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mutter/src/backends/native/meta-input-settings-native.c
Carlos Garnacho 8b03d9ecc3 clutter: Move evdev input to src/backends/native 
The end goal is to have all clutter backend code in src/backends. Input
is the larger chunk of it, which is now part of our specific
MutterClutterBackendNative, this extends to device manager, input devices,
tools and keymap.

This was supposed to be nice and incremental, but there's no sane way
to cut this through. As a result of the refactor, a number of private
Clutter functions are now exported for external backends to be possible.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/672
2019-08-24 08:59:08 +00:00

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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/*
* Copyright (C) 2014 Red Hat
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*
* Author: Carlos Garnacho <carlosg@gnome.org>
*/
#include "config.h"
#include <linux/input-event-codes.h>
#include <libinput.h>
#include "backends/meta-logical-monitor.h"
#include "backends/native/meta-backend-native.h"
#include "backends/native/meta-input-device-native.h"
#include "backends/native/meta-input-device-tool-native.h"
#include "backends/native/meta-input-settings-native.h"
G_DEFINE_TYPE (MetaInputSettingsNative, meta_input_settings_native, META_TYPE_INPUT_SETTINGS)
static void
meta_input_settings_native_set_send_events (MetaInputSettings *settings,
ClutterInputDevice *device,
GDesktopDeviceSendEvents mode)
{
enum libinput_config_send_events_mode libinput_mode;
struct libinput_device *libinput_device;
switch (mode)
{
case G_DESKTOP_DEVICE_SEND_EVENTS_DISABLED:
libinput_mode = LIBINPUT_CONFIG_SEND_EVENTS_DISABLED;
break;
case G_DESKTOP_DEVICE_SEND_EVENTS_DISABLED_ON_EXTERNAL_MOUSE:
libinput_mode = LIBINPUT_CONFIG_SEND_EVENTS_DISABLED_ON_EXTERNAL_MOUSE;
break;
case G_DESKTOP_DEVICE_SEND_EVENTS_ENABLED:
libinput_mode = LIBINPUT_CONFIG_SEND_EVENTS_ENABLED;
break;
default:
g_assert_not_reached ();
}
libinput_device = meta_input_device_native_get_libinput_device (device);
if (!libinput_device)
return;
libinput_device_config_send_events_set_mode (libinput_device, libinput_mode);
}
static void
meta_input_settings_native_set_matrix (MetaInputSettings *settings,
ClutterInputDevice *device,
gfloat matrix[6])
{
cairo_matrix_t dev_matrix;
cairo_matrix_init (&dev_matrix, matrix[0], matrix[3], matrix[1],
matrix[4], matrix[2], matrix[5]);
g_object_set (device, "device-matrix", &dev_matrix, NULL);
}
static void
meta_input_settings_native_set_speed (MetaInputSettings *settings,
ClutterInputDevice *device,
gdouble speed)
{
struct libinput_device *libinput_device;
libinput_device = meta_input_device_native_get_libinput_device (device);
if (!libinput_device)
return;
libinput_device_config_accel_set_speed (libinput_device,
CLAMP (speed, -1, 1));
}
static void
meta_input_settings_native_set_left_handed (MetaInputSettings *settings,
ClutterInputDevice *device,
gboolean enabled)
{
struct libinput_device *libinput_device;
libinput_device = meta_input_device_native_get_libinput_device (device);
if (!libinput_device)
return;
if (libinput_device_config_left_handed_is_available (libinput_device))
libinput_device_config_left_handed_set (libinput_device, enabled);
}
static void
meta_input_settings_native_set_tap_enabled (MetaInputSettings *settings,
ClutterInputDevice *device,
gboolean enabled)
{
struct libinput_device *libinput_device;
libinput_device = meta_input_device_native_get_libinput_device (device);
if (!libinput_device)
return;
if (libinput_device_config_tap_get_finger_count (libinput_device) > 0)
libinput_device_config_tap_set_enabled (libinput_device,
enabled ?
