mirror of
https://github.com/glfw/glfw.git
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0dea8a4441
This adds basic support for selecting the platform type (rendering backend) when running on ANGLE. Related to #1380.
1786 lines
54 KiB
C
1786 lines
54 KiB
C
//========================================================================
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// GLFW 3.4 Wayland - www.glfw.org
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//------------------------------------------------------------------------
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// Copyright (c) 2014 Jonas Ådahl <jadahl@gmail.com>
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//
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// This software is provided 'as-is', without any express or implied
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// warranty. In no event will the authors be held liable for any damages
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// arising from the use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it
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// freely, subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software. If you use this software
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// in a product, an acknowledgment in the product documentation would
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// be appreciated but is not required.
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//
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// 2. Altered source versions must be plainly marked as such, and must not
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// be misrepresented as being the original software.
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//
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// 3. This notice may not be removed or altered from any source
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// distribution.
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//
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//========================================================================
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// It is fine to use C99 in this file because it will not be built with VS
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//========================================================================
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#define _GNU_SOURCE
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#include "internal.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <unistd.h>
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#include <string.h>
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#include <fcntl.h>
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#include <sys/mman.h>
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#include <sys/timerfd.h>
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#include <poll.h>
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static int createTmpfileCloexec(char* tmpname)
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{
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int fd;
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fd = mkostemp(tmpname, O_CLOEXEC);
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if (fd >= 0)
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unlink(tmpname);
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return fd;
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}
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/*
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* Create a new, unique, anonymous file of the given size, and
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* return the file descriptor for it. The file descriptor is set
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* CLOEXEC. The file is immediately suitable for mmap()'ing
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* the given size at offset zero.
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*
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* The file should not have a permanent backing store like a disk,
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* but may have if XDG_RUNTIME_DIR is not properly implemented in OS.
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*
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* The file name is deleted from the file system.
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*
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* The file is suitable for buffer sharing between processes by
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* transmitting the file descriptor over Unix sockets using the
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* SCM_RIGHTS methods.
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*
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* posix_fallocate() is used to guarantee that disk space is available
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* for the file at the given size. If disk space is insufficient, errno
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* is set to ENOSPC. If posix_fallocate() is not supported, program may
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* receive SIGBUS on accessing mmap()'ed file contents instead.
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*/
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static int createAnonymousFile(off_t size)
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{
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static const char template[] = "/glfw-shared-XXXXXX";
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const char* path;
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char* name;
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int fd;
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int ret;
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#ifdef HAVE_MEMFD_CREATE
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fd = memfd_create("glfw-shared", MFD_CLOEXEC | MFD_ALLOW_SEALING);
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if (fd >= 0)
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{
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// We can add this seal before calling posix_fallocate(), as the file
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// is currently zero-sized anyway.
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//
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// There is also no need to check for the return value, we couldn’t do
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// anything with it anyway.
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fcntl(fd, F_ADD_SEALS, F_SEAL_SHRINK | F_SEAL_SEAL);
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}
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else
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#elif defined(SHM_ANON)
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fd = shm_open(SHM_ANON, O_RDWR | O_CLOEXEC, 0600);
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if (fd < 0)
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#endif
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{
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path = getenv("XDG_RUNTIME_DIR");
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if (!path)
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{
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errno = ENOENT;
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return -1;
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}
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name = calloc(strlen(path) + sizeof(template), 1);
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strcpy(name, path);
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strcat(name, template);
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fd = createTmpfileCloexec(name);
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free(name);
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if (fd < 0)
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return -1;
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}
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#if defined(SHM_ANON)
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// posix_fallocate does not work on SHM descriptors
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ret = ftruncate(fd, size);
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#else
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ret = posix_fallocate(fd, 0, size);
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#endif
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if (ret != 0)
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{
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close(fd);
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errno = ret;
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return -1;
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}
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return fd;
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}
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static struct wl_buffer* createShmBuffer(const GLFWimage* image)
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{
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struct wl_shm_pool* pool;
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struct wl_buffer* buffer;
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int stride = image->width * 4;
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int length = image->width * image->height * 4;
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void* data;
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int fd, i;
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fd = createAnonymousFile(length);
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if (fd < 0)
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{
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_glfwInputError(GLFW_PLATFORM_ERROR,
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"Wayland: Creating a buffer file for %d B failed: %s",
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length, strerror(errno));
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return NULL;
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}
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data = mmap(NULL, length, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
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if (data == MAP_FAILED)
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{
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_glfwInputError(GLFW_PLATFORM_ERROR,
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"Wayland: mmap failed: %s", strerror(errno));
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close(fd);
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return NULL;
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}
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pool = wl_shm_create_pool(_glfw.wl.shm, fd, length);
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close(fd);
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unsigned char* source = (unsigned char*) image->pixels;
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unsigned char* target = data;
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for (i = 0; i < image->width * image->height; i++, source += 4)
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{
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unsigned int alpha = source[3];
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*target++ = (unsigned char) ((source[2] * alpha) / 255);
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*target++ = (unsigned char) ((source[1] * alpha) / 255);
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*target++ = (unsigned char) ((source[0] * alpha) / 255);
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*target++ = (unsigned char) alpha;
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}
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buffer =
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wl_shm_pool_create_buffer(pool, 0,
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image->width,
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image->height,
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stride, WL_SHM_FORMAT_ARGB8888);
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munmap(data, length);
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wl_shm_pool_destroy(pool);
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return buffer;
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}
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static void createDecoration(_GLFWdecorationWayland* decoration,
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struct wl_surface* parent,
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struct wl_buffer* buffer, GLFWbool opaque,
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int x, int y,
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int width, int height)
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{
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struct wl_region* region;
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decoration->surface = wl_compositor_create_surface(_glfw.wl.compositor);
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decoration->subsurface =
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wl_subcompositor_get_subsurface(_glfw.wl.subcompositor,
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decoration->surface, parent);
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wl_subsurface_set_position(decoration->subsurface, x, y);
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decoration->viewport = wp_viewporter_get_viewport(_glfw.wl.viewporter,
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decoration->surface);
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wp_viewport_set_destination(decoration->viewport, width, height);
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wl_surface_attach(decoration->surface, buffer, 0, 0);
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if (opaque)
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{
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region = wl_compositor_create_region(_glfw.wl.compositor);
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wl_region_add(region, 0, 0, width, height);
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wl_surface_set_opaque_region(decoration->surface, region);
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wl_surface_commit(decoration->surface);
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wl_region_destroy(region);
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}
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else
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wl_surface_commit(decoration->surface);
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}
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static void createDecorations(_GLFWwindow* window)
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{
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unsigned char data[] = { 224, 224, 224, 255 };
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const GLFWimage image = { 1, 1, data };
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GLFWbool opaque = (data[3] == 255);
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if (!_glfw.wl.viewporter || !window->decorated || window->wl.decorations.serverSide)
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return;
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if (!window->wl.decorations.buffer)
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window->wl.decorations.buffer = createShmBuffer(&image);
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if (!window->wl.decorations.buffer)
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return;
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createDecoration(&window->wl.decorations.top, window->wl.surface,
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window->wl.decorations.buffer, opaque,
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0, -_GLFW_DECORATION_TOP,
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window->wl.width, _GLFW_DECORATION_TOP);
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createDecoration(&window->wl.decorations.left, window->wl.surface,
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window->wl.decorations.buffer, opaque,
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-_GLFW_DECORATION_WIDTH, -_GLFW_DECORATION_TOP,
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_GLFW_DECORATION_WIDTH, window->wl.height + _GLFW_DECORATION_TOP);
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createDecoration(&window->wl.decorations.right, window->wl.surface,
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window->wl.decorations.buffer, opaque,
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window->wl.width, -_GLFW_DECORATION_TOP,
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_GLFW_DECORATION_WIDTH, window->wl.height + _GLFW_DECORATION_TOP);
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createDecoration(&window->wl.decorations.bottom, window->wl.surface,
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window->wl.decorations.buffer, opaque,
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-_GLFW_DECORATION_WIDTH, window->wl.height,
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window->wl.width + _GLFW_DECORATION_HORIZONTAL, _GLFW_DECORATION_WIDTH);
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}
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static void destroyDecoration(_GLFWdecorationWayland* decoration)
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{
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if (decoration->surface)
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wl_surface_destroy(decoration->surface);
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if (decoration->subsurface)
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wl_subsurface_destroy(decoration->subsurface);
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if (decoration->viewport)
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wp_viewport_destroy(decoration->viewport);
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decoration->surface = NULL;
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decoration->subsurface = NULL;
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decoration->viewport = NULL;
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}
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static void destroyDecorations(_GLFWwindow* window)
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{
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destroyDecoration(&window->wl.decorations.top);
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destroyDecoration(&window->wl.decorations.left);
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destroyDecoration(&window->wl.decorations.right);
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destroyDecoration(&window->wl.decorations.bottom);
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}
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static void xdgDecorationHandleConfigure(void* data,
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struct zxdg_toplevel_decoration_v1* decoration,
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uint32_t mode)
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{
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_GLFWwindow* window = data;
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window->wl.decorations.serverSide = (mode == ZXDG_TOPLEVEL_DECORATION_V1_MODE_SERVER_SIDE);
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if (!window->wl.decorations.serverSide)
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createDecorations(window);
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}
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static const struct zxdg_toplevel_decoration_v1_listener xdgDecorationListener = {
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xdgDecorationHandleConfigure,
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};
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// Makes the surface considered as XRGB instead of ARGB.
