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library_glfw.js
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library_glfw.js
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/**
* @license
* Copyright 2013 The Emscripten Authors
* SPDX-License-Identifier: MIT
*/
/*
* EMSCRIPTEN GLFW 2.x-3.x emulation.
* It tries to emulate the behavior described in
* http://www.glfw.org/docs/latest/
*
* This also implements parts of GLFW 2.x on top of GLFW 3.x.
*
* What it does:
* - Creates a GL context.
* - Manage keyboard and mouse events.
* - GL Extensions support.
*
* What it does not but should probably do:
* - Transmit events when glfwPollEvents, glfwWaitEvents or glfwSwapBuffers is
* called. Events callbacks are called as soon as event are received.
* - Input modes.
* - Gamma ramps.
* - Video modes.
* - Monitors.
* - Clipboard (not possible from javascript?).
* - Multiple windows.
* - Error codes && messages through callback.
* - Thread emulation. (removed in GLFW3).
* - Image/Texture I/O support (removed in GLFW 3).
*
* Authors:
* - Jari Vetoniemi <mailroxas@gmail.com>
* - Éloi Rivard <eloi.rivard@gmail.com>
* - Thomas Borsos <thomasborsos@gmail.com>
*/
var LibraryGLFW = {
$GLFW_Window__docs: '/** @constructor */',
$GLFW_Window: function(id, width, height, title, monitor, share) {
this.id = id;
this.x = 0;
this.y = 0;
this.fullscreen = false; // Used to determine if app in fullscreen mode
this.storedX = 0; // Used to store X before fullscreen
this.storedY = 0; // Used to store Y before fullscreen
this.width = width;
this.height = height;
this.storedWidth = width; // Used to store width before fullscreen
this.storedHeight = height; // Used to store height before fullscreen
this.title = title;
this.monitor = monitor;
this.share = share;
this.attributes = GLFW.hints;
this.inputModes = {
0x00033001:0x00034001, // GLFW_CURSOR (GLFW_CURSOR_NORMAL)
0x00033002:0, // GLFW_STICKY_KEYS
0x00033003:0, // GLFW_STICKY_MOUSE_BUTTONS
};
this.buttons = 0;
this.keys = new Array();
this.domKeys = new Array();
this.shouldClose = 0;
this.title = null;
this.windowPosFunc = null; // GLFWwindowposfun
this.windowSizeFunc = null; // GLFWwindowsizefun
this.windowCloseFunc = null; // GLFWwindowclosefun
this.windowRefreshFunc = null; // GLFWwindowrefreshfun
this.windowFocusFunc = null; // GLFWwindowfocusfun
this.windowIconifyFunc = null; // GLFWwindowiconifyfun
this.windowMaximizeFunc = null; // GLFWwindowmaximizefun
this.framebufferSizeFunc = null; // GLFWframebuffersizefun
this.windowContentScaleFunc = null; // GLFWwindowcontentscalefun
this.mouseButtonFunc = null; // GLFWmousebuttonfun
this.cursorPosFunc = null; // GLFWcursorposfun
this.cursorEnterFunc = null; // GLFWcursorenterfun
this.scrollFunc = null; // GLFWscrollfun
this.dropFunc = null; // GLFWdropfun
this.keyFunc = null; // GLFWkeyfun
this.charFunc = null; // GLFWcharfun
this.userptr = null;
},
$GLFW__deps: ['emscripten_get_now', '$GL', '$Browser', '$GLFW_Window',
'$stringToNewUTF8',
#if FILESYSTEM
'$FS',
#endif
],
$GLFW: {
WindowFromId: function(id) {
if (id <= 0 || !GLFW.windows) return null;
return GLFW.windows[id - 1];
},
joystickFunc: null, // GLFWjoystickfun
errorFunc: null, // GLFWerrorfun
monitorFunc: null, // GLFWmonitorfun
active: null, // active window
scale: null,
windows: null,
monitors: null,
monitorString: null,
versionString: null,
initialTime: null,
extensions: null,
hints: null,
defaultHints: {
0x00020001:0, // GLFW_FOCUSED
0x00020002:0, // GLFW_ICONIFIED
0x00020003:1, // GLFW_RESIZABLE
0x00020004:1, // GLFW_VISIBLE
0x00020005:1, // GLFW_DECORATED
0x0002000A:0, // GLFW_TRANSPARENT_FRAMEBUFFER
0x0002200C:0, // GLFW_SCALE_TO_MONITOR. can we emulate this?
