/
SDL_gemdosevents.c
132 lines (106 loc) · 3.67 KB
1
2
/*
SDL - Simple DirectMedia Layer
3
Copyright (C) 1997-2009 Sam Lantinga
4
5
This library is free software; you can redistribute it and/or
6
modify it under the terms of the GNU Lesser General Public
7
License as published by the Free Software Foundation; either
8
version 2.1 of the License, or (at your option) any later version.
9
10
11
12
This library 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
13
Lesser General Public License for more details.
14
15
16
17
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18
19
20
21
Sam Lantinga
slouken@libsdl.org
*/
22
#include "SDL_config.h"
23
24
25
26
27
28
29
30
31
/*
* Atari keyboard events manager, using Gemdos
*
* Patrice Mandin
*/
/* Mint includes */
#include <mint/osbind.h>
32
#include <mint/cookie.h>
33
34
35
#include "../../events/SDL_sysevents.h"
#include "../../events/SDL_events_c.h"
36
37
#include "SDL_atarikeys.h"
38
#include "SDL_atarievents_c.h"
39
#include "SDL_xbiosevents_c.h"
40
#include "SDL_ataridevmouse_c.h"
41
42
43
44
45
/* To save state of keyboard */
static unsigned char gemdos_currentkeyboard[ATARIBIOS_MAXKEYS];
static unsigned char gemdos_previouskeyboard[ATARIBIOS_MAXKEYS];
46
static SDL_bool use_dev_mouse = SDL_FALSE;
47
48
49
50
51
static void UpdateSpecialKeys(int special_keys_state);
void AtariGemdos_InitOSKeymap(_THIS)
{
52
53
int vectors_mask;
/* unsigned long dummy;*/
54
55
56
SDL_memset(gemdos_currentkeyboard, 0, sizeof(gemdos_currentkeyboard));
SDL_memset(gemdos_previouskeyboard, 0, sizeof(gemdos_previouskeyboard));
57
58
59
60
61
62
63
use_dev_mouse = (SDL_AtariDevMouse_Open()!=0) ? SDL_TRUE : SDL_FALSE;
vectors_mask = ATARI_XBIOS_JOYSTICKEVENTS; /* XBIOS joystick events */
if (!use_dev_mouse) {
vectors_mask |= ATARI_XBIOS_MOUSEEVENTS; /* XBIOS mouse events */
}
64
/* if (Getcookie(C_MiNT, &dummy)==C_FOUND) {
65
vectors_mask = 0;
66
}*/
67
SDL_AtariXbios_InstallVectors(vectors_mask);
68
69
70
71
72
73
74
75
}
void AtariGemdos_PumpEvents(_THIS)
{
int i;
SDL_keysym keysym;
/* Update pressed keys */
76
SDL_memset(gemdos_currentkeyboard, 0, ATARIBIOS_MAXKEYS);
77
78
79
80
while (Cconis()!=DEV_BUSY) {
unsigned long key_pressed;
key_pressed=Cnecin();
81
gemdos_currentkeyboard[(key_pressed>>16)&(ATARIBIOS_MAXKEYS-1)]=0xFF;
82
83
84
85
86
87
88
89
90
}
/* Read special keys */
UpdateSpecialKeys(Kbshift(-1));
/* Now generate events */
for (i=0; i<ATARIBIOS_MAXKEYS; i++) {
/* Key pressed ? */
if (gemdos_currentkeyboard[i] && !gemdos_previouskeyboard[i])
91
SDL_PrivateKeyboard(SDL_PRESSED,
92
SDL_Atari_TranslateKey(i, &keysym, SDL_TRUE));
93
94
95
/* Key unpressed ? */
if (gemdos_previouskeyboard[i] && !gemdos_currentkeyboard[i])
96
SDL_PrivateKeyboard(SDL_RELEASED,
97
SDL_Atari_TranslateKey(i, &keysym, SDL_FALSE));
98
99
}
100
101
102
103
104
if (use_dev_mouse) {
SDL_AtariDevMouse_PostMouseEvents(this, SDL_TRUE);
} else {
SDL_AtariXbios_PostMouseEvents(this, SDL_TRUE);
}
105
106
/* Will be previous table */
107
SDL_memcpy(gemdos_previouskeyboard, gemdos_currentkeyboard, sizeof(gemdos_previouskeyboard));
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
}
static void UpdateSpecialKeys(int special_keys_state)
{
#define UPDATE_SPECIAL_KEYS(numbit,scancode) \
{ \
if (special_keys_state & (1<<(numbit))) { \
gemdos_currentkeyboard[scancode]=0xFF; \
} \
}
UPDATE_SPECIAL_KEYS(K_RSHIFT, SCANCODE_RIGHTSHIFT);
UPDATE_SPECIAL_KEYS(K_LSHIFT, SCANCODE_LEFTSHIFT);
UPDATE_SPECIAL_KEYS(K_CTRL, SCANCODE_LEFTCONTROL);
UPDATE_SPECIAL_KEYS(K_ALT, SCANCODE_LEFTALT);
UPDATE_SPECIAL_KEYS(K_CAPSLOCK, SCANCODE_CAPSLOCK);
}
void AtariGemdos_ShutdownEvents(void)
{
128
SDL_AtariXbios_RestoreVectors();
129
130
131
if (use_dev_mouse) {
SDL_AtariDevMouse_Close();
}
132
}