--- /dev/null
+//========================================================================
+// GLFW 3.4 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.
+//
+//========================================================================
+// It is fine to use C99 in this file because it will not be built with VS
+//========================================================================
+
+#define _GNU_SOURCE
+
+#include "internal.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <unistd.h>
+#include <string.h>
+#include <fcntl.h>
+#include <sys/mman.h>
+#include <sys/timerfd.h>
+#include <poll.h>
+
+
+static int createTmpfileCloexec(char* tmpname)
+{
+ int fd;
+
+ fd = mkostemp(tmpname, O_CLOEXEC);
+ if (fd >= 0)
+ unlink(tmpname);
+
+ return fd;
+}
+
+/*
+ * Create a new, unique, anonymous file of the given size, and
+ * return the file descriptor for it. The file descriptor is set
+ * CLOEXEC. The file is immediately suitable for mmap()'ing
+ * the given size at offset zero.
+ *
+ * The file should not have a permanent backing store like a disk,
+ * but may have if XDG_RUNTIME_DIR is not properly implemented in OS.
+ *
+ * The file name is deleted from the file system.
+ *
+ * The file is suitable for buffer sharing between processes by
+ * transmitting the file descriptor over Unix sockets using the
+ * SCM_RIGHTS methods.
+ *
+ * posix_fallocate() is used to guarantee that disk space is available
+ * for the file at the given size. If disk space is insufficient, errno
+ * is set to ENOSPC. If posix_fallocate() is not supported, program may
+ * receive SIGBUS on accessing mmap()'ed file contents instead.
+ */
+static int createAnonymousFile(off_t size)
+{
+ static const char template[] = "/glfw-shared-XXXXXX";
+ const char* path;
+ char* name;
+ int fd;
+ int ret;
+
+#ifdef HAVE_MEMFD_CREATE
+ fd = memfd_create("glfw-shared", MFD_CLOEXEC | MFD_ALLOW_SEALING);
+ if (fd >= 0)
+ {
+ // We can add this seal before calling posix_fallocate(), as the file
+ // is currently zero-sized anyway.
+ //
+ // There is also no need to check for the return value, we couldn’t do
+ // anything with it anyway.
+ fcntl(fd, F_ADD_SEALS, F_SEAL_SHRINK | F_SEAL_SEAL);
+ }
+ else
+#elif defined(SHM_ANON)
+ fd = shm_open(SHM_ANON, O_RDWR | O_CLOEXEC, 0600);
+ if (fd < 0)
+#endif
+ {
+ path = getenv("XDG_RUNTIME_DIR");
+ if (!path)
+ {
+ errno = ENOENT;
+ return -1;
+ }
+
+ name = calloc(strlen(path) + sizeof(template), 1);
+ strcpy(name, path);
+ strcat(name, template);
+
+ fd = createTmpfileCloexec(name);
+ free(name);
+ if (fd < 0)
+ return -1;
+ }
+
+#if defined(SHM_ANON)
+ // posix_fallocate does not work on SHM descriptors
+ ret = ftruncate(fd, size);
+#else
+ ret = posix_fallocate(fd, 0, size);
+#endif
+ if (ret != 0)
+ {
+ close(fd);
+ errno = ret;
+ return -1;
+ }
+ return fd;
+}
+
+static struct wl_buffer* createShmBuffer(const GLFWimage* image)
+{
+ struct wl_shm_pool* pool;
+ struct wl_buffer* buffer;
+ int stride = image->width * 4;
+ int length = image->width * image->height * 4;
+ void* data;
+ int fd, i;
+
+ fd = createAnonymousFile(length);
+ if (fd < 0)
+ {
+ _glfwInputError(GLFW_PLATFORM_ERROR,
+ "Wayland: Creating a buffer file for %d B failed: %s",
+ length, strerror(errno));
+ return NULL;
+ }
+
+ data = mmap(NULL, length, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
+ if (data == MAP_FAILED)
+ {
+ _glfwInputError(GLFW_PLATFORM_ERROR,
+ "Wayland: mmap failed: %s", strerror(errno));
+ close(fd);
+ return NULL;
+ }
+
+ pool = wl_shm_create_pool(_glfw.wl.shm, fd, length);
+
+ close(fd);
+ unsigned char* source = (unsigned char*) image->pixels;
+ unsigned char* target = data;
+ for (i = 0; i < image->width * image->height; i++, source += 4)
+ {
+ unsigned int alpha = source[3];
+
+ *target++ = (unsigned char) ((source[2] * alpha) / 255);
