kexiscrollview.h

/* This file is part of the KDE project
   Copyright (C) 2004 Cedric Pasteur <cedric.pasteur@free.fr>
   Copyright (C) 2004 Jaroslaw Staniek <js@iidea.pl>
 
   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 KEXISCROLLVIEW_H
#define KEXISCROLLVIEW_H
 
#include <tqscrollview.h>
#include <tqtimer.h>
 
class TQColor;
class TQFont;
class KexiRecordNavigator;
 
 
class KEXIEXTWIDGETS_EXPORT KexiScrollView : public TQScrollView
{
    TQ_OBJECT
  
 
    public:
        KexiScrollView(TQWidget *parent, bool preview);
        virtual ~KexiScrollView();
 
        void setWidget(TQWidget *w);
        void setSnapToGrid(bool enable, int gridSize=10);
 
        void setResizingEnabled(bool enabled) { m_enableResizing = enabled; }
        void setRecordNavigatorVisible(bool visible);
 
        void setOuterAreaIndicatorVisible(bool visible)  { m_outerAreaVisible = visible; }
 
        void refreshContentsSizeLater(bool horizontal, bool vertical);
        void updateNavPanelGeometry();
 
        KexiRecordNavigator* recordNavigator() const;
 
        inline bool preview() const { return m_preview; }
 
    public slots:
        virtual void refreshContentsSize();
 
    signals:
        void outerAreaClicked();
        void resizingStarted();
        void resizingEnded();
 
    protected:
        virtual void contentsMousePressEvent(TQMouseEvent * ev);
        virtual void contentsMouseReleaseEvent(TQMouseEvent * ev);
        virtual void contentsMouseMoveEvent(TQMouseEvent * ev);
        virtual void drawContents( TQPainter * p, int clipx, int clipy, int clipw, int cliph );
        virtual void leaveEvent( TQEvent *e );
        virtual void setHBarGeometry( TQScrollBar & hbar, int x, int y, int w, int h );
        void setupPixmapBuffer(TQPixmap& pixmap, const TQString& text, int lines);
 
        bool m_resizing;
        bool m_enableResizing;
        TQWidget *m_widget;
 
        int m_gridSize;
        TQFont m_helpFont;
        TQColor m_helpColor;
        TQTimer m_delayedResize;
        TQScrollView::ScrollBarMode m_vsmode, m_hsmode;
        bool m_snapToGrid : 1;
        bool m_preview : 1;
        bool m_smodeSet : 1;
        bool m_outerAreaVisible : 1;
        KexiRecordNavigator* m_scrollViewNavPanel;
};
 
#endif