int total_height;
int backscroll_height;
int x, y;
+ int x_saved, y_saved;
int y_displayed;
int y_base;
TextAttributes t_attrib_default; /* default text attributes */
int esc_params[MAX_ESC_PARAMS];
int nb_esc_params;
- /* kbd read handler */
- IOCanRWHandler *fd_can_read;
- IOReadHandler *fd_read;
- void *fd_opaque;
+ CharDriverState *chr;
/* fifo for key pressed */
QEMUFIFO out_fifo;
uint8_t out_fifo_buf[16];
void vga_hw_update(void)
{
- if (active_console->hw_update)
+ if (active_console && active_console->hw_update)
active_console->hw_update(active_console->hw);
}
int y, y1;
if (s == active_console) {
+ int x = s->x;
+ if (x >= s->width) {
+ x = s->width - 1;
+ }
y1 = (s->y_base + s->y) % s->total_height;
y = y1 - s->y_displayed;
if (y < 0)
y += s->total_height;
if (y < s->height) {
- c = &s->cells[y1 * s->width + s->x];
+ c = &s->cells[y1 * s->width + x];
if (show) {
TextAttributes t_attrib = s->t_attrib_default;
t_attrib.invers = !(t_attrib.invers); /* invert fg and bg */
- vga_putcharxy(s->ds, s->x, y, c->ch, &t_attrib);
+ vga_putcharxy(s->ds, x, y, c->ch, &t_attrib);
} else {
- vga_putcharxy(s->ds, s->x, y, c->ch,
- &(c->t_attrib));
+ vga_putcharxy(s->ds, x, y, c->ch, &(c->t_attrib));
}
- dpy_update(s->ds, s->x * FONT_WIDTH, y * FONT_HEIGHT,
+ dpy_update(s->ds, x * FONT_WIDTH, y * FONT_HEIGHT,
FONT_WIDTH, FONT_HEIGHT);
}
}
{
int i;
- if (s->nb_esc_params == 0) { /* ESC[m sets all attributes to default */
- s->t_attrib = s->t_attrib_default;
- return;
- }
for (i=0; i<s->nb_esc_params; i++) {
switch (s->esc_params[i]) {
case 0: /* reset all console attributes to default */
}
}
+static void console_clear_xy(TextConsole *s, int x, int y)
+{
+ int y1 = (s->y_base + y) % s->total_height;
+ TextCell *c = &s->cells[y1 * s->width + x];
+ c->ch = ' ';
+ c->t_attrib = s->t_attrib_default;
+ c++;
+ update_xy(s, x, y);
+}
+
static void console_putchar(TextConsole *s, int ch)
{
TextCell *c;
- int y1, i, x;
+ int y1, i;
+ int x, y;
switch(s->state) {
case TTY_STATE_NORM:
case '\a': /* alert aka. bell */
/* TODO: has to be implemented */
break;
+ case 14:
+ /* SI (shift in), character set 0 (ignored) */
+ break;
+ case 15:
+ /* SO (shift out), character set 1 (ignored) */
+ break;
case 27: /* esc (introducing an escape sequence) */
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++;
- if (s->x >= s->width) {
- s->x = 0;
- console_put_lf(s);
- }
break;
}
break;
s->nb_esc_params++;
if (ch == ';')
break;
+#ifdef DEBUG_CONSOLE
+ fprintf(stderr, "escape sequence CSI%d;%d%c, %d parameters\n",
+ s->esc_params[0], s->esc_params[1], ch, s->nb_esc_params);
+#endif
s->state = TTY_STATE_NORM;
switch(ch) {
- case 'D':
- if (s->x > 0)
- s->x--;
+ case 'A':
+ /* move cursor up */
+ if (s->esc_params[0] == 0) {
+ s->esc_params[0] = 1;
+ }
+ s->y -= s->esc_params[0];
+ if (s->y < 0) {
+ s->y = 0;
+ }
+ break;
+ case 'B':
+ /* move cursor down */
+ if (s->esc_params[0] == 0) {
+ s->esc_params[0] = 1;
+ }
+ s->y += s->esc_params[0];
+ if (s->y >= s->height) {
+ s->y = s->height - 1;
+ }
break;
case 'C':
- if (s->x < (s->width - 1))
- s->x++;
+ /* move cursor right */
+ if (s->esc_params[0] == 0) {
+ s->esc_params[0] = 1;
+ }
+ s->x += s->esc_params[0];
+ if (s->x >= s->width) {
+ s->x = s->width - 1;
+ }
+ break;
+ case 'D':
+ /* move cursor left */
+ if (s->esc_params[0] == 0) {
+ s->esc_params[0] = 1;
+ }
+ s->x -= s->esc_params[0];
