mirror of
https://github.com/libretro/RetroArch.git
synced 2024-12-03 22:03:04 +00:00
570 lines
14 KiB
C
570 lines
14 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2015 - Hans-Kristian Arntzen
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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 <stdint.h>
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#include <stdlib.h>
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <X11/keysym.h>
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#include <boolean.h>
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#include "../input_common.h"
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#include "../input_joypad.h"
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#include "../input_keymaps.h"
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#include "../../driver.h"
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#include "../../gfx/video_viewport.h"
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#include "../../general.h"
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/* forward declarations */
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void x_input_poll_wheel(void *data, XButtonEvent *event, bool latch);
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typedef struct x11_input
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{
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bool blocked;
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const input_device_driver_t *joypad;
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Display *display;
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Window win;
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char state[32];
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bool mouse_l, mouse_r, mouse_m, mouse_wu, mouse_wd;
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int mouse_x, mouse_y;
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int mouse_last_x, mouse_last_y;
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bool grab_mouse;
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} x11_input_t;
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const struct rarch_key_map rarch_key_map_x11[] = {
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{ XK_BackSpace, RETROK_BACKSPACE },
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{ XK_Tab, RETROK_TAB },
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{ XK_Clear, RETROK_CLEAR },
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{ XK_Return, RETROK_RETURN },
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{ XK_Pause, RETROK_PAUSE },
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{ XK_Escape, RETROK_ESCAPE },
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{ XK_space, RETROK_SPACE },
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{ XK_exclam, RETROK_EXCLAIM },
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{ XK_quotedbl, RETROK_QUOTEDBL },
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{ XK_numbersign, RETROK_HASH },
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{ XK_dollar, RETROK_DOLLAR },
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{ XK_ampersand, RETROK_AMPERSAND },
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{ XK_apostrophe, RETROK_QUOTE },
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{ XK_parenleft, RETROK_LEFTPAREN },
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{ XK_parenright, RETROK_RIGHTPAREN },
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{ XK_asterisk, RETROK_ASTERISK },
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{ XK_plus, RETROK_PLUS },
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{ XK_comma, RETROK_COMMA },
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{ XK_minus, RETROK_MINUS },
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{ XK_period, RETROK_PERIOD },
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{ XK_slash, RETROK_SLASH },
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{ XK_0, RETROK_0 },
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{ XK_1, RETROK_1 },
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{ XK_2, RETROK_2 },
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{ XK_3, RETROK_3 },
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{ XK_4, RETROK_4 },
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{ XK_5, RETROK_5 },
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{ XK_6, RETROK_6 },
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{ XK_7, RETROK_7 },
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{ XK_8, RETROK_8 },
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{ XK_9, RETROK_9 },
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{ XK_colon, RETROK_COLON },
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{ XK_semicolon, RETROK_SEMICOLON },
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{ XK_less, RETROK_LESS },
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{ XK_equal, RETROK_EQUALS },
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{ XK_greater, RETROK_GREATER },
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{ XK_question, RETROK_QUESTION },
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{ XK_at, RETROK_AT },
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{ XK_bracketleft, RETROK_LEFTBRACKET },
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{ XK_backslash, RETROK_BACKSLASH },
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{ XK_bracketright, RETROK_RIGHTBRACKET },
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{ XK_dead_circumflex, RETROK_CARET },
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{ XK_underscore, RETROK_UNDERSCORE },
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{ XK_grave, RETROK_BACKQUOTE },
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{ XK_a, RETROK_a },
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{ XK_b, RETROK_b },
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{ XK_c, RETROK_c },
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{ XK_d, RETROK_d },
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{ XK_e, RETROK_e },
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{ XK_f, RETROK_f },
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{ XK_g, RETROK_g },
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{ XK_h, RETROK_h },
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{ XK_i, RETROK_i },
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{ XK_j, RETROK_j },
