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
|
/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef COMMON_HARDWARE_KEY_H
#define COMMON_HARDWARE_KEY_H
#include "common/scummsys.h"
#ifdef ENABLE_KEYMAPPER
#include "common/textconsole.h"
namespace Common {
#define HWKEY_ID_SIZE (30)
/**
* Describes an available hardware key
*/
struct HardwareKey {
/** unique id used for saving/loading to config */
char hwKeyId[HWKEY_ID_SIZE];
/** Human readable description */
String description;
/**
* The KeyState that is generated by the back-end
* when this hardware key is pressed.
*/
KeyState key;
HardwareKey(const char *i, KeyState ky = KeyState(), String desc = "")
: key(ky), description(desc) {
assert(i);
Common::strlcpy(hwKeyId, i, HWKEY_ID_SIZE);
}
};
/**
* Entry in a static table of available non-modifier keys
*/
struct KeyTableEntry {
const char *hwId;
KeyCode keycode;
uint16 ascii;
const char *desc;
bool shiftable;
};
/**
* Entry in a static table of available key modifiers
*/
struct ModifierTableEntry {
byte flag;
const char *id;
const char *desc;
bool shiftable;
};
/**
* Simple class to encapsulate a device's set of HardwareKeys.
* Each device should instantiate this and call addHardwareKey a number of times
* in its constructor to define the device's available keys.
*/
class HardwareKeySet {
public:
/**
* Add hardware keys to the set out of key and modifier tables.
* @param keys table of available keys
* @param modifiers table of available modifiers
*/
HardwareKeySet(const KeyTableEntry keys[], const ModifierTableEntry modifiers[]) {
addHardwareKeys(keys, modifiers);
}
HardwareKeySet() { }
virtual ~HardwareKeySet() {
List<const HardwareKey *>::const_iterator it;
for (it = _keys.begin(); it != _keys.end(); it++)
delete *it;
}
void addHardwareKey(const HardwareKey *key) {
checkForKey(key);
_keys.push_back(key);
}
const HardwareKey *findHardwareKey(const char *id) const {
List<const HardwareKey *>::const_iterator it;
for (it = _keys.begin(); it != _keys.end(); it++) {
if (strncmp((*it)->hwKeyId, id, HWKEY_ID_SIZE) == 0)
return (*it);
}
return 0;
}
const HardwareKey *findHardwareKey(const KeyState& keystate) const {
List<const HardwareKey *>::const_iterator it;
for (it = _keys.begin(); it != _keys.end(); it++) {
if ((*it)->key == keystate)
return (*it);
}
return 0;
}
const List<const HardwareKey *> &getHardwareKeys() const {
return _keys;
}
uint size() const {
return _keys.size();
}
/**
* Add hardware keys to the set out of key and modifier tables.
* @param keys table of available keys
* @param modifiers table of available modifiers
*/
void addHardwareKeys(const KeyTableEntry keys[], const ModifierTableEntry modifiers[]) {
const KeyTableEntry *key;
const ModifierTableEntry *mod;
char fullKeyId[50];
char fullKeyDesc[100];
uint16 ascii;
for (mod = modifiers; mod->id; mod++) {
for (key = keys; key->hwId; key++) {
ascii = key->ascii;
if (mod->shiftable && key->shiftable) {
snprintf(fullKeyId, 50, "%s%c", mod->id, toupper(key->hwId[0]));
snprintf(fullKeyDesc, 100, "%s%c", mod->desc, toupper(key->desc[0]));
ascii = toupper(key->ascii);
} else if (mod->shiftable) {
snprintf(fullKeyId, 50, "S+%s%s", mod->id, key->hwId);
snprintf(fullKeyDesc, 100, "Shift+%s%s", mod->desc, key->desc);
} else {
snprintf(fullKeyId, 50, "%s%s", mod->id, key->hwId);
snprintf(fullKeyDesc, 100, "%s%s", mod->desc, key->desc);
}
addHardwareKey(new HardwareKey(fullKeyId, KeyState(key->keycode, ascii, mod->flag), fullKeyDesc));
}
}
}
private:
void checkForKey(const HardwareKey *key) {
List<const HardwareKey *>::iterator it;
for (it = _keys.begin(); it != _keys.end(); it++) {
if (strncmp((*it)->hwKeyId, key->hwKeyId, HWKEY_ID_SIZE) == 0)
error("Error adding HardwareKey '%s' - id of %s already in use!", key->description.c_str(), key->hwKeyId);
else if ((*it)->key == key->key)
error("Error adding HardwareKey '%s' - key already in use!", key->description.c_str());
}
}
List<const HardwareKey *> _keys;
};
} // End of namespace Common
#endif // #ifdef ENABLE_KEYMAPPER
#endif // #ifndef COMMON_HARDWARE_KEY_H
|