0x00021001:8, // GLFW_RED_BITS
0x00021002:8, // GLFW_GREEN_BITS
0x00021003:8, // GLFW_BLUE_BITS
0x00021004:8, // GLFW_ALPHA_BITS
0x00021005:24, // GLFW_DEPTH_BITS
0x00021006:8, // GLFW_STENCIL_BITS
0x00021007:0, // GLFW_ACCUM_RED_BITS
0x00021008:0, // GLFW_ACCUM_GREEN_BITS
0x00021009:0, // GLFW_ACCUM_BLUE_BITS
0x0002100A:0, // GLFW_ACCUM_ALPHA_BITS
0x0002100B:0, // GLFW_AUX_BUFFERS
0x0002100C:0, // GLFW_STEREO
0x0002100D:0, // GLFW_SAMPLES
0x0002100E:0, // GLFW_SRGB_CAPABLE
0x0002100F:0, // GLFW_REFRESH_RATE
0x00022001:0x00030001, // GLFW_CLIENT_API (GLFW_OPENGL_API)
0x00022002:1, // GLFW_CONTEXT_VERSION_MAJOR
0x00022003:0, // GLFW_CONTEXT_VERSION_MINOR
0x00022004:0, // GLFW_CONTEXT_REVISION
0x00022005:0, // GLFW_CONTEXT_ROBUSTNESS
0x00022006:0, // GLFW_OPENGL_FORWARD_COMPAT
0x00022007:0, // GLFW_OPENGL_DEBUG_CONTEXT
0x00022008:0, // GLFW_OPENGL_PROFILE
},
/*******************************************************************************
* DOM EVENT CALLBACKS
******************************************************************************/
/* https://developer.mozilla.org/en/Document_Object_Model_%28DOM%29/KeyboardEvent and GLFW/glfw3.h */
DOMToGLFWKeyCode: function(keycode) {
switch (keycode) {
// these keycodes are only defined for GLFW3, assume they are the same for GLFW2
case 0x20:return 32; // DOM_VK_SPACE -> GLFW_KEY_SPACE
case 0xDE:return 39; // DOM_VK_QUOTE -> GLFW_KEY_APOSTROPHE
case 0xBC:return 44; // DOM_VK_COMMA -> GLFW_KEY_COMMA
case 0xAD:return 45; // DOM_VK_HYPHEN_MINUS -> GLFW_KEY_MINUS
case 0xBD:return 45; // DOM_VK_MINUS -> GLFW_KEY_MINUS
case 0xBE:return 46; // DOM_VK_PERIOD -> GLFW_KEY_PERIOD
case 0xBF:return 47; // DOM_VK_SLASH -> GLFW_KEY_SLASH
case 0x30:return 48; // DOM_VK_0 -> GLFW_KEY_0
case 0x31:return 49; // DOM_VK_1 -> GLFW_KEY_1
case 0x32:return 50; // DOM_VK_2 -> GLFW_KEY_2
case 0x33:return 51; // DOM_VK_3 -> GLFW_KEY_3
case 0x34:return 52; // DOM_VK_4 -> GLFW_KEY_4
case 0x35:return 53; // DOM_VK_5 -> GLFW_KEY_5
case 0x36:return 54; // DOM_VK_6 -> GLFW_KEY_6
case 0x37:return 55; // DOM_VK_7 -> GLFW_KEY_7
case 0x38:return 56; // DOM_VK_8 -> GLFW_KEY_8
case 0x39:return 57; // DOM_VK_9 -> GLFW_KEY_9
case 0x3B:return 59; // DOM_VK_SEMICOLON -> GLFW_KEY_SEMICOLON
case 0x3D:return 61; // DOM_VK_EQUALS -> GLFW_KEY_EQUAL
case 0xBB:return 61; // DOM_VK_EQUALS -> GLFW_KEY_EQUAL
case 0x41:return 65; // DOM_VK_A -> GLFW_KEY_A
case 0x42:return 66; // DOM_VK_B -> GLFW_KEY_B
case 0x43:return 67; // DOM_VK_C -> GLFW_KEY_C
case 0x44:return 68; // DOM_VK_D -> GLFW_KEY_D
case 0x45:return 69; // DOM_VK_E -> GLFW_KEY_E
case 0x46:return 70; // DOM_VK_F -> GLFW_KEY_F
case 0x47:return 71; // DOM_VK_G -> GLFW_KEY_G
case 0x48:return 72; // DOM_VK_H -> GLFW_KEY_H
case 0x49:return 73; // DOM_VK_I -> GLFW_KEY_I
case 0x4A:return 74; // DOM_VK_J -> GLFW_KEY_J
case 0x4B:return 75; // DOM_VK_K -> GLFW_KEY_K
case 0x4C:return 76; // DOM_VK_L -> GLFW_KEY_L
case 0x4D:return 77; // DOM_VK_M -> GLFW_KEY_M
case 0x4E:return 78; // DOM_VK_N -> GLFW_KEY_N
case 0x4F:return 79; // DOM_VK_O -> GLFW_KEY_O
case 0x50:return 80; // DOM_VK_P -> GLFW_KEY_P
case 0x51:return 81; // DOM_VK_Q -> GLFW_KEY_Q
case 0x52:return 82; // DOM_VK_R -> GLFW_KEY_R
case 0x53:return 83; // DOM_VK_S -> GLFW_KEY_S
case 0x54:return 84; // DOM_VK_T -> GLFW_KEY_T
case 0x55:return 85; // DOM_VK_U -> GLFW_KEY_U
case 0x56:return 86; // DOM_VK_V -> GLFW_KEY_V
case 0x57:return 87; // DOM_VK_W -> GLFW_KEY_W
case 0x58:return 88; // DOM_VK_X -> GLFW_KEY_X
case 0x59:return 89; // DOM_VK_Y -> GLFW_KEY_Y
case 0x5a:return 90; // DOM_VK_Z -> GLFW_KEY_Z
case 0xDB:return 91; // DOM_VK_OPEN_BRACKET -> GLFW_KEY_LEFT_BRACKET
case 0xDC:return 92; // DOM_VK_BACKSLASH -> GLFW_KEY_BACKSLASH
