QtCollider/widgets/QcTreeWidget.h

   1 /************************************************************************
   2 *
   3 * Copyright 2011 Jakob Leben (jakob.leben@gmail.com)
   4 *
   5 * This file is part of SuperCollider Qt GUI.
   6 *
   7 * This program is free software: you can redistribute it and/or modify
   8 * it under the terms of the GNU General Public License as published by
   9 * the Free Software Foundation, either version 3 of the License, or
  10 * (at your option) any later version.
  11 *
  12 * This program is distributed in the hope that it will be useful,
  13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 * GNU General Public License for more details.
  16 *
  17 * You should have received a copy of the GNU General Public License
  18 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 *
  20 ************************************************************************/
  21
  22 #ifndef QC_TREE_WIDGET_H
  23 #define QC_TREE_WIDGET_H
  24
  25 #include "../Common.h"
  26 #include "../QObjectProxy.h"
  27 #include "../safeptr.hpp"
  28
  29 #include <VMGlobals.h>
  30 #include <PyrObject.h>
  31
  32 #include <QTreeWidget>
  33 #include <QTreeWidgetItem>
  34 #include <QApplication>
  35
  36 using namespace QtCollider;
  37
  38 class QcTreeWidget : public QTreeWidget
  39 {
  40 public:
  41
  42   class Item : public QTreeWidgetItem
  43   {
  44   public:
  45     enum { Type = QTreeWidgetItem::UserType };
  46     Item()
  47       : QTreeWidgetItem( Item::Type ), _safePtr(this) {}
  48     Item( const QStringList & strings )
  49       : QTreeWidgetItem( strings, Item::Type ), _safePtr(this) {}
  50     ~Item() { _safePtr.invalidate(); }
  51     SafePtr<Item> safePtr() const { return _safePtr; }
  52     static SafePtr<Item> safePtr( QTreeWidgetItem* );
  53     static void initialize( VMGlobals *, PyrObject *, const SafePtr<Item> & );
  54     static int finalize( VMGlobals *, PyrObject * );
  55     bool operator< ( const QTreeWidgetItem & other ) const;
  56   private:
  57     SafePtr<Item> _safePtr;
  58   };
  59
  60   typedef SafePtr<Item> ItemPtr;
  61
  62   Q_OBJECT
  63   Q_PROPERTY( VariantList columns READ columns WRITE setColumns )
  64   Q_PROPERTY( QcTreeWidget::ItemPtr currentItem READ currentItem WRITE setCurrentItem );
  65
  66 public:
  67
  68   Q_INVOKABLE QcTreeWidget::ItemPtr item( const QcTreeWidget::ItemPtr & parent, int index );
  69   Q_INVOKABLE QcTreeWidget::ItemPtr parentItem( const QcTreeWidget::ItemPtr & );
  70   Q_INVOKABLE int indexOfItem( const QcTreeWidget::ItemPtr & );
  71
  72   Q_INVOKABLE QcTreeWidget::ItemPtr addItem
  73   ( const QcTreeWidget::ItemPtr & parent, const VariantList & data );
  74
  75   Q_INVOKABLE QcTreeWidget::ItemPtr insertItem
  76   ( const QcTreeWidget::ItemPtr & parent, int index, const VariantList & data );
  77
  78   Q_INVOKABLE void removeItem( const QcTreeWidget::ItemPtr & );
  79
  80   Q_INVOKABLE VariantList strings( const QcTreeWidget::ItemPtr & );
  81   Q_INVOKABLE void setText( const QcTreeWidget::ItemPtr &, int column, const QString & );
  82   Q_INVOKABLE void setColor( const QcTreeWidget::ItemPtr &, int column, const QColor & );
  83   Q_INVOKABLE void setTextColor( const QcTreeWidget::ItemPtr &, int column, const QColor & );
  84
  85   Q_INVOKABLE QWidget * itemWidget( const QcTreeWidget::ItemPtr &, int column );
  86   Q_INVOKABLE void setItemWidget( const QcTreeWidget::ItemPtr &, int column, QObjectProxy * );
  87   Q_INVOKABLE void removeItemWidget( const QcTreeWidget::ItemPtr &, int column );
  88
  89   Q_INVOKABLE void sort( int column, bool descending );
  90
  91 Q_SIGNALS:
  92
  93   void action();
  94   void itemPressedAction();
  95   void currentItemChanged();
  96
  97 public:
  98
  99   QcTreeWidget();
 100
 101   ItemPtr currentItem() const;
 102   void setCurrentItem( const ItemPtr & );
 103
 104   VariantList columns() const;
 105   void setColumns( const VariantList & );
 106
 107 protected:
 108
 109   virtual void keyPressEvent( QKeyEvent * );
 110
 111 private:
 112
 113   QTreeWidgetItem * _itemOnPress;
 114   bool _emitAction;
 115 };
 116
 117 Q_DECLARE_METATYPE( QcTreeWidget::ItemPtr );
 118
 119 #endif