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, 113 insertions, 0 deletions

diff --git a/src/itemview.h b/src/itemview.h
new file mode 100644
index 0000000..2bca8fd
--- /dev/null
+++ b/src/itemview.h
@@ -0,0 +1,113 @@
+/***************************************************************************
+ *   Copyright (C) 2005 by David Saxton                                    *
+ *   [email protected]                                                    *
+ *                                                                         *
+ *   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 ITEMVIEW_H
+#define ITEMVIEW_H
+
+#include <view.h>
+
+#include <qcanvas.h>
+#include <qguardedptr.h>
+
+class CVBEditor;
+class ItemDocument;
+class QTimer;
+
+/**
+@author David Saxton
+*/
+class ItemView : public View
+{
+	Q_OBJECT
+	public:
+		ItemView( ItemDocument *itemDocument, ViewContainer *viewContainer, uint viewAreaId, const char *name = 0 );
+		~ItemView();
+
+		virtual bool canZoomIn() const;
+		virtual bool canZoomOut() const;
+		CVBEditor *cvbEditor() const { return m_CVBEditor; }
+		/**
+		 * @returns The zoom level
+		 */
+		double zoomLevel() const { return m_zoomLevel; }
+
+	public slots:
+		void actualSize();
+		void zoomIn();
+		void zoomOut();
+		void scrollToMouse( const QPoint &pos );
+		virtual void updateStatus();
+
+	protected slots:
+		/**
+		 * Called when the user changes the configuration.
+		 */
+		virtual void slotUpdateConfiguration();
+		void startUpdatingStatus();
+		void stopUpdatingStatus();
+
+	protected:
+		void updateZoomActions();
+		/**
+		 * Attempts to create a new CNItem if one was dragged onto the canvas
+		 */
+		void dropEvent( QDropEvent* );
+		/**
+		 * Reinherit to allow different types of items to be dragged in.
+		 */
+		virtual void dragEnterEvent( QDragEnterEvent* );
+		void contentsMousePressEvent( QMouseEvent *e );
+		void contentsMouseReleaseEvent( QMouseEvent *e );
+		void contentsMouseDoubleClickEvent( QMouseEvent *e );
+		void contentsMouseMoveEvent( QMouseEvent *e );
+		void contentsWheelEvent( QWheelEvent *e );
+		void enterEvent( QEvent * e );
+		void leaveEvent( QEvent * e );
+
+		QGuardedPtr<ItemDocument> p_itemDocument;
+		CVBEditor *m_CVBEditor;
+		double m_zoomLevel;
+		QTimer * m_pUpdateStatusTmr;
+	
+		friend class CVBEditor;
+};
+
+
+/**
+@author David Saxton
+*/
+class CVBEditor : public QCanvasView
+{
+Q_OBJECT
+public:
+    CVBEditor( QCanvas *canvas, ItemView *itemView, const char *name );
+	
+	void setPassEventsToView( bool pass ) { b_passEventsToView = pass; }
+
+	virtual void contentsMousePressEvent( QMouseEvent* e );
+	virtual void contentsMouseReleaseEvent( QMouseEvent* e );
+	virtual void contentsMouseDoubleClickEvent( QMouseEvent* e );
+	virtual void contentsMouseMoveEvent( QMouseEvent* e );
+	virtual void dragEnterEvent( QDragEnterEvent* e );
+	virtual void dropEvent( QDropEvent* e );
+	virtual void contentsWheelEvent( QWheelEvent *e );
+	virtual void enterEvent( QEvent * e );
+	virtual void leaveEvent( QEvent * e );
+
+protected:
+	virtual void viewportResizeEvent( QResizeEvent * );
+	ItemView *p_itemView;
+	bool b_passEventsToView;
+	bool b_ignoreEvents;
+};
+
+
+
+#endif