entry_glfw.cpp 20 KB

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  1. /*
  2. * Copyright 2011-2016 Branimir Karadzic. All rights reserved.
  3. * License: https://github.com/bkaradzic/bgfx#license-bsd-2-clause
  4. */
  5. #include "entry_p.h"
  6. #if ENTRY_CONFIG_USE_GLFW
  7. #define GLFW_INCLUDE_NONE
  8. #include <GLFW/glfw3.h>
  9. #if GLFW_VERSION_MINOR < 2
  10. # error "GLFW 3.2 or later is required"
  11. #endif // GLFW_VERSION_MINOR < 2
  12. #if BX_PLATFORM_LINUX || BX_PLATFORM_BSD
  13. # define GLFW_EXPOSE_NATIVE_X11
  14. # define GLFW_EXPOSE_NATIVE_GLX
  15. #elif BX_PLATFORM_OSX
  16. # define GLFW_EXPOSE_NATIVE_COCOA
  17. # define GLFW_EXPOSE_NATIVE_NSGL
  18. #elif BX_PLATFORM_WINDOWS
  19. # define GLFW_EXPOSE_NATIVE_WIN32
  20. # define GLFW_EXPOSE_NATIVE_WGL
  21. #endif //
  22. #include <GLFW/glfw3native.h>
  23. #include <bgfx/bgfxplatform.h>
  24. #include <bx/thread.h>
  25. #include <bx/handlealloc.h>
  26. #include <tinystl/string.h>
  27. #include "dbg.h"
  28. namespace entry
  29. {
  30. inline void glfwSetWindow(GLFWwindow* _window)
  31. {
  32. bgfx::PlatformData pd;
  33. # if BX_PLATFORM_LINUX || BX_PLATFORM_BSD
  34. pd.ndt = glfwGetX11Display();
  35. pd.nwh = (void*)(uintptr_t)glfwGetX11Window(_window);
  36. # elif BX_PLATFORM_OSX
  37. pd.ndt = NULL;
  38. pd.nwh = glfwGetCocoaWindow(_window);
  39. # elif BX_PLATFORM_WINDOWS
  40. pd.ndt = NULL;
  41. pd.nwh = glfwGetWin32Window(_window);
  42. pd.context = NULL;
  43. # endif // BX_PLATFORM_WINDOWS
  44. pd.backBuffer = NULL;
  45. pd.backBufferDS = NULL;
  46. bgfx::setPlatformData(pd);
  47. }
  48. static uint8_t translateKeyModifiers(int _glfw)
  49. {
  50. uint8_t modifiers = 0;
  51. if (_glfw & GLFW_MOD_ALT)
  52. modifiers |= Modifier::LeftAlt | Modifier::RightAlt;
  53. if (_glfw & GLFW_MOD_CONTROL)
  54. modifiers |= Modifier::LeftCtrl | Modifier::RightCtrl;
  55. if (_glfw & GLFW_MOD_SUPER)
  56. modifiers |= Modifier::LeftMeta | Modifier::RightMeta;
  57. if (_glfw & GLFW_MOD_SHIFT)
  58. modifiers |= Modifier::LeftShift | Modifier::RightShift;
  59. return modifiers;
  60. }
  61. static Key::Enum s_translateKey[GLFW_KEY_LAST + 1];
  62. static Key::Enum translateKey(int _key)
  63. {
  64. return s_translateKey[_key];
  65. }
  66. static MouseButton::Enum translateMouseButton(int _button)
  67. {
  68. if (_button == GLFW_MOUSE_BUTTON_LEFT)
  69. return MouseButton::Left;
  70. else if (_button == GLFW_MOUSE_BUTTON_RIGHT)
  71. return MouseButton::Right;
  72. else
  73. return MouseButton::Middle;
  74. }
  75. static GamepadAxis::Enum translateGamepadAxis(int _axis)
  76. {
  77. // HACK: Map XInput 360 controller until GLFW gamepad API
  78. static GamepadAxis::Enum axes[] =
  79. {
  80. GamepadAxis::LeftX,
  81. GamepadAxis::LeftY,
  82. GamepadAxis::RightX,
  83. GamepadAxis::RightY,
  84. GamepadAxis::LeftZ,
  85. GamepadAxis::RightZ,
