From: Peter Hutterer <peter.hutterer@who-t.net>
Date: Thu, 3 Jul 2014 23:04:10 +0000 (+1000)
Subject: tools: map KEY_UP/DOWN to pointer acceleration
X-Git-Tag: 0.7.0~104
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=fb5f44f7948b72eb9788ac7ccfd837bb9e73356c;p=platform%2Fupstream%2Flibinput.git

tools: map KEY_UP/DOWN to pointer acceleration

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
---

diff --git a/tools/event-gui.c b/tools/event-gui.c
index fcae236c..142990d5 100644
--- a/tools/event-gui.c
+++ b/tools/event-gui.c
@@ -223,6 +223,41 @@ window_cleanup(struct window *w)
 	}
 }
 
+static void
+change_ptraccel(struct window *w, double amount)
+{
+	struct libinput_device **dev;
+
+	ARRAY_FOR_EACH(w->devices, dev) {
+		double speed;
+		enum libinput_config_status status;
+
+		if (*dev == NULL)
+			continue;
+
+		if (!libinput_device_config_accel_is_available(*dev))
+			continue;
+
+		speed = libinput_device_config_accel_get_speed(*dev);
+		speed = clip(speed + amount, -1, 1);
+
+		status = libinput_device_config_accel_set_speed(*dev, speed);
+
+		if (status != LIBINPUT_CONFIG_STATUS_SUCCESS) {
+			msg("%s: failed to change accel to %.2f (%s)\n",
+			    libinput_device_get_name(*dev),
+			    speed,
+			    libinput_config_status_to_str(status));
+		} else {
+			printf("%s: speed is %.2f\n",
+			       libinput_device_get_name(*dev),
+			       speed);
+		}
+
+	}
+}
+
+
 static void
 handle_event_device_notify(struct libinput_event *ev)
 {
@@ -344,9 +379,24 @@ static int
 handle_event_keyboard(struct libinput_event *ev, struct window *w)
 {
 	struct libinput_event_keyboard *k = libinput_event_get_keyboard_event(ev);
+	unsigned int key = libinput_event_keyboard_get_key(k);
+
+	if (libinput_event_keyboard_get_key_state(k) ==
+	    LIBINPUT_KEY_STATE_RELEASED)
+		return 0;
 
-	if (libinput_event_keyboard_get_key(k) == KEY_ESC)
+	switch(key) {
+	case KEY_ESC:
 		return 1;
+	case KEY_UP:
+		change_ptraccel(w, 0.1);
+		break;
+	case KEY_DOWN:
+		change_ptraccel(w, -0.1);
+		break;
+	default:
+		break;
+	}
 
 	return 0;
 }