Example #1
0
void Display_Newline(int bCarriageReturn)
{
//	Display_Flush();

	// Going down!
	giCurrentLine ++;
	if( giCurrentLine == giDisplayLines )
		giCurrentLine = 0;
	if( giCurrentLine == giFirstLine )
	{
		giFirstLine ++;
		if(giFirstLine == giDisplayLines)
			giFirstLine = 0;
	}
	
	if( bCarriageReturn ) {
		giCurrentLinePos = 0;
		giCurrentCol = 0;
	}
	else {
		giCurrentLinePos = 0;
		 int	i = giCurrentCol;
		if( !gasDisplayLines[giCurrentLine] )
		{
			giCurrentCol = 0;
			while(i--)
				Display_AddText(1, " ");
		}
		else
		{
			while( i -- )
			{
				uint32_t	cp;
				giCurrentLinePos += ReadUTF8(gasDisplayLines[giCurrentLine]+giCurrentLinePos, &cp);
				if( !Unicode_IsPrinting(cp) )
					i ++;
			}
		}
	}
}
Example #2
0
// === CODE ===
int main(int argc, char *argv[], const char **envp)
{
    AxWin3_Connect(NULL);

    // --- Build up window
    gMainWindow = AxWin3_RichText_CreateWindow(NULL, AXWIN3_RICHTEXT_READONLY);
    AxWin3_SetWindowTitle(gMainWindow, "Terminal");	// TODO: Update title with other info

    gMenuWindow = AxWin3_Menu_Create(gMainWindow);
    AxWin3_Menu_AddItem(gMenuWindow, "Copy\tWin+C", NULL, NULL, 0, NULL);
    AxWin3_Menu_AddItem(gMenuWindow, "Paste\tWin+V", NULL, NULL, 0, NULL);
    // TODO: Populate menu


    // TODO: Tabs?

    AxWin3_RichText_SetKeyHandler	(gMainWindow, Term_KeyHandler);
    AxWin3_RichText_SetMouseHandler	(gMainWindow, Term_MouseHandler);
    AxWin3_RichText_SetDefaultColour(gMainWindow, 0xFFFFFF);
    AxWin3_RichText_SetBackground   (gMainWindow, 0x000000);
    AxWin3_RichText_SetFont		(gMainWindow, "#monospace", 10);
    AxWin3_RichText_SetCursorPos	(gMainWindow, 0, 0);
    AxWin3_RichText_SetCursorType	(gMainWindow, AXWIN3_RICHTEXT_CURSOR_INV);
    AxWin3_RichText_SetCursorBlink	(gMainWindow, 1);

    tTerminal *term = Display_Init(80, 25, 100);
    AxWin3_ResizeWindow(gMainWindow, 80*8, 25*16);
    AxWin3_MoveWindow(gMainWindow, 20, 50);
    AxWin3_ShowWindow(gMainWindow, 1);
    AxWin3_FocusWindow(gMainWindow);

    // Create PTY
    giPTYHandle = _SysOpen("/Devices/pts/ptmx", OPENFLAG_READ|OPENFLAG_WRITE);
    if( giPTYHandle < 0 ) {
        perror("Unable to create/open PTY");
        _SysDebug("Unable to create/open PTY: %s", strerror(errno));
        return -1;
    }
    // - Initialise
    {
        _SysIOCtl(giPTYHandle, PTY_IOCTL_SETID, "gui0");
        struct ptymode	mode = {.InputMode = PTYIMODE_CANON|PTYIMODE_ECHO, .OutputMode=0};
        struct ptydims	dims = {.W = 80, .H = 25};
        _SysIOCtl(giPTYHandle, PTY_IOCTL_SETMODE, &mode);
        _SysIOCtl(giPTYHandle, PTY_IOCTL_SETDIMS, &dims);
    }

