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//-*-C++-*-
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/*
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**************************************************************************
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description
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--------------------
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copyright : (C) 2000-2003 by Andreas Zehender
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email : zehender@kde.org
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**************************************************************************
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**************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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**************************************************************************/
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#ifndef PMTREEVIEW_H
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#define PMTREEVIEW_H
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <tqlistview.h>
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#include "pmobject.h"
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#include "pmviewbase.h"
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#include "pmviewfactory.h"
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class PMTreeViewItem;
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class PMPart;
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/**
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* Wrapper class for the treeview/dock widget
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*/
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class PMTreeViewWidget : public PMViewBase
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{
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public:
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/**
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* Default constructor
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*/
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PMTreeViewWidget( PMPart* pare, TQWidget* tqparent, const char* name = 0 );
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/** */
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virtual TQString viewType( ) const { return TQString( "treeview" ); }
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/** */
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virtual TQString description( ) const;
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};
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/**
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* Widget that displays the scene as tree view
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*/
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class PMTreeView : public TQListView
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{
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Q_OBJECT
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TQ_OBJECT
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friend class PMTreeViewItem;
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public:
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/**
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* Creates a PMTreeView with tqparent and name that displays the
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* document doc
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*/
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PMTreeView( PMPart* part, TQWidget* tqparent = 0, const char* name = 0 );
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/**
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* Deletes the PMTreeView
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*/
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~PMTreeView( );
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/**
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* Returns true PMTreeViewItem::setSelected should be accepted
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*/
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bool acceptSelect( ) const { return m_acceptSelect; }
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/**
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* Returns the connected part
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*/
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PMPart* part( ) const { return m_pPart; }
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public slots:
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/**
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* Called when an object is changed.
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* @see PMPart::objectChanged( ) */
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void slotObjectChanged( PMObject* obj, const int mode, TQObject* sender );
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/**
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* Refreshes the whole csg tree
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*/
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void slotRefresh( );
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/**
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* Clears all data
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*/
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void slotClear( );
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signals:
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/**
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* Emitted, when an object is selected or deselected
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*/
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void objectChanged( PMObject* obj, const int mode, TQObject* sender );
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/**
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* Emitted in the destructor
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*/
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void destroyed( PMTreeView* v );
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protected:
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void contentsMousePressEvent( TQMouseEvent * e );
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void contentsMouseMoveEvent( TQMouseEvent * e );
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void itemSelected( PMTreeViewItem* item, bool selected );
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void viewportMousePressEvent( TQMouseEvent * e );
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void viewportMouseReleaseEvent( TQMouseEvent* e );
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void viewportMouseMoveEvent( TQMouseEvent* e );
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void viewportDragMoveEvent( TQDragMoveEvent *e );
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void viewportDragEnterEvent( TQDragEnterEvent *e );
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void viewportDragLeaveEvent( TQDragLeaveEvent* e );
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void viewportDropEvent( TQDropEvent* e );
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void focusOutEvent( TQFocusEvent* e );
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void focusInEvent( TQFocusEvent* e );
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void keyPressEvent( TQKeyEvent* e );
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private:
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/**
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* Adds child items of item to the tree view
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*/
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void addChildItems( PMTreeViewItem* item );
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/**
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* Returns the ListViewItem connected with the PMObject obj
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*/
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PMTreeViewItem* findObject( const PMObject* obj );
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/**
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* Selects the item. Expands the tree if necessary
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*/
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void selectItem( TQListViewItem* item );
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/**
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* Returns true if the drop target is a tree view for the same part
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*/
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bool targetDisplaysPart( TQWidget* target );
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/**
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* the displayed document
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*/
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PMPart* m_pPart;
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/**
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* the selected items
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*/
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// TQPtrList<PMTreeViewItem> m_selectedItems;
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PMTreeViewItem* m_pLastSelected;
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bool m_itemSelected;
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bool m_itemDeselected;
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bool m_selectionCleared;
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bool m_event;
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bool m_acceptSelect;
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bool m_selectOnReleaseEvent;
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PMTreeViewItem* m_pDragOverItem;
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// TQStringList m_lstDropFormats;
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// for drag and drop, copied from KonqBaseListViewWidget
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bool m_pressed;
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TQPoint m_pressedPos;
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PMTreeViewItem* m_pressedItem;
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};
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/**
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* Factory class for the tree view
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*/
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class PMTreeViewFactory : public PMViewTypeFactory
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{
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public:
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PMTreeViewFactory( ) { }
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virtual TQString viewType( ) const { return TQString( "treeview" ); }
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virtual TQString description( ) const;
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virtual TQString iconName( ) const { return TQString( "pmtreeview" ); }
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virtual PMViewBase* newInstance( TQWidget* tqparent, PMPart* part ) const
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{
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return new PMTreeViewWidget( part, tqparent );
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}
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};
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#endif
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