diff options
| -rw-r--r-- | ui/console-vc.c | 40 |
1 files changed, 34 insertions, 6 deletions
diff --git a/ui/console-vc.c b/ui/console-vc.c index 87f57f1c52..522adc2806 100644 --- a/ui/console-vc.c +++ b/ui/console-vc.c @@ -90,6 +90,7 @@ struct VCChardev { int esc_params[MAX_ESC_PARAMS]; int nb_esc_params; TextAttributes t_attrib; /* currently active text attributes */ + TextAttributes t_attrib_saved; int x_saved, y_saved; }; typedef struct VCChardev VCChardev; @@ -644,6 +645,31 @@ static void vc_set_cursor(VCChardev *vc, int x, int y) s->y = y; } +/** + * vc_save_cursor() - saves cursor position and character attributes. + */ +static void vc_save_cursor(VCChardev *vc) +{ + QemuTextConsole *s = vc->console; + + vc->x_saved = s->x; + vc->y_saved = s->y; + vc->t_attrib_saved = vc->t_attrib; +} + +/** + * vc_restore_cursor() - restores cursor position and character + * attributes from saved state. + */ +static void vc_restore_cursor(VCChardev *vc) +{ + QemuTextConsole *s = vc->console; + + s->x = vc->x_saved; + s->y = vc->y_saved; + vc->t_attrib = vc->t_attrib_saved; +} + static void vc_putchar(VCChardev *vc, int ch) { QemuTextConsole *s = vc->console; @@ -699,6 +725,12 @@ static void vc_putchar(VCChardev *vc, int ch) vc->state = TTY_STATE_G0; } else if (ch == ')') { vc->state = TTY_STATE_G1; + } else if (ch == '7') { + vc_save_cursor(vc); + vc->state = TTY_STATE_NORM; + } else if (ch == '8') { + vc_restore_cursor(vc); + vc->state = TTY_STATE_NORM; } else { vc->state = TTY_STATE_NORM; } @@ -833,14 +865,10 @@ static void vc_putchar(VCChardev *vc, int ch) } break; case 's': - /* save cursor position */ - vc->x_saved = s->x; - vc->y_saved = s->y; + vc_save_cursor(vc); break; case 'u': - /* restore cursor position */ - s->x = vc->x_saved; - s->y = vc->y_saved; + vc_restore_cursor(vc); break; default: trace_console_putchar_unhandled(ch); |