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static void setOpaqueRegion(_GLFWwindow* window)
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{
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struct wl_region* region;
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region = wl_compositor_create_region(_glfw.wl.compositor);
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if (!region)
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return;
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wl_region_add(region, 0, 0, window->wl.width, window->wl.height);
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wl_surface_set_opaque_region(window->wl.surface, region);
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wl_surface_commit(window->wl.surface);
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wl_region_destroy(region);
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}
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static void resizeWindow(_GLFWwindow* window)
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{
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int scale = window->wl.scale;
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int scaledWidth = window->wl.width * scale;
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int scaledHeight = window->wl.height * scale;
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wl_egl_window_resize(window->wl.native, scaledWidth, scaledHeight, 0, 0);
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if (!window->wl.transparent)
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setOpaqueRegion(window);
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_glfwInputFramebufferSize(window, scaledWidth, scaledHeight);
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_glfwInputWindowContentScale(window, scale, scale);
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if (!window->wl.decorations.top.surface)
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return;
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// Top decoration.
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wp_viewport_set_destination(window->wl.decorations.top.viewport,
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window->wl.width, _GLFW_DECORATION_TOP);
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wl_surface_commit(window->wl.decorations.top.surface);
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// Left decoration.
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wp_viewport_set_destination(window->wl.decorations.left.viewport,
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_GLFW_DECORATION_WIDTH, window->wl.height + _GLFW_DECORATION_TOP);
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wl_surface_commit(window->wl.decorations.left.surface);
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// Right decoration.
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wl_subsurface_set_position(window->wl.decorations.right.subsurface,
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window->wl.width, -_GLFW_DECORATION_TOP);
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wp_viewport_set_destination(window->wl.decorations.right.viewport,
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_GLFW_DECORATION_WIDTH, window->wl.height + _GLFW_DECORATION_TOP);
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wl_surface_commit(window->wl.decorations.right.surface);
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// Bottom decoration.
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wl_subsurface_set_position(window->wl.decorations.bottom.subsurface,
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-_GLFW_DECORATION_WIDTH, window->wl.height);
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wp_viewport_set_destination(window->wl.decorations.bottom.viewport,
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window->wl.width + _GLFW_DECORATION_HORIZONTAL, _GLFW_DECORATION_WIDTH);
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wl_surface_commit(window->wl.decorations.bottom.surface);
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}
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static void checkScaleChange(_GLFWwindow* window)
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{
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int scale = 1;
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int i;
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int monitorScale;
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// Check if we will be able to set the buffer scale or not.
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if (_glfw.wl.compositorVersion < 3)
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return;
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// Get the scale factor from the highest scale monitor.
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for (i = 0; i < window->wl.monitorsCount; ++i)
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{
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monitorScale = window->wl.monitors[i]->wl.scale;
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if (scale < monitorScale)
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scale = monitorScale;
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}
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// Only change the framebuffer size if the scale changed.
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if (scale != window->wl.scale)
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{
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window->wl.scale = scale;
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wl_surface_set_buffer_scale(window->wl.surface, scale);
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resizeWindow(window);
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}
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}
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static void surfaceHandleEnter(void *data,
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struct wl_surface *surface,
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struct wl_output *output)
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{
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_GLFWwindow* window = data;
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_GLFWmonitor* monitor = wl_output_get_user_data(output);
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if (window->wl.monitorsCount + 1 > window->wl.monitorsSize)
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{
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++window->wl.monitorsSize;
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window->wl.monitors =
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realloc(window->wl.monitors,
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window->wl.monitorsSize * sizeof(_GLFWmonitor*));
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}
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window->wl.monitors[window->wl.monitorsCount++] = monitor;
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checkScaleChange(window);
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}
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static void surfaceHandleLeave(void *data,
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struct wl_surface *surface,
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struct wl_output *output)
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{
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_GLFWwindow* window = data;
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_GLFWmonitor* monitor = wl_output_get_user_data(output);
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GLFWbool found;
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int i;
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for (i = 0, found = GLFW_FALSE; i < window->wl.monitorsCount - 1; ++i)
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{
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if (monitor == window->wl.monitors[i])
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found = GLFW_TRUE;
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if (found)
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window->wl.monitors[i] = window->wl.monitors[i + 1];
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}
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window->wl.monitors[--window->wl.monitorsCount] = NULL;
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checkScaleChange(window);
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}
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static const struct wl_surface_listener surfaceListener = {
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surfaceHandleEnter,
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surfaceHandleLeave
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};
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static void setIdleInhibitor(_GLFWwindow* window, GLFWbool enable)
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{
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if (enable && !window->wl.idleInhibitor && _glfw.wl.idleInhibitManager)
|
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{
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window->wl.idleInhibitor =
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zwp_idle_inhibit_manager_v1_create_inhibitor(
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_glfw.wl.idleInhibitManager, window->wl.surface);
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if (!window->wl.idleInhibitor)
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_glfwInputError(GLFW_PLATFORM_ERROR,
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"Wayland: Idle inhibitor creation failed");
|
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}
