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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
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