xref: /openbmc/qemu/replay/replay-input.c (revision 15eafc2e)
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-common.h"
13 #include "sysemu/replay.h"
14 #include "replay-internal.h"
15 #include "qemu/notify.h"
16 #include "ui/input.h"
17 #include "qapi/qmp-output-visitor.h"
18 #include "qapi/qmp-input-visitor.h"
19 #include "qapi-visit.h"
20 
21 static InputEvent *qapi_clone_InputEvent(InputEvent *src)
22 {
23     QmpOutputVisitor *qov;
24     QmpInputVisitor *qiv;
25     Visitor *ov, *iv;
26     QObject *obj;
27     InputEvent *dst = NULL;
28 
29     qov = qmp_output_visitor_new();
30     ov = qmp_output_get_visitor(qov);
31     visit_type_InputEvent(ov, &src, NULL, &error_abort);
32     obj = qmp_output_get_qobject(qov);
33     qmp_output_visitor_cleanup(qov);
34     if (!obj) {
35         return NULL;
36     }
37 
38     qiv = qmp_input_visitor_new(obj);
39     iv = qmp_input_get_visitor(qiv);
40     visit_type_InputEvent(iv, &dst, NULL, &error_abort);
41     qmp_input_visitor_cleanup(qiv);
42     qobject_decref(obj);
43 
44     return dst;
45 }
46 
47 void replay_save_input_event(InputEvent *evt)
48 {
49     replay_put_dword(evt->type);
50 
51     switch (evt->type) {
52     case INPUT_EVENT_KIND_KEY:
53         replay_put_dword(evt->u.key->key->type);
54 
55         switch (evt->u.key->key->type) {
56         case KEY_VALUE_KIND_NUMBER:
57             replay_put_qword(evt->u.key->key->u.number);
58             replay_put_byte(evt->u.key->down);
59             break;
60         case KEY_VALUE_KIND_QCODE:
61             replay_put_dword(evt->u.key->key->u.qcode);
62             replay_put_byte(evt->u.key->down);
63             break;
64         case KEY_VALUE_KIND__MAX:
65             /* keep gcc happy */
66             break;
67         }
68         break;
69     case INPUT_EVENT_KIND_BTN:
70         replay_put_dword(evt->u.btn->button);
71         replay_put_byte(evt->u.btn->down);
72         break;
73     case INPUT_EVENT_KIND_REL:
74         replay_put_dword(evt->u.rel->axis);
75         replay_put_qword(evt->u.rel->value);
76         break;
77     case INPUT_EVENT_KIND_ABS:
78         replay_put_dword(evt->u.abs->axis);
79         replay_put_qword(evt->u.abs->value);
80         break;
81     case INPUT_EVENT_KIND__MAX:
82         /* keep gcc happy */
83         break;
84     }
85 }
86 
87 InputEvent *replay_read_input_event(void)
88 {
89     InputEvent evt;
90     KeyValue keyValue;
91     InputKeyEvent key;
92     key.key = &keyValue;
93     InputBtnEvent btn;
94     InputMoveEvent rel;
95     InputMoveEvent abs;
96 
97     evt.type = replay_get_dword();
98     switch (evt.type) {
99     case INPUT_EVENT_KIND_KEY:
100         evt.u.key = &key;
101         evt.u.key->key->type = replay_get_dword();
102 
103         switch (evt.u.key->key->type) {
104         case KEY_VALUE_KIND_NUMBER:
105             evt.u.key->key->u.number = replay_get_qword();
106             evt.u.key->down = replay_get_byte();
107             break;
108         case KEY_VALUE_KIND_QCODE:
109             evt.u.key->key->u.qcode = (QKeyCode)replay_get_dword();
110             evt.u.key->down = replay_get_byte();
111             break;
112         case KEY_VALUE_KIND__MAX:
113             /* keep gcc happy */
114             break;
115         }
116         break;
117     case INPUT_EVENT_KIND_BTN:
118         evt.u.btn = &btn;
119         evt.u.btn->button = (InputButton)replay_get_dword();
120         evt.u.btn->down = replay_get_byte();
121         break;
122     case INPUT_EVENT_KIND_REL:
123         evt.u.rel = &rel;
124         evt.u.rel->axis = (InputAxis)replay_get_dword();
125         evt.u.rel->value = replay_get_qword();
126         break;
127     case INPUT_EVENT_KIND_ABS:
128         evt.u.abs = &abs;
129         evt.u.abs->axis = (InputAxis)replay_get_dword();
130         evt.u.abs->value = replay_get_qword();
131         break;
132     case INPUT_EVENT_KIND__MAX:
133         /* keep gcc happy */
134         break;
135     }
136 
137     return qapi_clone_InputEvent(&evt);
138 }
139 
140 void replay_input_event(QemuConsole *src, InputEvent *evt)
141 {
142     if (replay_mode == REPLAY_MODE_PLAY) {
143         /* Nothing */
144     } else if (replay_mode == REPLAY_MODE_RECORD) {
145         replay_add_input_event(qapi_clone_InputEvent(evt));
146     } else {
147         qemu_input_event_send_impl(src, evt);
148     }
149 }
150 
151 void replay_input_sync_event(void)
152 {
153     if (replay_mode == REPLAY_MODE_PLAY) {
154         /* Nothing */
155     } else if (replay_mode == REPLAY_MODE_RECORD) {
156         replay_add_input_sync_event();
157     } else {
158         qemu_input_event_sync_impl();
159     }
160 }
161