ref: 44f4cda90919a37dfd1fea113dc3ba02f2c7106c
parent: 2f6fbc8ffe5f528721887b7e1c257b643f9b1ef1
author: james palmer <foura@biobuf.link>
date: Wed Jun 2 12:17:43 EDT 2021
implement window functions
--- a/acme.h
+++ b/acme.h
@@ -1,7 +1,7 @@
#pragma lib "libacme.a"
enum {- Eventsz = 256 * UTFMax;
+ Eventsz = 256 * UTFmax,
};
typedef struct Win Win;
@@ -13,11 +13,12 @@
int data;
};
-Win * wincreate();
-void winclose(Win *);
-void wintitle(Win *, char *, ...);
-void winctl(Win *, char *, ...);
-void winclear(Win *);
+Win * wincreate(void);
+void winclose(Win *);
+int winopen(Win *, char *, int);
+void wintitle(Win *, char *, ...);
+void winctl(Win *, char *, ...);
+void winclear(Win *);
typedef struct Event Event;
struct Event {@@ -30,5 +31,5 @@
char text[Eventsz + 1];
};
-void nextevent(Win *, Event *);
-void sendevent(Win *, Event *);
+void eventnext(Win *, Event *);
+void eventsend(Win *, Event *);
--- a/window.c
+++ b/window.c
@@ -1,0 +1,80 @@
+#include <u.h>
+#include <libc.h>
+
+#include "acme.h"
+
+int
+winopen(Win *w, char *f, int mode)
+{+ char buf[128];
+ int fd;
+
+ snprint(buf, sizeof(buf), "/mnt/wsys/%d/%s", w->id, f);
+ if((fd = open(buf, mode|OCEXEC)) < 0)
+ sysfatal("open %s: %r", buf);+ return fd;
+}
+
+Win *
+wincreate(void)
+{+ Win *w;
+ char buf[12];
+
+ w = mallocz(sizeof(Win), 1);
+ w->ctl = open("/mnt/wsys/new/ctl", ORDWR|OCEXEC);+ if(w->ctl < 0)
+ sysfatal("winopen: %r");+ if(read(w->ctl, buf, sizeof(buf)) != sizeof(buf))
+ sysfatal("read ctl: %r");+
+ w->id = atoi(buf);
+ w->event = winopen(w, "event", ORDWR);
+ w->addr = winopen(w, "addr", ORDWR);
+ w->data = winopen(w, "data", ORDWR);
+
+ return w;
+}
+
+void
+winclose(Win *w)
+{+ fprint(w->ctl, "delete");
+
+ close(w->event);
+ close(w->addr);
+ close(w->data);
+
+ free(w);
+}
+
+void
+wintitle(Win *w, char *fmt, ...)
+{+ char *title;
+ va_list args;
+
+ va_start(args, fmt);
+ title = vsmprint(fmt, args);
+ va_end(args);
+
+ winctl(w, "name %s\n", title);
+ free(title);
+}
+
+void
+winctl(Win *w, char *fmt, ...)
+{+ va_list args;
+
+ va_start(args, fmt);
+ vfprint(w->ctl, fmt, args);
+ va_end(args);
+}
+
+void
+winclear(Win *w)
+{+ fprint(w->addr, ",");
+ fprint(w->data, "");
+}