+ *target++ = (unsigned char) ((source[1] * alpha) / 255);
+ *target++ = (unsigned char) ((source[0] * alpha) / 255);
+ *target++ = (unsigned char) alpha;
+ }
+
+ buffer =
+ wl_shm_pool_create_buffer(pool, 0,
+ image->width,
+ image->height,
+ stride, WL_SHM_FORMAT_ARGB8888);
+ munmap(data, length);
+ wl_shm_pool_destroy(pool);
+
+ return buffer;
+}
+
+static void createDecoration(_GLFWdecorationWayland* decoration,
+ struct wl_surface* parent,
+ struct wl_buffer* buffer, GLFWbool opaque,
+ int x, int y,
+ int width, int height)
+{
+ struct wl_region* region;
+
+ decoration->surface = wl_compositor_create_surface(_glfw.wl.compositor);
+ decoration->subsurface =
+ wl_subcompositor_get_subsurface(_glfw.wl.subcompositor,
+ decoration->surface, parent);
+ wl_subsurface_set_position(decoration->subsurface, x, y);
+ decoration->viewport = wp_viewporter_get_viewport(_glfw.wl.viewporter,
+ decoration->surface);
+ wp_viewport_set_destination(decoration->viewport, width, height);
+ wl_surface_attach(decoration->surface, buffer, 0, 0);
+
+ if (opaque)
+ {
+ region = wl_compositor_create_region(_glfw.wl.compositor);
+ wl_region_add(region, 0, 0, width, height);
+ wl_surface_set_opaque_region(decoration->surface, region);
+ wl_surface_commit(decoration->surface);
+ wl_region_destroy(region);
+ }
+ else
+ wl_surface_commit(decoration->surface);
+}
+
+static void createDecorations(_GLFWwindow* window)
+{
+ unsigned char data[] = { 224, 224, 224, 255 };
+ const GLFWimage image = { 1, 1, data };
+ GLFWbool opaque = (data[3] == 255);
+
+ if (!_glfw.wl.viewporter || !window->decorated || window->wl.decorations.serverSide)
+ return;
+
+ if (!window->wl.decorations.buffer)
+ window->wl.decorations.buffer = createShmBuffer(&image);
+ if (!window->wl.decorations.buffer)
+ return;
+
+ createDecoration(&window->wl.decorations.top, window->wl.surface,
+ window->wl.decorations.buffer, opaque,
+ 0, -_GLFW_DECORATION_TOP,
+ window->wl.width, _GLFW_DECORATION_TOP);
+ createDecoration(&window->wl.decorations.left, window->wl.surface,
+ window->wl.decorations.buffer, opaque,
+ -_GLFW_DECORATION_WIDTH, -_GLFW_DECORATION_TOP,
+ _GLFW_DECORATION_WIDTH, window->wl.height + _GLFW_DECORATION_TOP);
+ createDecoration(&window->wl.decorations.right, window->wl.surface,
+ window->wl.decorations.buffer, opaque,
+ window->wl.width, -_GLFW_DECORATION_TOP,
+ _GLFW_DECORATION_WIDTH, window->wl.height + _GLFW_DECORATION_TOP);
+ createDecoration(&window->wl.decorations.bottom, window->wl.surface,
+ window->wl.decorations.buffer, opaque,
+ -_GLFW_DECORATION_WIDTH, window->wl.height,
+ window->wl.width + _GLFW_DECORATION_HORIZONTAL, _GLFW_DECORATION_WIDTH);
+}
+
+static void destroyDecoration(_GLFWdecorationWayland* decoration)
+{
+ if (decoration->surface)
+ wl_surface_destroy(decoration->surface);
+ if (decoration->subsurface)
+ wl_subsurface_destroy(decoration->subsurface);
+ if (decoration->viewport)
+ wp_viewport_destroy(decoration->viewport);
+ decoration->surface = NULL;
+ decoration->subsurface = NULL;
+ decoration->viewport = NULL;
+}
+
+static void destroyDecorations(_GLFWwindow* window)
+{
+ destroyDecoration(&window->wl.decorations.top);
+ destroyDecoration(&window->wl.decorations.left);
+ destroyDecoration(&window->wl.decorations.right);
+ destroyDecoration(&window->wl.decorations.bottom);
+}
+
+static void xdgDecorationHandleConfigure(void* data,
+ struct zxdg_toplevel_decoration_v1* decoration,
+ uint32_t mode)
+{
+ _GLFWwindow* window = data;
+
+ window->wl.decorations.serverSide = (mode == ZXDG_TOPLEVEL_DECORATION_V1_MODE_SERVER_SIDE);
+
+ if (!window->wl.decorations.serverSide)
+ createDecorations(window);
+}
+
+static const struct zxdg_toplevel_decoration_v1_listener xdgDecorationListener = {
+ xdgDecorationHandleConfigure,
+};
+
+// Makes the surface considered as XRGB instead of ARGB.
