shithub: rio

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preserve window contents when resizing (weird over drawterm)

--- a/rio.c

+++ b/rio.c

@@ -1018,12 +1018,14 @@

 Image*

 bandsize(Window *w)

 {

-	Rectangle r, or;

+	Rectangle r, or, origr;

 	Point p, startp;

 	int which, owhich, but;

+	Image *tmp;

 	owhich = -1;

 	or = w->screenr;

+	origr = or;

 	but = mouse->buttons;

 	startp = onscreen(mouse->xy);

 	drawborder(or, sizecol);

@@ -1036,6 +1038,10 @@

 		}

 		r = whichrect(or, p, owhich);

 		if(!eqrect(r, or) && goodrect(r)){

+			tmp = allocwindow(wscreen, r, Refnone, DNofill);

+			if(tmp != nil){

+				wsendctlmesg(w, Reshaped, r, tmp);

+			}

 			drawborder(r, sizecol);

 			or = r;

 		}

@@ -1044,14 +1050,20 @@

 	drawborder(or, nil);

 	if(!goodrect(or))

 		riosetcursor(nil);

-	if(mouse->buttons!=0 || !goodrect(or) || eqrect(or, w->screenr)

+	

+	if(mouse->buttons!=0 || !goodrect(or) || eqrect(or, origr)

 	|| abs(p.x-startp.x)+abs(p.y-startp.y) <= 1){

+		tmp = allocwindow(wscreen, origr, Refnone, DNofill);

+		if(tmp == nil)

+			error("bandsize: can't restore window");

+		wsendctlmesg(w, Reshaped, origr, tmp);

 		flushimage(display, 1);

 		while(mouse->buttons)

 			readmouse(mousectl);

 		return nil;

 	}

-	return allocwindow(wscreen, or, Refbackup, DNofill);

+	

+	return allocwindow(wscreen, r, Refbackup, DNofill);

 }

 Window*