forked from bartvdbraak/blender
145 lines
4.7 KiB
C++
145 lines
4.7 KiB
C++
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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 Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*
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* The Original Code is: all of this file.
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*
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* Contributor(s): none yet.
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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/** \file ghost/intern/GHOST_DisplayManager.h
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* \ingroup GHOST
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* Declaration of GHOST_DisplayManager class.
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*/
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#ifndef __GHOST_DISPLAYMANAGER_H__
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#define __GHOST_DISPLAYMANAGER_H__
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#include "GHOST_Types.h"
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#include <vector>
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/**
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* Manages system displays (platform independent implementation).
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* \author Maarten Gribnau
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* \date September 21, 2001
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*/
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class GHOST_DisplayManager
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{
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public:
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enum { kMainDisplay = 0 };
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/**
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* Constructor.
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*/
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GHOST_DisplayManager(void);
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/**
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* Destructor.
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*/
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virtual ~GHOST_DisplayManager(void);
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/**
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* Initializes the list with devices and settings.
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* \return Indication of success.
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*/
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virtual GHOST_TSuccess initialize(void);
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/**
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* Returns the number of display devices on this system.
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* \param numDisplays The number of displays on this system.
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* \return Indication of success.
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*/
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virtual GHOST_TSuccess getNumDisplays(GHOST_TUns8& numDisplays) const;
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/**
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* Returns the number of display settings for this display device.
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* \param display The index of the display to query with 0 <= display < getNumDisplays().
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* \param numSettings The number of settings of the display device with this index.
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* \return Indication of success.
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*/
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virtual GHOST_TSuccess getNumDisplaySettings(GHOST_TUns8 display,
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GHOST_TInt32& numSettings) const;
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/**
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* Returns the current setting for this display device.
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* \param display The index of the display to query with 0 <= display < getNumDisplays().
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* \param index The setting index to be returned.
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* \param setting The setting of the display device with this index.
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* \return Indication of success.
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*/
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virtual GHOST_TSuccess getDisplaySetting(GHOST_TUns8 display,
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GHOST_TInt32 index,
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GHOST_DisplaySetting& setting) const;
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/**
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* Returns the current setting for this display device.
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* \param display The index of the display to query with 0 <= display < getNumDisplays().
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* \param setting The current setting of the display device with this index.
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* \return Indication of success.
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*/
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virtual GHOST_TSuccess getCurrentDisplaySetting(GHOST_TUns8 display,
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GHOST_DisplaySetting& setting) const;
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/**
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* Changes the current setting for this display device.
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* The setting given to this method is matched against the available display settings.
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* The best match is activated (@see findMatch()).
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* \param display The index of the display to query with 0 <= display < getNumDisplays().
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* \param setting The setting of the display device to be matched and activated.
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* \return Indication of success.
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*/
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virtual GHOST_TSuccess setCurrentDisplaySetting(GHOST_TUns8 display,
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const GHOST_DisplaySetting& setting);
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protected:
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typedef std::vector<GHOST_DisplaySetting> GHOST_DisplaySettings;
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/**
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* Finds the best display settings match.
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* \param display The index of the display device.
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* \param setting The setting to match.
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* \param match The optimal display setting.
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* \return Indication of success.
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*/
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GHOST_TSuccess findMatch(GHOST_TUns8 display,
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const GHOST_DisplaySetting& setting,
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GHOST_DisplaySetting& match) const;
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/**
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* Retrieves settings for each display device and stores them.
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* \return Indication of success.
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*/
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GHOST_TSuccess initializeSettings(void);
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/** Tells whether the list of display modes has been stored already. */
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bool m_settingsInitialized;
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/** The list with display settings for the main display. */
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std::vector<GHOST_DisplaySettings> m_settings;
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#ifdef WITH_CXX_GUARDEDALLOC
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MEM_CXX_CLASS_ALLOC_FUNCS("GHOST:GHOST_DisplayManager")
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#endif
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};
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#endif // __GHOST_DISPLAYMANAGER_H__
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