src/system/vt100.h

/* 
 *      HT Editor
 *      vt100.h - VT100/102 emulator
 *
 *      Copyright (C) 2003 Stefan Weyergraf
 *
 *      This program is free software; you can redistribute it and/or modify
 *      it under the terms of the GNU General Public License version 2 as
 *      published by the Free Software Foundation.
 *
 *      This program is distributed in the hope that it will be useful,
 *      but WITHOUT ANY WARRANTY; without even the implied warranty of
 *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *      GNU General Public License for more details.
 *
 *      You should have received a copy of the GNU General Public License
 *      along with this program; if not, write to the Free Software
 *      Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#ifndef __VT100_H__
#define __VT100_H__

#include "system/display.h"

typedef int vcp;

#define VCP(vc_fg, vc_bg) (vcp)((vc_bg) | ((vc_fg)<<8))
#define VCP_BACKGROUND(v) ((v) & 0xff)
#define VCP_FOREGROUND(v) ((v>>8) & 0xff)

enum VT100state { PLAIN, ESC, CSI, CSI_QM, OSC };

class VT100Display: public Object {
protected:
        int x,y,w,h;
        int cursorx, cursory;
        
        VT100state mState;
        vcp mColor;
        vcp mDefaultColor;
        bool mColorLight;       // extra light info (just for setGraphicRendition)
        int mG;
        bool mDECCKM;           // cursor keys send ^[Ox/^[[x
        bool mDECAWM;           // auto-wrap mode
        bool mDECOM;            // origion relative/absolute
        bool mLNM;              // automatic newline (enter = crlf/lf)
        bool mIM;
        int mTop;
        int mBottom;
        char mTermWriteBuf[32768];
        int mTermWriteBufLen;
        int mSaved_cursorx, mSaved_cursory;
        
        SystemDisplay *mDisplay;
        
        /* new */
        void doLF();
        void doCR();
        void doBS();
        void doRI();
        void gotoXY(int ncx, int ncy);
        void gotoAbsXY(int ncx, int ncy);
        void saveCursor();
        void restoreCursor();
        void scrollDown(int mTop, int mBottom, int count);
        void scrollUp(int mTop, int mBottom, int count);
        void setGraphicRendition(int r);
        void setMode(int p, bool newValue);
        void setPrivateMode(int p, bool newValue);
        void termifyColor(int &mColor);
        void getCursor(int &x, int &y);
public:
                VT100Display(int width, int height, SystemDisplay *aDisplay, vcp initColor = VCP(VC_WHITE, VC_BLACK));
        /* extends BufferedRDisplay */
        virtual void    setBounds(int width, int height);
        /* new */
                void    termWrite(const void *buf, int buflen);
                void    setAutoNewLine(bool b);
};

void vcpToAnsi(char *buf32, vcp color);

#endif /* __VT100_H__ */
1	dpavlin	1	/*
2			* HT Editor
3			* vt100.h - VT100/102 emulator
4			*
5			* Copyright (C) 2003 Stefan Weyergraf
6			*
7			* This program is free software; you can redistribute it and/or modify
8			* it under the terms of the GNU General Public License version 2 as
9			* published by the Free Software Foundation.
10			*
11			* This program is distributed in the hope that it will be useful,
12			* but WITHOUT ANY WARRANTY; without even the implied warranty of
13			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14			* GNU General Public License for more details.
15			*
16			* You should have received a copy of the GNU General Public License
17			* along with this program; if not, write to the Free Software
18			* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19			*/
20
21			#ifndef __VT100_H__
22			#define __VT100_H__
23
24			#include "system/display.h"
25
26			typedef int vcp;
27
28			#define VCP(vc_fg, vc_bg) (vcp)((vc_bg) \| ((vc_fg)<<8))
29			#define VCP_BACKGROUND(v) ((v) & 0xff)
30			#define VCP_FOREGROUND(v) ((v>>8) & 0xff)
31
32			enum VT100state { PLAIN, ESC, CSI, CSI_QM, OSC };
33
34			class VT100Display: public Object {
35			protected:
36			int x,y,w,h;
37			int cursorx, cursory;
38
39			VT100state mState;
40			vcp mColor;
41			vcp mDefaultColor;
42			bool mColorLight; // extra light info (just for setGraphicRendition)
43			int mG;
44			bool mDECCKM; // cursor keys send ^[Ox/^[[x
45			bool mDECAWM; // auto-wrap mode
46			bool mDECOM; // origion relative/absolute
47			bool mLNM; // automatic newline (enter = crlf/lf)
48			bool mIM;
49			int mTop;
50			int mBottom;
51			char mTermWriteBuf[32768];
52			int mTermWriteBufLen;
53			int mSaved_cursorx, mSaved_cursory;
54
55			SystemDisplay *mDisplay;
56
57			/* new */
58			void doLF();
59			void doCR();
60			void doBS();
61			void doRI();
62			void gotoXY(int ncx, int ncy);
63			void gotoAbsXY(int ncx, int ncy);
64			void saveCursor();
65			void restoreCursor();
66			void scrollDown(int mTop, int mBottom, int count);
67			void scrollUp(int mTop, int mBottom, int count);
68			void setGraphicRendition(int r);
69			void setMode(int p, bool newValue);
70			void setPrivateMode(int p, bool newValue);
71			void termifyColor(int &mColor);
72			void getCursor(int &x, int &y);
73			public:
74			VT100Display(int width, int height, SystemDisplay *aDisplay, vcp initColor = VCP(VC_WHITE, VC_BLACK));
75			/* extends BufferedRDisplay */
76			virtual void setBounds(int width, int height);
77			/* new */
78			void termWrite(const void *buf, int buflen);
79			void setAutoNewLine(bool b);
80			};
81
82			void vcpToAnsi(char *buf32, vcp color);
83
84			#endif /* __VT100_H__ */