//========================================================================
// GLFW 3.1 Wayland - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2014 Jonas Ådahl <jadahl@gmail.com>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
#include <linux/input.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/mman.h>
#include <unistd.h>
#include <wayland-client.h>
#include <wayland-cursor.h>
#include "xkb_unicode.h"
static void pointerHandleEnter(void* data,
struct wl_pointer* pointer,
uint32_t serial,
struct wl_surface* surface,
wl_fixed_t sx,
wl_fixed_t sy)
{
_GLFWwindow* window = wl_surface_get_user_data(surface);
_glfw.wl.pointerSerial = serial;
_glfw.wl.pointerFocus = window;
_glfwPlatformSetCursor(window, window->wl.currentCursor);
_glfwInputCursorEnter(window, GL_TRUE);
}
static void pointerHandleLeave(void* data,
struct wl_pointer* pointer,
uint32_t serial,
struct wl_surface* surface)
{
_GLFWwindow* window = _glfw.wl.pointerFocus;
if (!window)
return;
_glfw.wl.pointerSerial = serial;
_glfw.wl.pointerFocus = NULL;
_glfwInputCursorEnter(window, GL_FALSE);
}
static void pointerHandleMotion(void* data,
struct wl_pointer* pointer,
uint32_t time,
wl_fixed_t sx,
wl_fixed_t sy)
{
_GLFWwindow* window = _glfw.wl.pointerFocus;
if (!window)
return;
if (window->cursorMode == GLFW_CURSOR_DISABLED)
{
/* TODO */
_glfwInputError(GLFW_PLATFORM_ERROR,
"Wayland: GLFW_CURSOR_DISABLED not supported");
return;
}
_glfwInputCursorMotion(window,
wl_fixed_to_double(sx),
wl_fixed_to_double(sy));
}
static void pointerHandleButton(void* data,
struct wl_pointer* wl_pointer,
uint32_t serial,
uint32_t time,
uint32_t button,
uint32_t state)
{
_GLFWwindow* window = _glfw.wl.pointerFocus;
int glfwButton;
if (!window)
return;
/* Makes left, right and middle 0, 1 and 2. Overall order follows evdev
* codes. */
glfwButton = button - BTN_LEFT;
_glfwInputMouseClick(window,
glfwButton,
state == WL_POINTER_BUTTON_STATE_PRESSED
? GLFW_PRESS
: GLFW_RELEASE,
_glfw.wl.xkb.modifiers);
}
static void pointerHandleAxis(void* data,
struct wl_pointer* wl_pointer,
uint32_t time,
uint32_t axis,
wl_fixed_t value)
{
_GLFWwindow* window = _glfw.wl.pointerFocus;
double scroll_factor;
double x, y;
if (!window)
return;
/* Wayland scroll events are in pointer motion coordinate space (think
* two finger scroll). The factor 10 is commonly used to convert to
* "scroll step means 1.0. */
scroll_factor = 1.0/10.0;
switch (axis)
{
case WL_POINTER_AXIS_HORIZONTAL_SCROLL:
x = wl_fixed_to_double(value) * scroll_factor;
y = 0.0;
break;
case WL_POINTER_AXIS_VERTICAL_SCROLL:
x = 0.0;
y = wl_fixed_to_double(value) * scroll_factor;
break;
default:
break;
}
_glfwInputScroll(window, x, y);
}
static const struct wl_pointer_listener pointerListener = {
pointerHandleEnter,
pointerHandleLeave,
pointerHandleMotion,
pointerHandleButton,
pointerHandleAxis,
};
static void keyboardHandleKeymap(void* data,
struct wl_keyboard* keyboard,
uint32_t format,
int fd,
uint32_t size)
{
struct xkb_keymap* keymap;
