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