RetroArch/input/x11_input.c
2012-04-21 23:31:57 +02:00

229 lines
5.2 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2012 - Hans-Kristian Arntzen
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include "driver.h"
#include "SDL.h"
#include "../boolean.h"
#include "general.h"
#include <stdint.h>
#include <stdlib.h>
#include "rarch_sdl_input.h"
#include "keysym.h"
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/keysym.h>
typedef struct x11_input
{
sdl_input_t *sdl;
Display *display;
char state[32];
} x11_input_t;
struct key_bind
{
unsigned x;
enum rarch_key sk;
};
static unsigned keysym_lut[SK_LAST];
static const struct key_bind lut_binds[] = {
{ XK_Left, SK_LEFT },
{ XK_Right, SK_RIGHT },
{ XK_Up, SK_UP },
{ XK_Down, SK_DOWN },
{ XK_Return, SK_RETURN },
{ XK_Tab, SK_TAB },
{ XK_Insert, SK_INSERT },
{ XK_Home, SK_HOME },
{ XK_End, SK_END },
{ XK_Page_Up, SK_PAGEUP },
{ XK_Page_Down, SK_PAGEDOWN },
{ XK_Delete, SK_DELETE },
{ XK_Shift_R, SK_RSHIFT },
{ XK_Shift_L, SK_LSHIFT },
{ XK_Control_L, SK_LCTRL },
{ XK_Alt_L, SK_LALT },
{ XK_space, SK_SPACE },
{ XK_Escape, SK_ESCAPE },
{ XK_BackSpace, SK_BACKSPACE },
{ XK_KP_Enter, SK_KP_ENTER },
{ XK_KP_Add, SK_KP_PLUS },
{ XK_KP_Subtract, SK_KP_MINUS },
{ XK_KP_Multiply, SK_KP_MULTIPLY },
{ XK_KP_Divide, SK_KP_DIVIDE },
{ XK_grave, SK_BACKQUOTE },
{ XK_Pause, SK_PAUSE },
{ XK_KP_0, SK_KP0 },
{ XK_KP_1, SK_KP1 },
{ XK_KP_2, SK_KP2 },
{ XK_KP_3, SK_KP3 },
{ XK_KP_4, SK_KP4 },
{ XK_KP_5, SK_KP5 },
{ XK_KP_6, SK_KP6 },
{ XK_KP_7, SK_KP7 },
{ XK_KP_8, SK_KP8 },
{ XK_KP_9, SK_KP9 },
{ XK_0, SK_0 },
{ XK_1, SK_1 },
{ XK_2, SK_2 },
{ XK_3, SK_3 },
{ XK_4, SK_4 },
{ XK_5, SK_5 },
{ XK_6, SK_6 },
{ XK_7, SK_7 },
{ XK_8, SK_8 },
{ XK_9, SK_9 },
{ XK_F1, SK_F1 },
{ XK_F2, SK_F2 },
{ XK_F3, SK_F3 },
{ XK_F4, SK_F4 },
{ XK_F5, SK_F5 },
{ XK_F6, SK_F6 },
{ XK_F7, SK_F7 },
{ XK_F8, SK_F8 },
{ XK_F9, SK_F9 },
{ XK_F10, SK_F10 },
{ XK_F11, SK_F11 },
{ XK_F12, SK_F12 },
{ XK_a, SK_a },
{ XK_b, SK_b },
{ XK_c, SK_c },
{ XK_d, SK_d },
{ XK_e, SK_e },
{ XK_f, SK_f },
{ XK_g, SK_g },
{ XK_h, SK_h },
{ XK_i, SK_i },
{ XK_j, SK_j },
{ XK_k, SK_k },
{ XK_l, SK_l },
{ XK_m, SK_m },
{ XK_n, SK_n },
{ XK_o, SK_o },
{ XK_p, SK_p },
{ XK_q, SK_q },
{ XK_r, SK_r },
{ XK_s, SK_s },
{ XK_t, SK_t },
{ XK_u, SK_u },
{ XK_v, SK_v },
{ XK_w, SK_w },
{ XK_x, SK_x },
{ XK_y, SK_y },
{ XK_z, SK_z },
};
static void init_lut(void)
{
memset(keysym_lut, 0, sizeof(keysym_lut));
for (unsigned i = 0; i < sizeof(lut_binds) / sizeof(lut_binds[0]); i++)
keysym_lut[lut_binds[i].sk] = lut_binds[i].x;
}
static void *x_input_init(void)
{
x11_input_t *x11 = (x11_input_t*)calloc(1, sizeof(*x11));
if (!x11)
return NULL;
x11->display = XOpenDisplay(NULL);
if (!x11->display)
{
free(x11);
return NULL;
}
x11->sdl = (sdl_input_t*)input_sdl.init();
if (!x11->sdl)
{
free(x11);
return NULL;
}
init_lut();
x11->sdl->use_keyboard = false;
return x11;
}
static bool x_key_pressed(x11_input_t *x11, int key)
{
key = keysym_lut[key];
int keycode = XKeysymToKeycode(x11->display, key);
bool ret = x11->state[keycode >> 3] & (1 << (keycode & 7));
return ret;
}
static bool x_is_pressed(x11_input_t *x11, const struct snes_keybind *binds, unsigned id)
{
if (id < RARCH_BIND_LIST_END)
{
const struct snes_keybind *bind = &binds[id];
return bind->valid && x_key_pressed(x11, binds[id].key);
}
else
return false;
}
static bool x_bind_button_pressed(void *data, int key)
{
x11_input_t *x11 = (x11_input_t*)data;
return x_is_pressed(x11, g_settings.input.binds[0], key) ||
input_sdl.key_pressed(x11->sdl, key);
}
static int16_t x_input_state(void *data, const struct snes_keybind **binds, unsigned port, unsigned device, unsigned index, unsigned id)
{
x11_input_t *x11 = (x11_input_t*)data;
switch (device)
{
case RETRO_DEVICE_JOYPAD:
return x_is_pressed(x11, binds[port], id) ||
input_sdl.input_state(x11->sdl, binds, port, device, index, id);
default:
return 0;
}
}
static void x_input_free(void *data)
{
x11_input_t *x11 = (x11_input_t*)data;
input_sdl.free(x11->sdl);
XCloseDisplay(x11->display);
free(data);
}
static void x_input_poll(void *data)
{
x11_input_t *x11 = (x11_input_t*)data;
XQueryKeymap(x11->display, x11->state);
input_sdl.poll(x11->sdl);
}
const input_driver_t input_x = {
x_input_init,
x_input_poll,
x_input_state,
x_bind_button_pressed,
x_input_free,
"x"
};