shithub: mez

Download patch

ref: 50aa3d1310d678ed8ff37791240c48d6c5045f65
parent: c9133834024f6fd08a9c0410f67885c2382427ec
author: spew <spew@palas>
date: Wed Jan 29 20:24:20 EST 2025 

make another window, draw to it


--- a/guitest.c
+++ b/guitest.c
@@ -77,7 +77,7 @@
 Rectangle scrollr;
 
 void
-drawtext(Chan *chan, int resize)
+drawtext(Chan *chan, int resize, Image *screen)
 {
 	Rectangle scrollcur, bodyr;
 
@@ -118,8 +118,10 @@
 	Rune r, *rs;
 	Mouse m;
 	Chan *chan;
-	char *s;
-	int len;
+	char *s, *wsys;
+	int len, fd;
+	Screen *_screennicks;
+	Image *screennicks;
 
 	len = readn(0, buf, sizeof(buf));
 	buf[len] = '\0';
@@ -142,6 +144,17 @@
 	chan->bodylen = runestrlen(chan->body);
 	chan->totlines = lines(chan->body);
 
+	if((wsys = getenv("wsys")) == nil)
+		sysfatal("cannot find $wsys: %r");
+	if((fd = open(wsys, ORDWR)) < 0)
+		sysfatal("cannot open $wsys: %r");
+	if(mount(fd, -1, "/mnt/wsysnicks", MREPL, "new") < 0)
+		sysfatal("cannot create new window: %r");
+	screennicks = nil;
+	_screennicks = nil;
+	if(gengetwindow(display, "/mnt/wsysnicks/winname", &screennicks, &_screennicks, Refnone) < 0)
+		sysfatal("cannot get window: %r");
+
 	Alt a[NCHAN+1] = {
 		[MOUSE] = {mc->c, &m, CHANRCV},
 		[RESIZE] = {mc->resizec, nil, CHANRCV},
@@ -148,32 +161,33 @@
 		[KEYBD] = {kc->c, &r, CHANRCV},
 		[NCHAN] = {nil, nil, CHANEND},
 	};
-	drawtext(chan, 1);
-	for(;;){
-		switch(alt(a)){
-		default:
+	drawtext(chan, 1, screen);
+	draw(screennicks, screennicks->r, cols[BACK], nil, ZP);
+	flushimage(display, 1);
+	for(;;)switch(alt(a)){
+	default:
+		break;
+	case KEYBD:
+		if(r == Kdel)
+			goto end;
+		break;
+	case MOUSE:
+		if(!ptinrect(m.xy, scrollr))
 			break;
-		case KEYBD:
-			if(r == Kdel)
-				goto end;
-			break;
-		case MOUSE:
-			if(!ptinrect(m.xy, scrollr))
-				break;
-			while(m.buttons == 2){
-				setcurline(m.xy.y, chan);
-				drawtext(chan, 0);
-				readmouse(mc);
-				m = *mc;
-			}
-			break;
-		case RESIZE:
-			if(getwindow(display, Refnone) < 0)
-				sysfatal("%s: %r", argv0);
-			drawtext(chan, 1);
-			break;
+		while(m.buttons == 2){
+			setcurline(m.xy.y, chan);
+			drawtext(chan, 0, screen);
+			readmouse(mc);
+			m = *mc;
 		}
+		break;
+	case RESIZE:
+		if(getwindow(display, Refnone) < 0)
+			sysfatal("%s: %r", argv0);
+		drawtext(chan, 1, screen);
+		break;
 	}
 end:
+	unmount(nil, "/mnt/wsysnicks");
 	threadexitsall(0);
 }