  86. };
  87. return axes[_axis];
  88. }
  89. static Key::Enum translateGamepadButton(int _button)
  90. {
  91. // HACK: Map XInput 360 controller until GLFW gamepad API
  92. static Key::Enum buttons[] =
  93. {
  94. Key::GamepadA,
  95. Key::GamepadB,
  96. Key::GamepadX,
  97. Key::GamepadY,
  98. Key::GamepadShoulderL,
  99. Key::GamepadShoulderR,
  100. Key::GamepadBack,
  101. Key::GamepadStart,
  102. Key::GamepadThumbL,
  103. Key::GamepadThumbR,
  104. Key::GamepadUp,
  105. Key::GamepadRight,
  106. Key::GamepadDown,
  107. Key::GamepadLeft,
  108. Key::GamepadGuide,
  109. };
  110. return buttons[_button];
  111. }
  112. struct GamepadGLFW
  113. {
  114. GamepadGLFW()
  115. : m_connected(false)
  116. {
  117. memset(m_axes, 0, sizeof(m_axes));
  118. memset(m_buttons, 0, sizeof(m_buttons));
  119. }
  120. void update(EventQueue& _eventQueue)
  121. {
  122. int numButtons, numAxes;
  123. const unsigned char* buttons = glfwGetJoystickButtons(m_handle.idx, &numButtons);
  124. const float* axes = glfwGetJoystickAxes(m_handle.idx, &numAxes);
  125. if (NULL == buttons || NULL == axes)
  126. return;
  127. if (numAxes > GamepadAxis::Count)
  128. numAxes = GamepadAxis::Count;
  129. if (numButtons > Key::Count - Key::GamepadA)
  130. numButtons = Key::Count - Key::GamepadA;
  131. WindowHandle defaultWindow = { 0 };
  132. for (int ii = 0; ii < numAxes; ++ii)
  133. {
  134. GamepadAxis::Enum axis = translateGamepadAxis(ii);
  135. int32_t value = (int32_t) (axes[ii] * 32768.f);
  136. if (GamepadAxis::LeftY == axis || GamepadAxis::RightY == axis)
  137. value = -value;
  138. if (m_axes[ii] != value)
  139. {
  140. m_axes[ii] = value;
  141. _eventQueue.postAxisEvent(defaultWindow
  142. , m_handle
  143. , axis
  144. , value);
  145. }
  146. }
  147. for (int ii = 0; ii < numButtons; ++ii)
  148. {
  149. Key::Enum key = translateGamepadButton(ii);
  150. if (m_buttons[ii] != buttons[ii])
  151. {
  152. m_buttons[ii] = buttons[ii];
  153. _eventQueue.postKeyEvent(defaultWindow
  154. , key
  155. , 0
  156. , buttons[ii] != 0);
  157. }
  158. }
  159. }
  160. bool m_connected;
  161. GamepadHandle m_handle;
  162. int32_t m_axes[GamepadAxis::Count];
  163. uint8_t m_buttons[Key::Count - Key::GamepadA];
  164. };
  165. struct MainThreadEntry
  166. {
  167. int m_argc;
  168. char** m_argv;
  169. static int32_t threadFunc(void* _userData);
  170. };
  171. static void* glfwNativeWindowHandle(GLFWwindow* _window)
  172. {
  173. # if BX_PLATFORM_LINUX || BX_PLATFORM_BSD
  174. return (void*)(uintptr_t)glfwGetX11Window(_window);
  175. # elif BX_PLATFORM_OSX
  176. return glfwGetCocoaWindow(_window);
  177. # elif BX_PLATFORM_WINDOWS
  178. return glfwGetWin32Window(_window);
  179. # endif // BX_PLATFORM_
  180. }
  181. enum MsgType
  182. {
  183. GLFW_WINDOW_CREATE,
  184. GLFW_WINDOW_DESTROY,
  185. GLFW_WINDOW_SET_TITLE,
