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/*****************************************************************************
* ctrl_list.hpp
*****************************************************************************
* Copyright (C) 2003 the VideoLAN team
* $Id$
*
* Authors: Cyril Deguet <asmax@via.ecp.fr>
* Olivier Teulière <ipkiss@via.ecp.fr>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifndef CTRL_LIST_HPP
#define CTRL_LIST_HPP
#include "ctrl_generic.hpp"
#include "../utils/observer.hpp"
#include "../utils/var_list.hpp"
class OSGraphics;
class GenericFont;
class GenericBitmap;
/// Class for control list
class CtrlList: public CtrlGeneric, public Observer<VarList, void*>,
public Observer<VarPercent, void *>
{
public:
CtrlList( intf_thread_t *pIntf, VarList &rList,
const GenericFont &rFont, const GenericBitmap *pBitmap,
uint32_t fgcolor, uint32_t playcolor, uint32_t bgcolor1,
uint32_t bgcolor2, uint32_t selColor,
const UString &rHelp, VarBool *pVisible );
virtual ~CtrlList();
/// Handle an event on the control.
virtual void handleEvent( EvtGeneric &rEvent );
/// Check whether coordinates are inside the control.
virtual bool mouseOver( int x, int y ) const;
/// Draw the control on the given graphics
virtual void draw( OSGraphics &rImage, int xDest, int yDest );
/// Called when the layout is resized
virtual void onResize();
/// Return true if the control can gain the focus
virtual bool isFocusable() const { return true; }
/// Get the type of control (custom RTTI)
virtual string getType() const { return "list"; }
private:
/// List associated to the control
VarList &m_rList;
/// Font
const GenericFont &m_rFont;
/// Background bitmap
/** If NULL, the 2 background colors defined below will be used */
const GenericBitmap *m_pBitmap;
/// Color of normal text
uint32_t m_fgColor;
/// Color of the playing item
uint32_t m_playColor;
/// Background colors, used when no background bitmap is given
uint32_t m_bgColor1, m_bgColor2;
/// Background of selected items
uint32_t m_selColor;
/// Pointer on the last selected item in the list
VarList::Elem_t *m_pLastSelected;
/// Image of the control
OSGraphics *m_pImage;
/// Last position
int m_lastPos;
/// Method called when the list variable is modified
virtual void onUpdate( Subject<VarList, void*> &rList, void* );
/// Method called when the position variable of the list is modified
virtual void onUpdate( Subject<VarPercent, void*> &rPercent, void* );
/// Called when the position is set
virtual void onPositionChange();
/// Check if the list must be scrolled
void autoScroll();
/// Draw the image of the control
void makeImage();
};
#endif