mirror of
https://github.com/ksherlock/TwoTerm.git
synced 2024-06-01 21:41:37 +00:00
update vt05 terminal. since linefeed is only effective on the last line, it's not really usable.
git-svn-id: svn://qnap.local/TwoTerm/trunk@3174 5590a31f-7b70-45f8-8c82-aa3a8e5f4507
This commit is contained in:
parent
a34341dd69
commit
102e7a824a
|
@ -11,14 +11,12 @@
|
||||||
|
|
||||||
#include "iGeometry.h"
|
#include "iGeometry.h"
|
||||||
|
|
||||||
class OutputChannel;
|
#include "Screen.h"
|
||||||
class Screen;
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
@interface VT05 : NSObject <Emulator> {
|
@interface VT05 : NSObject <Emulator> {
|
||||||
unsigned _state;
|
unsigned _state;
|
||||||
struct iPoint _dca;
|
context _context;
|
||||||
BOOL _upperCase;
|
BOOL _upperCase;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
|
@ -6,6 +6,10 @@
|
||||||
// Copyright 2010 __MyCompanyName__. All rights reserved.
|
// Copyright 2010 __MyCompanyName__. All rights reserved.
|
||||||
//
|
//
|
||||||
|
|
||||||
|
/*
|
||||||
|
* http://vt100.net/docs/vt05-rm/contents.html
|
||||||
|
*/
|
||||||
|
|
||||||
#include <sys/ttydefaults.h>
|
#include <sys/ttydefaults.h>
|
||||||
#include <cctype>
|
#include <cctype>
|
||||||
|
|
||||||
|
@ -63,6 +67,17 @@ enum {
|
||||||
-(void)reset
|
-(void)reset
|
||||||
{
|
{
|
||||||
_state = StateText;
|
_state = StateText;
|
||||||
|
_context.cursor = iPoint(0,0);
|
||||||
|
_context.window = iRect(0, 0, 72, 20);
|
||||||
|
_upperCase = YES;
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
-(id)init {
|
||||||
|
if ((self = [super init])) {
|
||||||
|
[self reset];
|
||||||
|
}
|
||||||
|
return self;
|
||||||
}
|
}
|
||||||
|
|
||||||
-(void)keyDown: (NSEvent *)event screen: (Screen *)screen output: (OutputChannel *)output
|
-(void)keyDown: (NSEvent *)event screen: (Screen *)screen output: (OutputChannel *)output
|
||||||
|
@ -135,26 +150,29 @@ enum {
|
||||||
|
|
||||||
case VTCursorLeft:
|
case VTCursorLeft:
|
||||||
// backspace aka left arrow.
|
// backspace aka left arrow.
|
||||||
screen->decrementX();
|
if (_context.cursor.x) _context.cursor.x--;
|
||||||
break;
|
break;
|
||||||
|
|
||||||
case VTTab:
|
case VTTab:
|
||||||
[self tab: screen];
|
if (_context.cursor.x < 64) _context.cursor.x = (_context.cursor.x + 8) & ~7;
|
||||||
|
else if (_context.cursor.x < _context.window.maxX() -1) _context.cursor.x++;
|
||||||
break;
|
break;
|
||||||
|
|
||||||
case VTLineFeed:
|
case VTLineFeed:
|
||||||
// line feed.
|
// line feed.
|
||||||
screen->lineFeed();
|
// only if in line 20.
|
||||||
|
if (_context.cursor.y == _context.window.maxY() -1)
|
||||||
|
screen->scrollUp();
|
||||||
break;
|
break;
|
||||||
|
|
||||||
case VTCursorDown:
|
case VTCursorDown:
|
||||||
// arrow down.
|
// arrow down.
|
||||||
screen->incrementY();
|
if (_context.cursor.y < _context.window.maxY() -1) _context.cursor.y++;
|
||||||
break;
|
break;
|
||||||
|
|
||||||
case VTCarriageReturn:
|
case VTCarriageReturn:
|
||||||
// carriage return;
|
// carriage return;
|
||||||
screen->setX(0);
|
_context.cursor.x = 0;
|
||||||
break;
|
break;
|
||||||
|
|
||||||
case VTCAD:
|
case VTCAD:
|
||||||
|
@ -164,96 +182,99 @@ enum {
|
||||||
|
|
||||||
case VTCursorRight:
|
case VTCursorRight:
|
||||||
// right arrow.
|
// right arrow.
|
||||||
screen->incrementX();
|
if (_context.cursor.x < _context.window.maxX() -1) _context.cursor.x++;
|
||||||
break;
|
break;
|
||||||
|
|
||||||
case VTCursorUp:
|
case VTCursorUp:
|
||||||
// up arrow
|
// up arrow
|
||||||
screen->decrementY();
|
if (_context.cursor.y) _context.cursor.y--;
|
||||||
break;
|
break;
|
||||||
|
|
||||||
case VTHome:
|
case VTHome:
|
||||||
// home
|
// home
|
||||||
screen->setCursor(0, 0);
|
_context.cursor = iPoint(0,0);
|
||||||
break;
|
break;
|
||||||
|
|
||||||
case VTEOL:
|
case VTEOL: {
|
||||||
// erase line (EOL)
|
// erase line (EOL)
|
||||||
// erase all data from the current cursor position
|
// erase all data from the current cursor position
|
||||||
// (including data in the cursor position)
|
// (including data in the cursor position)
|
||||||
// to end of the line.
