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 (at) 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 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 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 } 139 140 void DC_PumpEvents(_THIS) 141 { 142 keyboard_update(); 143 mouse_update(); 144 } 145 146 void DC_InitOSKeymap(_THIS) 147 { 148 /* do nothing. */ 149 } 150 151 /* end of SDL_dcevents.c ... */ 152 153
