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mutter/src/backends/native/meta-seat-impl.c
Carlos Garnacho 5785d8cde0 backends/native: Remove unused array definition 
This array is a relic from the input code belonging to Clutter,
and is nowadays unused.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1862>
2021-07-16 19:08:06 +02:00

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/*
* Clutter.
*
* An OpenGL based 'interactive canvas' library.
*
* Copyright (C) 2010 Intel Corp.
* Copyright (C) 2014 Jonas Ådahl
* Copyright (C) 2016 Red Hat Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
* Author: Damien Lespiau <damien.lespiau@intel.com>
* Author: Jonas Ådahl <jadahl@gmail.com>
* Author: Carlos Garnacho <carlosg@gnome.org>
*/
#include "config.h"
#include <errno.h>
#include <fcntl.h>
#include <libinput.h>
#include <linux/input.h>
#include <math.h>
#include "backends/meta-cursor-tracker-private.h"
#include "backends/native/meta-backend-native-private.h"
#include "backends/native/meta-barrier-native.h"
#include "backends/native/meta-device-pool.h"
#include "backends/native/meta-input-thread.h"
#include "backends/native/meta-virtual-input-device-native.h"
#include "clutter/clutter-mutter.h"
#include "core/bell.h"
#include "meta-private-enum-types.h"
/*
* Clutter makes the assumption that two core devices have ID's 2 and 3 (core
* pointer and core keyboard).
*
* Since the two first devices that will ever be created will be the virtual
* pointer and virtual keyboard of the first seat, we fulfill the made
* assumptions by having the first device having ID 2 and following 3.
*/
#define INITIAL_DEVICE_ID 2
/* Try to keep the pointer inside the stage. Hopefully no one is using
* this backend with stages smaller than this. */
#define INITIAL_POINTER_X 16
#define INITIAL_POINTER_Y 16
#define AUTOREPEAT_VALUE 2
#define DISCRETE_SCROLL_STEP 10.0
#ifndef BTN_STYLUS3
#define BTN_STYLUS3 0x149 /* Linux 4.15 */
#endif
struct _MetaEventSource
{
GSource source;
MetaSeatImpl *seat_impl;
GPollFD event_poll_fd;
};
enum
{
PROP_0,
PROP_SEAT,
PROP_SEAT_ID,
PROP_FLAGS,
N_PROPS,
};
static GParamSpec *props[N_PROPS] = { NULL };
enum
{
KBD_A11Y_FLAGS_CHANGED,
KBD_A11Y_MODS_STATE_CHANGED,
TOUCH_MODE,
BELL,
MODS_STATE_CHANGED,
N_SIGNALS
};
static guint signals[N_SIGNALS] = { 0 };
typedef struct _MetaSeatImplPrivate
{
GHashTable *device_files;
} MetaSeatImplPrivate;
static void meta_seat_impl_initable_iface_init (GInitableIface *iface);
G_DEFINE_TYPE_WITH_CODE (MetaSeatImpl, meta_seat_impl, G_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE (G_TYPE_INITABLE,
meta_seat_impl_initable_iface_init)
G_ADD_PRIVATE (MetaSeatImpl))
static void process_events (MetaSeatImpl *seat_impl);
void meta_seat_impl_constrain_pointer (MetaSeatImpl *seat_impl,
ClutterInputDevice *core_pointer,
uint64_t time_us,
float x,
float y,
float *new_x,
float *new_y);
void meta_seat_impl_filter_relative_motion (MetaSeatImpl *seat_impl,
ClutterInputDevice *device,
float x,
float y,
float *dx,
float *dy);
void meta_seat_impl_clear_repeat_source (MetaSeatImpl *seat_impl);
void
meta_seat_impl_run_input_task (MetaSeatImpl *seat_impl,
GTask *task,
GSourceFunc dispatch_func)
{
GSource *source;
source = g_idle_source_new ();
g_source_set_priority (source, G_PRIORITY_HIGH);
g_source_set_callback (source,
dispatch_func,
g_object_ref (task),
g_object_unref);
g_source_attach (source, seat_impl->input_context);
g_source_unref (source);
}
void
meta_seat_impl_sync_leds_in_impl (MetaSeatImpl *seat_impl)
{
GSList *iter;
MetaInputDeviceNative *device_native;
int caps_lock, num_lock, scroll_lock;
enum libinput_led leds = 0;
caps_lock = xkb_state_led_index_is_active (seat_impl->xkb,
seat_impl->caps_lock_led);
num_lock = xkb_state_led_index_is_active (seat_impl->xkb,
seat_impl->num_lock_led);
scroll_lock = xkb_state_led_index_is_active (seat_impl->xkb,
seat_impl->scroll_lock_led);
if (caps_lock)
leds |= LIBINPUT_LED_CAPS_LOCK;
if (num_lock)
leds |= LIBINPUT_LED_NUM_LOCK;
if (scroll_lock)
leds |= LIBINPUT_LED_SCROLL_LOCK;
for (iter = seat_impl->devices; iter; iter = iter->next)
{
device_native = iter->data;
meta_input_device_native_update_leds_in_impl (device_native, leds);
}
}
MetaTouchState *
meta_seat_impl_lookup_touch_state_in_impl (MetaSeatImpl *seat_impl,
int seat_slot)
{
if (!seat_impl->touch_states)
return NULL;
return g_hash_table_lookup (seat_impl->touch_states,
GINT_TO_POINTER (seat_slot));
}
static void
meta_touch_state_free (MetaTouchState *state)
{
g_free (state);
}
MetaTouchState *
meta_seat_impl_acquire_touch_state_in_impl (MetaSeatImpl *seat_impl,
int seat_slot)
{
MetaTouchState *touch_state;
if (!seat_impl->touch_states)
{
seat_impl->touch_states =
g_hash_table_new_full (NULL, NULL, NULL,
(GDestroyNotify) meta_touch_state_free);
}
g_assert (!g_hash_table_contains (seat_impl->touch_states,
GINT_TO_POINTER (seat_slot)));
touch_state = g_new0 (MetaTouchState, 1);
*touch_state = (MetaTouchState) {
.seat_impl = seat_impl,
.seat_slot = seat_slot,
};
g_hash_table_insert (seat_impl->touch_states, GINT_TO_POINTER (seat_slot),
touch_state);
return touch_state;
}
void
meta_seat_impl_release_touch_state_in_impl (MetaSeatImpl *seat_impl,
int seat_slot)
{
if (!seat_impl->touch_states)
return;
g_hash_table_remove (seat_impl->touch_states, GINT_TO_POINTER (seat_slot));
}
void
meta_seat_impl_clear_repeat_source (MetaSeatImpl *seat_impl)
{
if (seat_impl->repeat_source)
{
g_source_destroy (seat_impl->repeat_source);
g_clear_pointer (&seat_impl->repeat_source, g_source_unref);
}
g_clear_object (&seat_impl->repeat_device);
}
static void
dispatch_libinput (MetaSeatImpl *seat_impl)
{
libinput_dispatch (seat_impl->libinput);
process_events (seat_impl);
}
static gboolean
keyboard_repeat (gpointer data)
{
MetaSeatImpl *seat_impl = data;
/* There might be events queued in libinput that could cancel the
repeat timer. */
if (seat_impl->libinput)
{
dispatch_libinput (seat_impl);
if (!seat_impl->repeat_source)
return G_SOURCE_REMOVE;
}
g_return_val_if_fail (seat_impl->repeat_device != NULL, G_SOURCE_REMOVE);
meta_seat_impl_notify_key_in_impl (seat_impl,
seat_impl->repeat_device,
g_source_get_time (seat_impl->repeat_source),
seat_impl->repeat_key,
AUTOREPEAT_VALUE,
FALSE);
return G_SOURCE_CONTINUE;
}
static void
queue_event (MetaSeatImpl *seat_impl,
ClutterEvent *event)
{
_clutter_event_push (event, FALSE);
}
static int
update_button_count (MetaSeatImpl *seat_impl,
uint32_t button,
uint32_t state)
{
if (state)
{
return ++seat_impl->button_count[button];
}
else
{
/* Handle cases where we newer saw the initial pressed event. */
if (seat_impl->button_count[button] == 0)
{
meta_topic (META_DEBUG_INPUT,
"Counting release of key 0x%x and count is already 0",
button);
return 0;
}
return --seat_impl->button_count[button];
}
}
void
meta_seat_impl_queue_main_thread_idle (MetaSeatImpl *seat_impl,
GSourceFunc func,
gpointer user_data,
GDestroyNotify destroy_notify)
{
GSource *source;
source = g_idle_source_new ();
g_source_set_priority (source, G_PRIORITY_HIGH);
g_source_set_callback (source, func, user_data, destroy_notify);
g_source_attach (source, seat_impl->main_context);
g_source_unref (source);
}
typedef struct
{
MetaSeatImpl *seat_impl;
guint signal_id;
GArray *args;
} MetaSeatSignalData;
static gboolean
emit_signal_in_main (MetaSeatSignalData *data)
{
g_signal_emitv ((GValue *) data->args->data,
data->signal_id,
0, NULL);
return G_SOURCE_REMOVE;
}
static void
signal_data_free (MetaSeatSignalData *data)
{
g_array_unref (data->args);
g_free (data);
}
static void
emit_signal (MetaSeatImpl *seat_impl,
guint signal_id,
GValue *args,
int n_args)
{
MetaSeatSignalData *emit_signal_data;
GArray *array;
GValue self = G_VALUE_INIT;
g_value_init (&self, META_TYPE_SEAT_IMPL);
g_value_set_object (&self, seat_impl);
array = g_array_new (FALSE, FALSE, sizeof (GValue));
g_array_append_val (array, self);
if (args && n_args > 0)
g_array_append_vals (array, args, n_args);
emit_signal_data = g_new0 (MetaSeatSignalData, 1);
emit_signal_data->seat_impl = seat_impl;
emit_signal_data->signal_id = signal_id;
emit_signal_data->args = array;
meta_seat_impl_queue_main_thread_idle (seat_impl,
(GSourceFunc) emit_signal_in_main,
emit_signal_data,
(GDestroyNotify) signal_data_free);
}
void
meta_seat_impl_notify_key_in_impl (MetaSeatImpl *seat_impl,
ClutterInputDevice *device,
uint64_t time_us,
uint32_t key,
uint32_t state,
gboolean update_keys)
{
ClutterEvent *event = NULL;
enum xkb_state_component changed_state;
uint32_t keycode;
if (state != AUTOREPEAT_VALUE)
{
/* Drop any repeated button press (for example from virtual devices. */
int count = update_button_count (seat_impl, key, state);
if ((state && count > 1) ||
(!state && count != 0))
{
meta_topic (META_DEBUG_INPUT,
"Dropping repeated %s of key 0x%x, count %d, state %d",
state ? "press" : "release", key, count, state);
return;
}
}
event = meta_key_event_new_from_evdev (device,
seat_impl->core_keyboard,
seat_impl->xkb,
seat_impl->button_state,
us2ms (time_us), key, state);
event->key.evdev_code = key;
keycode = meta_xkb_evdev_to_keycode (key);
/* We must be careful and not pass multiple releases to xkb, otherwise it gets
confused and locks the modifiers */
if (state != AUTOREPEAT_VALUE)
{
changed_state = xkb_state_update_key (seat_impl->xkb, keycode,
state ? XKB_KEY_DOWN : XKB_KEY_UP);
}
else
{
changed_state = 0;
clutter_event_set_flags (event, CLUTTER_EVENT_FLAG_REPEATED);
}
if (!meta_input_device_native_process_kbd_a11y_event_in_impl (seat_impl->core_keyboard,
event))
queue_event (seat_impl, event);
else
clutter_event_free (event);
if (update_keys && (changed_state & XKB_STATE_LEDS))
{
MetaInputDeviceNative *keyboard_native;
gboolean numlock_active;
meta_keymap_native_update_in_impl (seat_impl->keymap,
seat_impl,
seat_impl->xkb);
meta_seat_impl_sync_leds_in_impl (seat_impl);
numlock_active =
xkb_state_mod_name_is_active (seat_impl->xkb, XKB_MOD_NAME_NUM,
XKB_STATE_MODS_LATCHED |
XKB_STATE_MODS_LOCKED);
meta_input_settings_maybe_save_numlock_state (seat_impl->input_settings,
numlock_active);
keyboard_native = META_INPUT_DEVICE_NATIVE (seat_impl->core_keyboard);
meta_input_device_native_a11y_maybe_notify_toggle_keys_in_impl (keyboard_native);
}
if (state == 0 || /* key release */
!seat_impl->repeat ||
!xkb_keymap_key_repeats (xkb_state_get_keymap (seat_impl->xkb),
keycode))
{
seat_impl->repeat_count = 0;
meta_seat_impl_clear_repeat_source (seat_impl);
return;
}
if (state == 1) /* key press */
seat_impl->repeat_count = 0;
seat_impl->repeat_count += 1;
seat_impl->repeat_key = key;
switch (seat_impl->repeat_count)
{
case 1:
case 2:
{
uint32_t interval;
meta_seat_impl_clear_repeat_source (seat_impl);
seat_impl->repeat_device = g_object_ref (device);
if (seat_impl->repeat_count == 1)
interval = seat_impl->repeat_delay;
else
interval = seat_impl->repeat_interval;
seat_impl->repeat_source = g_timeout_source_new (interval);
g_source_set_priority (seat_impl->repeat_source, CLUTTER_PRIORITY_EVENTS);
g_source_set_callback (seat_impl->repeat_source,
keyboard_repeat, seat_impl, NULL);
g_source_attach (seat_impl->repeat_source, seat_impl->input_context);
return;
}
default:
return;
}
}
static ClutterEvent *
new_absolute_motion_event (MetaSeatImpl *seat_impl,
ClutterInputDevice *input_device,
uint64_t time_us,
float x,
float y,
double *axes)
{
ClutterEvent *event;
event = clutter_event_new (CLUTTER_MOTION);
if (clutter_input_device_get_device_type (input_device) != CLUTTER_TABLET_DEVICE)
{
meta_seat_impl_constrain_pointer (seat_impl,
seat_impl->core_pointer,
time_us,
seat_impl->pointer_x,
seat_impl->pointer_y,
&x, &y);
}
else
{
/* This may happen early at startup */
if (seat_impl->viewports)
{
meta_input_device_native_translate_coordinates_in_impl (input_device,
seat_impl->viewports,