case 0xDD:return 93; // DOM_VK_CLOSE_BRACKET -> GLFW_KEY_RIGHT_BRACKET
case 0xC0:return 96; // DOM_VK_BACK_QUOTE -> GLFW_KEY_GRAVE_ACCENT
#if USE_GLFW == 2
//#define GLFW_KEY_SPECIAL 256
case 0x1B:return (256+1); // DOM_VK_ESCAPE -> GLFW_KEY_ESC
case 0x70:return (256+2); // DOM_VK_F1 -> GLFW_KEY_F1
case 0x71:return (256+3); // DOM_VK_F2 -> GLFW_KEY_F2
case 0x72:return (256+4); // DOM_VK_F3 -> GLFW_KEY_F3
case 0x73:return (256+5); // DOM_VK_F4 -> GLFW_KEY_F4
case 0x74:return (256+6); // DOM_VK_F5 -> GLFW_KEY_F5
case 0x75:return (256+7); // DOM_VK_F6 -> GLFW_KEY_F6
case 0x76:return (256+8); // DOM_VK_F7 -> GLFW_KEY_F7
case 0x77:return (256+9); // DOM_VK_F8 -> GLFW_KEY_F8
case 0x78:return (256+10); // DOM_VK_F9 -> GLFW_KEY_F9
case 0x79:return (256+11); // DOM_VK_F10 -> GLFW_KEY_F10
case 0x7A:return (256+12); // DOM_VK_F11 -> GLFW_KEY_F11
case 0x7B:return (256+13); // DOM_VK_F12 -> GLFW_KEY_F12
case 0x7C:return (256+14); // DOM_VK_F13 -> GLFW_KEY_F13
case 0x7D:return (256+15); // DOM_VK_F14 -> GLFW_KEY_F14
case 0x7E:return (256+16); // DOM_VK_F15 -> GLFW_KEY_F15
case 0x7F:return (256+17); // DOM_VK_F16 -> GLFW_KEY_F16
case 0x80:return (256+18); // DOM_VK_F17 -> GLFW_KEY_F17
case 0x81:return (256+19); // DOM_VK_F18 -> GLFW_KEY_F18
case 0x82:return (256+20); // DOM_VK_F19 -> GLFW_KEY_F19
case 0x83:return (256+21); // DOM_VK_F20 -> GLFW_KEY_F20
case 0x84:return (256+22); // DOM_VK_F21 -> GLFW_KEY_F21
case 0x85:return (256+23); // DOM_VK_F22 -> GLFW_KEY_F22
case 0x86:return (256+24); // DOM_VK_F23 -> GLFW_KEY_F23
case 0x87:return (256+25); // DOM_VK_F24 -> GLFW_KEY_F24
case 0x88:return (256+26); // 0x88 (not used?) -> GLFW_KEY_F25
case 0x27:return (256+30); // DOM_VK_RIGHT -> GLFW_KEY_RIGHT
case 0x25:return (256+29); // DOM_VK_LEFT -> GLFW_KEY_LEFT
case 0x28:return (256+28); // DOM_VK_DOWN -> GLFW_KEY_DOWN
case 0x26:return (256+27); // DOM_VK_UP -> GLFW_KEY_UP
case 0x10:return (256+31); // DOM_VK_SHIFT -> GLFW_KEY_LSHIFT
// #define GLFW_KEY_RSHIFT (GLFW_KEY_SPECIAL+32)
case 0x11:return (256+33); // DOM_VK_CONTROL -> GLFW_KEY_LCTRL
// #define GLFW_KEY_RCTRL (GLFW_KEY_SPECIAL+34)
case 0x12:return (256+35); // DOM_VK_ALT -> GLFW_KEY_LALT
// #define GLFW_KEY_RALT (GLFW_KEY_SPECIAL+36)
case 0x09:return (256+37); // DOM_VK_TAB -> GLFW_KEY_TAB
case 0x0D:return (256+38); // DOM_VK_RETURN -> GLFW_KEY_ENTER
case 0x08:return (256+39); // DOM_VK_BACK -> GLFW_KEY_BACKSPACE
case 0x2D:return (256+40); // DOM_VK_INSERT -> GLFW_KEY_INSERT
case 0x2E:return (256+41); // DOM_VK_DELETE -> GLFW_KEY_DEL
case 0x21:return (256+42); // DOM_VK_PAGE_UP -> GLFW_KEY_PAGEUP
case 0x22:return (256+43); // DOM_VK_PAGE_DOWN -> GLFW_KEY_PAGEDOWN
case 0x24:return (256+44); // DOM_VK_HOME -> GLFW_KEY_HOME
case 0x23:return (256+45); // DOM_VK_END -> GLFW_KEY_END
case 0x60:return (256+46); // DOM_VK_NUMPAD0 -> GLFW_KEY_KP_0
case 0x61:return (256+47); // DOM_VK_NUMPAD1 -> GLFW_KEY_KP_1
case 0x62:return (256+48); // DOM_VK_NUMPAD2 -> GLFW_KEY_KP_2
case 0x63:return (256+49); // DOM_VK_NUMPAD3 -> GLFW_KEY_KP_3
case 0x64:return (256+50); // DOM_VK_NUMPAD4 -> GLFW_KEY_KP_4
case 0x65:return (256+51); // DOM_VK_NUMPAD5 -> GLFW_KEY_KP_5
case 0x66:return (256+52); // DOM_VK_NUMPAD6 -> GLFW_KEY_KP_6
case 0x67:return (256+53); // DOM_VK_NUMPAD7 -> GLFW_KEY_KP_7
case 0x68:return (256+54); // DOM_VK_NUMPAD8 -> GLFW_KEY_KP_8
case 0x69:return (256+55); // DOM_VK_NUMPAD9 -> GLFW_KEY_KP_9
case 0x6F:return (256+56); // DOM_VK_DIVIDE -> GLFW_KEY_KP_DIVIDE
case 0x6A:return (256+57); // DOM_VK_MULTIPLY -> GLFW_KEY_KP_MULTIPLY
case 0x6D:return (256+58); // DOM_VK_SUBTRACT -> GLFW_KEY_KP_SUBTRACT
case 0x6B:return (256+59); // DOM_VK_ADD -> GLFW_KEY_KP_ADD
case 0x6E:return (256+60); // DOM_VK_DECIMAL -> GLFW_KEY_KP_DECIMAL
// #define GLFW_KEY_KP_EQUAL (GLFW_KEY_SPECIAL+61)
