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SDL_dcevents.c
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/*
SDL - Simple DirectMedia Layer
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Copyright (C) 1997-2006 Sam Lantinga
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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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
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Lesser General Public License for more details.
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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
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Sam Lantinga
slouken@libsdl.org
*/
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#include "SDL_config.h"
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#include "SDL.h"
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#include "../../events/SDL_sysevents.h"
#include "../../events/SDL_events_c.h"
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#include "SDL_dcvideo.h"
#include "SDL_dcevents_c.h"
#include <dc/maple.h>
#include <dc/maple/mouse.h>
#include <dc/maple/keyboard.h>
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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 */
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};
const static unsigned short sdl_shift[] = {
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SDLK_LCTRL, SDLK_LSHIFT, SDLK_LALT, 0 /* S1 */ ,
SDLK_RCTRL, SDLK_RSHIFT, SDLK_RALT, 0 /* S2 */ ,
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};
#define MOUSE_WHEELUP (1<<4)
#define MOUSE_WHEELDOWN (1<<5)
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static void
mouse_update(void)
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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;
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static void
keyboard_update(void)
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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];
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SDL_PrivateKeyboard(((state->shift_keys >> i) & 1) ? SDL_PRESSED :
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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;
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SDL_PrivateKeyboard(state->matrix[i] ? SDL_PRESSED :
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SDL_RELEASED, &keysym);
}
}
}
old_state = *state;
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void
DC_PumpEvents(_THIS)
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keyboard_update();
mouse_update();
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void
DC_InitOSKeymap(_THIS)
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/* do nothing. */
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}
/* end of SDL_dcevents.c ... */
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/* vi: set ts=4 sw=4 expandtab: */