hs

Unnamed repository; edit this file 'description' to name the repository.
Log | Files | Refs | Submodules | LICENSE

wl_init.c (45879B)


      1 //========================================================================
      2 // GLFW 3.4 Wayland - www.glfw.org
      3 //------------------------------------------------------------------------
      4 // Copyright (c) 2014 Jonas Ådahl <jadahl@gmail.com>
      5 //
      6 // This software is provided 'as-is', without any express or implied
      7 // warranty. In no event will the authors be held liable for any damages
      8 // arising from the use of this software.
      9 //
     10 // Permission is granted to anyone to use this software for any purpose,
     11 // including commercial applications, and to alter it and redistribute it
     12 // freely, subject to the following restrictions:
     13 //
     14 // 1. The origin of this software must not be misrepresented; you must not
     15 //    claim that you wrote the original software. If you use this software
     16 //    in a product, an acknowledgment in the product documentation would
     17 //    be appreciated but is not required.
     18 //
     19 // 2. Altered source versions must be plainly marked as such, and must not
     20 //    be misrepresented as being the original software.
     21 //
     22 // 3. This notice may not be removed or altered from any source
     23 //    distribution.
     24 //
     25 //========================================================================
     26 // It is fine to use C99 in this file because it will not be built with VS
     27 //========================================================================
     28 
     29 #define _POSIX_C_SOURCE 199309L
     30 
     31 #include "internal.h"
     32 
     33 #include <assert.h>
     34 #include <errno.h>
     35 #include <limits.h>
     36 #include <linux/input.h>
     37 #include <stdio.h>
     38 #include <stdlib.h>
     39 #include <string.h>
     40 #include <sys/mman.h>
     41 #include <sys/timerfd.h>
     42 #include <unistd.h>
     43 #include <time.h>
     44 #include <wayland-client.h>
     45 
     46 
     47 static inline int min(int n1, int n2)
     48 {
     49     return n1 < n2 ? n1 : n2;
     50 }
     51 
     52 static _GLFWwindow* findWindowFromDecorationSurface(struct wl_surface* surface,
     53                                                     int* which)
     54 {
     55     int focus;
     56     _GLFWwindow* window = _glfw.windowListHead;
     57     if (!which)
     58         which = &focus;
     59     while (window)
     60     {
     61         if (surface == window->wl.decorations.top.surface)
     62         {
     63             *which = topDecoration;
     64             break;
     65         }
     66         if (surface == window->wl.decorations.left.surface)
     67         {
     68             *which = leftDecoration;
     69             break;
     70         }
     71         if (surface == window->wl.decorations.right.surface)
     72         {
     73             *which = rightDecoration;
     74             break;
     75         }
     76         if (surface == window->wl.decorations.bottom.surface)
     77         {
     78             *which = bottomDecoration;
     79             break;
     80         }
     81         window = window->next;
     82     }
     83     return window;
     84 }
     85 
     86 static void pointerHandleEnter(void* data,
     87                                struct wl_pointer* pointer,
     88                                uint32_t serial,
     89                                struct wl_surface* surface,
     90                                wl_fixed_t sx,
     91                                wl_fixed_t sy)
     92 {
     93     // Happens in the case we just destroyed the surface.
     94     if (!surface)
     95         return;
     96 
     97     int focus = 0;
     98     _GLFWwindow* window = wl_surface_get_user_data(surface);
     99     if (!window)
    100     {
    101         window = findWindowFromDecorationSurface(surface, &focus);
    102         if (!window)
    103             return;
    104     }
    105 
    106     window->wl.decorations.focus = focus;
    107     _glfw.wl.serial = serial;
    108     _glfw.wl.pointerFocus = window;
    109 
    110     window->wl.hovered = GLFW_TRUE;
    111 
    112     _glfwPlatformSetCursor(window, window->wl.currentCursor);
    113     _glfwInputCursorEnter(window, GLFW_TRUE);
    114 }
    115 
    116 static void pointerHandleLeave(void* data,
    117                                struct wl_pointer* pointer,
    118                                uint32_t serial,
    119                                struct wl_surface* surface)
    120 {
    121     _GLFWwindow* window = _glfw.wl.pointerFocus;
    122 
    123     if (!window)
    124         return;
    125 
    126     window->wl.hovered = GLFW_FALSE;
    127 
    128     _glfw.wl.serial = serial;
    129     _glfw.wl.pointerFocus = NULL;
    130     _glfwInputCursorEnter(window, GLFW_FALSE);
    131     _glfw.wl.cursorPreviousName = NULL;
    132 }
    133 
    134 static void setCursor(_GLFWwindow* window, const char* name)
    135 {
    136     struct wl_buffer* buffer;
    137     struct wl_cursor* cursor;
    138     struct wl_cursor_image* image;
    139     struct wl_surface* surface = _glfw.wl.cursorSurface;
    140     struct wl_cursor_theme* theme = _glfw.wl.cursorTheme;
    141     int scale = 1;
    142 
    143     if (window->wl.scale > 1 && _glfw.wl.cursorThemeHiDPI)
    144     {
    145         // We only support up to scale=2 for now, since libwayland-cursor
    146         // requires us to load a different theme for each size.
    147         scale = 2;
    148         theme = _glfw.wl.cursorThemeHiDPI;
    149     }
    150 
    151     cursor = wl_cursor_theme_get_cursor(theme, name);
    152     if (!cursor)
    153     {
    154         _glfwInputError(GLFW_PLATFORM_ERROR,
    155                         "Wayland: Standard cursor not found");
    156         return;
    157     }
    158     // TODO: handle animated cursors too.
    159     image = cursor->images[0];
    160 
    161     if (!image)
    162         return;
    163 
    164     buffer = wl_cursor_image_get_buffer(image);
    165     if (!buffer)
    166         return;
    167     wl_pointer_set_cursor(_glfw.wl.pointer, _glfw.wl.serial,
    168                           surface,
    169                           image->hotspot_x / scale,
    170                           image->hotspot_y / scale);
    171     wl_surface_set_buffer_scale(surface, scale);
    172     wl_surface_attach(surface, buffer, 0, 0);
    173     wl_surface_damage(surface, 0, 0,
    174                       image->width, image->height);
    175     wl_surface_commit(surface);
    176     _glfw.wl.cursorPreviousName = name;
    177 }
    178 
    179 static void pointerHandleMotion(void* data,
    180                                 struct wl_pointer* pointer,
    181                                 uint32_t time,
    182                                 wl_fixed_t sx,
    183                                 wl_fixed_t sy)
    184 {
    185     _GLFWwindow* window = _glfw.wl.pointerFocus;
    186     const char* cursorName = NULL;
    187     double x, y;
    188 
    189     if (!window)
    190         return;
    191 
    192     if (window->cursorMode == GLFW_CURSOR_DISABLED)
    193         return;
    194     x = wl_fixed_to_double(sx);
    195     y = wl_fixed_to_double(sy);
    196 
    197     switch (window->wl.decorations.focus)
    198     {
    199         case mainWindow:
    200             window->wl.cursorPosX = x;
    201             window->wl.cursorPosY = y;
    202             _glfwInputCursorPos(window, x, y);
    203             _glfw.wl.cursorPreviousName = NULL;
    204             return;
    205         case topDecoration:
    206             if (y < _GLFW_DECORATION_WIDTH)
    207                 cursorName = "n-resize";
    208             else
    209                 cursorName = "left_ptr";
    210             break;
