//======================================================================== // GLFW 3.3 Wayland - www.glfw.org //------------------------------------------------------------------------ // Copyright (c) 2014 Jonas Ådahl // // 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" #include "backend_utils.h" #include "memfd.h" #include "linux_notify.h" #include #include #include #include #include #include #define URI_LIST_MIME "text/uri-list" static GLFWbool 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 GLFW_FALSE; // 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); return GLFW_TRUE; } return GLFW_FALSE; } // 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 resizeFramebuffer(_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); 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 const char* clipboard_mime() { static char buf[128] = {0}; if (buf[0] == 0) { snprintf(buf, sizeof(buf), "application/glfw+clipboard-%d", getpid()); } return buf; } static void handlePing(void* data, struct wl_shell_surface* shellSurface, uint32_t serial) { wl_shell_surface_pong(shellSurface, serial); } static void dispatchChangesAfterConfigure(_GLFWwindow *window, int32_t width, int32_t height) { if (width <= 0) width = window->wl.width; if (height <= 0) height = window->wl.height; GLFWbool size_changed = width != window->wl.width || height != window->wl.height; GLFWbool scale_changed = checkScaleChange(window); if (size_changed) { _glfwInputWindowSize(window, width, height); _glfwPlatformSetWindowSize(window, width, height); } if (scale_changed) { if (!size_changed) resizeFramebuffer(window); _glfwInputWindowContentScale(window, window->wl.scale, window->wl.scale); } _glfwInputWindowDamage(window); } static void handleConfigure(void* data, struct wl_shell_surface* shellSurface, uint32_t edges, int32_t width, int32_t height) { _GLFWwindow* window = data; float aspectRatio; float targetRatio; if (!window->monitor) { if (_glfw.wl.viewporter && window->decorated) { width -= _GLFW_DECORATION_HORIZONTAL; height -= _GLFW_DECORATION_VERTICAL; } if (width < 1) width = 1; if (height < 1) height = 1; 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; } if (window->minwidth != GLFW_DONT_CARE && width < window->minwidth) width = window->minwidth; else if (window->maxwidth != GLFW_DONT_CARE && width > window->maxwidth) width = window->maxwidth; if (window->minheight != GLFW_DONT_CARE && height < window->minheight) height = window->minheight; else if (window->maxheight != GLFW_DONT_CARE && height > window->maxheight) height = window->maxheight; } dispatchChangesAfterConfigure(window, width, height); } static void handlePopupDone(void* data, struct wl_shell_surface* shellSurface) { } static const struct wl_shell_surface_listener shellSurfaceListener = { handlePing, handleConfigure, handlePopupDone }; /* * 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 insufficent, 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) { int ret, fd = -1, shm_anon = 0; #ifdef HAS_MEMFD_CREATE fd = memfd_create("glfw-shared", MFD_CLOEXEC | MFD_ALLOW_SEALING); if (fd < 0) return -1; // 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); #elif defined(SHM_ANON) fd = shm_open(SHM_ANON, O_RDWR | O_CLOEXEC, 0600); if (fd < 0) return -1; shm_anon = 1; #else static const char template[] = "/glfw-shared-XXXXXX"; const char* path; char* name; 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; #endif // posix_fallocate does not work on SHM descriptors ret = shm_anon ? ftruncate(fd, size) : posix_fallocate(fd, 0, size); 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: %m", length); 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: %m"); 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, }; static void handleEnter(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; if (checkScaleChange(window)) { resizeFramebuffer(window); _glfwInputWindowContentScale(window, window->wl.scale, window->wl.scale); } } static void handleLeave(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; if (checkScaleChange(window)) { resizeFramebuffer(window); _glfwInputWindowContentScale(window, window->wl.scale, window->wl.scale); } } static const struct wl_surface_listener surfaceListener = { handleEnter, handleLeave }; 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); } else if (window->wl.shellSurface) { wl_shell_surface_set_fullscreen( window->wl.shellSurface, WL_SHELL_SURFACE_FULLSCREEN_METHOD_DEFAULT, refreshRate * 1000, // Convert Hz to mHz. monitor->wl.output); } setIdleInhibitor(window, GLFW_TRUE); if (!window->wl.decorations.serverSide) destroyDecorations(window); } static GLFWbool createShellSurface(_GLFWwindow* window) { if (!_glfw.wl.shell) { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: wl_shell protocol not available"); return GLFW_FALSE; } window->wl.shellSurface = wl_shell_get_shell_surface(_glfw.wl.shell, window->wl.surface); if (!window->wl.shellSurface) { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Shell surface creation failed"); return GLFW_FALSE; } wl_shell_surface_add_listener(window->wl.shellSurface, &shellSurfaceListener, window); if (window->wl.title) wl_shell_surface_set_title(window->wl.shellSurface, window->wl.title); if (window->monitor) { setFullscreen(window, window->monitor, 0); } else if (window->wl.maximized) { wl_shell_surface_set_maximized(window->wl.shellSurface, NULL); setIdleInhibitor(window, GLFW_FALSE); createDecorations(window); } else { wl_shell_surface_set_toplevel(window->wl.shellSurface); setIdleInhibitor(window, GLFW_FALSE); createDecorations(window); } wl_surface_commit(window->wl.surface); return GLFW_TRUE; } 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; } } } dispatchChangesAfterConfigure(window, width, height); 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); } if (strlen(window->wl.appId)) xdg_toplevel_set_app_id(window->wl.xdg.toplevel, window->wl.appId); wl_surface_commit(window->wl.surface); wl_display_roundtrip(_glfw.wl.display); return GLFW_TRUE; } static void setCursorImage(_GLFWcursorWayland* cursorWayland) { struct wl_cursor_image* image; struct wl_buffer* buffer; struct wl_surface* surface = _glfw.wl.cursorSurface; if (!cursorWayland->cursor) { buffer = cursorWayland->buffer; toggleTimer(&_glfw.wl.eventLoopData, _glfw.wl.cursorAnimationTimer, 0); } else { image = cursorWayland->cursor->images[cursorWayland->currentImage]; buffer = wl_cursor_image_get_buffer(image); if (image->delay) { changeTimerInterval(&_glfw.wl.eventLoopData, _glfw.wl.cursorAnimationTimer, ((double)image->delay) / 1000.0); toggleTimer(&_glfw.wl.eventLoopData, _glfw.wl.cursorAnimationTimer, 1); } else { toggleTimer(&_glfw.wl.eventLoopData, _glfw.wl.cursorAnimationTimer, 0); } if (!buffer) return; 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.pointerSerial, surface, cursorWayland->xhot, cursorWayland->yhot); 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) { if (window && window->wl.decorations.focus == mainWindow) { _GLFWcursor* cursor = window->wl.currentCursor; if (cursor && cursor->wl.cursor) { cursor->wl.currentImage += 1; cursor->wl.currentImage %= cursor->wl.cursor->image_count; setCursorImage(&cursor->wl); toggleTimer(&_glfw.wl.eventLoopData, _glfw.wl.cursorAnimationTimer, cursor->wl.cursor->image_count > 1); return; } } toggleTimer(&_glfw.wl.eventLoopData, _glfw.wl.cursorAnimationTimer, 1); } void animateCursorImage(id_type timer_id, void *data) { incrementCursorImage(_glfw.wl.pointerFocus); } static void handleEvents(double timeout) { struct wl_display* display = _glfw.wl.display; 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; } GLFWbool display_read_ok = pollForEvents(&_glfw.wl.eventLoopData, timeout); if (display_read_ok) { wl_display_read_events(display); wl_display_dispatch_pending(display); } else { wl_display_cancel_read(display); } glfw_ibus_dispatch(&_glfw.wl.xkb.ibus); glfw_dbus_session_bus_dispatch(); } static struct wl_cursor* try_cursor_names(int arg_count, ...) { struct wl_cursor* ans = NULL; va_list ap; va_start(ap, arg_count); for (int i = 0; i < arg_count && !ans; i++) { const char *name = va_arg(ap, const char *); ans = wl_cursor_theme_get_cursor(_glfw.wl.cursorTheme, name); } va_end(ap); return ans; } struct wl_cursor* _glfwLoadCursor(GLFWCursorShape shape) { static GLFWbool warnings[GLFW_INVALID_CURSOR] = {0}; #define NUMARGS(...) (sizeof((const char*[]){__VA_ARGS__})/sizeof(const char*)) #define C(name, ...) case name: { \ ans = try_cursor_names(NUMARGS(__VA_ARGS__), __VA_ARGS__); \ if (!ans && !warnings[name]) {\ _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Could not find standard cursor: %s", #name); \ warnings[name] = GLFW_TRUE; \ } \ break; } struct wl_cursor* ans = NULL; switch (shape) { C(GLFW_ARROW_CURSOR, "arrow", "left_ptr", "default") C(GLFW_IBEAM_CURSOR, "xterm", "ibeam", "text") C(GLFW_CROSSHAIR_CURSOR, "crosshair", "cross") C(GLFW_HAND_CURSOR, "hand2", "grab", "grabbing", "closedhand") C(GLFW_HRESIZE_CURSOR, "sb_h_double_arrow", "h_double_arrow", "col-resize") C(GLFW_VRESIZE_CURSOR, "sb_v_double_arrow", "v_double_arrow", "row-resize") C(GLFW_NW_RESIZE_CURSOR, "top_left_corner", "nw-resize") C(GLFW_NE_RESIZE_CURSOR, "top_right_corner", "ne-resize") C(GLFW_SW_RESIZE_CURSOR, "bottom_left_corner", "sw-resize") C(GLFW_SE_RESIZE_CURSOR, "bottom_right_corner", "se-resize") case GLFW_INVALID_CURSOR: break; } return ans; #undef NUMARGS #undef C } ////////////////////////////////////////////////////////////////////////// ////// GLFW platform API ////// ////////////////////////////////////////////////////////////////////////// int _glfwPlatformCreateWindow(_GLFWwindow* window, const _GLFWwndconfig* wndconfig, const _GLFWctxconfig* ctxconfig, const _GLFWfbconfig* fbconfig) { window->wl.transparent = fbconfig->transparent; strncpy(window->wl.appId, wndconfig->wl.appId, sizeof(window->wl.appId)); 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 (_glfw.wl.wmBase) { if (!createXdgSurface(window)) return GLFW_FALSE; } else { if (!createShellSurface(window)) return GLFW_FALSE; } window->wl.visible = GLFW_TRUE; } else { window->wl.xdg.surface = NULL; window->wl.xdg.toplevel = NULL; window->wl.shellSurface = 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.shellSurface) wl_shell_surface_destroy(window->wl.shellSurface); 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); if (window->wl.frameCallbackData.current_wl_callback) wl_callback_destroy(window->wl.frameCallbackData.current_wl_callback); } 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); else if (window->wl.shellSurface) wl_shell_surface_set_title(window->wl.shellSurface, title); } void _glfwPlatformSetWindowIcon(_GLFWwindow* window, int count, const GLFWimage* images) { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Setting