  186. GLFW_WINDOW_SET_POS,
  187. GLFW_WINDOW_SET_SIZE,
  188. GLFW_WINDOW_TOGGLE_FRAME,
  189. GLFW_WINDOW_TOGGLE_FULL_SCREEN,
  190. GLFW_WINDOW_MOUSE_LOCK,
  191. };
  192. struct Msg
  193. {
  194. Msg(MsgType _type)
  195. : m_type(_type)
  196. , m_x(0)
  197. , m_y(0)
  198. , m_width(0)
  199. , m_height(0)
  200. , m_value(false)
  201. {
  202. }
  203. MsgType m_type;
  204. int32_t m_x;
  205. int32_t m_y;
  206. uint32_t m_width;
  207. uint32_t m_height;
  208. uint32_t m_flags;
  209. bool m_value;
  210. tinystl::string m_title;
  211. WindowHandle m_handle;
  212. };
  213. static void errorCb(int _error, const char* _description)
  214. {
  215. DBG("GLFW error %d: %s", _error, _description);
  216. }
  217. static void joystickCb(int _jid, int _action);
  218. // Based on cutef8 by Jeff Bezanson (Public Domain)
  219. static uint8_t encodeUTF8(uint8_t _chars[4], unsigned int _scancode)
  220. {
  221. uint8_t length = 0;
  222. if (_scancode < 0x80)
  223. _chars[length++] = (char) _scancode;
  224. else if (_scancode < 0x800)
  225. {
  226. _chars[length++] = (_scancode >> 6) | 0xc0;
  227. _chars[length++] = (_scancode & 0x3f) | 0x80;
  228. }
  229. else if (_scancode < 0x10000)
  230. {
  231. _chars[length++] = (_scancode >> 12) | 0xe0;
  232. _chars[length++] = ((_scancode >> 6) & 0x3f) | 0x80;
  233. _chars[length++] = (_scancode & 0x3f) | 0x80;
  234. }
  235. else if (_scancode < 0x110000)
  236. {
  237. _chars[length++] = (_scancode >> 18) | 0xf0;
  238. _chars[length++] = ((_scancode >> 12) & 0x3f) | 0x80;
  239. _chars[length++] = ((_scancode >> 6) & 0x3f) | 0x80;
  240. _chars[length++] = (_scancode & 0x3f) | 0x80;
  241. }
  242. return length;
  243. }
  244. struct Context
  245. {
  246. Context()
  247. : m_scrollPos(0.0)
  248. {
  249. memset(s_translateKey, 0, sizeof(s_translateKey));
  250. s_translateKey[GLFW_KEY_ESCAPE] = Key::Esc;
  251. s_translateKey[GLFW_KEY_ENTER] = Key::Return;
  252. s_translateKey[GLFW_KEY_TAB] = Key::Tab;
  253. s_translateKey[GLFW_KEY_BACKSPACE] = Key::Backspace;
  254. s_translateKey[GLFW_KEY_SPACE] = Key::Space;
  255. s_translateKey[GLFW_KEY_UP] = Key::Up;
  256. s_translateKey[GLFW_KEY_DOWN] = Key::Down;
  257. s_translateKey[GLFW_KEY_LEFT] = Key::Left;
  258. s_translateKey[GLFW_KEY_RIGHT] = Key::Right;
  259. s_translateKey[GLFW_KEY_PAGE_UP] = Key::PageUp;
  260. s_translateKey[GLFW_KEY_PAGE_DOWN] = Key::PageDown;
  261. s_translateKey[GLFW_KEY_HOME] = Key::Home;
  262. s_translateKey[GLFW_KEY_END] = Key::End;
  263. s_translateKey[GLFW_KEY_PRINT_SCREEN] = Key::Print;
  264. s_translateKey[GLFW_KEY_KP_ADD] = Key::Plus;
  265. s_translateKey[GLFW_KEY_KP_SUBTRACT] = Key::Minus;
  266. s_translateKey[GLFW_KEY_F1] = Key::F1;
  267. s_translateKey[GLFW_KEY_F2] = Key::F2;
  268. s_translateKey[GLFW_KEY_F3] = Key::F3;
  269. s_translateKey[GLFW_KEY_F4] = Key::F4;