    211         case leftDecoration:
    212             if (y < _GLFW_DECORATION_WIDTH)
    213                 cursorName = "nw-resize";
    214             else
    215                 cursorName = "w-resize";
    216             break;
    217         case rightDecoration:
    218             if (y < _GLFW_DECORATION_WIDTH)
    219                 cursorName = "ne-resize";
    220             else
    221                 cursorName = "e-resize";
    222             break;
    223         case bottomDecoration:
    224             if (x < _GLFW_DECORATION_WIDTH)
    225                 cursorName = "sw-resize";
    226             else if (x > window->wl.width + _GLFW_DECORATION_WIDTH)
    227                 cursorName = "se-resize";
    228             else
    229                 cursorName = "s-resize";
    230             break;
    231         default:
    232             assert(0);
    233     }
    234     if (_glfw.wl.cursorPreviousName != cursorName)
    235         setCursor(window, cursorName);
    236 }
    237 
    238 static void pointerHandleButton(void* data,
    239                                 struct wl_pointer* pointer,
    240                                 uint32_t serial,
    241                                 uint32_t time,
    242                                 uint32_t button,
    243                                 uint32_t state)
    244 {
    245     _GLFWwindow* window = _glfw.wl.pointerFocus;
    246     int glfwButton;
    247     uint32_t edges = XDG_TOPLEVEL_RESIZE_EDGE_NONE;
    248 
    249     if (!window)
    250         return;
    251     if (button == BTN_LEFT)
    252     {
    253         switch (window->wl.decorations.focus)
    254         {
    255             case mainWindow:
    256                 break;
    257             case topDecoration:
    258                 if (window->wl.cursorPosY < _GLFW_DECORATION_WIDTH)
    259                     edges = XDG_TOPLEVEL_RESIZE_EDGE_TOP;
    260                 else
    261                 {
    262                     xdg_toplevel_move(window->wl.xdg.toplevel, _glfw.wl.seat, serial);
    263                 }
    264                 break;
    265             case leftDecoration:
    266                 if (window->wl.cursorPosY < _GLFW_DECORATION_WIDTH)
    267                     edges = XDG_TOPLEVEL_RESIZE_EDGE_TOP_LEFT;
    268                 else
    269                     edges = XDG_TOPLEVEL_RESIZE_EDGE_LEFT;
    270                 break;
    271             case rightDecoration:
    272                 if (window->wl.cursorPosY < _GLFW_DECORATION_WIDTH)
    273                     edges = XDG_TOPLEVEL_RESIZE_EDGE_TOP_RIGHT;
    274                 else
    275                     edges = XDG_TOPLEVEL_RESIZE_EDGE_RIGHT;
    276                 break;
    277             case bottomDecoration:
    278                 if (window->wl.cursorPosX < _GLFW_DECORATION_WIDTH)
    279                     edges = XDG_TOPLEVEL_RESIZE_EDGE_BOTTOM_LEFT;
    280                 else if (window->wl.cursorPosX > window->wl.width + _GLFW_DECORATION_WIDTH)
    281                     edges = XDG_TOPLEVEL_RESIZE_EDGE_BOTTOM_RIGHT;
    282                 else
    283                     edges = XDG_TOPLEVEL_RESIZE_EDGE_BOTTOM;
    284                 break;
    285             default:
    286                 assert(0);
    287         }
    288         if (edges != XDG_TOPLEVEL_RESIZE_EDGE_NONE)
    289         {
    290             xdg_toplevel_resize(window->wl.xdg.toplevel, _glfw.wl.seat,
    291                                 serial, edges);
    292         }
    293     }
    294     else if (button == BTN_RIGHT)
    295     {
    296         if (window->wl.decorations.focus != mainWindow && window->wl.xdg.toplevel)
    297         {
    298             xdg_toplevel_show_window_menu(window->wl.xdg.toplevel,
    299                                           _glfw.wl.seat, serial,
    300                                           window->wl.cursorPosX,
    301                                           window->wl.cursorPosY);
    302             return;
    303         }
    304     }
    305 
    306     // Don’t pass the button to the user if it was related to a decoration.
    307     if (window->wl.decorations.focus != mainWindow)
    308         return;
    309 
    310     _glfw.wl.serial = serial;
    311 
    312     /* Makes left, right and middle 0, 1 and 2. Overall order follows evdev
    313      * codes. */
    314     glfwButton = button - BTN_LEFT;
    315 
    316     _glfwInputMouseClick(window,
    317                          glfwButton,
    318                          state == WL_POINTER_BUTTON_STATE_PRESSED
    319                                 ? GLFW_PRESS
    320                                 : GLFW_RELEASE,
    321                          _glfw.wl.xkb.modifiers);
    322 }
    323 
    324 static void pointerHandleAxis(void* data,
    325                               struct wl_pointer* pointer,
    326                               uint32_t time,
    327                               uint32_t axis,
    328                               wl_fixed_t value)
    329 {
    330     _GLFWwindow* window = _glfw.wl.pointerFocus;
    331     double x = 0.0, y = 0.0;
    332     // Wayland scroll events are in pointer motion coordinate space (think two
    333     // finger scroll).  The factor 10 is commonly used to convert to "scroll
    334     // step means 1.0.
    335     const double scrollFactor = 1.0 / 10.0;
    336 
    337     if (!window)
    338         return;
    339 
    340     assert(axis == WL_POINTER_AXIS_HORIZONTAL_SCROLL ||
    341            axis == WL_POINTER_AXIS_VERTICAL_SCROLL);
    342 
    343     if (axis == WL_POINTER_AXIS_HORIZONTAL_SCROLL)
    344         x = wl_fixed_to_double(value) * scrollFactor;
    345     else if (axis == WL_POINTER_AXIS_VERTICAL_SCROLL)
    346         y = wl_fixed_to_double(value) * scrollFactor;
    347 
    348     _glfwInputScroll(window, x, y);
    349 }
    350 
    351 static const struct wl_pointer_listener pointerListener = {
    352     pointerHandleEnter,
    353     pointerHandleLeave,
    354     pointerHandleMotion,
    355     pointerHandleButton,
    356     pointerHandleAxis,
    357 };
    358 
    359 static void keyboardHandleKeymap(void* data,
    360                                  struct wl_keyboard* keyboard,
    361                                  uint32_t format,
    362                                  int fd,
    363                                  uint32_t size)
    364 {
    365     struct xkb_keymap* keymap;
    366     struct xkb_state* state;
    367 
    368 #ifdef HAVE_XKBCOMMON_COMPOSE_H
    369     struct xkb_compose_table* composeTable;
    370     struct xkb_compose_state* composeState;
    371 #endif
    372 
    373     char* mapStr;
    374     const char* locale;
    375 
    376     if (format != WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1)
    377     {
    378         close(fd);
    379         return;
    380     }
    381 
    382     mapStr = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0);
    383     if (mapStr == MAP_FAILED) {
    384         close(fd);
    385         return;
    386     }
    387 
    388     keymap = xkb_keymap_new_from_string(_glfw.wl.xkb.context,
    389                                         mapStr,
    390                                         XKB_KEYMAP_FORMAT_TEXT_V1,
    391                                         0);
    392     munmap(mapStr, size);
    393     close(fd);
    394 
    395     if (!keymap)
    396     {
    397         _glfwInputError(GLFW_PLATFORM_ERROR,
    398                         "Wayland: Failed to compile keymap");
    399         return;
    400     }
    401 
    402     state = xkb_state_new(keymap);
    403     if (!state)
    404     {
    405         _glfwInputError(GLFW_PLATFORM_ERROR,
    406                         "Wayland: Failed to create XKB state");
    407         xkb_keymap_unref(keymap);
    408         return;
    409     }
    410 
    411     // Look up the preferred locale, falling back to "C" as default.