|
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else if (!enable && window->wl.idleInhibitor)
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{
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zwp_idle_inhibitor_v1_destroy(window->wl.idleInhibitor);
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window->wl.idleInhibitor = NULL;
|
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}
|
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}
|
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|
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static GLFWbool createSurface(_GLFWwindow* window,
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const _GLFWwndconfig* wndconfig)
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{
|
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window->wl.surface = wl_compositor_create_surface(_glfw.wl.compositor);
|
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if (!window->wl.surface)
|
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return GLFW_FALSE;
|
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|
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wl_surface_add_listener(window->wl.surface,
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&surfaceListener,
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window);
|
||
|
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wl_surface_set_user_data(window->wl.surface, window);
|
||
|
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window->wl.native = wl_egl_window_create(window->wl.surface,
|
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wndconfig->width,
|
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wndconfig->height);
|
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if (!window->wl.native)
|
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return GLFW_FALSE;
|
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|
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window->wl.width = wndconfig->width;
|
||
window->wl.height = wndconfig->height;
|
||
window->wl.scale = 1;
|
||
|
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if (!window->wl.transparent)
|
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setOpaqueRegion(window);
|
||
|
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return GLFW_TRUE;
|
||
}
|
||
|
||
static void setFullscreen(_GLFWwindow* window, _GLFWmonitor* monitor,
|
||
int refreshRate)
|
||
{
|
||
if (window->wl.xdg.toplevel)
|
||
{
|
||
xdg_toplevel_set_fullscreen(
|
||
window->wl.xdg.toplevel,
|
||
monitor->wl.output);
|
||
}
|
||
setIdleInhibitor(window, GLFW_TRUE);
|
||
if (!window->wl.decorations.serverSide)
|
||
destroyDecorations(window);
|
||
}
|
||
|
||
static void xdgToplevelHandleConfigure(void* data,
|
||
struct xdg_toplevel* toplevel,
|
||
int32_t width,
|
||
int32_t height,
|
||
struct wl_array* states)
|
||
{
|
||
_GLFWwindow* window = data;
|
||
float aspectRatio;
|
||
float targetRatio;
|
||
uint32_t* state;
|
||
GLFWbool maximized = GLFW_FALSE;
|
||
GLFWbool fullscreen = GLFW_FALSE;
|
||
GLFWbool activated = GLFW_FALSE;
|
||
|
||
wl_array_for_each(state, states)
|
||
{
|
||
switch (*state)
|
||
{
|
||
case XDG_TOPLEVEL_STATE_MAXIMIZED:
|
||
maximized = GLFW_TRUE;
|
||
break;
|
||
case XDG_TOPLEVEL_STATE_FULLSCREEN:
|
||
fullscreen = GLFW_TRUE;
|
||
break;
|
||
case XDG_TOPLEVEL_STATE_RESIZING:
|
||
break;
|
||
case XDG_TOPLEVEL_STATE_ACTIVATED:
|
||
activated = GLFW_TRUE;
|
||
break;
|
||
}
|
||
}
|
||
|
||
if (width != 0 && height != 0)
|
||
{
|
||
if (!maximized && !fullscreen)
|
||
{
|
||
if (window->numer != GLFW_DONT_CARE && window->denom != GLFW_DONT_CARE)
|
||
{
|
||
aspectRatio = (float)width / (float)height;
|
||
targetRatio = (float)window->numer / (float)window->denom;
|
||
if (aspectRatio < targetRatio)
|
||
height = width / targetRatio;
|
||
else if (aspectRatio > targetRatio)
|
||
width = height * targetRatio;
|
||
}
|
||
}
|
||
|
||
_glfwInputWindowSize(window, width, height);
|
||
_glfwPlatformSetWindowSize(window, width, height);
|
||
_glfwInputWindowDamage(window);
|
||
}
|
||
|
||
if (window->wl.wasFullscreen && window->autoIconify)
|
||
{
|
||
if (!activated || !fullscreen)
|
||
{
|
||
_glfwPlatformIconifyWindow(window);
|
||
window->wl.wasFullscreen = GLFW_FALSE;
|
||
}
|
||
}
|
||
if (fullscreen && activated)
|
||
window->wl.wasFullscreen = GLFW_TRUE;
|
||
_glfwInputWindowFocus(window, activated);
|
||
}
|
||
|
||
static void xdgToplevelHandleClose(void* data,
|
||
struct xdg_toplevel* toplevel)
|
||
{
|
||
_GLFWwindow* window = data;
|
||
_glfwInputWindowCloseRequest(window);
|
||
}
|
||
|
||
static const struct xdg_toplevel_listener xdgToplevelListener = {
|
||
xdgToplevelHandleConfigure,
|
||
xdgToplevelHandleClose
|
||
};
|
||
|
||
static void xdgSurfaceHandleConfigure(void* data,
|
||
struct xdg_surface* surface,
|
||
uint32_t serial)
|
||
{
|
||
xdg_surface_ack_configure(surface, serial);
|
||
}
|
||
|
||
static const struct xdg_surface_listener xdgSurfaceListener = {
|
||
xdgSurfaceHandleConfigure
|
||
};
|
||
|
||
static void setXdgDecorations(_GLFWwindow* window)
|
||
{
|
||
if (_glfw.wl.decorationManager)
|
||
{
|
||
window->wl.xdg.decoration =
|
||
zxdg_decoration_manager_v1_get_toplevel_decoration(
|
||
_glfw.wl.decorationManager, window->wl.xdg.toplevel);
|
||
zxdg_toplevel_decoration_v1_add_listener(window->wl.xdg.decoration,
|
||
&xdgDecorationListener,
|
||
window);
|
||
zxdg_toplevel_decoration_v1_set_mode(
|
||
window->wl.xdg.decoration,
|
||
ZXDG_TOPLEVEL_DECORATION_V1_MODE_SERVER_SIDE);
|
||
}
|
||
else
|
||
{
|
||
window->wl.decorations.serverSide = GLFW_FALSE;
|
||
createDecorations(window);
|
||
}
|
||
}
|
||
|
||
static GLFWbool createXdgSurface(_GLFWwindow* window)
|
||
{
|
||
window->wl.xdg.surface = xdg_wm_base_get_xdg_surface(_glfw.wl.wmBase,
|
||
window->wl.surface);
|
||
if (!window->wl.xdg.surface)
|
||
{
|
||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||
"Wayland: xdg-surface creation failed");
|
||
return GLFW_FALSE;
|
||
}
|
||
|
||
xdg_surface_add_listener(window->wl.xdg.surface,
|
||
&xdgSurfaceListener,
|
||
window);
|
||
|
||
window->wl.xdg.toplevel = xdg_surface_get_toplevel(window->wl.xdg.surface);
|
||
if (!window->wl.xdg.toplevel)
|
||
{
|
||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||
"Wayland: xdg-toplevel creation failed");
|
||
return GLFW_FALSE;
|
||
}
|
||
|
||
xdg_toplevel_add_listener(window->wl.xdg.toplevel,
|
||
&xdgToplevelListener,
|
||
window);
|
||
|
||
if (window->wl.title)
|
||
xdg_toplevel_set_title(window->wl.xdg.toplevel, window->wl.title);
|
||
|
||
if (window->minwidth != GLFW_DONT_CARE && window->minheight != GLFW_DONT_CARE)
|
||
xdg_toplevel_set_min_size(window->wl.xdg.toplevel,
|
||
window->minwidth, window->minheight);
|
||
if (window->maxwidth != GLFW_DONT_CARE && window->maxheight != GLFW_DONT_CARE)
|
||
xdg_toplevel_set_max_size(window->wl.xdg.toplevel,
|
||
window->maxwidth, window->maxheight);
|
||
|
||
if (window->monitor)
|
||
{
|
||
xdg_toplevel_set_fullscreen(window->wl.xdg.toplevel,
|
||
window->monitor->wl.output);
|
||
setIdleInhibitor(window, GLFW_TRUE);
|
||
}
|
||
else if (window->wl.maximized)
|
||
{
|
||
xdg_toplevel_set_maximized(window->wl.xdg.toplevel);
|
||
setIdleInhibitor(window, GLFW_FALSE);
|
||
setXdgDecorations(window);
|
||
}
|
||
else
|
||
{
|
||
setIdleInhibitor(window, GLFW_FALSE);
|
||
setXdgDecorations(window);
|
||
}
|
||
|
||
wl_surface_commit(window->wl.surface);
|
||
wl_display_roundtrip(_glfw.wl.display);
|
||
|
||
return GLFW_TRUE;
|
||
}
|
||
|
||
static void setCursorImage(_GLFWwindow* window,
|
||
_GLFWcursorWayland* cursorWayland)
|
||
{
|
||
struct itimerspec timer = {};
|
||
struct wl_cursor* wlCursor = cursorWayland->cursor;
|
||
struct wl_cursor_image* image;
|
||
struct wl_buffer* buffer;
|
||
struct wl_surface* surface = _glfw.wl.cursorSurface;
|
||
int scale = 1;
|
||
|
||
if (!wlCursor)
|
||
buffer = cursorWayland->buffer;
|
||
else
|
||
{
|
||
if (window->wl.scale > 1 && cursorWayland->cursorHiDPI)
|
||
{
|
||
wlCursor = cursorWayland->cursorHiDPI;
|
||
scale = 2;
|
||
}
|
||
|
||
image = wlCursor->images[cursorWayland->currentImage];
|
||
buffer = wl_cursor_image_get_buffer(image);
|
||
if (!buffer)
|
||
return;
|
||
|
||
timer.it_value.tv_sec = image->delay / 1000;
|
||
timer.it_value.tv_nsec = (image->delay % 1000) * 1000000;
|
||
timerfd_settime(_glfw.wl.cursorTimerfd, 0, &timer, NULL);
|
||
|
||
cursorWayland->width = image->width;
|
||
cursorWayland->height = image->height;
|
||
cursorWayland->xhot = image->hotspot_x;
|
||
cursorWayland->yhot = image->hotspot_y;
|
||
}
|
||
|
||
wl_pointer_set_cursor(_glfw.wl.pointer, _glfw.wl.serial,
|
||
surface,
|
||
cursorWayland->xhot / scale,
|
||
cursorWayland->yhot / scale);
|
||
wl_surface_set_buffer_scale(surface, scale);
|
||
wl_surface_attach(surface, buffer, 0, 0);
|
||
wl_surface_damage(surface, 0, 0,
|
||
cursorWayland->width, cursorWayland->height);
|
||
wl_surface_commit(surface);
|
||
}
|
||
|
||
static void incrementCursorImage(_GLFWwindow* window)
|
||
{
|
||
_GLFWcursor* cursor;
|
||
|
||
if (!window || window->wl.decorations.focus != mainWindow)
|
||
return;
|
||
|
||
cursor = window->wl.currentCursor;
|
||
if (cursor && cursor->wl.cursor)
|
||
{
|
||
cursor->wl.currentImage += 1;
|
||
cursor->wl.currentImage %= cursor->wl.cursor->image_count;
|
||
setCursorImage(window, &cursor->wl);
|
||
}
|
||
}
|
||
|
||
static void handleEvents(int timeout)
|
||
{
|
||
struct wl_display* display = _glfw.wl.display;
|
||
struct pollfd fds[] = {
|
||
{ wl_display_get_fd(display), POLLIN },
|
||
{ _glfw.wl.timerfd, POLLIN },
|
||
{ _glfw.wl.cursorTimerfd, POLLIN },
|
||
};
|
||
ssize_t read_ret;
|
||
uint64_t repeats, i;
|
||
|
||
while (wl_display_prepare_read(display) != 0)
|
||
wl_display_dispatch_pending(display);
|
||
|
||
// If an error different from EAGAIN happens, we have likely been
|
||
// disconnected from the Wayland session, try to handle that the best we
|
||
// can.
