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SDL_x11keyboard.c
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/*
SDL - Simple DirectMedia Layer
Copyright (C) 1997-2006 Sam Lantinga
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
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
Lesser General Public License for more details.
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
Sam Lantinga
slouken@libsdl.org
*/
#include "SDL_config.h"
#include "SDL_x11video.h"
#include "../../events/SDL_keyboard_c.h"
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#include "../../events/scancodes_darwin.h"
#include "../../events/scancodes_xfree86.h"
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#include <X11/keysym.h>
#include "imKStoUCS.h"
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static KeySym XKeySymTable[SDL_NUM_SCANCODES] = {
0, 0, 0, 0,
XK_a,
XK_b,
XK_c,
XK_d,
XK_e,
XK_f,
XK_g,
XK_h,
XK_i,
XK_j,
XK_k,
XK_l,
XK_m,
XK_n,
XK_o,
XK_p,
XK_q,
XK_r,
XK_s,
XK_t,
XK_u,
XK_v,
XK_w,
XK_x,
XK_y,
XK_z,
XK_1,
XK_2,
XK_3,
XK_4,
XK_5,
XK_6,
XK_7,
XK_8,
XK_9,
XK_0,
XK_Return,
XK_Escape,
XK_BackSpace,
XK_Tab,
XK_space,
XK_minus,
XK_equal,
XK_bracketleft,
XK_bracketright,
XK_backslash,
0, /* SDL_SCANCODE_NONUSHASH ? */
XK_semicolon,
XK_apostrophe,
XK_grave,
XK_comma,
XK_period,
XK_slash,
XK_Caps_Lock,
XK_F1,
XK_F2,
XK_F3,
XK_F4,
XK_F5,
XK_F6,
XK_F7,
XK_F8,
XK_F9,
XK_F10,
XK_F11,
XK_F12,
XK_Print,
XK_Scroll_Lock,
XK_Pause,
XK_Insert,
XK_Home,
XK_Prior,
XK_Delete,
XK_End,
XK_Next,
XK_Right,
XK_Left,
XK_Down,
XK_Up,
XK_Num_Lock,
XK_KP_Divide,
XK_KP_Multiply,
XK_KP_Subtract,
XK_KP_Add,
XK_KP_Enter,
XK_KP_1,
XK_KP_2,
XK_KP_3,
XK_KP_4,
XK_KP_5,
XK_KP_6,
XK_KP_7,
XK_KP_8,
XK_KP_9,
XK_KP_0,
XK_KP_Decimal,
0, /* SDL_SCANCODE_NONUSBACKSLASH ? */
XK_Hyper_R,
0, /* SDL_SCANCODE_POWER ? */
XK_KP_Equal,
XK_F13,
XK_F14,
XK_F15,
XK_F16,
XK_F17,
XK_F18,
XK_F19,
XK_F20,
XK_F21,
XK_F22,
XK_F23,
XK_F24,
XK_Execute,
XK_Help,
XK_Menu,
XK_Select,
XK_Cancel,
XK_Redo,
XK_Undo,
0, /* SDL_SCANCODE_CUT ? */
0, /* SDL_SCANCODE_COPY ? */
0, /* SDL_SCANCODE_PASTE ? */
XK_Find,
0, /* SDL_SCANCODE_MUTE ? */
0, /* SDL_SCANCODE_VOLUMEUP ? */
0, /* SDL_SCANCODE_VOLUMEDOWN ? */
0, 0, 0,
XK_KP_Separator,
0, /* SDL_SCANCODE_KP_EQUALSAS400 ? */
0, /* SDL_SCANCODE_INTERNATIONAL1 ? */
0, /* SDL_SCANCODE_INTERNATIONAL2 ? */
0, /* SDL_SCANCODE_INTERNATIONAL3 ? */
0, /* SDL_SCANCODE_INTERNATIONAL4 ? */
0, /* SDL_SCANCODE_INTERNATIONAL5 ? */
0, /* SDL_SCANCODE_INTERNATIONAL6 ? */
0, /* SDL_SCANCODE_INTERNATIONAL7 ? */
0, /* SDL_SCANCODE_INTERNATIONAL8 ? */
0, /* SDL_SCANCODE_INTERNATIONAL9 ? */
0, /* SDL_SCANCODE_LANG1 ? */
0, /* SDL_SCANCODE_LANG2 ? */
0, /* SDL_SCANCODE_LANG3 ? */
0, /* SDL_SCANCODE_LANG4 ? */
0, /* SDL_SCANCODE_LANG5 ? */
0, /* SDL_SCANCODE_LANG6 ? */
0, /* SDL_SCANCODE_LANG7 ? */
0, /* SDL_SCANCODE_LANG8 ? */
0, /* SDL_SCANCODE_LANG9 ? */
0, /* SDL_SCANCODE_ALTERASE ? */
XK_Sys_Req,
0, /* SDL_SCANCODE_CANCEL ? - XK_Cancel was used above... */
0, /* SDL_SCANCODE_CLEAR ? */
0, /* SDL_SCANCODE_PRIOR ? - XK_Prior was used above... */
0, /* SDL_SCANCODE_RETURN2 ? */
0, /* SDL_SCANCODE_SEPARATOR ? */
0, /* SDL_SCANCODE_OUT ? */
0, /* SDL_SCANCODE_OPER ? */
0, /* SDL_SCANCODE_CLEARAGAIN ? */
0, /* SDL_SCANCODE_CRSEL ? */
0, /* SDL_SCANCODE_EXSEL ? */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, /* SDL_SCANCODE_KP_00 ? */
0, /* SDL_SCANCODE_KP_000 ? */
0, /* SDL_SCANCODE_THOUSANDSSEPARATOR ? */
0, /* SDL_SCANCODE_DECIMALSEPARATOR ? */
0, /* SDL_SCANCODE_CURRENCYUNIT ? */
0, /* SDL_SCANCODE_CURRENCYSUBUNIT ? */
0, /* SDL_SCANCODE_KP_LEFTPAREN ? */
0, /* SDL_SCANCODE_KP_RIGHTPAREN ? */