&x,
&y);
}
}
event->motion.time_us = time_us;
event->motion.time = us2ms (time_us);
meta_xkb_translate_state (event, seat_impl->xkb, seat_impl->button_state);
event->motion.x = x;
event->motion.y = y;
event->motion.axes = axes;
clutter_event_set_device (event, seat_impl->core_pointer);
clutter_event_set_source_device (event, input_device);
g_rw_lock_writer_lock (&seat_impl->state_lock);
if (clutter_input_device_get_device_type (input_device) == CLUTTER_TABLET_DEVICE)
{
MetaInputDeviceNative *device_native =
META_INPUT_DEVICE_NATIVE (input_device);
clutter_event_set_device_tool (event, device_native->last_tool);
clutter_event_set_device (event, input_device);
meta_input_device_native_set_coords_in_impl (META_INPUT_DEVICE_NATIVE (input_device),
x, y);
}
else
{
clutter_event_set_device (event, seat_impl->core_pointer);
meta_input_device_native_set_coords_in_impl (META_INPUT_DEVICE_NATIVE (seat_impl->core_pointer),
x, y);
}
if (clutter_input_device_get_device_type (input_device) != CLUTTER_TABLET_DEVICE)
{
seat_impl->pointer_x = x;
seat_impl->pointer_y = y;
}
g_rw_lock_writer_unlock (&seat_impl->state_lock);
return event;
}
void
meta_seat_impl_notify_relative_motion_in_impl (MetaSeatImpl *seat_impl,
ClutterInputDevice *input_device,
uint64_t time_us,
float dx,
float dy,
float dx_unaccel,
float dy_unaccel)
{
float new_x, new_y;
ClutterEvent *event;
meta_seat_impl_filter_relative_motion (seat_impl,
input_device,
seat_impl->pointer_x,
seat_impl->pointer_y,
&dx,
&dy);
new_x = seat_impl->pointer_x + dx;
new_y = seat_impl->pointer_y + dy;
event = new_absolute_motion_event (seat_impl, input_device,
time_us, new_x, new_y, NULL);
event->motion.flags |= CLUTTER_EVENT_FLAG_RELATIVE_MOTION;
event->motion.dx = dx;
event->motion.dy = dy;
event->motion.dx_unaccel = dx_unaccel;
event->motion.dy_unaccel = dy_unaccel;
queue_event (seat_impl, event);
}
void
meta_seat_impl_notify_absolute_motion_in_impl (MetaSeatImpl *seat_impl,
ClutterInputDevice *input_device,
uint64_t time_us,
float x,
float y,
double *axes)
{
ClutterEvent *event;
event = new_absolute_motion_event (seat_impl, input_device, time_us, x, y, axes);
queue_event (seat_impl, event);
}
void
meta_seat_impl_notify_button_in_impl (MetaSeatImpl *seat_impl,
ClutterInputDevice *input_device,
uint64_t time_us,
uint32_t button,
uint32_t state)
{
MetaInputDeviceNative *device_native = (MetaInputDeviceNative *) input_device;
ClutterEvent *event = NULL;
int button_nr;
static int maskmap[8] =
{
CLUTTER_BUTTON1_MASK, CLUTTER_BUTTON3_MASK, CLUTTER_BUTTON2_MASK,
CLUTTER_BUTTON4_MASK, CLUTTER_BUTTON5_MASK, 0, 0, 0
};
int button_count;
/* Drop any repeated button press (for example from virtual devices. */
button_count = update_button_count (seat_impl, button, state);
if ((state && button_count > 1) ||
(!state && button_count != 0))
{
meta_topic (META_DEBUG_INPUT,
"Dropping repeated %s of button 0x%x, count %d",
state ? "press" : "release", button, button_count);
return;
}
/* The evdev button numbers don't map sequentially to clutter button
* numbers (the right and middle mouse buttons are in the opposite
* order) so we'll map them directly with a switch statement */
switch (button)
{
case BTN_LEFT:
case BTN_TOUCH:
button_nr = CLUTTER_BUTTON_PRIMARY;
break;
case BTN_RIGHT:
case BTN_STYLUS:
button_nr = CLUTTER_BUTTON_SECONDARY;
break;
case BTN_MIDDLE:
case BTN_STYLUS2:
button_nr = CLUTTER_BUTTON_MIDDLE;
break;
case 0x149: /* BTN_STYLUS3 */
button_nr = 8;
break;
default:
/* For compatibility reasons, all additional buttons go after the old 4-7 scroll ones */
if (clutter_input_device_get_device_type (input_device) == CLUTTER_TABLET_DEVICE)
button_nr = button - BTN_TOOL_PEN + 4;
else
button_nr = button - (BTN_LEFT - 1) + 4;
break;
}
if (button_nr < 1 || button_nr > 12)
{
g_warning ("Unhandled button event 0x%x", button);
return;
}
if (state)
event = clutter_event_new (CLUTTER_BUTTON_PRESS);
else
event = clutter_event_new (CLUTTER_BUTTON_RELEASE);
if (button_nr < G_N_ELEMENTS (maskmap))
{
/* Update the modifiers */
if (state)
seat_impl->button_state |= maskmap[button_nr - 1];
else
seat_impl->button_state &= ~maskmap[button_nr - 1];
}
event->button.time = us2ms (time_us);
meta_xkb_translate_state (event, seat_impl->xkb, seat_impl->button_state);
event->button.button = button_nr;
if (clutter_input_device_get_device_type (input_device) == CLUTTER_TABLET_DEVICE)
{
meta_input_device_native_get_coords_in_impl (device_native,
&event->button.x,
&event->button.y);
}
else
{
meta_input_device_native_get_coords_in_impl (META_INPUT_DEVICE_NATIVE (seat_impl->core_pointer),
&event->button.x,
&event->button.y);
}
clutter_event_set_device (event, seat_impl->core_pointer);
clutter_event_set_source_device (event, input_device);
if (device_native->last_tool)
{
/* Apply the button event code as per the tool mapping */
uint32_t mapped_button;
mapped_button = meta_input_device_tool_native_get_button_code_in_impl (device_native->last_tool,
button_nr);
if (mapped_button != 0)
button = mapped_button;
}
event->button.evdev_code = button;
if (clutter_input_device_get_device_type (input_device) == CLUTTER_TABLET_DEVICE)
{
clutter_event_set_device_tool (event, device_native->last_tool);
clutter_event_set_device (event, input_device);
}
else
{
clutter_event_set_device (event, seat_impl->core_pointer);
}
queue_event (seat_impl, event);
}
static MetaSeatImpl *
seat_impl_from_device (ClutterInputDevice *device)
{
MetaInputDeviceNative *device_native = META_INPUT_DEVICE_NATIVE (device);
return meta_input_device_native_get_seat_impl (device_native);
}
static void
notify_scroll (ClutterInputDevice *input_device,
uint64_t time_us,
double dx,
double dy,
ClutterScrollSource scroll_source,
ClutterScrollFinishFlags flags,
gboolean emulated)
{
MetaSeatImpl *seat_impl;
ClutterEvent *event = NULL;
double scroll_factor;
seat_impl = seat_impl_from_device (input_device);
event = clutter_event_new (CLUTTER_SCROLL);
event->scroll.time = us2ms (time_us);
meta_xkb_translate_state (event, seat_impl->xkb, seat_impl->button_state);
/* libinput pointer axis events are in pointer motion coordinate space.
* To convert to Xi2 discrete step coordinate space, multiply the factor
* 1/10. */
event->scroll.direction = CLUTTER_SCROLL_SMOOTH;
scroll_factor = 1.0 / DISCRETE_SCROLL_STEP;
clutter_event_set_scroll_delta (event,
scroll_factor * dx,
scroll_factor * dy);
event->scroll.x = seat_impl->pointer_x;
event->scroll.y = seat_impl->pointer_y;
clutter_event_set_device (event, seat_impl->core_pointer);
clutter_event_set_source_device (event, input_device);
event->scroll.scroll_source = scroll_source;
event->scroll.finish_flags = flags;
_clutter_event_set_pointer_emulated (event, emulated);
queue_event (seat_impl, event);
}
static void
notify_discrete_scroll (ClutterInputDevice *input_device,
uint64_t time_us,
ClutterScrollDirection direction,
ClutterScrollSource scroll_source,
gboolean emulated)
{
MetaSeatImpl *seat_impl;
ClutterEvent *event = NULL;
if (direction == CLUTTER_SCROLL_SMOOTH)
return;
seat_impl = seat_impl_from_device (input_device);
event = clutter_event_new (CLUTTER_SCROLL);
event->scroll.time = us2ms (time_us);
meta_xkb_translate_state (event, seat_impl->xkb, seat_impl->button_state);
event->scroll.direction = direction;
event->scroll.x = seat_impl->pointer_x;
event->scroll.y = seat_impl->pointer_y;
clutter_event_set_device (event, seat_impl->core_pointer);
clutter_event_set_source_device (event, input_device);
event->scroll.scroll_source = scroll_source;
_clutter_event_set_pointer_emulated (event, emulated);
queue_event (seat_impl, event);
}
static void
check_notify_discrete_scroll (MetaSeatImpl *seat_impl,
ClutterInputDevice *device,
uint64_t time_us,
ClutterScrollSource scroll_source)
{
int i, n_xscrolls, n_yscrolls;
n_xscrolls = floor ((fabs (seat_impl->accum_scroll_dx) + DBL_EPSILON) /
DISCRETE_SCROLL_STEP);
n_yscrolls = floor ((fabs (seat_impl->accum_scroll_dy) + DBL_EPSILON) /
DISCRETE_SCROLL_STEP);
for (i = 0; i < n_xscrolls; i++)
{
notify_discrete_scroll (device, time_us,
seat_impl->accum_scroll_dx > 0 ?
CLUTTER_SCROLL_RIGHT : CLUTTER_SCROLL_LEFT,
scroll_source, TRUE);
}
for (i = 0; i < n_yscrolls; i++)
{
notify_discrete_scroll (device, time_us,
seat_impl->accum_scroll_dy > 0 ?
CLUTTER_SCROLL_DOWN : CLUTTER_SCROLL_UP,
scroll_source, TRUE);
}
seat_impl->accum_scroll_dx =
fmodf (seat_impl->accum_scroll_dx, DISCRETE_SCROLL_STEP);
seat_impl->accum_scroll_dy =
fmodf (seat_impl->accum_scroll_dy, DISCRETE_SCROLL_STEP);
}
void
meta_seat_impl_notify_scroll_continuous_in_impl (MetaSeatImpl *seat_impl,
ClutterInputDevice *input_device,
uint64_t time_us,
double dx,
double dy,
ClutterScrollSource scroll_source,
ClutterScrollFinishFlags finish_flags)
{
if (finish_flags & CLUTTER_SCROLL_FINISHED_HORIZONTAL)
seat_impl->accum_scroll_dx = 0;
else
seat_impl->accum_scroll_dx += dx;
if (finish_flags & CLUTTER_SCROLL_FINISHED_VERTICAL)
seat_impl->accum_scroll_dy = 0;
else
seat_impl->accum_scroll_dy += dy;
notify_scroll (input_device, time_us, dx, dy, scroll_source,
finish_flags, FALSE);
check_notify_discrete_scroll (seat_impl, input_device, time_us, scroll_source);
}
static ClutterScrollDirection
discrete_to_direction (double discrete_dx,
double discrete_dy)
{
if (discrete_dx > 0)
return CLUTTER_SCROLL_RIGHT;
else if (discrete_dx < 0)
return CLUTTER_SCROLL_LEFT;
else if (discrete_dy > 0)
return CLUTTER_SCROLL_DOWN;
else if (discrete_dy < 0)
return CLUTTER_SCROLL_UP;
else
g_assert_not_reached ();
return 0;
}
void
meta_seat_impl_notify_discrete_scroll_in_impl (MetaSeatImpl *seat_impl,
ClutterInputDevice *input_device,
uint64_t time_us,
double discrete_dx,
double discrete_dy,
ClutterScrollSource scroll_source)
{
notify_scroll (input_device, time_us,
discrete_dx * DISCRETE_SCROLL_STEP,
discrete_dy * DISCRETE_SCROLL_STEP,
scroll_source, CLUTTER_SCROLL_FINISHED_NONE,
TRUE);
notify_discrete_scroll (input_device, time_us,
discrete_to_direction (discrete_dx, discrete_dy),
scroll_source, FALSE);
}
void
meta_seat_impl_notify_touch_event_in_impl (MetaSeatImpl *seat_impl,
ClutterInputDevice *input_device,
ClutterEventType evtype,
uint64_t time_us,
int slot,
double x,
double y)
{
ClutterEvent *event = NULL;
event = clutter_event_new (evtype);
event->touch.time = us2ms (time_us);
event->touch.x = x;
event->touch.y = y;
meta_input_device_native_translate_coordinates_in_impl (input_device,
seat_impl->viewports,
&event->touch.x,
&event->touch.y);
/* "NULL" sequences are special cased in clutter */
event->touch.sequence = GINT_TO_POINTER (MAX (1, slot + 1));
meta_xkb_translate_state (event, seat_impl->xkb, seat_impl->button_state);
if (evtype == CLUTTER_TOUCH_BEGIN ||
evtype == CLUTTER_TOUCH_UPDATE)
event->touch.modifier_state |= CLUTTER_BUTTON1_MASK;
clutter_event_set_device (event, seat_impl->core_pointer);
clutter_event_set_source_device (event, input_device);
queue_event (seat_impl, event);
}
/*
* MetaEventSource for reading input devices
*/
static gboolean
meta_event_prepare (GSource *g_source,
int *timeout_ms)
{
MetaEventSource *source = (MetaEventSource *) g_source;
MetaSeatImpl *seat_impl = source->seat_impl;
*timeout_ms = -1;
switch (libinput_next_event_type (seat_impl->libinput))
{
case LIBINPUT_EVENT_NONE:
return FALSE;
default:
return TRUE;
}
}
static gboolean
meta_event_check (GSource *source)
{
MetaEventSource *event_source = (MetaEventSource *) source;
gboolean retval;
retval = !!(event_source->event_poll_fd.revents & G_IO_IN);
return retval;
}
static void
constrain_to_barriers (MetaSeatImpl *seat_impl,
ClutterInputDevice *device,
uint32_t time,
float *new_x,
float *new_y)
{
meta_barrier_manager_native_process_in_impl (seat_impl->barrier_manager,
device,
time,
new_x, new_y);
}
/*
* The pointer constrain code is mostly a rip-off of the XRandR code from Xorg.
