Clipboard will no longer be randomly overwritten with an empty string
[quassel.git] / src / qtui / chatitem.cpp
index 5d1bcb7..051151c 100644 (file)
@@ -20,6 +20,7 @@
 
 #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(int col, QAbstractItemModel *model, QGraphicsItem *parent)
+  : QGraphicsItem(parent),
+    _fontMetrics(0),
+    _col(col),
+    _lines(0),
+    _layout(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() {
@@ -43,18 +52,19 @@ ChatItem::~ChatItem() {
 }
 
 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;
@@ -138,11 +148,11 @@ void ChatItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
   Q_UNUSED(option); Q_UNUSED(widget);
   if(!haveLayout()) updateLayout();
   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();
-  } // TODO: add selection format here
+  //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;
@@ -174,20 +184,36 @@ qint16 ChatItem::posToCursor(const QPointF &pos) {
 }
 
 void ChatItem::setFullSelection() {
-  _selectionMode = FullSelection;
-  update();
+  if(_selectionMode != FullSelection) {
+    _selectionMode = FullSelection;
+    update();
+  }
 }
 
 void ChatItem::clearSelection() {
-  _selectionMode = NoSelection;
+  if(_selectionMode != NoSelection) {
+    _selectionMode = NoSelection;
+    update();
+  }
+}
+
+void ChatItem::continueSelecting(const QPointF &pos) {
+  _selectionMode = PartialSelection;
+  _selectionEnd = posToCursor(pos);
   update();
 }
 
 void ChatItem::mousePressEvent(QGraphicsSceneMouseEvent *event) {
-  if(event->buttons() & Qt::LeftButton) {
-    chatScene()->setSelectingItem(this);  // removes earlier selection if exists
-    _selectionStart = _selectionEnd = posToCursor(event->pos());
-    _selectionMode = PartialSelection;
+  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();
@@ -195,28 +221,72 @@ void ChatItem::mousePressEvent(QGraphicsSceneMouseEvent *event) {
 }
 
 void ChatItem::mouseMoveEvent(QGraphicsSceneMouseEvent *event) {
-  if(contains(event->pos())) {
-    _selectionEnd = posToCursor(event->pos());
-    update();
+  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 {
-    setFullSelection();
-    ungrabMouse();
-    chatScene()->startGlobalSelection(this);
+    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::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) {