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/* QNX RtP screen routines header.
Copyright (c) 2002-2003 by Mike Gorchak
Covered by the BSD license. */
#if defined(TVOSf_QNXRtP) && !defined(QNXRTPSCR_HEADER_INCLUDED)
#define QNXRTPSCR_HEADER_INCLUDED
class TDisplayQNXRtP: virtual public TDisplay
{
protected:
TDisplayQNXRtP() {};
virtual ~TDisplayQNXRtP();
static void Init();
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();
static void SetCrtMode(ushort mode);
static void SetCrtModeExt(char* mode);
static int CheckForWindowSize(void);
static const char* GetWindowTitle(void);
static int SetWindowTitle(const char* name);
protected:
static inline void safeput(char* &p, char* cap);
protected:
static int cur_x;
static int cur_y;
static int tty_fd;
static int cursorStart;
static int cursorEnd;
static ushort mode;
static volatile sig_atomic_t windowSizeChanged;
};
class TScreenQNXRtP: public TDisplayQNXRtP, public TScreen
{
public:
TScreenQNXRtP();
virtual ~TScreenQNXRtP();
friend class TGKeyQNXRtP;
friend class THWMouseQNXRtP;
friend class TDisplayQNXRtP;
protected:
static void Resume();
static void Suspend();
static ushort fixCrtMode(ushort mode);
static void setCrtData();
static void clearScreen();
static void setVideoMode(ushort mode);
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);
protected:
static void SpecialKeysDisable(int fd);
static void SpecialKeysRestore(int fd);
static void StartNCurses();
static void SetGTables();
static void RestoreGTables();
static void sigWindowSizeChanged(int sig);
static void SendToTerminal(const char* const value);
static void RestoreScreen();
static void mapColor(char* &p, int col);
static void writeBlock(int dst, int len, ushort* old, ushort* src);
protected:
static struct termios old_term;
static struct termios new_term;
static cc_t oldKeys[5];
static int old_col;
static int old_fore;
static int old_back;
static int force_redraw;
};
#endif // QNXRTPSCR_HEADER_INCLUDED
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