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