QGraphicsSceneHoverEvent *event) {
+  //qDebug() << (void*)this << "leaving";
+  event->ignore();
+}
+
+void ChatItem::hoverMoveEvent(QGraphicsSceneHoverEvent *event) {
+  //qDebug() << (void*)this << event->pos();
+  event->ignore();
+}
+
+
+/*************************************************************************************************/
+
+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;
+}
+
+ChatItem::WrapColumnFinder::~WrapColumnFinder() {
+  delete layout;
+}
+
+qint16 ChatItem::WrapColumnFinder::nextWrapColumn() {
+  while(wordidx < wrapList.count()) {
+    w += wrapList.at(wordidx).width;
+    if(w >= item->width()) {
+      if(lastwrapcol >= wrapList.at(wordidx).start) {
+        // first word, and it doesn't fit
+        if(!line.isValid()) {
+          layout = item->createLayout(QTextOption::NoWrap);
+          layout->beginLayout();
+          line = layout->createLine();
+          line.setLineWidth(item->width());
+          layout->endLayout();
+        }
+        int idx = line.xToCursor(lastwrappos + item->width(), QTextLine::CursorOnCharacter);
+        qreal x = line.cursorToX(idx, QTextLine::Trailing);
+        w = w - wrapList.at(wordidx).width - (x - lastwrappos);
+        lastwrappos = x;
+        lastwrapcol = idx;
+        return idx;
+      }
+      // not the first word, so just wrap before this
+      lastwrapcol = wrapList.at(wordidx).start;
+      lastwrappos = lastwrappos + w - wrapList.at(wordidx).width;
+      w = 0;
+      return lastwrapcol;
+    }
+    w += wrapList.at(wordidx).trailing;
+    wordidx++;
+  }
+  return -1;
 }
-*/