shithub: riscv

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vt: resize only when the window is not hidden (fixes window at top left corner with riow after terminal reset)

--- a/sys/src/cmd/vt/main.c

+++ b/sys/src/cmd/vt/main.c

@@ -893,7 +893,8 @@

 void

 setdim(int ht, int wid)

 {

-	int fd;

+	char tmp[128];

+	int n, fd;

 	if(wid > 0) xmax = wid-1;

 	if(ht > 0) ymax = ht-1;

@@ -927,11 +928,15 @@

 	exportsize();

-	fd = open("/dev/wctl", OWRITE);

+	fd = open("/dev/wctl", ORDWR);

 	if(fd >= 0){

 		ht = (ymax+1) * ftsize.y + 2*INSET + 2*Borderwidth;

 		wid = (xmax+1) * ftsize.x + ftsize.x + 2*INSET + 2*Borderwidth;

-		fprint(fd, "resize -dx %d -dy %d\n", wid, ht);

+		if((n = read(fd, tmp, sizeof(tmp)-1)) < 0)

+			n = 0;

+		tmp[n] = 0;

+		if(strstr(tmp, "hidden") == nil)

+			fprint(fd, "resize -dx %d -dy %d\n", wid, ht);

 		close(fd);

 	}

 }