Working, but drawing is not perfect

companion/src/modeledit/mixerslist.cpp

@@ -8,8 +8,10 @@ MixersList::MixersList(QWidget *parent, bool expo) :
     setContextMenuPolicy(Qt::CustomContextMenu);
     setSelectionMode(QAbstractItemView::SingleSelection);
     setDragEnabled(true);
-    setAcceptDrops(true);
+    //setDragDropMode(QAbstractItemView::InternalMove);
+    viewport()->setAcceptDrops(true);
     setDropIndicatorShown(true);
+    setItemDelegate(new MixersDelegate(parent));
 }
 
 void MixersList::keyPressEvent(QKeyEvent *event)
@@ -19,6 +21,7 @@ void MixersList::keyPressEvent(QKeyEvent *event)
 
 bool MixersList::dropMimeData( int index, const QMimeData * data, Qt::DropAction action )
 {    
+    qDebug() << "MixersList::dropMimeData() " << index << data->formats();
     QByteArray dropData = data->data("application/x-qabstractitemmodeldatalist");
     QDataStream stream(&dropData, QIODevice::ReadOnly);
     QByteArray qba;
@@ -31,8 +34,8 @@ bool MixersList::dropMimeData( int index, const QMimeData * data, Qt::DropAction
         QList<QVariant> lsVars;
         lsVars = v.values();
         QString itemString = lsVars.at(0).toString();
-        qba.append(lsVars.at(1).toByteArray().mid(1));
+        qba.append(lsVars.last().toByteArray().mid(1));
-
+        qDebug() << "MixersList::dropMimeData() added data " << lsVars;
         if(itemString.isEmpty()) {};
     }
 
@@ -52,3 +55,130 @@ bool MixersList::dropMimeData( int index, const QMimeData * data, Qt::DropAction
 }
 
 
+void MixersList::mousePressEvent(QMouseEvent *event)
+{
+    qDebug() << "MixersList::mousePressEvent" ;
+    QListWidgetItem *item = currentItem();
+    if (item) {
+        qDebug() << "MixersList::mousePressEvent" << item->text();    
+    }
+    if (event->button() == Qt::LeftButton)
+    {
+        //startPos = event->pos();
+    }
+    QListWidget::mousePressEvent(event);
+ 
+}
+
+#define QFIXED_MAX (INT_MAX/256)
+
+QRect __textLayoutBounds(const QStyleOptionViewItemV2 &option)
+{
+    QRect rect = option.rect;
+    const bool wrapText = option.features & QStyleOptionViewItemV2::WrapText;
+    switch (option.decorationPosition) {
+    case QStyleOptionViewItem::Left:
+    case QStyleOptionViewItem::Right:
+        rect.setWidth(wrapText && rect.isValid() ? rect.width() : (QFIXED_MAX));
+        break;
+    case QStyleOptionViewItem::Top:
+    case QStyleOptionViewItem::Bottom:
+        rect.setWidth(wrapText ? option.decorationSize.width() : (QFIXED_MAX));
+        break;
+    }
+
+    return rect;
+}
+
+void MixersDelegate::paint(QPainter *painter,
+                          const QStyleOptionViewItem &option,
+                          const QModelIndex &index) const
+{
+    //Q_D(const QItemDelegate);
+    Q_ASSERT(index.isValid());
+
+    QStyleOptionViewItemV4 opt = setOptions(index, option);
+    //qDebug() << "MixersDelegate::paint" << opt.rect;
+
+    const QStyleOptionViewItemV2 *v2 = qstyleoption_cast<const QStyleOptionViewItemV2 *>(&option);
+    opt.features = v2 ? v2->features
+                    : QStyleOptionViewItemV2::ViewItemFeatures(QStyleOptionViewItemV2::None);
+    const QStyleOptionViewItemV3 *v3 = qstyleoption_cast<const QStyleOptionViewItemV3 *>(&option);
+    opt.locale = v3 ? v3->locale : QLocale();
+    opt.widget = v3 ? v3->widget : 0;
+
+    // prepare
+    painter->save();
+    if (false /*d->clipPainting*/)
+        painter->setClipRect(opt.rect);
+
+    // get the data and the rectangles
+
+    QVariant value;
+
+
+    QString text;
+    QRect displayRect;
+    value = index.data(Qt::DisplayRole);
+    if (value.isValid() && !value.isNull()) {
+        text = value.toString();
+        displayRect = textRectangle(painter, __textLayoutBounds(opt), opt.font, text);
+    }
+
+    QRect checkRect;
+    Qt::CheckState checkState = Qt::Unchecked;
+    value = index.data(Qt::CheckStateRole);
+    if (value.isValid()) {
+        checkState = static_cast<Qt::CheckState>(value.toInt());
+        checkRect = check(opt, opt.rect, value);
+    }
+
+    // do the layout
+    QRect dummy;
+    
+
+
+    doLayout(opt, &checkRect, &dummy, &displayRect, false);
+
+    // draw the item
+
+    drawBackground(painter, opt, index);
+    drawCheck(painter, opt, checkRect, checkState);
+    //drawDecoration(painter, opt, decorationRect, pixmap);
+    drawDisplay(painter, opt, displayRect, text);
+    drawFocus(painter, opt, displayRect);
+
+    // done
+    painter->restore();
+}
+
+void MixersDelegate::drawDisplay(QPainter *painter, const QStyleOptionViewItem &option,
+                                const QRect &rect, const QString &text) const
+{
+
+    painter->save();
+
+    QTextDocument doc;
+    doc.setHtml(text);
+    doc.setDefaultFont(option.font);
+
+    painter->translate(rect.left(), rect.top());
+    QRect clip(0, 0, rect.width(), rect.height());
+    doc.drawContents(painter, clip);
+
+    painter->restore();
+}
+
+
+
+// QSize MixersDelegate::sizeHint ( const QStyleOptionViewItem & option, const QModelIndex & index ) const
+// {
+//     QStyleOptionViewItemV4 options = option;
+//     initStyleOption(&options, index);
+
+//     QTextDocument doc;
+//     doc.setHtml(options.text);
+//     doc.setDefaultFont(option.font);
+//     doc.setTextWidth(options.rect.width());
+//     return QSize(doc.idealWidth(), doc.size().height());
+// }

companion/src/modeledit/mixerslist.h

@@ -22,6 +22,23 @@ class MixersList : public QListWidget
     QPoint dragStartPosition;
     bool expo;
 
