shithub: nc

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enforce a minimal size on window

	make sure window size can fit the bare minimum to make nc usable

--- a/a.h

+++ b/a.h

@@ -159,6 +159,7 @@

 int			rmdir(char*);

 int			cp(char*, Dir, char*, char*);

+int			wresize(int, int);

 Rectangle	boundsrect(Rectangle);

 Image*		ealloccolor(ulong);

 void*		emalloc(ulong);

--- a/main.c

+++ b/main.c

@@ -9,6 +9,7 @@

 Text		*text;

 Actionbar	*abar;

 Binding		*bindings;

+Point		minbounds;

 void

 colsinit(void)

@@ -53,12 +54,24 @@

 	flushimage(display, 1);

 }

+int

+max(int x, int y)

+{

+	if(x > y)

+		return x;

+	return y;

+}

+

 void

 resize(void)

 {

 	Rectangle dr, ar;

-	int ah;

+	int ah, sx, sy;

+	sx = Dx(screen->r) + 2*4; /* 4 is rio window border width */

+	sy = Dy(screen->r) + 2*4;

+	if((sx < minbounds.x) || (sy < minbounds.y))

+		wresize(max(sx, minbounds.x), max(sy, minbounds.y));

 	ah = 2+font->height+2;

 	dr = screen->r;

 	dr.max.y -= ah;

@@ -160,6 +173,7 @@

 	abar = mkactionbar();

 	colsinit();

 	tickinit();

+	minbounds = Pt(10*9*stringwidth(font, "X"), 10*font->height); /* 10*9 is 10 action buttons with max 9 chars */

 	resize();

 	setmode(Mdir);

 	alts[Emouse].c = mc->c;

--- a/utils.c

+++ b/utils.c

@@ -99,3 +99,21 @@

 	cleanname(s);

 	return s;

 }

+

+int

+wresize(int w, int h)

+{

+	int fd, n;

+	char buf[255];

+

+	fd = open("/dev/wctl", OWRITE|OCEXEC);

+	if(fd < 0)

+		return -1;

+	n = snprint(buf, sizeof buf, "resize -dx %d -dy %d", w, h);

+	if(write(fd, buf, n) != n){

+		close(fd);

+		return -1;

+	}

+	close(fd);

+	return 0;

+}