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Diffstat (limited to 'ext/glfw/src/wl_window.c')
| -rw-r--r-- | ext/glfw/src/wl_window.c | 3318 |
1 files changed, 3318 insertions, 0 deletions
diff --git a/ext/glfw/src/wl_window.c b/ext/glfw/src/wl_window.c new file mode 100644 index 0000000..72c1a40 --- /dev/null +++ b/ext/glfw/src/wl_window.c @@ -0,0 +1,3318 @@ +//======================================================================== +// GLFW 3.5 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. +// +//======================================================================== + +#define _GNU_SOURCE + +#include "internal.h" + +#if defined(_GLFW_WAYLAND) + +#include <stdio.h> +#include <stdlib.h> +#include <errno.h> +#include <assert.h> +#include <unistd.h> +#include <string.h> +#include <fcntl.h> +#include <sys/mman.h> +#include <sys/timerfd.h> +#include <poll.h> +#include <linux/input-event-codes.h> + +#include "wayland-client-protocol.h" +#include "xdg-shell-client-protocol.h" +#include "xdg-decoration-unstable-v1-client-protocol.h" +#include "viewporter-client-protocol.h" +#include "relative-pointer-unstable-v1-client-protocol.h" +#include "pointer-constraints-unstable-v1-client-protocol.h" +#include "xdg-activation-v1-client-protocol.h" +#include "idle-inhibit-unstable-v1-client-protocol.h" +#include "fractional-scale-v1-client-protocol.h" + +#define GLFW_BORDER_SIZE 4 +#define GLFW_CAPTION_HEIGHT 24 + +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 = _glfw_calloc(strlen(path) + sizeof(template), 1); + strcpy(name, path); + strcat(name, template); + + fd = createTmpfileCloexec(name); + _glfw_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) +{ + const int stride = image->width * 4; + const int length = image->width * image->height * 4; + + const int fd = createAnonymousFile(length); + if (fd < 0) + { + _glfwInputError(GLFW_PLATFORM_ERROR, + "Wayland: Failed to create buffer file of size %d: %s", + length, strerror(errno)); + return NULL; + } + + void* data = mmap(NULL, length, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); + if (data == MAP_FAILED) + { + _glfwInputError(GLFW_PLATFORM_ERROR, + "Wayland: Failed to map file: %s", strerror(errno)); + close(fd); + return NULL; + } + + struct wl_shm_pool* pool = wl_shm_create_pool(_glfw.wl.shm, fd, length); + + close(fd); + + unsigned char* source = (unsigned char*) image->pixels; + unsigned char* target = data; + for (int 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; + } + + struct wl_buffer* 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 createFallbackEdge(_GLFWwindow* window, + _GLFWfallbackEdgeWayland* edge, + struct wl_surface* parent, + struct wl_buffer* buffer, + int x, int y, + int width, int height) +{ + edge->surface = wl_compositor_create_surface(_glfw.wl.compositor); + wl_surface_set_user_data(edge->surface, window); + wl_proxy_set_tag((struct wl_proxy*) edge->surface, &_glfw.wl.tag); + edge->subsurface = wl_subcompositor_get_subsurface(_glfw.wl.subcompositor, + edge->surface, parent); + wl_subsurface_set_position(edge->subsurface, x, y); + edge->viewport = wp_viewporter_get_viewport(_glfw.wl.viewporter, + edge->surface); + wp_viewport_set_destination(edge->viewport, width, height); + wl_surface_attach(edge->surface, buffer, 0, 0); + + struct wl_region* region = wl_compositor_create_region(_glfw.wl.compositor); + wl_region_add(region, 0, 0, width, height); + wl_surface_set_opaque_region(edge->surface, region); + wl_surface_commit(edge->surface); + wl_region_destroy(region); +} + +static void createFallbackDecorations(_GLFWwindow* window) +{ + unsigned char data[] = { 224, 224, 224, 255 }; + const GLFWimage image = { 1, 1, data }; + + if (!_glfw.wl.viewporter) + return; + + if (!window->wl.fallback.buffer) + window->wl.fallback.buffer = createShmBuffer(&image); + if (!window->wl.fallback.buffer) + return; + + createFallbackEdge(window, &window->wl.fallback.top, window->wl.surface, + window->wl.fallback.buffer, + 0, -GLFW_CAPTION_HEIGHT, + window->wl.width, GLFW_CAPTION_HEIGHT); + createFallbackEdge(window, &window->wl.fallback.left, window->wl.surface, + window->wl.fallback.buffer, + -GLFW_BORDER_SIZE, -GLFW_CAPTION_HEIGHT, + GLFW_BORDER_SIZE, window->wl.height + GLFW_CAPTION_HEIGHT); + createFallbackEdge(window, &window->wl.fallback.right, window->wl.surface, + window->wl.fallback.buffer, + window->wl.width, -GLFW_CAPTION_HEIGHT, + GLFW_BORDER_SIZE, window->wl.height + GLFW_CAPTION_HEIGHT); + createFallbackEdge(window, &window->wl.fallback.bottom, window->wl.surface, + window->wl.fallback.buffer, + -GLFW_BORDER_SIZE, window->wl.height, + window->wl.width + GLFW_BORDER_SIZE * 2, GLFW_BORDER_SIZE); + + window->wl.fallback.decorations = GLFW_TRUE; +} + +static void destroyFallbackEdge(_GLFWfallbackEdgeWayland* edge) +{ + if (edge->subsurface) + wl_subsurface_destroy(edge->subsurface); + if (edge->surface) + wl_surface_destroy(edge->surface); + if (edge->viewport) + wp_viewport_destroy(edge->viewport); + + edge->surface = NULL; + edge->subsurface = NULL; + edge->viewport = NULL; +} + +static void destroyFallbackDecorations(_GLFWwindow* window) +{ + window->wl.fallback.decorations = GLFW_FALSE; + + destroyFallbackEdge(&window->wl.fallback.top); + destroyFallbackEdge(&window->wl.fallback.left); + destroyFallbackEdge(&window->wl.fallback.right); + destroyFallbackEdge(&window->wl.fallback.bottom); +} + +static void xdgDecorationHandleConfigure(void* userData, + struct zxdg_toplevel_decoration_v1* decoration, + uint32_t mode) +{ + _GLFWwindow* window = userData; + + window->wl.xdg.decorationMode = mode; + + if (mode == ZXDG_TOPLEVEL_DECORATION_V1_MODE_CLIENT_SIDE) + { + if (window->decorated && !window->monitor) + createFallbackDecorations(window); + } + else + destroyFallbackDecorations(window); +} + +static const struct zxdg_toplevel_decoration_v1_listener xdgDecorationListener = +{ + xdgDecorationHandleConfigure, +}; + +// Makes the surface considered as XRGB instead of ARGB. +static void setContentAreaOpaque(_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_region_destroy(region); +} + +static void resizeFramebuffer(_GLFWwindow* window) +{ + if (window->wl.fractionalScale) + { + window->wl.fbWidth = (window->wl.width * window->wl.scalingNumerator) / 120; + window->wl.fbHeight = (window->wl.height * window->wl.scalingNumerator) / 120; + } + else + { + window->wl.fbWidth = window->wl.width * window->wl.bufferScale; + window->wl.fbHeight = window->wl.height * window->wl.bufferScale; + } + + if (window->wl.egl.window) + { + wl_egl_window_resize(window->wl.egl.window, + window->wl.fbWidth, + window->wl.fbHeight, + 0, 0); + } + + if (!window->wl.transparent) + setContentAreaOpaque(window); + + _glfwInputFramebufferSize(window, window->wl.fbWidth, window->wl.fbHeight); +} + +static GLFWbool resizeWindow(_GLFWwindow* window, int width, int height) +{ + width = _glfw_max(width, 1); + height = _glfw_max(height, 1); + + if (width == window->wl.width && height == window->wl.height) + return GLFW_FALSE; + + window->wl.width = width; + window->wl.height = height; + + resizeFramebuffer(window); + + if (window->wl.scalingViewport) + { + wp_viewport_set_destination(window->wl.scalingViewport, + window->wl.width, + window->wl.height); + } + + if (window->wl.fallback.decorations) + { + wp_viewport_set_destination(window->wl.fallback.top.viewport, + window->wl.width, + GLFW_CAPTION_HEIGHT); + wl_surface_commit(window->wl.fallback.top.surface); + + wp_viewport_set_destination(window->wl.fallback.left.viewport, + GLFW_BORDER_SIZE, + window->wl.height + GLFW_CAPTION_HEIGHT); + wl_surface_commit(window->wl.fallback.left.surface); + + wl_subsurface_set_position(window->wl.fallback.right.subsurface, + window->wl.width, -GLFW_CAPTION_HEIGHT); + wp_viewport_set_destination(window->wl.fallback.right.viewport, + GLFW_BORDER_SIZE, + window->wl.height + GLFW_CAPTION_HEIGHT); + wl_surface_commit(window->wl.fallback.right.surface); + + wl_subsurface_set_position(window->wl.fallback.bottom.subsurface, + -GLFW_BORDER_SIZE, window->wl.height); + wp_viewport_set_destination(window->wl.fallback.bottom.viewport, + window->wl.width + GLFW_BORDER_SIZE * 2, + GLFW_BORDER_SIZE); + wl_surface_commit(window->wl.fallback.bottom.surface); + } + + return GLFW_TRUE; +} + +void _glfwUpdateBufferScaleFromOutputsWayland(_GLFWwindow* window) +{ + if (wl_compositor_get_version(_glfw.wl.compositor) < + WL_SURFACE_SET_BUFFER_SCALE_SINCE_VERSION) + { + return; + } + + if (!window->wl.scaleFramebuffer) + return; + + // When using fractional scaling, the buffer scale should remain at 1 + if (window->wl.fractionalScale) + return; + + // Get the scale factor from the highest scale monitor. + int32_t maxScale = 1; + + for (size_t i = 0; i < window->wl.outputScaleCount; i++) + maxScale = _glfw_max(window->wl.outputScales[i].factor, maxScale); + + // Only change the framebuffer size if the scale changed. + if (window->wl.bufferScale != maxScale) + { + window->wl.bufferScale = maxScale; + wl_surface_set_buffer_scale(window->wl.surface, maxScale); + _glfwInputWindowContentScale(window, maxScale, maxScale); + resizeFramebuffer(window); + + if (window->wl.visible) + _glfwInputWindowDamage(window); + } +} + +static void surfaceHandleEnter(void* userData, + struct wl_surface* surface, + struct wl_output* output) +{ + if (wl_proxy_get_tag((struct wl_proxy*) output) != &_glfw.wl.tag) + return; + + _GLFWwindow* window = userData; + _GLFWmonitor* monitor = wl_output_get_user_data(output); + if (!window || !monitor) + return; + + if (window->wl.outputScaleCount + 1 > window->wl.outputScaleSize) + { + window->wl.outputScaleSize++; + window->wl.outputScales = + _glfw_realloc(window->wl.outputScales, + window->wl.outputScaleSize * sizeof(_GLFWscaleWayland)); + } + + window->wl.outputScaleCount++; + window->wl.outputScales[window->wl.outputScaleCount - 1] = + (_GLFWscaleWayland) { output, monitor->wl.scale }; + + _glfwUpdateBufferScaleFromOutputsWayland(window); +} + +static void surfaceHandleLeave(void* userData, + struct wl_surface* surface, + struct wl_output* output) +{ + if (wl_proxy_get_tag((struct wl_proxy*) output) != &_glfw.wl.tag) + return; + + _GLFWwindow* window = userData; + + for (size_t i = 0; i < window->wl.outputScaleCount; i++) + { + if (window->wl.outputScales[i].output == output) + { + window->wl.outputScales[i] = + window->wl.outputScales[window->wl.outputScaleCount - 1]; + window->wl.outputScaleCount--; + break; + } + } + + _glfwUpdateBufferScaleFromOutputsWayland(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: Failed to create idle inhibitor"); + } + else if (!enable && window->wl.idleInhibitor) + { + zwp_idle_inhibitor_v1_destroy(window->wl.idleInhibitor); + window->wl.idleInhibitor = NULL; + } +} + +// Make the specified window and its video mode active on its monitor +// +static void acquireMonitor(_GLFWwindow* window) +{ + if (window->wl.libdecor.frame) + { + libdecor_frame_set_fullscreen(window->wl.libdecor.frame, + window->monitor->wl.output); + } + else if (window->wl.xdg.toplevel) + { + xdg_toplevel_set_fullscreen(window->wl.xdg.toplevel, + window->monitor->wl.output); + } + + setIdleInhibitor(window, GLFW_TRUE); + + if (window->wl.fallback.decorations) + destroyFallbackDecorations(window); +} + +// Remove the window and restore the original video mode +// +static void releaseMonitor(_GLFWwindow* window) +{ + if (window->wl.libdecor.frame) + libdecor_frame_unset_fullscreen(window->wl.libdecor.frame); + else if (window->wl.xdg.toplevel) + xdg_toplevel_unset_fullscreen(window->wl.xdg.toplevel); + + setIdleInhibitor(window, GLFW_FALSE); + + if (!window->wl.libdecor.frame && + window->wl.xdg.decorationMode != ZXDG_TOPLEVEL_DECORATION_V1_MODE_SERVER_SIDE) + { + if (window->decorated) + createFallbackDecorations(window); + } +} + +void fractionalScaleHandlePreferredScale(void* userData, + struct wp_fractional_scale_v1* fractionalScale, + uint32_t numerator) +{ + _GLFWwindow* window = userData; + + window->wl.scalingNumerator = numerator; + _glfwInputWindowContentScale(window, numerator / 120.f, numerator / 120.f); + resizeFramebuffer(window); + + if (window->wl.visible) + _glfwInputWindowDamage(window); +} + +const struct wp_fractional_scale_v1_listener fractionalScaleListener = +{ + fractionalScaleHandlePreferredScale, +}; + +static void xdgToplevelHandleConfigure(void* userData, + struct xdg_toplevel* toplevel, + int32_t width, + int32_t height, + struct wl_array* states) +{ + _GLFWwindow* window = userData; + uint32_t* state; + + window->wl.pending.activated = GLFW_FALSE; + window->wl.pending.maximized = GLFW_FALSE; + window->wl.pending.fullscreen = GLFW_FALSE; + + wl_array_for_each(state, states) + { + switch (*state) + { + case XDG_TOPLEVEL_STATE_MAXIMIZED: + window->wl.pending.maximized = GLFW_TRUE; + break; + case XDG_TOPLEVEL_STATE_FULLSCREEN: + window->wl.pending.fullscreen = GLFW_TRUE; + break; + case XDG_TOPLEVEL_STATE_RESIZING: + break; + case XDG_TOPLEVEL_STATE_ACTIVATED: + window->wl.pending.activated = GLFW_TRUE; + break; + } + } + + if (width && height) + { + if (window->wl.fallback.decorations) + { + window->wl.pending.width = _glfw_max(0, width - GLFW_BORDER_SIZE * 2); + window->wl.pending.height = + _glfw_max(0, height - GLFW_BORDER_SIZE - GLFW_CAPTION_HEIGHT); + } + else + { + window->wl.pending.width = width; + window->wl.pending.height = height; + } + } + else + { + window->wl.pending.width = window->wl.width; + window->wl.pending.height = window->wl.height; + } +} + +static void xdgToplevelHandleClose(void* userData, + struct xdg_toplevel* toplevel) +{ + _GLFWwindow* window = userData; + _glfwInputWindowCloseRequest(window); +} + +static const struct xdg_toplevel_listener xdgToplevelListener = +{ + xdgToplevelHandleConfigure, + xdgToplevelHandleClose +}; + +static void xdgSurfaceHandleConfigure(void* userData, + struct xdg_surface* surface, + uint32_t serial) +{ + _GLFWwindow* window = userData; + + xdg_surface_ack_configure(surface, serial); + + if (window->wl.activated != window->wl.pending.activated) + { + window->wl.activated = window->wl.pending.activated; + if (!window->wl.activated) + { + if (window->monitor && window->autoIconify) + xdg_toplevel_set_minimized(window->wl.xdg.toplevel); + } + } + + if (window->wl.maximized != window->wl.pending.maximized) + { + window->wl.maximized = window->wl.pending.maximized; + _glfwInputWindowMaximize(window, window->wl.maximized); + } + + window->wl.fullscreen = window->wl.pending.fullscreen; + + int width = window->wl.pending.width; + int height = window->wl.pending.height; + + if (!window->wl.maximized && !window->wl.fullscreen) + { + if (window->numer != GLFW_DONT_CARE && window->denom != GLFW_DONT_CARE) + { + const float aspectRatio = (float) width / (float) height; + const float targetRatio = (float) window->numer / (float) window->denom; + if (aspectRatio < targetRatio) + height = width / targetRatio; + else if (aspectRatio > targetRatio) + width = height * targetRatio; + } + } + + if (resizeWindow(window, width, height)) + { + _glfwInputWindowSize(window, window->wl.width, window->wl.height); + + if (window->wl.visible) + _glfwInputWindowDamage(window); + } + + if (!window->wl.visible) + { + // Allow the window to be mapped only if it either has no XDG + // decorations or they have already received a configure event + if (!window->wl.xdg.decoration || window->wl.xdg.decorationMode) + { + window->wl.visible = GLFW_TRUE; + _glfwInputWindowDamage(window); + } + } +} + +static const struct xdg_surface_listener xdgSurfaceListener = +{ + xdgSurfaceHandleConfigure +}; + +void libdecorFrameHandleConfigure(struct libdecor_frame* frame, + struct libdecor_configuration* config, + void* userData) +{ + _GLFWwindow* window = userData; + int width, height; + + enum libdecor_window_state windowState; + GLFWbool fullscreen, activated, maximized; + + if (libdecor_configuration_get_window_state(config, &windowState)) + { + fullscreen = (windowState & LIBDECOR_WINDOW_STATE_FULLSCREEN) != 0; + activated = (windowState & LIBDECOR_WINDOW_STATE_ACTIVE) != 0; + maximized = (windowState & LIBDECOR_WINDOW_STATE_MAXIMIZED) != 0; + } + else + { + fullscreen = window->wl.fullscreen; + activated = window->wl.activated; + maximized = window->wl.maximized; + } + + if (!libdecor_configuration_get_content_size(config, frame, &width, &height)) + { + width = window->wl.width; + height = window->wl.height; + } + + if (!maximized && !fullscreen) + { + if (window->numer != GLFW_DONT_CARE && window->denom != GLFW_DONT_CARE) + { + const float aspectRatio = (float) width / (float) height; + const float targetRatio = (float) window->numer / (float) window->denom; + if (aspectRatio < targetRatio) + height = width / targetRatio; + else if (aspectRatio > targetRatio) + width = height * targetRatio; + } + } + + struct libdecor_state* frameState = libdecor_state_new(width, height); + libdecor_frame_commit(frame, frameState, config); + libdecor_state_free(frameState); + + if (window->wl.activated != activated) + { + window->wl.activated = activated; + if (!window->wl.activated) + { + if (window->monitor && window->autoIconify) + libdecor_frame_set_minimized(window->wl.libdecor.frame); + } + } + + if (window->wl.maximized != maximized) + { + window->wl.maximized = maximized; + _glfwInputWindowMaximize(window, window->wl.maximized); + } + + window->wl.fullscreen = fullscreen; + + GLFWbool damaged = GLFW_FALSE; + + if (!window->wl.visible) + { + window->wl.visible = GLFW_TRUE; + damaged = GLFW_TRUE; + } + + if (resizeWindow(window, width, height)) + { + _glfwInputWindowSize(window, window->wl.width, window->wl.height); + damaged = GLFW_TRUE; + } + + if (damaged) + _glfwInputWindowDamage(window); + else + wl_surface_commit(window->wl.surface); +} + +void libdecorFrameHandleClose(struct libdecor_frame* frame, void* userData) +{ + _GLFWwindow* window = userData; + _glfwInputWindowCloseRequest(window); +} + +void libdecorFrameHandleCommit(struct libdecor_frame* frame, void* userData) +{ + _GLFWwindow* window = userData; + wl_surface_commit(window->wl.surface); +} + +void libdecorFrameHandleDismissPopup(struct libdecor_frame* frame, + const char* seatName, + void* userData) +{ +} + +static const struct libdecor_frame_interface libdecorFrameInterface = +{ + libdecorFrameHandleConfigure, + libdecorFrameHandleClose, + libdecorFrameHandleCommit, + libdecorFrameHandleDismissPopup +}; + +static GLFWbool createLibdecorFrame(_GLFWwindow* window) +{ + // Allow libdecor to finish initialization of itself and its plugin + while (!