// #define GLFW_KEY_KP_ENTER (GLFW_KEY_SPECIAL+62)
case 0x90:return (256+63); // DOM_VK_NUM_LOCK -> GLFW_KEY_KP_NUM_LOCK
case 0x14:return (256+64); // DOM_VK_CAPS_LOCK -> GLFW_KEY_CAPS_LOCK
case 0x91:return (256+65); // DOM_VK_SCROLL_LOCK -> GLFW_KEY_SCROLL_LOCK
case 0x13:return (256+66); // DOM_VK_PAUSE -> GLFW_KEY_PAUSE
case 0x5B:return (256+67); // DOM_VK_WIN -> GLFW_KEY_LSUPER
// #define GLFW_KEY_RSUPER (GLFW_KEY_SPECIAL+68)
case 0x5D:return (256+69); // DOM_VK_CONTEXT_MENU -> GLFW_KEY_MENU
#endif
#if USE_GLFW == 3
case 0x1B:return 256; // DOM_VK_ESCAPE -> GLFW_KEY_ESCAPE
case 0x0D:return 257; // DOM_VK_RETURN -> GLFW_KEY_ENTER
case 0x09:return 258; // DOM_VK_TAB -> GLFW_KEY_TAB
case 0x08:return 259; // DOM_VK_BACK -> GLFW_KEY_BACKSPACE
case 0x2D:return 260; // DOM_VK_INSERT -> GLFW_KEY_INSERT
case 0x2E:return 261; // DOM_VK_DELETE -> GLFW_KEY_DELETE
case 0x27:return 262; // DOM_VK_RIGHT -> GLFW_KEY_RIGHT
case 0x25:return 263; // DOM_VK_LEFT -> GLFW_KEY_LEFT
case 0x28:return 264; // DOM_VK_DOWN -> GLFW_KEY_DOWN
case 0x26:return 265; // DOM_VK_UP -> GLFW_KEY_UP
case 0x21:return 266; // DOM_VK_PAGE_UP -> GLFW_KEY_PAGE_UP
case 0x22:return 267; // DOM_VK_PAGE_DOWN -> GLFW_KEY_PAGE_DOWN
case 0x24:return 268; // DOM_VK_HOME -> GLFW_KEY_HOME
case 0x23:return 269; // DOM_VK_END -> GLFW_KEY_END
case 0x14:return 280; // DOM_VK_CAPS_LOCK -> GLFW_KEY_CAPS_LOCK
case 0x91:return 281; // DOM_VK_SCROLL_LOCK -> GLFW_KEY_SCROLL_LOCK
case 0x90:return 282; // DOM_VK_NUM_LOCK -> GLFW_KEY_NUM_LOCK
case 0x2C:return 283; // DOM_VK_SNAPSHOT -> GLFW_KEY_PRINT_SCREEN
case 0x13:return 284; // DOM_VK_PAUSE -> GLFW_KEY_PAUSE
case 0x70:return 290; // DOM_VK_F1 -> GLFW_KEY_F1
case 0x71:return 291; // DOM_VK_F2 -> GLFW_KEY_F2
case 0x72:return 292; // DOM_VK_F3 -> GLFW_KEY_F3
case 0x73:return 293; // DOM_VK_F4 -> GLFW_KEY_F4
case 0x74:return 294; // DOM_VK_F5 -> GLFW_KEY_F5
case 0x75:return 295; // DOM_VK_F6 -> GLFW_KEY_F6
case 0x76:return 296; // DOM_VK_F7 -> GLFW_KEY_F7
case 0x77:return 297; // DOM_VK_F8 -> GLFW_KEY_F8
case 0x78:return 298; // DOM_VK_F9 -> GLFW_KEY_F9
case 0x79:return 299; // DOM_VK_F10 -> GLFW_KEY_F10
case 0x7A:return 300; // DOM_VK_F11 -> GLFW_KEY_F11
case 0x7B:return 301; // DOM_VK_F12 -> GLFW_KEY_F12
case 0x7C:return 302; // DOM_VK_F13 -> GLFW_KEY_F13
case 0x7D:return 303; // DOM_VK_F14 -> GLFW_KEY_F14
case 0x7E:return 304; // DOM_VK_F15 -> GLFW_KEY_F15
case 0x7F:return 305; // DOM_VK_F16 -> GLFW_KEY_F16
case 0x80:return 306; // DOM_VK_F17 -> GLFW_KEY_F17
case 0x81:return 307; // DOM_VK_F18 -> GLFW_KEY_F18
case 0x82:return 308; // DOM_VK_F19 -> GLFW_KEY_F19
case 0x83:return 309; // DOM_VK_F20 -> GLFW_KEY_F20
case 0x84:return 310; // DOM_VK_F21 -> GLFW_KEY_F21
case 0x85:return 311; // DOM_VK_F22 -> GLFW_KEY_F22
case 0x86:return 312; // DOM_VK_F23 -> GLFW_KEY_F23
case 0x87:return 313; // DOM_VK_F24 -> GLFW_KEY_F24
case 0x88:return 314; // 0x88 (not used?) -> GLFW_KEY_F25
case 0x60:return 320; // DOM_VK_NUMPAD0 -> GLFW_KEY_KP_0
case 0x61:return 321; // DOM_VK_NUMPAD1 -> GLFW_KEY_KP_1
case 0x62:return 322; // DOM_VK_NUMPAD2 -> GLFW_KEY_KP_2
case 0x63:return 323; // DOM_VK_NUMPAD3 -> GLFW_KEY_KP_3
case 0x64:return 324; // DOM_VK_NUMPAD4 -> GLFW_KEY_KP_4
case 0x65:return 325; // DOM_VK_NUMPAD5 -> GLFW_KEY_KP_5
case 0x66:return 326; // DOM_VK_NUMPAD6 -> GLFW_KEY_KP_6
case 0x67:return 327; // DOM_VK_NUMPAD7 -> GLFW_KEY_KP_7
case 0x68:return 328; // DOM_VK_NUMPAD8 -> GLFW_KEY_KP_8
case 0x69:return 329; // DOM_VK_NUMPAD9 -> GLFW_KEY_KP_9
case 0x6E:return 330; // DOM_VK_DECIMAL -> GLFW_KEY_KP_DECIMAL
case 0x6F:return 331; // DOM_VK_DIVIDE -> GLFW_KEY_KP_DIVIDE
case 0x6A:return 332; // DOM_VK_MULTIPLY -> GLFW_KEY_KP_MULTIPLY
case 0x6D:return 333; // DOM_VK_SUBTRACT -> GLFW_KEY_KP_SUBTRACT
