Added KDE3 version of ktechlab

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/ktechlab@1095338 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 103 insertions, 0 deletions

diff --git a/src/ciwidgetmgr.h b/src/ciwidgetmgr.h
new file mode 100644
index 0000000..b79fc06
--- /dev/null
+++ b/src/ciwidgetmgr.h
@@ -0,0 +1,103 @@
+/***************************************************************************
+ *   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 <qmap.h>
+#include <qstring.h>
+
+class Button;
+class CNItem;
+class Slider;
+class QCanvas;
+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( QCanvas *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 NULL 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 QPixmap pixmap on it instead of text
+	 * @see void addButton( const QString &id, QRect pos, const QString &display )
+	 */
+	Button* addButton( const QString &id, const QRect & pos, QPixmap pixmap, 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();
+	void leaveEvent();
+	
+	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;
+	QCanvas *p_canvas;
+	CNItem *p_cnItem;
+};
+
+#endif