  270. s_translateKey[GLFW_KEY_F5] = Key::F5;
  271. s_translateKey[GLFW_KEY_F6] = Key::F6;
  272. s_translateKey[GLFW_KEY_F7] = Key::F7;
  273. s_translateKey[GLFW_KEY_F8] = Key::F8;
  274. s_translateKey[GLFW_KEY_F9] = Key::F9;
  275. s_translateKey[GLFW_KEY_F10] = Key::F10;
  276. s_translateKey[GLFW_KEY_F11] = Key::F11;
  277. s_translateKey[GLFW_KEY_F12] = Key::F12;
  278. s_translateKey[GLFW_KEY_KP_0] = Key::NumPad0;
  279. s_translateKey[GLFW_KEY_KP_1] = Key::NumPad1;
  280. s_translateKey[GLFW_KEY_KP_2] = Key::NumPad2;
  281. s_translateKey[GLFW_KEY_KP_3] = Key::NumPad3;
  282. s_translateKey[GLFW_KEY_KP_4] = Key::NumPad4;
  283. s_translateKey[GLFW_KEY_KP_5] = Key::NumPad5;
  284. s_translateKey[GLFW_KEY_KP_6] = Key::NumPad6;
  285. s_translateKey[GLFW_KEY_KP_7] = Key::NumPad7;
  286. s_translateKey[GLFW_KEY_KP_8] = Key::NumPad8;
  287. s_translateKey[GLFW_KEY_KP_9] = Key::NumPad9;
  288. s_translateKey[GLFW_KEY_0] = Key::Key0;
  289. s_translateKey[GLFW_KEY_1] = Key::Key1;
  290. s_translateKey[GLFW_KEY_2] = Key::Key2;
  291. s_translateKey[GLFW_KEY_3] = Key::Key3;
  292. s_translateKey[GLFW_KEY_4] = Key::Key4;
  293. s_translateKey[GLFW_KEY_5] = Key::Key5;
  294. s_translateKey[GLFW_KEY_6] = Key::Key6;
  295. s_translateKey[GLFW_KEY_7] = Key::Key7;
  296. s_translateKey[GLFW_KEY_8] = Key::Key8;
  297. s_translateKey[GLFW_KEY_9] = Key::Key9;
  298. s_translateKey[GLFW_KEY_A] = Key::KeyA;
  299. s_translateKey[GLFW_KEY_B] = Key::KeyB;
  300. s_translateKey[GLFW_KEY_C] = Key::KeyC;
  301. s_translateKey[GLFW_KEY_D] = Key::KeyD;
  302. s_translateKey[GLFW_KEY_E] = Key::KeyE;
  303. s_translateKey[GLFW_KEY_F] = Key::KeyF;
  304. s_translateKey[GLFW_KEY_G] = Key::KeyG;
  305. s_translateKey[GLFW_KEY_H] = Key::KeyH;
  306. s_translateKey[GLFW_KEY_I] = Key::KeyI;
  307. s_translateKey[GLFW_KEY_J] = Key::KeyJ;
  308. s_translateKey[GLFW_KEY_K] = Key::KeyK;
  309. s_translateKey[GLFW_KEY_L] = Key::KeyL;
  310. s_translateKey[GLFW_KEY_M] = Key::KeyM;
  311. s_translateKey[GLFW_KEY_N] = Key::KeyN;
  312. s_translateKey[GLFW_KEY_O] = Key::KeyO;
  313. s_translateKey[GLFW_KEY_P] = Key::KeyP;
  314. s_translateKey[GLFW_KEY_Q] = Key::KeyQ;
  315. s_translateKey[GLFW_KEY_R] = Key::KeyR;
  316. s_translateKey[GLFW_KEY_S] = Key::KeyS;
  317. s_translateKey[GLFW_KEY_T] = Key::KeyT;
  318. s_translateKey[GLFW_KEY_U] = Key::KeyU;
  319. s_translateKey[GLFW_KEY_V] = Key::KeyV;
  320. s_translateKey[GLFW_KEY_W] = Key::KeyW;
  321. s_translateKey[GLFW_KEY_X] = Key::KeyX;
  322. s_translateKey[GLFW_KEY_Y] = Key::KeyY;
  323. s_translateKey[GLFW_KEY_Z] = Key::KeyZ;
  324. }
  325. int run(int _argc, char** _argv)
  326. {
  327. m_mte.m_argc = _argc;
  328. m_mte.m_argv = _argv;
  329. glfwSetErrorCallback(errorCb);
  330. glfwSetJoystickCallback(joystickCb);
  331. if (!glfwInit())
  332. return -1;
  333. glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