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{ XK_k, RETROK_k },
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{ XK_l, RETROK_l },
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{ XK_m, RETROK_m },
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{ XK_n, RETROK_n },
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{ XK_o, RETROK_o },
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{ XK_p, RETROK_p },
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{ XK_q, RETROK_q },
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{ XK_r, RETROK_r },
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{ XK_s, RETROK_s },
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{ XK_t, RETROK_t },
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{ XK_u, RETROK_u },
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{ XK_v, RETROK_v },
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{ XK_w, RETROK_w },
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{ XK_x, RETROK_x },
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{ XK_y, RETROK_y },
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{ XK_z, RETROK_z },
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{ XK_Delete, RETROK_DELETE },
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{ XK_KP_0, RETROK_KP0 },
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{ XK_KP_1, RETROK_KP1 },
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{ XK_KP_2, RETROK_KP2 },
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{ XK_KP_3, RETROK_KP3 },
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{ XK_KP_4, RETROK_KP4 },
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{ XK_KP_5, RETROK_KP5 },
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{ XK_KP_6, RETROK_KP6 },
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{ XK_KP_7, RETROK_KP7 },
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{ XK_KP_8, RETROK_KP8 },
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{ XK_KP_9, RETROK_KP9 },
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{ XK_KP_Decimal, RETROK_KP_PERIOD },
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{ XK_KP_Divide, RETROK_KP_DIVIDE },
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{ XK_KP_Multiply, RETROK_KP_MULTIPLY },
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{ XK_KP_Subtract, RETROK_KP_MINUS },
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{ XK_KP_Add, RETROK_KP_PLUS },
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{ XK_KP_Enter, RETROK_KP_ENTER },
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{ XK_KP_Equal, RETROK_KP_EQUALS },
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{ XK_Up, RETROK_UP },
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{ XK_Down, RETROK_DOWN },
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{ XK_Right, RETROK_RIGHT },
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{ XK_Left, RETROK_LEFT },
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{ XK_Insert, RETROK_INSERT },
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{ XK_Home, RETROK_HOME },
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{ XK_End, RETROK_END },
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{ XK_Page_Up, RETROK_PAGEUP },
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{ XK_Page_Down, RETROK_PAGEDOWN },
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{ XK_F1, RETROK_F1 },
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{ XK_F2, RETROK_F2 },
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{ XK_F3, RETROK_F3 },
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{ XK_F4, RETROK_F4 },
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{ XK_F5, RETROK_F5 },
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{ XK_F6, RETROK_F6 },
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{ XK_F7, RETROK_F7 },
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{ XK_F8, RETROK_F8 },
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{ XK_F9, RETROK_F9 },
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{ XK_F10, RETROK_F10 },
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{ XK_F11, RETROK_F11 },
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{ XK_F12, RETROK_F12 },
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{ XK_F13, RETROK_F13 },
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{ XK_F14, RETROK_F14 },
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{ XK_F15, RETROK_F15 },
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{ XK_Num_Lock, RETROK_NUMLOCK },
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{ XK_Caps_Lock, RETROK_CAPSLOCK },
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{ XK_Scroll_Lock, RETROK_SCROLLOCK },
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{ XK_Shift_R, RETROK_RSHIFT },
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{ XK_Shift_L, RETROK_LSHIFT },
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{ XK_Control_R, RETROK_RCTRL },
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{ XK_Control_L, RETROK_LCTRL },
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{ XK_Alt_R, RETROK_RALT },
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{ XK_Alt_L, RETROK_LALT },
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{ XK_Meta_R, RETROK_RMETA },
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{ XK_Meta_L, RETROK_LMETA },
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{ XK_Super_L, RETROK_LSUPER },
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{ XK_Super_R, RETROK_RSUPER },
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{ XK_Mode_switch, RETROK_MODE },
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{ XK_Multi_key, RETROK_COMPOSE },
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{ XK_Help, RETROK_HELP },
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{ XK_Print, RETROK_PRINT },
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{ XK_Sys_Req, RETROK_SYSREQ },
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{ XK_Break, RETROK_BREAK },
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{ XK_Menu, RETROK_MENU },
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/*{ ?, RETROK_POWER },*/
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{ XK_EuroSign, RETROK_EURO },
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{ XK_Undo, RETROK_UNDO },
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{ 0, RETROK_UNKNOWN },
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};
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static void *x_input_init(void)