    // Spawn shell
    {
        int	fd = _SysOpen("/Devices/pts/gui0", OPENFLAG_READ|OPENFLAG_WRITE);
        int	fds[] = {fd, fd, fd};
        const char	*argv[] = {"CLIShell", NULL};
        int pid = _SysSpawn("/Acess/Bin/CLIShell", argv, envp, 3, fds, NULL);
        if( pid < 0 )
            _SysDebug("ERROR: Shell spawn failed: %s", strerror(errno));
        _SysIOCtl(fd, PTY_IOCTL_SETPGRP, &pid);
        _SysClose(fd);
    }

    // Main loop
    for( ;; )
    {
        fd_set	fds;

        FD_ZERO(&fds);
        FD_SET(giPTYHandle, &fds);
        AxWin3_MessageSelect(giPTYHandle + 1, &fds);

        if( FD_ISSET(giPTYHandle, &fds) )
        {
            _SysDebug("Activity on child stdout");
            // Read and update screen
            char	buf[512];
            int len = _SysRead(giPTYHandle, buf, sizeof(buf));
            if( len <= 0 )	break;

            Term_HandleOutput(term, len, buf);
        }
    }

    return 0;
}

int Term_KeyHandler(tHWND Window, int bPress, uint32_t KeySym, uint32_t Translated)
{
    static int	ctrl_state = 0;

    // Handle modifiers
#define _bitset(var,bit,set) do{if(set)var|=1<<(bit);else var&=~(1<<(bit));}while(0)
    switch(KeySym)
    {
    case KEYSYM_LEFTCTRL:
        _bitset(ctrl_state, 0, bPress!=0);
        return 0;
    case KEYSYM_RIGHTCTRL:
        _bitset(ctrl_state, 1, bPress!=0);
        return 0;
    }
#undef _bitset

    // Handle shortcuts
    // - Ctrl-A -- Ctrl-Z
    if( ctrl_state && KeySym >= KEYSYM_a && KeySym <= KEYSYM_z )
    {
        Translated = KeySym - KEYSYM_a + 1;
        _SysDebug("Ctrl-%c: KS %x => Trans %x", 'A'+(KeySym-KEYSYM_a), KeySym, Translated);
    }

    // == 2 :: FIRE
    if( bPress == 2 )
    {
        if( Translated )
        {
            char	buf[6];
            int	len;

            // Encode and send
            len = WriteUTF8(buf, Translated);

            _SysDebug("Keystroke %x:%x translated to '%.*s'", KeySym, Translated, len, buf);
            _SysWrite(giPTYHandle, buf, len);

            return 0;
        }

        // No translation, look for escape sequences to send
        const char *str = NULL;
        switch(KeySym)
        {
        case KEYSYM_LEFTARROW:
            str = "\x1b[D";
            break;
        case KEYSYM_RIGHTARROW:
            str = "\x1b[C";
            break;
        case KEYSYM_UPARROW:
            str = "\x1b[A";
            break;
        case KEYSYM_DOWNARROW:
            str = "\x1b[B";
            break;
        }
        if( str )
        {
            _SysWrite(giPTYHandle, str, strlen(str));
        }
    }
    return 0;
}

int Term_MouseHandler(tHWND Window, int bPress, int Button, int Row, int Col)
{
    return 0;
}

void Term_HandleOutput(tTerminal *Term, int Len, const char *Buf)
{
    // TODO: Handle graphical / accelerated modes

    //_SysDebug("Term_HandleOutput: %i \"%.*s\"", Len, Len, Buf);

    int	ofs = 0;
    int	esc_len = 0;

    while( ofs < Len )
    {
        esc_len = Term_HandleVT100(Term, Len - ofs, Buf + ofs);
        if( esc_len < 0 ) {
            Display_AddText(Term, -esc_len, Buf + ofs);
            esc_len = -esc_len;
        }
        ofs += esc_len;
        //_SysDebug("Len = %i, ofs = %i", Len, ofs);
    }

    Display_Flush(Term);
}