0, /* SDL_SCANCODE_KP_LEFTBRACE ? */
0, /* SDL_SCANCODE_KP_RIGHTBRACE ? */
0, /* SDL_SCANCODE_KP_TAB ? */
0, /* SDL_SCANCODE_KP_BACKSPACE ? */
0, /* SDL_SCANCODE_KP_A ? */
0, /* SDL_SCANCODE_KP_B ? */
0, /* SDL_SCANCODE_KP_C ? */
0, /* SDL_SCANCODE_KP_D ? */
0, /* SDL_SCANCODE_KP_E ? */
0, /* SDL_SCANCODE_KP_F ? */
0, /* SDL_SCANCODE_KP_XOR ? */
0, /* SDL_SCANCODE_KP_POWER ? */
0, /* SDL_SCANCODE_KP_PERCENT ? */
0, /* SDL_SCANCODE_KP_LESS ? */
0, /* SDL_SCANCODE_KP_GREATER ? */
0, /* SDL_SCANCODE_KP_AMPERSAND ? */
0, /* SDL_SCANCODE_KP_DBLAMPERSAND ? */
0, /* SDL_SCANCODE_KP_VERTICALBAR ? */
0, /* SDL_SCANCODE_KP_DBLVERTICALBAR ? */
0, /* SDL_SCANCODE_KP_COLON ? */
0, /* SDL_SCANCODE_KP_HASH ? */
0, /* SDL_SCANCODE_KP_SPACE ? */
0, /* SDL_SCANCODE_KP_AT ? */
0, /* SDL_SCANCODE_KP_EXCLAM ? */
0, /* SDL_SCANCODE_KP_MEMSTORE ? */
0, /* SDL_SCANCODE_KP_MEMRECALL ? */
0, /* SDL_SCANCODE_KP_MEMCLEAR ? */
0, /* SDL_SCANCODE_KP_MEMADD ? */
0, /* SDL_SCANCODE_KP_MEMSUBTRACT ? */
0, /* SDL_SCANCODE_KP_MEMMULTIPLY ? */
0, /* SDL_SCANCODE_KP_MEMDIVIDE ? */
0, /* SDL_SCANCODE_KP_PLUSMINUS ? */
0, /* SDL_SCANCODE_KP_CLEAR ? */
0, /* SDL_SCANCODE_KP_CLEARENTRY ? */
0, /* SDL_SCANCODE_KP_BINARY ? */
0, /* SDL_SCANCODE_KP_OCTAL ? */
0, /* SDL_SCANCODE_KP_DECIMAL ? */
0, /* SDL_SCANCODE_KP_HEXADECIMAL ? */
0, 0,
XK_Control_L,
XK_Shift_L,
XK_Alt_L,
XK_Meta_L,
XK_Control_R,
XK_Shift_R,
XK_Alt_R,
XK_Meta_R,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
XK_Mode_switch /*XK_ISO_Level3_Shift */ ,
0, /* SDL_SCANCODE_AUDIONEXT ? */
0, /* SDL_SCANCODE_AUDIOPREV ? */
0, /* SDL_SCANCODE_AUDIOSTOP ? */
0, /* SDL_SCANCODE_AUDIOPLAY ? */
0, /* SDL_SCANCODE_AUDIOMUTE ? */
0, /* SDL_SCANCODE_MEDIASELECT ? */
0, /* SDL_SCANCODE_WWW ? */
0, /* SDL_SCANCODE_MAIL ? */
0, /* SDL_SCANCODE_CALCULATOR ? */
0, /* SDL_SCANCODE_COMPUTER ? */
0, /* SDL_SCANCODE_AC_SEARCH ? */
0, /* SDL_SCANCODE_AC_HOME ? */
0, /* SDL_SCANCODE_AC_BACK ? */
0, /* SDL_SCANCODE_AC_FORWARD ? */
0, /* SDL_SCANCODE_AC_STOP ? */
0, /* SDL_SCANCODE_AC_REFRESH ? */
0, /* SDL_SCANCODE_AC_BOOKMARKS ? */
0, /* SDL_SCANCODE_BRIGHTNESSDOWN ? */
0, /* SDL_SCANCODE_BRIGHTNESSUP ? */
0, /* SDL_SCANCODE_DISPLAYSWITCH ? */
0, /* SDL_SCANCODE_KBDILLUMTOGGLE ? */
0, /* SDL_SCANCODE_KBDILLUMDOWN ? */
0, /* SDL_SCANCODE_KBDILLUMUP ? */
0, /* SDL_SCANCODE_EJECT ? */
0, /* SDL_SCANCODE_SLEEP ? */
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};
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/* *INDENT-OFF* */
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static struct
{
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SDL_scancode *table;
int table_size;
} scancode_set[] = {
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{ darwin_scancode_table, SDL_arraysize(darwin_scancode_table) },
{ xfree86_scancode_table, SDL_arraysize(xfree86_scancode_table) },
};
/* *INDENT-OFF* */
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int
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X11_InitKeyboard(_THIS)
{
SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
SDL_Keyboard keyboard;
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int i, j;
int min_keycode, max_keycode;
SDL_scancode fingerprint_scancodes[] = {
SDL_SCANCODE_HOME,
SDL_SCANCODE_PAGEUP,
SDL_SCANCODE_PAGEDOWN
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};
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int fingerprint[3];
SDL_bool fingerprint_detected;
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XAutoRepeatOn(data->display);
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/* Try to determine which scancodes are being used based on fingerprint */