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{
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driver_t *driver = driver_get_ptr();
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settings_t *settings = config_get_ptr();
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x11_input_t *x11;
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if (driver->display_type != RARCH_DISPLAY_X11)
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{
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RARCH_ERR("Currently active window is not an X11 window. Cannot use this driver.\n");
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return NULL;
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}
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x11 = (x11_input_t*)calloc(1, sizeof(*x11));
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if (!x11)
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return NULL;
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/* Borrow the active X window ... */
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x11->display = (Display*)driver->video_display;
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x11->win = (Window)driver->video_window;
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x11->joypad = input_joypad_init_driver(settings->input.joypad_driver, x11);
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input_keymaps_init_keyboard_lut(rarch_key_map_x11);
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return x11;
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}
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static bool x_key_pressed(x11_input_t *x11, int key)
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{
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unsigned sym;
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int keycode;
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bool ret;
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if (key >= RETROK_LAST)
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return false;
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sym = input_keymaps_translate_rk_to_keysym((enum retro_key)key);
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keycode = XKeysymToKeycode(x11->display, sym);
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ret = x11->state[keycode >> 3] & (1 << (keycode & 7));
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return ret;
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}
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static bool x_is_pressed(x11_input_t *x11,
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const struct retro_keybind *binds, unsigned id)
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{
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if (id < RARCH_BIND_LIST_END)
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{
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const struct retro_keybind *bind = &binds[id];
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return bind->valid && x_key_pressed(x11, binds[id].key);
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}
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return false;
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}
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static int16_t x_pressed_analog(x11_input_t *x11,
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const struct retro_keybind *binds, unsigned idx, unsigned id)
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{
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int16_t pressed_minus = 0, pressed_plus = 0;
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unsigned id_minus = 0;
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unsigned id_plus = 0;
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input_conv_analog_id_to_bind_id(idx, id, &id_minus, &id_plus);
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if (x_is_pressed(x11, binds, id_minus))
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pressed_minus = -0x7fff;
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if (x_is_pressed(x11, binds, id_plus))
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pressed_plus = 0x7fff;
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return pressed_plus + pressed_minus;
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}
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static bool x_input_key_pressed(void *data, int key)
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{
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x11_input_t *x11 = (x11_input_t*)data;
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settings_t *settings = config_get_ptr();
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return x_is_pressed(x11, settings->input.binds[0], key) ||
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input_joypad_pressed(x11->joypad, 0, settings->input.binds[0], key);
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}
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static bool x_input_meta_key_pressed(void *data, int key)
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{
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return false;
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}
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static int16_t x_mouse_state(x11_input_t *x11, unsigned id)
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{
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switch (id)
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{
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case RETRO_DEVICE_ID_MOUSE_X:
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return x11->mouse_x - x11->mouse_last_x;
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case RETRO_DEVICE_ID_MOUSE_Y:
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return x11->mouse_y - x11->mouse_last_y;
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case RETRO_DEVICE_ID_MOUSE_LEFT:
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return x11->mouse_l;
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case RETRO_DEVICE_ID_MOUSE_RIGHT:
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return x11->mouse_r;
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case RETRO_DEVICE_ID_MOUSE_WHEELUP:
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{
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int16_t ret = x11->mouse_wu;
