128 lines
1.9 KiB
C
128 lines
1.9 KiB
C
#include <u.h>
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#include <libc.h>
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#include <bio.h>
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#include <draw.h>
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#include <mouse.h>
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#include <cursor.h>
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#include <drawsrv.h>
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typedef struct Cmd Cmd;
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struct Cmd {
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char *cmd;
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void (*fn)(int, char**);
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};
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Biobuf b;
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int fd;
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uchar buf[64*1024];
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void
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startsrv(void)
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{
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int pid, p[2];
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if(pipe(p) < 0)
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sysfatal("pipe");
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if((pid=fork()) < 0)
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sysfatal("fork");
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if(pid == 0){
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close(p[0]);
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dup(p[1], 0);
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dup(p[1], 1);
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execl("o.drawsrv", "o.drawsrv", "-D", nil);
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sysfatal("exec: %r");
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}
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close(p[1]);
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fd = p[0];
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}
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int
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domsg(Wsysmsg *m)
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{
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int n, nn;
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n = convW2M(m, buf, sizeof buf);
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fprint(2, "write %d to %d\n", n, fd);
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write(fd, buf, n);
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n = readwsysmsg(fd, buf, sizeof buf);
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nn = convM2W(buf, n, m);
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assert(nn == n);
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if(m->op == Rerror)
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return -1;
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return 0;
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}
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void
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cmdinit(int argc, char **argv)
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{
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Wsysmsg m;
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memset(&m, 0, sizeof m);
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m.op = Tinit;
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m.winsize = "100x100";
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m.label = "label";
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m.font = "";
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if(domsg(&m) < 0)
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sysfatal("domsg");
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}
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void
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cmdmouse(int argc, char **argv)
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{
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Wsysmsg m;
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memset(&m, 0, sizeof m);
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m.op = Trdmouse;
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if(domsg(&m) < 0)
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sysfatal("domsg");
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print("%c %d %d %d\n",
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m.resized ? 'r' : 'm',
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m.mouse.xy.x,
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m.mouse.xy.y,
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m.mouse.buttons);
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}
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void
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cmdkbd(int argc, char **argv)
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{
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Wsysmsg m;
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memset(&m, 0, sizeof m);
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m.op = Trdkbd;
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if(domsg(&m) < 0)
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sysfatal("domsg");
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print("%s\n", m.runes);
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}
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Cmd cmdtab[] = {
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{ "init", cmdinit, },
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{ "mouse", cmdmouse, },
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{ "kbd", cmdkbd, },
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};
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void
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main(int argc, char **argv)
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{
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char *p, *f[20];
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int i, nf;
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startsrv();
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fprint(2, "started...\n");
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Binit(&b, 0, OREAD);
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while((p = Brdstr(&b, '\n', 1)) != nil){
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fprint(2, "%s...\n", p);
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nf = tokenize(p, f, nelem(f));
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for(i=0; i<nelem(cmdtab); i++){
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if(strcmp(cmdtab[i].cmd, f[0]) == 0){
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cmdtab[i].fn(nf, f);
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break;
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}
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}
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if(i == nelem(cmdtab))
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print("! unrecognized command %s\n", f[0]);
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free(p);
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}
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exits(0);
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}
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