window icon not supported"); } 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_PLATFORM_ERROR, "Wayland: Window position retrieval not supported"); } void _glfwPlatformSetWindowPos(_GLFWwindow* window, int xpos, int ypos) { // A Wayland client can not set its position, so just warn _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Window position setting not supported"); } 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) { if (width != window->wl.width || height != window->wl.height) { window->wl.width = width; window->wl.height = height; resizeFramebuffer(window); } } void _glfwPlatformSetWindowSizeLimits(_GLFWwindow* window, int minwidth, int minheight, int maxwidth, int maxheight) { if (_glfw.wl.wmBase) { 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); } } else { // TODO: find out how to trigger a resize. // The actual limits are checked in the wl_shell_surface::configure handler. } } void _glfwPlatformSetWindowAspectRatio(_GLFWwindow* window, int numer, int denom) { // TODO: find out how to trigger a resize. // The actual limits are checked in the wl_shell_surface::configure handler. } void _glfwPlatformGetFramebufferSize(_GLFWwindow* window, int* width, int* height) { _glfwPlatformGetWindowSize(window, width, height); *width *= window->wl.scale; *height *= window->wl.scale; } void _glfwPlatformGetWindowFrameSize(_GLFWwindow* window, int* left, int* top, int* right, int* bottom) { if (window->decorated && !window->monitor && !window->wl.decorations.serverSide) { if (top) *top = _GLFW_DECORATION_TOP; if (left) *left = _GLFW_DECORATION_WIDTH; if (right) *right = _GLFW_DECORATION_WIDTH; if (bottom) *bottom = _GLFW_DECORATION_WIDTH; } } void _glfwPlatformGetWindowContentScale(_GLFWwindow* window, float* xscale, float* yscale) { if (xscale) *xscale = (float) window->wl.scale; if (yscale) *yscale = (float) window->wl.scale; } double _glfwPlatformGetDoubleClickInterval(_GLFWwindow* window) { return 0.5; } void _glfwPlatformIconifyWindow(_GLFWwindow* window) { if (_glfw.wl.wmBase) { if (window->wl.xdg.toplevel) xdg_toplevel_set_minimized(window->wl.xdg.toplevel); } else { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Iconify window not supported on wl_shell"); } } 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 here. } else if (window->wl.shellSurface) { if (window->monitor || window->wl.maximized) wl_shell_surface_set_toplevel(window->wl.shellSurface); } _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); } else if (window->wl.shellSurface) { // Let the compositor select the best output. wl_shell_surface_set_maximized(window->wl.shellSurface, NULL); } window->wl.maximized = GLFW_TRUE; } void _glfwPlatformShowWindow(_GLFWwindow* window) { if (!window->wl.visible) { if (_glfw.wl.wmBase) createXdgSurface(window); else if (!window->wl.shellSurface) createShellSurface(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; } else if (window->wl.shellSurface) { wl_shell_surface_destroy(window->wl.shellSurface); window->wl.shellSurface = NULL; } window->wl.visible = GLFW_FALSE; } void _glfwPlatformRequestWindowAttention(_GLFWwindow* window) { // TODO _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Window attention request not implemented yet"); } int _glfwPlatformWindowBell(_GLFWwindow* window) { // TODO: Use an actual Wayland API to implement this when one becomes available static char tty[L_ctermid + 1]; int fd = open(ctermid(tty), O_WRONLY | O_CLOEXEC); if (fd > -1) { int ret = write(fd, "\x07", 1) == 1 ? GLFW_TRUE : GLFW_FALSE; close(fd); return ret; } return GLFW_FALSE; } void _glfwPlatformFocusWindow(_GLFWwindow* window) { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Focusing a window requires user interaction"); } 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); else if (window->wl.shellSurface) wl_shell_surface_set_toplevel(window->wl.shellSurface); setIdleInhibitor(window, GLFW_FALSE); if (!