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settings: Support mouse and trackball accel profile

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Support changing the mouse and trackball acceleration profile. This
makes it possible to for example disable pointer acceleration by
choosing the 'flat' profile.

This adds an optional dependency on gudev. Gudev is used by the X11
backend to detect whether a device is a mouse or not. Without gudev
support, the accel profile settings has have effect for mouse devices.

Trackball still uses the "strstr" approach, since udev doesn't support
tagging devices as trackball devices yet.

https://bugzilla.gnome.org/show_bug.cgi?id=769179
This commit is contained in:
Jonas Ådahl
2016-04-07 15:44:28 +08:00
parent cfe5d7429a
commit 23c4ac6c7f
5 changed files with 375 additions and 5 deletions
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109
src/backends/native/meta-input-settings-native.c
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@ -275,6 +275,112 @@ meta_input_settings_native_set_keyboard_repeat (MetaInputSettings *settings,
clutter_evdev_set_keyboard_repeat (manager, enabled, delay, interval);
}
static void
set_device_accel_profile (ClutterInputDevice *device,
GDesktopPointerAccelProfile profile)
{
struct libinput_device *libinput_device;
enum libinput_config_accel_profile libinput_profile;
uint32_t profiles;
libinput_device = clutter_evdev_input_device_get_libinput_device (device);
switch (profile)
{
case G_DESKTOP_POINTER_ACCEL_PROFILE_FLAT:
libinput_profile = LIBINPUT_CONFIG_ACCEL_PROFILE_FLAT;
break;
case G_DESKTOP_POINTER_ACCEL_PROFILE_ADAPTIVE:
libinput_profile = LIBINPUT_CONFIG_ACCEL_PROFILE_ADAPTIVE;
break;
default:
g_warn_if_reached ();
case G_DESKTOP_POINTER_ACCEL_PROFILE_DEFAULT:
libinput_profile =
libinput_device_config_accel_get_default_profile (libinput_device);
}
profiles = libinput_device_config_accel_get_profiles (libinput_device);
if ((profiles & libinput_profile) == 0)
{
libinput_profile =
libinput_device_config_accel_get_default_profile (libinput_device);
}
libinput_device_config_accel_set_profile (libinput_device,
libinput_profile);
}
static gboolean
has_udev_property (ClutterInputDevice *device,
const char *property)
{
struct libinput_device *libinput_device;
struct udev_device *udev_device;
struct udev_device *parent_udev_device;
libinput_device = clutter_evdev_input_device_get_libinput_device (device);
if (!libinput_device)
return FALSE;
udev_device = libinput_device_get_udev_device (libinput_device);
if (!udev_device)
return FALSE;
if (NULL != udev_device_get_property_value (udev_device, property))
{
udev_device_unref (udev_device);
return TRUE;
}
parent_udev_device = udev_device_get_parent (udev_device);
udev_device_unref (udev_device);
if (!parent_udev_device)
return FALSE;
if (NULL != udev_device_get_property_value (parent_udev_device, property))
return TRUE;
return FALSE;
}
static gboolean
is_mouse_device (ClutterInputDevice *device)
{
return (has_udev_property (device, "ID_INPUT_MOUSE") &&
!has_udev_property (device, "ID_INPUT_POINTINGSTICK"));
}
static gboolean
is_trackball_device (ClutterInputDevice *device)
{
return meta_input_device_is_trackball (device);
}
static void
meta_input_settings_native_set_mouse_accel_profile (MetaInputSettings *settings,
ClutterInputDevice *device,
GDesktopPointerAccelProfile profile)
{
if (!is_mouse_device (device))
return;
set_device_accel_profile (device, profile);
}
static void
meta_input_settings_native_set_trackball_accel_profile (MetaInputSettings *settings,
ClutterInputDevice *device,
GDesktopPointerAccelProfile profile)
{
if (!is_trackball_device (device))
return;
set_device_accel_profile (device, profile);
}
static void
meta_input_settings_native_set_tablet_mapping (MetaInputSettings *settings,
ClutterInputDevice *device,
@ -332,6 +438,9 @@ meta_input_settings_native_class_init (MetaInputSettingsNativeClass *klass)
input_settings_class->set_tablet_mapping = meta_input_settings_native_set_tablet_mapping;
input_settings_class->set_tablet_keep_aspect = meta_input_settings_native_set_tablet_keep_aspect;
input_settings_class->set_tablet_area = meta_input_settings_native_set_tablet_area;
input_settings_class->set_mouse_accel_profile = meta_input_settings_native_set_mouse_accel_profile;
input_settings_class->set_trackball_accel_profile = meta_input_settings_native_set_trackball_accel_profile;
}
static void