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Add DEC alignment test

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This sequence was used by DEC personal in to for verifying the screen adjust
of terminals. It is the unique test sequence implemented by all the
emulators, and I think it is because they want be conforms with vttest which
uses this sequence in some tests.
---
 st.c |   31 +++++++++++++++++++++++--------
 1 file changed, 23 insertions(+), 8 deletions(-)
This commit is contained in:
Roberto E. Vargas Caballero 2012-10-07 11:06:17 +02:00
parent b7a7f171ef
commit 9e813947cf
1 changed files with 23 additions and 8 deletions
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31
st.c
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@ -123,6 +123,7 @@ enum escape_state {
ESC_STR = 4, /* DSC, OSC, PM, APC */
ESC_ALTCHARSET = 8,
ESC_STR_END = 16, /* a final string was encountered */
ESC_TEST = 32, /* Enter in test mode */
};
enum window_state {
@ -289,7 +290,7 @@ static int tresize(int, int);
static void tscrollup(int, int);
static void tscrolldown(int, int);
static void tsetattr(int*, int);
static void tsetchar(char*);
static void tsetchar(char *, Glyph *, int, int);
static void tsetscroll(int, int);
static void tswapscreen(void);
static void tsetdirt(int, int);
@ -1182,7 +1183,7 @@ tmoveto(int x, int y) {
}
void
tsetchar(char *c) {
tsetchar(char *c, Glyph *attr, int x, int y) {
static char *vt100_0[62] = { /* 0x41 - 0x7e */
"↑", "↓", "→", "←", "█", "▚", "☃", /* A - G */
0, 0, 0, 0, 0, 0, 0, 0, /* H - O */
@ -1197,17 +1198,17 @@ tsetchar(char *c) {
/*
* The table is proudly stolen from rxvt.
*/
if(term.c.attr.mode & ATTR_GFX) {
if(attr->mode & ATTR_GFX) {
if(c[0] >= 0x41 && c[0] <= 0x7e
&& vt100_0[c[0] - 0x41]) {
c = vt100_0[c[0] - 0x41];
}
}
term.dirty[term.c.y] = 1;
term.line[term.c.y][term.c.x] = term.c.attr;
memcpy(term.line[term.c.y][term.c.x].c, c, UTF_SIZ);
term.line[term.c.y][term.c.x].state |= GLYPH_SET;
term.dirty[y] = 1;
term.line[y][x] = *attr;
memcpy(term.line[y][x].c, c, UTF_SIZ);
term.line[y][x].state |= GLYPH_SET;
}
void
@ -1893,11 +1894,25 @@ tputc(char *c, int len) {
fprintf(stderr, "esc unhandled charset: ESC ( %c\n", ascii);
}
term.esc = 0;
} else if(term.esc & ESC_TEST) {
if(ascii == '8') { /* DEC screen alignment test. */
char E[UTF_SIZ] = "E";
int x, y;
for(x = 0; x < term.col; ++x) {
for(y = 0; y < term.row; ++y)
tsetchar(E, &term.c.attr, x, y);
}
}
term.esc = 0;
} else {
switch(ascii) {
case '[':
term.esc |= ESC_CSI;
break;
case '#':
term.esc |= ESC_TEST;
break;
case 'P': /* DCS -- Device Control String */
case '_': /* APC -- Application Program Command */
case '^': /* PM -- Privacy Message */
@ -1988,7 +2003,7 @@ tputc(char *c, int len) {
sel.bx = -1;
if(IS_SET(MODE_WRAP) && term.c.state & CURSOR_WRAPNEXT)
tnewline(1); /* always go to first col */
tsetchar(c);
tsetchar(c, &term.c.attr, term.c.x, term.c.y);
if(term.c.x+1 < term.col)
tmoveto(term.c.x+1, term.c.y);
else