_glfw.wl.decorationManager) createDecorations(window); } _glfwInputWindowMonitor(window, monitor); } int _glfwPlatformWindowFocused(_GLFWwindow* window) { return _glfw.wl.keyboardFocus == window; } int _glfwPlatformWindowOccluded(_GLFWwindow* window) { return GLFW_FALSE; } int _glfwPlatformWindowIconified(_GLFWwindow* window) { // wl_shell doesn't have any iconified concept, and 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_PLATFORM_ERROR, "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_PLATFORM_ERROR, "Wayland: Window attribute setting not implemented yet"); } float _glfwPlatformGetWindowOpacity(_GLFWwindow* window) { return 1.f; } void _glfwPlatformSetWindowOpacity(_GLFWwindow* window, float opacity) { } void _glfwPlatformPollEvents(void) { wl_display_dispatch_pending(_glfw.wl.display); handleEvents(0); } void _glfwPlatformWaitEvents(void) { double timeout = wl_display_dispatch_pending(_glfw.wl.display) > 0 ? 0 : -1; handleEvents(timeout); } void _glfwPlatformWaitEventsTimeout(double timeout) { if (wl_display_dispatch_pending(_glfw.wl.display) > 0) timeout = 0; handleEvents(timeout); } void _glfwPlatformPostEmptyEvent(void) { wl_display_sync(_glfw.wl.display); while (write(_glfw.wl.eventLoopData.wakeupFds[1], "w", 1) < 0 && errno == EINTR); } 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) { return glfw_xkb_keysym_name(scancode); } int _glfwPlatformGetKeyScancode(int key) { return glfw_xkb_sym_for_key(key); } int _glfwPlatformCreateCursor(_GLFWcursor* cursor, const GLFWimage* image, int xhot, int yhot, int count) { 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, GLFWCursorShape shape) { struct wl_cursor* standardCursor; standardCursor = _glfwLoadCursor(shape); if (!standardCursor) return GLFW_FALSE; cursor->wl.cursor = standardCursor; cursor->wl.currentImage = 0; 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 handleRelativeMotion(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; if (window->cursorMode != GLFW_CURSOR_DISABLED) return; _glfwInputCursorPos(window, window->virtualCursorPosX + wl_fixed_to_double(dxUnaccel), window->virtualCursorPosY + wl_fixed_to_double(dyUnaccel)); } static const struct zwp_relative_pointer_v1_listener relativePointerListener = { handleRelativeMotion }; static void handleLocked(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 handleUnlocked(void* data, struct zwp_locked_pointer_v1* lockedPointer) { } static const struct zwp_locked_pointer_v1_listener lockedPointerListener = { handleLocked, handleUnlocked }; 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.pointerSerial, NULL, 0, 0); } static GLFWbool isPointerLocked(_GLFWwindow* window) { return window->wl.pointerLock.lockedPointer != NULL; } void _glfwPlatformSetCursor(_GLFWwindow* window, _GLFWcursor* cursor) { struct wl_cursor* defaultCursor; 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(&cursor->wl); else { defaultCursor = _glfwLoadCursor(GLFW_ARROW_CURSOR); if (!defaultCursor) return; _GLFWcursorWayland cursorWayland = { defaultCursor, NULL, 0, 0, 0, 0, 0 }; setCursorImage(&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.pointerSerial, NULL, 0, 0); } } static void send_text(char *text, int fd) { if (text) { size_t