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+/* This file is part of the KDE project
+ Copyright (C) 2002-2004 Alexander Dymo <adymo@mksat.net>
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public
+ License as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public License
+ along with this library; see the file COPYING.LIB. If not, write to
+ the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+*/
+#ifndef VIEW_H
+#define VIEW_H
+
+#include <qcanvas.h>
+#include <qpainter.h>
+#include <qptrlist.h>
+
+#include <koproperty/property.h>
+
+class KuDesignerPlugin;
+
+class QMouseEvent;
+class QCanvasItemList;
+
+namespace KoProperty
+{
+class Buffer;
+}
+
+using namespace KoProperty;
+
+namespace Kudesigner
+{
+
+class ReportItem;
+class Box;
+class Canvas;
+class Band;
+
+class SelectionRect: public QCanvasRectangle
+{
+public:
+ SelectionRect( int x, int y, int width, int height, Canvas *canvas ) :
+ QCanvasRectangle( x, y, width, height, ( QCanvas* ) canvas )
+ {}
+
+ virtual void draw( QPainter & painter );
+};
+
+class View: public QCanvasView
+{
+ Q_OBJECT
+public:
+ View( Canvas *canvas, QWidget *parent, const char *name = 0, WFlags f = 0 );
+
+ int itemToInsert;
+
+ enum RequestType {RequestNone = 0, RequestProps, RequestDelete};
+
+ void setRequest( RequestType r );
+ void clearRequest();
+ bool requested();
+
+ void finishSelection();
+
+ void setPlugin( KuDesignerPlugin *plugin );
+
+ void setCanvas( Canvas *canvas );
+
+protected:
+ void contentsMousePressEvent( QMouseEvent* );
+ void contentsMouseReleaseEvent( QMouseEvent* );
+ void contentsMouseMoveEvent( QMouseEvent* );
+ void contentsMouseDoubleClickEvent( QMouseEvent * );
+
+ void contentsDragEnterEvent ( QDragEnterEvent * );
+ void contentsDragMoveEvent ( QDragMoveEvent * );
+ // void contentsDragLeaveEvent ( QDragLeaveEvent * );
+ // void contentsDropEvent ( QDropEvent * );
+ void keyPressEvent( QKeyEvent * );
+
+ void startMoveOrResizeOrSelectItem( QCanvasItemList &l, QMouseEvent *e, QPoint &p );
+ bool startResizing( QMouseEvent *e, QPoint &p );
+ void placeItem( QCanvasItemList &l, QMouseEvent *e );
+ void editItem( QCanvasItemList &l );
+ void deleteItem( QCanvasItemList &l );
+ void selectItemFromList( QCanvasItemList &l );
+
+ void stickToGrid( double &x, double &y );
+ void stickDimToGrid( double x, double y, double &X, double &Y );
+
+private:
+ Buffer *selectionBuf;
+
+ ReportItem *moving;
+ QPoint moving_start;
+ double moving_offsetY;
+ double moving_offsetX;
+ QRect resizing_constraint;
+ QSize resizing_minSize;
+ int resizing_type;
+ class Box *resizing;
+ bool selectionStarted;
+
+ KuDesignerPlugin *m_plugin;
+
+ SelectionRect *selectionRect;
+
+ RequestType request;
+
+ Canvas *m_canvas;
+
+ void fixMinValues( double &pos, double minv, double &offset );
+ void fixMaxValues( double &pos, double size, double maxv, double &offset );
+
+signals: // Signals
+ /** Emitted when user clicks on the canvas, so a button
+ or a menu item assosiated with the selected item should
+ be unchecked. */
+ void selectedActionProcessed();
+ void selectedEditActionProcessed();
+ void modificationPerformed();
+
+ /** Emitted when selection is made, so that property editor can display properties
+ for the selected items. */
+ void selectionMade( Buffer *buf );
+ void selectionClear();
+ void changed();
+
+ void itemPlaced( int x, int y, int band, int bandLevel );
+
+public slots:
+ void updateProperty();
+
+ void selectItem();
+ void setGridSize( int size );
+};
+
+}
+
+#endif