case 0x6B:return 334; // DOM_VK_ADD -> GLFW_KEY_KP_ADD
// case 0x0D:return 335; // DOM_VK_RETURN -> GLFW_KEY_KP_ENTER (DOM_KEY_LOCATION_RIGHT)
// case 0x61:return 336; // DOM_VK_EQUALS -> GLFW_KEY_KP_EQUAL (DOM_KEY_LOCATION_RIGHT)
case 0x10:return 340; // DOM_VK_SHIFT -> GLFW_KEY_LEFT_SHIFT
case 0x11:return 341; // DOM_VK_CONTROL -> GLFW_KEY_LEFT_CONTROL
case 0x12:return 342; // DOM_VK_ALT -> GLFW_KEY_LEFT_ALT
case 0x5B:return 343; // DOM_VK_WIN -> GLFW_KEY_LEFT_SUPER
// case 0x10:return 344; // DOM_VK_SHIFT -> GLFW_KEY_RIGHT_SHIFT (DOM_KEY_LOCATION_RIGHT)
// case 0x11:return 345; // DOM_VK_CONTROL -> GLFW_KEY_RIGHT_CONTROL (DOM_KEY_LOCATION_RIGHT)
// case 0x12:return 346; // DOM_VK_ALT -> GLFW_KEY_RIGHT_ALT (DOM_KEY_LOCATION_RIGHT)
// case 0x5B:return 347; // DOM_VK_WIN -> GLFW_KEY_RIGHT_SUPER (DOM_KEY_LOCATION_RIGHT)
case 0x5D:return 348; // DOM_VK_CONTEXT_MENU -> GLFW_KEY_MENU
// XXX: GLFW_KEY_WORLD_1, GLFW_KEY_WORLD_2 what are these?
#endif
default:return -1; // GLFW_KEY_UNKNOWN
};
},
getModBits: function(win) {
var mod = 0;
if (win.keys[340]) mod |= 0x0001; // GLFW_MOD_SHIFT
if (win.keys[341]) mod |= 0x0002; // GLFW_MOD_CONTROL
if (win.keys[342]) mod |= 0x0004; // GLFW_MOD_ALT
if (win.keys[343]) mod |= 0x0008; // GLFW_MOD_SUPER
// add caps and num lock keys? only if lock_key_mod is set
return mod;
},
onKeyPress: function(event) {
if (!GLFW.active || !GLFW.active.charFunc) return;
if (event.ctrlKey || event.metaKey) return;
// correct unicode charCode is only available with onKeyPress event
var charCode = event.charCode;
if (charCode == 0 || (charCode >= 0x00 && charCode <= 0x1F)) return;
#if USE_GLFW == 2
{{{ makeDynCall('vii', 'GLFW.active.charFunc') }}}(charCode, 1);
#endif
#if USE_GLFW == 3
{{{ makeDynCall('vii', 'GLFW.active.charFunc') }}}(GLFW.active.id, charCode);
#endif
},
onKeyChanged: function(keyCode, status) {
if (!GLFW.active) return;
var key = GLFW.DOMToGLFWKeyCode(keyCode);
if (key == -1) return;
#if USE_GLFW == 3
var repeat = status && GLFW.active.keys[key];
#endif
GLFW.active.keys[key] = status;
GLFW.active.domKeys[keyCode] = status;
if (GLFW.active.keyFunc) {
#if USE_GLFW == 2
{{{ makeDynCall('vii', 'GLFW.active.keyFunc') }}}(key, status);
#endif
#if USE_GLFW == 3
if (repeat) status = 2; // GLFW_REPEAT
{{{ makeDynCall('viiiii', 'GLFW.active.keyFunc') }}}(GLFW.active.id, key, keyCode, status, GLFW.getModBits(GLFW.active));
#endif
}
},
onGamepadConnected: function(event) {
GLFW.refreshJoysticks();
},
onGamepadDisconnected: function(event) {
GLFW.refreshJoysticks();
},
onKeydown: function(event) {
GLFW.onKeyChanged(event.keyCode, 1); // GLFW_PRESS or GLFW_REPEAT
// This logic comes directly from the sdl implementation. We cannot
// call preventDefault on all keydown events otherwise onKeyPress will
// not get called
if (event.keyCode === 8 /* backspace */ || event.keyCode === 9 /* tab */) {
event.preventDefault();
}
},
onKeyup: function(event) {
GLFW.onKeyChanged(event.keyCode, 0); // GLFW_RELEASE
},
onBlur: function(event) {
if (!GLFW.active) return;
for (var i = 0; i < GLFW.active.domKeys.length; ++i) {
if (GLFW.active.domKeys[i]) {
GLFW.onKeyChanged(i, 0); // GLFW_RELEASE
}
}
},
onMousemove: function(event) {
if (!GLFW.active) return;
Browser.calculateMouseEvent(event);
if (event.target != Module["canvas"] || !GLFW.active.cursorPosFunc) return;
if (GLFW.active.cursorPosFunc) {
#if USE_GLFW == 2
{{{ makeDynCall('vii', 'GLFW.active.cursorPosFunc') }}}(Browser.mouseX, Browser.mouseY);
#endif
#if USE_GLFW == 3
{{{ makeDynCall('vidd', 'GLFW.active.cursorPosFunc') }}}(GLFW.active.id, Browser.mouseX, Browser.mouseY);
#endif
}
},
DOMToGLFWMouseButton: function(event) {
// DOM and glfw have different button codes.