|
||
if (wl_display_flush(display) < 0 && errno != EAGAIN)
|
||
{
|
||
_GLFWwindow* window = _glfw.windowListHead;
|
||
while (window)
|
||
{
|
||
_glfwInputWindowCloseRequest(window);
|
||
window = window->next;
|
||
}
|
||
wl_display_cancel_read(display);
|
||
return;
|
||
}
|
||
|
||
if (poll(fds, 3, timeout) > 0)
|
||
{
|
||
if (fds[0].revents & POLLIN)
|
||
{
|
||
wl_display_read_events(display);
|
||
wl_display_dispatch_pending(display);
|
||
}
|
||
else
|
||
{
|
||
wl_display_cancel_read(display);
|
||
}
|
||
|
||
if (fds[1].revents & POLLIN)
|
||
{
|
||
read_ret = read(_glfw.wl.timerfd, &repeats, sizeof(repeats));
|
||
if (read_ret != 8)
|
||
return;
|
||
|
||
if (_glfw.wl.keyboardFocus)
|
||
{
|
||
for (i = 0; i < repeats; ++i)
|
||
{
|
||
_glfwInputKey(_glfw.wl.keyboardFocus,
|
||
_glfw.wl.keyboardLastKey,
|
||
_glfw.wl.keyboardLastScancode,
|
||
GLFW_REPEAT,
|
||
_glfw.wl.xkb.modifiers);
|
||
}
|
||
}
|
||
}
|
||
|
||
if (fds[2].revents & POLLIN)
|
||
{
|
||
read_ret = read(_glfw.wl.cursorTimerfd, &repeats, sizeof(repeats));
|
||
if (read_ret != 8)
|
||
return;
|
||
|
||
incrementCursorImage(_glfw.wl.pointerFocus);
|
||
}
|
||
}
|
||
else
|
||
{
|
||
wl_display_cancel_read(display);
|
||
}
|
||
}
|
||
|
||
//////////////////////////////////////////////////////////////////////////
|
||
////// GLFW platform API //////
|
||
//////////////////////////////////////////////////////////////////////////
|
||
|
||
int _glfwPlatformCreateWindow(_GLFWwindow* window,
|
||
const _GLFWwndconfig* wndconfig,
|
||
const _GLFWctxconfig* ctxconfig,
|
||
const _GLFWfbconfig* fbconfig)
|
||
{
|
||
window->wl.transparent = fbconfig->transparent;
|
||
|
||
if (!createSurface(window, wndconfig))
|
||
return GLFW_FALSE;
|
||
|
||
if (ctxconfig->client != GLFW_NO_API)
|
||
{
|
||
if (ctxconfig->source == GLFW_EGL_CONTEXT_API ||
|
||
ctxconfig->source == GLFW_NATIVE_CONTEXT_API)
|
||
{
|
||
if (!_glfwInitEGL())
|
||
return GLFW_FALSE;
|
||
if (!_glfwCreateContextEGL(window, ctxconfig, fbconfig))
|
||
return GLFW_FALSE;
|
||
}
|
||
else if (ctxconfig->source == GLFW_OSMESA_CONTEXT_API)
|
||
{
|
||
if (!_glfwInitOSMesa())
|
||
return GLFW_FALSE;
|
||
if (!_glfwCreateContextOSMesa(window, ctxconfig, fbconfig))
|
||
return GLFW_FALSE;
|
||
}
|
||
}
|
||
|
||
if (wndconfig->title)
|
||
window->wl.title = _glfw_strdup(wndconfig->title);
|
||
|
||
if (wndconfig->visible)
|
||
{
|
||
if (!createXdgSurface(window))
|
||
return GLFW_FALSE;
|
||
|
||
window->wl.visible = GLFW_TRUE;
|
||
}
|
||
else
|
||
{
|
||
window->wl.xdg.surface = NULL;
|
||
window->wl.xdg.toplevel = NULL;
|
||
window->wl.visible = GLFW_FALSE;
|
||
}
|
||
|
||
window->wl.currentCursor = NULL;
|
||
|
||
window->wl.monitors = calloc(1, sizeof(_GLFWmonitor*));
|
||
window->wl.monitorsCount = 0;
|
||
window->wl.monitorsSize = 1;
|
||
|
||
return GLFW_TRUE;
|
||
}
|
||
|
||
void _glfwPlatformDestroyWindow(_GLFWwindow* window)
|
||
{
|
||
if (window == _glfw.wl.pointerFocus)
|
||
{
|
||
_glfw.wl.pointerFocus = NULL;
|
||
_glfwInputCursorEnter(window, GLFW_FALSE);
|
||
}
|
||
if (window == _glfw.wl.keyboardFocus)
|
||
{
|
||
_glfw.wl.keyboardFocus = NULL;
|
||
_glfwInputWindowFocus(window, GLFW_FALSE);
|
||
}
|
||
|
||
if (window->wl.idleInhibitor)
|
||
zwp_idle_inhibitor_v1_destroy(window->wl.idleInhibitor);
|
||
|
||
if (window->context.destroy)
|
||
window->context.destroy(window);
|
||
|
||
destroyDecorations(window);
|
||
if (window->wl.xdg.decoration)
|
||
zxdg_toplevel_decoration_v1_destroy(window->wl.xdg.decoration);
|
||
|
||
if (window->wl.decorations.buffer)
|
||
wl_buffer_destroy(window->wl.decorations.buffer);
|
||
|
||
if (window->wl.native)
|
||
wl_egl_window_destroy(window->wl.native);
|
||
|
||
if (window->wl.xdg.toplevel)
|
||
xdg_toplevel_destroy(window->wl.xdg.toplevel);
|
||
|
||
if (window->wl.xdg.surface)
|
||
xdg_surface_destroy(window->wl.xdg.surface);
|
||
|
||
if (window->wl.surface)
|
||
wl_surface_destroy(window->wl.surface);
|
||
|
||
free(window->wl.title);
|
||
free(window->wl.monitors);
|
||
}
|
||
|
||
void _glfwPlatformSetWindowTitle(_GLFWwindow* window, const char* title)
|
||
{
|
||
if (window->wl.title)
|
||
free(window->wl.title);
|
||
window->wl.title = _glfw_strdup(title);
|
||
if (window->wl.xdg.toplevel)
|
||
xdg_toplevel_set_title(window->wl.xdg.toplevel, title);
|
||
}
|
||
|
||
void _glfwPlatformSetWindowIcon(_GLFWwindow* window,
|
||
int count, const GLFWimage* images)
|
||
{
|
||
_glfwInputError(GLFW_FEATURE_UNAVAILABLE,
|
||
"Wayland: The platform does not support setting the window icon");
|
||
}
|
||
|
||
void _glfwPlatformGetWindowPos(_GLFWwindow* window, int* xpos, int* ypos)
|
||
{
|
||
// A Wayland client is not aware of its position, so just warn and leave it
|
||
// as (0, 0)
|
||
|
||
_glfwInputError(GLFW_FEATURE_UNAVAILABLE,
|
||
"Wayland: The platform does not provide the window position");
|
||
}
|
||
|
||
void _glfwPlatformSetWindowPos(_GLFWwindow* window, int xpos, int ypos)
|
||
{
|
||
// A Wayland client can not set its position, so just warn
|
||
|
||
_glfwInputError(GLFW_FEATURE_UNAVAILABLE,
|
||
"Wayland: The platform does not support setting the window position");
|
||
}
|
||
|
||
void _glfwPlatformGetWindowSize(_GLFWwindow* window, int* width, int* height)
|
||
{
|
||
if (width)
|
||
*width = window->wl.width;
|
||
if (height)
|
||
*height = window->wl.height;
|
||
}
|
||
|
||
void _glfwPlatformSetWindowSize(_GLFWwindow* window, int width, int height)
|
||
{
|
||
window->wl.width = width;
|
||
window->wl.height = height;
|
||
resizeWindow(window);
|
||
}
|
||
|
||
void _glfwPlatformSetWindowSizeLimits(_GLFWwindow* window,
|
||
int minwidth, int minheight,
|
||
int maxwidth, int maxheight)
|
||
{
|
||
if (window->wl.xdg.toplevel)
|
||
{
|
||
if (minwidth == GLFW_DONT_CARE || minheight == GLFW_DONT_CARE)
|
||
minwidth = minheight = 0;
|
||
if (maxwidth == GLFW_DONT_CARE || maxheight == GLFW_DONT_CARE)
|
||
maxwidth = maxheight = 0;
|
||
xdg_toplevel_set_min_size(window->wl.xdg.toplevel, minwidth, minheight);
|
||
xdg_toplevel_set_max_size(window->wl.xdg.toplevel, maxwidth, maxheight);
|
||
wl_surface_commit(window->wl.surface);
|
||
}
|
||
}
|
||
|
||
void _glfwPlatformSetWindowAspectRatio(_GLFWwindow* window,
|
||
int numer, int denom)
|
||
{
|
||
// TODO: find out how to trigger a resize.
