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MorsGames
GitHub Repository: MorsGames/sm64plus
 Path: blob/master/src/pc/controller/controller_emscripten_keyboard.c
7861 views
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#ifdef TARGET_WEB

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#include <string.h>

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#include <emscripten/html5.h>

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#include "macros.h"

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#include "controller_keyboard.h"

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static const struct {

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    const char *code;

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    int scancode;

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} keymap_browser[] = {

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    {"Escape", 0x01},

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    {"Digit1", 0x02 },

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    {"Digit2", 0x03 },

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    {"Digit3", 0x04 },

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    {"Digit4", 0x05 },

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    {"Digit5", 0x06 },

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    {"Digit6", 0x07 },

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    {"Digit7", 0x08 },

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    {"Digit8", 0x09 },

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    {"Digit9", 0x0a },

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    {"Digit0", 0x0b },

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    {"Minus", 0x0c },

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    {"Equal", 0x0d },

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    {"Backspace", 0x0e },

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    {"Tab", 0x0f },

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    {"KeyQ", 0x10 },

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    {"KeyW", 0x11 },

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    {"KeyE", 0x12 },

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    {"KeyR", 0x13 },

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    {"KeyT", 0x14 },

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    {"KeyY", 0x15 },

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    {"KeyU", 0x16 },

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    {"KeyI", 0x17 },

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    {"KeyO", 0x18 },

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    {"KeyP", 0x19 },

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    {"BracketLeft", 0x1a },

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    {"BracketRight", 0x1b },

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    {"Enter", 0x1c },

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    {"ControlLeft", 0x1d },

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    {"KeyA", 0x1e },

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    {"KeyS", 0x1f },

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    {"KeyD", 0x20 },

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    {"KeyF", 0x21 },

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    {"KeyG", 0x22 },

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    {"KeyH", 0x23 },

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    {"KeyJ", 0x24 },

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    {"KeyK", 0x25 },

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    {"KeyL", 0x26 },

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    {"Semicolon", 0x27 },

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    {"Quote", 0x28 },

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    {"Backquote", 0x29 },

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    {"ShiftLeft", 0x2a },

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    {"Backslash", 0x2b },

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    {"KeyZ", 0x2c },

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    {"KeyX", 0x2d },

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    {"KeyC", 0x2e },

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    {"KeyV", 0x2f },

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    {"KeyB", 0x30 },

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    {"KeyN", 0x31 },

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    {"KeyM", 0x32 },

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    {"Comma", 0x33 },

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    {"Period", 0x34 },

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    {"Slash", 0x35 },

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    {"ShiftRight", 0x36 },

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    {"NumpadMultiply", 0x37 },

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    {"AltLeft", 0x38 },

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    {"Space", 0x39 },

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    {"CapsLock", 0x3a },

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    {"F1", 0x3b },

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    {"F2", 0x3c },

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    {"F3", 0x3d },

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    {"F4", 0x3e },

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    {"F5", 0x3f },

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    {"F6", 0x40 },

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    {"F7", 0x41 },

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    {"F8", 0x42 },

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    {"F9", 0x43 },

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    {"F10", 0x44 },

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    {"NumLock", 0x45 },

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    {"ScrollLock", 0x46 },

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    {"Numpad7", 0x47 },

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    {"Numpad8", 0x48 },

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    {"Numpad9", 0x49 },

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    {"NumpadSubtract", 0x4a },

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    {"Numpad4", 0x4b },

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    {"Numpad5", 0x4c },

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    {"Numpad6", 0x4d },

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    {"NumpadAdd", 0x4e },

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    {"Numpad1", 0x4f },

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    {"Numpad2", 0x50 },

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    {"Numpad3", 0x51 },

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    {"Numpad0", 0x52 },

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    {"NumpadDecimal", 0x53 },

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    {"PrintScreen", 0x54 },

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    // 0x55

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    {"IntlBackslash", 0x56 },

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    {"F11", 0x57 },

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    {"F12", 0x58 },

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    {"IntlRo", 0x59 },

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    //{"Katakana", 0 },

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    //{"Hiragana", 0 },

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    {"NumpadEnter", 0x11c },

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    {"ControlRight", 0x11d },

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    {"NumpadDivide", 0x135 },

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    {"AltRight", 0x138 },

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    {"Home", 0x147 },

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    {"ArrowUp", 0x148 },

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    {"PageUp", 0x149 },

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    {"ArrowLeft", 0x14b },

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    {"ArrowRight", 0x14d },

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    {"End", 0x14f },

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    {"ArrowDown", 0x150 },

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    {"PageDown", 0x151 },

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    {"Insert", 0x152 },

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    {"Delete", 0x153 },

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    {"Pause", 0x21d },

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    {"MetaLeft", 0x15b },

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    {"MetaRight", 0x15c },

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    {"ContextMenu", 0x15d },

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};

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static EM_BOOL controller_emscripten_keyboard_handler(int event_type, const EmscriptenKeyboardEvent *key_event, UNUSED void *user_data) {

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    for (size_t i = 0; i < sizeof(keymap_browser) / sizeof(keymap_browser[0]); i++) {

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        if (strcmp(key_event->code, keymap_browser[i].code) == 0) {

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            if (event_type == EMSCRIPTEN_EVENT_KEYDOWN) {

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                return keyboard_on_key_down(keymap_browser[i].scancode);

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            } else if (event_type == EMSCRIPTEN_EVENT_KEYUP) {

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                return keyboard_on_key_up(keymap_browser[i].scancode);

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            }

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            break;

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        }

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    }

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    return EM_FALSE;

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}

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static EM_BOOL controller_emscripten_keyboard_blur_handler(UNUSED int event_type, UNUSED const EmscriptenFocusEvent *focus_event, UNUSED void *user_data) {

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    keyboard_on_all_keys_up();

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    return EM_TRUE;

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}

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void controller_emscripten_keyboard_init(void) {

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    // Should be #window according to docs, but that crashes

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    const char *target = EMSCRIPTEN_EVENT_TARGET_WINDOW;

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    emscripten_set_keydown_callback(target, NULL, EM_FALSE, controller_emscripten_keyboard_handler);

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    emscripten_set_keyup_callback(target, NULL, EM_FALSE, controller_emscripten_keyboard_handler);

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    emscripten_set_blur_callback(target, NULL, EM_FALSE, controller_emscripten_keyboard_blur_handler);

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}

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#endif

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