swc

commit bba112e9c73e713d938cf512fa7a7232650df24a
parent 454b971658ba420bbbee33c154de914dffba5405
Author: Michael Forney <mforney@mforney.org>
Date:   Fri, 10 Feb 2017 16:54:20 -0800

evdev_device: Generate axis events for BTN_GEAR_DOWN and BTN_GEAR_UP

Diffstat:
M
libswc/evdev_device.c
 | 
12
++++++++++++

1 file changed, 12 insertions(+), 0 deletions(-)
diff --git a/libswc/evdev_device.c b/libswc/evdev_device.c
@@ -59,6 +59,18 @@ handle_key_event(struct evdev_device *device, struct input_event *ev)
 	if ((ev->code >= BTN_MISC && ev->code <= BTN_GEAR_UP) || ev->code >= BTN_TRIGGER_HAPPY) {
 		state = ev->value ? WL_POINTER_BUTTON_STATE_PRESSED : WL_POINTER_BUTTON_STATE_RELEASED;
 		device->handler->button(time, ev->code, state);
+		if (state == WL_POINTER_BUTTON_STATE_PRESSED) {
+			/* qemu generates GEAR_UP/GEAR_DOWN events on scroll, so
+			 * pass those through as axis events. */
+			switch (ev->code) {
+			case BTN_GEAR_DOWN:
+				device->handler->axis(time, WL_POINTER_AXIS_VERTICAL_SCROLL, wl_fixed_from_int(AXIS_STEP_DISTANCE));
+				break;
+			case BTN_GEAR_UP:
+				device->handler->axis(time, WL_POINTER_AXIS_VERTICAL_SCROLL, wl_fixed_from_int(-AXIS_STEP_DISTANCE));
+				break;
+			}
+		}
 	} else {
 		state = ev->value ? WL_KEYBOARD_KEY_STATE_PRESSED : WL_KEYBOARD_KEY_STATE_RELEASED;
 		device->handler->key(time, ev->code, state);