// See http://www.w3schools.com/jsref/event_button.asp.
var eventButton = event['button'];
if (eventButton > 0) {
if (eventButton == 1) {
eventButton = 2;
} else {
eventButton = 1;
}
}
return eventButton;
},
onMouseenter: function(event) {
if (!GLFW.active) return;
if (event.target != Module["canvas"]) return;
#if USE_GLFW == 3
if (GLFW.active.cursorEnterFunc) {
{{{ makeDynCall('vii', 'GLFW.active.cursorEnterFunc') }}}(GLFW.active.id, 1);
}
#endif
},
onMouseleave: function(event) {
if (!GLFW.active) return;
if (event.target != Module["canvas"]) return;
#if USE_GLFW == 3
if (GLFW.active.cursorEnterFunc) {
{{{ makeDynCall('vii', 'GLFW.active.cursorEnterFunc') }}}(GLFW.active.id, 0);
}
#endif
},
onMouseButtonChanged: function(event, status) {
if (!GLFW.active) return;
Browser.calculateMouseEvent(event);
if (event.target != Module["canvas"]) return;
var eventButton = GLFW.DOMToGLFWMouseButton(event);
if (status == 1) { // GLFW_PRESS
GLFW.active.buttons |= (1 << eventButton);
try {
event.target.setCapture();
} catch (e) {}
} else { // GLFW_RELEASE
GLFW.active.buttons &= ~(1 << eventButton);
}
if (GLFW.active.mouseButtonFunc) {
#if USE_GLFW == 2
{{{ makeDynCall('vii', 'GLFW.active.mouseButtonFunc') }}}(eventButton, status);
#endif
#if USE_GLFW == 3
{{{ makeDynCall('viiii', 'GLFW.active.mouseButtonFunc') }}}(GLFW.active.id, eventButton, status, GLFW.getModBits(GLFW.active));
#endif
}
},
onMouseButtonDown: function(event) {
if (!GLFW.active) return;
GLFW.onMouseButtonChanged(event, 1); // GLFW_PRESS
},
onMouseButtonUp: function(event) {
if (!GLFW.active) return;
GLFW.onMouseButtonChanged(event, 0); // GLFW_RELEASE
},
onMouseWheel: function(event) {
// Note the minus sign that flips browser wheel direction (positive direction scrolls page down) to native wheel direction (positive direction is mouse wheel up)
var delta = -Browser.getMouseWheelDelta(event);
delta = (delta == 0) ? 0 : (delta > 0 ? Math.max(delta, 1) : Math.min(delta, -1)); // Quantize to integer so that minimum scroll is at least +/- 1.
GLFW.wheelPos += delta;
if (!GLFW.active || !GLFW.active.scrollFunc || event.target != Module['canvas']) return;
#if USE_GLFW == 2
{{{ makeDynCall('vi', 'GLFW.active.scrollFunc') }}}(GLFW.wheelPos);
#endif
#if USE_GLFW == 3
var sx = 0;
var sy = delta;
if (event.type == 'mousewheel') {
sx = event.wheelDeltaX;
} else {
sx = event.deltaX;
}
{{{ makeDynCall('vidd', 'GLFW.active.scrollFunc') }}}(GLFW.active.id, sx, sy);
#endif
event.preventDefault();
},
onCanvasResize: function(width, height) {
if (!GLFW.active) return;
var resizeNeeded = true;
// If the client is requesting fullscreen mode
if (document["fullscreen"] || document["fullScreen"] || document["mozFullScreen"] || document["webkitIsFullScreen"]) {
GLFW.active.storedX = GLFW.active.x;
GLFW.active.storedY = GLFW.active.y;
GLFW.active.storedWidth = GLFW.active.width;
GLFW.active.storedHeight = GLFW.active.height;
GLFW.active.x = GLFW.active.y = 0;
GLFW.active.width = screen.width;
GLFW.active.height = screen.height;
GLFW.active.fullscreen = true;
// If the client is reverting from fullscreen mode
} else if (GLFW.active.fullscreen == true) {
GLFW.active.x = GLFW.active.storedX;
GLFW.active.y = GLFW.active.storedY;
GLFW.active.width = GLFW.active.storedWidth;
GLFW.active.height = GLFW.active.storedHeight;
GLFW.active.fullscreen = false;
// If the width/height values do not match current active window sizes
} else if (GLFW.active.width != width || GLFW.active.height != height) {
GLFW.active.width = width;
GLFW.active.height = height;
} else {
resizeNeeded = false;
}
// If any of the above conditions were true, we need to resize the canvas
if (resizeNeeded) {
// resets the canvas size to counter the aspect preservation of Browser.updateCanvasDimensions
Browser.setCanvasSize(GLFW.active.width, GLFW.active.height, true);
// TODO: Client dimensions (clientWidth/clientHeight) vs pixel dimensions (width/height) of
// the canvas should drive window and framebuffer size respectfully.
GLFW.onWindowSizeChanged();
GLFW.onFramebufferSizeChanged();
}
},
onWindowSizeChanged: function() {
if (!GLFW.active) return;
if (GLFW.active.windowSizeFunc) {
#if USE_GLFW == 2
{{{ makeDynCall('vii', 'GLFW.active.windowSizeFunc') }}}(GLFW.active.width, GLFW.active.height);
#endif
#if USE_GLFW == 3
{{{ makeDynCall('viii', 'GLFW.active.windowSizeFunc') }}}(GLFW.active.id, GLFW.active.width, GLFW.active.height);
#endif
}
},
onFramebufferSizeChanged: function() {
if (!GLFW.active) return;
#if USE_GLFW == 3
if (GLFW.active.framebufferSizeFunc) {
{{{ makeDynCall('viii', 'GLFW.active.framebufferSizeFunc') }}}(GLFW.active.id, GLFW.active.width, GLFW.active.height);
}
#endif
},
onWindowContentScaleChanged: function(scale) {
GLFW.scale = scale;
if (!GLFW.active) return;
#if USE_GLFW == 3
if (GLFW.active.windowContentScaleFunc) {
{{{ makeDynCall('viff', 'GLFW.active.windowContentScaleFunc') }}}(GLFW.active.id, GLFW.scale, GLFW.scale);
}
#endif
},
getTime: function() {
return _emscripten_get_now() / 1000;
},
/* GLFW2 wrapping */
setWindowTitle: function(winid, title) {
var win = GLFW.WindowFromId(winid);
if (!win) return;
win.title = UTF8ToString(title);
if (GLFW.active.id == win.id) {
document.title = win.title;
}
},
setJoystickCallback: function(cbfun) {
GLFW.joystickFunc = cbfun;
GLFW.refreshJoysticks();
},
joys: {}, // glfw joystick data
lastGamepadState: [],
lastGamepadStateFrame: null, // The integer value of Browser.mainLoop.currentFrameNumber of when the last gamepad state was produced.