_glfw.wl.libdecor.ready) + _glfwWaitEventsWayland(); + + window->wl.libdecor.frame = libdecor_decorate(_glfw.wl.libdecor.context, + window->wl.surface, + &libdecorFrameInterface, + window); + if (!window->wl.libdecor.frame) + { + _glfwInputError(GLFW_PLATFORM_ERROR, + "Wayland: Failed to create libdecor frame"); + return GLFW_FALSE; + } + + struct libdecor_state* frameState = + libdecor_state_new(window->wl.width, window->wl.height); + libdecor_frame_commit(window->wl.libdecor.frame, frameState, NULL); + libdecor_state_free(frameState); + + if (strlen(window->wl.appId)) + libdecor_frame_set_app_id(window->wl.libdecor.frame, window->wl.appId); + + libdecor_frame_set_title(window->wl.libdecor.frame, window->title); + + if (window->minwidth != GLFW_DONT_CARE && + window->minheight != GLFW_DONT_CARE) + { + libdecor_frame_set_min_content_size(window->wl.libdecor.frame, + window->minwidth, + window->minheight); + } + + if (window->maxwidth != GLFW_DONT_CARE && + window->maxheight != GLFW_DONT_CARE) + { + libdecor_frame_set_max_content_size(window->wl.libdecor.frame, + window->maxwidth, + window->maxheight); + } + + if (!window->resizable) + { + libdecor_frame_unset_capabilities(window->wl.libdecor.frame, + LIBDECOR_ACTION_RESIZE); + } + + if (window->monitor) + { + libdecor_frame_set_fullscreen(window->wl.libdecor.frame, + window->monitor->wl.output); + setIdleInhibitor(window, GLFW_TRUE); + } + else + { + if (window->wl.maximized) + libdecor_frame_set_maximized(window->wl.libdecor.frame); + + if (!window->decorated) + libdecor_frame_set_visibility(window->wl.libdecor.frame, false); + + setIdleInhibitor(window, GLFW_FALSE); + } + + libdecor_frame_map(window->wl.libdecor.frame); + wl_display_roundtrip(_glfw.wl.display); + return GLFW_TRUE; +} + +static void updateXdgSizeLimits(_GLFWwindow* window) +{ + int minwidth, minheight, maxwidth, maxheight; + + if (window->resizable) + { + if (window->minwidth == GLFW_DONT_CARE || window->minheight == GLFW_DONT_CARE) + minwidth = minheight = 0; + else + { + minwidth = window->minwidth; + minheight = window->minheight; + + if (window->wl.fallback.decorations) + { + minwidth += GLFW_BORDER_SIZE * 2; + minheight += GLFW_CAPTION_HEIGHT + GLFW_BORDER_SIZE; + } + } + + if (window->maxwidth == GLFW_DONT_CARE || window->maxheight == GLFW_DONT_CARE) + maxwidth = maxheight = 0; + else + { + maxwidth = window->maxwidth; + maxheight = window->maxheight; + + if (window->wl.fallback.decorations) + { + maxwidth += GLFW_BORDER_SIZE * 2; + maxheight += GLFW_CAPTION_HEIGHT + GLFW_BORDER_SIZE; + } + } + } + else + { + minwidth = maxwidth = window->wl.width; + minheight = maxheight = window->wl.height; + } + + xdg_toplevel_set_min_size(window->wl.xdg.toplevel, minwidth, minheight); + xdg_toplevel_set_max_size(window->wl.xdg.toplevel, maxwidth, maxheight); +} + +static GLFWbool createXdgShellObjects(_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: Failed to create xdg-surface for window"); + 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: Failed to create xdg-toplevel for window"); + return GLFW_FALSE; + } + + xdg_toplevel_add_listener(window->wl.xdg.toplevel, &xdgToplevelListener, window); + + if (window->wl.appId) + xdg_toplevel_set_app_id(window->wl.xdg.toplevel, window->wl.appId); + + xdg_toplevel_set_title(window->wl.xdg.toplevel, window->title); + + 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); + } + + 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); + + uint32_t mode; + + if (window->decorated) + mode = ZXDG_TOPLEVEL_DECORATION_V1_MODE_SERVER_SIDE; + else + mode = ZXDG_TOPLEVEL_DECORATION_V1_MODE_CLIENT_SIDE; + + zxdg_toplevel_decoration_v1_set_mode(window->wl.xdg.decoration, mode); + } + else + { + if (window->decorated && !window->monitor) + createFallbackDecorations(window); + } + + updateXdgSizeLimits(window); + + wl_surface_commit(window->wl.surface); + wl_display_roundtrip(_glfw.wl.display); + return GLFW_TRUE; +} + +static GLFWbool createShellObjects(_GLFWwindow* window) +{ + if (_glfw.wl.libdecor.context) + { + if (createLibdecorFrame(window)) + return GLFW_TRUE; + } + + return createXdgShellObjects(window); +} + +static void destroyShellObjects(_GLFWwindow* window) +{ + destroyFallbackDecorations(window); + + if (window->wl.libdecor.frame) + libdecor_frame_unref(window->wl.libdecor.frame); + + if (window->wl.xdg.decoration) + zxdg_toplevel_decoration_v1_destroy(window->wl.xdg.decoration); + + if (window->wl.xdg.toplevel) + xdg_toplevel_destroy(window->wl.xdg.toplevel); + + if (window->wl.xdg.surface) + xdg_surface_destroy(window->wl.xdg.surface); + + window->wl.libdecor.frame = NULL; + window->wl.xdg.decoration = NULL; + window->wl.xdg.decorationMode = 0; + window->wl.xdg.toplevel = NULL; + window->wl.xdg.surface = NULL; +} + +static GLFWbool createNativeSurface(_GLFWwindow* window, + const _GLFWwndconfig* wndconfig, + const _GLFWfbconfig* fbconfig) +{ + window->wl.surface = wl_compositor_create_surface(_glfw.wl.compositor); + if (!window->wl.surface) + { + _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Failed to create window surface"); + return GLFW_FALSE; + } + + wl_proxy_set_tag((struct wl_proxy*) window->wl.surface, &_glfw.wl.tag); + wl_surface_add_listener(window->wl.surface, + &surfaceListener, + window); + + window->wl.width = wndconfig->width; + window->wl.height = wndconfig->height; + window->wl.fbWidth = wndconfig->width; + window->wl.fbHeight = wndconfig->height; + window->wl.appId = _glfw_strdup(wndconfig->wl.appId); + + window->wl.bufferScale = 1; + window->wl.scalingNumerator = 120; + window->wl.scaleFramebuffer = wndconfig->scaleFramebuffer; + + window->wl.maximized = wndconfig->maximized; + + window->wl.transparent = fbconfig->transparent; + if (!window->wl.transparent) + setContentAreaOpaque(window); + + if (_glfw.wl.fractionalScaleManager) + { + if (window->wl.scaleFramebuffer) + { + window->wl.scalingViewport = + wp_viewporter_get_viewport(_glfw.wl.viewporter, window->wl.surface); + + wp_viewport_set_destination(window->wl.scalingViewport, + window->wl.width, + window->wl.height); + + window->wl.fractionalScale = + wp_fractional_scale_manager_v1_get_fractional_scale( + _glfw.wl.fractionalScaleManager, + window->wl.surface); + + wp_fractional_scale_v1_add_listener(window->wl.fractionalScale, + &fractionalScaleListener, + window); + } + } + + return GLFW_TRUE; +} + +static void setCursorImage(_GLFWwindow* window, + _GLFWcursorWayland* cursorWayland) +{ + struct itimerspec timer = {0}; + 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.bufferScale > 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.pointerEnterSerial, + 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.hovered) + 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 GLFWbool flushDisplay(void) +{ + while (wl_display_flush(_glfw.wl.display) == -1) + { + if (errno != EAGAIN) + return GLFW_FALSE; + + struct pollfd fd = { wl_display_get_fd(_glfw.wl.display), POLLOUT }; + + while (poll(&fd, 1, -1) == -1) + { + if (errno != EINTR && errno != EAGAIN) + return GLFW_FALSE; + } + } + + return GLFW_TRUE; +} + +static int translateKey(uint32_t scancode) +{ + if (scancode < sizeof(_glfw.wl.keycodes) / sizeof(_glfw.wl.keycodes[0])) + return _glfw.wl.keycodes[scancode]; + + return GLFW_KEY_UNKNOWN; +} + +static xkb_keysym_t composeSymbol(xkb_keysym_t sym) +{ + if (sym == XKB_KEY_NoSymbol || !_glfw.wl.xkb.composeState) + return sym; + if (xkb_compose_state_feed(_glfw.wl.xkb.composeState, sym) + != XKB_COMPOSE_FEED_ACCEPTED) + return sym; + switch (xkb_compose_state_get_status(_glfw.wl.xkb.composeState)) + { + case XKB_COMPOSE_COMPOSED: + return xkb_compose_state_get_one_sym(_glfw.wl.xkb.composeState); + case XKB_COMPOSE_COMPOSING: + case XKB_COMPOSE_CANCELLED: + return XKB_KEY_NoSymbol; + case XKB_COMPOSE_NOTHING: + default: + return sym; + } +} + +static void inputText(_GLFWwindow* window, uint32_t scancode) +{ + const xkb_keysym_t* keysyms; + const xkb_keycode_t keycode = scancode + 8; + + if (xkb_state_key_get_syms(_glfw.wl.xkb.state, keycode, &keysyms) == 1) + { + const xkb_keysym_t keysym = composeSymbol(keysyms[0]); + const uint32_t codepoint = xkb_keysym_to_utf32(keysym); + if (codepoint != 0) + { + const int mods = _glfw.wl.xkb.modifiers; + const int plain = !