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x11->mouse_wu = 0;
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return ret;
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}
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case RETRO_DEVICE_ID_MOUSE_WHEELDOWN:
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{
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int16_t ret = x11->mouse_wd;
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x11->mouse_wd = 0;
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return ret;
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}
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case RETRO_DEVICE_ID_MOUSE_MIDDLE:
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return x11->mouse_m;
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}
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return 0;
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}
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static int16_t x_pointer_state(x11_input_t *x11,
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unsigned idx, unsigned id, bool screen)
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{
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int16_t res_x = 0, res_y = 0, res_screen_x = 0, res_screen_y = 0;
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bool valid, inside;
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if (idx != 0)
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return 0;
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valid = input_translate_coord_viewport(x11->mouse_x, x11->mouse_y,
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&res_x, &res_y, &res_screen_x, &res_screen_y);
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if (!valid)
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return 0;
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if (screen)
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{
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res_x = res_screen_x;
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res_y = res_screen_y;
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}
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inside = (res_x >= -0x7fff) && (res_y >= -0x7fff);
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if (!inside)
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return 0;
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switch (id)
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{
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case RETRO_DEVICE_ID_POINTER_X:
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return res_x;
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case RETRO_DEVICE_ID_POINTER_Y:
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return res_y;
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case RETRO_DEVICE_ID_POINTER_PRESSED:
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return x11->mouse_l;
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}
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return 0;
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}
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static int16_t x_lightgun_state(x11_input_t *x11, unsigned id)
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{
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switch (id)
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{
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case RETRO_DEVICE_ID_LIGHTGUN_X:
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return x11->mouse_x - x11->mouse_last_x;
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case RETRO_DEVICE_ID_LIGHTGUN_Y:
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return x11->mouse_y - x11->mouse_last_y;
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case RETRO_DEVICE_ID_LIGHTGUN_TRIGGER:
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return x11->mouse_l;
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case RETRO_DEVICE_ID_LIGHTGUN_CURSOR:
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return x11->mouse_m;
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case RETRO_DEVICE_ID_LIGHTGUN_TURBO:
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return x11->mouse_r;
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case RETRO_DEVICE_ID_LIGHTGUN_START:
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return x11->mouse_m && x11->mouse_r;
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case RETRO_DEVICE_ID_LIGHTGUN_PAUSE:
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return x11->mouse_m && x11->mouse_l;
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}
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return 0;
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}
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static int16_t x_input_state(void *data,
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const struct retro_keybind **binds, unsigned port,
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unsigned device, unsigned idx, unsigned id)
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{
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int16_t ret;
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x11_input_t *x11 = (x11_input_t*)data;
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switch (device)
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{
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case RETRO_DEVICE_JOYPAD:
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return x_is_pressed(x11, binds[port], id) ||
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input_joypad_pressed(x11->joypad, port, binds[port], id);
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case RETRO_DEVICE_KEYBOARD:
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return x_key_pressed(x11, id);
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case RETRO_DEVICE_ANALOG:
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ret = x_pressed_analog(x11, binds[port], idx, id);
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if (!ret)
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ret = input_joypad_analog(x11->joypad, port, idx,
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id, binds[port]);
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return ret;
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case RETRO_DEVICE_MOUSE:
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return x_mouse_state(x11, id);
