richterm

commit f2fe56ca1912bfc782aae0707249e7d321237496
Author: glenda <glenda@9front.local>
Date:   Fri,  9 Apr 2021 12:15:47 +0000

some code to begin with

Diffstat:
A
mkfile
 | 
6
++++++
A
richterm.c
 | 
61
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

2 files changed, 67 insertions(+), 0 deletions(-)
diff --git a/mkfile b/mkfile
@@ -0,0 +1,6 @@
+</$objtype/mkfile
+
+TARG=richterm
+OFILES=richterm.$O
+
+</sys/src/cmd/mkone
diff --git a/richterm.c b/richterm.c
@@ -0,0 +1,61 @@
+#include <u.h>
+#include <libc.h>
+#include <fcall.h>
+#include <thread.h>
+#include <draw.h>
+#include <keyboard.h>
+#include <mouse.h>
+#include <cursor.h>
+#include <9p.h>
+
+void usage(void);
+
+void
+threadmain(int argc, char **argv)
+{
+	Mousectl *mctl;
+	int rv[2];
+	Mouse mv;
+	ARGBEGIN{
+	default:
+		usage();
+	}ARGEND
+
+	// init graphics and I/O
+	if (initdraw(0, 0, "richterm") < 0) sysfatal("initdraw failed: %r");
+	draw(screen, screen->r, display->white, nil, ZP);
+	flushimage(display, 1);
+	mctl = initmouse(nil, screen);
+	if (mctl == nil) sysfatal("initmouse failed: %r");
+	
+	// init /dev fs for console
+	
+	// init /mnt fs for exposing internals
+	// even processing loop
+	enum {MOUSE, RESIZE, NONE};
+	Alt alts[3]={
+		{mctl->c, &mv, CHANRCV},
+		{mctl->resizec, rv, CHANRCV},
+		{nil, nil, CHANEND},
+	};
+	for (;;) {
+		switch(alt(alts)) {
+		case MOUSE:
+			break;
+		case RESIZE:
+			if (getwindow(display, Refnone) < 0) sysfatal("resize failed: %r");
+			draw(screen, screen->r, display->white, nil, ZP);
+			flushimage(display, 1);
+			break;
+		case NONE:
+			break;
+		}
+	}
+}
+
+void
+usage(void)
+{
+	fprint(2, "usage: %s [cmd]\n", argv0);
+	threadexitsall("usage");
+}