shithub: qk2

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in: don't recenter mouse on every movement and ignore first event after resize

--- a/in.c

+++ b/in.c

@@ -8,9 +8,10 @@

 #include "dat.h"

 #include "fns.h"

-extern int resized;		/* vid.c */

+extern int resized;

 extern Point center;

-extern Channel *fuckchan, *tchan;	/* sys.c */

+extern Channel *fuckchan, *tchan;

+extern Rectangle grabr;

 cvar_t *in_joystick;

 cvar_t *sensitivity;

@@ -25,7 +26,7 @@

 static cvar_t *m_side;

 static cvar_t *m_forward;

-static int mouseon;

+static int mouseon, fixms;

 static int mlooking;

 static int dx, dy;

 static int oldmwin;

@@ -77,6 +78,7 @@

 			return;

 		}

 		write(fd, nocurs, sizeof nocurs);

+		fixms++;

 	}else if(fd >= 0){

 		close(fd);

 		fd = -1;

@@ -102,7 +104,7 @@

 		else if(~btn & b && oldb & b)

 			Key_Event(K_MOUSE1+i, false, msec);

 	}

-	oldb = btn;

+	oldb = btn & 7;

 	/* mwheelup and mwheeldn buttons are never held down */

 	for(i = 3; i < 5; i++){

 		b = 1<<i;

@@ -311,13 +313,14 @@

 static void

 mproc(void *)

 {

-	int n, nerr = 0, fd;

+	int n, nerr, fd;

 	char buf[1+5*12];

 	Mouse m;

+	Point p, o;

 	if((fd = open("/dev/mouse", ORDWR)) < 0)

 		sysfatal("mproc: %r");

-	for(;;){

+	for(nerr=0;;){

 		if((n = read(fd, buf, sizeof buf)) != 1+4*12){

 			if(n < 0 || ++nerr > 10)

 				break;

@@ -332,15 +335,24 @@

 		case 'm':

 			if(!mouseon)

 				break;

-

-			m.xy.x = atoi(buf+1+0*12) - center.x;

-			m.xy.y = atoi(buf+1+1*12) - center.y;

-			if(m.xy.x != 0 || m.xy.y != 0)

-				fprint(fd, "m%d %d", center.x, center.y);

+			if(fixms){

+				fixms = 0;

+				goto res;

+			}

+			p.x = atoi(buf+1+0*12);

+			p.y = atoi(buf+1+1*12);

+			m.xy.x = p.x - o.x;

+			m.xy.y = p.y - o.y;

 			m.buttons = atoi(buf+1+2*12);

 			m.msec = atoi(buf+1+3*12);

 			if(nbsend(mchan, &m) < 0)

 				goto end;

+			if(!ptinrect(p, grabr)){

+		res:

+				fprint(fd, "m%d %d", center.x, center.y);

+				p = center;

+			}

+			o = p;

 			break;

 		}

 	}

--- a/vid.c

+++ b/vid.c

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

 refexport_t re;	/* exported functions from refresh DLL */

 int resized;

 Point center;

+Rectangle grabr;

 typedef ulong PIXEL;

@@ -52,6 +53,8 @@

 static void

 resetfb(void)

 {

+	Point p;

+

 	vid.width = Dx(screen->r);

 	vid.height = Dy(screen->r);

 	free(fb);

@@ -62,6 +65,8 @@

 	vid.buffer = fb;

 	vid.rowbytes = vid.width * sizeof *fbpal;

 	center = addpt(screen->r.min, Pt(vid.width/2, vid.height/2));

+	p = Pt(vid.width/4, vid.height/4);

+	grabr = Rpt(subpt(center, p), addpt(center, p));

 	sw_mode->modified = true;	/* make ref_soft refresh its shit */

 }