shithub: slug

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force window size (by default 500x500) and disable resizing

--- a/a.h

+++ b/a.h

@@ -16,6 +16,8 @@

 	Image *i;

 };

+void	resize(int, int);

+

 void	drawcanvas(void);

 void	initstate(void);

 void	registerfuncs(lua_State*);

@@ -23,3 +25,5 @@

 Image*	getcolor(int);

 extern Image* canvas;

+extern int width;

+extern int height;

--- a/api.c

+++ b/api.c

@@ -1,6 +1,8 @@

 #include "a.h"

 Image *canvas;

+int width;

+int height;

 int nostroke;

 Image *stroke;

 int strokewidth;

@@ -12,8 +14,10 @@

 {

 	Rectangle r;

-	r = rectsubpt(screen->r, screen->r.min);

-	canvas = allocimage(display, r, screen->chan, 0, DNofill);

+	width = 500;

+	height = 500;

+	r = Rect(0, 0, width, height);

+	canvas = allocimage(display, r, screen->chan, 0, DWhite);

 	nostroke = 0;

 	stroke = display->black;

 	strokewidth = 1;

--- a/slug.c

+++ b/slug.c

@@ -37,13 +37,30 @@

 }

 void

+resize(int w, int h)

+{

+	int fd, n;

+	char buf[255];

+

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

+	if(fd < 0)

+		sysfatal("open: %r");

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

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

+		fprint(2, "write error: %r\n");

+	close(fd);

+}

+

+void

 threadmain(int argc, char *argv[])

 {

 	lua_State *L;

+	Mouse m;

 	Rune k;

 	const char *s;

 	int r;

 	Alt alts[] = {

+		{ nil, &m, CHANRCV },

 		{ nil, nil, CHANRCV },

 		{ nil, &k,  CHANRCV },

 		{ nil, nil, CHANNOBLK },

@@ -56,8 +73,9 @@

 		sysfatal("initmouse: %r");

 	if((kc = initkeyboard(nil)) == nil)

 		sysfatal("initkeyboard: %r");

-	alts[0].c = mc->resizec;

-	alts[1].c = kc->c;

+	alts[0].c = mc->c;

+	alts[1].c = mc->resizec;

+	alts[2].c = kc->c;

 	L = luaL_newstate();

 	luaL_openlibs(L);

 	r = luaL_dofile(L, argc > 1 ? argv[1] : NULL);

@@ -67,15 +85,20 @@

 	}

 	registerfuncs(L);

 	initstate();

+	resize(width, height);

 	lsetup(L);

 	for(;;){

 		ldraw(L);

 		switch(alt(alts)){

 		case 0:

+			break;

+		case 1:

 			if(getwindow(display, Refnone)<0)

 				sysfatal("getwindow: %r");

+			resize(width, height);

+			drawcanvas();

 			break;

-		case 1:

+		case 2:

 			if(k == Kdel)

 				goto Done;

 			break;