+static void setOpaqueRegion(_GLFWwindow* window)
+{
+ struct wl_region* region;
+
+ region = wl_compositor_create_region(_glfw.wl.compositor);
+ if (!region)
+ return;
+
+ wl_region_add(region, 0, 0, window->wl.width, window->wl.height);
+ wl_surface_set_opaque_region(window->wl.surface, region);
+ wl_surface_commit(window->wl.surface);
+ wl_region_destroy(region);
+}
+
+
+static void resizeWindow(_GLFWwindow* window)
+{
+ int scale = window->wl.scale;
+ int scaledWidth = window->wl.width * scale;
+ int scaledHeight = window->wl.height * scale;
+ wl_egl_window_resize(window->wl.native, scaledWidth, scaledHeight, 0, 0);
+ if (!window->wl.transparent)
+ setOpaqueRegion(window);
+ _glfwInputFramebufferSize(window, scaledWidth, scaledHeight);
+ _glfwInputWindowContentScale(window, scale, scale);
+
+ if (!window->wl.decorations.top.surface)
+ return;
+
+ // Top decoration.
+ wp_viewport_set_destination(window->wl.decorations.top.viewport,
+ window->wl.width, _GLFW_DECORATION_TOP);
+ wl_surface_commit(window->wl.decorations.top.surface);
+
+ // Left decoration.
+ wp_viewport_set_destination(window->wl.decorations.left.viewport,
+ _GLFW_DECORATION_WIDTH, window->wl.height + _GLFW_DECORATION_TOP);
+ wl_surface_commit(window->wl.decorations.left.surface);
+
+ // Right decoration.
+ wl_subsurface_set_position(window->wl.decorations.right.subsurface,
+ window->wl.width, -_GLFW_DECORATION_TOP);
+ wp_viewport_set_destination(window->wl.decorations.right.viewport,
+ _GLFW_DECORATION_WIDTH, window->wl.height + _GLFW_DECORATION_TOP);
+ wl_surface_commit(window->wl.decorations.right.surface);
+
+ // Bottom decoration.
+ wl_subsurface_set_position(window->wl.decorations.bottom.subsurface,
+ -_GLFW_DECORATION_WIDTH, window->wl.height);
+ wp_viewport_set_destination(window->wl.decorations.bottom.viewport,
+ window->wl.width + _GLFW_DECORATION_HORIZONTAL, _GLFW_DECORATION_WIDTH);
+ wl_surface_commit(window->wl.decorations.bottom.surface);
+}
+
+static void checkScaleChange(_GLFWwindow* window)
+{
+ int scale = 1;
+ int i;
+ int monitorScale;
+
+ // Check if we will be able to set the buffer scale or not.
+ if (_glfw.wl.compositorVersion < 3)
+ return;
+
+ // Get the scale factor from the highest scale monitor.
+ for (i = 0; i < window->wl.monitorsCount; ++i)
+ {
+ monitorScale = window->wl.monitors[i]->wl.scale;
+ if (scale < monitorScale)
+ scale = monitorScale;
+ }
+
+ // Only change the framebuffer size if the scale changed.
