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/* WinNT screen routines header.
Copyright (c) 2002-2005 by Salvador E. Tropea (SET)
Covered by the GPL license. */
// This headers needs windows header
#if defined(TVOS_Win32) && !defined(WINNTSCR_HEADER_INCLUDED)
#define WINNTSCR_HEADER_INCLUDED
// Some windows.h headers defines a macro with this name
#undef YieldProcessor
#define USE_NEW_BUFFER
#define hCurrentOut hOut
// virtual to avoid problems with multiple inheritance
class TDisplayWinNT : virtual public TDisplay
{
protected:
TDisplayWinNT() {};
// We will use casts to base classes, destructors must be pointers
virtual ~TDisplayWinNT();
// This sets the pointers of TDisplay to point to this class
static void Init();
// Behaviors to replace TDisplay
static void SetCursorPos(unsigned x, unsigned y);
static void GetCursorPos(unsigned &x, unsigned &y);
static void GetCursorShape(unsigned &start, unsigned &end);
static void SetCursorShape(unsigned start, unsigned end);
static ushort GetRows();
static ushort GetCols();
// Default static void SetCrtMode(ushort mode);
// Default static void SetCrtModeExt(char *mode);
// Not available static ushort getCrtMode();
// Not implemented static int CheckForWindowSize(void);
static const char
*GetWindowTitle(void);
static int SetWindowTitle(const char *name);
static void ClearScreen(uchar w, uchar h);
static void Beep();
// Low level routines, doesn't use cached values
static void GetCursorPosLow(unsigned &x, unsigned &y);
static void GetCursorShapeLow(unsigned &start, unsigned &end);
static void SetCursorShapeLow(unsigned start, unsigned end);
static void SetCursorPosLow(unsigned x, unsigned y);
// Variables for this driver
// Input/output handles
static HANDLE hOut,hIn;
#ifdef USE_NEW_BUFFER
static HANDLE hStdOut;
#endif
// Cursor position
static unsigned currentCursorX,currentCursorY;
// Cursor shape
static unsigned curStart, curEnd;
};
// With this order the destructor will be called first for TScreenWin32,
// TScreen, TDisplayWinNT and finally TDisplay.
class TScreenWinNT : public TDisplayWinNT, public TScreen
{
public:
TScreenWinNT();
// We will use casts to base classes, destructors must be pointers
virtual ~TScreenWinNT();
static void YieldProcessor(int micros);
friend class TGKeyWinNT;
friend class THWMouseWinNT;
friend class TDisplayWinNT;
protected:
static void Resume();
static void Suspend();
// Default: ushort fixCrtMode( ushort mode )
// Default: static void setCrtData();
// Default: static void clearScreen();
// Default: static void setVideoMode(ushort mode);
// Default: static void setVideoModeExt(char *mode);
static void GetCharacters(unsigned offset,ushort *buf,unsigned count);
static ushort GetCharacter(unsigned dst);
static void SetCharacter(unsigned offset, ushort value);
static void SetCharacters(unsigned dst, ushort *src, unsigned len);
static int System(const char *command, pid_t *pidChild, int in, int out,
int err);
static int SetCrtModeRes(unsigned w, unsigned h, int fW=-1, int fH=-1);
// Support functions
#ifndef USE_NEW_BUFFER
static void SaveScreen();
static void SaveScreenReleaseMemory();
static void RestoreScreen();
#endif
//static void ScreenUpdate();
static BOOL WINAPI ConsoleEventHandler(DWORD dwCtrlType);
static void ensureOutBufCapacity(unsigned count);
// Initialization done at start
static int InitOnce();
// Support variables
// Old console state
#ifndef USE_NEW_BUFFER
static ushort* saveScreenBuf;
static unsigned saveScreenSize;
static unsigned saveScreenCursorStart, saveScreenCursorEnd;
static unsigned saveScreenCursorX, saveScreenCursorY;
#endif
static DWORD saveScreenConsoleMode;
static unsigned saveScreenWidth, saveScreenHeight;
// Buffer used to arrange the data as needed by Win32 API
static CHAR* outBuf;
static WORD* outBufAttr;
static CHAR_INFO* outBufCI;
static unsigned outBufCapacity;
};
#endif // WINNTSCR_HEADER_INCLUDED
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