  334. WindowHandle handle = { m_windowAlloc.alloc() };
  335. m_windows[0] = glfwCreateWindow(ENTRY_DEFAULT_WIDTH
  336. , ENTRY_DEFAULT_HEIGHT
  337. , "bgfx"
  338. , NULL
  339. , NULL);
  340. if (!m_windows[0])
  341. {
  342. glfwTerminate();
  343. return -1;
  344. }
  345. glfwSetKeyCallback(m_windows[0], keyCb);
  346. glfwSetCharCallback(m_windows[0], charCb);
  347. glfwSetScrollCallback(m_windows[0], scrollCb);
  348. glfwSetCursorPosCallback(m_windows[0], cursorPosCb);
  349. glfwSetMouseButtonCallback(m_windows[0], mouseButtonCb);
  350. glfwSetWindowSizeCallback(m_windows[0], windowSizeCb);
  351. glfwSetWindow(m_windows[0]);
  352. m_eventQueue.postSizeEvent(handle, ENTRY_DEFAULT_WIDTH, ENTRY_DEFAULT_HEIGHT);
  353. for (uint32_t ii = 0; ii < ENTRY_CONFIG_MAX_GAMEPADS; ++ii)
  354. {
  355. m_gamepad[ii].m_handle.idx = ii;
  356. if (glfwJoystickPresent(ii))
  357. {
  358. m_gamepad[ii].m_connected = true;
  359. m_eventQueue.postGamepadEvent(handle
  360. , m_gamepad[ii].m_handle
  361. , true);
  362. }
  363. }
  364. m_thread.init(MainThreadEntry::threadFunc, &m_mte);
  365. while (!glfwWindowShouldClose(m_windows[0]))
  366. {
  367. glfwWaitEvents();
  368. for (uint32_t ii = 0; ii < ENTRY_CONFIG_MAX_GAMEPADS; ++ii)
  369. {
  370. if (m_gamepad[ii].m_connected)
  371. m_gamepad[ii].update(m_eventQueue);
  372. }
  373. while (Msg* msg = m_msgs.pop())
  374. {
  375. switch (msg->m_type)
  376. {
  377. case GLFW_WINDOW_CREATE:
  378. {
  379. GLFWwindow* window = glfwCreateWindow(msg->m_width
  380. , msg->m_height
  381. , msg->m_title.c_str()
  382. , NULL
  383. , NULL);
  384. if (!window)
  385. break;
  386. glfwSetWindowPos(window, msg->m_x, msg->m_y);
  387. if (msg->m_flags & ENTRY_WINDOW_FLAG_ASPECT_RATIO)
  388. glfwSetWindowAspectRatio(window, msg->m_width, msg->m_height);
  389. glfwSetKeyCallback(window, keyCb);
  390. glfwSetCharCallback(window, charCb);
  391. glfwSetScrollCallback(window, scrollCb);
  392. glfwSetCursorPosCallback(window, cursorPosCb);
  393. glfwSetMouseButtonCallback(window, mouseButtonCb);
  394. glfwSetWindowSizeCallback(window, windowSizeCb);
  395. m_windows[msg->m_handle.idx] = window;
  396. m_eventQueue.postSizeEvent(msg->m_handle, msg->m_width, msg->m_height);
  397. m_eventQueue.postWindowEvent(msg->m_handle, glfwNativeWindowHandle(window));
  398. }
  399. break;
  400. case GLFW_WINDOW_DESTROY:
  401. {
  402. if (isValid(msg->m_handle))
  403. {
  404. GLFWwindow* window = m_windows[msg->m_handle.idx];
  405. m_eventQueue.postWindowEvent(msg->m_handle);
  406. glfwDestroyWindow(window);
  407. m_windows[msg->m_handle.idx] = NULL;
  408. }
  409. }
  410. break;
  411. case GLFW_WINDOW_SET_TITLE:
  412. {
  413. GLFWwindow* window = m_windows[msg->m_handle.idx];
  414. glfwSetWindowTitle(window, msg->m_title.c_str());
  415. }
  416. break;
  417. case GLFW_WINDOW_SET_POS:
  418. {
