libinput/0008-filter-pass-the-DPI-to-the-acceleration-filter.patch
Peter Hutterer 7eb3526873 Steepen deceleration curve to get better 1:1 movement on slow speeds
(#1231304)
- Provide custom accel method for <1000dpi mice (#1227039)
2015-06-29 11:19:32 +10:00

123 lines
3.5 KiB
Diff

From 415bc6d956e9c4836f20e661e3ee77d2adfb1cd5 Mon Sep 17 00:00:00 2001
From: Peter Hutterer <peter.hutterer@who-t.net>
Date: Fri, 19 Jun 2015 16:03:42 +1000
Subject: [PATCH libinput 8/9] filter: pass the DPI to the acceleration filter
Currently unused, but store the ratio of DPI:default DPI for later use.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
---
src/evdev.c | 3 ++-
src/evdev.h | 3 ---
src/filter.c | 7 ++++++-
src/filter.h | 3 ++-
src/libinput-util.h | 3 +++
tools/ptraccel-debug.c | 3 ++-
6 files changed, 15 insertions(+), 7 deletions(-)
diff --git a/src/evdev.c b/src/evdev.c
index a5f1d47..b98b47a 100644
--- a/src/evdev.c
+++ b/src/evdev.c
@@ -1409,7 +1409,8 @@ int
evdev_device_init_pointer_acceleration(struct evdev_device *device,
accel_profile_func_t profile)
{
- device->pointer.filter = create_pointer_accelerator_filter(profile);
+ device->pointer.filter = create_pointer_accelerator_filter(profile,
+ device->dpi);
if (!device->pointer.filter)
return -1;
diff --git a/src/evdev.h b/src/evdev.h
index 566b0a4..b58e021 100644
--- a/src/evdev.h
+++ b/src/evdev.h
@@ -36,9 +36,6 @@
#include "timer.h"
#include "filter.h"
-/* The HW DPI rate we normalize to before calculating pointer acceleration */
-#define DEFAULT_MOUSE_DPI 1000
-
/*
* The constant (linear) acceleration factor we use to normalize trackpoint
* deltas before calculating pointer acceleration.
diff --git a/src/filter.c b/src/filter.c
index 1e05782..04dd2b9 100644
--- a/src/filter.c
+++ b/src/filter.c
@@ -111,6 +111,8 @@ struct pointer_accelerator {
double threshold; /* units/ms */
double accel; /* unitless factor */
double incline; /* incline of the function */
+
+ double dpi_factor;
};
static void
@@ -346,7 +348,8 @@ struct motion_filter_interface accelerator_interface = {
};
struct motion_filter *
-create_pointer_accelerator_filter(accel_profile_func_t profile)
+create_pointer_accelerator_filter(accel_profile_func_t profile,
+ int dpi)
{
struct pointer_accelerator *filter;
@@ -369,6 +372,8 @@ create_pointer_accelerator_filter(accel_profile_func_t profile)
filter->accel = DEFAULT_ACCELERATION;
filter->incline = DEFAULT_INCLINE;
+ filter->dpi = dpi;
+
return &filter->base;
}
diff --git a/src/filter.h b/src/filter.h
index de94997..64a8b50 100644
--- a/src/filter.h
+++ b/src/filter.h
@@ -58,7 +58,8 @@ typedef double (*accel_profile_func_t)(struct motion_filter *filter,
uint64_t time);
struct motion_filter *
-create_pointer_accelerator_filter(accel_profile_func_t filter);
+create_pointer_accelerator_filter(accel_profile_func_t filter,
+ int dpi);
/*
* Pointer acceleration profiles.
diff --git a/src/libinput-util.h b/src/libinput-util.h
index 4f73ad4..bb4834e 100644
--- a/src/libinput-util.h
+++ b/src/libinput-util.h
@@ -37,6 +37,9 @@
#define VENDOR_ID_APPLE 0x5ac
#define VENDOR_ID_WACOM 0x56a
+/* The HW DPI rate we normalize to before calculating pointer acceleration */
+#define DEFAULT_MOUSE_DPI 1000
+
void
set_logging_enabled(int enabled);
diff --git a/tools/ptraccel-debug.c b/tools/ptraccel-debug.c
index 335781b..9fdb4cd 100644
--- a/tools/ptraccel-debug.c
+++ b/tools/ptraccel-debug.c
@@ -199,7 +199,8 @@ main(int argc, char **argv)
OPT_SPEED,
};
- filter = create_pointer_accelerator_filter(pointer_accel_profile_linear);
+ filter = create_pointer_accelerator_filter(pointer_accel_profile_linear,
+ 1000);
assert(filter != NULL);
while (1) {
--
2.4.3