|
||
// The actual limits are checked in the xdg_toplevel::configure handler.
|
||
_glfwInputError(GLFW_FEATURE_UNIMPLEMENTED,
|
||
"Wayland: Window aspect ratio not yet implemented");
|
||
}
|
||
|
||
void _glfwPlatformGetFramebufferSize(_GLFWwindow* window,
|
||
int* width, int* height)
|
||
{
|
||
_glfwPlatformGetWindowSize(window, width, height);
|
||
*width *= window->wl.scale;
|
||
*height *= window->wl.scale;
|
||
}
|
||
|
||
void _glfwPlatformGetWindowFrameSize(_GLFWwindow* window,
|
||
int* left, int* top,
|
||
int* right, int* bottom)
|
||
{
|
||
if (window->decorated && !window->monitor && !window->wl.decorations.serverSide)
|
||
{
|
||
if (top)
|
||
*top = _GLFW_DECORATION_TOP;
|
||
if (left)
|
||
*left = _GLFW_DECORATION_WIDTH;
|
||
if (right)
|
||
*right = _GLFW_DECORATION_WIDTH;
|
||
if (bottom)
|
||
*bottom = _GLFW_DECORATION_WIDTH;
|
||
}
|
||
}
|
||
|
||
void _glfwPlatformGetWindowContentScale(_GLFWwindow* window,
|
||
float* xscale, float* yscale)
|
||
{
|
||
if (xscale)
|
||
*xscale = (float) window->wl.scale;
|
||
if (yscale)
|
||
*yscale = (float) window->wl.scale;
|
||
}
|
||
|
||
void _glfwPlatformIconifyWindow(_GLFWwindow* window)
|
||
{
|
||
if (window->wl.xdg.toplevel)
|
||
xdg_toplevel_set_minimized(window->wl.xdg.toplevel);
|
||
}
|
||
|
||
void _glfwPlatformRestoreWindow(_GLFWwindow* window)
|
||
{
|
||
if (window->wl.xdg.toplevel)
|
||
{
|
||
if (window->monitor)
|
||
xdg_toplevel_unset_fullscreen(window->wl.xdg.toplevel);
|
||
if (window->wl.maximized)
|
||
xdg_toplevel_unset_maximized(window->wl.xdg.toplevel);
|
||
// There is no way to unset minimized, or even to know if we are
|
||
// minimized, so there is nothing to do in this case.
|
||
}
|
||
_glfwInputWindowMonitor(window, NULL);
|
||
window->wl.maximized = GLFW_FALSE;
|
||
}
|
||
|
||
void _glfwPlatformMaximizeWindow(_GLFWwindow* window)
|
||
{
|
||
if (window->wl.xdg.toplevel)
|
||
{
|
||
xdg_toplevel_set_maximized(window->wl.xdg.toplevel);
|
||
}
|
||
window->wl.maximized = GLFW_TRUE;
|
||
}
|
||
|
||
void _glfwPlatformShowWindow(_GLFWwindow* window)
|
||
{
|
||
if (!window->wl.visible)
|
||
{
|
||
createXdgSurface(window);
|
||
window->wl.visible = GLFW_TRUE;
|
||
}
|
||
}
|
||
|
||
void _glfwPlatformHideWindow(_GLFWwindow* window)
|
||
{
|
||
if (window->wl.xdg.toplevel)
|
||
{
|
||
xdg_toplevel_destroy(window->wl.xdg.toplevel);
|
||
xdg_surface_destroy(window->wl.xdg.surface);
|
||
window->wl.xdg.toplevel = NULL;
|
||
window->wl.xdg.surface = NULL;
|
||
}
|
||
window->wl.visible = GLFW_FALSE;
|
||
}
|
||
|
||
void _glfwPlatformRequestWindowAttention(_GLFWwindow* window)
|
||
{
|
||
// TODO
|
||
_glfwInputError(GLFW_FEATURE_UNIMPLEMENTED,
|
||
"Wayland: Window attention request not implemented yet");
|
||
}
|
||
|
||
void _glfwPlatformFocusWindow(_GLFWwindow* window)
|
||
{
|
||
_glfwInputError(GLFW_FEATURE_UNAVAILABLE,
|
||
"Wayland: The platform does not support setting the input focus");
|
||
}
|
||
|
||
void _glfwPlatformSetWindowMonitor(_GLFWwindow* window,
|
||
_GLFWmonitor* monitor,
|
||
int xpos, int ypos,
|
||
int width, int height,
|
||
int refreshRate)
|
||
{
|
||
if (monitor)
|
||
{
|
||
setFullscreen(window, monitor, refreshRate);
|
||
}
|
||
else
|
||
{
|
||
if (window->wl.xdg.toplevel)
|
||
xdg_toplevel_unset_fullscreen(window->wl.xdg.toplevel);
|
||
setIdleInhibitor(window, GLFW_FALSE);
|
||
if (!_glfw.wl.decorationManager)
|
||
createDecorations(window);
|
||
}
|
||
_glfwInputWindowMonitor(window, monitor);
|
||
}
|
||
|
||
int _glfwPlatformWindowFocused(_GLFWwindow* window)
|
||
{
|
||
return _glfw.wl.keyboardFocus == window;
|
||
}
|
||
|
||
int _glfwPlatformWindowIconified(_GLFWwindow* window)
|
||
{
|
||
// xdg-shell doesn’t give any way to request whether a surface is
|
||
// iconified.
