1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
|
// license:BSD-3-Clause
// copyright-holders:Olivier Galibert, R. Belmont, Brad Hughes
//============================================================
//
// input_common.h - Common code for all MAME input modules
//
// SDLMAME by Olivier Galibert and R. Belmont
//
//============================================================
#ifndef INPUT_COMMON_H_
#define INPUT_COMMON_H_
#include "input_module.h"
#include "inputdev.h"
#include <chrono>
#include <memory>
#include <mutex>
#include <queue>
#include <algorithm>
#include <functional>
//============================================================
// PARAMETERS
//============================================================
enum
{
POVDIR_LEFT = 0,
POVDIR_RIGHT,
POVDIR_UP,
POVDIR_DOWN
};
#define MAX_KEYS 256
#define MAX_AXES 32
#define MAX_BUTTONS 32
#define MAX_HATS 8
#define MAX_POV 4
/****************************************************************************
* DirectInput compatible keyboard scan codes
****************************************************************************/
#define KEY_UNKNOWN 0x00
#define KEY_ESCAPE 0x01
#define KEY_1 0x02
#define KEY_2 0x03
#define KEY_3 0x04
#define KEY_4 0x05
#define KEY_5 0x06
#define KEY_6 0x07
#define KEY_7 0x08
#define KEY_8 0x09
#define KEY_9 0x0A
#define KEY_0 0x0B
#define KEY_MINUS 0x0C /* - on main keyboard */
#define KEY_EQUALS 0x0D
#define KEY_BACK 0x0E /* backspace */
#define KEY_TAB 0x0F
#define KEY_Q 0x10
#define KEY_W 0x11
#define KEY_E 0x12
#define KEY_R 0x13
#define KEY_T 0x14
#define KEY_Y 0x15
#define KEY_U 0x16
#define KEY_I 0x17
#define KEY_O 0x18
#define KEY_P 0x19
#define KEY_LBRACKET 0x1A
#define KEY_RBRACKET 0x1B
#define KEY_RETURN 0x1C /* Enter on main keyboard */
#define KEY_LCONTROL 0x1D
#define KEY_A 0x1E
#define KEY_S 0x1F
#define KEY_D 0x20
#define KEY_F 0x21
#define KEY_G 0x22
#define KEY_H 0x23
#define KEY_J 0x24
#define KEY_K 0x25
#define KEY_L 0x26
#define KEY_SEMICOLON 0x27
#define KEY_APOSTROPHE 0x28
#define KEY_GRAVE 0x29 /* accent grave */
#define KEY_LSHIFT 0x2A
#define KEY_BACKSLASH 0x2B
#define KEY_Z 0x2C
#define KEY_X 0x2D
#define KEY_C 0x2E
#define KEY_V 0x2F
#define KEY_B 0x30
#define KEY_N 0x31
#define KEY_M 0x32
#define KEY_COMMA 0x33
#define KEY_PERIOD 0x34 /* . on main keyboard */
#define KEY_SLASH 0x35 /* / on main keyboard */
#define KEY_RSHIFT 0x36
#define KEY_MULTIPLY 0x37 /* * on numeric keypad */
#define KEY_LMENU 0x38 /* left Alt */
#define KEY_SPACE 0x39
#define KEY_CAPITAL 0x3A
#define KEY_F1 0x3B
#define KEY_F2 0x3C
#define KEY_F3 0x3D
#define KEY_F4 0x3E
#define KEY_F5 0x3F
#define KEY_F6 0x40
#define KEY_F7 0x41
#define KEY_F8 0x42
#define KEY_F9 0x43
#define KEY_F10 0x44
#define KEY_NUMLOCK 0x45
#define KEY_SCROLL 0x46 /* Scroll Lock */
#define KEY_NUMPAD7 0x47
#define KEY_NUMPAD8 0x48
#define KEY_NUMPAD9 0x49
#define KEY_SUBTRACT 0x4A /* - on numeric keypad */
#define KEY_NUMPAD4 0x4B
#define KEY_NUMPAD5 0x4C
#define KEY_NUMPAD6 0x4D
#define KEY_ADD 0x4E /* + on numeric keypad */
#define KEY_NUMPAD1 0x4F
#define KEY_NUMPAD2 0x50
#define KEY_NUMPAD3 0x51
#define KEY_NUMPAD0 0x52
#define KEY_DECIMAL 0x53 /* . on numeric keypad */
#define KEY_OEM_102 0x56 /* <> or \| on RT 102-key keyboard (Non-U.S.) */
#define KEY_F11 0x57
#define KEY_F12 0x58
#define KEY_F13 0x64 /* (NEC PC98) */
#define KEY_F14 0x65 /* (NEC PC98) */
#define KEY_F15 0x66 /* (NEC PC98) */
#define KEY_KANA 0x70 /* (Japanese keyboard) */
#define KEY_ABNT_C1 0x73 /* /? on Brazilian keyboard */
#define KEY_CONVERT 0x79 /* (Japanese keyboard) */
#define KEY_NOCONVERT 0x7B /* (Japanese keyboard) */
#define KEY_YEN 0x7D /* (Japanese keyboard) */
#define KEY_ABNT_C2 0x7E /* Numpad . on Brazilian keyboard */
#define KEY_NUMPADEQUALS 0x8D /* = on numeric keypad (NEC PC98) */
#define KEY_PREVTRACK 0x90 /* Previous Track (DIK_CIRCUMFLEX on Japanese keyboard) */
#define KEY_AT 0x91 /* (NEC PC98) */
