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Diffstat (limited to 'kugar/kudesigner_lib/view.h')
-rw-r--r-- | kugar/kudesigner_lib/view.h | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/kugar/kudesigner_lib/view.h b/kugar/kudesigner_lib/view.h new file mode 100644 index 00000000..8ca5a9d4 --- /dev/null +++ b/kugar/kudesigner_lib/view.h @@ -0,0 +1,149 @@ +/* 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 |