Fix RDTreeWidget to allow for checkable items

Author: baldurk

qrenderdoc/Widgets/Extended/RDTreeWidget.cpp

@@ -149,7 +149,7 @@ class RDTreeWidgetModel : public QAbstractItemModel
     if(!index.isValid())
       return 0;
 
-    return QAbstractItemModel::flags(index);
+    return QAbstractItemModel::flags(index) | Qt::ItemIsUserCheckable;
   }
 
   QVariant headerData(int section, Qt::Orientation orientation, int role) const override
@@ -230,6 +230,63 @@ class RDTreeWidgetModel : public QAbstractItemModel
     return QVariant();
   }
 
+  bool setData(const QModelIndex &index, const QVariant &value, int role)
+  {
+    RDTreeWidgetItem *item = itemForIndex(index);
+
+    // invisible root element has no data
+    if(!item->m_parent)
+      return false;
+
+    bool ret = false;
+
+    if(role == Qt::DisplayRole)
+    {
+      if(index.column() < item->m_text.count())
+      {
+        item->m_text[index.column()] = value;
+        ret = true;
+      }
+    }
+    else if(role == Qt::DecorationRole)
+    {
+      if(index.column() < item->m_icons.count())
+      {
+        item->m_icons[index.column()] = value.value<QIcon>();
+        ret = true;
+      }
+    }
+    else if(role == Qt::BackgroundRole)
+    {
+      item->m_back = value.value<QBrush>();
+      ret = true;
+    }
+    else if(role == Qt::ForegroundRole)
+    {
+      item->m_fore = value.value<QBrush>();
+      ret = true;
+    }
+    else if(role == Qt::ToolTipRole && !widget->m_instantTooltips)
+    {
+      item->m_tooltip = value.toString();
+      ret = true;
+    }
+    else if(role == Qt::FontRole)
+    {
+      ret = false;
+    }
+    else
+    {
+      item->setData(index.column(), role, value);
+      ret = true;
+    }
+
+    if(ret)
+      widget->itemDataChanged(item, index.column(), role);
+
+    return ret;
+  }
+
 private:
   RDTreeWidget *widget;
 };

qrenderdoc/Widgets/Extended/RDTreeWidget.h

@@ -111,6 +111,16 @@ class RDTreeWidgetItem
     dataChanged(0, Qt::ToolTipRole);
   }
 
+  inline Qt::CheckState checkState(int column) const
+  {
+    return static_cast<Qt::CheckState>(data(column, Qt::CheckStateRole).toInt());
+  }
+  inline void setCheckState(int column, Qt::CheckState state)
+  {
+    setData(column, Qt::CheckStateRole, static_cast<int>(state));
+    dataChanged(column, Qt::CheckStateRole);
+  }
+
 private:
   friend class RDTreeWidget;
   friend class RDTreeWidgetModel;