* (from xserver/randr/rrcrtc.c, RRConstrainCursorHarder)
*
* Copyright © 2006 Keith Packard
* Copyright 2010 Red Hat, Inc
*
*/
static void
constrain_all_screen_monitors (ClutterInputDevice *device,
MetaViewportInfo *viewports,
float *x,
float *y)
{
float cx, cy;
int i, n_views;
meta_input_device_native_get_coords_in_impl (META_INPUT_DEVICE_NATIVE (device),
&cx, &cy);
/* if we're trying to escape, clamp to the CRTC we're coming from */
n_views = meta_viewport_info_get_num_views (viewports);
for (i = 0; i < n_views; i++)
{
int left, right, top, bottom;
cairo_rectangle_int_t rect;
meta_viewport_info_get_view_info (viewports, i, &rect, NULL);
left = rect.x;
right = left + rect.width;
top = rect.y;
bottom = top + rect.height;
if ((cx >= left) && (cx < right) && (cy >= top) && (cy < bottom))
{
if (*x < left)
*x = left;
if (*x >= right)
*x = right - 1;
if (*y < top)
*y = top;
if (*y >= bottom)
*y = bottom - 1;
return;
}
}
}
void
meta_seat_impl_constrain_pointer (MetaSeatImpl *seat_impl,
ClutterInputDevice *core_pointer,
uint64_t time_us,
float x,
float y,
float *new_x,
float *new_y)
{
/* Constrain to barriers */
constrain_to_barriers (seat_impl, core_pointer,
us2ms (time_us),
new_x, new_y);
/* Bar to constraints */
if (seat_impl->pointer_constraint)
{
meta_pointer_constraint_impl_constrain (seat_impl->pointer_constraint,
core_pointer,
us2ms (time_us),
x, y,
new_x, new_y);
}
if (seat_impl->viewports)
{
/* if we're moving inside a monitor, we're fine */
if (meta_viewport_info_get_view_at (seat_impl->viewports,
*new_x, *new_y) >= 0)
return;
/* if we're trying to escape, clamp to the CRTC we're coming from */
constrain_all_screen_monitors (core_pointer, seat_impl->viewports,
new_x, new_y);
}
}
static void
relative_motion_across_outputs (MetaViewportInfo *viewports,
int view,
float cur_x,
float cur_y,
float *dx_inout,
float *dy_inout)
{
int cur_view = view;
float x = cur_x, y = cur_y;
float target_x = cur_x, target_y = cur_y;
float dx = *dx_inout, dy = *dy_inout;
MetaDisplayDirection direction = -1;
while (cur_view >= 0)
{
MetaLine2 left, right, top, bottom, motion;
MetaVector2 intersection;
cairo_rectangle_int_t rect;
float scale;
meta_viewport_info_get_view_info (viewports, cur_view, &rect, &scale);
motion = (MetaLine2) {
.a = { x, y },
.b = { x + (dx * scale), y + (dy * scale) }
};
left = (MetaLine2) {
{ rect.x, rect.y },
{ rect.x, rect.y + rect.height }
};
right = (MetaLine2) {
{ rect.x + rect.width, rect.y },
{ rect.x + rect.width, rect.y + rect.height }
};
top = (MetaLine2) {
{ rect.x, rect.y },
{ rect.x + rect.width, rect.y }
};
bottom = (MetaLine2) {
{ rect.x, rect.y + rect.height },
{ rect.x + rect.width, rect.y + rect.height }
};
target_x = motion.b.x;
target_y = motion.b.y;
if (direction != META_DISPLAY_RIGHT &&
meta_line2_intersects_with (&motion, &left, &intersection))
direction = META_DISPLAY_LEFT;
else if (direction != META_DISPLAY_LEFT &&
meta_line2_intersects_with (&motion, &right, &intersection))
direction = META_DISPLAY_RIGHT;
else if (direction != META_DISPLAY_DOWN &&
meta_line2_intersects_with (&motion, &top, &intersection))
direction = META_DISPLAY_UP;
else if (direction != META_DISPLAY_UP &&
meta_line2_intersects_with (&motion, &bottom, &intersection))
direction = META_DISPLAY_DOWN;
else
/* We reached the dest logical monitor */
break;
x = intersection.x;
y = intersection.y;
dx -= intersection.x - motion.a.x;
dy -= intersection.y - motion.a.y;
cur_view = meta_viewport_info_get_neighbor (viewports, cur_view,
direction);
}
*dx_inout = target_x - cur_x;
*dy_inout = target_y - cur_y;
}
void
meta_seat_impl_filter_relative_motion (MetaSeatImpl *seat_impl,
ClutterInputDevice *device,
float x,
float y,
float *dx,
float *dy)
{
int view, dest_view;
float new_dx, new_dy, scale;
if (!seat_impl->viewports)
return;
if (meta_viewport_info_is_views_scaled (seat_impl->viewports))
return;
view = meta_viewport_info_get_view_at (seat_impl->viewports, x, y);
if (view < 0)
return;
meta_viewport_info_get_view_info (seat_impl->viewports, view, NULL, &scale);
new_dx = (*dx) * scale;
new_dy = (*dy) * scale;
dest_view = meta_viewport_info_get_view_at (seat_impl->viewports,
x + new_dx,
y + new_dy);
if (dest_view >= 0 && dest_view != view)
{
/* If we are crossing monitors, attempt to bisect the distance on each
* axis and apply the relative scale for each of them.
*/
new_dx = *dx;
new_dy = *dy;
relative_motion_across_outputs (seat_impl->viewports, view,
x, y, &new_dx, &new_dy);
}
*dx = new_dx;
*dy = new_dy;
}
static void
notify_absolute_motion_in_impl (ClutterInputDevice *input_device,
uint64_t time_us,
float x,
float y,
double *axes)
{
MetaSeatImpl *seat_impl;
ClutterEvent *event;
seat_impl = seat_impl_from_device (input_device);
event = new_absolute_motion_event (seat_impl, input_device, time_us, x, y, axes);
queue_event (seat_impl, event);
}
static void
notify_relative_tool_motion_in_impl (ClutterInputDevice *input_device,
uint64_t time_us,
float dx,
float dy,
double *axes)
{
MetaInputDeviceNative *device_native;
ClutterEvent *event;
MetaSeatImpl *seat_impl;
float x, y;
device_native = META_INPUT_DEVICE_NATIVE (input_device);
seat_impl = seat_impl_from_device (input_device);
x = device_native->pointer_x + dx;
y = device_native->pointer_y + dy;
meta_seat_impl_filter_relative_motion (seat_impl,
input_device,
seat_impl->pointer_x,
seat_impl->pointer_y,
&dx,
&dy);
event = new_absolute_motion_event (seat_impl, input_device, time_us,
x, y, axes);
event->motion.flags |= CLUTTER_EVENT_FLAG_RELATIVE_MOTION;
event->motion.dx = dx;
event->motion.dy = dy;
queue_event (seat_impl, event);
}
static void
notify_pinch_gesture_event (ClutterInputDevice *input_device,
ClutterTouchpadGesturePhase phase,
uint64_t time_us,
double dx,
double dy,
double dx_unaccel,
double dy_unaccel,
double angle_delta,
double scale,
uint32_t n_fingers)
{
MetaSeatImpl *seat_impl;
ClutterEvent *event = NULL;
seat_impl = seat_impl_from_device (input_device);
event = clutter_event_new (CLUTTER_TOUCHPAD_PINCH);
meta_input_device_native_get_coords_in_impl (META_INPUT_DEVICE_NATIVE (seat_impl->core_pointer),
&event->touchpad_pinch.x,
&event->touchpad_pinch.y);
event->touchpad_pinch.phase = phase;
event->touchpad_pinch.time = us2ms (time_us);
event->touchpad_pinch.dx = dx;
event->touchpad_pinch.dy = dy;
event->touchpad_pinch.dx_unaccel = dx_unaccel;
event->touchpad_pinch.dy_unaccel = dy_unaccel;
event->touchpad_pinch.angle_delta = angle_delta;
event->touchpad_pinch.scale = scale;
event->touchpad_pinch.n_fingers = n_fingers;
meta_xkb_translate_state (event, seat_impl->xkb, seat_impl->button_state);
clutter_event_set_device (event, seat_impl->core_pointer);
clutter_event_set_source_device (event, input_device);
queue_event (seat_impl, event);
}
static void
notify_swipe_gesture_event (ClutterInputDevice *input_device,
ClutterTouchpadGesturePhase phase,
uint64_t time_us,
uint32_t n_fingers,
double dx,
double dy,
double dx_unaccel,
double dy_unaccel)
{
MetaSeatImpl *seat_impl;
ClutterEvent *event = NULL;
seat_impl = seat_impl_from_device (input_device);
event = clutter_event_new (CLUTTER_TOUCHPAD_SWIPE);
event->touchpad_swipe.phase = phase;
event->touchpad_swipe.time = us2ms (time_us);
meta_input_device_native_get_coords_in_impl (META_INPUT_DEVICE_NATIVE (seat_impl->core_pointer),
&event->touchpad_swipe.x,
&event->touchpad_swipe.y);
event->touchpad_swipe.dx = dx;
event->touchpad_swipe.dy = dy;
event->touchpad_swipe.dx_unaccel = dx_unaccel;
event->touchpad_swipe.dy_unaccel = dy_unaccel;
event->touchpad_swipe.n_fingers = n_fingers;
meta_xkb_translate_state (event, seat_impl->xkb, seat_impl->button_state);
clutter_event_set_device (event, seat_impl->core_pointer);
clutter_event_set_source_device (event, input_device);
queue_event (seat_impl, event);
}
static void
notify_proximity (ClutterInputDevice *input_device,
uint64_t time_us,
gboolean in)
{
MetaInputDeviceNative *device_native;
MetaSeatImpl *seat_impl;
ClutterEvent *event = NULL;
device_native = META_INPUT_DEVICE_NATIVE (input_device);
seat_impl = seat_impl_from_device (input_device);
if (in)
event = clutter_event_new (CLUTTER_PROXIMITY_IN);
else
event = clutter_event_new (CLUTTER_PROXIMITY_OUT);
event->proximity.time = us2ms (time_us);
clutter_event_set_device_tool (event, device_native->last_tool);
clutter_event_set_device (event, seat_impl->core_pointer);
clutter_event_set_source_device (event, input_device);
queue_event (seat_impl, event);
}
static void
notify_pad_button (ClutterInputDevice *input_device,
uint64_t time_us,
uint32_t button,
uint32_t mode_group,
uint32_t mode,
uint32_t pressed)
{
MetaSeatImpl *seat_impl;
ClutterEvent *event;
seat_impl = seat_impl_from_device (input_device);
if (pressed)
event = clutter_event_new (CLUTTER_PAD_BUTTON_PRESS);
else
event = clutter_event_new (CLUTTER_PAD_BUTTON_RELEASE);
event->pad_button.button = button;
event->pad_button.group = mode_group;
event->pad_button.mode = mode;
clutter_event_set_device (event, input_device);
clutter_event_set_source_device (event, input_device);
clutter_event_set_time (event, us2ms (time_us));
queue_event (seat_impl, event);
}
static void
notify_pad_strip (ClutterInputDevice *input_device,
uint64_t time_us,
uint32_t strip_number,
uint32_t strip_source,
uint32_t mode_group,
uint32_t mode,
double value)
{
ClutterInputDevicePadSource source;
MetaSeatImpl *seat_impl;
ClutterEvent *event;
seat_impl = seat_impl_from_device (input_device);
if (strip_source == LIBINPUT_TABLET_PAD_STRIP_SOURCE_FINGER)
source = CLUTTER_INPUT_DEVICE_PAD_SOURCE_FINGER;
else
source = CLUTTER_INPUT_DEVICE_PAD_SOURCE_UNKNOWN;
event = clutter_event_new (CLUTTER_PAD_STRIP);
event->pad_strip.strip_source = source;
event->pad_strip.strip_number = strip_number;
event->pad_strip.value = value;
event->pad_strip.group = mode_group;
event->pad_strip.mode = mode;
clutter_event_set_device (event, input_device);
clutter_event_set_source_device (event, input_device);
clutter_event_set_time (event, us2ms (time_us));
queue_event (seat_impl, event);
}
static void
notify_pad_ring (ClutterInputDevice *input_device,
uint64_t time_us,
uint32_t ring_number,
uint32_t ring_source,
uint32_t mode_group,
uint32_t mode,
double angle)
{
ClutterInputDevicePadSource source;
MetaSeatImpl *seat_impl;
ClutterEvent *event;
seat_impl = seat_impl_from_device (input_device);
if (ring_source == LIBINPUT_TABLET_PAD_RING_SOURCE_FINGER)
source = CLUTTER_INPUT_DEVICE_PAD_SOURCE_FINGER;
else
source = CLUTTER_INPUT_DEVICE_PAD_SOURCE_UNKNOWN;
event = clutter_event_new (CLUTTER_PAD_RING);
event->pad_ring.ring_source = source;
event->pad_ring.ring_number = ring_number;
event->pad_ring.angle = angle;
event->pad_ring.group = mode_group;
event->pad_ring.mode = mode;
clutter_event_set_device (event, input_device);
clutter_event_set_source_device (event, input_device);
clutter_event_set_time (event, us2ms (time_us));
queue_event (seat_impl, event);
}
static gboolean
meta_event_dispatch (GSource *g_source,
GSourceFunc callback,
gpointer user_data)
{
MetaEventSource *source = (MetaEventSource *) g_source;
MetaSeatImpl *seat_impl;
seat_impl = source->seat_impl;
dispatch_libinput (seat_impl);
return TRUE;
}
static GSourceFuncs event_funcs = {
meta_event_prepare,
meta_event_check,
meta_event_dispatch,
NULL
};
static MetaEventSource *
meta_event_source_new (MetaSeatImpl *seat_impl)