struct xkb_state* state;
char* mapStr;
if (format != WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1)
{
close(fd);
return;
}
mapStr = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0);
if (mapStr == MAP_FAILED) {
close(fd);
return;
}
keymap = xkb_map_new_from_string(_glfw.wl.xkb.context,
mapStr,
XKB_KEYMAP_FORMAT_TEXT_V1,
0);
munmap(mapStr, size);
close(fd);
if (!keymap)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Wayland: Failed to compile keymap");
return;
}
state = xkb_state_new(keymap);
if (!state)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Wayland: Failed to create XKB state");
xkb_map_unref(keymap);
return;
}
xkb_keymap_unref(_glfw.wl.xkb.keymap);
xkb_state_unref(_glfw.wl.xkb.state);
_glfw.wl.xkb.keymap = keymap;
_glfw.wl.xkb.state = state;
_glfw.wl.xkb.control_mask =
1 << xkb_map_mod_get_index(_glfw.wl.xkb.keymap, "Control");
_glfw.wl.xkb.alt_mask =
1 << xkb_map_mod_get_index(_glfw.wl.xkb.keymap, "Mod1");
_glfw.wl.xkb.shift_mask =
1 << xkb_map_mod_get_index(_glfw.wl.xkb.keymap, "Shift");
_glfw.wl.xkb.super_mask =
1 << xkb_map_mod_get_index(_glfw.wl.xkb.keymap, "Mod4");
}
static void keyboardHandleEnter(void* data,
struct wl_keyboard* keyboard,
uint32_t serial,
struct wl_surface* surface,
struct wl_array* keys)
{
_GLFWwindow* window = wl_surface_get_user_data(surface);
_glfw.wl.keyboardFocus = window;
_glfwInputWindowFocus(window, GL_TRUE);
}
static void keyboardHandleLeave(void* data,
struct wl_keyboard* keyboard,
uint32_t serial,
struct wl_surface* surface)
{
_GLFWwindow* window = _glfw.wl.keyboardFocus;
if (!window)
return;
_glfw.wl.keyboardFocus = NULL;
_glfwInputWindowFocus(window, GL_FALSE);
}
static int toGLFWKeyCode(uint32_t key)
{
switch (key)
{
case KEY_GRAVE: return GLFW_KEY_GRAVE_ACCENT;
case KEY_1: return GLFW_KEY_1;
case KEY_2: return GLFW_KEY_2;
case KEY_3: return GLFW_KEY_3;
case KEY_4: return GLFW_KEY_4;
case KEY_5: return GLFW_KEY_5;
case KEY_6: return GLFW_KEY_6;
case KEY_7: return GLFW_KEY_7;
case KEY_8: return GLFW_KEY_8;
case KEY_9: return GLFW_KEY_9;
case KEY_0: return GLFW_KEY_0;
case KEY_MINUS: return GLFW_KEY_MINUS;
case KEY_EQUAL: return GLFW_KEY_EQUAL;
case KEY_Q: return GLFW_KEY_Q;
case KEY_W: return GLFW_KEY_W;
case KEY_E: return GLFW_KEY_E;
case KEY_R: return GLFW_KEY_R;
case KEY_T: return GLFW_KEY_T;
case KEY_Y: return GLFW_KEY_Y;
case KEY_U: return GLFW_KEY_U;
case KEY_I: return GLFW_KEY_I;
case KEY_O: return GLFW_KEY_O;
case KEY_P: return GLFW_KEY_P;
case KEY_LEFTBRACE: return GLFW_KEY_LEFT_BRACKET;
case KEY_RIGHTBRACE: return GLFW_KEY_RIGHT_BRACKET;
case KEY_A: return GLFW_KEY_A;
case KEY_S: return GLFW_KEY_S;
case KEY_D: return GLFW_KEY_D;
case KEY_F: return GLFW_KEY_F;
case KEY_G: return GLFW_KEY_G;
case KEY_H: return GLFW_KEY_H;
case KEY_J: return GLFW_KEY_J;
case KEY_K: return GLFW_KEY_K;
case KEY_L: return GLFW_KEY_L;
case KEY_SEMICOLON: return GLFW_KEY_SEMICOLON;
case KEY_APOSTROPHE: return GLFW_KEY_APOSTROPHE;
case KEY_Z: return GLFW_KEY_Z;