|
// to end of the line.
|
||||||
screen->erase(Screen::EraseLineAfterCursor);
|
|
||||||
break;
|
iRect tmp;
|
||||||
|
tmp.origin = _context.cursor;
|
||||||
|
tmp.size = iSize(_context.window.size.width - _context.cursor.x, 1);
|
||||||
|
|
||||||
case VTEOS:
|
screen->eraseRect(tmp);
|
||||||
|
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
case VTEOS: {
|
||||||
// erase screen (EOS)
|
// erase screen (EOS)
|
||||||
// erase all data on the crt screen from the current
|
// erase all data on the crt screen from the current
|
||||||
// cursor position (including data in the cursor position)
|
// cursor position (including data in the cursor position)
|
||||||
// to line 20, character position 72.
|
// to line 20, character position 72.
|
||||||
//
|
//
|
||||||
screen->erase(Screen::EraseAfterCursor);
|
|
||||||
|
iRect tmp;
|
||||||
|
tmp.origin = _context.cursor;
|
||||||
|
tmp.size = iSize(_context.window.size.width - _context.cursor.x, 1);
|
||||||
|
|
||||||
|
screen->eraseRect(tmp);
|
||||||
|
|
||||||
|
tmp = _context.window;
|
||||||
|
tmp.origin.y = _context.cursor.y+1;
|
||||||
|
tmp.size.height -= _context.cursor.y+1;
|
||||||
|
screen->eraseRect(tmp);
|
||||||
|
|
||||||
|
|
||||||
break;
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
default:
|
default:
|
||||||
if (c >= ' ' && c < 0x7f)
|
if (c >= ' ' && c < 0x7f)
|
||||||
{
|
{
|
||||||
// if cursor at end of screen, overwrite previous contents, doesn't advance cursor.
|
// if cursor at end of screen, overwrite previous contents, doesn't advance cursor.
|
||||||
|
|
||||||
if (_upperCase) c = toupper(c);
|
if (_upperCase) {
|
||||||
screen->putc(c);
|
// uppercase algorithm (from vt50)
|
||||||
|
if (c & 0x40) c &= ~0x20;
|
||||||
|
}
|
||||||
|
screen->putc(c, _context);
|
||||||
|
if (_context.cursor.x < _context.window.maxX() -1) _context.cursor.x++;
|
||||||
}
|
}
|
||||||
break;
|
break;
|
||||||
}
|
}
|
||||||
|
|
||||||
break;
|
break;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
// based on the padding requirement -after- Y component of DCA, I assume
|
||||||
|
// the cursor is updated immediately.
|
||||||
case StateDCAY:
|
case StateDCAY:
|
||||||
{
|
{
|
||||||
// not sure how invalid values are handled.
|
|
||||||
|
|
||||||
if (c != 0x00)
|
if (c != 0x00)
|
||||||
{
|
{
|
||||||
|
c -= 32;
|
||||||
|
if (c >= 0 || c <= _context.window.maxY()-1) _context.cursor.y = c;
|
||||||
_state = StateDCAX;
|
_state = StateDCAX;
|
||||||
_dca.y = c - ' ';
|
|
||||||
}
|
}
|
||||||
break;
|
break;
|
||||||
}
|
}
|
||||||
case StateDCAX:
|
case StateDCAX:
|
||||||
{
|
{
|
||||||
if (c != 0x00)
|
if (c != 0x00) {
|
||||||
{
|
c -= 32;
|
||||||
|
if (c >= 0 || c <= _context.window.maxX()-1) _context.cursor.x = c;
|
||||||
_state = StateText;
|
_state = StateText;
|
||||||
_dca.x = c - ' ';
|
|
||||||
|
|
||||||
screen->setCursor(_dca);
|
|
||||||
}
|
}
|
||||||
break;
|
break;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
screen->setCursor(_context.cursor);
|
||||||
}
|
}
|
||||||
|
|
||||||
-(void)tab: (Screen *)screen
|
|
||||||
{
|
|
||||||
/*
|
|
||||||
* TAB (011_8) causes the cursor to move right to the next TAB stop each time the TAB code is received.
|
|
||||||
* TAB stops are preset eight character spaces apart. TAB stop locations are at characters positions 1, 9,
|
|
||||||
* 17, 25, 33, 41, 49, 57, and 65. Once the cursor reaches character position 65, all TAB commands
|
|
||||||
* received thereafter will cause the cursor to move only one character position. Once the cursor reaches
|
|
||||||
* character position 72, receipt of the the TAB code has no effect.
|
|
||||||
*/
|
|
||||||
|
|
||||||
int x = screen->x();
|
|
||||||
|
|
||||||
if (x >= screen->width() - 8)
|
|
||||||
{
|
|
||||||
screen->setX(x + 1);
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
screen->setX((x + 8) & ~7);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
-(BOOL)resizable
|
-(BOOL)resizable
|
||||||
{
|
{
|
||||||
|
|
Loading…
Reference in New Issue
Block a user