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backends/x11: Support synaptics configuration
The code is taken mostly as-is from g-s-d, so we can drag the dead horse a bit longer.
This commit is contained in:
Carlos Garnacho
Ray Strode
parent
a280a6dbf3
commit
333d775aba
@ -26,6 +26,7 @@
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#include "meta-backend-x11.h"
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#include "meta-input-settings-x11.h"
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#include <stdlib.h>
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#include <string.h>
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#include <gdk/gdkx.h>
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#include <X11/Xatom.h>
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@ -159,6 +160,178 @@ change_property (ClutterInputDevice *device,
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meta_XFree (data_ret);
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}
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static gboolean
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is_device_synaptics (ClutterInputDevice *device)
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{
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guchar *has_setting;
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/* We just need looking for a synaptics-specific property */
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has_setting = get_property (device, "Synaptics Off", XA_INTEGER, 8, 1);
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if (!has_setting)
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return FALSE;
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meta_XFree (has_setting);
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return TRUE;
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}
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static void
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change_synaptics_tap_left_handed (ClutterInputDevice *device,
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gboolean tap_enabled,
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gboolean left_handed)
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{
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MetaDisplay *display = meta_get_display ();
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MetaBackend *backend = meta_get_backend ();
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Display *xdisplay = meta_backend_x11_get_xdisplay (META_BACKEND_X11 (backend));
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XDevice *xdevice;
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guchar *tap_action, *buttons;
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guint buttons_capacity = 16, n_buttons;
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xdevice = XOpenDevice(xdisplay, clutter_input_device_get_device_id (device));
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if (!xdevice)
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return;
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tap_action = get_property (device, "Synaptics Tap Action",
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XA_INTEGER, 8, 7);
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if (!tap_action)
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goto out;
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tap_action[4] = tap_enabled ? (left_handed ? 3 : 1) : 0;
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tap_action[5] = tap_enabled ? (left_handed ? 1 : 3) : 0;
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tap_action[6] = tap_enabled ? 2 : 0;
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change_property (device, "Synaptics Tap Action",
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XA_INTEGER, 8, tap_action, 7);
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meta_XFree (tap_action);
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if (display)
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meta_error_trap_push (display);
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buttons = g_new (guchar, buttons_capacity);
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n_buttons = XGetDeviceButtonMapping (xdisplay, xdevice,
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buttons, buttons_capacity);
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while (n_buttons > buttons_capacity)
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{
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buttons_capacity = n_buttons;
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buttons = (guchar *) g_realloc (buttons,
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buttons_capacity * sizeof (guchar));
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n_buttons = XGetDeviceButtonMapping (xdisplay, xdevice,
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buttons, buttons_capacity);
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}
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buttons[0] = left_handed ? 3 : 1;
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buttons[2] = left_handed ? 1 : 3;
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XSetDeviceButtonMapping (xdisplay, xdevice, buttons, n_buttons);
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g_free (buttons);
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if (display && meta_error_trap_pop_with_return (display))
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{
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g_warning ("Could not set synaptics touchpad left-handed for %s",
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clutter_input_device_get_device_name (device));
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}
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out:
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XCloseDevice (xdisplay, xdevice);
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}
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static void
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change_synaptics_speed (ClutterInputDevice *device,
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gdouble speed)
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{
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MetaDisplay *display = meta_get_display ();
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MetaBackend *backend = meta_get_backend ();
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Display *xdisplay = meta_backend_x11_get_xdisplay (META_BACKEND_X11 (backend));
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XDevice *xdevice;
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XPtrFeedbackControl feedback;
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XFeedbackState *states, *state;
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int i, num_feedbacks, motion_threshold, numerator, denominator;
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gfloat motion_acceleration;
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xdevice = XOpenDevice(xdisplay, clutter_input_device_get_device_id (device));
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if (!xdevice)
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return;
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/* Get the list of feedbacks for the device */
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states = XGetFeedbackControl (xdisplay, xdevice, &num_feedbacks);
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if (!states)
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return;
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/* Calculate acceleration and threshold */
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motion_acceleration = (speed + 1) * 5; /* speed is [-1..1], map to [0..10] */
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motion_threshold = CLAMP (10 - floor (motion_acceleration), 1, 10);
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if (motion_acceleration >= 1.0)
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{
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/* we want to get the acceleration, with a resolution of 0.5
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*/
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if ((motion_acceleration - floor (motion_acceleration)) < 0.25)
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{
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numerator = floor (motion_acceleration);
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denominator = 1;
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}
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else if ((motion_acceleration - floor (motion_acceleration)) < 0.5)
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{
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numerator = ceil (2.0 * motion_acceleration);
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denominator = 2;
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}
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else if ((motion_acceleration - floor (motion_acceleration)) < 0.75)
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{
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numerator = floor (2.0 *motion_acceleration);
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denominator = 2;
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}
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else
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{
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numerator = ceil (motion_acceleration);
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denominator = 1;
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}
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}
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else if (motion_acceleration < 1.0 && motion_acceleration > 0)
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{
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/* This we do to 1/10ths */
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numerator = floor (motion_acceleration * 10) + 1;
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denominator= 10;
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}
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else
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{
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numerator = -1;
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denominator = -1;
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}
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if (display)
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meta_error_trap_push (display);
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state = (XFeedbackState *) states;
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for (i = 0; i < num_feedbacks; i++)
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{
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if (state->class == PtrFeedbackClass)
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{
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/* And tell the device */
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feedback.class = PtrFeedbackClass;
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feedback.length = sizeof (XPtrFeedbackControl);
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feedback.id = state->id;
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feedback.threshold = motion_threshold;
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feedback.accelNum = numerator;