+ if (scale != window->wl.scale)
+ {
+ window->wl.scale = scale;
+ wl_surface_set_buffer_scale(window->wl.surface, scale);
+ resizeWindow(window);
+ }
+}
+
+static void surfaceHandleEnter(void *data,
+ struct wl_surface *surface,
+ struct wl_output *output)
+{
+ _GLFWwindow* window = data;
+ _GLFWmonitor* monitor = wl_output_get_user_data(output);
+
+ if (window->wl.monitorsCount + 1 > window->wl.monitorsSize)
+ {
+ ++window->wl.monitorsSize;
+ window->wl.monitors =
+ realloc(window->wl.monitors,
+ window->wl.monitorsSize * sizeof(_GLFWmonitor*));
+ }
+
+ window->wl.monitors[window->wl.monitorsCount++] = monitor;
+
+ checkScaleChange(window);
+}
+
+static void surfaceHandleLeave(void *data,
+ struct wl_surface *surface,
+ struct wl_output *output)
+{
+ _GLFWwindow* window = data;
+ _GLFWmonitor* monitor = wl_output_get_user_data(output);
+ GLFWbool found;
+ int i;
+
+ for (i = 0, found = GLFW_FALSE; i < window->wl.monitorsCount - 1; ++i)
+ {
+ if (monitor == window->wl.monitors[i])
+ found = GLFW_TRUE;
+ if (found)
+ window->wl.monitors[i] = window->wl.monitors[i + 1];
+ }
+ window->wl.monitors[--window->wl.monitorsCount] = NULL;
+
+ checkScaleChange(window);
+}
+
+static const struct wl_surface_listener surfaceListener = {
+ surfaceHandleEnter,
+ surfaceHandleLeave
+};
+
+static void setIdleInhibitor(_GLFWwindow* window, GLFWbool enable)
+{
+ if (enable && !window->wl.idleInhibitor && _glfw.wl.idleInhibitManager)
+ {
+ window->wl.idleInhibitor =
+ zwp_idle_inhibit_manager_v1_create_inhibitor(
+ _glfw.wl.idleInhibitManager, window->wl.surface);
+ if (!window->wl.idleInhibitor)
+ _glfwInputError(GLFW_PLATFORM_ERROR,
+ "Wayland: Idle inhibitor creation failed");
+ }
+ else if (!enable && window->wl.idleInhibitor)
+ {
+ zwp_idle_inhibitor_v1_destroy(window->wl.idleInhibitor);
+ window->wl.idleInhibitor = NULL;
+ }
+}
+
+static GLFWbool createSurface(_GLFWwindow* window,
+ const _GLFWwndconfig* wndconfig)
+{
+ window->wl.surface = wl_compositor_create_surface(_glfw.wl.compositor);
+ if (!window->wl.surface)
+ return GLFW_FALSE;
+
+ wl_surface_add_listener(window->wl.surface,
+ &surfaceListener,
+ window);
+
+ wl_surface_set_user_data(window->wl.surface, window);
+
+ window->wl.native = wl_egl_window_create(window->wl.surface,
+ wndconfig->width,
+ wndconfig->height);
+ if (!window->wl.native)
+ return GLFW_FALSE;
+
+ window->wl.width = wndconfig->width;
+ window->wl.height = wndconfig->height;
+ window->wl.scale = 1;
+
+ if (!window->wl.transparent)
+ setOpaqueRegion(window);
+
+ 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);
+ if (width)
+ *width *= window->wl.scale;
+ if (height)
+ *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");
+}
+
+void _glfwPlatformSetWindowMousePassthrough(_GLFWwindow* window, GLFWbool enabled)
+{
+ if (enabled)
+ {
+ struct wl_region* region = wl_compositor_create_region(_glfw.wl.compositor);
+ wl_surface_set_input_region(window->wl.surface, region);
+ wl_region_destroy(region);
+ }
+ else
+ wl_surface_set_input_region(window->wl.surface, 0);
+ wl_surface_commit(window->wl.surface);
+}
+
+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;
+}
+
projects / pistorm / blobdiff