refreshJoysticks: function() {
// Produce a new Gamepad API sample if we are ticking a new game frame, or if not using emscripten_set_main_loop() at all to drive animation.
if (Browser.mainLoop.currentFrameNumber !== GLFW.lastGamepadStateFrame || !Browser.mainLoop.currentFrameNumber) {
GLFW.lastGamepadState = navigator.getGamepads ? navigator.getGamepads() : (navigator.webkitGetGamepads ? navigator.webkitGetGamepads : []);
GLFW.lastGamepadStateFrame = Browser.mainLoop.currentFrameNumber;
for (var joy = 0; joy < GLFW.lastGamepadState.length; ++joy) {
var gamepad = GLFW.lastGamepadState[joy];
if (gamepad) {
if (!GLFW.joys[joy]) {
out('glfw joystick connected:',joy);
GLFW.joys[joy] = {
id: stringToNewUTF8(gamepad.id),
buttonsCount: gamepad.buttons.length,
axesCount: gamepad.axes.length,
buttons: _malloc(gamepad.buttons.length),
axes: _malloc(gamepad.axes.length*4),
};
if (GLFW.joystickFunc) {
{{{ makeDynCall('vii', 'GLFW.joystickFunc') }}}(joy, 0x00040001); // GLFW_CONNECTED
}
}
var data = GLFW.joys[joy];
for (var i = 0; i < gamepad.buttons.length; ++i) {
{{{ makeSetValue('data.buttons + i', '0', 'gamepad.buttons[i].pressed', 'i8') }}};
}
for (var i = 0; i < gamepad.axes.length; ++i) {
{{{ makeSetValue('data.axes + i*4', '0', 'gamepad.axes[i]', 'float') }}};
}
} else {
if (GLFW.joys[joy]) {
out('glfw joystick disconnected',joy);
if (GLFW.joystickFunc) {
{{{ makeDynCall('vii', 'GLFW.joystickFunc') }}}(joy, 0x00040002); // GLFW_DISCONNECTED
}
_free(GLFW.joys[joy].id);
_free(GLFW.joys[joy].buttons);
_free(GLFW.joys[joy].axes);
delete GLFW.joys[joy];
}
}
}
}
},
setKeyCallback: function(winid, cbfun) {
var win = GLFW.WindowFromId(winid);
if (!win) return null;
var prevcbfun = win.keyFunc;
win.keyFunc = cbfun;
return prevcbfun;
},
setCharCallback: function(winid, cbfun) {
var win = GLFW.WindowFromId(winid);
if (!win) return null;
var prevcbfun = win.charFunc;
win.charFunc = cbfun;
return prevcbfun;
},
setMouseButtonCallback: function(winid, cbfun) {
var win = GLFW.WindowFromId(winid);
if (!win) return null;
var prevcbfun = win.mouseButtonFunc;
win.mouseButtonFunc = cbfun;
return prevcbfun;
},
setCursorPosCallback: function(winid, cbfun) {
var win = GLFW.WindowFromId(winid);
if (!win) return null;
var prevcbfun = win.cursorPosFunc;
win.cursorPosFunc = cbfun;
return prevcbfun;
},
setScrollCallback: function(winid, cbfun) {
var win = GLFW.WindowFromId(winid);
if (!win) return null;
var prevcbfun = win.scrollFunc;
win.scrollFunc = cbfun;
return prevcbfun;
},
setDropCallback: function(winid, cbfun) {
var win = GLFW.WindowFromId(winid);
if (!win) return null;
var prevcbfun = win.dropFunc;
win.dropFunc = cbfun;
return prevcbfun;
},
onDrop: function(event) {
if (!GLFW.active || !GLFW.active.dropFunc) return;
if (!event.dataTransfer || !event.dataTransfer.files || event.dataTransfer.files.length == 0) return;
event.preventDefault();
#if FILESYSTEM
var filenames = _malloc(event.dataTransfer.files.length*4);
var filenamesArray = [];
var count = event.dataTransfer.files.length;
// Read and save the files to emscripten's FS
var written = 0;
var drop_dir = '.glfw_dropped_files';
FS.createPath('/', drop_dir);
function save(file) {
var path = '/' + drop_dir + '/' + file.name.replace(/\//g, '_');
var reader = new FileReader();
reader.onloadend = (e) => {
if (reader.readyState != 2) { // not DONE
++written;
out('failed to read dropped file: '+file.name+': '+reader.error);
return;
}
var data = e.target.result;
FS.writeFile(path, new Uint8Array(data));
if (++written === count) {
{{{ makeDynCall('viii', 'GLFW.active.dropFunc') }}}(GLFW.active.id, count, filenames);
for (var i = 0; i < filenamesArray.length; ++i) {
_free(filenamesArray[i]);
}
_free(filenames);
}
};
reader.readAsArrayBuffer(file);
var filename = stringToNewUTF8(path);
filenamesArray.push(filename);
{{{ makeSetValue('filenames + i*4', '0', 'filename', POINTER_TYPE) }}};
}
for (var i = 0; i < count; ++i) {
save(event.dataTransfer.files[i]);
}
#endif // FILESYSTEM
return false;
},
onDragover: function(event) {
if (!GLFW.active || !GLFW.active.dropFunc) return;
event.preventDefault();
return false;
},
setWindowSizeCallback: function(winid, cbfun) {
var win = GLFW.WindowFromId(winid);
if (!win) return null;
var prevcbfun = win.windowSizeFunc;
win.windowSizeFunc = cbfun;
#if USE_GLFW == 2
// As documented in GLFW2 API (http://www.glfw.org/GLFWReference27.pdf#page=22), when size
// callback function is set, it will be called with the current window size before this
// function returns.