{
GSource *source;
MetaEventSource *event_source;
int fd;
source = g_source_new (&event_funcs, sizeof (MetaEventSource));
event_source = (MetaEventSource *) source;
/* setup the source */
event_source->seat_impl = seat_impl;
fd = libinput_get_fd (seat_impl->libinput);
event_source->event_poll_fd.fd = fd;
event_source->event_poll_fd.events = G_IO_IN;
/* and finally configure and attach the GSource */
g_source_set_priority (source, CLUTTER_PRIORITY_EVENTS);
g_source_add_poll (source, &event_source->event_poll_fd);
g_source_set_can_recurse (source, TRUE);
g_source_attach (source, seat_impl->input_context);
return event_source;
}
static void
meta_event_source_free (MetaEventSource *source)
{
GSource *g_source = (GSource *) source;
/* ignore the return value of close, it's not like we can do something
* about it */
close (source->event_poll_fd.fd);
g_source_destroy (g_source);
g_source_unref (g_source);
}
static gboolean
has_touchscreen (MetaSeatImpl *seat_impl)
{
GSList *l;
for (l = seat_impl->devices; l; l = l->next)
{
ClutterInputDeviceType device_type;
device_type = clutter_input_device_get_device_type (l->data);
if (device_type == CLUTTER_TOUCHSCREEN_DEVICE)
return TRUE;
}
return FALSE;
}
static inline gboolean
device_type_is_pointer (ClutterInputDeviceType device_type)
{
return device_type == CLUTTER_POINTER_DEVICE ||
device_type == CLUTTER_TOUCHPAD_DEVICE;
}
static gboolean
has_pointer (MetaSeatImpl *seat_impl)
{
GSList *l;
for (l = seat_impl->devices; l; l = l->next)
{
ClutterInputDeviceType device_type;
device_type = clutter_input_device_get_device_type (l->data);
if (device_type_is_pointer (device_type))
return TRUE;
}
return FALSE;
}
static gboolean
device_is_tablet_switch (MetaInputDeviceNative *device_native)
{
if (libinput_device_has_capability (device_native->libinput_device,
LIBINPUT_DEVICE_CAP_SWITCH) &&
libinput_device_switch_has_switch (device_native->libinput_device,
LIBINPUT_SWITCH_TABLET_MODE))
return TRUE;
return FALSE;
}
static gboolean
has_tablet_switch (MetaSeatImpl *seat_impl)
{
GSList *l;
for (l = seat_impl->devices; l; l = l->next)
{
MetaInputDeviceNative *device_native = META_INPUT_DEVICE_NATIVE (l->data);
if (device_is_tablet_switch (device_native))
return TRUE;
}
return FALSE;
}
static void
update_touch_mode (MetaSeatImpl *seat_impl)
{
gboolean touch_mode;
/* No touch mode if we don't have a touchscreen, easy */
if (!seat_impl->has_touchscreen)
touch_mode = FALSE;
/* If we have a tablet mode switch, honor it being unset */
else if (seat_impl->has_tablet_switch && !seat_impl->tablet_mode_switch_state)
touch_mode = FALSE;
/* If tablet mode is enabled, go for it */
else if (seat_impl->has_tablet_switch && seat_impl->tablet_mode_switch_state)
touch_mode = TRUE;
/* If there is no tablet mode switch (eg. kiosk machines),
* assume touch-mode is mutually exclusive with pointers.
*/
else
touch_mode = !seat_impl->has_pointer;
if (seat_impl->touch_mode != touch_mode)
{
GValue value = G_VALUE_INIT;
g_value_init (&value, G_TYPE_BOOLEAN);
g_value_set_boolean (&value, touch_mode);
seat_impl->touch_mode = touch_mode;
emit_signal (seat_impl, signals[TOUCH_MODE], &value, 1);
g_value_unset (&value);
}
}
static ClutterInputDevice *
evdev_add_device (MetaSeatImpl *seat_impl,
struct libinput_device *libinput_device)
{
ClutterInputDeviceType type;
ClutterInputDevice *device;
gboolean is_touchscreen, is_tablet_switch, is_pointer;
device = meta_input_device_native_new_in_impl (seat_impl, libinput_device);
seat_impl->devices = g_slist_prepend (seat_impl->devices, device);
meta_seat_impl_sync_leds_in_impl (seat_impl);
/* Clutter assumes that device types are exclusive in the
* ClutterInputDevice API */
type = meta_input_device_native_determine_type_in_impl (libinput_device);
is_touchscreen = type == CLUTTER_TOUCHSCREEN_DEVICE;
is_tablet_switch =
device_is_tablet_switch (META_INPUT_DEVICE_NATIVE (device));
is_pointer = device_type_is_pointer (type);
seat_impl->has_touchscreen |= is_touchscreen;
seat_impl->has_tablet_switch |= is_tablet_switch;
seat_impl->has_pointer |= is_pointer;
if (is_touchscreen || is_tablet_switch || is_pointer)
update_touch_mode (seat_impl);
return device;
}
static void
evdev_remove_device (MetaSeatImpl *seat_impl,
MetaInputDeviceNative *device_native)
{
ClutterInputDevice *device;
ClutterInputDeviceType device_type;
gboolean is_touchscreen, is_tablet_switch, is_pointer;
device = CLUTTER_INPUT_DEVICE (device_native);
seat_impl->devices = g_slist_remove (seat_impl->devices, device);
device_type = clutter_input_device_get_device_type (device);
is_touchscreen = device_type == CLUTTER_TOUCHSCREEN_DEVICE;
is_tablet_switch = device_is_tablet_switch (device_native);
is_pointer = device_type_is_pointer (device_type);
if (is_touchscreen)
seat_impl->has_touchscreen = has_touchscreen (seat_impl);
if (is_tablet_switch)
seat_impl->has_tablet_switch = has_tablet_switch (seat_impl);
if (is_pointer)
seat_impl->has_pointer = has_pointer (seat_impl);
if (is_touchscreen || is_tablet_switch || is_pointer)
update_touch_mode (seat_impl);
if (seat_impl->repeat_source && seat_impl->repeat_device == device)
meta_seat_impl_clear_repeat_source (seat_impl);
meta_input_device_native_detach_libinput_in_impl (device_native);
g_object_unref (device);
}
static gboolean
process_base_event (MetaSeatImpl *seat_impl,
struct libinput_event *event)
{
ClutterInputDevice *device;
ClutterEvent *device_event = NULL;
struct libinput_device *libinput_device;
MetaInputSettings *input_settings;
input_settings = seat_impl->input_settings;
switch (libinput_event_get_type (event))
{
case LIBINPUT_EVENT_DEVICE_ADDED:
libinput_device = libinput_event_get_device (event);
device = evdev_add_device (seat_impl, libinput_device);
device_event = clutter_event_new (CLUTTER_DEVICE_ADDED);
clutter_event_set_device (device_event, device);
meta_input_settings_add_device (input_settings, device);
break;
case LIBINPUT_EVENT_DEVICE_REMOVED:
libinput_device = libinput_event_get_device (event);
device = libinput_device_get_user_data (libinput_device);
device_event = clutter_event_new (CLUTTER_DEVICE_REMOVED);
clutter_event_set_device (device_event, device);
meta_input_settings_remove_device (input_settings, device);
evdev_remove_device (seat_impl,
META_INPUT_DEVICE_NATIVE (device));
break;
default:
break;
}
if (device_event)
{
queue_event (seat_impl, device_event);
return TRUE;
}
return FALSE;
}
static ClutterScrollSource
translate_scroll_source (enum libinput_pointer_axis_source source)
{
switch (source)
{
case LIBINPUT_POINTER_AXIS_SOURCE_WHEEL:
return CLUTTER_SCROLL_SOURCE_WHEEL;
case LIBINPUT_POINTER_AXIS_SOURCE_FINGER:
return CLUTTER_SCROLL_SOURCE_FINGER;
case LIBINPUT_POINTER_AXIS_SOURCE_CONTINUOUS:
return CLUTTER_SCROLL_SOURCE_CONTINUOUS;
default:
return CLUTTER_SCROLL_SOURCE_UNKNOWN;
}
}
static ClutterInputDeviceToolType
translate_tool_type (struct libinput_tablet_tool *libinput_tool)
{
enum libinput_tablet_tool_type tool;
tool = libinput_tablet_tool_get_type (libinput_tool);
switch (tool)
{
case LIBINPUT_TABLET_TOOL_TYPE_PEN:
return CLUTTER_INPUT_DEVICE_TOOL_PEN;
case LIBINPUT_TABLET_TOOL_TYPE_ERASER:
return CLUTTER_INPUT_DEVICE_TOOL_ERASER;
case LIBINPUT_TABLET_TOOL_TYPE_BRUSH:
return CLUTTER_INPUT_DEVICE_TOOL_BRUSH;
case LIBINPUT_TABLET_TOOL_TYPE_PENCIL:
return CLUTTER_INPUT_DEVICE_TOOL_PENCIL;
case LIBINPUT_TABLET_TOOL_TYPE_AIRBRUSH:
return CLUTTER_INPUT_DEVICE_TOOL_AIRBRUSH;
case LIBINPUT_TABLET_TOOL_TYPE_MOUSE:
return CLUTTER_INPUT_DEVICE_TOOL_MOUSE;
case LIBINPUT_TABLET_TOOL_TYPE_LENS:
return CLUTTER_INPUT_DEVICE_TOOL_LENS;
default:
return CLUTTER_INPUT_DEVICE_TOOL_NONE;
}
}
static void
input_device_update_tool (MetaSeatImpl *seat_impl,
ClutterInputDevice *input_device,
struct libinput_tablet_tool *libinput_tool)
{
MetaInputDeviceNative *evdev_device = META_INPUT_DEVICE_NATIVE (input_device);
ClutterInputDeviceTool *tool = NULL;
MetaInputSettings *input_settings;
if (libinput_tool)
{
if (!seat_impl->tools)
{
seat_impl->tools =
g_hash_table_new_full (NULL, NULL, NULL,
(GDestroyNotify) g_object_unref);
}
tool = g_hash_table_lookup (seat_impl->tools, libinput_tool);
if (!tool)
{
ClutterInputDeviceToolType tool_type;
uint64_t tool_serial;
tool_serial = libinput_tablet_tool_get_serial (libinput_tool);
tool_type = translate_tool_type (libinput_tool);
tool = meta_input_device_tool_native_new (libinput_tool,
tool_serial, tool_type);
g_hash_table_insert (seat_impl->tools, libinput_tool, tool);
}
}
if (evdev_device->last_tool != tool)
{
evdev_device->last_tool = tool;
input_settings = seat_impl->input_settings;
meta_input_settings_notify_tool_change (input_settings, input_device, tool);
}
}
static double *
translate_tablet_axes (struct libinput_event_tablet_tool *tablet_event,
ClutterInputDeviceTool *tool)
{
double *axes = g_new0 (double, CLUTTER_INPUT_AXIS_LAST);
struct libinput_tablet_tool *libinput_tool;
double value;
libinput_tool = libinput_event_tablet_tool_get_tool (tablet_event);
value = libinput_event_tablet_tool_get_x (tablet_event);
axes[CLUTTER_INPUT_AXIS_X] = value;
value = libinput_event_tablet_tool_get_y (tablet_event);
axes[CLUTTER_INPUT_AXIS_Y] = value;
if (libinput_tablet_tool_has_distance (libinput_tool))
{
value = libinput_event_tablet_tool_get_distance (tablet_event);
axes[CLUTTER_INPUT_AXIS_DISTANCE] = value;
}
if (libinput_tablet_tool_has_pressure (libinput_tool))
{
value = libinput_event_tablet_tool_get_pressure (tablet_event);
value = meta_input_device_tool_native_translate_pressure_in_impl (tool, value);
axes[CLUTTER_INPUT_AXIS_PRESSURE] = value;
}
if (libinput_tablet_tool_has_tilt (libinput_tool))
{
value = libinput_event_tablet_tool_get_tilt_x (tablet_event);
axes[CLUTTER_INPUT_AXIS_XTILT] = value;
value = libinput_event_tablet_tool_get_tilt_y (tablet_event);
axes[CLUTTER_INPUT_AXIS_YTILT] = value;
}
if (libinput_tablet_tool_has_rotation (libinput_tool))
{
value = libinput_event_tablet_tool_get_rotation (tablet_event);
axes[CLUTTER_INPUT_AXIS_ROTATION] = value;
}
if (libinput_tablet_tool_has_slider (libinput_tool))
{
value = libinput_event_tablet_tool_get_slider_position (tablet_event);
axes[CLUTTER_INPUT_AXIS_SLIDER] = value;
}
if (libinput_tablet_tool_has_wheel (libinput_tool))
{
value = libinput_event_tablet_tool_get_wheel_delta (tablet_event);
axes[CLUTTER_INPUT_AXIS_WHEEL] = value;
}
return axes;
}
static void
notify_continuous_axis (MetaSeatImpl *seat_impl,
ClutterInputDevice *device,
uint64_t time_us,
ClutterScrollSource scroll_source,
struct libinput_event_pointer *axis_event)
{
double dx = 0.0, dy = 0.0;
ClutterScrollFinishFlags finish_flags = CLUTTER_SCROLL_FINISHED_NONE;
if (libinput_event_pointer_has_axis (axis_event,
LIBINPUT_POINTER_AXIS_SCROLL_HORIZONTAL))
{
dx = libinput_event_pointer_get_axis_value (
axis_event, LIBINPUT_POINTER_AXIS_SCROLL_HORIZONTAL);
if (fabs (dx) < DBL_EPSILON)
finish_flags |= CLUTTER_SCROLL_FINISHED_HORIZONTAL;
}
if (libinput_event_pointer_has_axis (axis_event,
LIBINPUT_POINTER_AXIS_SCROLL_VERTICAL))
{
dy = libinput_event_pointer_get_axis_value (
axis_event, LIBINPUT_POINTER_AXIS_SCROLL_VERTICAL);
if (fabs (dy) < DBL_EPSILON)
finish_flags |= CLUTTER_SCROLL_FINISHED_VERTICAL;
}
meta_seat_impl_notify_scroll_continuous_in_impl (seat_impl, device, time_us,
dx, dy,
scroll_source, finish_flags);
}
static void