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case RETRO_DEVICE_POINTER:
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case RARCH_DEVICE_POINTER_SCREEN:
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return x_pointer_state(x11, idx, id,
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device == RARCH_DEVICE_POINTER_SCREEN);
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case RETRO_DEVICE_LIGHTGUN:
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return x_lightgun_state(x11, id);
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}
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return 0;
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}
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static void x_input_free(void *data)
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{
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x11_input_t *x11 = (x11_input_t*)data;
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if (!x11)
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return;
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if (x11->joypad)
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x11->joypad->destroy();
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free(x11);
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}
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static void x_input_poll_mouse(x11_input_t *x11)
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{
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unsigned mask;
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int root_x, root_y, win_x, win_y;
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Window root_win, child_win;
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x11->mouse_last_x = x11->mouse_x;
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x11->mouse_last_y = x11->mouse_y;
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XQueryPointer(x11->display,
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x11->win,
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&root_win, &child_win,
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&root_x, &root_y,
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&win_x, &win_y,
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&mask);
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x11->mouse_x = win_x;
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x11->mouse_y = win_y;
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x11->mouse_l = mask & Button1Mask;
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x11->mouse_m = mask & Button2Mask;
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x11->mouse_r = mask & Button3Mask;
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/* Somewhat hacky, but seem to do the job. */
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if (x11->grab_mouse && video_driver_focus())
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{
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int mid_w, mid_h;
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struct video_viewport vp = {0};
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video_driver_viewport_info(&vp);
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mid_w = vp.full_width >> 1;
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mid_h = vp.full_height >> 1;
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if (x11->mouse_x != mid_w || x11->mouse_y != mid_h)
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{
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XWarpPointer(x11->display, None,
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x11->win, 0, 0, 0, 0,
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mid_w, mid_h);
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}
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x11->mouse_last_x = mid_w;
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x11->mouse_last_y = mid_h;
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}
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}
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void x_input_poll_wheel(void *data, XButtonEvent *event, bool latch)
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{
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x11_input_t *x11 = (x11_input_t*)data;
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if (!x11)
|
|
return;
|
|
|
|
switch (event->button)
|
|
{
|
|
case 4:
|
|
x11->mouse_wu = 1;
|
|
break;
|
|
case 5:
|
|
x11->mouse_wd = 1;
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void x_input_poll(void *data)
|
|
{
|
|
x11_input_t *x11 = (x11_input_t*)data;
|
|
|
|
if (video_driver_focus())
|
|
XQueryKeymap(x11->display, x11->state);
|
|
else
|
|
memset(x11->state, 0, sizeof(x11->state));
|
|
|
|
x_input_poll_mouse(x11);
|
|
|
|
if (x11->joypad)
|
|
x11->joypad->poll();
|
|
}
|
|
|
|
static void x_grab_mouse(void *data, bool state)
|
|
{
|
|
x11_input_t *x11 = (x11_input_t*)data;
|
|
if (x11)
|
|
x11->grab_mouse = state;
|
|
}
|
|
|
|
static bool x_set_rumble(void *data, unsigned port,
|
|
enum retro_rumble_effect effect, uint16_t strength)
|
|
{
|
|
x11_input_t *x11 = (x11_input_t*)data;
|
|
if (!x11)
|
|
return false;
|
|
return input_joypad_set_rumble(x11->joypad, port, effect, strength);
|
|
}
|
|
|
|
static const input_device_driver_t *x_get_joypad_driver(void *data)
|
|
{
|
|
x11_input_t *x11 = (x11_input_t*)data;
|
|
|
|
if (!x11)
|
|
return NULL;
|
|
return x11->joypad;
|
|
}
|
|
|
|
static uint64_t x_input_get_capabilities(void *data)
|
|
{
|
|
uint64_t caps = 0;
|
|
|
|
caps |= (1 << RETRO_DEVICE_JOYPAD);
|
|
caps |= (1 << RETRO_DEVICE_MOUSE);
|
|
caps |= (1 << RETRO_DEVICE_KEYBOARD);
|
|
caps |= (1 << RETRO_DEVICE_LIGHTGUN);
|
|
caps |= (1 << RETRO_DEVICE_POINTER);
|
|
caps |= (1 << RETRO_DEVICE_ANALOG);
|
|
|
|
return caps;
|
|
}
|
|
|
|
static bool x_keyboard_mapping_is_blocked(void *data)
|
|
{
|
|
x11_input_t *x11 = (x11_input_t*)data;
|
|
if (!x11)
|
|
return false;
|
|
return x11->blocked;
|
|
}
|
|
|
|
static void x_keyboard_mapping_set_block(void *data, bool value)
|
|
{
|
|
x11_input_t *x11 = (x11_input_t*)data;
|
|
if (!x11)
|
|
return;
|
|
x11->blocked = value;
|
|
}
|
|
|
|
input_driver_t input_x = {
|
|
x_input_init,
|
|
x_input_poll,
|
|
x_input_state,
|
|
x_input_key_pressed,
|
|
x_input_meta_key_pressed,
|
|
x_input_free,
|
|
NULL,
|
|
NULL,
|
|
x_input_get_capabilities,
|
|
"x",
|
|
x_grab_mouse,
|
|
NULL,
|
|
x_set_rumble,
|
|
x_get_joypad_driver,
|
|
x_keyboard_mapping_is_blocked,
|
|
x_keyboard_mapping_set_block,
|
|
};
|