// GLFW3 on the over hand doesn't have this behavior (https://github.com/glfw/glfw/issues/62).
if (!win.windowSizeFunc) return null;
{{{ makeDynCall('vii', 'win.windowSizeFunc') }}}(win.width, win.height);
#endif
return prevcbfun;
},
setWindowCloseCallback: function(winid, cbfun) {
var win = GLFW.WindowFromId(winid);
if (!win) return null;
var prevcbfun = win.windowCloseFunc;
win.windowCloseFunc = cbfun;
return prevcbfun;
},
setWindowRefreshCallback: function(winid, cbfun) {
var win = GLFW.WindowFromId(winid);
if (!win) return null;
var prevcbfun = win.windowRefreshFunc;
win.windowRefreshFunc = cbfun;
return prevcbfun;
},
onClickRequestPointerLock: function(e) {
if (!Browser.pointerLock && Module['canvas'].requestPointerLock) {
Module['canvas'].requestPointerLock();
e.preventDefault();
}
},
setInputMode: function(winid, mode, value) {
var win = GLFW.WindowFromId(winid);
if (!win) return;
switch (mode) {
case 0x00033001: { // GLFW_CURSOR
switch (value) {
case 0x00034001: { // GLFW_CURSOR_NORMAL
win.inputModes[mode] = value;
Module['canvas'].removeEventListener('click', GLFW.onClickRequestPointerLock, true);
Module['canvas'].exitPointerLock();
break;
}
case 0x00034002: { // GLFW_CURSOR_HIDDEN
out("glfwSetInputMode called with GLFW_CURSOR_HIDDEN value not implemented.");
break;
}
case 0x00034003: { // GLFW_CURSOR_DISABLED
win.inputModes[mode] = value;
Module['canvas'].addEventListener('click', GLFW.onClickRequestPointerLock, true);
Module['canvas'].requestPointerLock();
break;
}
default: {
out("glfwSetInputMode called with unknown value parameter value: " + value + ".");
break;
}
}
break;
}
case 0x00033002: { // GLFW_STICKY_KEYS
out("glfwSetInputMode called with GLFW_STICKY_KEYS mode not implemented.");
break;
}
case 0x00033003: { // GLFW_STICKY_MOUSE_BUTTONS
out("glfwSetInputMode called with GLFW_STICKY_MOUSE_BUTTONS mode not implemented.");
break;
}
case 0x00033004: { // GLFW_LOCK_KEY_MODS
out("glfwSetInputMode called with GLFW_LOCK_KEY_MODS mode not implemented.");
break;
}
case 0x000330005: { // GLFW_RAW_MOUSE_MOTION
out("glfwSetInputMode called with GLFW_RAW_MOUSE_MOTION mode not implemented.");
break;
}
default: {
out("glfwSetInputMode called with unknown mode parameter value: " + mode + ".");
break;
}
}
},
getKey: function(winid, key) {
var win = GLFW.WindowFromId(winid);
if (!win) return 0;
return win.keys[key];
},
getMouseButton: function(winid, button) {
var win = GLFW.WindowFromId(winid);
if (!win) return 0;
return (win.buttons & (1 << button)) > 0;
},
getCursorPos: function(winid, x, y) {
{{{ makeSetValue('x', '0', 'Browser.mouseX', 'double') }}};
{{{ makeSetValue('y', '0', 'Browser.mouseY', 'double') }}};
},
getMousePos: function(winid, x, y) {
{{{ makeSetValue('x', '0', 'Browser.mouseX', 'i32') }}};
{{{ makeSetValue('y', '0', 'Browser.mouseY', 'i32') }}};
},
setCursorPos: function(winid, x, y) {
},
getWindowPos: function(winid, x, y) {
var wx = 0;
var wy = 0;
var win = GLFW.WindowFromId(winid);
if (win) {
wx = win.x;
wy = win.y;
}
if (x) {
{{{ makeSetValue('x', '0', 'wx', 'i32') }}};
}
if (y) {
{{{ makeSetValue('y', '0', 'wy', 'i32') }}};
}
},
setWindowPos: function(winid, x, y) {
var win = GLFW.WindowFromId(winid);
if (!win) return;
win.x = x;
win.y = y;
},
getWindowSize: function(winid, width, height) {
var ww = 0;
var wh = 0;
var win = GLFW.WindowFromId(winid);
if (win) {
ww = win.width;
wh = win.height;
}
if (width) {
{{{ makeSetValue('width', '0', 'ww', 'i32') }}};
}
if (height) {
{{{ makeSetValue('height', '0', 'wh', 'i32') }}};
}
},
setWindowSize: function(winid, width, height) {
var win = GLFW.WindowFromId(winid);
if (!win) return;
if (GLFW.active.id == win.id) {
if (width == screen.width && height == screen.height) {
Browser.requestFullscreen();
} else {
Browser.exitFullscreen();
Browser.setCanvasSize(width, height);
win.width = width;
win.height = height;
}
}
if (win.windowSizeFunc) {
#if USE_GLFW == 2
{{{ makeDynCall('vii', 'win.windowSizeFunc') }}}(width, height);
#endif
#if USE_GLFW == 3
{{{ makeDynCall('viii', 'win.windowSizeFunc') }}}(win.id, width, height);
#endif
}