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193 lines
6.5 KiB
193 lines
6.5 KiB
/***************************************************************************
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* Copyright (C) 2003-2005 by David Saxton *
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* david@bluehaze.org *
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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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#ifndef CNITEM_H
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#define CNITEM_H
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#include "item.h"
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#include "ciwidgetmgr.h"
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class Button;
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class CNItem;
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class ICNDocument;
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class Connector;
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class DoubleSpinBox;
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class LibraryItem;
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class Node;
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class TQSlider;
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class TQString;
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class TQToolButton;
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class TQWMatrix;
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class Slider;
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class Text;
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class NodeInfo
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{
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public:
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NodeInfo();
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TQString id; // External id (ICNDocument scope)
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Node *node; //Pointer to the node
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double x; // X position relative to item
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double y; // Y position relative to item
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int orientation; // Qt::Orientation relative to item
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};
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typedef TQMap<TQString, TQString> StringMap;
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typedef TQMap<TQString, NodeInfo> NodeMap; // Internal id, node info
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typedef TQValueList<TQGuardedPtr<Connector> > ConnectorList;
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typedef TQMap<TQString, TQGuardedPtr<Text> > TextMap;
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/**
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Essentially, all items that live on ICNDocument should inherit from this class.
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This class provides much functionality (moving items, creation of associated nodes,
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saving and editing of associated data, cutting / copying, etc)
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@short Base class for all components/flowparts/etc
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@author Daniel Clarke
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@author David Saxton
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*/
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class CNItem : public Item, public CIWidgetMgr
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{
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Q_OBJECT
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public:
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CNItem( ICNDocument *_icnView, bool newItem, const TQString &id );
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virtual ~CNItem();
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/**
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* Returns the run-time identifier for the CNItem - ItemDocument::RTTI::CNItem
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*/
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int rtti() const;
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/**
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* Creates a node which is attached to the item. The node will be moved
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* about with the item, and destroyed along with the item. The position
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* coordinates of the node are relative to the upper left corner of the item.
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* @param type See Node::node_type
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*/
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Node* createNode( double _x, double _y, int orientation, const TQString &name, uint type );
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/**
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* Removes a child node. You should use this function if you want to remove
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* any nodes during the lifetime of the CNItem.
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*/
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bool removeNode( const TQString &name );
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/**
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* Sets the mouse click point when moving this item
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*/
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void setInitialPos( const TQPoint &pos );
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/**
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* Snaps the component to the grid.
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*/
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void snap( int newx = -1, int newy = -1 );
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/**
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* Returns the closest node that is associated with the CNItem
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*/
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Node *getClosestNode( const TQPoint &pos );
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/**
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* Returns a list of connectors associated with the CNItem
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*/
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ConnectorList connectorList();
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virtual bool preResize( TQRect sizeRect );
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virtual bool mousePressEvent( const EventInfo &eventInfo );
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virtual bool mouseReleaseEvent( const EventInfo &eventInfo );
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virtual bool mouseDoubleClickEvent ( const EventInfo &eventInfo );
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virtual bool mouseMoveEvent( const EventInfo &eventInfo );
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virtual bool wheelEvent( const EventInfo &eventInfo );
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virtual void enterEvent();
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virtual void leaveEvent();
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/**
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* ICNDocument needs to know what 'cells' a CNItem is present in,
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* so that connection mapping can be done to avoid CNItems.
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* This function will add the hit penalty to the cells pointed to
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* by ICNDocument::cells()
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*/
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virtual void updateConnectorPoints( bool add );
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/**
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* Converts the id used to internally identify a node to the global
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* ICNDocument node id. eg "vss" might return "node__13".
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*/
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TQString nodeId( const TQString &internalNodeId );
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/**
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* Returns a pointer to the node with the given internal (child) id
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*/
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Node *childNode( const TQString &childId );
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/**
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* Returns the node map used:
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* TQMap<TQString, NodeInfo> NodeMap
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* It's probably best to cache this data
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*/
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NodeMap nodeMap() const { return m_nodeMap; }
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/**
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* Returns the TextMap used for canvas text
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*/
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TextMap textMap() const { return m_textMap; }
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virtual void setVisible( bool yes );
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virtual void updateZ( int baseZ );
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virtual ItemData itemData() const;
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virtual void restoreFromItemData( const ItemData &itemData );
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virtual void updateNodeLevels();
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public slots:
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/**
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* Moves item - use this instead of moveBy() so that associated Nodes also get moved
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*/
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virtual void moveBy( double dx, double dy );
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/**
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* Remove the item and associated nodes. It appends the item to the
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* ICNDocument's delete list, so you must call ICNDocument::flushDeleteList()
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* after calling this (and possible ICNDocument::clearDeleteList() befor
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* calling it) The virtual function void handleRemove() is called to allow
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* any child classes to clear up any neccessary data (which doesn't do
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* anything by default), before CNItem does the rest
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*/
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virtual void removeItem();
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/**
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* This item has been resized, so update the nodes relative positions
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*/
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virtual void updateAttachedPositioning();
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protected:
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virtual void reparented( Item *oldParent, Item *newParent );
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virtual void drawShape( TQPainter &p );
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virtual void postResize();
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/**
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* CNItem handles drawing of text associated with the CNItem.
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* @param id is a unique identifier that can be used to change the text displayed.
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* @param pos is the position that the text occupies relative to the top left corner of the CNItem.
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* @param display is the actual text to be displayed.
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* @param internal is used to determine the z-level of the text - whether it should be below or above the item
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* @param flags Text alignment flags - TQt::AlignmentFlags and TQt::TextFlags OR'd together.
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*/
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Text* addDisplayText( const TQString &id, const TQRect & pos, const TQString &display, bool internal = true, int flags = TQt::AlignHCenter | TQt::AlignVCenter );
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void setDisplayText( const TQString &id, const TQString &display );
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/**
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* Remove the display text with the given id
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*/
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void removeDisplayText( const TQString &id );
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/**
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* Sets the right colour if selected, transforms the matrix of the painter
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*/
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virtual void initPainter( TQPainter &p );
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TQPoint m_offset;
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TQGuardedPtr<ICNDocument> p_icnDocument;
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TextMap m_textMap;
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NodeMap m_nodeMap;
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TQColor m_selectedCol;
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TQColor m_brushCol;
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bool b_pointsAdded;
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};
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typedef TQValueList<CNItem*> CNItemList;
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#endif
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