notify_discrete_axis (MetaSeatImpl *seat_impl,
ClutterInputDevice *device,
uint64_t time_us,
ClutterScrollSource scroll_source,
struct libinput_event_pointer *axis_event)
{
double discrete_dx = 0.0, discrete_dy = 0.0;
if (libinput_event_pointer_has_axis (axis_event,
LIBINPUT_POINTER_AXIS_SCROLL_HORIZONTAL))
{
discrete_dx = libinput_event_pointer_get_axis_value_discrete (
axis_event, LIBINPUT_POINTER_AXIS_SCROLL_HORIZONTAL);
}
if (libinput_event_pointer_has_axis (axis_event,
LIBINPUT_POINTER_AXIS_SCROLL_VERTICAL))
{
discrete_dy = libinput_event_pointer_get_axis_value_discrete (
axis_event, LIBINPUT_POINTER_AXIS_SCROLL_VERTICAL);
}
meta_seat_impl_notify_discrete_scroll_in_impl (seat_impl, device,
time_us,
discrete_dx, discrete_dy,
scroll_source);
}
static void
process_tablet_axis (MetaSeatImpl *seat_impl,
struct libinput_event *event)
{
struct libinput_device *libinput_device = libinput_event_get_device (event);
uint64_t time;
double x, y, dx, dy, *axes;
float stage_width, stage_height;
ClutterInputDevice *device;
struct libinput_event_tablet_tool *tablet_event =
libinput_event_get_tablet_tool_event (event);
MetaInputDeviceNative *evdev_device;
device = libinput_device_get_user_data (libinput_device);
evdev_device = META_INPUT_DEVICE_NATIVE (device);
axes = translate_tablet_axes (tablet_event,
evdev_device->last_tool);
meta_viewport_info_get_extents (seat_impl->viewports,
&stage_width, &stage_height);
time = libinput_event_tablet_tool_get_time_usec (tablet_event);
if (meta_input_device_native_get_mapping_mode_in_impl (device) == META_INPUT_DEVICE_MAPPING_RELATIVE ||
clutter_input_device_tool_get_tool_type (evdev_device->last_tool) == CLUTTER_INPUT_DEVICE_TOOL_MOUSE ||
clutter_input_device_tool_get_tool_type (evdev_device->last_tool) == CLUTTER_INPUT_DEVICE_TOOL_LENS)
{
dx = libinput_event_tablet_tool_get_dx (tablet_event);
dy = libinput_event_tablet_tool_get_dy (tablet_event);
notify_relative_tool_motion_in_impl (device, time, dx, dy, axes);
}
else
{
x = libinput_event_tablet_tool_get_x_transformed (tablet_event, stage_width);
y = libinput_event_tablet_tool_get_y_transformed (tablet_event, stage_height);
notify_absolute_motion_in_impl (device, time, x, y, axes);
}
}
static gboolean
process_device_event (MetaSeatImpl *seat_impl,
struct libinput_event *event)
{
gboolean handled = TRUE;
struct libinput_device *libinput_device = libinput_event_get_device(event);
ClutterInputDevice *device;
MetaInputDeviceNative *device_native;
switch (libinput_event_get_type (event))
{
case LIBINPUT_EVENT_KEYBOARD_KEY:
{
uint32_t key, key_state, seat_key_count;
uint64_t time_us;
struct libinput_event_keyboard *key_event =
libinput_event_get_keyboard_event (event);
device = libinput_device_get_user_data (libinput_device);
time_us = libinput_event_keyboard_get_time_usec (key_event);
key = libinput_event_keyboard_get_key (key_event);
key_state = libinput_event_keyboard_get_key_state (key_event) ==
LIBINPUT_KEY_STATE_PRESSED;
seat_key_count =
libinput_event_keyboard_get_seat_key_count (key_event);
/* Ignore key events that are not seat wide state changes. */
if ((key_state == LIBINPUT_KEY_STATE_PRESSED &&
seat_key_count != 1) ||
(key_state == LIBINPUT_KEY_STATE_RELEASED &&
seat_key_count != 0))
{
meta_topic (META_DEBUG_INPUT,
"Dropping key-%s of key 0x%x because seat-wide "
"key count is %d",
key_state == LIBINPUT_KEY_STATE_PRESSED ? "press" : "release",
key, seat_key_count);
break;
}
meta_seat_impl_notify_key_in_impl (seat_impl,
device,
time_us, key, key_state, TRUE);
break;
}
case LIBINPUT_EVENT_POINTER_MOTION:
{
struct libinput_event_pointer *pointer_event =
libinput_event_get_pointer_event (event);
uint64_t time_us;
double dx;
double dy;
double dx_unaccel;
double dy_unaccel;
device = libinput_device_get_user_data (libinput_device);
time_us = libinput_event_pointer_get_time_usec (pointer_event);
dx = libinput_event_pointer_get_dx (pointer_event);
dy = libinput_event_pointer_get_dy (pointer_event);
dx_unaccel = libinput_event_pointer_get_dx_unaccelerated (pointer_event);
dy_unaccel = libinput_event_pointer_get_dy_unaccelerated (pointer_event);
meta_seat_impl_notify_relative_motion_in_impl (seat_impl,
device,
time_us,
dx, dy,
dx_unaccel, dy_unaccel);
break;
}
case LIBINPUT_EVENT_POINTER_MOTION_ABSOLUTE:
{
uint64_t time_us;
double x, y;
float stage_width, stage_height;
struct libinput_event_pointer *motion_event =
libinput_event_get_pointer_event (event);
device = libinput_device_get_user_data (libinput_device);
meta_viewport_info_get_extents (seat_impl->viewports,
&stage_width, &stage_height);
time_us = libinput_event_pointer_get_time_usec (motion_event);
x = libinput_event_pointer_get_absolute_x_transformed (motion_event,
stage_width);
y = libinput_event_pointer_get_absolute_y_transformed (motion_event,
stage_height);
meta_seat_impl_notify_absolute_motion_in_impl (seat_impl,
device,
time_us,
x, y,
NULL);
break;
}
case LIBINPUT_EVENT_POINTER_BUTTON:
{
uint32_t button, button_state, seat_button_count;
uint64_t time_us;
struct libinput_event_pointer *button_event =
libinput_event_get_pointer_event (event);
device = libinput_device_get_user_data (libinput_device);
time_us = libinput_event_pointer_get_time_usec (button_event);
button = libinput_event_pointer_get_button (button_event);
button_state = libinput_event_pointer_get_button_state (button_event) ==
LIBINPUT_BUTTON_STATE_PRESSED;
seat_button_count =
libinput_event_pointer_get_seat_button_count (button_event);
/* Ignore button events that are not seat wide state changes. */
if ((button_state == LIBINPUT_BUTTON_STATE_PRESSED &&
seat_button_count != 1) ||
(button_state == LIBINPUT_BUTTON_STATE_RELEASED &&
seat_button_count != 0))
{
meta_topic (META_DEBUG_INPUT,
"Dropping button-%s of button 0x%x because seat-wide "
"button count is %d",
button_state == LIBINPUT_BUTTON_STATE_PRESSED ? "press" : "release",
button, seat_button_count);
break;
}
meta_seat_impl_notify_button_in_impl (seat_impl, device,
time_us, button, button_state);
break;
}
case LIBINPUT_EVENT_POINTER_AXIS:
{
uint64_t time_us;
enum libinput_pointer_axis_source source;
struct libinput_event_pointer *axis_event =
libinput_event_get_pointer_event (event);
ClutterScrollSource scroll_source;
device = libinput_device_get_user_data (libinput_device);
time_us = libinput_event_pointer_get_time_usec (axis_event);
source = libinput_event_pointer_get_axis_source (axis_event);
scroll_source = translate_scroll_source (source);
/* libinput < 0.8 sent wheel click events with value 10. Since 0.8
the value is the angle of the click in degrees. To keep
backwards-compat with existing clients, we just send multiples of
the click count. */
switch (scroll_source)
{
case CLUTTER_SCROLL_SOURCE_WHEEL:
notify_discrete_axis (seat_impl, device, time_us, scroll_source,
axis_event);
break;
case CLUTTER_SCROLL_SOURCE_FINGER:
case CLUTTER_SCROLL_SOURCE_CONTINUOUS:
case CLUTTER_SCROLL_SOURCE_UNKNOWN:
notify_continuous_axis (seat_impl, device, time_us, scroll_source,
axis_event);
break;
}
break;
}
case LIBINPUT_EVENT_TOUCH_DOWN:
{
int seat_slot;
uint64_t time_us;
double x, y;
float stage_width, stage_height;
MetaTouchState *touch_state;
struct libinput_event_touch *touch_event =
libinput_event_get_touch_event (event);
device = libinput_device_get_user_data (libinput_device);
device_native = META_INPUT_DEVICE_NATIVE (device);
meta_viewport_info_get_extents (seat_impl->viewports,
&stage_width, &stage_height);
seat_slot = libinput_event_touch_get_seat_slot (touch_event);
time_us = libinput_event_touch_get_time_usec (touch_event);
x = libinput_event_touch_get_x_transformed (touch_event,
stage_width);
y = libinput_event_touch_get_y_transformed (touch_event,
stage_height);
g_rw_lock_writer_lock (&seat_impl->state_lock);
touch_state = meta_seat_impl_acquire_touch_state_in_impl (seat_impl, seat_slot);
touch_state->coords.x = x;
touch_state->coords.y = y;
g_rw_lock_writer_unlock (&seat_impl->state_lock);
meta_seat_impl_notify_touch_event_in_impl (seat_impl, device,
CLUTTER_TOUCH_BEGIN,
time_us,
touch_state->seat_slot,
touch_state->coords.x,
touch_state->coords.y);
break;
}
case LIBINPUT_EVENT_TOUCH_UP:
{
int seat_slot;
uint64_t time_us;
MetaTouchState *touch_state;
struct libinput_event_touch *touch_event =
libinput_event_get_touch_event (event);
device = libinput_device_get_user_data (libinput_device);
device_native = META_INPUT_DEVICE_NATIVE (device);
seat_slot = libinput_event_touch_get_seat_slot (touch_event);
time_us = libinput_event_touch_get_time_usec (touch_event);
touch_state = meta_seat_impl_lookup_touch_state_in_impl (seat_impl, seat_slot);
if (!touch_state)
break;
meta_seat_impl_notify_touch_event_in_impl (seat_impl, device,
CLUTTER_TOUCH_END, time_us,
touch_state->seat_slot,
touch_state->coords.x,
touch_state->coords.y);
g_rw_lock_writer_lock (&seat_impl->state_lock);
meta_seat_impl_release_touch_state_in_impl (seat_impl, seat_slot);
g_rw_lock_writer_unlock (&seat_impl->state_lock);
break;
}
case LIBINPUT_EVENT_TOUCH_MOTION:
{
int seat_slot;
uint64_t time_us;
double x, y;
float stage_width, stage_height;
MetaTouchState *touch_state;
struct libinput_event_touch *touch_event =
libinput_event_get_touch_event (event);
device = libinput_device_get_user_data (libinput_device);
device_native = META_INPUT_DEVICE_NATIVE (device);
meta_viewport_info_get_extents (seat_impl->viewports,
&stage_width, &stage_height);
seat_slot = libinput_event_touch_get_seat_slot (touch_event);
time_us = libinput_event_touch_get_time_usec (touch_event);
x = libinput_event_touch_get_x_transformed (touch_event,
stage_width);
y = libinput_event_touch_get_y_transformed (touch_event,
stage_height);
g_rw_lock_writer_lock (&seat_impl->state_lock);
touch_state = meta_seat_impl_lookup_touch_state_in_impl (seat_impl, seat_slot);
if (touch_state)
{
touch_state->coords.x = x;
touch_state->coords.y = y;
}
g_rw_lock_writer_unlock (&seat_impl->state_lock);
if (!touch_state)
break;
meta_seat_impl_notify_touch_event_in_impl (seat_impl, device,
CLUTTER_TOUCH_UPDATE,
time_us,
touch_state->seat_slot,
touch_state->coords.x,
touch_state->coords.y);
break;
}
case LIBINPUT_EVENT_TOUCH_CANCEL:
{
int seat_slot;
MetaTouchState *touch_state;
uint64_t time_us;
struct libinput_event_touch *touch_event =
libinput_event_get_touch_event (event);
device = libinput_device_get_user_data (libinput_device);
device_native = META_INPUT_DEVICE_NATIVE (device);
time_us = libinput_event_touch_get_time_usec (touch_event);
seat_slot = libinput_event_touch_get_seat_slot (touch_event);
touch_state = meta_seat_impl_lookup_touch_state_in_impl (seat_impl, seat_slot);
if (!touch_state)
break;
meta_seat_impl_notify_touch_event_in_impl (touch_state->seat_impl,
CLUTTER_INPUT_DEVICE (device_native),
CLUTTER_TOUCH_CANCEL,
time_us,
touch_state->seat_slot,
touch_state->coords.x,
touch_state->coords.y);
meta_seat_impl_release_touch_state_in_impl (seat_impl, seat_slot);
break;
}
case LIBINPUT_EVENT_GESTURE_PINCH_BEGIN:
case LIBINPUT_EVENT_GESTURE_PINCH_END:
{
struct libinput_event_gesture *gesture_event =
libinput_event_get_gesture_event (event);
ClutterTouchpadGesturePhase phase;
uint32_t n_fingers;
uint64_t time_us;
if (libinput_event_get_type (event) == LIBINPUT_EVENT_GESTURE_PINCH_BEGIN)
phase = CLUTTER_TOUCHPAD_GESTURE_PHASE_BEGIN;
else
phase = libinput_event_gesture_get_cancelled (gesture_event) ?