case KEY_X: return GLFW_KEY_X;
case KEY_C: return GLFW_KEY_C;
case KEY_V: return GLFW_KEY_V;
case KEY_B: return GLFW_KEY_B;
case KEY_N: return GLFW_KEY_N;
case KEY_M: return GLFW_KEY_M;
case KEY_COMMA: return GLFW_KEY_COMMA;
case KEY_DOT: return GLFW_KEY_PERIOD;
case KEY_SLASH: return GLFW_KEY_SLASH;
case KEY_BACKSLASH: return GLFW_KEY_BACKSLASH;
case KEY_ESC: return GLFW_KEY_ESCAPE;
case KEY_TAB: return GLFW_KEY_TAB;
case KEY_LEFTSHIFT: return GLFW_KEY_LEFT_SHIFT;
case KEY_RIGHTSHIFT: return GLFW_KEY_RIGHT_SHIFT;
case KEY_LEFTCTRL: return GLFW_KEY_LEFT_CONTROL;
case KEY_RIGHTCTRL: return GLFW_KEY_RIGHT_CONTROL;
case KEY_LEFTALT: return GLFW_KEY_LEFT_ALT;
case KEY_RIGHTALT: return GLFW_KEY_RIGHT_ALT;
case KEY_LEFTMETA: return GLFW_KEY_LEFT_SUPER;
case KEY_RIGHTMETA: return GLFW_KEY_RIGHT_SUPER;
case KEY_MENU: return GLFW_KEY_MENU;
case KEY_NUMLOCK: return GLFW_KEY_NUM_LOCK;
case KEY_CAPSLOCK: return GLFW_KEY_CAPS_LOCK;
case KEY_PRINT: return GLFW_KEY_PRINT_SCREEN;
case KEY_SCROLLLOCK: return GLFW_KEY_SCROLL_LOCK;
case KEY_PAUSE: return GLFW_KEY_PAUSE;
case KEY_DELETE: return GLFW_KEY_DELETE;
case KEY_BACKSPACE: return GLFW_KEY_BACKSPACE;
case KEY_ENTER: return GLFW_KEY_ENTER;
case KEY_HOME: return GLFW_KEY_HOME;
case KEY_END: return GLFW_KEY_END;
case KEY_PAGEUP: return GLFW_KEY_PAGE_UP;
case KEY_PAGEDOWN: return GLFW_KEY_PAGE_DOWN;
case KEY_INSERT: return GLFW_KEY_INSERT;
case KEY_LEFT: return GLFW_KEY_LEFT;
case KEY_RIGHT: return GLFW_KEY_RIGHT;
case KEY_DOWN: return GLFW_KEY_DOWN;
case KEY_UP: return GLFW_KEY_UP;
case KEY_F1: return GLFW_KEY_F1;
case KEY_F2: return GLFW_KEY_F2;
case KEY_F3: return GLFW_KEY_F3;
case KEY_F4: return GLFW_KEY_F4;
case KEY_F5: return GLFW_KEY_F5;
case KEY_F6: return GLFW_KEY_F6;
case KEY_F7: return GLFW_KEY_F7;
case KEY_F8: return GLFW_KEY_F8;
case KEY_F9: return GLFW_KEY_F9;
case KEY_F10: return GLFW_KEY_F10;
case KEY_F11: return GLFW_KEY_F11;
case KEY_F12: return GLFW_KEY_F12;
case KEY_F13: return GLFW_KEY_F13;
case KEY_F14: return GLFW_KEY_F14;
case KEY_F15: return GLFW_KEY_F15;
case KEY_F16: return GLFW_KEY_F16;
case KEY_F17: return GLFW_KEY_F17;
case KEY_F18: return GLFW_KEY_F18;
case KEY_F19: return GLFW_KEY_F19;
case KEY_F20: return GLFW_KEY_F20;
case KEY_F21: return GLFW_KEY_F21;
case KEY_F22: return GLFW_KEY_F22;
case KEY_F23: return GLFW_KEY_F23;
case KEY_F24: return GLFW_KEY_F24;
case KEY_KPSLASH: return GLFW_KEY_KP_DIVIDE;
case KEY_KPDOT: return GLFW_KEY_KP_MULTIPLY;
case KEY_KPMINUS: return GLFW_KEY_KP_SUBTRACT;
case KEY_KPPLUS: return GLFW_KEY_KP_ADD;
case KEY_KP0: return GLFW_KEY_KP_0;
case KEY_KP1: return GLFW_KEY_KP_1;
case KEY_KP2: return GLFW_KEY_KP_2;
case KEY_KP3: return GLFW_KEY_KP_3;
case KEY_KP4: return GLFW_KEY_KP_4;
case KEY_KP5: return GLFW_KEY_KP_5;
case KEY_KP6: return GLFW_KEY_KP_6;
case KEY_KP7: return GLFW_KEY_KP_7;
case KEY_KP8: return GLFW_KEY_KP_8;
case KEY_KP9: return GLFW_KEY_KP_9;
case KEY_KPCOMMA: return GLFW_KEY_KP_DECIMAL;
