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104 lines
3.6 KiB
104 lines
3.6 KiB
15 years ago
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/***************************************************************************
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* Copyright (C) 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 CIWIDGETMGR_H
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#define CIWIDGETMGR_H
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#include <qmap.h>
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#include <qstring.h>
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class Button;
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class CNItem;
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class Slider;
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class QCanvas;
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class Widget;
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typedef QMap<QString, Widget*> WidgetMap;
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/**
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This class handles the widgets (those things associated with CNItems that use QWidgets.
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This class is pretty much to maintain a tidy interface: the functions could just as well be
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all shoved in CNItem, but that gets messy.
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@author David Saxton
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*/
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class CIWidgetMgr
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{
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public:
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CIWidgetMgr( QCanvas *canvas, CNItem *item );
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virtual ~CIWidgetMgr();
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/**
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* Set the top-left position from which mouse events are interpreted and the
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* widgets are drawn from.
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*/
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void setWidgetsPos( const QPoint &pos );
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/**
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* Returns a pointer to the widget with the given id, or NULL if no such
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* widgets are found.
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*/
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Widget *widgetWithID( const QString &id ) const;
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Button *button( const QString &id ) const;
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Slider *slider( const QString &id ) const;
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void setButtonState( const QString &id, int state );
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/**
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* Adds a slider with the given id and values to the position
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*/
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Slider* addSlider( const QString &id, int minValue, int maxValue, int pageStep, int value, Qt::Orientation orientation, const QRect & pos );
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/**
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* Essentially the same as addDisplayText, but displays a button with
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* text on it. The virtual functions buttonPressed( const QString &id ) and
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* buttonReleased( const QString &id ) are called as appropriate with button id
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*/
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Button* addButton( const QString &id, const QRect & pos, const QString &display, bool toggle = false );
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/**
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* Adds a button with a QPixmap pixmap on it instead of text
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* @see void addButton( const QString &id, QRect pos, const QString &display )
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*/
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Button* addButton( const QString &id, const QRect & pos, QPixmap pixmap, bool toggle = false );
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/**
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* Removes the widget with the given id.
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*/
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void removeWidget( const QString & id );
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/**
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* Sets whether or not to draw the widgets (drawing widgets mucks up SVG
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* export). This function just calls either hide() or show() in each widget.
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*/
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void setDrawWidgets( bool draw );
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bool mousePressEvent( const EventInfo &info );
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bool mouseReleaseEvent( const EventInfo &info );
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bool mouseDoubleClickEvent ( const EventInfo &info );
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bool mouseMoveEvent( const EventInfo &info );
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bool wheelEvent( const EventInfo &info );
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void enterEvent();
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void leaveEvent();
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virtual void buttonStateChanged( const QString &/*id*/, bool /*on*/ ) {};
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virtual void sliderValueChanged( const QString &/*id*/, int /*value*/ ) {};
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int mgrX() const { return m_pos.x(); }
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int mgrY() const { return m_pos.y(); }
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/**
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* Draw the widgets using the given painter. This function isn't actually
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* used to draw the widgets on the canvas, as they are QCanvasItems
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* themselves, but allows other classes (e.g. ItemLibrary) to draw them
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* using a special painter.
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*/
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void drawWidgets( QPainter &p );
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protected:
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WidgetMap m_widgetMap;
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QPoint m_pos;
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QCanvas *p_canvas;
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CNItem *p_cnItem;
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};
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#endif
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