    412     locale = getenv("LC_ALL");
    413     if (!locale)
    414         locale = getenv("LC_CTYPE");
    415     if (!locale)
    416         locale = getenv("LANG");
    417     if (!locale)
    418         locale = "C";
    419 
    420 #ifdef HAVE_XKBCOMMON_COMPOSE_H
    421     composeTable =
    422         xkb_compose_table_new_from_locale(_glfw.wl.xkb.context, locale,
    423                                           XKB_COMPOSE_COMPILE_NO_FLAGS);
    424     if (composeTable)
    425     {
    426         composeState =
    427             xkb_compose_state_new(composeTable, XKB_COMPOSE_STATE_NO_FLAGS);
    428         xkb_compose_table_unref(composeTable);
    429         if (composeState)
    430             _glfw.wl.xkb.composeState = composeState;
    431         else
    432             _glfwInputError(GLFW_PLATFORM_ERROR,
    433                             "Wayland: Failed to create XKB compose state");
    434     }
    435     else
    436     {
    437         _glfwInputError(GLFW_PLATFORM_ERROR,
    438                         "Wayland: Failed to create XKB compose table");
    439     }
    440 #endif
    441 
    442     xkb_keymap_unref(_glfw.wl.xkb.keymap);
    443     xkb_state_unref(_glfw.wl.xkb.state);
    444     _glfw.wl.xkb.keymap = keymap;
    445     _glfw.wl.xkb.state = state;
    446 
    447     _glfw.wl.xkb.controlMask =
    448         1 << xkb_keymap_mod_get_index(_glfw.wl.xkb.keymap, "Control");
    449     _glfw.wl.xkb.altMask =
    450         1 << xkb_keymap_mod_get_index(_glfw.wl.xkb.keymap, "Mod1");
    451     _glfw.wl.xkb.shiftMask =
    452         1 << xkb_keymap_mod_get_index(_glfw.wl.xkb.keymap, "Shift");
    453     _glfw.wl.xkb.superMask =
    454         1 << xkb_keymap_mod_get_index(_glfw.wl.xkb.keymap, "Mod4");
    455     _glfw.wl.xkb.capsLockMask =
    456         1 << xkb_keymap_mod_get_index(_glfw.wl.xkb.keymap, "Lock");
    457     _glfw.wl.xkb.numLockMask =
    458         1 << xkb_keymap_mod_get_index(_glfw.wl.xkb.keymap, "Mod2");
    459 }
    460 
    461 static void keyboardHandleEnter(void* data,
    462                                 struct wl_keyboard* keyboard,
    463                                 uint32_t serial,
    464                                 struct wl_surface* surface,
    465                                 struct wl_array* keys)
    466 {
    467     // Happens in the case we just destroyed the surface.
    468     if (!surface)
    469         return;
    470 
    471     _GLFWwindow* window = wl_surface_get_user_data(surface);
    472     if (!window)
    473     {
    474         window = findWindowFromDecorationSurface(surface, NULL);
    475         if (!window)
    476             return;
    477     }
    478 
    479     _glfw.wl.serial = serial;
    480     _glfw.wl.keyboardFocus = window;
    481     _glfwInputWindowFocus(window, GLFW_TRUE);
    482 }
    483 
    484 static void keyboardHandleLeave(void* data,
    485                                 struct wl_keyboard* keyboard,
    486                                 uint32_t serial,
    487                                 struct wl_surface* surface)
    488 {
    489     _GLFWwindow* window = _glfw.wl.keyboardFocus;
    490 
    491     if (!window)
    492         return;
    493 
    494     _glfw.wl.serial = serial;
    495     _glfw.wl.keyboardFocus = NULL;
    496     _glfwInputWindowFocus(window, GLFW_FALSE);
    497 }
    498 
    499 static int toGLFWKeyCode(uint32_t key)
    500 {
    501     if (key < sizeof(_glfw.wl.keycodes) / sizeof(_glfw.wl.keycodes[0]))
    502         return _glfw.wl.keycodes[key];
    503 
    504     return GLFW_KEY_UNKNOWN;
    505 }
    506 
    507 #ifdef HAVE_XKBCOMMON_COMPOSE_H
    508 static xkb_keysym_t composeSymbol(xkb_keysym_t sym)
    509 {
    510     if (sym == XKB_KEY_NoSymbol || !_glfw.wl.xkb.composeState)
    511         return sym;
    512     if (xkb_compose_state_feed(_glfw.wl.xkb.composeState, sym)
    513             != XKB_COMPOSE_FEED_ACCEPTED)
    514         return sym;
    515     switch (xkb_compose_state_get_status(_glfw.wl.xkb.composeState))
    516     {
    517         case XKB_COMPOSE_COMPOSED:
    518             return xkb_compose_state_get_one_sym(_glfw.wl.xkb.composeState);
    519         case XKB_COMPOSE_COMPOSING:
    520         case XKB_COMPOSE_CANCELLED:
    521             return XKB_KEY_NoSymbol;
    522         case XKB_COMPOSE_NOTHING:
    523         default:
    524             return sym;
    525     }
    526 }
    527 #endif
    528 
    529 static GLFWbool inputChar(_GLFWwindow* window, uint32_t key)
    530 {
    531     uint32_t code, numSyms;
    532     long cp;
    533     const xkb_keysym_t *syms;
    534     xkb_keysym_t sym;
    535 
    536     code = key + 8;
    537     numSyms = xkb_state_key_get_syms(_glfw.wl.xkb.state, code, &syms);
    538 
    539     if (numSyms == 1)
    540     {
    541 #ifdef HAVE_XKBCOMMON_COMPOSE_H
    542         sym = composeSymbol(syms[0]);
    543 #else
    544         sym = syms[0];
    545 #endif
    546         cp = _glfwKeySym2Unicode(sym);
    547         if (cp != -1)
    548         {
    549             const int mods = _glfw.wl.xkb.modifiers;
    550             const int plain = !(mods & (GLFW_MOD_CONTROL | GLFW_MOD_ALT));
    551             _glfwInputChar(window, cp, mods, plain);
    552         }
    553     }
    554 
    555     return xkb_keymap_key_repeats(_glfw.wl.xkb.keymap, syms[0]);
    556 }
    557 
    558 static void keyboardHandleKey(void* data,
    559                               struct wl_keyboard* keyboard,
    560                               uint32_t serial,
    561                               uint32_t time,
    562                               uint32_t key,
    563                               uint32_t state)
    564 {
    565     int keyCode;
    566     int action;
    567     _GLFWwindow* window = _glfw.wl.keyboardFocus;
    568     GLFWbool shouldRepeat;
    569     struct itimerspec timer = {};
    570 
    571     if (!window)
    572         return;
    573 
    574     keyCode = toGLFWKeyCode(key);
    575     action = state == WL_KEYBOARD_KEY_STATE_PRESSED
    576             ? GLFW_PRESS : GLFW_RELEASE;
    577 
    578     _glfw.wl.serial = serial;
    579     _glfwInputKey(window, keyCode, key, action,
    580                   _glfw.wl.xkb.modifiers);
    581 
    582     if (action == GLFW_PRESS)
    583     {
    584         shouldRepeat = inputChar(window, key);
    585 
    586         if (shouldRepeat && _glfw.wl.keyboardRepeatRate > 0)
    587         {
    588             _glfw.wl.keyboardLastKey = keyCode;
    589             _glfw.wl.keyboardLastScancode = key;
    590             if (_glfw.wl.keyboardRepeatRate > 1)
    591                 timer.it_interval.tv_nsec = 1000000000 / _glfw.wl.keyboardRepeatRate;
    592             else
    593                 timer.it_interval.tv_sec = 1;