(mods & (GLFW_MOD_CONTROL | GLFW_MOD_ALT)); + _glfwInputChar(window, codepoint, mods, plain); + } + } +} + +static void handleEvents(double* timeout) +{ +#if defined(GLFW_BUILD_LINUX_JOYSTICK) + if (_glfw.joysticksInitialized) + _glfwDetectJoystickConnectionLinux(); +#endif + + GLFWbool event = GLFW_FALSE; + enum { DISPLAY_FD, KEYREPEAT_FD, CURSOR_FD, LIBDECOR_FD }; + struct pollfd fds[] = + { + [DISPLAY_FD] = { wl_display_get_fd(_glfw.wl.display), POLLIN }, + [KEYREPEAT_FD] = { _glfw.wl.keyRepeatTimerfd, POLLIN }, + [CURSOR_FD] = { _glfw.wl.cursorTimerfd, POLLIN }, + [LIBDECOR_FD] = { -1, POLLIN } + }; + + if (_glfw.wl.libdecor.context) + fds[LIBDECOR_FD].fd = libdecor_get_fd(_glfw.wl.libdecor.context); + + while (!event) + { + while (wl_display_prepare_read(_glfw.wl.display) != 0) + { + if (wl_display_dispatch_pending(_glfw.wl.display) > 0) + return; + } + + // If an error other than EAGAIN happens, we have likely been disconnected + // from the Wayland session; try to handle that the best we can. + if (!flushDisplay()) + { + wl_display_cancel_read(_glfw.wl.display); + + _GLFWwindow* window = _glfw.windowListHead; + while (window) + { + _glfwInputWindowCloseRequest(window); + window = window->next; + } + + return; + } + + if (!_glfwPollPOSIX(fds, sizeof(fds) / sizeof(fds[0]), timeout)) + { + wl_display_cancel_read(_glfw.wl.display); + return; + } + + if (fds[DISPLAY_FD].revents & POLLIN) + { + wl_display_read_events(_glfw.wl.display); + if (wl_display_dispatch_pending(_glfw.wl.display) > 0) + event = GLFW_TRUE; + } + else + wl_display_cancel_read(_glfw.wl.display); + + if (fds[KEYREPEAT_FD].revents & POLLIN) + { + uint64_t repeats; + + if (read(_glfw.wl.keyRepeatTimerfd, &repeats, sizeof(repeats)) == 8) + { + for (uint64_t i = 0; i < repeats; i++) + { + _glfwInputKey(_glfw.wl.keyboardFocus, + translateKey(_glfw.wl.keyRepeatScancode), + _glfw.wl.keyRepeatScancode, + GLFW_PRESS, + _glfw.wl.xkb.modifiers); + inputText(_glfw.wl.keyboardFocus, _glfw.wl.keyRepeatScancode); + } + + event = GLFW_TRUE; + } + } + + if (fds[CURSOR_FD].revents & POLLIN) + { + uint64_t repeats; + + if (read(_glfw.wl.cursorTimerfd, &repeats, sizeof(repeats)) == 8) + incrementCursorImage(_glfw.wl.pointerFocus); + } + + if (fds[LIBDECOR_FD].revents & POLLIN) + { + if (libdecor_dispatch(_glfw.wl.libdecor.context, 0) > 0) + event = GLFW_TRUE; + } + } +} + +// Reads the specified data offer as the specified MIME type +// +static char* readDataOfferAsString(struct wl_data_offer* offer, const char* mimeType) +{ + int fds[2]; + + if (pipe2(fds, O_CLOEXEC) == -1) + { + _glfwInputError(GLFW_PLATFORM_ERROR, + "Wayland: Failed to create pipe for data offer: %s", + strerror(errno)); + return NULL; + } + + wl_data_offer_receive(offer, mimeType, fds[1]); + flushDisplay(); + close(fds[1]); + + char* string = NULL; + size_t size = 0; + size_t length = 0; + + for (;;) + { + const size_t readSize = 4096; + const size_t requiredSize = length + readSize + 1; + if (requiredSize > size) + { + char* longer = _glfw_realloc(string, requiredSize); + if (!longer) + { + _glfwInputError(GLFW_OUT_OF_MEMORY, NULL); + close(fds[0]); + return NULL; + } + + string = longer; + size = requiredSize; + } + + const ssize_t result = read(fds[0], string + length, readSize); + if (result == 0) + break; + else if (result == -1) + { + if (errno == EINTR) + continue; + + _glfwInputError(GLFW_PLATFORM_ERROR, + "Wayland: Failed to read from data offer pipe: %s", + strerror(errno)); + close(fds[0]); + return NULL; + } + + length += result; + } + + close(fds[0]); + + string[length] = '\0'; + return string; +} + +static void pointerHandleEnter(void* userData, + struct wl_pointer* pointer, + uint32_t serial, + struct wl_surface* surface, + wl_fixed_t sx, + wl_fixed_t sy) +{ + // Happens in the case we just destroyed the surface. + if (!surface) + return; + + if (wl_proxy_get_tag((struct wl_proxy*) surface) != &_glfw.wl.tag) + return; + + _GLFWwindow* window = wl_surface_get_user_data(surface); + + _glfw.wl.serial = serial; + _glfw.wl.pointerEnterSerial = serial; + _glfw.wl.pointerFocus = window; + + if (surface == window->wl.surface) + { + window->wl.hovered = GLFW_TRUE; + _glfwSetCursorWayland(window, window->wl.currentCursor); + _glfwInputCursorEnter(window, GLFW_TRUE); + } + else + { + if (window->wl.fallback.decorations) + window->wl.fallback.focus = surface; + } +} + +static void pointerHandleLeave(void* userData, + struct wl_pointer* pointer, + uint32_t serial, + struct wl_surface* surface) +{ + if (!surface) + return; + + if (wl_proxy_get_tag((struct wl_proxy*) surface) != &_glfw.wl.tag) + return; + + _GLFWwindow* window = _glfw.wl.pointerFocus; + if (!window) + return; + + _glfw.wl.serial = serial; + _glfw.wl.pointerFocus = NULL; + _glfw.wl.cursorPreviousName = NULL; + + if (window->wl.hovered) + { + window->wl.hovered = GLFW_FALSE; + _glfwInputCursorEnter(window, GLFW_FALSE); + } + else + { + if (window->wl.fallback.decorations) + window->wl.fallback.focus = NULL; + } +} + +static void pointerHandleMotion(void* userData, + struct wl_pointer* pointer, + uint32_t time, + wl_fixed_t sx, + wl_fixed_t sy) +{ + _GLFWwindow* window = _glfw.wl.pointerFocus; + if (!window) + return; + + if (window->cursorMode == GLFW_CURSOR_DISABLED) + return; + + const double xpos = wl_fixed_to_double(sx); + const double ypos = wl_fixed_to_double(sy); + window->wl.cursorPosX = xpos; + window->wl.cursorPosY = ypos; + + if (window->wl.hovered) + { + _glfw.wl.cursorPreviousName = NULL; + _glfwInputCursorPos(window, xpos, ypos); + return; + } + + if (window->wl.fallback.decorations) + { + const char* cursorName = "left_ptr"; + + if (window->resizable) + { + if (window->wl.fallback.focus == window->wl.fallback.top.surface) + { + if (ypos < GLFW_BORDER_SIZE) + cursorName = "n-resize"; + } + else if (window->wl.fallback.focus == window->wl.fallback.left.surface) + { + if (ypos < GLFW_BORDER_SIZE) + cursorName = "nw-resize"; + else + cursorName = "w-resize"; + } + else if (window->wl.fallback.focus == window->wl.fallback.right.surface) + { + if (ypos < GLFW_BORDER_SIZE) + cursorName = "ne-resize"; + else + cursorName = "e-resize"; + } + else if (window->wl.fallback.focus == window->wl.fallback.bottom.surface) + { + if (xpos < GLFW_BORDER_SIZE) + cursorName = "sw-resize"; + else if (xpos > window->wl.width + GLFW_BORDER_SIZE) + cursorName = "se-resize"; + else + cursorName = "s-resize"; + } + } + + if (_glfw.wl.cursorPreviousName != cursorName) + { + struct wl_surface* surface = _glfw.wl.cursorSurface; + struct wl_cursor_theme* theme = _glfw.wl.cursorTheme; + int scale = 1; + + if (window->wl.bufferScale > 1 && _glfw.wl.cursorThemeHiDPI) + { + // We only support up to scale=2 for now, since libwayland-cursor + // requires us to load a different theme for each size. + scale = 2; + theme = _glfw.wl.cursorThemeHiDPI; + } + + struct wl_cursor* cursor = wl_cursor_theme_get_cursor(theme, cursorName); + if (!cursor) + return; + + // TODO: handle animated cursors too. + struct wl_cursor_image* image = cursor->images[0]; + if (!image) + return; + + struct wl_buffer* buffer = wl_cursor_image_get_buffer(image); + if (!buffer) + return; + + wl_pointer_set_cursor(_glfw.wl.pointer, _glfw.wl.pointerEnterSerial, + surface, + image->hotspot_x / scale, + image->hotspot_y / scale); + wl_surface_set_buffer_scale(surface, scale); + wl_surface_attach(surface, buffer, 0, 0); + wl_surface_damage(surface, 0, 0, image->width, image->height); + wl_surface_commit(surface); + + _glfw.wl.cursorPreviousName = cursorName; + } + } +} + +static void pointerHandleButton(void* userData, + struct wl_pointer* pointer, + uint32_t serial, + uint32_t time, + uint32_t button, + uint32_t state) +{ + _GLFWwindow* window = _glfw.wl.pointerFocus; + if (!window) + return; + + if (window->wl.hovered) + { + _glfw.wl.serial = serial; + + _glfwInputMouseClick(window, + button - BTN_LEFT, + state == WL_POINTER_BUTTON_STATE_PRESSED, + _glfw.wl.xkb.modifiers); + return; + } + + if (window->wl.fallback.decorations) + { + if (button == BTN_LEFT) + { + uint32_t edges = XDG_TOPLEVEL_RESIZE_EDGE_NONE; + + if (window->wl.fallback.focus == window->wl.fallback.top.surface) + { + if (window->wl.cursorPosY < GLFW_BORDER_SIZE) + edges = XDG_TOPLEVEL_RESIZE_EDGE_TOP; + else + xdg_toplevel_move(window->wl.xdg.toplevel, _glfw.wl.seat, serial); + } + else if (window->wl.fallback.focus == window->wl.fallback.left.surface) + { + if (window->wl.cursorPosY < GLFW_BORDER_SIZE) + edges = XDG_TOPLEVEL_RESIZE_EDGE_TOP_LEFT; + else + edges = XDG_TOPLEVEL_RESIZE_EDGE_LEFT; + } + else if (window->wl.fallback.focus == window->wl.fallback.right.surface) + { + if (window->wl.cursorPosY < GLFW_BORDER_SIZE) + edges = XDG_TOPLEVEL_RESIZE_EDGE_TOP_RIGHT; + else + edges = XDG_TOPLEVEL_RESIZE_EDGE_RIGHT; + } + else if (window->wl.fallback.focus == window->wl.fallback.bottom.surface) + { + if (window->wl.cursorPosX < GLFW_BORDER_SIZE) + edges = XDG_TOPLEVEL_RESIZE_EDGE_BOTTOM_LEFT; + else if (window->wl.cursorPosX > window->wl.width + GLFW_BORDER_SIZE) + edges = XDG_TOPLEVEL_RESIZE_EDGE_BOTTOM_RIGHT; + else + edges = XDG_TOPLEVEL_RESIZE_EDGE_BOTTOM; + } + + if (edges != XDG_TOPLEVEL_RESIZE_EDGE_NONE) + { + xdg_toplevel_resize(window->wl.xdg.toplevel, _glfw.wl.seat, + serial, edges); + } + } + else if (button == BTN_RIGHT) + { + if (window->wl.xdg.toplevel) + { + xdg_toplevel_show_window_menu(window->wl.xdg.toplevel, + _glfw.wl.seat, serial, + window->wl.cursorPosX, + window->wl.cursorPosY); + } + } + } +} + +static void pointerHandleAxis(void* userData, + struct wl_pointer* pointer, + uint32_t time, + uint32_t axis, + wl_fixed_t value) +{ + _GLFWwindow* window = _glfw.wl.pointerFocus; + if (!window) + return; + + // NOTE: 10 units of motion per mouse