| 37,6 → 37,9 |
|---|
| |
| #include "sysio.h" |
| |
| #define WIDTH 80 |
| #define HEIGHT 25 |
| |
| /* Allow only 1 connection */ |
| static int client_connected = 0; |
| |
| 79,6 → 82,19 |
|---|
| sysputs(control); |
| } |
| |
| static void scroll(int i) |
| { |
| if (i > 0) { |
| curs_goto(HEIGHT-1, 0); |
| while (i--) |
| sysputs("\033D"); |
| } else if (i < 0) { |
| curs_goto(0,0); |
| while (i++) |
| sysputs("\033M"); |
| } |
| } |
| |
| /** ANSI terminal emulation main thread */ |
| static void sysio_client_connection(ipc_callid_t iid, ipc_call_t *icall) |
| { |
| 90,6 → 106,7 |
|---|
| int lastrow=0; |
| int newcol,newrow; |
| int fgcolor,bgcolor; |
| int i; |
| |
| if (client_connected) { |
| ipc_answer_fast(iid, ELIMIT, 0,0); |
| 119,9 → 136,11 |
|---|
| newrow = IPC_GET_ARG1(call); |
| newcol = IPC_GET_ARG2(call); |
| curs_goto(newrow, newcol); |
| lastrow = newrow; |
| lastcol = newcol; |
| break; |
| case FB_GET_CSIZE: |
| ipc_answer_fast(callid, 0, 25, 80); |
| ipc_answer_fast(callid, 0, HEIGHT, WIDTH); |
| continue; |
| case FB_CLEAR: |
| clrscr(); |
| 130,12 → 149,25 |
|---|
| case FB_SET_STYLE: |
| fgcolor = IPC_GET_ARG1(call); |
| bgcolor = IPC_GET_ARG2(call); |
| if (fgcolor > bgcolor) |
| if (bgcolor == 0xf0f0f0) |
| set_style(0); |
| else if (fgcolor > bgcolor) |
| set_style(0); |
| else |
| set_style(7); |
| retval = 0; |
| break; |
| case FB_SCROLL: |
| i = IPC_GET_ARG1(call); |
| if (i > HEIGHT || i < -HEIGHT) { |
| retval = EINVAL; |
| break; |
| } |
| scroll(i); |
| curs_goto(lastrow, lastcol); |
| retval = 0; |
| break; |
| |
| default: |
| retval = ENOENT; |
| } |
| 149,4 → 181,6 |
|---|
| async_set_client_connection(sysio_client_connection); |
| clrscr(); |
| curs_goto(0,0); |
| /* Set scrolling region to 0-25 lines */ |
| sysputs("\033[0;25r"); |
| } |