len = strlen(text), pos = 0; double start = glfwGetTime(); while (pos < len && glfwGetTime() - start < 2.0) { ssize_t ret = write(fd, text + pos, len - pos); if (ret < 0) { if (errno == EAGAIN || errno == EINTR) continue; _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Could not copy writing to destination fd failed with error: %s", strerror(errno)); break; } if (ret > 0) { start = glfwGetTime(); pos += ret; } } } close(fd); } static void _glfwSendClipboardText(void *data, struct wl_data_source *data_source, const char *mime_type, int fd) { send_text(_glfw.wl.clipboardString, fd); } static void _glfwSendPrimarySelectionText(void *data, struct zwp_primary_selection_source_v1 *primary_selection_source, const char *mime_type, int fd) { send_text(_glfw.wl.primarySelectionString, fd); } static char* read_offer_string(int data_pipe) { wl_display_flush(_glfw.wl.display); size_t sz = 0, capacity = 0; char *buf = NULL; struct pollfd fds; fds.fd = data_pipe; fds.events = POLLIN; double start = glfwGetTime(); #define bail(...) { \ _glfwInputError(GLFW_PLATFORM_ERROR, __VA_ARGS__); \ free(buf); buf = NULL; \ close(data_pipe); \ return NULL; \ } while (glfwGetTime() - start < 2) { int ret = poll(&fds, 1, 2000); if (ret == -1) { if (errno == EINTR) continue; bail("Wayland: Failed to poll clipboard data from pipe with error: %s", strerror(errno)); } if (!ret) { bail("Wayland: Failed to read clipboard data from pipe (timed out)"); } if (capacity <= sz || capacity - sz <= 64) { capacity += 4096; buf = realloc(buf, capacity); if (!buf) { bail("Wayland: Failed to allocate memory to read clipboard data"); } } ret = read(data_pipe, buf + sz, capacity - sz - 1); if (ret == -1) { if (errno == EINTR || errno == EAGAIN || errno == EWOULDBLOCK) continue; bail("Wayland: Failed to read clipboard data from pipe with error: %s", strerror(errno)); } if (ret == 0) { close(data_pipe); buf[sz] = 0; return buf; } sz += ret; start = glfwGetTime(); } bail("Wayland: Failed to read clipboard data from pipe (timed out)"); #undef bail } static char* read_primary_selection_offer(struct zwp_primary_selection_offer_v1 *primary_selection_offer, const char *mime) { int pipefd[2]; if (pipe2(pipefd, O_CLOEXEC) != 0) return NULL; zwp_primary_selection_offer_v1_receive(primary_selection_offer, mime, pipefd[1]); close(pipefd[1]); return read_offer_string(pipefd[0]); } static char* read_data_offer(struct wl_data_offer *data_offer, const char *mime) { int pipefd[2]; if (pipe2(pipefd, O_CLOEXEC) != 0) return NULL; wl_data_offer_receive(data_offer, mime, pipefd[1]); close(pipefd[1]); return read_offer_string(pipefd[0]); } static void data_source_canceled(void *data, struct wl_data_source *wl_data_source) { if (_glfw.wl.dataSourceForClipboard == wl_data_source) _glfw.wl.dataSourceForClipboard = NULL; wl_data_source_destroy(wl_data_source); } static void primary_selection_source_canceled(void *data, struct zwp_primary_selection_source_v1 *primary_selection_source) { if (_glfw.wl.dataSourceForPrimarySelection == primary_selection_source) _glfw.wl.dataSourceForPrimarySelection = NULL; zwp_primary_selection_source_v1_destroy(primary_selection_source); } static void data_source_target(void *data, struct wl_data_source *wl_data_source, const char* mime) { } const static struct wl_data_source_listener data_source_listener = { .send = _glfwSendClipboardText, .cancelled = data_source_canceled, .target = data_source_target, }; const static struct zwp_primary_selection_source_v1_listener primary_selection_source_listener = { .send = _glfwSendPrimarySelectionText, .cancelled = primary_selection_source_canceled, }; static void prune_unclaimed_data_offers() { for (size_t i = 0; i < arraysz(_glfw.wl.dataOffers); i++) { if (_glfw.wl.dataOffers[i].id && !