libinput: Add tap configuration to weston.ini

Enable by adding the following to your weston.ini:

[libinput]
enable_tap=true

This also makes weston require libinput >= 0.5.0.

Signed-off-by: Jonas Ådahl <jadahl@gmail.com>

src/libinput-device.c

@@ -297,6 +297,29 @@ evdev_device_set_output(struct evdev_device *device,
 		      &device->output_destroy_listener);
 }
 
+static void
+configure_device(struct evdev_device *device)
+{
+	struct weston_compositor *compositor = device->seat->compositor;
+	struct weston_config_section *s;
+	int enable_tap;
+	int enable_tap_default;
+
+	s = weston_config_get_section(compositor->config,
+				      "libinput", NULL, NULL);
+
+	if (libinput_device_config_tap_get_finger_count(device->device) > 0) {
+		enable_tap_default =
+			libinput_device_config_tap_get_default_enabled(
+				device->device);
+		weston_config_section_get_bool(s, "enable_tap",
+					       &enable_tap,
+					       enable_tap_default);
+		libinput_device_config_tap_set_enabled(device->device,
+						       enable_tap);
+	}
+}
+
 struct evdev_device *
 evdev_device_create(struct libinput_device *libinput_device,
 		    struct weston_seat *seat)
@@ -330,6 +353,8 @@ evdev_device_create(struct libinput_device *libinput_device,
 	libinput_device_set_user_data(libinput_device, device);
 	libinput_device_ref(libinput_device);
 
+	configure_device(device);
+
 	return device;
 }