    594             timer.it_value.tv_sec = _glfw.wl.keyboardRepeatDelay / 1000;
    595             timer.it_value.tv_nsec = (_glfw.wl.keyboardRepeatDelay % 1000) * 1000000;
    596         }
    597     }
    598     timerfd_settime(_glfw.wl.timerfd, 0, &timer, NULL);
    599 }
    600 
    601 static void keyboardHandleModifiers(void* data,
    602                                     struct wl_keyboard* keyboard,
    603                                     uint32_t serial,
    604                                     uint32_t modsDepressed,
    605                                     uint32_t modsLatched,
    606                                     uint32_t modsLocked,
    607                                     uint32_t group)
    608 {
    609     xkb_mod_mask_t mask;
    610     unsigned int modifiers = 0;
    611 
    612     _glfw.wl.serial = serial;
    613 
    614     if (!_glfw.wl.xkb.keymap)
    615         return;
    616 
    617     xkb_state_update_mask(_glfw.wl.xkb.state,
    618                           modsDepressed,
    619                           modsLatched,
    620                           modsLocked,
    621                           0,
    622                           0,
    623                           group);
    624 
    625     mask = xkb_state_serialize_mods(_glfw.wl.xkb.state,
    626                                     XKB_STATE_MODS_DEPRESSED |
    627                                     XKB_STATE_LAYOUT_DEPRESSED |
    628                                     XKB_STATE_MODS_LATCHED |
    629                                     XKB_STATE_LAYOUT_LATCHED);
    630     if (mask & _glfw.wl.xkb.controlMask)
    631         modifiers |= GLFW_MOD_CONTROL;
    632     if (mask & _glfw.wl.xkb.altMask)
    633         modifiers |= GLFW_MOD_ALT;
    634     if (mask & _glfw.wl.xkb.shiftMask)
    635         modifiers |= GLFW_MOD_SHIFT;
    636     if (mask & _glfw.wl.xkb.superMask)
    637         modifiers |= GLFW_MOD_SUPER;
    638     if (mask & _glfw.wl.xkb.capsLockMask)
    639         modifiers |= GLFW_MOD_CAPS_LOCK;
    640     if (mask & _glfw.wl.xkb.numLockMask)
    641         modifiers |= GLFW_MOD_NUM_LOCK;
    642     _glfw.wl.xkb.modifiers = modifiers;
    643 }
    644 
    645 #ifdef WL_KEYBOARD_REPEAT_INFO_SINCE_VERSION
    646 static void keyboardHandleRepeatInfo(void* data,
    647                                      struct wl_keyboard* keyboard,
    648                                      int32_t rate,
    649                                      int32_t delay)
    650 {
    651     if (keyboard != _glfw.wl.keyboard)
    652         return;
    653 
    654     _glfw.wl.keyboardRepeatRate = rate;
    655     _glfw.wl.keyboardRepeatDelay = delay;
    656 }
    657 #endif
    658 
    659 static const struct wl_keyboard_listener keyboardListener = {
    660     keyboardHandleKeymap,
    661     keyboardHandleEnter,
    662     keyboardHandleLeave,
    663     keyboardHandleKey,
    664     keyboardHandleModifiers,
    665 #ifdef WL_KEYBOARD_REPEAT_INFO_SINCE_VERSION
    666     keyboardHandleRepeatInfo,
    667 #endif
    668 };
    669 
    670 static void seatHandleCapabilities(void* data,
    671                                    struct wl_seat* seat,
    672                                    enum wl_seat_capability caps)
    673 {
    674     if ((caps & WL_SEAT_CAPABILITY_POINTER) && !_glfw.wl.pointer)
    675     {
    676         _glfw.wl.pointer = wl_seat_get_pointer(seat);
    677         wl_pointer_add_listener(_glfw.wl.pointer, &pointerListener, NULL);
    678     }
    679     else if (!(caps & WL_SEAT_CAPABILITY_POINTER) && _glfw.wl.pointer)
    680     {
    681         wl_pointer_destroy(_glfw.wl.pointer);
    682         _glfw.wl.pointer = NULL;
    683     }
    684 
    685     if ((caps & WL_SEAT_CAPABILITY_KEYBOARD) && !_glfw.wl.keyboard)
    686     {
    687         _glfw.wl.keyboard = wl_seat_get_keyboard(seat);
    688         wl_keyboard_add_listener(_glfw.wl.keyboard, &keyboardListener, NULL);
    689     }
    690     else if (!(caps & WL_SEAT_CAPABILITY_KEYBOARD) && _glfw.wl.keyboard)
    691     {
    692         wl_keyboard_destroy(_glfw.wl.keyboard);
    693         _glfw.wl.keyboard = NULL;
    694     }
    695 }
    696 
    697 static void seatHandleName(void* data,
    698                            struct wl_seat* seat,
    699                            const char* name)
    700 {
    701 }
    702 
    703 static const struct wl_seat_listener seatListener = {
    704     seatHandleCapabilities,
    705     seatHandleName,
    706 };
    707 
    708 static void dataOfferHandleOffer(void* data,
    709                                  struct wl_data_offer* dataOffer,
    710                                  const char* mimeType)
    711 {
    712 }
    713 
    714 static const struct wl_data_offer_listener dataOfferListener = {
    715     dataOfferHandleOffer,
    716 };
    717 
    718 static void dataDeviceHandleDataOffer(void* data,
    719                                       struct wl_data_device* dataDevice,
    720                                       struct wl_data_offer* id)
    721 {
    722     if (_glfw.wl.dataOffer)
    723         wl_data_offer_destroy(_glfw.wl.dataOffer);
    724 
    725     _glfw.wl.dataOffer = id;
    726     wl_data_offer_add_listener(_glfw.wl.dataOffer, &dataOfferListener, NULL);
    727 }
    728 
    729 static void dataDeviceHandleEnter(void* data,
    730                                   struct wl_data_device* dataDevice,
    731                                   uint32_t serial,
    732                                   struct wl_surface *surface,
    733                                   wl_fixed_t x,
    734                                   wl_fixed_t y,
    735                                   struct wl_data_offer *id)
    736 {
    737 }
    738 
    739 static void dataDeviceHandleLeave(void* data,
    740                                   struct wl_data_device* dataDevice)
    741 {
    742 }
    743 
    744 static void dataDeviceHandleMotion(void* data,
    745                                    struct wl_data_device* dataDevice,
    746                                    uint32_t time,
    747                                    wl_fixed_t x,
    748                                    wl_fixed_t y)
    749 {
    750 }
    751 
    752 static void dataDeviceHandleDrop(void* data,
    753                                  struct wl_data_device* dataDevice)
    754 {
    755 }
    756 
    757 static void dataDeviceHandleSelection(void* data,
    758                                       struct wl_data_device* dataDevice,
    759                                       struct wl_data_offer* id)
    760 {
    761 }
    762 
    763 static const struct wl_data_device_listener dataDeviceListener = {
    764     dataDeviceHandleDataOffer,
    765     dataDeviceHandleEnter,
    766     dataDeviceHandleLeave,
    767     dataDeviceHandleMotion,
