This repository has been archived by the owner on Feb 11, 2021. It is now read-only.
SDL_dcevents.c
1
2
/*
SDL - Simple DirectMedia Layer
3
Copyright (C) 1997-2006 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.
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
#include "SDL.h"
25
26
#include "../../events/SDL_sysevents.h"
#include "../../events/SDL_events_c.h"
27
28
29
30
31
32
33
#include "SDL_dcvideo.h"
#include "SDL_dcevents_c.h"
#include <dc/maple.h>
#include <dc/maple/mouse.h>
#include <dc/maple/keyboard.h>
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
const static unsigned short sdl_key[] = {
/*0 */ 0, 0, 0, 0, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i',
'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't',
'u', 'v', 'w', 'x', 'y', 'z',
/*1e */ '1', '2', '3', '4', '5', '6', '7', '8', '9', '0',
/*28 */ SDLK_RETURN, SDLK_ESCAPE, SDLK_BACKSPACE, SDLK_TAB, SDLK_SPACE,
SDLK_MINUS, SDLK_PLUS, SDLK_LEFTBRACKET,
SDLK_RIGHTBRACKET, SDLK_BACKSLASH, 0, SDLK_SEMICOLON, SDLK_QUOTE,
/*35 */ '~', SDLK_COMMA, SDLK_PERIOD, SDLK_SLASH, SDLK_CAPSLOCK,
SDLK_F1, SDLK_F2, SDLK_F3, SDLK_F4, SDLK_F5, SDLK_F6, SDLK_F7, SDLK_F8,
SDLK_F9, SDLK_F10, SDLK_F11, SDLK_F12,
/*46 */ SDLK_PRINT, SDLK_SCROLLOCK, SDLK_PAUSE, SDLK_INSERT, SDLK_HOME,
SDLK_PAGEUP, SDLK_DELETE, SDLK_END, SDLK_PAGEDOWN, SDLK_RIGHT,
SDLK_LEFT, SDLK_DOWN, SDLK_UP,
/*53 */ SDLK_NUMLOCK, SDLK_KP_DIVIDE, SDLK_KP_MULTIPLY, SDLK_KP_MINUS,
SDLK_KP_PLUS, SDLK_KP_ENTER,
SDLK_KP1, SDLK_KP2, SDLK_KP3, SDLK_KP4, SDLK_KP5, SDLK_KP6,
/*5f */ SDLK_KP7, SDLK_KP8, SDLK_KP9, SDLK_KP0, SDLK_KP_PERIOD, 0
/* S3 */
53
54
55
};
const static unsigned short sdl_shift[] = {
56
57
SDLK_LCTRL, SDLK_LSHIFT, SDLK_LALT, 0 /* S1 */ ,
SDLK_RCTRL, SDLK_RSHIFT, SDLK_RALT, 0 /* S2 */ ,
58
59
60
61
62
};
#define MOUSE_WHEELUP (1<<4)
#define MOUSE_WHEELDOWN (1<<5)
63
64
static void
mouse_update (void)
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
const static char sdl_mousebtn[] = {
MOUSE_LEFTBUTTON,
MOUSE_RIGHTBUTTON,
MOUSE_SIDEBUTTON,
MOUSE_WHEELUP,
MOUSE_WHEELDOWN
};
uint8 addr;
mouse_cond_t cond;
static int prev_buttons;
int buttons, changed;
int i;
if ((addr = maple_first_mouse ()) == 0
|| mouse_get_cond (addr, &cond) < 0)
return;
buttons = cond.buttons ^ 0xff;
if (cond.dz < 0)
buttons |= MOUSE_WHEELUP;
if (cond.dz > 0)
buttons |= MOUSE_WHEELDOWN;
if (cond.dx || cond.dy)
SDL_PrivateMouseMotion (0, 1, cond.dx, cond.dy);
changed = buttons ^ prev_buttons;
for (i = 0; i < sizeof (sdl_mousebtn); i++) {
if (changed & sdl_mousebtn[i]) {
SDL_PrivateMouseButton ((buttons & sdl_mousebtn[i]) ?
SDL_PRESSED : SDL_RELEASED, i, 0, 0);
}
}
prev_buttons = buttons;
104
105
static void
keyboard_update (void)
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
static kbd_state_t old_state;
static uint8 old_addr;
kbd_state_t *state;
uint8 addr;
int port, unit;
int shiftkeys;
SDL_keysym keysym;
int i;
addr = maple_first_kb ();
if (addr == 0)
return;
if (addr != old_addr) {
old_addr = addr;
SDL_memset (&old_state, 0, sizeof (old_state));
}
maple_raddr (addr, &port, &unit);
state = maple_dev_state (port, unit);
if (!state)
return;
shiftkeys = state->shift_keys ^ old_state.shift_keys;
for (i = 0; i < sizeof (sdl_shift); i++) {
if ((shiftkeys >> i) & 1) {
keysym.sym = sdl_shift[i];
SDL_PrivateKeyboard (((state->
shift_keys >> i) & 1) ? SDL_PRESSED :
SDL_RELEASED, &keysym);
}
}
for (i = 0; i < sizeof (sdl_key); i++) {
if (state->matrix[i] != old_state.matrix[i]) {
int key = sdl_key[i];
if (key) {
keysym.sym = key;
SDL_PrivateKeyboard (state->
matrix[i] ? SDL_PRESSED :
SDL_RELEASED, &keysym);
}
}
}
old_state = *state;
160
161
void
DC_PumpEvents (_THIS)
163
164
keyboard_update ();
mouse_update ();
167
168
void
DC_InitOSKeymap (_THIS)
170
/* do nothing. */
171
172
173
}
/* end of SDL_dcevents.c ... */
174
/* vi: set ts=4 sw=4 expandtab: */