CLUTTER_TOUCHPAD_GESTURE_PHASE_CANCEL : CLUTTER_TOUCHPAD_GESTURE_PHASE_END;
n_fingers = libinput_event_gesture_get_finger_count (gesture_event);
device = libinput_device_get_user_data (libinput_device);
time_us = libinput_event_gesture_get_time_usec (gesture_event);
notify_pinch_gesture_event (device, phase, time_us, 0, 0, 0, 0, 0, 0, n_fingers);
break;
}
case LIBINPUT_EVENT_GESTURE_PINCH_UPDATE:
{
struct libinput_event_gesture *gesture_event =
libinput_event_get_gesture_event (event);
double angle_delta, scale, dx, dy, dx_unaccel, dy_unaccel;
uint32_t n_fingers;
uint64_t time_us;
n_fingers = libinput_event_gesture_get_finger_count (gesture_event);
device = libinput_device_get_user_data (libinput_device);
time_us = libinput_event_gesture_get_time_usec (gesture_event);
angle_delta = libinput_event_gesture_get_angle_delta (gesture_event);
scale = libinput_event_gesture_get_scale (gesture_event);
dx = libinput_event_gesture_get_dx (gesture_event);
dy = libinput_event_gesture_get_dy (gesture_event);
dx_unaccel = libinput_event_gesture_get_dx_unaccelerated (gesture_event);
dy_unaccel = libinput_event_gesture_get_dy_unaccelerated (gesture_event);
notify_pinch_gesture_event (device,
CLUTTER_TOUCHPAD_GESTURE_PHASE_UPDATE,
time_us, dx, dy, dx_unaccel, dy_unaccel,
angle_delta, scale, n_fingers);
break;
}
case LIBINPUT_EVENT_GESTURE_SWIPE_BEGIN:
case LIBINPUT_EVENT_GESTURE_SWIPE_END:
{
struct libinput_event_gesture *gesture_event =
libinput_event_get_gesture_event (event);
ClutterTouchpadGesturePhase phase;
uint32_t n_fingers;
uint64_t time_us;
device = libinput_device_get_user_data (libinput_device);
time_us = libinput_event_gesture_get_time_usec (gesture_event);
n_fingers = libinput_event_gesture_get_finger_count (gesture_event);
if (libinput_event_get_type (event) == LIBINPUT_EVENT_GESTURE_SWIPE_BEGIN)
phase = CLUTTER_TOUCHPAD_GESTURE_PHASE_BEGIN;
else
phase = libinput_event_gesture_get_cancelled (gesture_event) ?
CLUTTER_TOUCHPAD_GESTURE_PHASE_CANCEL : CLUTTER_TOUCHPAD_GESTURE_PHASE_END;
notify_swipe_gesture_event (device, phase, time_us, n_fingers, 0, 0, 0, 0);
break;
}
case LIBINPUT_EVENT_GESTURE_SWIPE_UPDATE:
{
struct libinput_event_gesture *gesture_event =
libinput_event_get_gesture_event (event);
uint32_t n_fingers;
uint64_t time_us;
double dx, dy, dx_unaccel, dy_unaccel;
device = libinput_device_get_user_data (libinput_device);
time_us = libinput_event_gesture_get_time_usec (gesture_event);
n_fingers = libinput_event_gesture_get_finger_count (gesture_event);
dx = libinput_event_gesture_get_dx (gesture_event);
dy = libinput_event_gesture_get_dy (gesture_event);
dx_unaccel = libinput_event_gesture_get_dx_unaccelerated (gesture_event);
dy_unaccel = libinput_event_gesture_get_dy_unaccelerated (gesture_event);
notify_swipe_gesture_event (device,
CLUTTER_TOUCHPAD_GESTURE_PHASE_UPDATE,
time_us, n_fingers, dx, dy, dx_unaccel, dy_unaccel);
break;
}
case LIBINPUT_EVENT_TABLET_TOOL_AXIS:
{
process_tablet_axis (seat_impl, event);
break;
}
case LIBINPUT_EVENT_TABLET_TOOL_PROXIMITY:
{
uint64_t time;
struct libinput_event_tablet_tool *tablet_event =
libinput_event_get_tablet_tool_event (event);
struct libinput_tablet_tool *libinput_tool = NULL;
enum libinput_tablet_tool_proximity_state state;
gboolean in;
state = libinput_event_tablet_tool_get_proximity_state (tablet_event);
time = libinput_event_tablet_tool_get_time_usec (tablet_event);
device = libinput_device_get_user_data (libinput_device);
in = state == LIBINPUT_TABLET_TOOL_PROXIMITY_STATE_IN;
libinput_tool = libinput_event_tablet_tool_get_tool (tablet_event);
if (in)
input_device_update_tool (seat_impl, device, libinput_tool);
notify_proximity (device, time, in);
if (!in)
input_device_update_tool (seat_impl, device, NULL);
break;
}
case LIBINPUT_EVENT_TABLET_TOOL_BUTTON:
{
uint64_t time_us;
uint32_t button_state;
struct libinput_event_tablet_tool *tablet_event =
libinput_event_get_tablet_tool_event (event);
uint32_t tablet_button;
process_tablet_axis (seat_impl, event);
device = libinput_device_get_user_data (libinput_device);
time_us = libinput_event_tablet_tool_get_time_usec (tablet_event);
tablet_button = libinput_event_tablet_tool_get_button (tablet_event);
button_state = libinput_event_tablet_tool_get_button_state (tablet_event) ==
LIBINPUT_BUTTON_STATE_PRESSED;
meta_seat_impl_notify_button_in_impl (seat_impl, device,
time_us, tablet_button, button_state);
break;
}
case LIBINPUT_EVENT_TABLET_TOOL_TIP:
{
uint64_t time_us;
uint32_t button_state;
struct libinput_event_tablet_tool *tablet_event =
libinput_event_get_tablet_tool_event (event);
device = libinput_device_get_user_data (libinput_device);
time_us = libinput_event_tablet_tool_get_time_usec (tablet_event);
button_state = libinput_event_tablet_tool_get_tip_state (tablet_event) ==
LIBINPUT_TABLET_TOOL_TIP_DOWN;
/* To avoid jumps on tip, notify axes before the tip down event
but after the tip up event */
if (button_state)
process_tablet_axis (seat_impl, event);
meta_seat_impl_notify_button_in_impl (seat_impl, device,
time_us, BTN_TOUCH, button_state);
if (!button_state)
process_tablet_axis (seat_impl, event);
break;
}
case LIBINPUT_EVENT_TABLET_PAD_BUTTON:
{
uint64_t time;
uint32_t button_state, button, group, mode;
struct libinput_tablet_pad_mode_group *mode_group;
struct libinput_event_tablet_pad *pad_event =
libinput_event_get_tablet_pad_event (event);
device = libinput_device_get_user_data (libinput_device);
time = libinput_event_tablet_pad_get_time_usec (pad_event);
mode_group = libinput_event_tablet_pad_get_mode_group (pad_event);
group = libinput_tablet_pad_mode_group_get_index (mode_group);
mode = libinput_event_tablet_pad_get_mode (pad_event);
button = libinput_event_tablet_pad_get_button_number (pad_event);
button_state = libinput_event_tablet_pad_get_button_state (pad_event) ==
LIBINPUT_BUTTON_STATE_PRESSED;
notify_pad_button (device, time, button, group, mode, button_state);
break;
}
case LIBINPUT_EVENT_TABLET_PAD_STRIP:
{
uint64_t time;
uint32_t number, source, group, mode;
struct libinput_tablet_pad_mode_group *mode_group;
struct libinput_event_tablet_pad *pad_event =
libinput_event_get_tablet_pad_event (event);
double value;
device = libinput_device_get_user_data (libinput_device);
time = libinput_event_tablet_pad_get_time_usec (pad_event);
number = libinput_event_tablet_pad_get_strip_number (pad_event);
value = libinput_event_tablet_pad_get_strip_position (pad_event);
source = libinput_event_tablet_pad_get_strip_source (pad_event);
mode_group = libinput_event_tablet_pad_get_mode_group (pad_event);
group = libinput_tablet_pad_mode_group_get_index (mode_group);
mode = libinput_event_tablet_pad_get_mode (pad_event);
notify_pad_strip (device, time, number, source, group, mode, value);
break;
}
case LIBINPUT_EVENT_TABLET_PAD_RING:
{
uint64_t time;
uint32_t number, source, group, mode;
struct libinput_tablet_pad_mode_group *mode_group;
struct libinput_event_tablet_pad *pad_event =
libinput_event_get_tablet_pad_event (event);
double angle;
device = libinput_device_get_user_data (libinput_device);
time = libinput_event_tablet_pad_get_time_usec (pad_event);
number = libinput_event_tablet_pad_get_ring_number (pad_event);
angle = libinput_event_tablet_pad_get_ring_position (pad_event);
source = libinput_event_tablet_pad_get_ring_source (pad_event);
mode_group = libinput_event_tablet_pad_get_mode_group (pad_event);
group = libinput_tablet_pad_mode_group_get_index (mode_group);
mode = libinput_event_tablet_pad_get_mode (pad_event);
notify_pad_ring (device, time, number, source, group, mode, angle);
break;
}
case LIBINPUT_EVENT_SWITCH_TOGGLE:
{
struct libinput_event_switch *switch_event =
libinput_event_get_switch_event (event);
enum libinput_switch sw =
libinput_event_switch_get_switch (switch_event);
enum libinput_switch_state state =
libinput_event_switch_get_switch_state (switch_event);
if (sw == LIBINPUT_SWITCH_TABLET_MODE)
{
seat_impl->tablet_mode_switch_state = (state == LIBINPUT_SWITCH_STATE_ON);
update_touch_mode (seat_impl);
}
break;
}
default:
handled = FALSE;
}
return handled;
}
static void
process_event (MetaSeatImpl *seat_impl,
struct libinput_event *event)
{
if (process_base_event (seat_impl, event))
return;
if (process_device_event (seat_impl, event))
return;
}
static void
process_events (MetaSeatImpl *seat_impl)
{
struct libinput_event *event;
while ((event = libinput_get_event (seat_impl->libinput)))
{
process_event(seat_impl, event);
libinput_event_destroy(event);
}
}
static int
open_restricted (const char *path,
int open_flags,
void *user_data)
{
MetaSeatImpl *seat_impl = user_data;
MetaSeatImplPrivate *priv = meta_seat_impl_get_instance_private (seat_impl);
MetaBackend *backend = meta_seat_native_get_backend (seat_impl->seat_native);
MetaDevicePool *device_pool =
meta_backend_native_get_device_pool (META_BACKEND_NATIVE (backend));
MetaDeviceFileFlags flags;
g_autoptr (GError) error = NULL;
MetaDeviceFile *device_file;
int fd;
flags = META_DEVICE_FILE_FLAG_NONE;
if (!(open_flags & (O_RDWR | O_WRONLY)))
flags |= META_DEVICE_FILE_FLAG_READ_ONLY;
if (!g_str_has_prefix (path, "/sys/"))
flags |= META_DEVICE_FILE_FLAG_TAKE_CONTROL;
device_file = meta_device_pool_open (device_pool, path, flags, &error);
if (!device_file)
{
g_warning ("Could not open device %s: %s", path, error->message);
return -1;
}
fd = meta_device_file_get_fd (device_file);
g_hash_table_insert (priv->device_files, GINT_TO_POINTER (fd), device_file);
return fd;
}
static void
close_restricted (int fd,
void *user_data)
{
MetaSeatImpl *seat_impl = user_data;
MetaSeatImplPrivate *priv = meta_seat_impl_get_instance_private (seat_impl);
g_hash_table_remove (priv->device_files, GINT_TO_POINTER (fd));
}
static const struct libinput_interface libinput_interface = {
open_restricted,
close_restricted
};
static void
kbd_a11y_changed_cb (MetaInputSettings *input_settings,
MetaKbdA11ySettings *a11y_settings,
MetaSeatImpl *seat_impl)
{
MetaInputDeviceNative *keyboard;
keyboard = META_INPUT_DEVICE_NATIVE (seat_impl->core_keyboard);
meta_input_device_native_apply_kbd_a11y_settings_in_impl (keyboard, a11y_settings);
}
static void
meta_seat_impl_set_keyboard_numlock_in_impl (MetaSeatImpl *seat_impl,
gboolean numlock_state)
{
xkb_mod_mask_t depressed_mods;
xkb_mod_mask_t latched_mods;
xkb_mod_mask_t locked_mods;
xkb_mod_mask_t group_mods;
xkb_mod_mask_t numlock;
struct xkb_keymap *xkb_keymap;
MetaKeymapNative *keymap;
keymap = seat_impl->keymap;
xkb_keymap = meta_keymap_native_get_keyboard_map_in_impl (keymap);
numlock = (1 << xkb_keymap_mod_get_index (xkb_keymap, "Mod2"));
depressed_mods =
xkb_state_serialize_mods (seat_impl->xkb, XKB_STATE_MODS_DEPRESSED);
latched_mods =
xkb_state_serialize_mods (seat_impl->xkb, XKB_STATE_MODS_LATCHED);
locked_mods =
xkb_state_serialize_mods (seat_impl->xkb, XKB_STATE_MODS_LOCKED);
group_mods =
xkb_state_serialize_layout (seat_impl->xkb, XKB_STATE_LAYOUT_EFFECTIVE);
if (numlock_state)
locked_mods |= numlock;
else
locked_mods &= ~numlock;
xkb_state_update_mask (seat_impl->xkb,
depressed_mods,
latched_mods,
locked_mods,
0, 0,
group_mods);
meta_seat_impl_sync_leds_in_impl (seat_impl);
meta_keymap_native_update_in_impl (seat_impl->keymap,
seat_impl,
seat_impl->xkb);
}
static gboolean
init_libinput (MetaSeatImpl *seat_impl,
GError **error)
{
MetaEventSource *source;
struct udev *udev;
struct libinput *libinput;
udev = udev_new ();
if (G_UNLIKELY (udev == NULL))
{
g_warning ("Failed to create udev object");
seat_impl->input_thread_initialized = TRUE;
return FALSE;
}
libinput = libinput_udev_create_context (&libinput_interface,
seat_impl, udev);
udev_unref (udev);
if (libinput == NULL)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Failed to create the libinput object.");
return FALSE;
}
if (libinput_udev_assign_seat (libinput, seat_impl->seat_id) == -1)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Failed to assign a seat to the libinput object.");
libinput_unref (seat_impl->libinput);
return FALSE;
}
seat_impl->libinput = libinput;
source = meta_event_source_new (seat_impl);
seat_impl->event_source = source;
return TRUE;
}
static gpointer
input_thread (MetaSeatImpl *seat_impl)
{
MetaSeatImplPrivate *priv = meta_seat_impl_get_instance_private (seat_impl);
struct xkb_keymap *xkb_keymap;