    768     dataDeviceHandleDrop,
    769     dataDeviceHandleSelection,
    770 };
    771 
    772 static void wmBaseHandlePing(void* data,
    773                              struct xdg_wm_base* wmBase,
    774                              uint32_t serial)
    775 {
    776     xdg_wm_base_pong(wmBase, serial);
    777 }
    778 
    779 static const struct xdg_wm_base_listener wmBaseListener = {
    780     wmBaseHandlePing
    781 };
    782 
    783 static void registryHandleGlobal(void* data,
    784                                  struct wl_registry* registry,
    785                                  uint32_t name,
    786                                  const char* interface,
    787                                  uint32_t version)
    788 {
    789     if (strcmp(interface, "wl_compositor") == 0)
    790     {
    791         _glfw.wl.compositorVersion = min(3, version);
    792         _glfw.wl.compositor =
    793             wl_registry_bind(registry, name, &wl_compositor_interface,
    794                              _glfw.wl.compositorVersion);
    795     }
    796     else if (strcmp(interface, "wl_subcompositor") == 0)
    797     {
    798         _glfw.wl.subcompositor =
    799             wl_registry_bind(registry, name, &wl_subcompositor_interface, 1);
    800     }
    801     else if (strcmp(interface, "wl_shm") == 0)
    802     {
    803         _glfw.wl.shm =
    804             wl_registry_bind(registry, name, &wl_shm_interface, 1);
    805     }
    806     else if (strcmp(interface, "wl_output") == 0)
    807     {
    808         _glfwAddOutputWayland(name, version);
    809     }
    810     else if (strcmp(interface, "wl_seat") == 0)
    811     {
    812         if (!_glfw.wl.seat)
    813         {
    814             _glfw.wl.seatVersion = min(4, version);
    815             _glfw.wl.seat =
    816                 wl_registry_bind(registry, name, &wl_seat_interface,
    817                                  _glfw.wl.seatVersion);
    818             wl_seat_add_listener(_glfw.wl.seat, &seatListener, NULL);
    819         }
    820     }
    821     else if (strcmp(interface, "wl_data_device_manager") == 0)
    822     {
    823         if (!_glfw.wl.dataDeviceManager)
    824         {
    825             _glfw.wl.dataDeviceManager =
    826                 wl_registry_bind(registry, name,
    827                                  &wl_data_device_manager_interface, 1);
    828         }
    829     }
    830     else if (strcmp(interface, "xdg_wm_base") == 0)
    831     {
    832         _glfw.wl.wmBase =
    833             wl_registry_bind(registry, name, &xdg_wm_base_interface, 1);
    834         xdg_wm_base_add_listener(_glfw.wl.wmBase, &wmBaseListener, NULL);
    835     }
    836     else if (strcmp(interface, "zxdg_decoration_manager_v1") == 0)
    837     {
    838         _glfw.wl.decorationManager =
    839             wl_registry_bind(registry, name,
    840                              &zxdg_decoration_manager_v1_interface,
    841                              1);
    842     }
    843     else if (strcmp(interface, "wp_viewporter") == 0)
    844     {
    845         _glfw.wl.viewporter =
    846             wl_registry_bind(registry, name, &wp_viewporter_interface, 1);
    847     }
    848     else if (strcmp(interface, "zwp_relative_pointer_manager_v1") == 0)
    849     {
    850         _glfw.wl.relativePointerManager =
    851             wl_registry_bind(registry, name,
    852                              &zwp_relative_pointer_manager_v1_interface,
    853                              1);
    854     }
    855     else if (strcmp(interface, "zwp_pointer_constraints_v1") == 0)
    856     {
    857         _glfw.wl.pointerConstraints =
    858             wl_registry_bind(registry, name,
    859                              &zwp_pointer_constraints_v1_interface,
    860                              1);
    861     }
    862     else if (strcmp(interface, "zwp_idle_inhibit_manager_v1") == 0)
    863     {
    864         _glfw.wl.idleInhibitManager =
    865             wl_registry_bind(registry, name,
    866                              &zwp_idle_inhibit_manager_v1_interface,
    867                              1);
    868     }
    869 }
    870 
    871 static void registryHandleGlobalRemove(void *data,
    872                                        struct wl_registry *registry,
    873                                        uint32_t name)
    874 {
    875     int i;
    876     _GLFWmonitor* monitor;
    877 
    878     for (i = 0; i < _glfw.monitorCount; ++i)
    879     {
    880         monitor = _glfw.monitors[i];
    881         if (monitor->wl.name == name)
    882         {
    883             _glfwInputMonitor(monitor, GLFW_DISCONNECTED, 0);
    884             return;
    885         }
    886     }
    887 }
    888 
    889 
    890 static const struct wl_registry_listener registryListener = {
    891     registryHandleGlobal,
    892     registryHandleGlobalRemove
    893 };
    894 
    895 // Create key code translation tables
    896 //
    897 static void createKeyTables(void)
    898 {
    899     int scancode;
    900 
    901     memset(_glfw.wl.keycodes, -1, sizeof(_glfw.wl.keycodes));
    902     memset(_glfw.wl.scancodes, -1, sizeof(_glfw.wl.scancodes));
    903 
    904     _glfw.wl.keycodes[KEY_GRAVE]      = GLFW_KEY_GRAVE_ACCENT;
    905     _glfw.wl.keycodes[KEY_1]          = GLFW_KEY_1;
    906     _glfw.wl.keycodes[KEY_2]          = GLFW_KEY_2;
    907     _glfw.wl.keycodes[KEY_3]          = GLFW_KEY_3;
    908     _glfw.wl.keycodes[KEY_4]          = GLFW_KEY_4;
    909     _glfw.wl.keycodes[KEY_5]          = GLFW_KEY_5;
    910     _glfw.wl.keycodes[KEY_6]          = GLFW_KEY_6;
    911     _glfw.wl.keycodes[KEY_7]          = GLFW_KEY_7;
    912     _glfw.wl.keycodes[KEY_8]          = GLFW_KEY_8;
    913     _glfw.wl.keycodes[KEY_9]          = GLFW_KEY_9;
    914     _glfw.wl.keycodes[KEY_0]          = GLFW_KEY_0;
    915     _glfw.wl.keycodes[KEY_SPACE]      = GLFW_KEY_SPACE;
    916     _glfw.wl.keycodes[KEY_MINUS]      = GLFW_KEY_MINUS;
    917     _glfw.wl.keycodes[KEY_EQUAL]      = GLFW_KEY_EQUAL;
    918     _glfw.wl.keycodes[KEY_Q]          = GLFW_KEY_Q;
    919     _glfw.wl.keycodes[KEY_W]          = GLFW_KEY_W;
    920     _glfw.wl.keycodes[KEY_E]          = GLFW_KEY_E;
    921     _glfw.wl.keycodes[KEY_R]          = GLFW_KEY_R;
    922     _glfw.wl.keycodes[KEY_T]          = GLFW_KEY_T;
    923     _glfw.wl.keycodes[KEY_Y]          = GLFW_KEY_Y;
    924     _glfw.wl.keycodes[KEY_U]          = GLFW_KEY_U;
    925     _glfw.wl.keycodes[KEY_I]          = GLFW_KEY_I;
    926     _glfw.wl.keycodes[KEY_O]          = GLFW_KEY_O;
    927     _glfw.wl.keycodes[KEY_P]          = GLFW_KEY_P;
    928     _glfw.wl.keycodes[KEY_LEFTBRACE]  = GLFW_KEY_LEFT_BRACKET;
    929     _glfw.wl.keycodes[KEY_RIGHTBRACE] = GLFW_KEY_RIGHT_BRACKET;
