/*
* 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>
*/
#ifndef META_SEAT_NATIVE_H
#define META_SEAT_NATIVE_H
#include <libinput.h>
#include <linux/input-event-codes.h>
#include "backends/native/meta-xkb-utils.h"
#include "clutter/clutter.h"
typedef struct _MetaTouchState MetaTouchState;
typedef struct _MetaSeatNative MetaSeatNative;
typedef struct _MetaEventSource MetaEventSource;
/**
* MetaPointerConstrainCallback:
* @device: the core pointer device
* @time: the event time in milliseconds
* @x: (inout): the new X coordinate
* @y: (inout): the new Y coordinate
* @user_data: user data passed to this function
*
* This callback will be called for all pointer motion events, and should
* update (@x, @y) to constrain the pointer position appropriately.
* The subsequent motion event will use the updated values as the new coordinates.
* Note that the coordinates are not clamped to the stage size, and the callback
* must make sure that this happens before it returns.
* Also note that the event will be emitted even if the pointer is constrained
* to be in the same position.
*/
typedef void (* MetaPointerConstrainCallback) (ClutterInputDevice *device,
uint32_t time,
float prev_x,
float prev_y,
float *x,
float *y,
gpointer user_data);
typedef void (* MetaRelativeMotionFilter) (ClutterInputDevice *device,
float x,
float y,
float *dx,
float *dy,
gpointer user_data);
struct _MetaTouchState
{
MetaSeatNative *seat;
int device_slot;
int seat_slot;
graphene_point_t coords;
};
struct _MetaSeatNative
{
ClutterSeat parent_instance;
char *seat_id;
MetaEventSource *event_source;
struct libinput *libinput;
struct libinput_seat *libinput_seat;
GSList *devices;
ClutterInputDevice *core_pointer;
ClutterInputDevice *core_keyboard;
MetaTouchState **touch_states;
int n_alloc_touch_states;
struct xkb_state *xkb;
xkb_led_index_t caps_lock_led;
xkb_led_index_t num_lock_led;
xkb_led_index_t scroll_lock_led;
xkb_layout_index_t layout_idx;
uint32_t button_state;
int button_count[KEY_CNT];
ClutterStage *stage;
ClutterStageManager *stage_manager;
gulong stage_added_handler;
gulong stage_removed_handler;
int device_id_next;
GList *free_device_ids;
MetaPointerConstrainCallback constrain_callback;
gpointer constrain_data;
GDestroyNotify constrain_data_notify;
MetaRelativeMotionFilter relative_motion_filter;
gpointer relative_motion_filter_user_data;
GSList *event_filters;
/* keyboard repeat */
gboolean repeat;
uint32_t repeat_delay;
uint32_t repeat_interval;
uint32_t repeat_key;
uint32_t repeat_count;
uint32_t repeat_timer;
ClutterInputDevice *repeat_device;
float pointer_x;
float pointer_y;
/* Emulation of discrete scroll events out of smooth ones */
float accum_scroll_dx;
float accum_scroll_dy;
gboolean released;
};
#define META_TYPE_SEAT_NATIVE meta_seat_native_get_type ()
G_DECLARE_FINAL_TYPE (MetaSeatNative, meta_seat_native,
META, SEAT_NATIVE, ClutterSeat)
static inline uint64_t
us (uint64_t us)
{
return us;
}
static inline uint64_t
ms2us (uint64_t ms)
{
return us (ms * 1000);
}
static inline uint32_t
us2ms (uint64_t us)
{
return (uint32_t) (us / 1000);
}
void meta_seat_native_notify_key (MetaSeatNative *seat,
ClutterInputDevice *device,
uint64_t time_us,
uint32_t key,
uint32_t state,
gboolean update_keys);
void meta_seat_native_notify_relative_motion (MetaSeatNative *seat_evdev,
ClutterInputDevice *input_device,
uint64_t time_us,
float dx,
float dy,
float dx_unaccel,
float dy_unaccel);
void meta_seat_native_notify_absolute_motion (MetaSeatNative *seat_evdev,