g_main_context_push_thread_default (seat_impl->input_context);
priv->device_files =
g_hash_table_new_full (NULL, NULL,
NULL,
(GDestroyNotify) meta_device_file_release);
if (!(seat_impl->flags & META_SEAT_NATIVE_FLAG_NO_LIBINPUT))
{
g_autoptr (GError) error = NULL;
if (!init_libinput (seat_impl, &error))
{
g_critical ("Failed to initialize seat: %s", error->message);
seat_impl->input_thread_initialized = TRUE;
return NULL;
}
}
seat_impl->input_settings = meta_input_settings_native_new_in_impl (seat_impl);
g_signal_connect_object (seat_impl->input_settings, "kbd-a11y-changed",
G_CALLBACK (kbd_a11y_changed_cb), seat_impl, 0);
seat_impl->keymap = g_object_new (META_TYPE_KEYMAP_NATIVE, NULL);
xkb_keymap = meta_keymap_native_get_keyboard_map_in_impl (seat_impl->keymap);
if (xkb_keymap)
{
seat_impl->xkb = xkb_state_new (xkb_keymap);
seat_impl->caps_lock_led =
xkb_keymap_led_get_index (xkb_keymap, XKB_LED_NAME_CAPS);
seat_impl->num_lock_led =
xkb_keymap_led_get_index (xkb_keymap, XKB_LED_NAME_NUM);
seat_impl->scroll_lock_led =
xkb_keymap_led_get_index (xkb_keymap, XKB_LED_NAME_SCROLL);
}
if (meta_input_settings_maybe_restore_numlock_state (seat_impl->input_settings))
meta_seat_impl_set_keyboard_numlock_in_impl (seat_impl, TRUE);
seat_impl->has_touchscreen = has_touchscreen (seat_impl);
seat_impl->has_tablet_switch = has_tablet_switch (seat_impl);
update_touch_mode (seat_impl);
g_mutex_lock (&seat_impl->init_mutex);
seat_impl->input_thread_initialized = TRUE;
g_cond_signal (&seat_impl->init_cond);
g_mutex_unlock (&seat_impl->init_mutex);
seat_impl->input_loop = g_main_loop_new (seat_impl->input_context, FALSE);
g_main_loop_run (seat_impl->input_loop);
g_main_loop_unref (seat_impl->input_loop);
g_main_context_pop_thread_default (seat_impl->input_context);
return NULL;
}
static gboolean
meta_seat_impl_initable_init (GInitable *initable,
GCancellable *cancellable,
GError **error)
{
MetaSeatImpl *seat_impl = META_SEAT_IMPL (initable);
seat_impl->input_context = g_main_context_new ();
seat_impl->main_context = g_main_context_ref_thread_default ();
g_assert (seat_impl->main_context == g_main_context_default ());
seat_impl->input_thread =
g_thread_try_new ("Mutter Input Thread",
(GThreadFunc) input_thread,
initable,
error);
if (!seat_impl->input_thread)
return FALSE;
/* Initialize thread synchronously */
g_mutex_lock (&seat_impl->init_mutex);
while (!seat_impl->input_thread_initialized)
g_cond_wait (&seat_impl->init_cond, &seat_impl->init_mutex);
g_mutex_unlock (&seat_impl->init_mutex);
return TRUE;
}
static void
meta_seat_impl_constructed (GObject *object)
{
MetaSeatImpl *seat_impl = META_SEAT_IMPL (object);
ClutterInputDevice *device;
device = meta_input_device_native_new_virtual (
seat_impl, CLUTTER_POINTER_DEVICE,
CLUTTER_INPUT_MODE_LOGICAL);
seat_impl->pointer_x = INITIAL_POINTER_X;
seat_impl->pointer_y = INITIAL_POINTER_Y;
meta_input_device_native_set_coords_in_impl (META_INPUT_DEVICE_NATIVE (device),
seat_impl->pointer_x,
seat_impl->pointer_y);
seat_impl->core_pointer = device;
device = meta_input_device_native_new_virtual (
seat_impl, CLUTTER_KEYBOARD_DEVICE,
CLUTTER_INPUT_MODE_LOGICAL);
seat_impl->core_keyboard = device;
if (G_OBJECT_CLASS (meta_seat_impl_parent_class)->constructed)
G_OBJECT_CLASS (meta_seat_impl_parent_class)->constructed (object);
}
static void
meta_seat_impl_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
MetaSeatImpl *seat_impl = META_SEAT_IMPL (object);
switch (prop_id)
{
case PROP_SEAT:
seat_impl->seat_native = g_value_get_object (value);
break;
case PROP_SEAT_ID:
seat_impl->seat_id = g_value_dup_string (value);
break;
case PROP_FLAGS:
seat_impl->flags = g_value_get_flags (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
meta_seat_impl_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
MetaSeatImpl *seat_impl = META_SEAT_IMPL (object);
switch (prop_id)
{
case PROP_SEAT:
g_value_set_object (value, seat_impl->seat_native);
break;
case PROP_SEAT_ID:
g_value_set_string (value, seat_impl->seat_id);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static gboolean
destroy_in_impl (GTask *task)
{
MetaSeatImpl *seat_impl = g_task_get_source_object (task);
MetaSeatImplPrivate *priv = meta_seat_impl_get_instance_private (seat_impl);
gboolean numlock_active;
g_slist_foreach (seat_impl->devices,
(GFunc) meta_input_device_native_detach_libinput_in_impl,
NULL);
g_slist_free_full (seat_impl->devices, g_object_unref);
seat_impl->devices = NULL;
g_clear_pointer (&seat_impl->libinput, libinput_unref);
g_clear_pointer (&seat_impl->tools, g_hash_table_unref);
g_clear_pointer (&seat_impl->touch_states, g_hash_table_destroy);
g_clear_pointer (&seat_impl->event_source, meta_event_source_free);
numlock_active =
xkb_state_mod_name_is_active (seat_impl->xkb, XKB_MOD_NAME_NUM,
XKB_STATE_MODS_LATCHED |
XKB_STATE_MODS_LOCKED);
meta_input_settings_maybe_save_numlock_state (seat_impl->input_settings,
numlock_active);
g_clear_pointer (&seat_impl->xkb, xkb_state_unref);
meta_seat_impl_clear_repeat_source (seat_impl);
g_clear_pointer (&priv->device_files, g_hash_table_destroy);
g_main_loop_quit (seat_impl->input_loop);
g_task_return_boolean (task, TRUE);
return G_SOURCE_REMOVE;
}
void
meta_seat_impl_destroy (MetaSeatImpl *seat_impl)
{
if (seat_impl->libinput)
{
GTask *task;
task = g_task_new (seat_impl, NULL, NULL, NULL);
meta_seat_impl_run_input_task (seat_impl, task,
(GSourceFunc) destroy_in_impl);
g_object_unref (task);
g_thread_join (seat_impl->input_thread);
g_assert (!seat_impl->libinput);
}
g_object_unref (seat_impl);
}
static void
meta_seat_impl_finalize (GObject *object)
{
MetaSeatImpl *seat_impl = META_SEAT_IMPL (object);
g_assert (!seat_impl->libinput);
g_assert (!seat_impl->tools);
g_assert (!seat_impl->event_source);
g_free (seat_impl->seat_id);
g_rw_lock_clear (&seat_impl->state_lock);
G_OBJECT_CLASS (meta_seat_impl_parent_class)->finalize (object);
}
ClutterInputDevice *
meta_seat_impl_get_pointer (MetaSeatImpl *seat_impl)
{
return seat_impl->core_pointer;
}
ClutterInputDevice *
meta_seat_impl_get_keyboard (MetaSeatImpl *seat_impl)
{
return seat_impl->core_keyboard;
}
GSList *
meta_seat_impl_get_devices_in_impl (MetaSeatImpl *seat_impl)
{
return g_slist_copy_deep (seat_impl->devices,
(GCopyFunc) g_object_ref,
NULL);
}
MetaKeymapNative *
meta_seat_impl_get_keymap (MetaSeatImpl *seat_impl)
{
return g_object_ref (seat_impl->keymap);
}
static gboolean
warp_pointer_in_impl (GTask *task)
{
MetaSeatImpl *seat_impl = g_task_get_source_object (task);
graphene_point_t *point;
point = g_task_get_task_data (task);
notify_absolute_motion_in_impl (seat_impl->core_pointer, 0,
point->x, point->y, NULL);
g_task_return_boolean (task, TRUE);
return G_SOURCE_REMOVE;
}
void
meta_seat_impl_warp_pointer (MetaSeatImpl *seat_impl,
int x,
int y)
{
graphene_point_t *point;
GTask *task;
point = graphene_point_alloc ();
point->x = x;
point->y = y;
task = g_task_new (seat_impl, NULL, NULL, NULL);
g_task_set_task_data (task, point, (GDestroyNotify) graphene_point_free);
meta_seat_impl_run_input_task (seat_impl, task,
(GSourceFunc) warp_pointer_in_impl);
g_object_unref (task);
}
gboolean
meta_seat_impl_query_state (MetaSeatImpl *seat_impl,
ClutterInputDevice *device,
ClutterEventSequence *sequence,
graphene_point_t *coords,
ClutterModifierType *modifiers)
{
MetaInputDeviceNative *device_native = META_INPUT_DEVICE_NATIVE (device);
gboolean retval = FALSE;
ClutterModifierType mods = 0;
g_rw_lock_reader_lock (&seat_impl->state_lock);
if (sequence)
{
MetaTouchState *touch_state;
int slot;
slot = clutter_event_sequence_get_slot (sequence);
touch_state = meta_seat_impl_lookup_touch_state_in_impl (seat_impl, slot);
if (!touch_state)
goto out;
if (coords)
{
coords->x = touch_state->coords.x;
coords->y = touch_state->coords.y;
}
if (seat_impl->xkb)
mods = meta_xkb_translate_modifiers (seat_impl->xkb, 0);
retval = TRUE;
}
else
{
if (coords)
{
coords->x = device_native->pointer_x;
coords->y = device_native->pointer_y;
}
if (seat_impl->xkb)
{
mods = meta_xkb_translate_modifiers (seat_impl->xkb,
seat_impl->button_state);
}
retval = TRUE;
}
if (modifiers)
*modifiers = mods;
out:
g_rw_lock_reader_unlock (&seat_impl->state_lock);
return retval;
}
static void
meta_seat_impl_initable_iface_init (GInitableIface *iface)
{
iface->init = meta_seat_impl_initable_init;
}
static void
meta_seat_impl_class_init (MetaSeatImplClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->constructed = meta_seat_impl_constructed;
object_class->set_property = meta_seat_impl_set_property;
object_class->get_property = meta_seat_impl_get_property;
object_class->finalize = meta_seat_impl_finalize;
props[PROP_SEAT] =
g_param_spec_object ("seat",
"Seat",
"Seat",
META_TYPE_SEAT_NATIVE,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS);
props[PROP_SEAT_ID] =
g_param_spec_string ("seat-id",
"Seat ID",
"Seat ID",
NULL,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY);
props[PROP_FLAGS] =
g_param_spec_flags ("flags",
"Flags",
"Flags",
META_TYPE_SEAT_NATIVE_FLAG,
META_SEAT_NATIVE_FLAG_NONE,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY);
signals[KBD_A11Y_FLAGS_CHANGED] =
g_signal_new ("kbd-a11y-flags-changed",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST,
0, NULL, NULL, NULL,
G_TYPE_NONE, 2,
G_TYPE_UINT, G_TYPE_UINT);
signals[KBD_A11Y_MODS_STATE_CHANGED] =
g_signal_new ("kbd-a11y-mods-state-changed",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST,
0, NULL, NULL, NULL,
G_TYPE_NONE, 2,
G_TYPE_UINT, G_TYPE_UINT);
signals[TOUCH_MODE] =
g_signal_new ("touch-mode",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST,
0, NULL, NULL,
g_cclosure_marshal_VOID__BOOLEAN,
G_TYPE_NONE, 1, G_TYPE_BOOLEAN);
signals[BELL] =
g_signal_new ("bell",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST,
0, NULL, NULL, NULL,
G_TYPE_NONE, 0);
signals[MODS_STATE_CHANGED] =
g_signal_new ("mods-state-changed",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST,
0, NULL, NULL, NULL,
G_TYPE_NONE, 0);
g_object_class_install_properties (object_class, N_PROPS, props);
}
static void
meta_seat_impl_init (MetaSeatImpl *seat_impl)
{
g_rw_lock_init (&seat_impl->state_lock);
seat_impl->repeat = TRUE;
seat_impl->repeat_delay = 250; /* ms */
seat_impl->repeat_interval = 33; /* ms */
g_mutex_init (&seat_impl->init_mutex);
g_cond_init (&seat_impl->init_cond);
seat_impl->barrier_manager = meta_barrier_manager_native_new ();
}
void
meta_seat_impl_update_xkb_state_in_impl (MetaSeatImpl *seat_impl)
{
xkb_mod_mask_t latched_mods = 0;
xkb_mod_mask_t locked_mods = 0;
struct xkb_keymap *xkb_keymap;
g_rw_lock_writer_lock (&seat_impl->state_lock);
xkb_keymap = meta_keymap_native_get_keyboard_map_in_impl (seat_impl->keymap);
if (seat_impl->xkb)
{
latched_mods = xkb_state_serialize_mods (seat_impl->xkb,
XKB_STATE_MODS_LATCHED);
locked_mods = xkb_state_serialize_mods (seat_impl->xkb,
XKB_STATE_MODS_LOCKED);
xkb_state_unref (seat_impl->xkb);
}
seat_impl->xkb = xkb_state_new (xkb_keymap);
xkb_state_update_mask (seat_impl->xkb,
0, /* depressed */
latched_mods,
locked_mods,
0, 0, seat_impl->layout_idx);
seat_impl->caps_lock_led =
xkb_keymap_led_get_index (xkb_keymap, XKB_LED_NAME_CAPS);
seat_impl->num_lock_led =
xkb_keymap_led_get_index (xkb_keymap, XKB_LED_NAME_NUM);
seat_impl->scroll_lock_led =
xkb_keymap_led_get_index (xkb_keymap, XKB_LED_NAME_SCROLL);
meta_seat_impl_sync_leds_in_impl (seat_impl);
meta_keymap_native_update_in_impl (seat_impl->keymap,
seat_impl,
seat_impl->xkb);
g_rw_lock_writer_unlock (&seat_impl->state_lock);
}
static gboolean
release_devices (GTask *task)
{
MetaSeatImpl *seat_impl = g_task_get_source_object (task);
if (seat_impl->released)
{
g_warning ("meta_seat_impl_release_devices() shouldn't be called "
"multiple times without a corresponding call to "
"meta_seat_impl_reclaim_devices() first");
}
else
{
libinput_suspend (seat_impl->libinput);
process_events (seat_impl);
seat_impl->released = TRUE;
}
g_task_return_boolean (task, TRUE);
return G_SOURCE_REMOVE;
}
/**
* meta_seat_impl_release_devices:
*
* Releases all the evdev devices that Clutter is currently managing. This api
* is typically used when switching away from the Clutter application when
* switching tty. The devices can be reclaimed later with a call to
* meta_seat_impl_reclaim_devices().