    930     _glfw.wl.keycodes[KEY_A]          = GLFW_KEY_A;
    931     _glfw.wl.keycodes[KEY_S]          = GLFW_KEY_S;
    932     _glfw.wl.keycodes[KEY_D]          = GLFW_KEY_D;
    933     _glfw.wl.keycodes[KEY_F]          = GLFW_KEY_F;
    934     _glfw.wl.keycodes[KEY_G]          = GLFW_KEY_G;
    935     _glfw.wl.keycodes[KEY_H]          = GLFW_KEY_H;
    936     _glfw.wl.keycodes[KEY_J]          = GLFW_KEY_J;
    937     _glfw.wl.keycodes[KEY_K]          = GLFW_KEY_K;
    938     _glfw.wl.keycodes[KEY_L]          = GLFW_KEY_L;
    939     _glfw.wl.keycodes[KEY_SEMICOLON]  = GLFW_KEY_SEMICOLON;
    940     _glfw.wl.keycodes[KEY_APOSTROPHE] = GLFW_KEY_APOSTROPHE;
    941     _glfw.wl.keycodes[KEY_Z]          = GLFW_KEY_Z;
    942     _glfw.wl.keycodes[KEY_X]          = GLFW_KEY_X;
    943     _glfw.wl.keycodes[KEY_C]          = GLFW_KEY_C;
    944     _glfw.wl.keycodes[KEY_V]          = GLFW_KEY_V;
    945     _glfw.wl.keycodes[KEY_B]          = GLFW_KEY_B;
    946     _glfw.wl.keycodes[KEY_N]          = GLFW_KEY_N;
    947     _glfw.wl.keycodes[KEY_M]          = GLFW_KEY_M;
    948     _glfw.wl.keycodes[KEY_COMMA]      = GLFW_KEY_COMMA;
    949     _glfw.wl.keycodes[KEY_DOT]        = GLFW_KEY_PERIOD;
    950     _glfw.wl.keycodes[KEY_SLASH]      = GLFW_KEY_SLASH;
    951     _glfw.wl.keycodes[KEY_BACKSLASH]  = GLFW_KEY_BACKSLASH;
    952     _glfw.wl.keycodes[KEY_ESC]        = GLFW_KEY_ESCAPE;
    953     _glfw.wl.keycodes[KEY_TAB]        = GLFW_KEY_TAB;
    954     _glfw.wl.keycodes[KEY_LEFTSHIFT]  = GLFW_KEY_LEFT_SHIFT;
    955     _glfw.wl.keycodes[KEY_RIGHTSHIFT] = GLFW_KEY_RIGHT_SHIFT;
    956     _glfw.wl.keycodes[KEY_LEFTCTRL]   = GLFW_KEY_LEFT_CONTROL;
    957     _glfw.wl.keycodes[KEY_RIGHTCTRL]  = GLFW_KEY_RIGHT_CONTROL;
    958     _glfw.wl.keycodes[KEY_LEFTALT]    = GLFW_KEY_LEFT_ALT;
    959     _glfw.wl.keycodes[KEY_RIGHTALT]   = GLFW_KEY_RIGHT_ALT;
    960     _glfw.wl.keycodes[KEY_LEFTMETA]   = GLFW_KEY_LEFT_SUPER;
    961     _glfw.wl.keycodes[KEY_RIGHTMETA]  = GLFW_KEY_RIGHT_SUPER;
    962     _glfw.wl.keycodes[KEY_MENU]       = GLFW_KEY_MENU;
    963     _glfw.wl.keycodes[KEY_NUMLOCK]    = GLFW_KEY_NUM_LOCK;
    964     _glfw.wl.keycodes[KEY_CAPSLOCK]   = GLFW_KEY_CAPS_LOCK;
    965     _glfw.wl.keycodes[KEY_PRINT]      = GLFW_KEY_PRINT_SCREEN;
    966     _glfw.wl.keycodes[KEY_SCROLLLOCK] = GLFW_KEY_SCROLL_LOCK;
    967     _glfw.wl.keycodes[KEY_PAUSE]      = GLFW_KEY_PAUSE;
    968     _glfw.wl.keycodes[KEY_DELETE]     = GLFW_KEY_DELETE;
    969     _glfw.wl.keycodes[KEY_BACKSPACE]  = GLFW_KEY_BACKSPACE;
    970     _glfw.wl.keycodes[KEY_ENTER]      = GLFW_KEY_ENTER;
    971     _glfw.wl.keycodes[KEY_HOME]       = GLFW_KEY_HOME;
    972     _glfw.wl.keycodes[KEY_END]        = GLFW_KEY_END;
    973     _glfw.wl.keycodes[KEY_PAGEUP]     = GLFW_KEY_PAGE_UP;
    974     _glfw.wl.keycodes[KEY_PAGEDOWN]   = GLFW_KEY_PAGE_DOWN;
    975     _glfw.wl.keycodes[KEY_INSERT]     = GLFW_KEY_INSERT;
    976     _glfw.wl.keycodes[KEY_LEFT]       = GLFW_KEY_LEFT;
    977     _glfw.wl.keycodes[KEY_RIGHT]      = GLFW_KEY_RIGHT;
    978     _glfw.wl.keycodes[KEY_DOWN]       = GLFW_KEY_DOWN;
    979     _glfw.wl.keycodes[KEY_UP]         = GLFW_KEY_UP;
    980     _glfw.wl.keycodes[KEY_F1]         = GLFW_KEY_F1;
    981     _glfw.wl.keycodes[KEY_F2]         = GLFW_KEY_F2;
    982     _glfw.wl.keycodes[KEY_F3]         = GLFW_KEY_F3;
    983     _glfw.wl.keycodes[KEY_F4]         = GLFW_KEY_F4;
    984     _glfw.wl.keycodes[KEY_F5]         = GLFW_KEY_F5;
    985     _glfw.wl.keycodes[KEY_F6]         = GLFW_KEY_F6;
    986     _glfw.wl.keycodes[KEY_F7]         = GLFW_KEY_F7;
    987     _glfw.wl.keycodes[KEY_F8]         = GLFW_KEY_F8;
    988     _glfw.wl.keycodes[KEY_F9]         = GLFW_KEY_F9;
    989     _glfw.wl.keycodes[KEY_F10]        = GLFW_KEY_F10;
    990     _glfw.wl.keycodes[KEY_F11]        = GLFW_KEY_F11;
    991     _glfw.wl.keycodes[KEY_F12]        = GLFW_KEY_F12;
    992     _glfw.wl.keycodes[KEY_F13]        = GLFW_KEY_F13;
    993     _glfw.wl.keycodes[KEY_F14]        = GLFW_KEY_F14;
    994     _glfw.wl.keycodes[KEY_F15]        = GLFW_KEY_F15;
    995     _glfw.wl.keycodes[KEY_F16]        = GLFW_KEY_F16;
    996     _glfw.wl.keycodes[KEY_F17]        = GLFW_KEY_F17;
    997     _glfw.wl.keycodes[KEY_F18]        = GLFW_KEY_F18;
    998     _glfw.wl.keycodes[KEY_F19]        = GLFW_KEY_F19;
    999     _glfw.wl.keycodes[KEY_F20]        = GLFW_KEY_F20;
   1000     _glfw.wl.keycodes[KEY_F21]        = GLFW_KEY_F21;
   1001     _glfw.wl.keycodes[KEY_F22]        = GLFW_KEY_F22;
   1002     _glfw.wl.keycodes[KEY_F23]        = GLFW_KEY_F23;
   1003     _glfw.wl.keycodes[KEY_F24]        = GLFW_KEY_F24;
   1004     _glfw.wl.keycodes[KEY_KPSLASH]    = GLFW_KEY_KP_DIVIDE;
   1005     _glfw.wl.keycodes[KEY_KPDOT]      = GLFW_KEY_KP_MULTIPLY;
   1006     _glfw.wl.keycodes[KEY_KPMINUS]    = GLFW_KEY_KP_SUBTRACT;
   1007     _glfw.wl.keycodes[KEY_KPPLUS]     = GLFW_KEY_KP_ADD;
   1008     _glfw.wl.keycodes[KEY_KP0]        = GLFW_KEY_KP_0;
   1009     _glfw.wl.keycodes[KEY_KP1]        = GLFW_KEY_KP_1;
   1010     _glfw.wl.keycodes[KEY_KP2]        = GLFW_KEY_KP_2;
   1011     _glfw.wl.keycodes[KEY_KP3]        = GLFW_KEY_KP_3;
   1012     _glfw.wl.keycodes[KEY_KP4]        = GLFW_KEY_KP_4;
   1013     _glfw.wl.keycodes[KEY_KP5]        = GLFW_KEY_KP_5;
   1014     _glfw.wl.keycodes[KEY_KP6]        = GLFW_KEY_KP_6;
   1015     _glfw.wl.keycodes[KEY_KP7]        = GLFW_KEY_KP_7;
   1016     _glfw.wl.keycodes[KEY_KP8]        = GLFW_KEY_KP_8;
   1017     _glfw.wl.keycodes[KEY_KP9]        = GLFW_KEY_KP_9;
   1018     _glfw.wl.keycodes[KEY_KPCOMMA]    = GLFW_KEY_KP_DECIMAL;
   1019     _glfw.wl.keycodes[KEY_KPEQUAL]    = GLFW_KEY_KP_EQUAL;
   1020     _glfw.wl.keycodes[KEY_KPENTER]    = GLFW_KEY_KP_ENTER;
   1021 
   1022     for (scancode = 0;  scancode < 256;  scancode++)
   1023     {
   1024         if (_glfw.wl.keycodes[scancode] > 0)
   1025             _glfw.wl.scancodes[_glfw.wl.keycodes[scancode]] = scancode;
   1026     }
   1027 }
   1028 
   1029 
   1030 //////////////////////////////////////////////////////////////////////////
   1031 //////                       GLFW platform API                      //////
   1032 //////////////////////////////////////////////////////////////////////////
   1033 
   1034 int _glfwPlatformInit(void)
   1035 {
   1036     const char *cursorTheme;
   1037     const char *cursorSizeStr;
   1038     char *cursorSizeEnd;
   1039     long cursorSizeLong;
   1040     int cursorSize;
   1041 
   1042     _glfw.wl.cursor.handle = _glfw_dlopen("libwayland-cursor.so.0");
   1043     if (!_glfw.wl.cursor.handle)
   1044     {
   1045         _glfwInputError(GLFW_PLATFORM_ERROR,
   1046                         "Wayland: Failed to open libwayland-cursor");
   1047         return GLFW_FALSE;
   1048     }
   1049 
   1050     _glfw.wl.cursor.theme_load = (PFN_wl_cursor_theme_load)
   1051         _glfw_dlsym(_glfw.wl.cursor.handle, "wl_cursor_theme_load");