LIBINPUT_CONFIG_TAP_ENABLED :
LIBINPUT_CONFIG_TAP_DISABLED);
}
static void
meta_input_settings_native_set_tap_and_drag_enabled (MetaInputSettings *settings,
ClutterInputDevice *device,
gboolean enabled)
{
struct libinput_device *libinput_device;
libinput_device = meta_input_device_native_get_libinput_device (device);
if (!libinput_device)
return;
if (libinput_device_config_tap_get_finger_count (libinput_device) > 0)
libinput_device_config_tap_set_drag_enabled (libinput_device,
enabled ?
LIBINPUT_CONFIG_DRAG_ENABLED :
LIBINPUT_CONFIG_DRAG_DISABLED);
}
static void
meta_input_settings_native_set_disable_while_typing (MetaInputSettings *settings,
ClutterInputDevice *device,
gboolean enabled)
{
struct libinput_device *libinput_device;
libinput_device = meta_input_device_native_get_libinput_device (device);
if (!libinput_device)
return;
if (libinput_device_config_dwt_is_available (libinput_device))
libinput_device_config_dwt_set_enabled (libinput_device,
enabled ?
LIBINPUT_CONFIG_DWT_ENABLED :
LIBINPUT_CONFIG_DWT_DISABLED);
}
static void
meta_input_settings_native_set_invert_scroll (MetaInputSettings *settings,
ClutterInputDevice *device,
gboolean inverted)
{
struct libinput_device *libinput_device;
libinput_device = meta_input_device_native_get_libinput_device (device);
if (!libinput_device)
return;
if (libinput_device_config_scroll_has_natural_scroll (libinput_device))
libinput_device_config_scroll_set_natural_scroll_enabled (libinput_device,
inverted);
}
static gboolean
device_set_scroll_method (struct libinput_device *libinput_device,
enum libinput_config_scroll_method method)
{
enum libinput_config_status status =
libinput_device_config_scroll_set_method (libinput_device, method);
return status == LIBINPUT_CONFIG_STATUS_SUCCESS;
}
static gboolean
device_set_click_method (struct libinput_device *libinput_device,
enum libinput_config_click_method method)
{
enum libinput_config_status status =
libinput_device_config_click_set_method (libinput_device, method);
return status == LIBINPUT_CONFIG_STATUS_SUCCESS;
}
static void
meta_input_settings_native_set_edge_scroll (MetaInputSettings *settings,
ClutterInputDevice *device,
gboolean edge_scrolling_enabled)
{
struct libinput_device *libinput_device;
enum libinput_config_scroll_method current, method;
libinput_device = meta_input_device_native_get_libinput_device (device);
method = edge_scrolling_enabled ? LIBINPUT_CONFIG_SCROLL_EDGE : LIBINPUT_CONFIG_SCROLL_NO_SCROLL;
current = libinput_device_config_scroll_get_method (libinput_device);
current &= ~LIBINPUT_CONFIG_SCROLL_EDGE;
device_set_scroll_method (libinput_device, current | method);
}
static void
meta_input_settings_native_set_two_finger_scroll (MetaInputSettings *settings,
ClutterInputDevice *device,
gboolean two_finger_scroll_enabled)
{
struct libinput_device *libinput_device;
enum libinput_config_scroll_method current, method;
libinput_device = meta_input_device_native_get_libinput_device (device);
method = two_finger_scroll_enabled ? LIBINPUT_CONFIG_SCROLL_2FG : LIBINPUT_CONFIG_SCROLL_NO_SCROLL;
current = libinput_device_config_scroll_get_method (libinput_device);
current &= ~LIBINPUT_CONFIG_SCROLL_2FG;
device_set_scroll_method (libinput_device, current | method);
}
static gboolean
meta_input_settings_native_has_two_finger_scroll (MetaInputSettings *settings,
ClutterInputDevice *device)
{
struct libinput_device *libinput_device;
libinput_device = meta_input_device_native_get_libinput_device (device);
if (!libinput_device)
return FALSE;
return libinput_device_config_scroll_get_methods (libinput_device) & LIBINPUT_CONFIG_SCROLL_2FG;
}
static void
meta_input_settings_native_set_scroll_button (MetaInputSettings *settings,
ClutterInputDevice *device,
guint button)
{
struct libinput_device *libinput_device;