  419. GLFWwindow* window = m_windows[msg->m_handle.idx];
  420. glfwSetWindowPos(window, msg->m_x, msg->m_y);
  421. }
  422. break;
  423. case GLFW_WINDOW_SET_SIZE:
  424. {
  425. GLFWwindow* window = m_windows[msg->m_handle.idx];
  426. glfwSetWindowSize(window, msg->m_width, msg->m_height);
  427. }
  428. break;
  429. case GLFW_WINDOW_TOGGLE_FRAME:
  430. {
  431. // Wait for glfwSetWindowDecorated to exist
  432. }
  433. break;
  434. case GLFW_WINDOW_TOGGLE_FULL_SCREEN:
  435. {
  436. GLFWwindow* window = m_windows[msg->m_handle.idx];
  437. if (glfwGetWindowMonitor(window))
  438. {
  439. int width, height;
  440. glfwGetWindowSize(window, &width, &height);
  441. glfwSetWindowMonitor(window, NULL, 0, 0, width, height, 0);
  442. }
  443. else
  444. {
  445. GLFWmonitor* monitor = glfwGetPrimaryMonitor();
  446. if (!monitor)
  447. break;
  448. const GLFWvidmode* mode = glfwGetVideoMode(monitor);
  449. glfwSetWindowMonitor(window
  450. , monitor
  451. , 0
  452. , 0
  453. , mode->width
  454. , mode->height
  455. , mode->refreshRate);
  456. }
  457. }
  458. break;
  459. case GLFW_WINDOW_MOUSE_LOCK:
  460. {
  461. GLFWwindow* window = m_windows[msg->m_handle.idx];
  462. if (msg->m_value)
  463. glfwSetInputMode(window, GLFW_CURSOR, GLFW_CURSOR_DISABLED);
  464. else
  465. glfwSetInputMode(window, GLFW_CURSOR, GLFW_CURSOR_NORMAL);
  466. }
  467. break;
  468. }
  469. delete msg;
  470. }
  471. }
  472. m_eventQueue.postExitEvent();
  473. m_thread.shutdown();
  474. glfwDestroyWindow(m_windows[0]);
  475. glfwTerminate();
  476. return m_thread.getExitCode();
  477. }
  478. WindowHandle findHandle(GLFWwindow* _window)
  479. {
  480. bx::LwMutexScope scope(m_lock);
  481. for (uint32_t ii = 0, num = m_windowAlloc.getNumHandles(); ii < num; ++ii)
  482. {
  483. uint16_t idx = m_windowAlloc.getHandleAt(ii);
  484. if (_window == m_windows[idx])
  485. {
  486. WindowHandle handle = { idx };
  487. return handle;
  488. }
  489. }
  490. WindowHandle invalid = { UINT16_MAX };
  491. return invalid;
  492. }
  493. static void keyCb(GLFWwindow* _window, int _key, int _scancode, int _action, int _mods);
  494. static void charCb(GLFWwindow* _window, unsigned int _scancode);
  495. static void scrollCb(GLFWwindow* _window, double _dx, double _dy);
  496. static void cursorPosCb(GLFWwindow* _window, double _mx, double _my);
  497. static void mouseButtonCb(GLFWwindow* _window, int _button, int _action, int _mods);
  498. static void windowSizeCb(GLFWwindow* _window, int _width, int _height);
  499. MainThreadEntry m_mte;
  500. bx::Thread m_thread;
  501. EventQueue m_eventQueue;
  502. bx::LwMutex m_lock;
  503. GLFWwindow* m_windows[ENTRY_CONFIG_MAX_WINDOWS];
  504. bx::HandleAllocT<ENTRY_CONFIG_MAX_WINDOWS> m_windowAlloc;
  505. GamepadGLFW m_gamepad[ENTRY_CONFIG_MAX_GAMEPADS];
  506. bx::SpScUnboundedQueueLf<Msg> m_msgs;
  507. double m_scrollPos;