   1052     _glfw.wl.cursor.theme_destroy = (PFN_wl_cursor_theme_destroy)
   1053         _glfw_dlsym(_glfw.wl.cursor.handle, "wl_cursor_theme_destroy");
   1054     _glfw.wl.cursor.theme_get_cursor = (PFN_wl_cursor_theme_get_cursor)
   1055         _glfw_dlsym(_glfw.wl.cursor.handle, "wl_cursor_theme_get_cursor");
   1056     _glfw.wl.cursor.image_get_buffer = (PFN_wl_cursor_image_get_buffer)
   1057         _glfw_dlsym(_glfw.wl.cursor.handle, "wl_cursor_image_get_buffer");
   1058 
   1059     _glfw.wl.egl.handle = _glfw_dlopen("libwayland-egl.so.1");
   1060     if (!_glfw.wl.egl.handle)
   1061     {
   1062         _glfwInputError(GLFW_PLATFORM_ERROR,
   1063                         "Wayland: Failed to open libwayland-egl");
   1064         return GLFW_FALSE;
   1065     }
   1066 
   1067     _glfw.wl.egl.window_create = (PFN_wl_egl_window_create)
   1068         _glfw_dlsym(_glfw.wl.egl.handle, "wl_egl_window_create");
   1069     _glfw.wl.egl.window_destroy = (PFN_wl_egl_window_destroy)
   1070         _glfw_dlsym(_glfw.wl.egl.handle, "wl_egl_window_destroy");
   1071     _glfw.wl.egl.window_resize = (PFN_wl_egl_window_resize)
   1072         _glfw_dlsym(_glfw.wl.egl.handle, "wl_egl_window_resize");
   1073 
   1074     _glfw.wl.xkb.handle = _glfw_dlopen("libxkbcommon.so.0");
   1075     if (!_glfw.wl.xkb.handle)
   1076     {
   1077         _glfwInputError(GLFW_PLATFORM_ERROR,
   1078                         "Wayland: Failed to open libxkbcommon");
   1079         return GLFW_FALSE;
   1080     }
   1081 
   1082     _glfw.wl.xkb.context_new = (PFN_xkb_context_new)
   1083         _glfw_dlsym(_glfw.wl.xkb.handle, "xkb_context_new");
   1084     _glfw.wl.xkb.context_unref = (PFN_xkb_context_unref)
   1085         _glfw_dlsym(_glfw.wl.xkb.handle, "xkb_context_unref");
   1086     _glfw.wl.xkb.keymap_new_from_string = (PFN_xkb_keymap_new_from_string)
   1087         _glfw_dlsym(_glfw.wl.xkb.handle, "xkb_keymap_new_from_string");
   1088     _glfw.wl.xkb.keymap_unref = (PFN_xkb_keymap_unref)
   1089         _glfw_dlsym(_glfw.wl.xkb.handle, "xkb_keymap_unref");
   1090     _glfw.wl.xkb.keymap_mod_get_index = (PFN_xkb_keymap_mod_get_index)
   1091         _glfw_dlsym(_glfw.wl.xkb.handle, "xkb_keymap_mod_get_index");
   1092     _glfw.wl.xkb.keymap_key_repeats = (PFN_xkb_keymap_key_repeats)
   1093         _glfw_dlsym(_glfw.wl.xkb.handle, "xkb_keymap_key_repeats");
   1094     _glfw.wl.xkb.state_new = (PFN_xkb_state_new)
   1095         _glfw_dlsym(_glfw.wl.xkb.handle, "xkb_state_new");
   1096     _glfw.wl.xkb.state_unref = (PFN_xkb_state_unref)
   1097         _glfw_dlsym(_glfw.wl.xkb.handle, "xkb_state_unref");
   1098     _glfw.wl.xkb.state_key_get_syms = (PFN_xkb_state_key_get_syms)
   1099         _glfw_dlsym(_glfw.wl.xkb.handle, "xkb_state_key_get_syms");
   1100     _glfw.wl.xkb.state_update_mask = (PFN_xkb_state_update_mask)
   1101         _glfw_dlsym(_glfw.wl.xkb.handle, "xkb_state_update_mask");
   1102     _glfw.wl.xkb.state_serialize_mods = (PFN_xkb_state_serialize_mods)
   1103         _glfw_dlsym(_glfw.wl.xkb.handle, "xkb_state_serialize_mods");
   1104 
   1105 #ifdef HAVE_XKBCOMMON_COMPOSE_H
   1106     _glfw.wl.xkb.compose_table_new_from_locale = (PFN_xkb_compose_table_new_from_locale)
   1107         _glfw_dlsym(_glfw.wl.xkb.handle, "xkb_compose_table_new_from_locale");
   1108     _glfw.wl.xkb.compose_table_unref = (PFN_xkb_compose_table_unref)
   1109         _glfw_dlsym(_glfw.wl.xkb.handle, "xkb_compose_table_unref");
   1110     _glfw.wl.xkb.compose_state_new = (PFN_xkb_compose_state_new)
   1111         _glfw_dlsym(_glfw.wl.xkb.handle, "xkb_compose_state_new");
   1112     _glfw.wl.xkb.compose_state_unref = (PFN_xkb_compose_state_unref)
   1113         _glfw_dlsym(_glfw.wl.xkb.handle, "xkb_compose_state_unref");
   1114     _glfw.wl.xkb.compose_state_feed = (PFN_xkb_compose_state_feed)
   1115         _glfw_dlsym(_glfw.wl.xkb.handle, "xkb_compose_state_feed");
   1116     _glfw.wl.xkb.compose_state_get_status = (PFN_xkb_compose_state_get_status)
   1117         _glfw_dlsym(_glfw.wl.xkb.handle, "xkb_compose_state_get_status");
   1118     _glfw.wl.xkb.compose_state_get_one_sym = (PFN_xkb_compose_state_get_one_sym)
   1119         _glfw_dlsym(_glfw.wl.xkb.handle, "xkb_compose_state_get_one_sym");
   1120 #endif
   1121 
   1122     _glfw.wl.display = wl_display_connect(NULL);
   1123     if (!_glfw.wl.display)
   1124     {
   1125         _glfwInputError(GLFW_PLATFORM_ERROR,
   1126                         "Wayland: Failed to connect to display");
   1127         return GLFW_FALSE;
   1128     }
   1129 
   1130     _glfw.wl.registry = wl_display_get_registry(_glfw.wl.display);
   1131     wl_registry_add_listener(_glfw.wl.registry, &registryListener, NULL);
   1132 
   1133     createKeyTables();
   1134 
   1135     _glfw.wl.xkb.context = xkb_context_new(0);
   1136     if (!_glfw.wl.xkb.context)
   1137     {
   1138         _glfwInputError(GLFW_PLATFORM_ERROR,
   1139                         "Wayland: Failed to initialize xkb context");
   1140         return GLFW_FALSE;
   1141     }
   1142 
   1143     // Sync so we got all registry objects
   1144     wl_display_roundtrip(_glfw.wl.display);
   1145 
   1146     // Sync so we got all initial output events
   1147     wl_display_roundtrip(_glfw.wl.display);
   1148 
   1149 #ifdef __linux__
   1150     if (!_glfwInitJoysticksLinux())
   1151         return GLFW_FALSE;
   1152 #endif
   1153 
   1154     _glfwInitTimerPOSIX();
   1155 
   1156     _glfw.wl.timerfd = -1;
   1157     if (_glfw.wl.seatVersion >= 4)
   1158         _glfw.wl.timerfd = timerfd_create(CLOCK_MONOTONIC, TFD_CLOEXEC);
   1159 
   1160     if (!_glfw.wl.wmBase)
   1161     {
   1162         _glfwInputError(GLFW_PLATFORM_ERROR,
   1163                         "Wayland: Failed to find xdg-shell in your compositor");
   1164         return GLFW_FALSE;
   1165     }
   1166 
   1167     if (_glfw.wl.pointer && _glfw.wl.shm)
   1168     {
   1169         cursorTheme = getenv("XCURSOR_THEME");
   1170         cursorSizeStr = getenv("XCURSOR_SIZE");
   1171         cursorSize = 32;
   1172         if (cursorSizeStr)
   1173         {
   1174             errno = 0;
   1175             cursorSizeLong = strtol(cursorSizeStr, &cursorSizeEnd, 10);
   1176             if (!*cursorSizeEnd && !errno && cursorSizeLong > 0 && cursorSizeLong <= INT_MAX)
   1177                 cursorSize = (int)cursorSizeLong;
   1178         }
   1179         _glfw.wl.cursorTheme =
   1180             wl_cursor_theme_load(cursorTheme, cursorSize, _glfw.wl.shm);
   1181         if (!_glfw.wl.cursorTheme)
   1182         {
   1183             _glfwInputError(GLFW_PLATFORM_ERROR,
   1184                             "Wayland: Unable to load default cursor theme");
   1185             return GLFW_FALSE;
   1186         }
   1187         // If this happens to be NULL, we just fallback to the scale=1 version.
