[PATCH libinput] evdev: fix inverted mouse normalization
Hans de Goede
hdegoede at redhat.com
Wed Apr 8 02:44:42 PDT 2015
Hi,
On 08-04-15 08:05, Peter Hutterer wrote:
> Regression introduced in 9f8edc5fd880e0a9c482b36e6b4120ccc056ee0b where it
> changed from delta / (dpi/default) to delta * dpi/default, causing the inverse
> effect of what the dpi setting is supposed to achieve.
>
> Signed-off-by: Peter Hutterer <peter.hutterer at who-t.net>
Looks good, I've added my Rev-by and pushed this.
Regards,
Hans
> ---
> src/evdev.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/src/evdev.c b/src/evdev.c
> index 00450bf..243cd22 100644
> --- a/src/evdev.c
> +++ b/src/evdev.c
> @@ -230,8 +230,8 @@ normalize_delta(struct evdev_device *device,
> const struct device_coords *delta,
> struct normalized_coords *normalized)
> {
> - normalized->x = delta->x * (double)device->dpi / DEFAULT_MOUSE_DPI;
> - normalized->y = delta->y * (double)device->dpi / DEFAULT_MOUSE_DPI;
> + normalized->x = delta->x * DEFAULT_MOUSE_DPI / (double)device->dpi;
> + normalized->y = delta->y * DEFAULT_MOUSE_DPI / (double)device->dpi;
> }
>
> static void
>
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