ClutterInputDevice *input_device,
uint64_t time_us,
float x,
float y,
double *axes);
void meta_seat_native_notify_button (MetaSeatNative *seat,
ClutterInputDevice *input_device,
uint64_t time_us,
uint32_t button,
uint32_t state);
void meta_seat_native_notify_scroll_continuous (MetaSeatNative *seat,
ClutterInputDevice *input_device,
uint64_t time_us,
double dx,
double dy,
ClutterScrollSource source,
ClutterScrollFinishFlags flags);
void meta_seat_native_notify_discrete_scroll (MetaSeatNative *seat,
ClutterInputDevice *input_device,
uint64_t time_us,
double discrete_dx,
double discrete_dy,
ClutterScrollSource source);
void meta_seat_native_notify_touch_event (MetaSeatNative *seat,
ClutterInputDevice *input_device,
ClutterEventType evtype,
uint64_t time_us,
int slot,
double x,
double y);
void meta_seat_native_set_libinput_seat (MetaSeatNative *seat,
struct libinput_seat *libinput_seat);
void meta_seat_native_sync_leds (MetaSeatNative *seat);
ClutterInputDevice * meta_seat_native_get_device (MetaSeatNative *seat,
int id);
MetaTouchState * meta_seat_native_acquire_touch_state (MetaSeatNative *seat,
int device_slot);
void meta_seat_native_release_touch_state (MetaSeatNative *seat,
MetaTouchState *touch_state);
void meta_seat_native_set_stage (MetaSeatNative *seat,
ClutterStage *stage);
ClutterStage * meta_seat_native_get_stage (MetaSeatNative *seat);
void meta_seat_native_clear_repeat_timer (MetaSeatNative *seat);
gint meta_seat_native_acquire_device_id (MetaSeatNative *seat);
void meta_seat_native_release_device_id (MetaSeatNative *seat,
ClutterInputDevice *device);
void meta_seat_native_update_xkb_state (MetaSeatNative *seat);
void meta_seat_native_constrain_pointer (MetaSeatNative *seat,
ClutterInputDevice *core_pointer,
uint64_t time_us,
float x,
float y,
float *new_x,
float *new_y);
void meta_seat_native_filter_relative_motion (MetaSeatNative *seat,
ClutterInputDevice *device,
float x,
float y,
float *dx,
float *dy);
void meta_seat_native_dispatch (MetaSeatNative *seat);
/**
* MetaOpenDeviceCallback:
* @path: the device path
* @flags: flags to be passed to open
*
* This callback will be called when Clutter needs to access an input
* device. It should return an open file descriptor for the file at @path,
* or -1 if opening failed.
*/
typedef int (* MetaOpenDeviceCallback) (const char *path,
int flags,
gpointer user_data,
GError **error);
typedef void (* MetaCloseDeviceCallback) (int fd,
gpointer user_data);
void meta_seat_native_set_device_callbacks (MetaOpenDeviceCallback open_callback,
MetaCloseDeviceCallback close_callback,
gpointer user_data);
void meta_seat_native_release_devices (MetaSeatNative *seat);
void meta_seat_native_reclaim_devices (MetaSeatNative *seat);
void meta_seat_native_set_pointer_constrain_callback (MetaSeatNative *seat,
MetaPointerConstrainCallback callback,
gpointer user_data,
GDestroyNotify user_data_notify);
void meta_seat_native_set_relative_motion_filter (MetaSeatNative *seat,
MetaRelativeMotionFilter filter,
gpointer user_data);
typedef gboolean (* MetaEvdevFilterFunc) (struct libinput_event *event,
gpointer data);
void meta_seat_native_add_filter (MetaSeatNative *seat,
MetaEvdevFilterFunc func,
gpointer data,
GDestroyNotify destroy_notify);
void meta_seat_native_remove_filter (MetaSeatNative *seat,
MetaEvdevFilterFunc func,
gpointer data);
void meta_seat_native_warp_pointer (ClutterInputDevice *pointer_device,
uint32_t time_,
int x,
int y);
#endif /* META_SEAT_NATIVE_H */