*
* This function should only be called after clutter has been initialized.
*/
void
meta_seat_impl_release_devices (MetaSeatImpl *seat_impl)
{
GTask *task;
g_return_if_fail (META_IS_SEAT_IMPL (seat_impl));
task = g_task_new (seat_impl, NULL, NULL, NULL);
meta_seat_impl_run_input_task (seat_impl, task,
(GSourceFunc) release_devices);
g_object_unref (task);
}
static gboolean
reclaim_devices (GTask *task)
{
MetaSeatImpl *seat_impl = g_task_get_source_object (task);
if (seat_impl->released)
{
libinput_resume (seat_impl->libinput);
meta_seat_impl_update_xkb_state_in_impl (seat_impl);
process_events (seat_impl);
seat_impl->released = FALSE;
}
else
{
g_warning ("Spurious call to meta_seat_impl_reclaim_devices() without "
"previous call to meta_seat_impl_release_devices");
}
g_task_return_boolean (task, TRUE);
return G_SOURCE_REMOVE;
}
/**
* meta_seat_impl_reclaim_devices:
*
* This causes Clutter to re-probe for evdev devices. This is must only be
* called after a corresponding call to meta_seat_impl_release_devices()
* was previously used to release all evdev devices. This API is typically
* used when a clutter application using evdev has regained focus due to
* switching ttys.
*
* This function should only be called after clutter has been initialized.
*/
void
meta_seat_impl_reclaim_devices (MetaSeatImpl *seat_impl)
{
GTask *task;
g_return_if_fail (META_IS_SEAT_IMPL (seat_impl));
task = g_task_new (seat_impl, NULL, NULL, NULL);
meta_seat_impl_run_input_task (seat_impl, task, (GSourceFunc) reclaim_devices);
g_object_unref (task);
}
static gboolean
set_keyboard_map (GTask *task)
{
MetaSeatImpl *seat_impl = g_task_get_source_object (task);
struct xkb_keymap *xkb_keymap = g_task_get_task_data (task);
MetaKeymapNative *keymap;
keymap = seat_impl->keymap;
meta_keymap_native_set_keyboard_map_in_impl (keymap, xkb_keymap);
meta_seat_impl_update_xkb_state_in_impl (seat_impl);
g_task_return_boolean (task, TRUE);
return G_SOURCE_REMOVE;
}
/**
* meta_seat_impl_set_keyboard_map: (skip)
* @seat_impl: the #ClutterSeat created by the evdev backend
* @keymap: the new keymap
*
* Instructs @evdev to use the speficied keyboard map. This will cause
* the backend to drop the state and create a new one with the new
* map. To avoid state being lost, callers should ensure that no key
* is pressed when calling this function.
*/
void
meta_seat_impl_set_keyboard_map (MetaSeatImpl *seat_impl,
struct xkb_keymap *xkb_keymap)
{
GTask *task;
g_return_if_fail (META_IS_SEAT_IMPL (seat_impl));
g_return_if_fail (xkb_keymap != NULL);
task = g_task_new (seat_impl, NULL, NULL, NULL);
g_task_set_task_data (task,
xkb_keymap_ref (xkb_keymap),
(GDestroyNotify) xkb_keymap_unref);
meta_seat_impl_run_input_task (seat_impl, task, (GSourceFunc) set_keyboard_map);
g_object_unref (task);
}
static gboolean
set_keyboard_layout_index (GTask *task)
{
MetaSeatImpl *seat_impl = g_task_get_source_object (task);
xkb_layout_index_t idx = GPOINTER_TO_UINT (g_task_get_task_data (task));
xkb_mod_mask_t depressed_mods;
xkb_mod_mask_t latched_mods;
xkb_mod_mask_t locked_mods;
struct xkb_state *state;
g_rw_lock_writer_lock (&seat_impl->state_lock);
state = seat_impl->xkb;
depressed_mods = xkb_state_serialize_mods (state, XKB_STATE_MODS_DEPRESSED);
latched_mods = xkb_state_serialize_mods (state, XKB_STATE_MODS_LATCHED);
locked_mods = xkb_state_serialize_mods (state, XKB_STATE_MODS_LOCKED);
xkb_state_update_mask (state, depressed_mods, latched_mods, locked_mods, 0, 0, idx);
meta_keymap_native_update_in_impl (seat_impl->keymap,
seat_impl,
seat_impl->xkb);
seat_impl->layout_idx = idx;
g_rw_lock_writer_unlock (&seat_impl->state_lock);
g_task_return_boolean (task, TRUE);
return G_SOURCE_REMOVE;
}
/**
* meta_seat_impl_set_keyboard_layout_index: (skip)
* @seat_impl: the #ClutterSeat created by the evdev backend
* @idx: the xkb layout index to set
*
* Sets the xkb layout index on the backend's #xkb_state .
*/
void
meta_seat_impl_set_keyboard_layout_index (MetaSeatImpl *seat_impl,
xkb_layout_index_t idx)
{
GTask *task;
g_return_if_fail (META_IS_SEAT_IMPL (seat_impl));
task = g_task_new (seat_impl, NULL, NULL, NULL);
g_task_set_task_data (task, GUINT_TO_POINTER (idx), NULL);
meta_seat_impl_run_input_task (seat_impl, task,
(GSourceFunc) set_keyboard_layout_index);
g_object_unref (task);
}
/**
* meta_seat_impl_set_keyboard_repeat_in_impl:
* @seat_impl: the #ClutterSeat created by the evdev backend
* @repeat: whether to enable or disable keyboard repeat events
* @delay: the delay in ms between the hardware key press event and
* the first synthetic event
* @interval: the period in ms between consecutive synthetic key
* press events
*
* Enables or disables sythetic key press events, allowing for initial
* delay and interval period to be specified.
*/
void
meta_seat_impl_set_keyboard_repeat_in_impl (MetaSeatImpl *seat_impl,
gboolean repeat,
uint32_t delay,
uint32_t interval)
{
g_return_if_fail (META_IS_SEAT_IMPL (seat_impl));
seat_impl->repeat = repeat;
seat_impl->repeat_delay = delay;
seat_impl->repeat_interval = interval;
}
struct xkb_state *
meta_seat_impl_get_xkb_state_in_impl (MetaSeatImpl *seat_impl)
{
return seat_impl->xkb;
}
MetaBarrierManagerNative *
meta_seat_impl_get_barrier_manager (MetaSeatImpl *seat_impl)
{
return seat_impl->barrier_manager;
}
static gboolean
set_pointer_constraint (GTask *task)
{
MetaSeatImpl *seat_impl = g_task_get_source_object (task);
MetaPointerConstraintImpl *constraint_impl = g_task_get_task_data (task);
if (!g_set_object (&seat_impl->pointer_constraint, constraint_impl))
return G_SOURCE_REMOVE;
if (constraint_impl)
{
meta_pointer_constraint_impl_ensure_constrained (constraint_impl,
seat_impl->core_pointer);
}
g_task_return_boolean (task, TRUE);
return G_SOURCE_REMOVE;
}
void
meta_seat_impl_set_pointer_constraint (MetaSeatImpl *seat_impl,
MetaPointerConstraintImpl *constraint_impl)
{
GTask *task;
g_return_if_fail (META_IS_SEAT_IMPL (seat_impl));
task = g_task_new (seat_impl, NULL, NULL, NULL);
if (constraint_impl)
g_task_set_task_data (task, g_object_ref (constraint_impl), g_object_unref);
meta_seat_impl_run_input_task (seat_impl, task,
(GSourceFunc) set_pointer_constraint);
g_object_unref (task);
}
static gboolean
set_viewports (GTask *task)
{
MetaSeatImpl *seat_impl = g_task_get_source_object (task);
MetaViewportInfo *viewports = g_task_get_task_data (task);
g_set_object (&seat_impl->viewports, viewports);
g_task_return_boolean (task, TRUE);
return G_SOURCE_REMOVE;
}
void
meta_seat_impl_set_viewports (MetaSeatImpl *seat_impl,
MetaViewportInfo *viewports)
{
GTask *task;
g_return_if_fail (META_IS_SEAT_IMPL (seat_impl));
task = g_task_new (seat_impl, NULL, NULL, NULL);
g_task_set_task_data (task, g_object_ref (viewports), g_object_unref);
meta_seat_impl_run_input_task (seat_impl, task,
(GSourceFunc) set_viewports);
g_object_unref (task);
}
MetaSeatImpl *
meta_seat_impl_new (MetaSeatNative *seat_native,
const char *seat_id,
MetaSeatNativeFlag flags)
{
return g_initable_new (META_TYPE_SEAT_IMPL,
NULL, NULL,
"seat", seat_native,
"seat-id", seat_id,
"flags", flags,
NULL);
}
void
meta_seat_impl_notify_kbd_a11y_flags_changed_in_impl (MetaSeatImpl *seat_impl,
MetaKeyboardA11yFlags new_flags,
MetaKeyboardA11yFlags what_changed)
{
MetaInputSettings *input_settings;
GValue values[] = { G_VALUE_INIT, G_VALUE_INIT };
input_settings = seat_impl->input_settings;
meta_input_settings_notify_kbd_a11y_change (input_settings,
new_flags, what_changed);
g_value_init (&values[0], G_TYPE_UINT);
g_value_set_uint (&values[0], new_flags);
g_value_init (&values[1], G_TYPE_UINT);
g_value_set_uint (&values[1], what_changed);
emit_signal (seat_impl, signals[KBD_A11Y_FLAGS_CHANGED],
values, G_N_ELEMENTS (values));
}
void
meta_seat_impl_notify_kbd_a11y_mods_state_changed_in_impl (MetaSeatImpl *seat_impl,
xkb_mod_mask_t new_latched_mods,
xkb_mod_mask_t new_locked_mods)
{
GValue values[] = { G_VALUE_INIT, G_VALUE_INIT };
g_value_init (&values[0], G_TYPE_UINT);
g_value_set_uint (&values[0], new_latched_mods);
g_value_init (&values[1], G_TYPE_UINT);
g_value_set_uint (&values[1], new_locked_mods);
emit_signal (seat_impl, signals[KBD_A11Y_MODS_STATE_CHANGED],
values, G_N_ELEMENTS (values));
}
void
meta_seat_impl_notify_bell_in_impl (MetaSeatImpl *seat_impl)
{
emit_signal (seat_impl, signals[BELL], NULL, 0);
}
MetaInputSettings *
meta_seat_impl_get_input_settings (MetaSeatImpl *seat_impl)
{
return seat_impl->input_settings;
}
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