fingerprint_detected = SDL_FALSE;
XDisplayKeycodes(data->display, &min_keycode, &max_keycode);
for (i = 0; i < SDL_arraysize(fingerprint_scancodes); ++i) {
fingerprint[i] =
XKeysymToKeycode(data->display,
XKeySymTable[fingerprint_scancodes[i]]) -
min_keycode;
}
for (i = 0; i < SDL_arraysize(scancode_set); ++i) {
/* Make sure the scancode set isn't too big */
if ((max_keycode - min_keycode + 1) <= scancode_set[i].table_size) {
continue;
}
for (j = 0; j < SDL_arraysize(fingerprint); ++j) {
if (fingerprint[j] < 0
|| fingerprint[j] >= scancode_set[i].table_size) {
break;
}
if (scancode_set[i].table[fingerprint[j]] !=
fingerprint_scancodes[j]) {
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break;
}
}
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if (j == SDL_arraysize(fingerprint)) {
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/* printf("Using scancode set %d\n", i); */
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SDL_memcpy(&data->key_layout[min_keycode], scancode_set[i].table,
sizeof(SDL_scancode) * scancode_set[i].table_size);
fingerprint_detected = SDL_TRUE;
break;
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}
}
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if (!fingerprint_detected) {
printf
("Keyboard layout unknown, please send the following to the SDL mailing list (sdl@libsdl.org):\n");
/* Determine key_layout - only works on US QWERTY layout */
for (i = min_keycode; i <= max_keycode; ++i) {
KeySym sym;
sym = XKeycodeToKeysym(data->display, i, 0);
if (sym) {
printf("code = %d, sym = 0x%X (%s) ", i - min_keycode, sym,
XKeysymToString(sym));
for (j = 0; j < SDL_arraysize(XKeySymTable); ++j) {
if (XKeySymTable[j] == sym) {
data->key_layout[i] = (SDL_scancode) j;
break;
}
}
if (j == SDL_arraysize(XKeySymTable)) {
printf("scancode not found\n");
} else {
printf("scancode = %d (%s)\n", j, SDL_GetScancodeName(j));
}
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}
}
}
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SDL_zero(keyboard);
data->keyboard = SDL_AddKeyboard(&keyboard, -1);
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X11_UpdateKeymap(_this);
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SDL_SetScancodeName(SDL_SCANCODE_APPLICATION, "Menu");
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return 0;
}
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void
X11_UpdateKeymap(_THIS)
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{
SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
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int i;
SDL_scancode scancode;
SDLKey keymap[SDL_NUM_SCANCODES];
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SDL_GetDefaultKeymap(keymap);
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for (i = 0; i < SDL_arraysize(data->key_layout); i++) {
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/* Make sure this scancode is a valid character scancode */
scancode = data->key_layout[i];
if (scancode == SDL_SCANCODE_UNKNOWN ||
(keymap[scancode] & SDLK_SCANCODE_MASK)) {
continue;
}
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keymap[scancode] =
(SDLKey) X11_KeySymToUcs4(XKeycodeToKeysym(data->display, i, 0));
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}
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SDL_SetKeymap(data->keyboard, 0, keymap, SDL_NUM_SCANCODES);
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}
void
X11_QuitKeyboard(_THIS)
{
SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
SDL_DelKeyboard(data->keyboard);
}
/* vi: set ts=4 sw=4 expandtab: */