|
||
return GLFW_FALSE;
|
||
}
|
||
|
||
int _glfwPlatformWindowVisible(_GLFWwindow* window)
|
||
{
|
||
return window->wl.visible;
|
||
}
|
||
|
||
int _glfwPlatformWindowMaximized(_GLFWwindow* window)
|
||
{
|
||
return window->wl.maximized;
|
||
}
|
||
|
||
int _glfwPlatformWindowHovered(_GLFWwindow* window)
|
||
{
|
||
return window->wl.hovered;
|
||
}
|
||
|
||
int _glfwPlatformFramebufferTransparent(_GLFWwindow* window)
|
||
{
|
||
return window->wl.transparent;
|
||
}
|
||
|
||
void _glfwPlatformSetWindowResizable(_GLFWwindow* window, GLFWbool enabled)
|
||
{
|
||
// TODO
|
||
_glfwInputError(GLFW_FEATURE_UNIMPLEMENTED,
|
||
"Wayland: Window attribute setting not implemented yet");
|
||
}
|
||
|
||
void _glfwPlatformSetWindowDecorated(_GLFWwindow* window, GLFWbool enabled)
|
||
{
|
||
if (!window->monitor)
|
||
{
|
||
if (enabled)
|
||
createDecorations(window);
|
||
else
|
||
destroyDecorations(window);
|
||
}
|
||
}
|
||
|
||
void _glfwPlatformSetWindowFloating(_GLFWwindow* window, GLFWbool enabled)
|
||
{
|
||
// TODO
|
||
_glfwInputError(GLFW_FEATURE_UNIMPLEMENTED,
|
||
"Wayland: Window attribute setting not implemented yet");
|
||
}
|
||
|
||
float _glfwPlatformGetWindowOpacity(_GLFWwindow* window)
|
||
{
|
||
return 1.f;
|
||
}
|
||
|
||
void _glfwPlatformSetWindowOpacity(_GLFWwindow* window, float opacity)
|
||
{
|
||
_glfwInputError(GLFW_FEATURE_UNAVAILABLE,
|
||
"Wayland: The platform does not support setting the window opacity");
|
||
}
|
||
|
||
void _glfwPlatformSetRawMouseMotion(_GLFWwindow *window, GLFWbool enabled)
|
||
{
|
||
// This is handled in relativePointerHandleRelativeMotion
|
||
}
|
||
|
||
GLFWbool _glfwPlatformRawMouseMotionSupported(void)
|
||
{
|
||
return GLFW_TRUE;
|
||
}
|
||
|
||
void _glfwPlatformPollEvents(void)
|
||
{
|
||
handleEvents(0);
|
||
}
|
||
|
||
void _glfwPlatformWaitEvents(void)
|
||
{
|
||
handleEvents(-1);
|
||
}
|
||
|
||
void _glfwPlatformWaitEventsTimeout(double timeout)
|
||
{
|
||
handleEvents((int) (timeout * 1e3));
|
||
}
|
||
|
||
void _glfwPlatformPostEmptyEvent(void)
|
||
{
|
||
wl_display_sync(_glfw.wl.display);
|
||
}
|
||
|
||
void _glfwPlatformGetCursorPos(_GLFWwindow* window, double* xpos, double* ypos)
|
||
{
|
||
if (xpos)
|
||
*xpos = window->wl.cursorPosX;
|
||
if (ypos)
|
||
*ypos = window->wl.cursorPosY;
|
||
}
|
||
|
||
static GLFWbool isPointerLocked(_GLFWwindow* window);
|
||
|
||
void _glfwPlatformSetCursorPos(_GLFWwindow* window, double x, double y)
|
||
{
|
||
if (isPointerLocked(window))
|
||
{
|
||
zwp_locked_pointer_v1_set_cursor_position_hint(
|
||
window->wl.pointerLock.lockedPointer,
|
||
wl_fixed_from_double(x), wl_fixed_from_double(y));
|
||
wl_surface_commit(window->wl.surface);
|
||
}
|
||
}
|
||
|
||
void _glfwPlatformSetCursorMode(_GLFWwindow* window, int mode)
|
||
{
|
||
_glfwPlatformSetCursor(window, window->wl.currentCursor);
|
||
}
|
||
|
||
const char* _glfwPlatformGetScancodeName(int scancode)
|
||
{
|
||
// TODO
|
||
_glfwInputError(GLFW_FEATURE_UNIMPLEMENTED,
|
||
"Wayland: Key names not yet implemented");
|
||
return NULL;
|
||
}
|
||
|
||
int _glfwPlatformGetKeyScancode(int key)
|
||
{
|
||
return _glfw.wl.scancodes[key];
|
||
}
|
||
|
||
int _glfwPlatformCreateCursor(_GLFWcursor* cursor,
|
||
const GLFWimage* image,
|
||
int xhot, int yhot)
|
||
{
|
||
cursor->wl.buffer = createShmBuffer(image);
|
||
if (!cursor->wl.buffer)
|
||
return GLFW_FALSE;
|
||
|
||
cursor->wl.width = image->width;
|
||
cursor->wl.height = image->height;
|
||
cursor->wl.xhot = xhot;
|
||
cursor->wl.yhot = yhot;
|
||
return GLFW_TRUE;
|
||
}
|
||
|
||
int _glfwPlatformCreateStandardCursor(_GLFWcursor* cursor, int shape)
|
||
{
|
||
const char* name = NULL;
|
||
|
||
// Try the XDG names first
|
||
if (shape == GLFW_ARROW_CURSOR)
|
||
name = "default";
|
||
else if (shape == GLFW_IBEAM_CURSOR)
|
||
name = "text";
|
||
else if (shape == GLFW_CROSSHAIR_CURSOR)
|
||
name = "crosshair";
|
||
else if (shape == GLFW_POINTING_HAND_CURSOR)
|
||
name = "pointer";
|
||
else if (shape == GLFW_RESIZE_EW_CURSOR)
|
||
name = "ew-resize";
|
||
else if (shape == GLFW_RESIZE_NS_CURSOR)
|
||
name = "ns-resize";
|
||
else if (shape == GLFW_RESIZE_NWSE_CURSOR)
|
||
name = "nwse-resize";
|
||
else if (shape == GLFW_RESIZE_NESW_CURSOR)
|
||
name = "nesw-resize";
|
||
else if (shape == GLFW_RESIZE_ALL_CURSOR)
|
||
name = "all-scroll";
|
||
else if (shape == GLFW_NOT_ALLOWED_CURSOR)
|
||
name = "not-allowed";
|
||
|
||
cursor->wl.cursor = wl_cursor_theme_get_cursor(_glfw.wl.cursorTheme, name);
|
||
|
||
if (_glfw.wl.cursorThemeHiDPI)
|
||
{
|
||
cursor->wl.cursorHiDPI =
|
||
wl_cursor_theme_get_cursor(_glfw.wl.cursorThemeHiDPI, name);
|
||
}
|
||
|
||
if (!cursor->wl.cursor)
|
||
{
|
||
// Fall back to the core X11 names
|
||
if (shape == GLFW_ARROW_CURSOR)
|
||
name = "left_ptr";
|
||
else if (shape == GLFW_IBEAM_CURSOR)
|
||
name = "xterm";
|
||
else if (shape == GLFW_CROSSHAIR_CURSOR)
|
||
name = "crosshair";
|
||
else if (shape == GLFW_POINTING_HAND_CURSOR)
|
||
name = "hand2";
|
||
else if (shape == GLFW_RESIZE_EW_CURSOR)
|
||
name = "sb_h_double_arrow";
|
||
else if (shape == GLFW_RESIZE_NS_CURSOR)
|
||
name = "sb_v_double_arrow";
|
||
else if (shape == GLFW_RESIZE_ALL_CURSOR)
|
||
name = "fleur";
|
||
else
|
||
{
|
||
_glfwInputError(GLFW_CURSOR_UNAVAILABLE,
|
||
"Wayland: Standard cursor shape unavailable");
|
||
return GLFW_FALSE;
|
||
}
|
||
|
||
cursor->wl.cursor = wl_cursor_theme_get_cursor(_glfw.wl.cursorTheme, name);
|
||
if (!cursor->wl.cursor)
|
||
{
|
||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||
"Wayland: Failed to create standard cursor \"%s\"",
|
||
name);
|
||
return GLFW_FALSE;
|
||
}
|
||
|
||
if (_glfw.wl.cursorThemeHiDPI)
|
||
{
|
||
if (!cursor->wl.cursorHiDPI)
|
||
{
|
||
cursor->wl.cursorHiDPI =
|
||
wl_cursor_theme_get_cursor(_glfw.wl.cursorThemeHiDPI, name);
|
||
}
|
||
}
|
||
}
|
||
|
||
return GLFW_TRUE;
|
||
}
|
||
|
||
void _glfwPlatformDestroyCursor(_GLFWcursor* cursor)
|
||
{
|
||
// If it's a standard cursor we don't need to do anything here
|
||
if (cursor->wl.cursor)
|
||
return;
|
||
|
||
if (cursor->wl.buffer)
|
||
