X-Git-Url: https://git.quassel-irc.org/?a=blobdiff_plain;ds=sidebyside;f=src%2Fqtui%2Fchatitem.cpp;h=a087d6cd49b5578b31d2a031e608e8ce26862647;hb=600a710adeb06ed9dfbda52243255e11bbf811c5;hp=6a9b14369eb33d520e51a39a1b4d4a7ffaa9f85a;hpb=603763515d61fc1cd3febbfd7c3268d5216df768;p=quassel.git

diff --git a/src/qtui/chatitem.cpp b/src/qtui/chatitem.cpp
index 6a9b1436..a087d6cd 100644
--- a/src/qtui/chatitem.cpp
+++ b/src/qtui/chatitem.cpp
@@ -34,9 +34,9 @@
 ChatItem::ChatItem(ChatLineModel::ColumnType col, QAbstractItemModel *model, QGraphicsItem *parent)
   : QGraphicsItem(parent),
     _fontMetrics(0),
-    _layoutData(0),
     _selectionMode(NoSelection),
-    _selectionStart(-1)
+    _selectionStart(-1),
+    _layout(0)
 {
   Q_ASSERT(model);
   QModelIndex index = model->index(row(), col);
@@ -46,7 +46,7 @@ ChatItem::ChatItem(ChatLineModel::ColumnType col, QAbstractItemModel *model, QGr
 }
 
 ChatItem::~ChatItem() {
-  delete _layoutData;
+  delete _layout;
 }
 
 QVariant ChatItem::data(int role) const {
@@ -86,12 +86,6 @@ QTextLayout *ChatItem::createLayout(QTextOption::WrapMode wrapMode, Qt::Alignmen
   return layout;
 }
 
-void ChatItem::setLayout(QTextLayout *layout) {
-  if(!_layoutData)
-    _layoutData = new LayoutData;
-  _layoutData->layout = layout;
-}
-
 void ChatItem::updateLayout() {
   if(!haveLayout())
     setLayout(createLayout(QTextOption::WrapAnywhere, Qt::AlignLeft));
@@ -105,9 +99,9 @@ void ChatItem::updateLayout() {
   layout()->endLayout();
 }
 
-void ChatItem::clearLayoutData() {
-  delete _layoutData;
-  _layoutData = 0;
+void ChatItem::clearLayout() {
+  delete _layout;
+  _layout = 0;
 }
 
 // NOTE: This is not the most time-efficient implementation, but it saves space by not caching unnecessary data
@@ -121,7 +115,7 @@ void ChatItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
     //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));
@@ -159,10 +153,8 @@ void ChatItem::setFullSelection() {
 }
 
 void ChatItem::clearSelection() {
-  if(_selectionMode != NoSelection) {
-    _selectionMode = NoSelection;
-    update();
-  }
+  _selectionMode = NoSelection;
+  update();
 }
 
 void ChatItem::continueSelecting(const QPointF &pos) {
@@ -199,18 +191,12 @@ QList<QRectF> ChatItem::findWords(const QString &searchWord, Qt::CaseSensitivity
   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();
-    }
+    chatScene()->setSelectingItem(this);
+    _selectionStart = _selectionEnd = posToCursor(event->pos());
+    _selectionMode = NoSelection; // will be set to PartialSelection by mouseMoveEvent
+    update();
     event->accept();
   } else {
     event->ignore();
@@ -223,8 +209,7 @@ void ChatItem::mouseMoveEvent(QGraphicsSceneMouseEvent *event) {
       qint16 end = posToCursor(event->pos());
       if(end != _selectionEnd) {
         _selectionEnd = end;
-        if(_selectionStart != _selectionEnd) _selectionMode = PartialSelection;
-        else _selectionMode = NoSelection;
+        _selectionMode = (_selectionStart != _selectionEnd ? PartialSelection : NoSelection);
         update();
       }
     } else {
@@ -249,40 +234,6 @@ void ChatItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) {
   }
 }
 
-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();
-}
-
 /*************************************************************************************************/
 
 /*************************************************************************************************/
@@ -294,6 +245,16 @@ void SenderChatItem::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);
@@ -301,6 +262,21 @@ qreal ContentsChatItem::computeHeight() {
   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));
 
@@ -319,21 +295,172 @@ void ContentsChatItem::updateLayout() {
     int col = finder.nextWrapColumn();
     line.setNumColumns(col >= 0 ? col - line.textStart() : layout()->text().length());
     line.setPosition(QPointF(0, h));
-    h += line.height() + fontMetrics()->leading();
+    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() {
+  // 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;
+}
+
+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();
+}
 
 /*************************************************************************************************/
 
-ContentsChatItem::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)
+{
 }
 
 ContentsChatItem::WrapColumnFinder::~WrapColumnFinder() {