wheel step seems to be a common ratio + if (axis == WL_POINTER_AXIS_HORIZONTAL_SCROLL) + _glfwInputScroll(window, -wl_fixed_to_double(value) / 10.0, 0.0); + else if (axis == WL_POINTER_AXIS_VERTICAL_SCROLL) + _glfwInputScroll(window, 0.0, -wl_fixed_to_double(value) / 10.0); +} + +static const struct wl_pointer_listener pointerListener = +{ + pointerHandleEnter, + pointerHandleLeave, + pointerHandleMotion, + pointerHandleButton, + pointerHandleAxis, +}; + +static void keyboardHandleKeymap(void* userData, + struct wl_keyboard* keyboard, + uint32_t format, + int fd, + uint32_t size) +{ + struct xkb_keymap* keymap; + struct xkb_state* state; + struct xkb_compose_table* composeTable; + struct xkb_compose_state* composeState; + + char* mapStr; + const char* locale; + + if (format != WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1) + { + close(fd); + return; + } + + mapStr = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0); + if (mapStr == MAP_FAILED) { + close(fd); + return; + } + + keymap = xkb_keymap_new_from_string(_glfw.wl.xkb.context, + mapStr, + XKB_KEYMAP_FORMAT_TEXT_V1, + 0); + munmap(mapStr, size); + close(fd); + + if (!keymap) + { + _glfwInputError(GLFW_PLATFORM_ERROR, + "Wayland: Failed to compile keymap"); + return; + } + + state = xkb_state_new(keymap); + if (!state) + { + _glfwInputError(GLFW_PLATFORM_ERROR, + "Wayland: Failed to create XKB state"); + xkb_keymap_unref(keymap); + return; + } + + // Look up the preferred locale, falling back to "C" as default. + locale = getenv("LC_ALL"); + if (!locale) + locale = getenv("LC_CTYPE"); + if (!locale) + locale = getenv("LANG"); + if (!locale) + locale = "C"; + + composeTable = + xkb_compose_table_new_from_locale(_glfw.wl.xkb.context, locale, + XKB_COMPOSE_COMPILE_NO_FLAGS); + if (composeTable) + { + composeState = + xkb_compose_state_new(composeTable, XKB_COMPOSE_STATE_NO_FLAGS); + xkb_compose_table_unref(composeTable); + if (composeState) + _glfw.wl.xkb.composeState = composeState; + else + _glfwInputError(GLFW_PLATFORM_ERROR, + "Wayland: Failed to create XKB compose state"); + } + else + { + _glfwInputError(GLFW_PLATFORM_ERROR, + "Wayland: Failed to create XKB compose table"); + } + + xkb_keymap_unref(_glfw.wl.xkb.keymap); + xkb_state_unref(_glfw.wl.xkb.state); + _glfw.wl.xkb.keymap = keymap; + _glfw.wl.xkb.state = state; + + _glfw.wl.xkb.controlIndex = xkb_keymap_mod_get_index(_glfw.wl.xkb.keymap, "Control"); + _glfw.wl.xkb.altIndex = xkb_keymap_mod_get_index(_glfw.wl.xkb.keymap, "Mod1"); + _glfw.wl.xkb.shiftIndex = xkb_keymap_mod_get_index(_glfw.wl.xkb.keymap, "Shift"); + _glfw.wl.xkb.superIndex = xkb_keymap_mod_get_index(_glfw.wl.xkb.keymap, "Mod4"); + _glfw.wl.xkb.capsLockIndex = xkb_keymap_mod_get_index(_glfw.wl.xkb.keymap, "Lock"); + _glfw.wl.xkb.numLockIndex = xkb_keymap_mod_get_index(_glfw.wl.xkb.keymap, "Mod2"); +} + +static void keyboardHandleEnter(void* userData, + struct wl_keyboard* keyboard, + uint32_t serial, + struct wl_surface* surface, + struct wl_array* keys) +{ + // Happens in the case we just destroyed the surface. + if (!surface) + return; + + if (wl_proxy_get_tag((struct wl_proxy*) surface) != &_glfw.wl.tag) + return; + + _GLFWwindow* window = wl_surface_get_user_data(surface); + if (surface != window->wl.surface) + return; + + _glfw.wl.serial = serial; + _glfw.wl.keyboardFocus = window; + _glfwInputWindowFocus(window, GLFW_TRUE); +} + +static void keyboardHandleLeave(void* userData, + struct wl_keyboard* keyboard, + uint32_t serial, + struct wl_surface* surface) +{ + _GLFWwindow* window = _glfw.wl.keyboardFocus; + + if (!window) + return; + + struct itimerspec timer = {0}; + timerfd_settime(_glfw.wl.keyRepeatTimerfd, 0, &timer, NULL); + + _glfw.wl.serial = serial; + _glfw.wl.keyboardFocus = NULL; + _glfwInputWindowFocus(window, GLFW_FALSE); +} + +static void keyboardHandleKey(void* userData, + struct wl_keyboard* keyboard, + uint32_t serial, + uint32_t time, + uint32_t scancode, + uint32_t state) +{ + _GLFWwindow* window = _glfw.wl.keyboardFocus; + if (!window) + return; + + const int key = translateKey(scancode); + const int action = + state == WL_KEYBOARD_KEY_STATE_PRESSED ? GLFW_PRESS : GLFW_RELEASE; + + _glfw.wl.serial = serial; + + struct itimerspec timer = {0}; + + if (action == GLFW_PRESS) + { + const xkb_keycode_t keycode = scancode + 8; + + if (xkb_keymap_key_repeats(_glfw.wl.xkb.keymap, keycode) && + _glfw.wl.keyRepeatRate > 0) + { + _glfw.wl.keyRepeatScancode = scancode; + if (_glfw.wl.keyRepeatRate > 1) + timer.it_interval.tv_nsec = 1000000000 / _glfw.wl.keyRepeatRate; + else + timer.it_interval.tv_sec = 1; + + timer.it_value.tv_sec = _glfw.wl.keyRepeatDelay / 1000; + timer.it_value.tv_nsec = (_glfw.wl.keyRepeatDelay % 1000) * 1000000; + } + } + + timerfd_settime(_glfw.wl.keyRepeatTimerfd, 0, &timer, NULL); + + _glfwInputKey(window, key, scancode, action, _glfw.wl.xkb.modifiers); + + if (action == GLFW_PRESS) + inputText(window, scancode); +} + +static void keyboardHandleModifiers(void* userData, + struct wl_keyboard* keyboard, + uint32_t serial, + uint32_t modsDepressed, + uint32_t modsLatched, + uint32_t modsLocked, + uint32_t group) +{ + _glfw.wl.serial = serial; + + if (!_glfw.wl.xkb.keymap) + return; + + xkb_state_update_mask(_glfw.wl.xkb.state, + modsDepressed, + modsLatched, + modsLocked, + 0, + 0, + group); + + _glfw.wl.xkb.modifiers = 0; + + struct + { + xkb_mod_index_t index; + unsigned int bit; + } modifiers[] = + { + { _glfw.wl.xkb.controlIndex, GLFW_MOD_CONTROL }, + { _glfw.wl.xkb.altIndex, GLFW_MOD_ALT }, + { _glfw.wl.xkb.shiftIndex, GLFW_MOD_SHIFT }, + { _glfw.wl.xkb.superIndex, GLFW_MOD_SUPER }, + { _glfw.wl.xkb.capsLockIndex, GLFW_MOD_CAPS_LOCK }, + { _glfw.wl.xkb.numLockIndex, GLFW_MOD_NUM_LOCK } + }; + + for (size_t i = 0; i < sizeof(modifiers) / sizeof(modifiers[0]); i++) + { + if (xkb_state_mod_index_is_active(_glfw.wl.xkb.state, + modifiers[i].index, + XKB_STATE_MODS_EFFECTIVE) == 1) + { + _glfw.wl.xkb.modifiers |= modifiers[i].bit; + } + } +} + +static void keyboardHandleRepeatInfo(void* userData, + struct wl_keyboard* keyboard, + int32_t rate, + int32_t delay) +{ + if (keyboard != _glfw.wl.keyboard) + return; + + _glfw.wl.keyRepeatRate = rate; + _glfw.wl.keyRepeatDelay = delay; +} + +static const struct wl_keyboard_listener keyboardListener = +{ + keyboardHandleKeymap, + keyboardHandleEnter, + keyboardHandleLeave, + keyboardHandleKey, + keyboardHandleModifiers, + keyboardHandleRepeatInfo, +}; + +static void seatHandleCapabilities(void* userData, + struct wl_seat* seat, + enum wl_seat_capability caps) +{ + if ((caps & WL_SEAT_CAPABILITY_POINTER) && !_glfw.wl.pointer) + { + _glfw.wl.pointer = wl_seat_get_pointer(seat); + wl_pointer_add_listener(_glfw.wl.pointer, &pointerListener, NULL); + } + else if (!(caps & WL_SEAT_CAPABILITY_POINTER) && _glfw.wl.pointer) + { + wl_pointer_destroy(_glfw.wl.pointer); + _glfw.wl.pointer = NULL; + } + + if ((caps & WL_SEAT_CAPABILITY_KEYBOARD) && !_glfw.wl.keyboard) + { + _glfw.wl.keyboard = wl_seat_get_keyboard(seat); + wl_keyboard_add_listener(_glfw.wl.keyboard, &keyboardListener, NULL); + } + else if (!(caps & WL_SEAT_CAPABILITY_KEYBOARD) && _glfw.wl.keyboard) + { + wl_keyboard_destroy(_glfw.wl.keyboard); + _glfw.wl.keyboard = NULL; + } +} + +static void seatHandleName(void* userData, + struct wl_seat* seat, + const char* name) +{ +} + +static const struct wl_seat_listener seatListener = +{ + seatHandleCapabilities, + seatHandleName, +}; + +static void dataOfferHandleOffer(void* userData, + struct wl_data_offer* offer, + const char* mimeType) +{ + for (unsigned int i = 0; i < _glfw.wl.offerCount; i++) + { + if (_glfw.wl.offers[i].offer == offer) + { + if (strcmp(mimeType, "text/plain;charset=utf-8") == 0) + _glfw.wl.offers[i].text_plain_utf8 = GLFW_TRUE; + else if (strcmp(mimeType, "text/uri-list") == 0) + _glfw.wl.offers[i].text_uri_list = GLFW_TRUE; + + break; + } + } +} + +static const struct wl_data_offer_listener dataOfferListener = +{ + dataOfferHandleOffer +}; + +static void dataDeviceHandleDataOffer(void* userData, + struct wl_data_device* device, + struct wl_data_offer* offer) +{ + _GLFWofferWayland* offers = + _glfw_realloc(_glfw.wl.offers, + sizeof(_GLFWofferWayland) * (_glfw.wl.offerCount + 1)); + if (!offers) + { + _glfwInputError(GLFW_OUT_OF_MEMORY, NULL); + return; + } + + _glfw.wl.offers = offers; + _glfw.wl.offerCount++; + + _glfw.wl.offers[_glfw.wl.offerCount - 1] = (_GLFWofferWayland) { offer }; + wl_data_offer_add_listener(offer, &dataOfferListener, NULL); +} + +static void dataDeviceHandleEnter(void* userData, + struct wl_data_device* device, + uint32_t serial, + struct wl_surface* surface, + wl_fixed_t x, + wl_fixed_t y, + struct wl_data_offer* offer) +{ + if (_glfw.wl.dragOffer) + { + wl_data_offer_destroy(_glfw.wl.dragOffer); + _glfw.wl.dragOffer = NULL; + _glfw.wl.dragFocus = NULL; + } + + unsigned int i; + + for (i = 0; i < _glfw.wl.offerCount; i++) + { + if (_glfw.wl.offers[i].offer == offer) + break; + } + + if (i == _glfw.wl.offerCount) + return; + + if (surface && wl_proxy_get_tag((struct wl_proxy*) surface) == &_glfw.wl.tag) + { + _GLFWwindow* window = wl_surface_get_user_data(surface); + if (window->wl.surface == surface) + { + if (_glfw.wl.offers[i].text_uri_list) + { + _glfw.wl.dragOffer = offer; + _glfw.wl.dragFocus = window; + _glfw.wl.dragSerial = serial; + + wl_data_offer_accept(offer, serial, "text/uri-list"); + } + } + } + + if (!