Move DEFAULT_MOUSE_DPI to filter.h

The filter code is what relies on some default dpi configuration to apply
pointer acceleration and expects the input coordinates to be pre-scaled to
that resolution.

Let's move the define here so we can use it from the touchpad code too.

No functional changes.

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

1 files changed, 3 insertions, 0 deletions

diff --git a/src/filter.h b/src/filter.h
index 9b126183..e96212a3 100644
--- a/src/filter.h
+++ b/src/filter.h
@@ -28,6 +28,9 @@
 #include <stdbool.h>
 #include <stdint.h>
 
+/* The HW DPI rate we normalize to before calculating pointer acceleration */
+#define DEFAULT_MOUSE_DPI 400
+
 struct motion_params {
 	double dx, dy; /* in units/ms @ DEFAULT_MOUSE_DPI resolution */
 };