case KEY_KPEQUAL: return GLFW_KEY_KP_EQUAL;
case KEY_KPENTER: return GLFW_KEY_KP_ENTER;
default: return GLFW_KEY_UNKNOWN;
}
}
static void keyboardHandleKey(void* data,
struct wl_keyboard* keyboard,
uint32_t serial,
uint32_t time,
uint32_t key,
uint32_t state)
{
uint32_t code, num_syms;
long cp;
int keyCode;
int action;
const xkb_keysym_t *syms;
_GLFWwindow* window = _glfw.wl.keyboardFocus;
if (!window)
return;
keyCode = toGLFWKeyCode(key);
action = state == WL_KEYBOARD_KEY_STATE_PRESSED
? GLFW_PRESS : GLFW_RELEASE;
_glfwInputKey(window, keyCode, key, action,
_glfw.wl.xkb.modifiers);
code = key + 8;
num_syms = xkb_key_get_syms(_glfw.wl.xkb.state, code, &syms);
if (num_syms == 1)
{
cp = _glfwKeySym2Unicode(syms[0]);
if (cp != -1)
{
const int mods = _glfw.wl.xkb.modifiers;
const int plain = !(mods & (GLFW_MOD_CONTROL | GLFW_MOD_ALT));
_glfwInputChar(window, cp, mods, plain);
}
}
}
static void keyboardHandleModifiers(void* data,
struct wl_keyboard* keyboard,
uint32_t serial,
uint32_t modsDepressed,
uint32_t modsLatched,
uint32_t modsLocked,
uint32_t group)
{
xkb_mod_mask_t mask;
unsigned int modifiers = 0;
if (!_glfw.wl.xkb.keymap)
return;
xkb_state_update_mask(_glfw.wl.xkb.state,
modsDepressed,
modsLatched,
modsLocked,
0,
0,
group);
mask = xkb_state_serialize_mods(_glfw.wl.xkb.state,
XKB_STATE_DEPRESSED |
XKB_STATE_LATCHED);
if (mask & _glfw.wl.xkb.control_mask)
modifiers |= GLFW_MOD_CONTROL;
if (mask & _glfw.wl.xkb.alt_mask)
modifiers |= GLFW_MOD_ALT;
if (mask & _glfw.wl.xkb.shift_mask)
modifiers |= GLFW_MOD_SHIFT;
if (mask & _glfw.wl.xkb.super_mask)
modifiers |= GLFW_MOD_SUPER;
_glfw.wl.xkb.modifiers = modifiers;
}
static const struct wl_keyboard_listener keyboardListener = {
keyboardHandleKeymap,
keyboardHandleEnter,
keyboardHandleLeave,
keyboardHandleKey,
keyboardHandleModifiers,
};
static void seatHandleCapabilities(void* data,
struct wl_seat* seat,
enum wl_seat_capability caps)
{
if ((caps & WL_SEAT_CAPABILITY_POINTER) && !_glfw.wl.pointer)
{
_glfw.wl.pointer = wl_seat_get_pointer(seat);
wl_pointer_add_listener(_glfw.wl.pointer, &pointerListener, NULL);
}
else if (!(caps & WL_SEAT_CAPABILITY_POINTER) && _glfw.wl.pointer)
{
wl_pointer_destroy(_glfw.wl.pointer);
_glfw.wl.pointer = NULL;
}
if ((caps & WL_SEAT_CAPABILITY_KEYBOARD) && !_glfw.wl.keyboard)
{
_glfw.wl.keyboard = wl_seat_get_keyboard(seat);
wl_keyboard_add_listener(_glfw.wl.keyboard, &keyboardListener, NULL);
}
else if (!(caps & WL_SEAT_CAPABILITY_KEYBOARD) && _glfw.wl.keyboard)
{
wl_keyboard_destroy(_glfw.wl.keyboard);
_glfw.wl.keyboard = NULL;
}
}
static const struct wl_seat_listener seatListener = {
seatHandleCapabilities
};
static void registryHandleGlobal(void* data,
struct wl_registry* registry,
uint32_t name,
const char* interface,
uint32_t version)
{
if (strcmp(interface, "wl_compositor") == 0)
{
_glfw.wl.compositor =
wl_registry_bind(registry, name, &wl_compositor_interface, 1);
}
else if (strcmp(interface, "wl_shm") == 0)
{
_glfw.wl.shm =
