1 /*
2 SDL - Simple DirectMedia Layer
3 Copyright (C) 1997-2012 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 This library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with this library; if not, write to the Free Software
17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18
19 Sam Lantinga
20 slouken@libsdl.org
21 */
22 #include "SDL_config.h"
23
24 #include "SDL.h"
25 #include "../../events/SDL_sysevents.h"
26 #include "../../events/SDL_events_c.h"
27 #include "SDL_dcvideo.h"
28 #include "SDL_dcevents_c.h"
29
30 #include <dc/maple.h>
31 #include <dc/maple/mouse.h>
32 #include <dc/maple/keyboard.h>
33
34 const static unsigned short sdl_key[]= {
35 /*0*/ 0, 0, 0, 0, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i',
36 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't',
37 'u', 'v', 'w', 'x', 'y', 'z',
38 /*1e*/ '1', '2', '3', '4', '5', '6', '7', '8', '9', '0',
39 /*28*/ SDLK_RETURN, SDLK_ESCAPE, SDLK_BACKSPACE, SDLK_TAB, SDLK_SPACE, SDLK_MINUS, SDLK_PLUS, SDLK_LEFTBRACKET,
40 SDLK_RIGHTBRACKET, SDLK_BACKSLASH , 0, SDLK_SEMICOLON, SDLK_QUOTE,
41 /*35*/ '~', SDLK_COMMA, SDLK_PERIOD, SDLK_SLASH, SDLK_CAPSLOCK,
42 SDLK_F1, SDLK_F2, SDLK_F3, SDLK_F4, SDLK_F5, SDLK_F6, SDLK_F7, SDLK_F8, SDLK_F9, SDLK_F10, SDLK_F11, SDLK_F12,
43 /*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,
44 /*53*/ SDLK_NUMLOCK, SDLK_KP_DIVIDE, SDLK_KP_MULTIPLY, SDLK_KP_MINUS, SDLK_KP_PLUS, SDLK_KP_ENTER,
45 SDLK_KP1, SDLK_KP2, SDLK_KP3, SDLK_KP4, SDLK_KP5, SDLK_KP6,
46 /*5f*/ SDLK_KP7, SDLK_KP8, SDLK_KP9, SDLK_KP0, SDLK_KP_PERIOD, 0 /* S3 */
47 };
48
49 const static unsigned short sdl_shift[] = {
50 SDLK_LCTRL,SDLK_LSHIFT,SDLK_LALT,0 /* S1 */,
51 SDLK_RCTRL,SDLK_RSHIFT,SDLK_RALT,0 /* S2 */,
52 };
53
54 #define MOUSE_WHEELUP (1<<4)
55 #define MOUSE_WHEELDOWN (1<<5)
56
mouse_update(void)57 static void mouse_update(void)
58 {
59 const static char sdl_mousebtn[] = {
60 MOUSE_LEFTBUTTON,
61 MOUSE_RIGHTBUTTON,
62 MOUSE_SIDEBUTTON,
63 MOUSE_WHEELUP,
64 MOUSE_WHEELDOWN
65 };
66
67 uint8 addr;
68 mouse_cond_t cond;
69
70 static int prev_buttons;
71 int buttons,changed;
72 int i;
73
74 if ((addr = maple_first_mouse())==0 || mouse_get_cond(addr, &cond)<0) return;
75
76 buttons = cond.buttons^0xff;
77 if (cond.dz<0) buttons|=MOUSE_WHEELUP;
78 if (cond.dz>0) buttons|=MOUSE_WHEELDOWN;
79
80 if (cond.dx||cond.dy) SDL_PrivateMouseMotion(0,1,cond.dx,cond.dy);
81
82 changed = buttons^prev_buttons;
83 for(i=0;i<sizeof(sdl_mousebtn);i++) {
84 if (changed & sdl_mousebtn[i]) {
85 SDL_PrivateMouseButton((buttons & sdl_mousebtn[i])?SDL_PRESSED:SDL_RELEASED,i,0,0);
86 }
87 }
88 prev_buttons = buttons;
89 }
90
keyboard_update(void)91 static void keyboard_update(void)
92 {
93 static kbd_state_t old_state;
94 static uint8 old_addr;
95
96 kbd_state_t *state;
97 uint8 addr;
98 int port,unit;
99
100 int shiftkeys;
101 SDL_keysym keysym;
102
103 int i;
104
105 addr = maple_first_kb();
106
107 if (addr==0) return;
108
109 if (addr!=old_addr) {
110 old_addr = addr;
111 SDL_memset(&old_state,0,sizeof(old_state));
112 }
113
114 maple_raddr(addr,&port,&unit);
115
116 state = maple_dev_state(port,unit);
117 if (!state) return;
118
119 shiftkeys = state->shift_keys ^ old_state.shift_keys;
120 for(i=0;i<sizeof(sdl_shift);i++) {
121 if ((shiftkeys>>i)&1) {
122 keysym.sym = sdl_shift[i];
123 SDL_PrivateKeyboard(((state->shift_keys>>i)&1)?SDL_PRESSED:SDL_RELEASED,&keysym);
124 }
125 }
126
127 for(i=0;i<sizeof(sdl_key);i++) {
128 if (state->matrix[i]!=old_state.matrix[i]) {
129 int key = sdl_key[i];
130 if (key) {
131 keysym.sym = key;
132 SDL_PrivateKeyboard(state->matrix[i]?SDL_PRESSED:SDL_RELEASED,&keysym);
133 }
134 }
135 }
136
137 old_state = *state;
138 }
139
DC_PumpEvents(_THIS)140 void DC_PumpEvents(_THIS)
141 {
142 keyboard_update();
143 mouse_update();
144 }
145
DC_InitOSKeymap(_THIS)146 void DC_InitOSKeymap(_THIS)
147 {
148 /* do nothing. */
149 }
150
151 /* end of SDL_dcevents.c ... */
152
153