wl_buffer_destroy(cursor->wl.buffer);
|
||
}
|
||
|
||
static void relativePointerHandleRelativeMotion(void* data,
|
||
struct zwp_relative_pointer_v1* pointer,
|
||
uint32_t timeHi,
|
||
uint32_t timeLo,
|
||
wl_fixed_t dx,
|
||
wl_fixed_t dy,
|
||
wl_fixed_t dxUnaccel,
|
||
wl_fixed_t dyUnaccel)
|
||
{
|
||
_GLFWwindow* window = data;
|
||
double xpos = window->virtualCursorPosX;
|
||
double ypos = window->virtualCursorPosY;
|
||
|
||
if (window->cursorMode != GLFW_CURSOR_DISABLED)
|
||
return;
|
||
|
||
if (window->rawMouseMotion)
|
||
{
|
||
xpos += wl_fixed_to_double(dxUnaccel);
|
||
ypos += wl_fixed_to_double(dyUnaccel);
|
||
}
|
||
else
|
||
{
|
||
xpos += wl_fixed_to_double(dx);
|
||
ypos += wl_fixed_to_double(dy);
|
||
}
|
||
|
||
_glfwInputCursorPos(window, xpos, ypos);
|
||
}
|
||
|
||
static const struct zwp_relative_pointer_v1_listener relativePointerListener = {
|
||
relativePointerHandleRelativeMotion
|
||
};
|
||
|
||
static void lockedPointerHandleLocked(void* data,
|
||
struct zwp_locked_pointer_v1* lockedPointer)
|
||
{
|
||
}
|
||
|
||
static void unlockPointer(_GLFWwindow* window)
|
||
{
|
||
struct zwp_relative_pointer_v1* relativePointer =
|
||
window->wl.pointerLock.relativePointer;
|
||
struct zwp_locked_pointer_v1* lockedPointer =
|
||
window->wl.pointerLock.lockedPointer;
|
||
|
||
zwp_relative_pointer_v1_destroy(relativePointer);
|
||
zwp_locked_pointer_v1_destroy(lockedPointer);
|
||
|
||
window->wl.pointerLock.relativePointer = NULL;
|
||
window->wl.pointerLock.lockedPointer = NULL;
|
||
}
|
||
|
||
static void lockPointer(_GLFWwindow* window);
|
||
|
||
static void lockedPointerHandleUnlocked(void* data,
|
||
struct zwp_locked_pointer_v1* lockedPointer)
|
||
{
|
||
}
|
||
|
||
static const struct zwp_locked_pointer_v1_listener lockedPointerListener = {
|
||
lockedPointerHandleLocked,
|
||
lockedPointerHandleUnlocked
|
||
};
|
||
|
||
static void lockPointer(_GLFWwindow* window)
|
||
{
|
||
struct zwp_relative_pointer_v1* relativePointer;
|
||
struct zwp_locked_pointer_v1* lockedPointer;
|
||
|
||
if (!_glfw.wl.relativePointerManager)
|
||
{
|
||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||
"Wayland: no relative pointer manager");
|
||
return;
|
||
}
|
||
|
||
relativePointer =
|
||
zwp_relative_pointer_manager_v1_get_relative_pointer(
|
||
_glfw.wl.relativePointerManager,
|
||
_glfw.wl.pointer);
|
||
zwp_relative_pointer_v1_add_listener(relativePointer,
|
||
&relativePointerListener,
|
||
window);
|
||
|
||
lockedPointer =
|
||
zwp_pointer_constraints_v1_lock_pointer(
|
||
_glfw.wl.pointerConstraints,
|
||
window->wl.surface,
|
||
_glfw.wl.pointer,
|
||
NULL,
|
||
ZWP_POINTER_CONSTRAINTS_V1_LIFETIME_PERSISTENT);
|
||
zwp_locked_pointer_v1_add_listener(lockedPointer,
|
||
&lockedPointerListener,
|
||
window);
|
||
|
||
window->wl.pointerLock.relativePointer = relativePointer;
|
||
window->wl.pointerLock.lockedPointer = lockedPointer;
|
||
|
||
wl_pointer_set_cursor(_glfw.wl.pointer, _glfw.wl.serial,
|
||
NULL, 0, 0);
|
||
}
|
||
|
||
static GLFWbool isPointerLocked(_GLFWwindow* window)
|
||
{
|
||
return window->wl.pointerLock.lockedPointer != NULL;
|
||
}
|
||
|
||
void _glfwPlatformSetCursor(_GLFWwindow* window, _GLFWcursor* cursor)
|
||
{
|
||
struct wl_cursor* defaultCursor;
|
||
struct wl_cursor* defaultCursorHiDPI = NULL;
|
||
|
||
if (!_glfw.wl.pointer)
|
||
return;
|
||
|
||
window->wl.currentCursor = cursor;
|
||
|
||
// If we're not in the correct window just save the cursor
|
||
// the next time the pointer enters the window the cursor will change
|
||
if (window != _glfw.wl.pointerFocus || window->wl.decorations.focus != mainWindow)
|
||
return;
|
||
|
||
// Unlock possible pointer lock if no longer disabled.
|
||
if (window->cursorMode != GLFW_CURSOR_DISABLED && isPointerLocked(window))
|
||
unlockPointer(window);
|
||
|
||
if (window->cursorMode == GLFW_CURSOR_NORMAL)
|
||
{
|
||
if (cursor)
|
||
setCursorImage(window, &cursor->wl);
|
||
else
|
||
{
|
||
defaultCursor = wl_cursor_theme_get_cursor(_glfw.wl.cursorTheme,
|
||
"left_ptr");
|
||
if (!defaultCursor)
|
||
{
|
||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||
"Wayland: Standard cursor not found");
|
||
return;
|
||
}
|
||
if (_glfw.wl.cursorThemeHiDPI)
|
||
defaultCursorHiDPI =
|
||
wl_cursor_theme_get_cursor(_glfw.wl.cursorThemeHiDPI,
|
||
"left_ptr");
|
||
_GLFWcursorWayland cursorWayland = {
|
||
defaultCursor,
|
||
defaultCursorHiDPI,
|
||
NULL,
|
||
0, 0,
|
||
0, 0,
|
||
0
|
||
};
|
||
setCursorImage(window, &cursorWayland);
|
||
}
|
||
}
|
||
else if (window->cursorMode == GLFW_CURSOR_DISABLED)
|
||
{
|
||
if (!isPointerLocked(window))
|
||
lockPointer(window);
|
||
}
|
||
else if (window->cursorMode == GLFW_CURSOR_HIDDEN)
|
||
{
|
||
wl_pointer_set_cursor(_glfw.wl.pointer, _glfw.wl.serial, NULL, 0, 0);
|
||
}
|
||
}
|
||
|
||
static void dataSourceHandleTarget(void* data,
|
||
struct wl_data_source* dataSource,
|
||
const char* mimeType)
|
||
{
|
||
if (_glfw.wl.dataSource != dataSource)
|
||
{
|
||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||
"Wayland: Unknown clipboard data source");
|
||
return;
|
||
}
|
||
}
|
||
|
||
static void dataSourceHandleSend(void* data,
|
||
struct wl_data_source* dataSource,
|
||
const char* mimeType,
|
||
int fd)
|
||
{
|
||
const char* string = _glfw.wl.clipboardSendString;
|
||
size_t len = _glfw.wl.clipboardSendSize;
|
||
int ret;
|
||
|
||
if (_glfw.wl.dataSource != dataSource)
|
||
{
|
||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||
"Wayland: Unknown clipboard data source");
|
||
return;
|
||
}
|
||
|
||
if (!string)
|
||
{
|
||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||
"Wayland: Copy requested from an invalid string");
|
||
return;
|
||
}
|
||
|
||
if (strcmp(mimeType, "text/plain;charset=utf-8") != 0)
|
||
{
|
||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||
"Wayland: Wrong MIME type asked from clipboard");
|
||
close(fd);
|
||
return;
|
||
}
|
||
|
||
while (len > 0)
|
||
{
|
||
ret = write(fd, string, len);
|
||
if (ret == -1 && errno == EINTR)
|
||
continue;
|
||
if (ret == -1)
|
||
{
|
||
// TODO: also report errno maybe.