#define KEY_COLON 0x92 /* (NEC PC98) */
#define KEY_UNDERLINE 0x93 /* (NEC PC98) */
#define KEY_KANJI 0x94 /* (Japanese keyboard) */
#define KEY_STOP 0x95 /* (NEC PC98) */
#define KEY_AX 0x96 /* (Japan AX) */
#define KEY_UNLABELED 0x97 /* (J3100) */
#define KEY_NEXTTRACK 0x99 /* Next Track */
#define KEY_NUMPADENTER 0x9C /* Enter on numeric keypad */
#define KEY_RCONTROL 0x9D
#define KEY_MUTE 0xA0 /* Mute */
#define KEY_CALCULATOR 0xA1 /* Calculator */
#define KEY_PLAYPAUSE 0xA2 /* Play / Pause */
#define KEY_MEDIASTOP 0xA4 /* Media Stop */
#define KEY_VOLUMEDOWN 0xAE /* Volume - */
#define KEY_VOLUMEUP 0xB0 /* Volume + */
#define KEY_WEBHOME 0xB2 /* Web home */
#define KEY_NUMPADCOMMA 0xB3 /* , on numeric keypad (NEC PC98) */
#define KEY_DIVIDE 0xB5 /* / on numeric keypad */
#define KEY_SYSRQ 0xB7
#define KEY_RMENU 0xB8 /* right Alt */
#define KEY_PAUSE 0xC5 /* Pause */
#define KEY_HOME 0xC7 /* Home on arrow keypad */
#define KEY_UP 0xC8 /* UpArrow on arrow keypad */
#define KEY_PRIOR 0xC9 /* PgUp on arrow keypad */
#define KEY_LEFT 0xCB /* LeftArrow on arrow keypad */
#define KEY_RIGHT 0xCD /* RightArrow on arrow keypad */
#define KEY_END 0xCF /* End on arrow keypad */
#define KEY_DOWN 0xD0 /* DownArrow on arrow keypad */
#define KEY_NEXT 0xD1 /* PgDn on arrow keypad */
#define KEY_INSERT 0xD2 /* Insert on arrow keypad */
#define KEY_DELETE 0xD3 /* Delete on arrow keypad */
#define KEY_LWIN 0xDB /* Left Windows key */
#define KEY_RWIN 0xDC /* Right Windows key */
#define KEY_APPS 0xDD /* AppMenu key */
#define KEY_POWER 0xDE /* System Power */
#define KEY_SLEEP 0xDF /* System Sleep */
#define KEY_WAKE 0xE3 /* System Wake */
#define KEY_WEBSEARCH 0xE5 /* Web Search */
#define KEY_WEBFAVORITES 0xE6 /* Web Favorites */
#define KEY_WEBREFRESH 0xE7 /* Web Refresh */
#define KEY_WEBSTOP 0xE8 /* Web Stop */
#define KEY_WEBFORWARD 0xE9 /* Web Forward */
#define KEY_WEBBACK 0xEA /* Web Back */
#define KEY_MYCOMPUTER 0xEB /* My Computer */
#define KEY_MAIL 0xEC /* Mail */
#define KEY_MEDIASELECT 0xED /* Media Select */
//============================================================
// device_info
//============================================================
class input_device_list;
class device_info
{
friend input_device_list;
private:
std::string m_name;
std::string m_id;
input_device * m_device;
running_machine & m_machine;
input_module & m_module;
input_device_class m_deviceclass;
public:
// Constructor
device_info(running_machine &machine, const char *name, const char *id, input_device_class deviceclass, input_module &module)
: m_name(name),
m_id(id),
m_device(nullptr),
m_machine(machine),
m_module(module),
m_deviceclass(deviceclass)
{
}
// Destructor
virtual ~device_info() {}
// Getters
running_machine & machine() const { return m_machine; }
const char * name() const { return m_name.c_str(); }
const char * id() const { return m_id.c_str(); }
input_device * device() const { return m_device; }
input_module & module() const { return m_module; }
input_device_class deviceclass() const { return m_deviceclass; }
// Poll and reset methods
virtual void poll() {};
virtual void reset() = 0;
};
//============================================================
// event_based_device
//============================================================
#define DEFAULT_EVENT_QUEUE_SIZE 20
template <class TEvent>
class event_based_device : public device_info
{
private:
std::queue<TEvent> m_event_queue;
protected:
std::mutex m_device_lock;
virtual void process_event(TEvent &ev) = 0;
public:
event_based_device(running_machine &machine, const char *name, const char *id, input_device_class deviceclass, input_module &module)
: device_info(machine, name, id, deviceclass, module)
{
}
void queue_events(const TEvent *events, int count)
{
std::lock_guard<std::mutex> scope_lock(m_device_lock);
for (int i = 0; i < count; i++)
m_event_queue.push(events[i]);
// If we've gone over the size, remove old events from the queue
