Module Name:    src
Committed By:   uwe
Date:           Wed Nov 24 14:34:51 UTC 2021

Modified Files:
        src/usr.sbin/wsmoused: selection.c wsmoused.c wsmoused.h

Log Message:
wsmoused: support absolute mouse position events

Tested with VirtualBox Guest Addtions.


To generate a diff of this commit:
cvs rdiff -u -r1.10 -r1.11 src/usr.sbin/wsmoused/selection.c
cvs rdiff -u -r1.27 -r1.28 src/usr.sbin/wsmoused/wsmoused.c
cvs rdiff -u -r1.9 -r1.10 src/usr.sbin/wsmoused/wsmoused.h

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/usr.sbin/wsmoused/selection.c
diff -u src/usr.sbin/wsmoused/selection.c:1.10 src/usr.sbin/wsmoused/selection.c:1.11
--- src/usr.sbin/wsmoused/selection.c:1.10	Sun May 27 15:05:00 2007
+++ src/usr.sbin/wsmoused/selection.c	Wed Nov 24 14:34:51 2021
@@ -1,4 +1,4 @@
-/* $NetBSD: selection.c,v 1.10 2007/05/27 15:05:00 jmmv Exp $ */
+/* $NetBSD: selection.c,v 1.11 2021/11/24 14:34:51 uwe Exp $ */
 
 /*
  * Copyright (c) 2002, 2003, 2004, 2007 The NetBSD Foundation, Inc.
@@ -32,7 +32,7 @@
 #include <sys/cdefs.h>
 
 #ifndef lint
-__RCSID("$NetBSD: selection.c,v 1.10 2007/05/27 15:05:00 jmmv Exp $");
+__RCSID("$NetBSD: selection.c,v 1.11 2021/11/24 14:34:51 uwe Exp $");
 #endif /* not lint */
 
 #include <sys/ioctl.h>
@@ -226,6 +226,7 @@ selection_cleanup(void)
 void
 selection_wsmouse_event(struct wscons_event evt)
 {
+	const struct wsmouse_calibcoords *abs = &Selmouse.sm_mouse->m_calib;
 
 	if (IS_MOTION_EVENT(evt.type)) {
 		if (Selmouse.sm_selecting)
@@ -259,7 +260,30 @@ selection_wsmouse_event(struct wscons_ev
 				Selmouse.sm_count_y++;
 			break;
 
-		case WSCONS_EVENT_MOUSE_DELTA_Z:
+		case WSCONS_EVENT_MOUSE_DELTA_Z: /* FALLTHROUGH */
+		case WSCONS_EVENT_MOUSE_DELTA_W:
+			break;
+
+		case WSCONS_EVENT_MOUSE_ABSOLUTE_X:
+			if (!Selmouse.sm_mouse->m_doabs)
+				break;
+			/* max x is inclusive in both selmouse and tpcalib */
+			Selmouse.sm_x
+			    = ((evt.value - abs->minx) * (Selmouse.sm_max_x + 1))
+			      / (abs->maxx - abs->minx + 1);
+			break;
+
+		case WSCONS_EVENT_MOUSE_ABSOLUTE_Y:
+			if (!Selmouse.sm_mouse->m_doabs)
+				break;
+			/* max y is inclusive in both selmouse and tpcalib */
+			Selmouse.sm_y
+			    = ((evt.value - abs->miny) * (Selmouse.sm_max_y + 1))
+			      / (abs->maxy - abs->miny + 1);
+			break;
+
+		case WSCONS_EVENT_MOUSE_ABSOLUTE_Z: /* FALLTHROUGH */
+		case WSCONS_EVENT_MOUSE_ABSOLUTE_W:
 			break;
 
 		default:

Index: src/usr.sbin/wsmoused/wsmoused.c
diff -u src/usr.sbin/wsmoused/wsmoused.c:1.27 src/usr.sbin/wsmoused/wsmoused.c:1.28
--- src/usr.sbin/wsmoused/wsmoused.c:1.27	Wed Sep  1 06:10:06 2021
+++ src/usr.sbin/wsmoused/wsmoused.c	Wed Nov 24 14:34:51 2021
@@ -1,4 +1,4 @@
-/* $NetBSD: wsmoused.c,v 1.27 2021/09/01 06:10:06 mlelstv Exp $ */
+/* $NetBSD: wsmoused.c,v 1.28 2021/11/24 14:34:51 uwe Exp $ */
 
