qemu/replay/replay-input.c

   1 /*
   2  * replay-input.c
   3  *
   4  * Copyright (c) 2010-2015 Institute for System Programming
   5  *                         of the Russian Academy of Sciences.
   6  *
   7  * This work is licensed under the terms of the GNU GPL, version 2 or later.
   8  * See the COPYING file in the top-level directory.
   9  *
  10  */
  11
  12 #include "qemu/osdep.h"
  13 #include "qapi/error.h"
  14 #include "qemu-common.h"
  15 #include "sysemu/replay.h"
  16 #include "replay-internal.h"
  17 #include "qemu/notify.h"
  18 #include "ui/input.h"
  19 #include "qapi/qmp-output-visitor.h"
  20 #include "qapi/qmp-input-visitor.h"
  21 #include "qapi-visit.h"
  22
  23 static InputEvent *qapi_clone_InputEvent(InputEvent *src)
  24 {
  25     QmpOutputVisitor *qov;
  26     QmpInputVisitor *qiv;
  27     Visitor *ov, *iv;
  28     QObject *obj;
  29     InputEvent *dst = NULL;
  30
  31     qov = qmp_output_visitor_new();
  32     ov = qmp_output_get_visitor(qov);
  33     visit_type_InputEvent(ov, NULL, &src, &error_abort);
  34     obj = qmp_output_get_qobject(qov);
  35     qmp_output_visitor_cleanup(qov);
  36     if (!obj) {
  37         return NULL;
  38     }
  39
  40     qiv = qmp_input_visitor_new(obj);
  41     iv = qmp_input_get_visitor(qiv);
  42     visit_type_InputEvent(iv, NULL, &dst, &error_abort);
  43     qmp_input_visitor_cleanup(qiv);
  44     qobject_decref(obj);
  45
  46     return dst;
  47 }
  48
  49 void replay_save_input_event(InputEvent *evt)
  50 {
  51     InputKeyEvent *key;
  52     InputBtnEvent *btn;
  53     InputMoveEvent *move;
  54     replay_put_dword(evt->type);
  55
  56     switch (evt->type) {
  57     case INPUT_EVENT_KIND_KEY:
  58         key = evt->u.key.data;
  59         replay_put_dword(key->key->type);
  60
  61         switch (key->key->type) {
  62         case KEY_VALUE_KIND_NUMBER:
  63             replay_put_qword(key->key->u.number.data);
  64             replay_put_byte(key->down);
  65             break;
  66         case KEY_VALUE_KIND_QCODE:
  67             replay_put_dword(key->key->u.qcode.data);
  68             replay_put_byte(key->down);
  69             break;
  70         case KEY_VALUE_KIND__MAX:
  71             /* keep gcc happy */
  72             break;
  73         }
  74         break;
  75     case INPUT_EVENT_KIND_BTN:
  76         btn = evt->u.btn.data;
  77         replay_put_dword(btn->button);
  78         replay_put_byte(btn->down);
  79         break;
  80     case INPUT_EVENT_KIND_REL:
  81         move = evt->u.rel.data;
  82         replay_put_dword(move->axis);
  83         replay_put_qword(move->value);
  84         break;
  85     case INPUT_EVENT_KIND_ABS:
  86         move = evt->u.abs.data;
  87         replay_put_dword(move->axis);
  88         replay_put_qword(move->value);
  89         break;
  90     case INPUT_EVENT_KIND__MAX:
  91         /* keep gcc happy */
  92         break;
  93     }
  94 }
  95
  96 InputEvent *replay_read_input_event(void)
  97 {
  98     InputEvent evt;
  99     KeyValue keyValue;
 100     InputKeyEvent key;
 101     key.key = &keyValue;
 102     InputBtnEvent btn;
 103     InputMoveEvent rel;
 104     InputMoveEvent abs;
 105
 106     evt.type = replay_get_dword();
 107     switch (evt.type) {
 108     case INPUT_EVENT_KIND_KEY:
 109         evt.u.key.data = &key;
 110         evt.u.key.data->key->type = replay_get_dword();
 111
 112         switch (evt.u.key.data->key->type) {
 113         case KEY_VALUE_KIND_NUMBER:
 114             evt.u.key.data->key->u.number.data = replay_get_qword();
 115             evt.u.key.data->down = replay_get_byte();
 116             break;
 117         case KEY_VALUE_KIND_QCODE:
 118             evt.u.key.data->key->u.qcode.data = (QKeyCode)replay_get_dword();
 119             evt.u.key.data->down = replay_get_byte();
 120             break;
 121         case KEY_VALUE_KIND__MAX:
 122             /* keep gcc happy */
 123             break;
 124         }
 125         break;
 126     case INPUT_EVENT_KIND_BTN:
 127         evt.u.btn.data = &btn;
 128         evt.u.btn.data->button = (InputButton)replay_get_dword();
 129         evt.u.btn.data->down = replay_get_byte();
 130         break;
 131     case INPUT_EVENT_KIND_REL:
 132         evt.u.rel.data = &rel;
 133         evt.u.rel.data->axis = (InputAxis)replay_get_dword();
 134         evt.u.rel.data->value = replay_get_qword();
 135         break;
 136     case INPUT_EVENT_KIND_ABS:
 137         evt.u.abs.data = &abs;
 138         evt.u.abs.data->axis = (InputAxis)replay_get_dword();
 139         evt.u.abs.data->value = replay_get_qword();
 140         break;
 141     case INPUT_EVENT_KIND__MAX:
 142         /* keep gcc happy */
 143         break;
 144     }
 145
 146     return qapi_clone_InputEvent(&evt);
 147 }
 148
 149 void replay_input_event(QemuConsole *src, InputEvent *evt)
 150 {
 151     if (replay_mode == REPLAY_MODE_PLAY) {
 152         /* Nothing */
 153     } else if (replay_mode == REPLAY_MODE_RECORD) {
 154         replay_add_input_event(qapi_clone_InputEvent(evt));
 155     } else {
 156         qemu_input_event_send_impl(src, evt);
 157     }
 158 }
 159
 160 void replay_input_sync_event(void)
 161 {
 162     if (replay_mode == REPLAY_MODE_PLAY) {
 163         /* Nothing */
 164     } else if (replay_mode == REPLAY_MODE_RECORD) {
 165         replay_add_input_sync_event();
 166     } else {
 167         qemu_input_event_sync_impl();
 168     }
 169 }