src/kmscon_seat.h

   1 /*
   2  * Seats
   3  *
   4  * Copyright (c) 2012 David Herrmann <dh.herrmann@googlemail.com>
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining
   7  * a copy of this software and associated documentation files
   8  * (the "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sublicense, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included
  15  * in all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  20  * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
  21  * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  22  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  23  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24  */
  25
  26 /*
  27  * Seats
  28  * A seat is a single session that is self-hosting and provides all the
  29  * interaction for a single logged-in user.
  30  */
  31
  32 #ifndef KMSCON_SEAT_H
  33 #define KMSCON_SEAT_H
  34
  35 #include <stdbool.h>
  36 #include <stdlib.h>
  37 #include "conf.h"
  38 #include "eloop.h"
  39 #include "uterm_input.h"
  40 #include "uterm_video.h"
  41 #include "uterm_vt.h"
  42
  43 struct kmscon_seat;
  44 struct kmscon_session;
  45
  46 enum kmscon_seat_event {
  47         KMSCON_SEAT_WAKE_UP,
  48         KMSCON_SEAT_SLEEP,
  49         KMSCON_SEAT_BACKGROUND,
  50         KMSCON_SEAT_FOREGROUND,
  51         KMSCON_SEAT_HUP,
  52 };
  53
  54 typedef int (*kmscon_seat_cb_t) (struct kmscon_seat *seat,
  55                                  unsigned int event,
  56                                  void *data);
  57
  58 enum kmscon_session_event_type {
  59         KMSCON_SESSION_DISPLAY_NEW,
  60         KMSCON_SESSION_DISPLAY_GONE,
  61         KMSCON_SESSION_ACTIVATE,
  62         KMSCON_SESSION_DEACTIVATE,
  63         KMSCON_SESSION_UNREGISTER,
  64 };
  65
  66 struct kmscon_session_event {
  67         unsigned int type;
  68         struct uterm_display *disp;
  69 };
  70
  71 typedef int (*kmscon_session_cb_t) (struct kmscon_session *session,
  72                                     struct kmscon_session_event *event,
  73                                     void *data);
  74
  75 int kmscon_seat_new(struct kmscon_seat **out,
  76                     struct conf_ctx *main_conf,
  77                     struct ev_eloop *eloop,
  78                     struct uterm_vt_master *vtm,
  79                     unsigned int vt_types,
  80                     const char *seatname,
  81                     kmscon_seat_cb_t cb,
  82                     void *data);
  83 void kmscon_seat_free(struct kmscon_seat *seat);
  84 void kmscon_seat_startup(struct kmscon_seat *seat);
  85
  86 int kmscon_seat_add_display(struct kmscon_seat *seat,
  87                             struct uterm_display *disp);
  88 void kmscon_seat_remove_display(struct kmscon_seat *seat,
  89                                 struct uterm_display *disp);
  90 int kmscon_seat_add_input(struct kmscon_seat *seat, const char *node);
  91 void kmscon_seat_remove_input(struct kmscon_seat *seat, const char *node);
  92
  93 const char *kmscon_seat_get_name(struct kmscon_seat *seat);
  94 struct uterm_input *kmscon_seat_get_input(struct kmscon_seat *seat);
  95 struct ev_eloop *kmscon_seat_get_eloop(struct kmscon_seat *seat);
  96 struct conf_ctx *kmscon_seat_get_conf(struct kmscon_seat *seat);
  97
  98 void kmscon_seat_schedule(struct kmscon_seat *seat, unsigned int id);
  99
 100 int kmscon_seat_register_session(struct kmscon_seat *seat,
 101                                  struct kmscon_session **out,
 102                                  kmscon_session_cb_t cb,
 103                                  void *data);
 104
 105 void kmscon_session_ref(struct kmscon_session *sess);
 106 void kmscon_session_unref(struct kmscon_session *sess);
 107 void kmscon_session_unregister(struct kmscon_session *sess);
 108 bool kmscon_session_is_registered(struct kmscon_session *sess);
 109
 110 bool kmscon_session_is_active(struct kmscon_session *sess);
 111 int kmscon_session_set_foreground(struct kmscon_session *sess);
 112 int kmscon_session_set_background(struct kmscon_session *sess);
 113 void kmscon_session_schedule(struct kmscon_session *sess);
 114
 115 void kmscon_session_enable(struct kmscon_session *sess);
 116 void kmscon_session_disable(struct kmscon_session *sess);
 117 bool kmscon_session_is_enabled(struct kmscon_session *sess);
 118
 119 void kmscon_session_notify_deactivated(struct kmscon_session *sess);
 120
 121 #endif /* KMSCON_SEAT_H */