 /*
  * Copyright (c) 2002, 2003, 2004 The NetBSD Foundation, Inc.
@@ -34,7 +34,7 @@
 #ifndef lint
 __COPYRIGHT("@(#) Copyright (c) 2002, 2003\
  The NetBSD Foundation, Inc.  All rights reserved.");
-__RCSID("$NetBSD: wsmoused.c,v 1.27 2021/09/01 06:10:06 mlelstv Exp $");
+__RCSID("$NetBSD: wsmoused.c,v 1.28 2021/11/24 14:34:51 uwe Exp $");
 #endif /* not lint */
 
 #include <sys/ioctl.h>
@@ -250,7 +250,7 @@ init_mouse(void)
 static void
 open_device(unsigned int secs)
 {
-	int version = WSMOUSE_EVENT_VERSION;
+	int status;
 
 	if (Mouse.m_devfd != -1)
 		return;
@@ -262,10 +262,38 @@ open_device(unsigned int secs)
 	if (Mouse.m_devfd == -1)
 		log_err(EXIT_FAILURE, "cannot open %s", Mouse.m_devname);
 
-	if (ioctl(Mouse.m_devfd, WSMOUSEIO_SETVERSION, &version) == -1)
+	const int version = WSMOUSE_EVENT_VERSION;
+	status = ioctl(Mouse.m_devfd, WSMOUSEIO_SETVERSION, &version);
+	if (status == -1)
 		log_err(EXIT_FAILURE, "cannot set version %s", Mouse.m_devname);
+
+
+	/*
+	 * Get calibration data for touch panel.  Not fatal if we can't.
+	 */
+	Mouse.m_doabs = 0;
+
+	unsigned int mouse_type = 0; /* defined WSMOUSE_TYPE_* start at 1 */
+	status = ioctl(Mouse.m_devfd, WSMOUSEIO_GTYPE, &mouse_type);
+	if (status == -1) {
+		log_warn("WSMOUSEIO_GTYPE");
+		return;
+	}
+
+	/* absolute position events make no sense for free-ranging mice */
+	if (mouse_type != WSMOUSE_TYPE_TPANEL)
+		return;
+
+	status = ioctl(Mouse.m_devfd, WSMOUSEIO_GCALIBCOORDS, &Mouse.m_calib);
+	if (status == -1) {
+		log_warn("WSMOUSEIO_GCALIBCOORDS");
+		return;
+	}
+
+	Mouse.m_doabs = 1;
 }
 
+
 /* --------------------------------------------------------------------- */
 
 /* Main program event loop.  This function polls the wscons status

Index: src/usr.sbin/wsmoused/wsmoused.h
diff -u src/usr.sbin/wsmoused/wsmoused.h:1.9 src/usr.sbin/wsmoused/wsmoused.h:1.10
--- src/usr.sbin/wsmoused/wsmoused.h:1.9	Sat Mar 18 02:06:38 2006
+++ src/usr.sbin/wsmoused/wsmoused.h	Wed Nov 24 14:34:51 2021
@@ -1,4 +1,4 @@
-/* $NetBSD: wsmoused.h,v 1.9 2006/03/18 02:06:38 elad Exp $ */
+/* $NetBSD: wsmoused.h,v 1.10 2021/11/24 14:34:51 uwe Exp $ */
 
 /*
  * Copyright (c) 2002, 2003, 2004 The NetBSD Foundation, Inc.
@@ -34,7 +34,13 @@
 
 #define IS_MOTION_EVENT(type) (((type) == WSCONS_EVENT_MOUSE_DELTA_X) || \
                                ((type) == WSCONS_EVENT_MOUSE_DELTA_Y) || \
-                               ((type) == WSCONS_EVENT_MOUSE_DELTA_Z))
+                               ((type) == WSCONS_EVENT_MOUSE_DELTA_Z) || \
+                               ((type) == WSCONS_EVENT_MOUSE_DELTA_W) || \
+                               ((type) == WSCONS_EVENT_MOUSE_ABSOLUTE_X) || \
+                               ((type) == WSCONS_EVENT_MOUSE_ABSOLUTE_Y) || \
+                               ((type) == WSCONS_EVENT_MOUSE_ABSOLUTE_Z) || \
+                               ((type) == WSCONS_EVENT_MOUSE_ABSOLUTE_W))
+
 #define IS_BUTTON_EVENT(type) (((type) == WSCONS_EVENT_MOUSE_UP) || \
                                ((type) == WSCONS_EVENT_MOUSE_DOWN))
 
@@ -45,6 +51,10 @@ struct mouse {
 	char *m_devname;        /* File name of wsmouse device */
 	char *m_fifoname;       /* File name of fifo */
 	int   m_disabled;       /* Whether if the mouse is disabled or not */
+
+	/* support for absolute position events */
+	int m_doabs;
+	struct wsmouse_calibcoords m_calib;
 };
 
 struct mode_bootstrap {

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