enum libinput_config_scroll_method method;
guint evcode;
libinput_device = meta_input_device_native_get_libinput_device (device);
if (!libinput_device)
return;
if (button == 0)
{
method = LIBINPUT_CONFIG_SCROLL_NO_SCROLL;
evcode = 0;
}
else
{
/* Compensate for X11 scroll buttons */
if (button > 7)
button -= 4;
/* Button is 1-indexed */
evcode = (BTN_LEFT - 1) + button;
method = LIBINPUT_CONFIG_SCROLL_ON_BUTTON_DOWN;
}
if (!device_set_scroll_method (libinput_device, method))
return;
libinput_device_config_scroll_set_button (libinput_device, evcode);
}
static void
meta_input_settings_native_set_click_method (MetaInputSettings *settings,
ClutterInputDevice *device,
GDesktopTouchpadClickMethod mode)
{
enum libinput_config_click_method click_method = 0;
struct libinput_device *libinput_device;
libinput_device = meta_input_device_native_get_libinput_device (device);
if (!libinput_device)
return;
switch (mode)
{
case G_DESKTOP_TOUCHPAD_CLICK_METHOD_DEFAULT:
click_method = libinput_device_config_click_get_default_method (libinput_device);
break;
case G_DESKTOP_TOUCHPAD_CLICK_METHOD_NONE:
click_method = LIBINPUT_CONFIG_CLICK_METHOD_NONE;
break;
case G_DESKTOP_TOUCHPAD_CLICK_METHOD_AREAS:
click_method = LIBINPUT_CONFIG_CLICK_METHOD_BUTTON_AREAS;
break;
case G_DESKTOP_TOUCHPAD_CLICK_METHOD_FINGERS:
click_method = LIBINPUT_CONFIG_CLICK_METHOD_CLICKFINGER;
break;
default:
g_assert_not_reached ();
return;
}
device_set_click_method (libinput_device, click_method);
}
static void
meta_input_settings_native_set_keyboard_repeat (MetaInputSettings *settings,
gboolean enabled,
guint delay,
guint interval)
{
ClutterDeviceManager *manager = clutter_device_manager_get_default ();
meta_device_manager_native_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 = meta_input_device_native_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 = meta_input_device_native_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
meta_input_settings_native_is_trackball_device (MetaInputSettings *settings,
ClutterInputDevice *device)
{
return has_udev_property (device, "ID_INPUT_TRACKBALL");
}
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 (!meta_input_settings_native_is_trackball_device (settings, device))
return;
set_device_accel_profile (device, profile);
}
static void
meta_input_settings_native_set_tablet_mapping (MetaInputSettings *settings,
ClutterInputDevice *device,
GDesktopTabletMapping mapping)
{
ClutterInputDeviceMapping dev_mapping;
if (mapping == G_DESKTOP_TABLET_MAPPING_ABSOLUTE)
dev_mapping = CLUTTER_INPUT_DEVICE_MAPPING_ABSOLUTE;
else if (mapping == G_DESKTOP_TABLET_MAPPING_RELATIVE)
dev_mapping = CLUTTER_INPUT_DEVICE_MAPPING_RELATIVE;
else
return;
clutter_input_device_set_mapping_mode (device, dev_mapping);
}
static void
meta_input_settings_native_set_tablet_keep_aspect (MetaInputSettings *settings,
ClutterInputDevice *device,
MetaLogicalMonitor *logical_monitor,
gboolean keep_aspect)
{
double aspect_ratio = 0;
if (keep_aspect)
{
int width, height;
if (logical_monitor)
{
width = logical_monitor->rect.width;
height = logical_monitor->rect.height;
}
else
{
MetaMonitorManager *monitor_manager;
MetaBackend *backend;
backend = meta_get_backend ();
monitor_manager = meta_backend_get_monitor_manager (backend);
meta_monitor_manager_get_screen_size (monitor_manager,
&width,
&height);
}
aspect_ratio = (double) width / height;
}
g_object_set (device, "output-aspect-ratio", aspect_ratio, NULL);
}
static void
meta_input_settings_native_set_tablet_area (MetaInputSettings *settings,
ClutterInputDevice *device,
gdouble padding_left,
gdouble padding_right,
gdouble padding_top,
gdouble padding_bottom)
{
struct libinput_device *libinput_device;
gfloat scale_x;
gfloat scale_y;
gfloat offset_x;
gfloat offset_y;
scale_x = 1. / (1. - (padding_left + padding_right));