_glfw.wl.dragOffer) + { + wl_data_offer_accept(offer, serial, NULL); + wl_data_offer_destroy(offer); + } + + _glfw.wl.offers[i] = _glfw.wl.offers[_glfw.wl.offerCount - 1]; + _glfw.wl.offerCount--; +} + +static void dataDeviceHandleLeave(void* userData, + struct wl_data_device* device) +{ + if (_glfw.wl.dragOffer) + { + wl_data_offer_destroy(_glfw.wl.dragOffer); + _glfw.wl.dragOffer = NULL; + _glfw.wl.dragFocus = NULL; + } +} + +static void dataDeviceHandleMotion(void* userData, + struct wl_data_device* device, + uint32_t time, + wl_fixed_t x, + wl_fixed_t y) +{ +} + +static void dataDeviceHandleDrop(void* userData, + struct wl_data_device* device) +{ + if (!_glfw.wl.dragOffer) + return; + + char* string = readDataOfferAsString(_glfw.wl.dragOffer, "text/uri-list"); + if (string) + { + int count; + char** paths = _glfwParseUriList(string, &count); + if (paths) + { + _glfwInputDrop(_glfw.wl.dragFocus, count, (const char**) paths); + + for (int i = 0; i < count; i++) + _glfw_free(paths[i]); + + _glfw_free(paths); + } + + _glfw_free(string); + } +} + +static void dataDeviceHandleSelection(void* userData, + struct wl_data_device* device, + struct wl_data_offer* offer) +{ + if (_glfw.wl.selectionOffer) + { + wl_data_offer_destroy(_glfw.wl.selectionOffer); + _glfw.wl.selectionOffer = NULL; + } + + for (unsigned int i = 0; i < _glfw.wl.offerCount; i++) + { + if (_glfw.wl.offers[i].offer == offer) + { + if (_glfw.wl.offers[i].text_plain_utf8) + _glfw.wl.selectionOffer = offer; + else + wl_data_offer_destroy(offer); + + _glfw.wl.offers[i] = _glfw.wl.offers[_glfw.wl.offerCount - 1]; + _glfw.wl.offerCount--; + break; + } + } +} + +const struct wl_data_device_listener dataDeviceListener = +{ + dataDeviceHandleDataOffer, + dataDeviceHandleEnter, + dataDeviceHandleLeave, + dataDeviceHandleMotion, + dataDeviceHandleDrop, + dataDeviceHandleSelection, +}; + +static void xdgActivationHandleDone(void* userData, + struct xdg_activation_token_v1* activationToken, + const char* token) +{ + _GLFWwindow* window = userData; + + if (activationToken != window->wl.activationToken) + return; + + xdg_activation_v1_activate(_glfw.wl.activationManager, token, window->wl.surface); + xdg_activation_token_v1_destroy(window->wl.activationToken); + window->wl.activationToken = NULL; +} + +static const struct xdg_activation_token_v1_listener xdgActivationListener = +{ + xdgActivationHandleDone +}; + +void _glfwAddSeatListenerWayland(struct wl_seat* seat) +{ + wl_seat_add_listener(seat, &seatListener, NULL); +} + +void _glfwAddDataDeviceListenerWayland(struct wl_data_device* device) +{ + wl_data_device_add_listener(device, &dataDeviceListener, NULL); +} + + +////////////////////////////////////////////////////////////////////////// +////// GLFW platform API ////// +////////////////////////////////////////////////////////////////////////// + +GLFWbool _glfwCreateWindowWayland(_GLFWwindow* window, + const _GLFWwndconfig* wndconfig, + const _GLFWctxconfig* ctxconfig, + const _GLFWfbconfig* fbconfig) +{ + if (!createNativeSurface(window, wndconfig, fbconfig)) + return GLFW_FALSE; + + if (ctxconfig->client != GLFW_NO_API) + { + if (ctxconfig->source == GLFW_EGL_CONTEXT_API || + ctxconfig->source == GLFW_NATIVE_CONTEXT_API) + { + window->wl.egl.window = wl_egl_window_create(window->wl.surface, + window->wl.fbWidth, + window->wl.fbHeight); + if (!window->wl.egl.window) + { + _glfwInputError(GLFW_PLATFORM_ERROR, + "Wayland: Failed to create EGL window"); + return GLFW_FALSE; + } + + 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 (!_glfwRefreshContextAttribs(window, ctxconfig)) + return GLFW_FALSE; + } + + if (wndconfig->mousePassthrough) + _glfwSetWindowMousePassthroughWayland(window, GLFW_TRUE); + + if (window->monitor || wndconfig->visible) + { + if (!createShellObjects(window)) + return GLFW_FALSE; + } + + return GLFW_TRUE; +} + +void _glfwDestroyWindowWayland(_GLFWwindow* window) +{ + if (window == _glfw.wl.pointerFocus) + _glfw.wl.pointerFocus = NULL; + + if (window == _glfw.wl.keyboardFocus) + _glfw.wl.keyboardFocus = NULL; + + if (window->wl.fractionalScale) + wp_fractional_scale_v1_destroy(window->wl.fractionalScale); + + if (window->wl.scalingViewport) + wp_viewport_destroy(window->wl.scalingViewport); + + if (window->wl.activationToken) + xdg_activation_token_v1_destroy(window->wl.activationToken); + + if (window->wl.idleInhibitor) + zwp_idle_inhibitor_v1_destroy(window->wl.idleInhibitor); + + if (window->wl.relativePointer) + zwp_relative_pointer_v1_destroy(window->wl.relativePointer); + + if (window->wl.lockedPointer) + zwp_locked_pointer_v1_destroy(window->wl.lockedPointer); + + if (window->wl.confinedPointer) + zwp_confined_pointer_v1_destroy(window->wl.confinedPointer); + + if (window->context.destroy) + window->context.destroy(window); + + destroyShellObjects(window); + + if (window->wl.fallback.buffer) + wl_buffer_destroy(window->wl.fallback.buffer); + + if (window->wl.egl.window) + wl_egl_window_destroy(window->wl.egl.window); + + if (window->wl.surface) + wl_surface_destroy(window->wl.surface); + + _glfw_free(window->wl.appId); + _glfw_free(window->wl.outputScales); +} + +void _glfwSetWindowTitleWayland(_GLFWwindow* window, const char* title) +{ + if (window->wl.libdecor.frame) + libdecor_frame_set_title(window->wl.libdecor.frame, title); + else if (window->wl.xdg.toplevel) + xdg_toplevel_set_title(window->wl.xdg.toplevel, title); +} + +void _glfwSetWindowIconWayland(_GLFWwindow* window, + int count, const GLFWimage* images) +{ + _glfwInputError(GLFW_FEATURE_UNAVAILABLE, + "Wayland: The platform does not support setting the window icon"); +} + +void _glfwGetWindowPosWayland(_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 _glfwSetWindowPosWayland(_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 _glfwGetWindowSizeWayland(_GLFWwindow* window, int* width, int* height) +{ + if (width) + *width = window->wl.width; + if (height) + *height = window->wl.height; +} + +void _glfwSetWindowSizeWayland(_GLFWwindow* window, int width, int height) +{ + if (window->monitor) + { + // Video mode setting is not available on Wayland + } + else + { + if (!resizeWindow(window, width, height)) + return; + + if (window->wl.libdecor.frame) + { + struct libdecor_state* frameState = + libdecor_state_new(window->wl.width, window->wl.height); + libdecor_frame_commit(window->wl.libdecor.frame, frameState, NULL); + libdecor_state_free(frameState); + } + + if (window->wl.visible) + _glfwInputWindowDamage(window); + } +} + +void _glfwSetWindowSizeLimitsWayland(_GLFWwindow* window, + int minwidth, int minheight, + int maxwidth, int maxheight) +{ + if (window->wl.libdecor.frame) + { + if (minwidth == GLFW_DONT_CARE || minheight == GLFW_DONT_CARE) + minwidth = minheight = 0; + + if (maxwidth == GLFW_DONT_CARE || maxheight == GLFW_DONT_CARE) + maxwidth = maxheight = 0; + + libdecor_frame_set_min_content_size(window->wl.libdecor.frame, + minwidth, minheight); + libdecor_frame_set_max_content_size(window->wl.libdecor.frame, + maxwidth, maxheight); + } + else if (window->wl.xdg.toplevel) + updateXdgSizeLimits(window); +} + +void _glfwSetWindowAspectRatioWayland(_GLFWwindow* window, int numer, int denom) +{ + if (window->wl.maximized || window->wl.fullscreen) + return; + + int width = window->wl.width, height = window->wl.height; + + if (numer != GLFW_DONT_CARE && denom != GLFW_DONT_CARE) + { + const float aspectRatio = (float) width / (float) height; + const float targetRatio = (float) numer / (float) denom; + if (aspectRatio < targetRatio) + height /= targetRatio; + else if (aspectRatio > targetRatio) + width *= targetRatio; + } + + if (resizeWindow(window, width, height)) + { + if (window->wl.libdecor.frame) + { + struct libdecor_state* frameState = + libdecor_state_new(window->wl.width, window->wl.height); + libdecor_frame_commit(window->wl.libdecor.frame, frameState, NULL); + libdecor_state_free(frameState); + } + + _glfwInputWindowSize(window, window->wl.width, window->wl.height); + + if (window->wl.visible) + _glfwInputWindowDamage(window); + } +} + +void _glfwGetFramebufferSizeWayland(_GLFWwindow* window, int* width, int* height) +{ + if (width) + *width = window->wl.fbWidth; + if (height) + *height = window->wl.fbHeight; +} + +void _glfwGetWindowFrameSizeWayland(_GLFWwindow* window, + int* left, int* top, + int* right, int* bottom) +{ + if (window->wl.fallback.decorations) + { + if (top) + *top = GLFW_CAPTION_HEIGHT; + if (left) + *left = GLFW_BORDER_SIZE; + if (right) + *right = GLFW_BORDER_SIZE; + if (bottom) + *bottom = GLFW_BORDER_SIZE; + } +} + +void _glfwGetWindowContentScaleWayland(_GLFWwindow* window, + float* xscale, float* yscale) +{ + if (window->wl.fractionalScale) + { + if (xscale) + *xscale = (float) window->wl.scalingNumerator / 120.f; + if (yscale) + *yscale = (float) window->wl.scalingNumerator / 120.f; + } + else + { + if (xscale) + *xscale = (float) window->wl.bufferScale; + if (yscale) + *yscale = (float) window->wl.bufferScale; + } +} + +void _glfwIconifyWindowWayland(_GLFWwindow* window) +{ + if (window->wl.libdecor.frame) + libdecor_frame_set_minimized(window->wl.libdecor.frame); + else if (window->wl.xdg.toplevel) + xdg_toplevel_set_minimized(window->wl.xdg.toplevel); +} + +void _glfwRestoreWindowWayland(_GLFWwindow* window) +{ + if (window->monitor) + { + // There is no way to unset minimized, or even to know if we are + // minimized, so there is nothing to do in this case. + } + else + { + // We assume we are not minimized and act only on maximization + + if (window->wl.maximized) + { + if (window->wl.libdecor.frame) + libdecor_frame_unset_maximized(window->wl.libdecor.frame); + else if (window->wl.xdg.toplevel) + xdg_toplevel_unset_maximized(window->wl.xdg.toplevel); + else + window->wl.maximized = GLFW_FALSE; + } + } +} + +void _glfwMaximizeWindowWayland(_GLFWwindow* window) +{ + if (window->wl.libdecor.frame) + libdecor_frame_set_maximized(window->wl.libdecor.frame); + else if (window->wl.xdg.toplevel) + xdg_toplevel_set_maximized(window->wl.xdg.toplevel); + else + window->wl.maximized = GLFW_TRUE; +} + +void _glfwShowWindowWayland(_GLFWwindow* window) +{ + if (!window->wl.libdecor.frame && !window->wl.xdg.toplevel) + { + // NOTE: The XDG surface and role are created here so command-line applications + // with off-screen windows do not appear in for example the Unity dock + createShellObjects(window); + } +} + +void _glfwHideWindowWayland(_GLFWwindow* window) +{ + if (window->wl.visible) + { + window->wl.visible = GLFW_FALSE; + destroyShellObjects(window); + + wl_surface_attach(window->wl.surface, NULL, 0, 0); + wl_surface_commit(window->wl.surface); + } +} + +void _glfwRequestWindowAttentionWayland(_GLFWwindow* window) +{ + if (!_glfw.wl.activationManager) + return; + + // We're about to overwrite this with a new request + if (window->wl.activationToken) + xdg_activation_token_v1_destroy(window->wl.activationToken); + + window->wl.activationToken = + xdg_activation_v1_get_activation_token(_glfw.wl.activationManager); + xdg_activation_token_v1_add_listener(window->wl.activationToken, + &xdgActivationListener, + window); + + xdg_activation_token_v1_commit(window->wl.activationToken); +} + +void _glfwFocusWindowWayland(_GLFWwindow* window) +{ + if (!_glfw.wl.activationManager) + return; + + if (window->wl.activationToken) + xdg_activation_token_v1_destroy(window->wl.activationToken); + + window->wl.activationToken = + xdg_activation_v1_get_activation_token(_glfw.wl.activationManager); + xdg_activation_token_v1_add_listener(window->wl.activationToken, + &xdgActivationListener, + window); + + xdg_activation_token_v1_set_serial(window->wl.activationToken, + _glfw.wl.serial, + _glfw.wl.seat); + + _GLFWwindow* requester = _glfw.wl.keyboardFocus; + if (requester) + { + xdg_activation_token_v1_set_surface(window->wl.activationToken, + requester->wl.surface); + + if (requester->wl.appId) + { + xdg_activation_token_v1_set_app_id(window->wl.activationToken, + requester->wl.appId); + } + } + + xdg_activation_token_v1_commit(window->wl.activationToken); +} + +void _glfwSetWindowMonitorWayland(_GLFWwindow* window, + _GLFWmonitor* monitor, + int xpos, int ypos, + int width, int height, + int refreshRate) +{ + if (window->monitor == monitor) + { + if (!monitor) + _glfwSetWindowSizeWayland(window, width, height); + + return; + } + + if (window->monitor) + releaseMonitor(window); + + _glfwInputWindowMonitor(window, monitor); + + if (window->monitor) + acquireMonitor(window); + else + _glfwSetWindowSizeWayland(window, width, height); +} + +GLFWbool _glfwWindowFocusedWayland(_GLFWwindow* window) +{ + return _glfw.wl.keyboardFocus == window; +} + +GLFWbool _glfwWindowIconifiedWayland(_GLFWwindow* window) +{ + // xdg-shell doesn’t give any way to request whether a surface is + // iconified. + return GLFW_FALSE; +} + +GLFWbool _glfwWindowVisibleWayland(_GLFWwindow* window) +{ + return window->wl.visible; +} + +GLFWbool _glfwWindowMaximizedWayland(_GLFWwindow* window) +{ + return window->wl.maximized; +} + +GLFWbool _glfwWindowHoveredWayland(_GLFWwindow* window) +{ + return window->wl.hovered; +} + +GLFWbool _glfwFramebufferTransparentWayland(_GLFWwindow* window) +{ + return window->wl.transparent; +} + +void _glfwSetWindowResizableWayland(_GLFWwindow* window, GLFWbool enabled) +{ + if (window->wl.libdecor.frame) + { + if (enabled) + { + libdecor_frame_set_capabilities(window->wl.libdecor.frame, + LIBDECOR_ACTION_RESIZE); + } + else + { + libdecor_frame_unset_capabilities(window->wl.libdecor.frame, + LIBDECOR_ACTION_RESIZE); + } + } + else if (window->wl.xdg.toplevel) + updateXdgSizeLimits(window); +} + +void _glfwSetWindowDecoratedWayland(_GLFWwindow* window, GLFWbool enabled) +{ + if (window->wl.libdecor.frame) + { + libdecor_frame_set_visibility(window->wl.libdecor.frame, enabled); + } + else if (window->wl.xdg.decoration) + { + uint32_t mode; + + if (enabled) + mode = ZXDG_TOPLEVEL_DECORATION_V1_MODE_SERVER_SIDE; + else + mode = ZXDG_TOPLEVEL_DECORATION_V1_MODE_CLIENT_SIDE; + + zxdg_toplevel_decoration_v1_set_mode(window->wl.xdg.decoration, mode); + } + else if (window->wl.xdg.toplevel) + { + if (enabled) + createFallbackDecorations(window); + else + destroyFallbackDecorations(window); + } +} + +void _glfwSetWindowFloatingWayland(_GLFWwindow* window, GLFWbool enabled) +{ + _glfwInputError(GLFW_FEATURE_UNAVAILABLE, + "Wayland: Platform does not support making a window floating"); +} + +void _glfwSetWindowMousePassthroughWayland(_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, NULL); +} + +float _glfwGetWindowOpacityWayland(_GLFWwindow* window) +{ + return 1.f; +} + +void _glfwSetWindowOpacityWayland(_GLFWwindow* window, float opacity) +{ + _glfwInputError(GLFW_FEATURE_UNAVAILABLE, + "Wayland: The platform does not support setting the window opacity"); +} + +void _glfwSetRawMouseMotionWayland(_GLFWwindow* window, GLFWbool enabled) +{ + // This is handled in relativePointerHandleRelativeMotion +} + +GLFWbool _glfwRawMouseMotionSupportedWayland(void) +{ + return GLFW_TRUE; +} + +void _glfwPollEventsWayland(void) +{ + double timeout = 0.0; + handleEvents(&timeout); +} + +void _glfwWaitEventsWayland(void) +{ + handleEvents(NULL); +} + +void _glfwWaitEventsTimeoutWayland(double timeout) +{ + handleEvents(&timeout); +} + +void _glfwPostEmptyEventWayland(void) +{ + wl_display_sync(_glfw.wl.display); + flushDisplay(); +} + +void _glfwGetCursorPosWayland(_GLFWwindow* window, double* xpos, double* ypos) +{ + if (xpos) + *xpos = window->wl.cursorPosX; + if (ypos) + *ypos = window->wl.cursorPosY; +} + +void _glfwSetCursorPosWayland(_GLFWwindow* window, double x, double y) +{ + _glfwInputError(GLFW_FEATURE_UNAVAILABLE, + "Wayland: The platform does not support setting the cursor position"); +} + +void _glfwSetCursorModeWayland(_GLFWwindow* window, int mode) +{ + _glfwSetCursorWayland(window, window->wl.currentCursor); +} + +const char* _glfwGetScancodeNameWayland(int scancode) +{ + if (scancode < 0 || scancode > 255) + { + _glfwInputError(GLFW_INVALID_VALUE, + "Wayland: Invalid scancode %i", + scancode); + return NULL; + } + + const int key = _glfw.wl.keycodes[scancode]; + if (key == GLFW_KEY_UNKNOWN) + return NULL; + + const xkb_keycode_t keycode = scancode + 8; + const xkb_layout_index_t layout = + xkb_state_key_get_layout(_glfw.wl.xkb.state, keycode); + if (layout == XKB_LAYOUT_INVALID) + { + _glfwInputError(GLFW_PLATFORM_ERROR, + "Wayland: Failed to retrieve layout for key name"); + return NULL; + } + + const xkb_keysym_t* keysyms = NULL; + xkb_keymap_key_get_syms_by_level(_glfw.wl.xkb.keymap, + keycode, + layout, + 0, + &keysyms); + if (keysyms == NULL) + { + _glfwInputError(GLFW_PLATFORM_ERROR, + "Wayland: Failed to retrieve keysym for key name"); + return NULL; + } + + // WORKAROUND: xkb_keysym_to_utf8() requires the third parameter (size of the output buffer) + // to be at least 7 (6 bytes + a null terminator), because it was written when UTF-8 + // sequences could be up to 6 bytes long. The _glfw.wl.keynames buffers are only 5 bytes + // long, because UTF-8 sequences are now limited to 4 bytes and no codepoints were ever assigned + // that needed more than that. To work around this, we first copy to a temporary buffer. + // + // See: https://github.com/xkbcommon/libxkbcommon/issues/418 + char temp_buffer[7]; + const int bytes_written = xkb_keysym_to_utf8(keysyms[0], temp_buffer, sizeof(temp_buffer)); + if (bytes_written <= 0 || bytes_written > 5) + { + _glfwInputError(GLFW_PLATFORM_ERROR, + "Wayland: Failed to encode keysym as UTF-8"); + return NULL; + } + memcpy(_glfw.wl.keynames[key], temp_buffer, bytes_written); + + return _glfw.wl.keynames[key]; +} + +int _glfwGetKeyScancodeWayland(int key) +{ + return _glfw.wl.scancodes[key]; +} + +GLFWbool _glfwCreateCursorWayland(_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; +} + +GLFWbool _glfwCreateStandardCursorWayland(_GLFWcursor* cursor, int shape) +{ + const char* name = NULL; + + // Try the XDG names first + switch (shape) + { + case