|
||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||
"Wayland: Error while writing the clipboard");
|
||
close(fd);
|
||
return;
|
||
}
|
||
len -= ret;
|
||
}
|
||
close(fd);
|
||
}
|
||
|
||
static void dataSourceHandleCancelled(void* data,
|
||
struct wl_data_source* dataSource)
|
||
{
|
||
wl_data_source_destroy(dataSource);
|
||
|
||
if (_glfw.wl.dataSource != dataSource)
|
||
{
|
||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||
"Wayland: Unknown clipboard data source");
|
||
return;
|
||
}
|
||
|
||
_glfw.wl.dataSource = NULL;
|
||
}
|
||
|
||
static const struct wl_data_source_listener dataSourceListener = {
|
||
dataSourceHandleTarget,
|
||
dataSourceHandleSend,
|
||
dataSourceHandleCancelled,
|
||
};
|
||
|
||
void _glfwPlatformSetClipboardString(const char* string)
|
||
{
|
||
if (_glfw.wl.dataSource)
|
||
{
|
||
wl_data_source_destroy(_glfw.wl.dataSource);
|
||
_glfw.wl.dataSource = NULL;
|
||
}
|
||
|
||
if (_glfw.wl.clipboardSendString)
|
||
{
|
||
free(_glfw.wl.clipboardSendString);
|
||
_glfw.wl.clipboardSendString = NULL;
|
||
}
|
||
|
||
_glfw.wl.clipboardSendString = strdup(string);
|
||
if (!_glfw.wl.clipboardSendString)
|
||
{
|
||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||
"Wayland: Impossible to allocate clipboard string");
|
||
return;
|
||
}
|
||
_glfw.wl.clipboardSendSize = strlen(string);
|
||
_glfw.wl.dataSource =
|
||
wl_data_device_manager_create_data_source(_glfw.wl.dataDeviceManager);
|
||
if (!_glfw.wl.dataSource)
|
||
{
|
||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||
"Wayland: Impossible to create clipboard source");
|
||
free(_glfw.wl.clipboardSendString);
|
||
return;
|
||
}
|
||
wl_data_source_add_listener(_glfw.wl.dataSource,
|
||
&dataSourceListener,
|
||
NULL);
|
||
wl_data_source_offer(_glfw.wl.dataSource, "text/plain;charset=utf-8");
|
||
wl_data_device_set_selection(_glfw.wl.dataDevice,
|
||
_glfw.wl.dataSource,
|
||
_glfw.wl.serial);
|
||
}
|
||
|
||
static GLFWbool growClipboardString(void)
|
||
{
|
||
char* clipboard = _glfw.wl.clipboardString;
|
||
|
||
clipboard = realloc(clipboard, _glfw.wl.clipboardSize * 2);
|
||
if (!clipboard)
|
||
{
|
||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||
"Wayland: Impossible to grow clipboard string");
|
||
return GLFW_FALSE;
|
||
}
|
||
_glfw.wl.clipboardString = clipboard;
|
||
_glfw.wl.clipboardSize = _glfw.wl.clipboardSize * 2;
|
||
return GLFW_TRUE;
|
||
}
|
||
|
||
const char* _glfwPlatformGetClipboardString(void)
|
||
{
|
||
int fds[2];
|
||
int ret;
|
||
size_t len = 0;
|
||
|
||
if (!_glfw.wl.dataOffer)
|
||
{
|
||
_glfwInputError(GLFW_FORMAT_UNAVAILABLE,
|
||
"No clipboard data has been sent yet");
|
||
return NULL;
|
||
}
|
||
|
||
ret = pipe2(fds, O_CLOEXEC);
|
||
if (ret < 0)
|
||
{
|
||
// TODO: also report errno maybe?
|
||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||
"Wayland: Impossible to create clipboard pipe fds");
|
||
return NULL;
|
||
}
|
||
|
||
wl_data_offer_receive(_glfw.wl.dataOffer, "text/plain;charset=utf-8", fds[1]);
|
||
close(fds[1]);
|
||
|
||
// XXX: this is a huge hack, this function shouldn’t be synchronous!
|
||
handleEvents(-1);
|
||
|
||
while (1)
|
||
{
|
||
// Grow the clipboard if we need to paste something bigger, there is no
|
||
// shrink operation yet.
|
||
if (len + 4096 > _glfw.wl.clipboardSize)
|
||
{
|
||
if (!growClipboardString())
|
||
{
|
||
close(fds[0]);
|
||
return NULL;
|
||
}
|
||
}
|
||
|
||
// Then read from the fd to the clipboard, handling all known errors.
|
||
ret = read(fds[0], _glfw.wl.clipboardString + len, 4096);
|
||
if (ret == 0)
|
||
break;
|
||
if (ret == -1 && errno == EINTR)
|
||
continue;
|
||
if (ret == -1)
|
||
{
|
||
// TODO: also report errno maybe.
|
||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||
"Wayland: Impossible to read from clipboard fd");
|
||
close(fds[0]);
|
||
return NULL;
|
||
}
|
||
len += ret;
|
||
}
|
||
close(fds[0]);
|
||
if (len + 1 > _glfw.wl.clipboardSize)
|
||
{
|
||
if (!growClipboardString())
|
||
return NULL;
|
||
}
|
||
_glfw.wl.clipboardString[len] = '\0';
|
||
return _glfw.wl.clipboardString;
|
||
}
|
||
|
||
EGLenum _glfwPlatformGetEGLPlatform(EGLint** attribs)
|
||
{
|
||
if (_glfw.egl.EXT_platform_base && _glfw.egl.EXT_platform_wayland)
|
||
return EGL_PLATFORM_WAYLAND_EXT;
|
||
else
|
||
return 0;
|
||
}
|
||
|
||
EGLNativeDisplayType _glfwPlatformGetEGLNativeDisplay(void)
|
||
{
|
||
return _glfw.wl.display;
|
||
}
|
||
|
||
EGLNativeWindowType _glfwPlatformGetEGLNativeWindow(_GLFWwindow* window)
|
||
{
|
||
return window->wl.native;
|
||
}
|
||
|
||
void _glfwPlatformGetRequiredInstanceExtensions(char** extensions)
|
||
{
|
||
if (!_glfw.vk.KHR_surface || !_glfw.vk.KHR_wayland_surface)
|
||
return;
|
||
|
||
extensions[0] = "VK_KHR_surface";
|
||
extensions[1] = "VK_KHR_wayland_surface";
|
||
}
|
||
|
||
int _glfwPlatformGetPhysicalDevicePresentationSupport(VkInstance instance,
|
||
VkPhysicalDevice device,
|
||
uint32_t queuefamily)
|
||
{
|
||
PFN_vkGetPhysicalDeviceWaylandPresentationSupportKHR
|
||
vkGetPhysicalDeviceWaylandPresentationSupportKHR =
|
||
(PFN_vkGetPhysicalDeviceWaylandPresentationSupportKHR)
|
||
vkGetInstanceProcAddr(instance, "vkGetPhysicalDeviceWaylandPresentationSupportKHR");
|
||
if (!vkGetPhysicalDeviceWaylandPresentationSupportKHR)
|
||
{
|
||
_glfwInputError(GLFW_API_UNAVAILABLE,
|
||
"Wayland: Vulkan instance missing VK_KHR_wayland_surface extension");
|
||
return VK_NULL_HANDLE;
|
||
}
|
||
|
||
return vkGetPhysicalDeviceWaylandPresentationSupportKHR(device,
|
||
queuefamily,
|
||
_glfw.wl.display);
|
||
}
|
||
|
||
VkResult _glfwPlatformCreateWindowSurface(VkInstance instance,
|
||
_GLFWwindow* window,
|
||
const VkAllocationCallbacks* allocator,
|
||
VkSurfaceKHR* surface)
|
||
{
|
||
VkResult err;
|
||
VkWaylandSurfaceCreateInfoKHR sci;
|
||
PFN_vkCreateWaylandSurfaceKHR vkCreateWaylandSurfaceKHR;
|
||
|
||
vkCreateWaylandSurfaceKHR = (PFN_vkCreateWaylandSurfaceKHR)
|
||
vkGetInstanceProcAddr(instance, "vkCreateWaylandSurfaceKHR");
|
||
if (!vkCreateWaylandSurfaceKHR)
|
||
{
|
||
_glfwInputError(GLFW_API_UNAVAILABLE,
|
||
"Wayland: Vulkan instance missing VK_KHR_wayland_surface extension");
|
||
return VK_ERROR_EXTENSION_NOT_PRESENT;
|
||
}
|
||
|
||
memset(&sci, 0, sizeof(sci));
|
||
sci.sType = VK_STRUCTURE_TYPE_WAYLAND_SURFACE_CREATE_INFO_KHR;
|
||
sci.display = _glfw.wl.display;
|
||
sci.surface = window->wl.surface;
|
||
|
||
err = vkCreateWaylandSurfaceKHR(instance, &sci, allocator, surface);
|
||
if (err)
|
||
{
|
||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||
"Wayland: Failed to create Vulkan surface: %s",
|
||
_glfwGetVulkanResultString(err));
|
||
}
|
||
|
||
return err;
|
||
}
|
||
|
||
|
||
//////////////////////////////////////////////////////////////////////////
|
||
////// GLFW native API //////
|
||
//////////////////////////////////////////////////////////////////////////
|
||
|
||
GLFWAPI struct wl_display* glfwGetWaylandDisplay(void)
|
||
{
|
||
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
|
||
return _glfw.wl.display;
|
||
}
|
||
|
||
GLFWAPI struct wl_surface* glfwGetWaylandWindow(GLFWwindow* handle)
|
||
{
|
||
_GLFWwindow* window = (_GLFWwindow*) handle;
|
||
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
|
||
return window->wl.surface;
|
||
}
|
||
|