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ui/console: add escape sequence \e[5, 6n

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Add support of escape sequence "\e[5n" and "\e[6n" to console.
"\e[5n" reports status of console and it always succeed
in virtual console.
"\e[6n" reports now cursor position in console.

Signed-off-by: Ren Kimura <rkx1209dev@gmail.com>
Message-id: 1457466681-7714-2-git-send-email-rkx1209dev@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Ren Kimura 2016-03-09 04:51:21 +09:00 committed by Gerd Hoffmann
parent a6ccabd676
commit 58aa7d8e44
1 changed files with 41 additions and 15 deletions
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56
ui/console.c
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@ -757,6 +757,31 @@ static void console_clear_xy(QemuConsole *s, int x, int y)
update_xy(s, x, y);
}
static void console_put_one(QemuConsole *s, int ch)
{
TextCell *c;
int y1;
if (s->x >= s->width) {
/* line wrap */
s->x = 0;
console_put_lf(s);
}
y1 = (s->y_base + s->y) % s->total_height;
c = &s->cells[y1 * s->width + s->x];
c->ch = ch;
c->t_attrib = s->t_attrib;
update_xy(s, s->x, s->y);
s->x++;
}
static void console_respond_str(QemuConsole *s, const char *buf)
{
while (*buf) {
console_put_one(s, *buf);
buf++;
}
}
/* set cursor, checking bounds */
static void set_cursor(QemuConsole *s, int x, int y)
{
@ -779,9 +804,9 @@ static void set_cursor(QemuConsole *s, int x, int y)
static void console_putchar(QemuConsole *s, int ch)
{
TextCell *c;
int y1, i;
int i;
int x, y;
char response[40];
switch(s->state) {
case TTY_STATE_NORM:
@ -817,17 +842,7 @@ static void console_putchar(QemuConsole *s, int ch)
s->state = TTY_STATE_ESC;
break;
default:
if (s->x >= s->width) {
/* line wrap */
s->x = 0;
console_put_lf(s);
}
y1 = (s->y_base + s->y) % s->total_height;
c = &s->cells[y1 * s->width + s->x];
c->ch = ch;
c->t_attrib = s->t_attrib;
update_xy(s, s->x, s->y);
s->x++;
console_put_one(s, ch);
break;
}
break;
@ -956,8 +971,19 @@ static void console_putchar(QemuConsole *s, int ch)
console_handle_escape(s);
break;
case 'n':
/* report cursor position */
/* TODO: send ESC[row;colR */
switch (s->esc_params[0]) {
case 5:
/* report console status (always succeed)*/
console_respond_str(s, "\033[0n");
break;
case 6:
/* report cursor position */
sprintf(response, "\033[%d;%dR",
(s->y_base + s->y) % s->total_height + 1,
s->x + 1);
console_respond_str(s, response);
break;
}
break;
case 's':
/* save cursor position */