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authorRoberto E. Vargas Caballero <k0ga@shike2.com>2012-10-07 11:06:17 +0200
committerRoberto E. Vargas Caballero <k0ga@shike2.com>2012-10-07 11:06:17 +0200
commit9e813947cf4631c0ca8e5f73ebfb269ef2f8252b (patch)
tree07a8fe0fb2198c4f21afe38427af4e2de0b6b433
parentb7a7f171effb301ce8dbce07c1c77a6b06ef980f (diff)
downloadst-9e813947cf4631c0ca8e5f73ebfb269ef2f8252b.tar.gz
st-9e813947cf4631c0ca8e5f73ebfb269ef2f8252b.tar.bz2
Add DEC alignment test
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(-)
-rw-r--r--st.c31
1 files changed, 23 insertions, 8 deletions
diff --git a/st.c b/st.c
index 33a1501..693739e 100644
--- a/st.c
+++ b/st.c
@@ -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