  508. };
  509. Context s_ctx;
  510. void Context::keyCb(GLFWwindow* _window, int _key, int _scancode, int _action, int _mods)
  511. {
  512. BX_UNUSED(_scancode);
  513. if (_key == GLFW_KEY_UNKNOWN)
  514. return;
  515. WindowHandle handle = s_ctx.findHandle(_window);
  516. int mods = translateKeyModifiers(_mods);
  517. Key::Enum key = translateKey(_key);
  518. bool down = (_action == GLFW_PRESS || _action == GLFW_REPEAT);
  519. s_ctx.m_eventQueue.postKeyEvent(handle, key, mods, down);
  520. }
  521. void Context::charCb(GLFWwindow* _window, unsigned int _scancode)
  522. {
  523. WindowHandle handle = s_ctx.findHandle(_window);
  524. uint8_t chars[4];
  525. uint8_t length = encodeUTF8(chars, _scancode);
  526. if (!length)
  527. return;
  528. s_ctx.m_eventQueue.postCharEvent(handle, length, chars);
  529. }
  530. void Context::scrollCb(GLFWwindow* _window, double _dx, double _dy)
  531. {
  532. BX_UNUSED(_dx);
  533. WindowHandle handle = s_ctx.findHandle(_window);
  534. double mx, my;
  535. glfwGetCursorPos(_window, &mx, &my);
  536. s_ctx.m_scrollPos += _dy;
  537. s_ctx.m_eventQueue.postMouseEvent(handle
  538. , (int32_t) mx
  539. , (int32_t) my
  540. , (int32_t) s_ctx.m_scrollPos);
  541. }
  542. void Context::cursorPosCb(GLFWwindow* _window, double _mx, double _my)
  543. {
  544. WindowHandle handle = s_ctx.findHandle(_window);
  545. s_ctx.m_eventQueue.postMouseEvent(handle
  546. , (int32_t) _mx
  547. , (int32_t) _my
  548. , (int32_t) s_ctx.m_scrollPos);
  549. }
  550. void Context::mouseButtonCb(GLFWwindow* _window, int _button, int _action, int _mods)
  551. {
  552. BX_UNUSED(_mods);
  553. WindowHandle handle = s_ctx.findHandle(_window);
  554. bool down = _action == GLFW_PRESS;
  555. double mx, my;
  556. glfwGetCursorPos(_window, &mx, &my);
  557. s_ctx.m_eventQueue.postMouseEvent(handle
  558. , (int32_t) mx
  559. , (int32_t) my
  560. , (int32_t) s_ctx.m_scrollPos
  561. , translateMouseButton(_button)
  562. , down);
  563. }
  564. void Context::windowSizeCb(GLFWwindow* _window, int _width, int _height)
  565. {
  566. WindowHandle handle = s_ctx.findHandle(_window);
  567. s_ctx.m_eventQueue.postSizeEvent(handle, _width, _height);
  568. }
  569. static void joystickCb(int _jid, int _action)
  570. {
  571. if (_jid >= ENTRY_CONFIG_MAX_GAMEPADS)
  572. return;
  573. WindowHandle defaultWindow = { 0 };
  574. GamepadHandle handle = { (uint16_t) _jid };
  575. if (_action == GLFW_CONNECTED)
  576. {
  577. s_ctx.m_gamepad[_jid].m_connected = true;
  578. s_ctx.m_eventQueue.postGamepadEvent(defaultWindow, handle, true);
  579. }
  580. else if (_action == GLFW_DISCONNECTED)
  581. {
  582. s_ctx.m_gamepad[_jid].m_connected = false;
  583. s_ctx.m_eventQueue.postGamepadEvent(defaultWindow, handle, false);
  584. }
  585. }
  586. const Event* poll()
  587. {
  588. glfwPostEmptyEvent();