while (m_event_queue.size() > DEFAULT_EVENT_QUEUE_SIZE)
m_event_queue.pop();
}
void virtual poll() override
{
std::lock_guard<std::mutex> scope_lock(m_device_lock);
// Process each event until the queue is empty
while (!m_event_queue.empty())
{
TEvent &next_event = m_event_queue.front();
process_event(next_event);
m_event_queue.pop();
}
}
};
//============================================================
// input_device_list class
//============================================================
class input_device_list
{
private:
std::vector<std::unique_ptr<device_info>> m_list;
public:
size_t size() const { return m_list.size(); }
auto begin() { return m_list.begin(); }
auto end() { return m_list.end(); }
void poll_devices()
{
for (auto &device: m_list)
device->poll();
}
void reset_devices()
{
for (auto &device: m_list)
device->reset();
}
void free_device(device_info* devinfo)
{
// find the device to remove
auto device_matches = [devinfo](std::unique_ptr<device_info> &device) { return devinfo == device.get(); };
m_list.erase(std::remove_if(std::begin(m_list), std::end(m_list), device_matches), m_list.end());
}
void for_each_device(std::function<void (device_info*)> action)
{
for (auto &device: m_list)
action(device.get());
}
void free_all_devices()
{
while (!m_list.empty())
m_list.pop_back();
}
template <typename TActual, typename... TArgs>
TActual* create_device(running_machine &machine, const char *name, const char *id, input_module &module, TArgs&&... args)
{
// allocate the device object
auto devinfo = std::make_unique<TActual>(machine, name, id, module, std::forward<TArgs>(args)...);
return add_device(machine, std::move(devinfo));
}
template <typename TActual>
TActual* add_device(running_machine &machine, std::unique_ptr<TActual> devinfo)
{
// Add the device to the machine
devinfo->m_device = machine.input().device_class(devinfo->deviceclass()).add_device(devinfo->name(), devinfo->id(), devinfo.get());
// append us to the list
m_list.push_back(std::move(devinfo));
return static_cast<TActual*>(m_list.back().get());
}
};
// keyboard translation table
struct key_trans_entry {
input_item_id mame_key;
#if defined(OSD_SDL)
int sdl_scancode;
int sdl_key;
#elif defined(OSD_WINDOWS)
int scan_code;
unsigned char virtual_key;
#elif defined(OSD_UWP)
int scan_code;
Windows::System::VirtualKey virtual_key;
#endif
char ascii_key;
char const * mame_key_name;
char * ui_name;
};
class keyboard_trans_table
{
private:
// default constructor is private
keyboard_trans_table();
static key_trans_entry s_default_table[];
std::unique_ptr<key_trans_entry[]> m_custom_table;
key_trans_entry * m_table;
uint32_t m_table_size;
public:
// constructor
keyboard_trans_table(std::unique_ptr<key_trans_entry[]> table, unsigned int size);
// getters/setters
uint32_t size() const { return m_table_size; }
// public methods
input_item_id lookup_mame_code(const char * scode) const;
int lookup_mame_index(const char * scode) const;
#if defined(OSD_WINDOWS)
input_item_id map_di_scancode_to_itemid(int di_scancode) const;
int vkey_for_mame_code(input_code code) const;
#elif defined(OSD_UWP)
input_item_id map_di_scancode_to_itemid(int di_scancode) const;
const char* ui_label_for_mame_key(input_item_id code) const;
#endif
static keyboard_trans_table& instance()
{
static keyboard_trans_table s_instance;
return s_instance;
}
key_trans_entry & operator [](int i) const { return m_table[i]; }
};
//============================================================
// input_module_base - base class for input modules
//============================================================
class osd_options;
typedef std::chrono::high_resolution_clock clock_type;
typedef std::chrono::time_point<std::chrono::high_resolution_clock> timepoint_type;
// 10 milliseconds polling interval
#define MIN_POLLING_INTERVAL 10
class input_module_base : public input_module
{
public:
input_module_base(const char *type, const char* name)
