mirror of
https://github.com/libretro/RetroArch.git
synced 2024-11-26 01:30:51 +00:00
107 lines
3.1 KiB
C
107 lines
3.1 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
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* Copyright (C) 2011-2017 - Daniel De Matteis
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <X11/keysymdef.h>
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#include <X11/extensions/xf86vmode.h>
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#include <boolean.h>
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#include <retro_inline.h>
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#include <encodings/utf.h>
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#include <retro_miscellaneous.h>
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#ifdef HAVE_CONFIG_H
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#include "../../config.h"
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#endif
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#ifdef HAVE_XINERAMA
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#include <X11/extensions/Xinerama.h>
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#endif
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#include "../input_keyboard.h"
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#include "../input_keymaps.h"
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void x11_handle_key_event(XEvent *event, XIC ic, bool filter)
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{
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int i;
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unsigned key;
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unsigned state = event->xkey.state;
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uint16_t mod = 0;
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uint32_t chars[32];
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bool down = event->type == KeyPress;
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int num = 0;
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KeySym keysym = 0;
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chars[0] = '\0';
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if (!filter)
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{
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if (down)
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{
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char keybuf[32];
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keybuf[0] = '\0';
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#ifdef X_HAVE_UTF8_STRING
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Status status = 0;
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/* XwcLookupString doesn't seem to work. */
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num = Xutf8LookupString(ic, &event->xkey, keybuf, ARRAY_SIZE(keybuf), &keysym, &status);
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/* libc functions need UTF-8 locale to work properly,
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* which makes mbrtowc a bit impractical.
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*
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* Use custom UTF8 -> UTF-32 conversion. */
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num = utf8_conv_utf32(chars, ARRAY_SIZE(chars), keybuf, num);
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#else
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(void)ic;
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num = XLookupString(&event->xkey, keybuf, sizeof(keybuf), &keysym, NULL); /* ASCII only. */
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for (i = 0; i < num; i++)
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chars[i] = keybuf[i] & 0x7f;
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#endif
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}
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else
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keysym = XLookupKeysym(&event->xkey, (state & ShiftMask) || (state & LockMask));
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}
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/* We can't feed uppercase letters to the keycode translator. Seems like a bad idea
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* to feed it keysyms anyway, so here is a little hack... */
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if (keysym >= XK_A && keysym <= XK_Z)
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keysym += XK_z - XK_Z;
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key = input_keymaps_translate_keysym_to_rk(keysym);
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if (state & ShiftMask)
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mod |= RETROKMOD_SHIFT;
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if (state & LockMask)
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mod |= RETROKMOD_CAPSLOCK;
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if (state & ControlMask)
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mod |= RETROKMOD_CTRL;
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if (state & Mod1Mask)
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mod |= RETROKMOD_ALT;
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if (state & Mod4Mask)
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mod |= RETROKMOD_META;
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if (IsKeypadKey(keysym))
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mod |= RETROKMOD_NUMLOCK;
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input_keyboard_event(down, key, chars[0], mod, RETRO_DEVICE_KEYBOARD);
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for (i = 1; i < num; i++)
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input_keyboard_event(down, RETROK_UNKNOWN,
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chars[i], mod, RETRO_DEVICE_KEYBOARD);
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}
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