+  protected:
+    void mousePressEvent(QMouseEvent *event);
+
 };
 
+class MixersDelegate : public QItemDelegate
+{
+    Q_OBJECT
+  public:
+    inline MixersDelegate(QObject *parent) : QItemDelegate(parent) {}
+
+    void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const;
+    void drawDisplay(QPainter *painter, const QStyleOptionViewItem &option,
+                                const QRect &rect, const QString &text) const ;
+    //QSize sizeHint ( const QStyleOptionViewItem & option, const QModelIndex & index ) const;
+
+};
+
+
 #endif // MIXERSLIST_H

companion/src/modeledit/mixes.cpp

@@ -79,7 +79,7 @@ void MixesPanel::update()
       curDest++;
       AddMixerLine(-curDest);
     }
-    if (AddMixerLine(i)) {
+    if (AddMixerLine(i, md)) {
       curDest++;
     }
   }
@@ -92,12 +92,17 @@ void MixesPanel::update()
 
 #define MIX_ROW_HEIGHT_INCREASE     8   //how much space is added above mixer row (for new channel), if 0 space adding is disabled
 
-bool MixesPanel::AddMixerLine(int dest)
+bool MixesPanel::AddMixerLine(int dest, const MixData * md)
 {
   bool new_ch;
   QString str = getMixerText(dest, &new_ch);
   QListWidgetItem *itm = new QListWidgetItem();
-  itm->setData(Qt::UserRole, QByteArray(1, (quint8)dest));  
+  QByteArray qba(1, (quint8)dest);
+  if (md) {
+    qba.append((const char*)md, sizeof(MixData));
+    //qDebug() << "appended mixdata for dest: " << dest;
+  }
+  itm->setData(Qt::UserRole, qba);  
 #if MIX_ROW_HEIGHT_INCREASE > 0
   if ((new_ch && (dest > 0)) || (dest < 0)) {
     //increase size of this row
@@ -107,8 +112,11 @@ bool MixesPanel::AddMixerLine(int dest)
   }
 #endif
   MixerlistWidget->addItem(itm);
-  MixerlistWidget->setItemWidget(itm, getMixerWidget(str));
+  itm->setText(str);
-  // qDebug() << "MixesPanel::AddMixerLine(): " << str;
+  // if ((new_ch && (dest > 0)) || (dest < 0)) {
+  //   MixerlistWidget->setItemWidget(itm, getMixerWidget(str));
+  // }
+  //qDebug() << "MixesPanel::AddMixerLine(): " << str;
   return new_ch;
 }
 
@@ -121,6 +129,8 @@ QWidget * MixesPanel::getMixerWidget(const QString & mixer_text)
   QString formated_str(mixer_text);
   formated_str.replace(" ", "&nbsp;");
   l->setText(formated_str);
+  l->setAcceptDrops(true);
+  //l->setAutoFillBackground(true);
   return l;
 }
 
@@ -347,6 +357,7 @@ void MixesPanel::mixersCopy()
 
 void MixesPanel::pasteMixerMimeData(const QMimeData * mimeData, int destIdx)
 {
+  qDebug() << "void MixesPanel::pasteMixerMimeData" << mimeData->formats();
   if(mimeData->hasFormat("application/x-companion-mix")) {
     int idx; // mixer index
     int dch;
@@ -427,8 +438,8 @@ void MixesPanel::mixerHighlight()
   for(int i=0; i<MixerlistWidget->count(); i++) {
     int t = MixerlistWidget->item(i)->data(Qt::UserRole).toByteArray().at(0);
     bool dummy;
-    QWidget *w = getMixerWidget(getMixerText(t, &dummy));
+    //QWidget *w = getMixerWidget();
-    MixerlistWidget->setItemWidget(MixerlistWidget->item(i), w);
+    MixerlistWidget->item(i)->setText(getMixerText(t, &dummy));
   }
 }
 
@@ -483,6 +494,7 @@ void MixesPanel::mixerlistWidget_customContextMenuRequested(QPoint pos)
 void MixesPanel::mimeMixerDropped(int index, const QMimeData *data, Qt::DropAction /*action*/)
 {
     int idx= MixerlistWidget->item(index > 0 ? index-1 : 0)->data(Qt::UserRole).toByteArray().at(0);
+    qDebug() << "MixesPanel::mimeMixerDropped()" << index << data;
     pasteMixerMimeData(data, idx);
 }
 

companion/src/modeledit/mixes.h

@@ -53,7 +53,7 @@ class MixesPanel : public ModelPanel
     QList<int> createMixListFromSelected();
     void setSelectedByMixList(QList<int> list);
     QString getChannelLabel(int curDest);
-    bool AddMixerLine(int dest);
+    bool AddMixerLine(int dest, const MixData * md = 0);
     QString getMixerText(int dest, bool * new_ch);
     QWidget * getMixerWidget(const QString & mixer_text);
 };