   1188         _glfw.wl.cursorThemeHiDPI =
   1189             wl_cursor_theme_load(cursorTheme, 2 * cursorSize, _glfw.wl.shm);
   1190         _glfw.wl.cursorSurface =
   1191             wl_compositor_create_surface(_glfw.wl.compositor);
   1192         _glfw.wl.cursorTimerfd = timerfd_create(CLOCK_MONOTONIC, TFD_CLOEXEC);
   1193     }
   1194 
   1195     if (_glfw.wl.seat && _glfw.wl.dataDeviceManager)
   1196     {
   1197         _glfw.wl.dataDevice =
   1198             wl_data_device_manager_get_data_device(_glfw.wl.dataDeviceManager,
   1199                                                    _glfw.wl.seat);
   1200         wl_data_device_add_listener(_glfw.wl.dataDevice, &dataDeviceListener, NULL);
   1201         _glfw.wl.clipboardString = malloc(4096);
   1202         if (!_glfw.wl.clipboardString)
   1203         {
   1204             _glfwInputError(GLFW_PLATFORM_ERROR,
   1205                             "Wayland: Unable to allocate clipboard memory");
   1206             return GLFW_FALSE;
   1207         }
   1208         _glfw.wl.clipboardSize = 4096;
   1209     }
   1210 
   1211     return GLFW_TRUE;
   1212 }
   1213 
   1214 void _glfwPlatformTerminate(void)
   1215 {
   1216 #ifdef __linux__
   1217     _glfwTerminateJoysticksLinux();
   1218 #endif
   1219     _glfwTerminateEGL();
   1220     if (_glfw.wl.egl.handle)
   1221     {
   1222         _glfw_dlclose(_glfw.wl.egl.handle);
   1223         _glfw.wl.egl.handle = NULL;
   1224     }
   1225 
   1226 #ifdef HAVE_XKBCOMMON_COMPOSE_H
   1227     if (_glfw.wl.xkb.composeState)
   1228         xkb_compose_state_unref(_glfw.wl.xkb.composeState);
   1229 #endif
   1230     if (_glfw.wl.xkb.keymap)
   1231         xkb_keymap_unref(_glfw.wl.xkb.keymap);
   1232     if (_glfw.wl.xkb.state)
   1233         xkb_state_unref(_glfw.wl.xkb.state);
   1234     if (_glfw.wl.xkb.context)
   1235         xkb_context_unref(_glfw.wl.xkb.context);
   1236     if (_glfw.wl.xkb.handle)
   1237     {
   1238         _glfw_dlclose(_glfw.wl.xkb.handle);
   1239         _glfw.wl.xkb.handle = NULL;
   1240     }
   1241 
   1242     if (_glfw.wl.cursorTheme)
   1243         wl_cursor_theme_destroy(_glfw.wl.cursorTheme);
   1244     if (_glfw.wl.cursorThemeHiDPI)
   1245         wl_cursor_theme_destroy(_glfw.wl.cursorThemeHiDPI);
   1246     if (_glfw.wl.cursor.handle)
   1247     {
   1248         _glfw_dlclose(_glfw.wl.cursor.handle);
   1249         _glfw.wl.cursor.handle = NULL;
   1250     }
   1251 
   1252     if (_glfw.wl.cursorSurface)
   1253         wl_surface_destroy(_glfw.wl.cursorSurface);
   1254     if (_glfw.wl.subcompositor)
   1255         wl_subcompositor_destroy(_glfw.wl.subcompositor);
   1256     if (_glfw.wl.compositor)
   1257         wl_compositor_destroy(_glfw.wl.compositor);
   1258     if (_glfw.wl.shm)
   1259         wl_shm_destroy(_glfw.wl.shm);
   1260     if (_glfw.wl.viewporter)
   1261         wp_viewporter_destroy(_glfw.wl.viewporter);
   1262     if (_glfw.wl.decorationManager)
   1263         zxdg_decoration_manager_v1_destroy(_glfw.wl.decorationManager);
   1264     if (_glfw.wl.wmBase)
   1265         xdg_wm_base_destroy(_glfw.wl.wmBase);
   1266     if (_glfw.wl.dataSource)
   1267         wl_data_source_destroy(_glfw.wl.dataSource);
   1268     if (_glfw.wl.dataDevice)
   1269         wl_data_device_destroy(_glfw.wl.dataDevice);
   1270     if (_glfw.wl.dataOffer)
   1271         wl_data_offer_destroy(_glfw.wl.dataOffer);
   1272     if (_glfw.wl.dataDeviceManager)
   1273         wl_data_device_manager_destroy(_glfw.wl.dataDeviceManager);
   1274     if (_glfw.wl.pointer)
   1275         wl_pointer_destroy(_glfw.wl.pointer);
   1276     if (_glfw.wl.keyboard)
   1277         wl_keyboard_destroy(_glfw.wl.keyboard);
   1278     if (_glfw.wl.seat)
   1279         wl_seat_destroy(_glfw.wl.seat);
   1280     if (_glfw.wl.relativePointerManager)
   1281         zwp_relative_pointer_manager_v1_destroy(_glfw.wl.relativePointerManager);
   1282     if (_glfw.wl.pointerConstraints)
   1283         zwp_pointer_constraints_v1_destroy(_glfw.wl.pointerConstraints);
   1284     if (_glfw.wl.idleInhibitManager)
   1285         zwp_idle_inhibit_manager_v1_destroy(_glfw.wl.idleInhibitManager);
   1286     if (_glfw.wl.registry)
   1287         wl_registry_destroy(_glfw.wl.registry);
   1288     if (_glfw.wl.display)
   1289     {
   1290         wl_display_flush(_glfw.wl.display);
   1291         wl_display_disconnect(_glfw.wl.display);
   1292     }
   1293 
   1294     if (_glfw.wl.timerfd >= 0)
   1295         close(_glfw.wl.timerfd);
   1296     if (_glfw.wl.cursorTimerfd >= 0)
   1297         close(_glfw.wl.cursorTimerfd);
   1298 
   1299     if (_glfw.wl.clipboardString)
   1300         free(_glfw.wl.clipboardString);
   1301     if (_glfw.wl.clipboardSendString)
   1302         free(_glfw.wl.clipboardSendString);
   1303 }
   1304 
   1305 const char* _glfwPlatformGetVersionString(void)
   1306 {
   1307     return _GLFW_VERSION_NUMBER " Wayland EGL OSMesa"
   1308 #if defined(_POSIX_TIMERS) && defined(_POSIX_MONOTONIC_CLOCK)
   1309         " clock_gettime"
   1310 #else
   1311         " gettimeofday"
   1312 #endif
   1313         " evdev"
   1314 #if defined(_GLFW_BUILD_DLL)
   1315         " shared"
   1316 #endif
   1317         ;
   1318 }