GLFW_ARROW_CURSOR: + name = "default"; + break; + case GLFW_IBEAM_CURSOR: + name = "text"; + break; + case GLFW_CROSSHAIR_CURSOR: + name = "crosshair"; + break; + case GLFW_POINTING_HAND_CURSOR: + name = "pointer"; + break; + case GLFW_RESIZE_EW_CURSOR: + name = "ew-resize"; + break; + case GLFW_RESIZE_NS_CURSOR: + name = "ns-resize"; + break; + case GLFW_RESIZE_NWSE_CURSOR: + name = "nwse-resize"; + break; + case GLFW_RESIZE_NESW_CURSOR: + name = "nesw-resize"; + break; + case GLFW_RESIZE_ALL_CURSOR: + name = "all-scroll"; + break; + case GLFW_NOT_ALLOWED_CURSOR: + name = "not-allowed"; + break; + } + + 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 + switch (shape) + { + case GLFW_ARROW_CURSOR: + name = "left_ptr"; + break; + case GLFW_IBEAM_CURSOR: + name = "xterm"; + break; + case GLFW_CROSSHAIR_CURSOR: + name = "crosshair"; + break; + case GLFW_POINTING_HAND_CURSOR: + name = "hand2"; + break; + case GLFW_RESIZE_EW_CURSOR: + name = "sb_h_double_arrow"; + break; + case GLFW_RESIZE_NS_CURSOR: + name = "sb_v_double_arrow"; + break; + case GLFW_RESIZE_ALL_CURSOR: + name = "fleur"; + break; + default: + _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_CURSOR_UNAVAILABLE, + "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 _glfwDestroyCursorWayland(_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* userData, + 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 = userData; + 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* userData, + struct zwp_locked_pointer_v1* lockedPointer) +{ +} + +static void lockedPointerHandleUnlocked(void* userData, + struct zwp_locked_pointer_v1* lockedPointer) +{ +} + +static const struct zwp_locked_pointer_v1_listener lockedPointerListener = +{ + lockedPointerHandleLocked, + lockedPointerHandleUnlocked +}; + +static void lockPointer(_GLFWwindow* window) +{ + if (!_glfw.wl.relativePointerManager) + { + _glfwInputError(GLFW_FEATURE_UNAVAILABLE, + "Wayland: The compositor does not support pointer locking"); + return; + } + + window->wl.relativePointer = + zwp_relative_pointer_manager_v1_get_relative_pointer( + _glfw.wl.relativePointerManager, + _glfw.wl.pointer); + zwp_relative_pointer_v1_add_listener(window->wl.relativePointer, + &relativePointerListener, + window); + + window->wl.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(window->wl.lockedPointer, + &lockedPointerListener, + window); +} + +static void unlockPointer(_GLFWwindow* window) +{ + zwp_relative_pointer_v1_destroy(window->wl.relativePointer); + window->wl.relativePointer = NULL; + + zwp_locked_pointer_v1_destroy(window->wl.lockedPointer); + window->wl.lockedPointer = NULL; +} + +static void confinedPointerHandleConfined(void* userData, + struct zwp_confined_pointer_v1* confinedPointer) +{ +} + +static void confinedPointerHandleUnconfined(void* userData, + struct zwp_confined_pointer_v1* confinedPointer) +{ +} + +static const struct zwp_confined_pointer_v1_listener confinedPointerListener = +{ + confinedPointerHandleConfined, + confinedPointerHandleUnconfined +}; + +static void confinePointer(_GLFWwindow* window) +{ + window->wl.confinedPointer = + zwp_pointer_constraints_v1_confine_pointer( + _glfw.wl.pointerConstraints, + window->wl.surface, + _glfw.wl.pointer, + NULL, + ZWP_POINTER_CONSTRAINTS_V1_LIFETIME_PERSISTENT); + + zwp_confined_pointer_v1_add_listener(window->wl.confinedPointer, + &confinedPointerListener, + window); +} + +static void unconfinePointer(_GLFWwindow* window) +{ + zwp_confined_pointer_v1_destroy(window->wl.confinedPointer); + window->wl.confinedPointer = NULL; +} + +void _glfwSetCursorWayland(_GLFWwindow* window, _GLFWcursor* cursor) +{ + 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->wl.hovered) + return; + + // Update pointer lock to match cursor mode + if (window->cursorMode == GLFW_CURSOR_DISABLED) + { + if (window->wl.confinedPointer) + unconfinePointer(window); + if (!window->wl.lockedPointer) + lockPointer(window); + } + else if (window->cursorMode == GLFW_CURSOR_CAPTURED) + { + if (window->wl.lockedPointer) + unlockPointer(window); + if (!window->wl.confinedPointer) + confinePointer(window); + } + else if (window->cursorMode == GLFW_CURSOR_NORMAL || + window->cursorMode == GLFW_CURSOR_HIDDEN) + { + if (window->wl.lockedPointer) + unlockPointer(window); + else if (window->wl.confinedPointer) + unconfinePointer(window); + } + + if (window->cursorMode == GLFW_CURSOR_NORMAL || + window->cursorMode == GLFW_CURSOR_CAPTURED) + { + if (cursor) + setCursorImage(window, &cursor->wl); + else + { + struct wl_cursor* defaultCursor = + wl_cursor_theme_get_cursor(_glfw.wl.cursorTheme, "left_ptr"); + if (!defaultCursor) + { + _glfwInputError(GLFW_PLATFORM_ERROR, + "Wayland: Standard cursor not found"); + return; + } + + struct wl_cursor* defaultCursorHiDPI = NULL; + 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_HIDDEN || + window->cursorMode == GLFW_CURSOR_DISABLED) + { + wl_pointer_set_cursor(_glfw.wl.pointer, _glfw.wl.pointerEnterSerial, NULL, 0, 0); + } +} + +static void dataSourceHandleTarget(void* userData, + struct wl_data_source* source, + const char* mimeType) +{ + if (_glfw.wl.selectionSource != source) + { + _glfwInputError(GLFW_PLATFORM_ERROR, + "Wayland: Unknown clipboard data source"); + return; + } +} + +static void dataSourceHandleSend(void* userData, + struct wl_data_source* source, + const char* mimeType, + int fd) +{ + // Ignore it if this is an outdated or invalid request + if (_glfw.wl.selectionSource != source || + strcmp(mimeType, "text/plain;charset=utf-8") != 0) + { + close(fd); + return; + } + + char* string = _glfw.wl.clipboardString; + size_t length = strlen(string); + + while (length > 0) + { + const ssize_t result = write(fd, string, length); + if (result == -1) + { + if (errno == EINTR) + continue; + + _glfwInputError(GLFW_PLATFORM_ERROR, + "Wayland: Error while writing the clipboard: %s", + strerror(errno)); + break; + } + + length -= result; + string += result; + } + + close(fd); +} + +static void dataSourceHandleCancelled(void* userData, + struct wl_data_source* source) +{ + wl_data_source_destroy(source); + + if (_glfw.wl.selectionSource != source) + return; + + _glfw.wl.selectionSource = NULL; +} + +static const struct wl_data_source_listener dataSourceListener = +{ + dataSourceHandleTarget, + dataSourceHandleSend, + dataSourceHandleCancelled, +}; + +void _glfwSetClipboardStringWayland(const char* string) +{ + if (_glfw.wl.selectionSource) + { + wl_data_source_destroy(_glfw.wl.selectionSource); + _glfw.wl.selectionSource = NULL; + } + + char* copy = _glfw_strdup(string); + if (!copy) + { + _glfwInputError(GLFW_OUT_OF_MEMORY, NULL); + return; + } + + _glfw_free(_glfw.wl.clipboardString); + _glfw.wl.clipboardString = copy; + + _glfw.wl.selectionSource = + wl_data_device_manager_create_data_source(_glfw.wl.dataDeviceManager); + if (!_glfw.wl.selectionSource) + { + _glfwInputError(GLFW_PLATFORM_ERROR, + "Wayland: Failed to create clipboard data source"); + return; + } + wl_data_source_add_listener(_glfw.wl.selectionSource, + &dataSourceListener, + NULL); + wl_data_source_offer(_glfw.wl.selectionSource, "text/plain;charset=utf-8"); + wl_data_device_set_selection(_glfw.wl.dataDevice, + _glfw.wl.selectionSource, + _glfw.wl.serial); +} + +const char* _glfwGetClipboardStringWayland(void) +{ + if (!_glfw.wl.selectionOffer) + { + _glfwInputError(GLFW_FORMAT_UNAVAILABLE, + "Wayland: No clipboard data available"); + return NULL; + } + + if (_glfw.wl.selectionSource) + return _glfw.wl.clipboardString; + + _glfw_free(_glfw.wl.clipboardString); + _glfw.wl.clipboardString = + readDataOfferAsString(_glfw.wl.selectionOffer, "text/plain;charset=utf-8"); + return _glfw.wl.clipboardString; +} + +EGLenum _glfwGetEGLPlatformWayland(EGLint** attribs) +{ + if (_glfw.egl.EXT_platform_base && _glfw.egl.EXT_platform_wayland) + return EGL_PLATFORM_WAYLAND_EXT; + else + return 0; +} + +EGLNativeDisplayType _glfwGetEGLNativeDisplayWayland(void) +{ + return _glfw.wl.display; +} + +EGLNativeWindowType _glfwGetEGLNativeWindowWayland(_GLFWwindow* window) +{ + return window->wl.egl.window; +} + +void _glfwGetRequiredInstanceExtensionsWayland(char** extensions) +{ + if (!_glfw.vk.KHR_surface || !_glfw.vk.KHR_wayland_surface) + return; + + extensions[0] = "VK_KHR_surface"; + extensions[1] = "VK_KHR_wayland_surface"; +} + +GLFWbool _glfwGetPhysicalDevicePresentationSupportWayland(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 _glfwCreateWindowSurfaceWayland(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); + + if (_glfw.platform.platformID != GLFW_PLATFORM_WAYLAND) + { + _glfwInputError(GLFW_PLATFORM_UNAVAILABLE, + "Wayland: Platform not initialized"); + return NULL; + } + + return _glfw.wl.display; +} + +GLFWAPI struct wl_surface* glfwGetWaylandWindow(GLFWwindow* handle) +{ + _GLFW_REQUIRE_INIT_OR_RETURN(NULL); + + if (_glfw.platform.platformID != GLFW_PLATFORM_WAYLAND) + { + _glfwInputError(GLFW_PLATFORM_UNAVAILABLE, + "Wayland: Platform not initialized"); + return NULL; + } + + _GLFWwindow* window = (_GLFWwindow*) handle; + assert(window != NULL); + + return window->wl.surface; +} + +#endif // _GLFW_WAYLAND + |