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Rev 1530 Rev 1534
Line 38... Line 38...
38 
#include <ipc/ipc.h>
 38 
#include <ipc/ipc.h>
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#include <ipc/ns.h>
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#include <ipc/ns.h>
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#include <ipc/services.h>
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#include <ipc/services.h>
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 41 
 
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#include "ega.h"
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#include "ega.h"
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#include "../console/screenbuffer.h"
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#include "main.h"
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/* Allow only 1 connection */
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/* Allow only 1 connection */
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static int client_connected = 0;
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static int client_connected = 0;
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static unsigned int scr_width;
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static unsigned int scr_width;
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static unsigned int scr_height;
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static unsigned int scr_height;
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static char *scr_addr;
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static char *scr_addr;
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static unsigned int style = 0x0f;
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static void clrscr(void)
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static void clrscr(void)
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{
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{
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    int i;
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    int i;
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    for (i=0; i < scr_width*scr_height; i++)
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    for (i=0; i < scr_width*scr_height; i++) {
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        scr_addr[i*2] = ' ';
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        scr_addr[i*2] = ' ';
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        scr_addr[i*2+1] = style;
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    }
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}
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}
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static void printchar(char c, unsigned int row, unsigned int col)
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static void printchar(char c, unsigned int row, unsigned int col)
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{
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{
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    scr_addr[(row*scr_width + col)*2] = c;
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    scr_addr[(row*scr_width + col)*2] = c;
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    scr_addr[(row*scr_width + col)*2+1] = style;
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}
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static void draw_text_data(keyfield_t *data)
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{
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    int i;
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    for (i=0; i < scr_width*scr_height; i++) {
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        scr_addr[i*2] = data[i].character;
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        if (data[i].style.fg_color > data[i].style.bg_color)
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            scr_addr[i*2+1] = 0x0f;
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        else
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            scr_addr[i*2+1] = 0xf0;
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    }
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}
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}
63 
 
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64 
static void ega_client_connection(ipc_callid_t iid, ipc_call_t *icall)
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static void ega_client_connection(ipc_callid_t iid, ipc_call_t *icall)
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{
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{
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    int retval;
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    int retval;
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    ipc_callid_t callid;
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    ipc_callid_t callid;
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    ipc_call_t call;
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    ipc_call_t call;
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    char c;
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    char c;
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    unsigned int row, col;
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    unsigned int row, col;
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    int bgcolor,fgcolor;
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 92 
    keyfield_t *interbuf = NULL;
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    size_t intersize = 0;
71 
 
 94 
 
72 
    if (client_connected) {
 95 
    if (client_connected) {
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        ipc_answer_fast(iid, ELIMIT, 0,0);
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        ipc_answer_fast(iid, ELIMIT, 0,0);
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        return;
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        return;
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    }
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    }
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        switch (IPC_GET_METHOD(call)) {
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        switch (IPC_GET_METHOD(call)) {
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        case IPC_M_PHONE_HUNGUP:
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        case IPC_M_PHONE_HUNGUP:
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            client_connected = 0;
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            client_connected = 0;
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            ipc_answer_fast(callid,0,0,0);
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            ipc_answer_fast(callid,0,0,0);
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            return; /* Exit thread */
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            return; /* Exit thread */
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        case IPC_M_AS_AREA_SEND:
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            /* We accept one area for data interchange */
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            intersize = IPC_GET_ARG2(call);
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            if (intersize >= scr_width*scr_height*sizeof(*interbuf)) {
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                receive_comm_area(callid,&call,(void **)&interbuf, scr_width*scr_height*sizeof(*interbuf));
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                continue;
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            }
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            retval = EINVAL;
- 
 
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            break;
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        case FB_DRAW_TEXT_DATA:
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            if (!interbuf) {
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                retval = EINVAL;
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                break;
- 
 
 122 
            }
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 123 
            draw_text_data(interbuf);
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            retval = 0;
- 
 
 125 
            break;
86 
        case FB_GET_CSIZE:
 126 
        case FB_GET_CSIZE:
87 
            ipc_answer_fast(callid, 0, scr_height, scr_width);
 127 
            ipc_answer_fast(callid, 0, scr_height, scr_width);
88 
            continue;
 128 
            continue;
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        case FB_CLEAR:
 129 
        case FB_CLEAR:
90 
            clrscr();
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            clrscr();
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92 
            break;
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            break;
93 
        case FB_PUTCHAR:
 133 
        case FB_PUTCHAR:
94 
            c = IPC_GET_ARG1(call);
 134 
            c = IPC_GET_ARG1(call);
95 
            row = IPC_GET_ARG2(call);
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            row = IPC_GET_ARG2(call);
96 
            col = IPC_GET_ARG3(call);
 136 
            col = IPC_GET_ARG3(call);
97 
            if (row >= scr_width || col >= scr_height) {
 137 
            if (col >= scr_width || row >= scr_height) {
98 
                retval = EINVAL;
 138 
                retval = EINVAL;
99 
                break;
 139 
                break;
100 
            }
 140 
            }
101 
            printchar(c,row,col);
 141 
            printchar(c,row,col);
102 
            retval = 0;
 142 
            retval = 0;
103 
            break;
 143 
            break;
- 
 
 144 
        case FB_SET_STYLE:
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 145 
            fgcolor = IPC_GET_ARG1(call);
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 146 
            bgcolor = IPC_GET_ARG2(call);
- 
 
 147 
            if (fgcolor > bgcolor)
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 148 
                style = 0x0f;
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 149 
            else
- 
 
 150 
                style = 0xf0;
104 
        default:
 151 
        default:
105 
            retval = ENOENT;
 152 
            retval = ENOENT;
106 
        }
 153 
        }
107 
        ipc_answer_fast(callid,retval,0,0);
 154 
        ipc_answer_fast(callid,retval,0,0);
108 
    }
 155 
    }