: input_module(type, name),
m_input_enabled(false),
m_mouse_enabled(false),
m_lightgun_enabled(false),
m_input_paused(false),
m_options(nullptr)
{
}
private:
bool m_input_enabled;
bool m_mouse_enabled;
bool m_lightgun_enabled;
bool m_input_paused;
const osd_options * m_options;
input_device_list m_devicelist;
clock_type m_clock;
timepoint_type m_last_poll;
protected:
void set_mouse_enabled(bool value) { m_mouse_enabled = value; }
public:
const osd_options * options() const { return m_options; }
input_device_list * devicelist() { return &m_devicelist; }
bool input_enabled() const { return m_input_enabled; }
bool input_paused() const { return m_input_paused; }
bool mouse_enabled() const { return m_mouse_enabled; }
bool lightgun_enabled() const { return m_lightgun_enabled; }
int init(const osd_options &options) override;
void poll_if_necessary(running_machine &machine) override
{
auto elapsed = std::chrono::duration_cast<std::chrono::milliseconds>(m_clock.now() - m_last_poll);
if (elapsed.count() >= MIN_POLLING_INTERVAL)
{
poll(machine);
}
}
virtual void poll(running_machine &machine)
{
// ignore if not enabled
if (m_input_enabled)
{
// grab the current time
m_last_poll = m_clock.now();
before_poll(machine);
// track if mouse/lightgun is enabled, for mouse hiding purposes
m_mouse_enabled = machine.input().device_class(DEVICE_CLASS_MOUSE).enabled();
m_lightgun_enabled = machine.input().device_class(DEVICE_CLASS_LIGHTGUN).enabled();
}
// poll all of the devices
if (should_poll_devices(machine))
{
m_devicelist.poll_devices();
}
else
{
m_devicelist.reset_devices();
}
}
virtual void pause() override
{
// keep track of the paused state
m_input_paused = true;
}
virtual void resume() override
{
// keep track of the paused state
m_input_paused = false;
}
virtual void exit() override
{
devicelist()->free_all_devices();
}
protected:
virtual int init_internal() { return 0; }
virtual bool should_poll_devices(running_machine &machine) = 0;
virtual void before_poll(running_machine &machine) {}
};
template <class TItem>
int generic_button_get_state(void *device_internal, void *item_internal)
{
device_info *devinfo = static_cast<device_info *>(device_internal);
TItem *itemdata = static_cast<TItem*>(item_internal);
// return the current state
devinfo->module().poll_if_necessary(devinfo->machine());
return *itemdata >> 7;
}
template <class TItem>
int generic_axis_get_state(void *device_internal, void *item_internal)
{
device_info *devinfo = static_cast<device_info *>(device_internal);
TItem *axisdata = static_cast<TItem*>(item_internal);
// return the current state
devinfo->module().poll_if_necessary(devinfo->machine());
return *axisdata;
}
//============================================================
// default_button_name
//============================================================
inline static const char *default_button_name(int which)
{
static char buffer[20];
snprintf(buffer, ARRAY_LENGTH(buffer), "B%d", which);
return buffer;
}
//============================================================
// default_pov_name
//============================================================
inline static const char *default_pov_name(int which)
{
static char buffer[20];
snprintf(buffer, ARRAY_LENGTH(buffer), "POV%d", which);
return buffer;
}
// default axis names
const char *const default_axis_name[] =
{
"X", "Y", "Z", "RX",
"RY", "RZ", "SL1", "SL2"
};
inline static int32_t normalize_absolute_axis(double raw, double rawmin, double rawmax)
{
double center = (rawmax + rawmin) / 2.0;
// make sure we have valid data
if (rawmin >= rawmax)
return int32_t(raw);
// above center
if (raw >= center)
{
double result = (raw - center) * INPUT_ABSOLUTE_MAX / (rawmax - center);
return std::min(result, (double)INPUT_ABSOLUTE_MAX);
}
// below center
else
{
double result = -((center - raw) * (double)-INPUT_ABSOLUTE_MIN / (center - rawmin));
return std::max(result, (double)INPUT_ABSOLUTE_MIN);
}
}
#endif // INPUT_COMMON_H_
|