scale_y = 1. / (1. - (padding_top + padding_bottom));
offset_x = -padding_left * scale_x;
offset_y = -padding_top * scale_y;
gfloat matrix[6] = { scale_x, 0., offset_x,
0., scale_y, offset_y };
libinput_device = meta_input_device_native_get_libinput_device (device);
if (!libinput_device ||
!libinput_device_config_calibration_has_matrix (libinput_device))
return;
libinput_device_config_calibration_set_matrix (libinput_device, matrix);
}
static void
meta_input_settings_native_set_stylus_pressure (MetaInputSettings *settings,
ClutterInputDevice *device,
ClutterInputDeviceTool *tool,
const gint curve[4])
{
gdouble pressure_curve[4];
pressure_curve[0] = (gdouble) curve[0] / 100;
pressure_curve[1] = (gdouble) curve[1] / 100;
pressure_curve[2] = (gdouble) curve[2] / 100;
pressure_curve[3] = (gdouble) curve[3] / 100;
meta_input_device_tool_native_set_pressure_curve (tool, pressure_curve);
}
static guint
action_to_evcode (GDesktopStylusButtonAction action)
{
switch (action)
{
case G_DESKTOP_STYLUS_BUTTON_ACTION_MIDDLE:
return BTN_STYLUS;
case G_DESKTOP_STYLUS_BUTTON_ACTION_RIGHT:
return BTN_STYLUS2;
case G_DESKTOP_STYLUS_BUTTON_ACTION_BACK:
return BTN_BACK;
case G_DESKTOP_STYLUS_BUTTON_ACTION_FORWARD:
return BTN_FORWARD;
case G_DESKTOP_STYLUS_BUTTON_ACTION_DEFAULT:
default:
return 0;
}
}
static void
meta_input_settings_native_set_stylus_button_map (MetaInputSettings *settings,
ClutterInputDevice *device,
ClutterInputDeviceTool *tool,
GDesktopStylusButtonAction primary,
GDesktopStylusButtonAction secondary,
GDesktopStylusButtonAction tertiary)
{
meta_input_device_tool_native_set_button_code (tool, CLUTTER_BUTTON_MIDDLE,
action_to_evcode (primary));
meta_input_device_tool_native_set_button_code (tool, CLUTTER_BUTTON_SECONDARY,
action_to_evcode (secondary));
meta_input_device_tool_native_set_button_code (tool, 8, /* Back */
action_to_evcode (tertiary));
}
static void
meta_input_settings_native_class_init (MetaInputSettingsNativeClass *klass)
{
MetaInputSettingsClass *input_settings_class = META_INPUT_SETTINGS_CLASS (klass);
input_settings_class->set_send_events = meta_input_settings_native_set_send_events;
input_settings_class->set_matrix = meta_input_settings_native_set_matrix;
input_settings_class->set_speed = meta_input_settings_native_set_speed;
input_settings_class->set_left_handed = meta_input_settings_native_set_left_handed;
input_settings_class->set_tap_enabled = meta_input_settings_native_set_tap_enabled;
input_settings_class->set_tap_and_drag_enabled = meta_input_settings_native_set_tap_and_drag_enabled;
input_settings_class->set_invert_scroll = meta_input_settings_native_set_invert_scroll;
input_settings_class->set_edge_scroll = meta_input_settings_native_set_edge_scroll;
input_settings_class->set_two_finger_scroll = meta_input_settings_native_set_two_finger_scroll;
input_settings_class->set_scroll_button = meta_input_settings_native_set_scroll_button;
input_settings_class->set_click_method = meta_input_settings_native_set_click_method;
input_settings_class->set_keyboard_repeat = meta_input_settings_native_set_keyboard_repeat;
input_settings_class->set_disable_while_typing = meta_input_settings_native_set_disable_while_typing;
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;
input_settings_class->set_stylus_pressure = meta_input_settings_native_set_stylus_pressure;
input_settings_class->set_stylus_button_map = meta_input_settings_native_set_stylus_button_map;
input_settings_class->has_two_finger_scroll = meta_input_settings_native_has_two_finger_scroll;
input_settings_class->is_trackball_device = meta_input_settings_native_is_trackball_device;
}
static void
meta_input_settings_native_init (MetaInputSettingsNative *settings)
{
}
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