File indexing completed on 2024-04-21 05:43:53

 /***************************************************************************
  *   Copyright (C) 2005 by David Saxton                                    *
  *   david@bluehaze.org                                                    *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   it under the terms of the GNU General Public License as published by  *
  *   the Free Software Foundation; either version 2 of the License, or     *
  *   (at your option) any later version.                                   *
  ***************************************************************************/
 
 #ifndef CIWIDGETMGR_H
 #define CIWIDGETMGR_H
 
 #include <QIcon>
 #include <QMap>
 #include <QString>
 
 #include "eventinfo.h"
 
 class Button;
 class CNItem;
 class Slider;
 class KtlQCanvas;
 class Widget;
 
 typedef QMap<QString, Widget *> WidgetMap;
 
 /**
 This class handles the widgets (those things associated with CNItems that use QWidgets.
 This class is pretty much to maintain a tidy interface: the functions could just as well be
 all shoved in CNItem, but that gets messy.
 @author David Saxton
 */
 class CIWidgetMgr
 {
 public:
     CIWidgetMgr(KtlQCanvas *canvas, CNItem *item);
     virtual ~CIWidgetMgr();
 
     /**
      * Set the top-left position from which mouse events are interpreted and the
      * widgets are drawn from.
      */
     void setWidgetsPos(const QPoint &pos);
     /**
      * Returns a pointer to the widget with the given id, or nullptr if no such
      * widgets are found.
      */
     Widget *widgetWithID(const QString &id) const;
     Button *button(const QString &id) const;
     Slider *slider(const QString &id) const;
     void setButtonState(const QString &id, int state);
     /**
      * Adds a slider with the given id and values to the position
      */
     Slider *addSlider(const QString &id, int minValue, int maxValue, int pageStep, int value, Qt::Orientation orientation, const QRect &pos);
     /**
      * Essentially the same as addDisplayText, but displays a button with
      * text on it. The virtual functions buttonPressed( const QString &id ) and
      * buttonReleased( const QString &id ) are called as appropriate with button id
      */
     Button *addButton(const QString &id, const QRect &pos, const QString &display, bool toggle = false);
     /**
      * Adds a button with a QIcon icon on it instead of text
      * @see void addButton( const QString &id, QRect pos, const QString &display )
      */
     Button *addButton(const QString &id, const QRect &pos, const QIcon &icon, bool toggle = false);
     /**
      * Removes the widget with the given id.
      */
     void removeWidget(const QString &id);
     /**
      * Sets whether or not to draw the widgets (drawing widgets mucks up SVG
      * export). This function just calls either hide() or show() in each widget.
      */
     void setDrawWidgets(bool draw);
 
     bool mousePressEvent(const EventInfo &info);
     bool mouseReleaseEvent(const EventInfo &info);
     bool mouseDoubleClickEvent(const EventInfo &info);
     bool mouseMoveEvent(const EventInfo &info);
     bool wheelEvent(const EventInfo &info);
     void enterEvent(QEvent *);
     void leaveEvent(QEvent *);
 
     virtual void buttonStateChanged(const QString & /*id*/, bool /*on*/) {};
     virtual void sliderValueChanged(const QString & /*id*/, int /*value*/) {};
 
     int mgrX() const
     {
         return m_pos.x();
     }
     int mgrY() const
     {
         return m_pos.y();
     }
     /**
      * Draw the widgets using the given painter. This function isn't actually
      * used to draw the widgets on the canvas, as they are QCanvasItems
      * themselves, but allows other classes (e.g. ItemLibrary) to draw them
      * using a special painter.
      */
     void drawWidgets(QPainter &p);
 
 protected:
     WidgetMap m_widgetMap;
     QPoint m_pos;
     KtlQCanvas *p_canvas;
     CNItem *p_cnItem;
 };
 
 #endif