+ if (s->x < 0) {
+ s->x = 0;
+ }
+ break;
+ case 'G':
+ /* move cursor to column */
+ s->x = s->esc_params[0] - 1;
+ if (s->x < 0) {
+ s->x = 0;
+ }
break;
+ case 'f':
+ case 'H':
+ /* move cursor to row, column */
+ s->x = s->esc_params[1] - 1;
+ if (s->x < 0) {
+ s->x = 0;
+ }
+ s->y = s->esc_params[0] - 1;
+ if (s->y < 0) {
+ s->y = 0;
+ }
+ break;
+ case 'J':
+ switch (s->esc_params[0]) {
+ case 0:
+ /* clear to end of screen */
+ for (y = s->y; y < s->height; y++) {
+ for (x = 0; x < s->width; x++) {
+ if (y == s->y && x < s->x) {
+ continue;
+ }
+ console_clear_xy(s, x, y);
+ }
+ }
+ break;
+ case 1:
+ /* clear from beginning of screen */
+ for (y = 0; y <= s->y; y++) {
+ for (x = 0; x < s->width; x++) {
+ if (y == s->y && x > s->x) {
+ break;
+ }
+ console_clear_xy(s, x, y);
+ }
+ }
+ break;
+ case 2:
+ /* clear entire screen */
+ for (y = 0; y <= s->height; y++) {
+ for (x = 0; x < s->width; x++) {
+ console_clear_xy(s, x, y);
+ }
+ }
+ break;
+ }
case 'K':
+ switch (s->esc_params[0]) {
+ case 0:
/* clear to eol */
- y1 = (s->y_base + s->y) % s->total_height;
for(x = s->x; x < s->width; x++) {
- c = &s->cells[y1 * s->width + x];
- c->ch = ' ';
- c->t_attrib = s->t_attrib_default;
- c++;
- update_xy(s, x, s->y);
+ console_clear_xy(s, x, s->y);
}
break;
- default:
+ case 1:
+ /* clear from beginning of line */
+ for (x = 0; x <= s->x; x++) {
+ console_clear_xy(s, x, s->y);
+ }
+ break;
+ case 2:
+ /* clear entire line */
+ for(x = 0; x < s->width; x++) {
+ console_clear_xy(s, x, s->y);
+ }
break;
}
+ break;
+ case 'm':
console_handle_escape(s);
break;
+ case 'n':
+ /* report cursor position */
+ /* TODO: send ESC[row;colR */
+ break;
+ case 's':
+ /* save cursor position */
+ s->x_saved = s->x;
+ s->y_saved = s->y;
+ break;
+ case 'u':
+ /* restore cursor position */
+ s->x = s->x_saved;
+ s->y = s->y_saved;
+ break;
+ default:
+#ifdef DEBUG_CONSOLE
+ fprintf(stderr, "unhandled escape character '%c'\n", ch);
+#endif
+ break;
+ }
+ break;
}
}
}
return len;
}
-static void console_chr_add_read_handler(CharDriverState *chr,
- IOCanRWHandler *fd_can_read,
- IOReadHandler *fd_read, void *opaque)
-{
- TextConsole *s = chr->opaque;
- s->fd_can_read = fd_can_read;
- s->fd_read = fd_read;
- s->fd_opaque = opaque;
-}
-
static void console_send_event(CharDriverState *chr, int event)
{
TextConsole *s = chr->opaque;
int len;
uint8_t buf[16];
- len = s->fd_can_read(s->fd_opaque);
+ len = qemu_chr_can_read(s->chr);
if (len > s->out_fifo.count)
len = s->out_fifo.count;
if (len > 0) {
if (len > sizeof(buf))
len = sizeof(buf);
qemu_fifo_read(&s->out_fifo, buf, len);
- s->fd_read(s->fd_opaque, buf, len);
+ qemu_chr_read(s->chr, buf, len);
}
/* characters are pending: we send them a bit later (XXX:
horrible, should change char device API) */
} else {
*q++ = keysym;
}
- if (s->fd_read) {
+ if (s->chr->chr_read) {
qemu_fifo_write(&s->out_fifo, buf, q - buf);
kbd_send_chars(s);
}
}
chr->opaque = s;
chr->chr_write = console_puts;
- chr->chr_add_read_handler = console_chr_add_read_handler;
chr->chr_send_event = console_send_event;
+ s->chr = chr;
s->out_fifo.buf = s->out_fifo_buf;
s->out_fifo.buf_size = sizeof(s->out_fifo_buf);
s->kbd_timer = qemu_new_timer(rt_clock, kbd_send_chars, s);
s->t_attrib = s->t_attrib_default;
text_console_resize(s);
+ qemu_chr_reset(chr);
+
return chr;
}
projects / mirror_qemu.git / blobdiff