  589. return s_ctx.m_eventQueue.poll();
  590. }
  591. const Event* poll(WindowHandle _handle)
  592. {
  593. glfwPostEmptyEvent();
  594. return s_ctx.m_eventQueue.poll(_handle);
  595. }
  596. void release(const Event* _event)
  597. {
  598. s_ctx.m_eventQueue.release(_event);
  599. }
  600. WindowHandle createWindow(int32_t _x, int32_t _y, uint32_t _width, uint32_t _height, uint32_t _flags, const char* _title)
  601. {
  602. Msg* msg = new Msg(GLFW_WINDOW_CREATE);
  603. msg->m_x = _x;
  604. msg->m_y = _y;
  605. msg->m_width = _width;
  606. msg->m_height = _height;
  607. msg->m_flags = _flags;
  608. msg->m_title = _title;
  609. msg->m_handle.idx = s_ctx.m_windowAlloc.alloc();
  610. s_ctx.m_msgs.push(msg);
  611. glfwPostEmptyEvent();
  612. return msg->m_handle;
  613. }
  614. void destroyWindow(WindowHandle _handle)
  615. {
  616. Msg* msg = new Msg(GLFW_WINDOW_DESTROY);
  617. msg->m_handle = _handle;
  618. s_ctx.m_msgs.push(msg);
  619. glfwPostEmptyEvent();
  620. }
  621. void setWindowPos(WindowHandle _handle, int32_t _x, int32_t _y)
  622. {
  623. Msg* msg = new Msg(GLFW_WINDOW_SET_POS);
  624. msg->m_x = _x;
  625. msg->m_y = _y;
  626. msg->m_handle = _handle;
  627. s_ctx.m_msgs.push(msg);
  628. glfwPostEmptyEvent();
  629. }
  630. void setWindowSize(WindowHandle _handle, uint32_t _width, uint32_t _height)
  631. {
  632. Msg* msg = new Msg(GLFW_WINDOW_SET_SIZE);
  633. msg->m_width = _width;
  634. msg->m_height = _height;
  635. msg->m_handle = _handle;
  636. s_ctx.m_msgs.push(msg);
  637. glfwPostEmptyEvent();
  638. }
  639. void setWindowTitle(WindowHandle _handle, const char* _title)
  640. {
  641. Msg* msg = new Msg(GLFW_WINDOW_SET_TITLE);
  642. msg->m_title = _title;
  643. msg->m_handle = _handle;
  644. s_ctx.m_msgs.push(msg);
  645. glfwPostEmptyEvent();
  646. }
  647. void toggleWindowFrame(WindowHandle _handle)
  648. {
  649. Msg* msg = new Msg(GLFW_WINDOW_TOGGLE_FRAME);
  650. msg->m_handle = _handle;
  651. s_ctx.m_msgs.push(msg);
  652. glfwPostEmptyEvent();
  653. }
  654. void toggleFullscreen(WindowHandle _handle)
  655. {
  656. Msg* msg = new Msg(GLFW_WINDOW_TOGGLE_FULL_SCREEN);
  657. msg->m_handle = _handle;
  658. s_ctx.m_msgs.push(msg);
  659. glfwPostEmptyEvent();
  660. }
  661. void setMouseLock(WindowHandle _handle, bool _lock)
  662. {
  663. Msg* msg = new Msg(GLFW_WINDOW_MOUSE_LOCK);
  664. msg->m_value = _lock;
  665. msg->m_handle = _handle;
  666. s_ctx.m_msgs.push(msg);
  667. glfwPostEmptyEvent();
  668. }
  669. int32_t MainThreadEntry::threadFunc(void* _userData)
  670. {
  671. MainThreadEntry* self = (MainThreadEntry*)_userData;
  672. int32_t result = main(self->m_argc, self->m_argv);
  673. return result;
  674. }
  675. }
  676. int main(int _argc, char** _argv)
  677. {
  678. using namespace entry;
  679. return s_ctx.run(_argc, _argv);
  680. }
  681. #endif // ENTRY_CONFIG_USE_GLFW