wl_registry_bind(registry, name, &wl_shm_interface, 1);
}
else if (strcmp(interface, "wl_shell") == 0)
{
_glfw.wl.shell =
wl_registry_bind(registry, name, &wl_shell_interface, 1);
}
else if (strcmp(interface, "wl_output") == 0)
{
_glfwAddOutput(name, version);
}
else if (strcmp(interface, "wl_seat") == 0)
{
if (!_glfw.wl.seat)
{
_glfw.wl.seat =
wl_registry_bind(registry, name, &wl_seat_interface, 1);
wl_seat_add_listener(_glfw.wl.seat, &seatListener, NULL);
}
}
}
static void registryHandleGlobalRemove(void *data,
struct wl_registry *registry,
uint32_t name)
{
}
static const struct wl_registry_listener registryListener = {
registryHandleGlobal,
registryHandleGlobalRemove
};
//////////////////////////////////////////////////////////////////////////
////// GLFW platform API //////
//////////////////////////////////////////////////////////////////////////
int _glfwPlatformInit(void)
{
_glfw.wl.display = wl_display_connect(NULL);
if (!_glfw.wl.display)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Wayland: Failed to connect to display");
return GL_FALSE;
}
_glfw.wl.registry = wl_display_get_registry(_glfw.wl.display);
wl_registry_add_listener(_glfw.wl.registry, ®istryListener, NULL);
_glfw.wl.monitors = calloc(4, sizeof(_GLFWmonitor*));
_glfw.wl.monitorsSize = 4;
_glfw.wl.xkb.context = xkb_context_new(0);
if (!_glfw.wl.xkb.context)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Wayland: Failed to initialize xkb context");
return GL_FALSE;
}
// Sync so we got all registry objects
wl_display_roundtrip(_glfw.wl.display);
// Sync so we got all initial output events
wl_display_roundtrip(_glfw.wl.display);
if (!_glfwInitContextAPI())
return GL_FALSE;
_glfwInitTimer();
_glfwInitJoysticks();
if (_glfw.wl.pointer && _glfw.wl.shm)
{
_glfw.wl.cursorTheme = wl_cursor_theme_load(NULL, 32, _glfw.wl.shm);
if (!_glfw.wl.cursorTheme)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Wayland: Unable to load default cursor theme\n");
return GL_FALSE;
}
_glfw.wl.defaultCursor =
wl_cursor_theme_get_cursor(_glfw.wl.cursorTheme, "left_ptr");
if (!_glfw.wl.defaultCursor)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Wayland: Unable to load default left pointer\n");
return GL_FALSE;
}
_glfw.wl.cursorSurface =
wl_compositor_create_surface(_glfw.wl.compositor);
}
return GL_TRUE;
}
void _glfwPlatformTerminate(void)
{
_glfwTerminateContextAPI();
_glfwTerminateJoysticks();
if (_glfw.wl.cursorTheme)
wl_cursor_theme_destroy(_glfw.wl.cursorTheme);
if (_glfw.wl.cursorSurface)
wl_surface_destroy(_glfw.wl.cursorSurface);
if (_glfw.wl.registry)
wl_registry_destroy(_glfw.wl.registry);
if (_glfw.wl.display)
wl_display_flush(_glfw.wl.display);
if (_glfw.wl.display)
wl_display_disconnect(_glfw.wl.display);
}
const char* _glfwPlatformGetVersionString(void)
{
const char* version = _GLFW_VERSION_NUMBER " Wayland EGL "
#if defined(_POSIX_TIMERS) && defined(_POSIX_MONOTONIC_CLOCK)
" clock_gettime"
#endif
#if defined(_GLFW_BUILD_DLL)
" shared"
#endif
;
return version;
}