diff options
| -rw-r--r-- | plugins/mouse/msd-mouse-manager.c | 90 |
1 files changed, 88 insertions, 2 deletions
diff --git a/plugins/mouse/msd-mouse-manager.c b/plugins/mouse/msd-mouse-manager.c index 6c9dd99..ab1b116 100644 --- a/plugins/mouse/msd-mouse-manager.c +++ b/plugins/mouse/msd-mouse-manager.c @@ -511,8 +511,8 @@ set_devicepresence_handler (MsdMouseManager *manager) } static void -set_motion (MsdMouseManager *manager, - XDeviceInfo *device_info) +set_motion_legacy_driver (MsdMouseManager *manager, + XDeviceInfo *device_info) { XDevice *device; XPtrFeedbackControl feedback; @@ -601,6 +601,92 @@ set_motion (MsdMouseManager *manager, } static void +set_motion_libinput (MsdMouseManager *manager, + XDeviceInfo *device_info) +{ + XDevice *device; + Atom prop; + Atom type; + Atom float_type; + int format, rc; + unsigned long nitems, bytes_after; + GSettings *settings; + union { + unsigned char *c; + long *l; + } data; + gfloat accel; + gfloat motion_acceleration; + + float_type = property_from_name ("FLOAT"); + if (!float_type) + return; + + prop = property_from_name ("libinput Accel Speed"); + if (!prop) { + return; + } + + device = device_is_touchpad (device_info); + if (device != NULL) { + settings = manager->priv->settings_touchpad; + } else { + gdk_error_trap_push (); + device = XOpenDevice (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), device_info->id); + if ((gdk_error_trap_pop () != 0) || (device == NULL)) + return; + + settings = manager->priv->settings_mouse; + } + + /* Calculate acceleration */ + motion_acceleration = g_settings_get_double (settings, KEY_MOTION_ACCELERATION); + + /* panel gives us a range of 1.0-10.0, map to libinput's [-1, 1] + * + * oldrange = (oldmax - oldmin) + * newrange = (newmax - newmin) + * + * mapped = (value - oldmin) * newrange / oldrange + oldmin + */ + + if (motion_acceleration == -1.0) /* unset */ + accel = 0.0; + else + accel = (motion_acceleration - 1.0) * 2.0 / 9.0 - 1; + + gdk_error_trap_push (); + rc = XGetDeviceProperty (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), + device, prop, 0, 1, False, float_type, &type, &format, + &nitems, &bytes_after, &data.c); + + if (rc == Success && type == float_type && format == 32 && nitems >= 1) { + *(float *) data.l = accel; + XChangeDeviceProperty (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), + device, prop, float_type, 32, PropModeReplace, data.c, nitems); + } + + if (rc == Success) { + XFree (data.c); + } + + XCloseDevice (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), device); + if (gdk_error_trap_pop ()) { + g_warning ("Error while setting accel speed on \"%s\"", device_info->name); + } +} + +static void +set_motion (MsdMouseManager *manager, + XDeviceInfo *device_info) +{ + if (property_exists_on_device (device_info, "libinput Accel Speed")) + set_motion_libinput (manager, device_info); + else + set_motion_legacy_driver (manager, device_info); +} + +static void set_motion_all (MsdMouseManager *manager) { XDeviceInfo *device_info; |