| 40,6 → 40,8 |
|---|
| #include <ipc/services.h> |
| |
| #include "ega.h" |
| #include "../console/screenbuffer.h" |
| #include "main.h" |
| |
| /* Allow only 1 connection */ |
| static int client_connected = 0; |
| 48,19 → 50,37 |
|---|
| static unsigned int scr_height; |
| static char *scr_addr; |
| |
| static unsigned int style = 0x0f; |
| |
| static void clrscr(void) |
| { |
| int i; |
| |
| for (i=0; i < scr_width*scr_height; i++) |
| for (i=0; i < scr_width*scr_height; i++) { |
| scr_addr[i*2] = ' '; |
| scr_addr[i*2+1] = style; |
| } |
| } |
| |
| static void printchar(char c, unsigned int row, unsigned int col) |
| { |
| scr_addr[(row*scr_width + col)*2] = c; |
| scr_addr[(row*scr_width + col)*2+1] = style; |
| } |
| |
| static void draw_text_data(keyfield_t *data) |
| { |
| int i; |
| |
| for (i=0; i < scr_width*scr_height; i++) { |
| scr_addr[i*2] = data[i].character; |
| if (data[i].style.fg_color > data[i].style.bg_color) |
| scr_addr[i*2+1] = 0x0f; |
| else |
| scr_addr[i*2+1] = 0xf0; |
| } |
| } |
| |
| static void ega_client_connection(ipc_callid_t iid, ipc_call_t *icall) |
| { |
| int retval; |
| 68,6 → 88,9 |
|---|
| ipc_call_t call; |
| char c; |
| unsigned int row, col; |
| int bgcolor,fgcolor; |
| keyfield_t *interbuf = NULL; |
| size_t intersize = 0; |
| |
| if (client_connected) { |
| ipc_answer_fast(iid, ELIMIT, 0,0); |
| 83,6 → 106,23 |
|---|
| client_connected = 0; |
| ipc_answer_fast(callid,0,0,0); |
| return; /* Exit thread */ |
| case IPC_M_AS_AREA_SEND: |
| /* We accept one area for data interchange */ |
| intersize = IPC_GET_ARG2(call); |
| if (intersize >= scr_width*scr_height*sizeof(*interbuf)) { |
| receive_comm_area(callid,&call,(void **)&interbuf, scr_width*scr_height*sizeof(*interbuf)); |
| continue; |
| } |
| retval = EINVAL; |
| break; |
| case FB_DRAW_TEXT_DATA: |
| if (!interbuf) { |
| retval = EINVAL; |
| break; |
| } |
| draw_text_data(interbuf); |
| retval = 0; |
| break; |
| case FB_GET_CSIZE: |
| ipc_answer_fast(callid, 0, scr_height, scr_width); |
| continue; |
| 94,7 → 134,7 |
|---|
| c = IPC_GET_ARG1(call); |
| row = IPC_GET_ARG2(call); |
| col = IPC_GET_ARG3(call); |
| if (row >= scr_width || col >= scr_height) { |
| if (col >= scr_width || row >= scr_height) { |
| retval = EINVAL; |
| break; |
| } |
| 101,6 → 141,13 |
|---|
| printchar(c,row,col); |
| retval = 0; |
| break; |
| case FB_SET_STYLE: |
| fgcolor = IPC_GET_ARG1(call); |
| bgcolor = IPC_GET_ARG2(call); |
| if (fgcolor > bgcolor) |
| style = 0x0f; |
| else |
| style = 0xf0; |
| default: |
| retval = ENOENT; |
| } |