haiku/headers/os/game/WindowScreen.h

/*
 * Copyright 2006-2007, Haiku, Inc. All Rights Reserved.
 * Distributed under the terms of the MIT License.
 */
#ifndef	_WINDOW_SCREEN_H
#define	_WINDOW_SCREEN_H


#include <Accelerant.h>
#include <GraphicsCard.h>
#include <OS.h>
#include <SupportDefs.h>
#include <Window.h>
#include <kernel/image.h>


void set_mouse_position(int32 x, int32 y);
	// Controls the mouse cursor position on screen


enum {
	B_ENABLE_VIEW_DRAWING	= 0x0001,
	B_ENABLE_DEBUGGER		= 0x0002
};

class BWindowScreen : public BWindow {
	public:
							BWindowScreen(const char* title, uint32 space,
								status_t* _error, bool debugMode = false);
	        				BWindowScreen(const char* title, uint32 space,
	        					uint32 attributes, status_t* _error);
		virtual				~BWindowScreen();

		virtual void		Quit();
		virtual void		ScreenConnected(bool active);
        void				Disconnect();

		virtual	void		WindowActivated(bool active);
		virtual void		WorkspaceActivated(int32 workspace, bool active);
		virtual void		ScreenChanged(BRect screenSize, color_space depth);

		virtual void		Hide();
		virtual void		Show();

		void				SetColorList(rgb_color* list, int32 firstIndex = 0,
								int32 lastIndex = 255);
		status_t			SetSpace(uint32 space);

		bool				CanControlFrameBuffer();
		status_t			SetFrameBuffer(int32 width, int32 height);
		status_t			MoveDisplayArea(int32 x, int32 y);

		rgb_color*			ColorList();
		frame_buffer_info*	FrameBufferInfo();
		graphics_card_hook	CardHookAt(int32 index);
		graphics_card_info*	CardInfo();

		void				RegisterThread(thread_id thread);
		virtual	void		SuspensionHook(bool active);
		void				Suspend(char* label);

	private:
		virtual status_t	Perform(perform_code d, void* arg);

#if 0
		void*				IOBase();
			// deprecated API, always returns NULL
#endif

		virtual void		_ReservedWindowScreen1();
		virtual void		_ReservedWindowScreen2();
		virtual void		_ReservedWindowScreen3();
		virtual void		_ReservedWindowScreen4();

		// not implemented:		
							BWindowScreen();
							BWindowScreen(BWindowScreen& other);
							BWindowScreen &operator=(BWindowScreen& other);

		status_t			_InitData(uint32 space, uint32 attributes);
		void				_DisposeData();

		status_t			_Activate();
		status_t			_Deactivate();

		status_t			_SetupAccelerantHooks(bool enable);
		status_t			_GetCardInfo();
		void				_Suspend();
		void				_Resume();
		status_t			_GetModeFromSpace(uint32 space, display_mode* mode);
		status_t			_InitClone();
		status_t			_AssertDisplayMode(display_mode* mode);

		uint16				_reserved0;
		bool				_reserved1;
		bool				fWorkState;
		bool				fWindowState;
		bool				fActivateState;
		int32				fLockState;
		int32				fWorkspaceIndex;

		display_mode*		fOriginalDisplayMode;
		display_mode*		fDisplayMode;
		sem_id				fActivateSem;
		sem_id				fDebugSem;
		image_id			fAddonImage;
		uint32				fAttributes;

		rgb_color			fPalette[256];

		graphics_card_info	fCardInfo;
		frame_buffer_info	fFrameBufferInfo;

		char*				fDebugFrameBuffer;
		bool				fDebugState;
		bool				fDebugFirst;
		int32				fDebugWorkspace;
		int32				fDebugThreadCount;
		thread_id*			fDebugThreads;

		uint32				fModeCount;
		display_mode*		fModeList;

		GetAccelerantHook	fGetAccelerantHook;
		wait_engine_idle	fWaitEngineIdle;

		uint32				_reserved[162];
};

#endif	// _WINDOW_SCREEN_H