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feedback.accelDenom = denominator;
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XChangeFeedbackControl (xdisplay, xdevice,
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DvAccelNum | DvAccelDenom | DvThreshold,
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(XFeedbackControl *) &feedback);
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break;
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}
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state = (XFeedbackState *) ((char *) state + state->length);
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}
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if (display && meta_error_trap_pop_with_return (display))
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{
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g_warning ("Could not set synaptics touchpad acceleration for %s",
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clutter_input_device_get_device_name (device));
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}
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XFreeFeedbackList (states);
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XCloseDevice (xdisplay, xdevice);
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}
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static void
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meta_input_settings_x11_set_send_events (MetaInputSettings *settings,
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ClutterInputDevice *device,
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@ -167,6 +340,13 @@ meta_input_settings_x11_set_send_events (MetaInputSettings *settings,
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guchar values[2] = { 0 }; /* disabled, disabled-on-external-mouse */
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guchar *available;
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if (is_device_synaptics (device))
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{
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values[0] = mode != G_DESKTOP_DEVICE_SEND_EVENTS_ENABLED;
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change_property (device, "Synaptics Off", XA_INTEGER, 8, &values, 1);
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return;
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}
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available = get_property (device, "libinput Send Events Modes Available",
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XA_INTEGER, 8, 2);
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if (!available)
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@ -219,6 +399,12 @@ meta_input_settings_x11_set_speed (MetaInputSettings *settings,
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Display *xdisplay = meta_backend_x11_get_xdisplay (META_BACKEND_X11 (backend));
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gfloat value = speed;
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if (is_device_synaptics (device))
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{
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change_synaptics_speed (device, speed);
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return;
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}
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change_property (device, "libinput Accel Speed",
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XInternAtom (xdisplay, "FLOAT", False),
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32, &value, 1);
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@ -245,6 +431,19 @@ meta_input_settings_x11_set_left_handed (MetaInputSettings *settings,
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else
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{
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value = enabled ? 1 : 0;
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if (is_device_synaptics (device))
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{
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GSettings *settings;
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settings = g_settings_new ("org.gnome.desktop.peripherals.touchpad");
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change_synaptics_tap_left_handed (device,
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g_settings_get_boolean (settings, "tap-to-click"),
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enabled);
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g_object_unref (settings);
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return;
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}
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change_property (device, "libinput Left Handed Enabled",
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XA_INTEGER, 8, &value, 1);
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}
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@ -268,6 +467,20 @@ meta_input_settings_x11_set_tap_enabled (MetaInputSettings *settings,
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{
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guchar value = (enabled) ? 1 : 0;
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if (is_device_synaptics (device))
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{
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GDesktopTouchpadHandedness handedness;
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GSettings *settings;
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settings = g_settings_new ("org.gnome.desktop.peripherals.touchpad");
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handedness = g_settings_get_enum (settings, "left-handed");
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g_object_unref (settings);
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change_synaptics_tap_left_handed (device, enabled,
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handedness == G_DESKTOP_TOUCHPAD_HANDEDNESS_LEFT);
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return;
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}
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change_property (device, "libinput Tapping Enabled",
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XA_INTEGER, 8, &value, 1);
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}
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@ -290,6 +503,27 @@ meta_input_settings_x11_set_invert_scroll (MetaInputSettings *settings,
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{
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guchar value = (inverted) ? 1 : 0;
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if (is_device_synaptics (device))
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{
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gint32 *scrolling_distance;
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scrolling_distance = get_property (device, "Synaptics Scrolling Distance",
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XA_INTEGER, 32, 2);
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if (scrolling_distance)
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{
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scrolling_distance[0] = inverted ?
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-abs (scrolling_distance[0]) : abs (scrolling_distance[0]);
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scrolling_distance[1] = inverted ?
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-abs (scrolling_distance[1]) : abs (scrolling_distance[1]);
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change_property (device, "Synaptics Scrolling Distance",
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XA_INTEGER, 32, scrolling_distance, 2);
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meta_XFree (scrolling_distance);
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}
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return;
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}
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change_property (device, "libinput Natural Scrolling Enabled",
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XA_INTEGER, 8, &value, 1);
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}
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@ -303,6 +537,22 @@ meta_input_settings_x11_set_edge_scroll (MetaInputSettings *settings,
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guchar *current = NULL;
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guchar *available = NULL;
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if (is_device_synaptics (device))
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{
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current = get_property (device, "Synaptics Edge Scrolling",
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XA_INTEGER, 8, 3);
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if (current)
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{
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current[0] = !!edge_scroll_enabled;
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current[1] = !!edge_scroll_enabled;
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change_property (device, "Synaptics Edge Scrolling",
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XA_INTEGER, 8, current, 3);
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meta_XFree (current);
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}
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return;
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}
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available = get_property (device, "libinput Scroll Methods Available",
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XA_INTEGER, 8, SCROLL_METHOD_NUM_FIELDS);
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if (!available || !available[SCROLL_METHOD_FIELD_EDGE])
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@ -332,6 +582,22 @@ meta_input_settings_x11_set_two_finger_scroll (MetaInputSettings *set
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guchar *current = NULL;
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guchar *available = NULL;
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if (is_device_synaptics (device))
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{
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current = get_property (device, "Synaptics Two-Finger Scrolling",
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XA_INTEGER, 8, 2);
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if (current)
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{
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current[0] = !!two_finger_scroll_enabled;
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current[1] = !!two_finger_scroll_enabled;
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change_property (device, "Synaptics Two-Finger Scrolling",
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XA_INTEGER, 8, current, 2);
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meta_XFree (current);
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}
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return;
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}
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available = get_property (device, "libinput Scroll Methods Available",
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XA_INTEGER, 8, SCROLL_METHOD_NUM_FIELDS);
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if (!available || !available[SCROLL_METHOD_FIELD_2FG])
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