_glfw.wl.dataOffers[i].offer_type) { wl_data_offer_destroy(_glfw.wl.dataOffers[i].id); memset(_glfw.wl.dataOffers + i, 0, sizeof(_glfw.wl.dataOffers[0])); } } } static void prune_unclaimed_primary_selection_offers() { for (size_t i = 0; i < arraysz(_glfw.wl.primarySelectionOffers); i++) { if (_glfw.wl.primarySelectionOffers[i].id && !_glfw.wl.dataOffers[i].offer_type) { zwp_primary_selection_offer_v1_destroy(_glfw.wl.primarySelectionOffers[i].id); memset(_glfw.wl.primarySelectionOffers + i, 0, sizeof(_glfw.wl.primarySelectionOffers[0])); } } } static void mark_selection_offer(void *data, struct wl_data_device *data_device, struct wl_data_offer *data_offer) { for (size_t i = 0; i < arraysz(_glfw.wl.dataOffers); i++) { if (_glfw.wl.dataOffers[i].id == data_offer) { _glfw.wl.dataOffers[i].offer_type = CLIPBOARD; } else if (_glfw.wl.dataOffers[i].offer_type == CLIPBOARD) { _glfw.wl.dataOffers[i].offer_type = EXPIRED; // previous selection offer } } prune_unclaimed_data_offers(); } static void mark_primary_selection_offer(void *data, struct zwp_primary_selection_device_v1* primary_selection_device, struct zwp_primary_selection_offer_v1 *primary_selection_offer) { for (size_t i = 0; i < arraysz(_glfw.wl.primarySelectionOffers); i++) { if (_glfw.wl.primarySelectionOffers[i].id == primary_selection_offer) { _glfw.wl.primarySelectionOffers[i].offer_type = PRIMARY_SELECTION; } else if (_glfw.wl.primarySelectionOffers[i].offer_type == PRIMARY_SELECTION) { _glfw.wl.primarySelectionOffers[i].offer_type = EXPIRED; // previous selection offer } } prune_unclaimed_primary_selection_offers(); } static void set_offer_mimetype(struct _GLFWWaylandDataOffer* offer, const char* mime) { if (strcmp(mime, "text/plain;charset=utf-8") == 0) offer->mime = "text/plain;charset=utf-8"; else if (!offer->mime && strcmp(mime, "text/plain") == 0) offer->mime = "text/plain"; else if (strcmp(mime, clipboard_mime()) == 0) offer->is_self_offer = 1; else if (strcmp(mime, URI_LIST_MIME) == 0) offer->has_uri_list = 1; } static void handle_offer_mimetype(void *data, struct wl_data_offer* id, const char *mime) { for (size_t i = 0; i < arraysz(_glfw.wl.dataOffers); i++) { if (_glfw.wl.dataOffers[i].id == id) { set_offer_mimetype(&_glfw.wl.dataOffers[i], mime); break; } } } static void handle_primary_selection_offer_mimetype(void *data, struct zwp_primary_selection_offer_v1* id, const char *mime) { for (size_t i = 0; i < arraysz(_glfw.wl.primarySelectionOffers); i++) { if (_glfw.wl.primarySelectionOffers[i].id == id) { set_offer_mimetype((struct _GLFWWaylandDataOffer*)&_glfw.wl.primarySelectionOffers[i], mime); break; } } } static void data_offer_source_actions(void *data, struct wl_data_offer* id, uint32_t actions) { for (size_t i = 0; i < arraysz(_glfw.wl.dataOffers); i++) { if (_glfw.wl.dataOffers[i].id == id) { _glfw.wl.dataOffers[i].source_actions = actions; break; } } } static void data_offer_action(void *data, struct wl_data_offer* id, uint32_t action) { for (size_t i = 0; i < arraysz(_glfw.wl.dataOffers); i++) { if (_glfw.wl.dataOffers[i].id == id) { _glfw.wl.dataOffers[i].dnd_action = action; break; } } } static const struct wl_data_offer_listener data_offer_listener = { .offer = handle_offer_mimetype, .source_actions = data_offer_source_actions, .action = data_offer_action, }; static const struct zwp_primary_selection_offer_v1_listener primary_selection_offer_listener = { .offer = handle_primary_selection_offer_mimetype, }; static void handle_data_offer(void *data, struct wl_data_device *wl_data_device, struct wl_data_offer *id) { size_t smallest_idx = SIZE_MAX, pos = 0; for (size_t i = 0; i < arraysz(_glfw.wl.dataOffers); i++) { if (_glfw.wl.dataOffers[i].idx && _glfw.wl.dataOffers[i].idx < smallest_idx) { smallest_idx = _glfw.wl.dataOffers[i].idx; pos = i; } if (_glfw.wl.dataOffers[i].id == NULL) { _glfw.wl.dataOffers[i].id = id; _glfw.wl.dataOffers[i].idx = ++_glfw.wl.dataOffersCounter; goto end; } } if (_glfw.wl.dataOffers[pos].id) wl_data_offer_destroy(_glfw.wl.dataOffers[pos].id); memset(_glfw.wl.dataOffers + pos, 0, sizeof(_glfw.wl.dataOffers[0])); _glfw.wl.dataOffers[pos].id = id; _glfw.wl.dataOffers[pos].idx = ++_glfw.wl.dataOffersCounter; end: wl_data_offer_add_listener(id, &data_offer_listener, NULL); } static void handle_primary_selection_offer(void *data, struct zwp_primary_selection_device_v1 *zwp_primary_selection_device_v1, struct zwp_primary_selection_offer_v1 *id) { size_t smallest_idx = SIZE_MAX, pos = 0; for (size_t i = 0; i < arraysz(_glfw.wl.primarySelectionOffers); i++) { if (_glfw.wl.primarySelectionOffers[i].idx && _glfw.wl.primarySelectionOffers[i].idx < smallest_idx) { smallest_idx = _glfw.wl.primarySelectionOffers[i].idx; pos = i; } if (_glfw.wl.primarySelectionOffers[i].id == NULL) { _glfw.wl.primarySelectionOffers[i].id = id; _glfw.wl.primarySelectionOffers[i].idx = ++_glfw.wl.primarySelectionOffersCounter; goto end; } } if (_glfw.wl.primarySelectionOffers[pos].id) zwp_primary_selection_offer_v1_destroy(_glfw.wl.primarySelectionOffers[pos].id); memset(_glfw.wl.primarySelectionOffers + pos, 0, sizeof(_glfw.wl.primarySelectionOffers[0])); _glfw.wl.primarySelectionOffers[pos].id = id; _glfw.wl.primarySelectionOffers[pos].idx = ++_glfw.wl.primarySelectionOffersCounter; end: zwp_primary_selection_offer_v1_add_listener(id, &primary_selection_offer_listener, NULL); } static void drag_enter(void *data, struct wl_data_device *wl_data_device, uint32_t serial, struct wl_surface *surface, wl_fixed_t x, wl_fixed_t y, struct wl_data_offer *id) { for (size_t i = 0; i < arraysz(_glfw.wl.dataOffers); i++) { if (_glfw.wl.dataOffers[i].id == id) { _glfw.wl.dataOffers[i].offer_type = DRAG_AND_DROP; _glfw.wl.dataOffers[i].surface = surface; const char *mime = _glfw.wl.dataOffers[i].has_uri_list ? URI_LIST_MIME : NULL; wl_data_offer_accept(id, serial, mime); } else if (_glfw.wl.dataOffers[i].offer_type == DRAG_AND_DROP) { _glfw.wl.dataOffers[i].offer_type = EXPIRED; // previous drag offer } } prune_unclaimed_data_offers(); } static void drag_leave(void *data, struct wl_data_device *wl_data_device) { for (size_t i = 0; i < arraysz(_glfw.wl.dataOffers); i++) { if (_glfw.wl.dataOffers[i].offer_type == DRAG_AND_DROP) { wl_data_offer_destroy(_glfw.wl.dataOffers[i].id); memset(_glfw.wl.dataOffers + i, 0, sizeof(_glfw.wl.dataOffers[0])); } } } static void drop(void *data, struct wl_data_device *wl_data_device) { for (size_t i = 0; i < arraysz(_glfw.wl.dataOffers); i++) { if (_glfw.wl.dataOffers[i].offer_type == DRAG_AND_DROP) { char *uri_list = read_data_offer(_glfw.wl.dataOffers[i].id, URI_LIST_MIME); if (uri_list) { wl_data_offer_finish(_glfw.wl.dataOffers[i].id); int count; char** paths = parseUriList(data, &count); _GLFWwindow* window = _glfw.windowListHead; while (window) { if (window->wl.surface == _glfw.wl.dataOffers[i].surface) { _glfwInputDrop(window, count, (const char**) paths); break; } window = window->next; } for (int k = 0; k < count; k++) free(paths[k]); free(paths); free(uri_list); } wl_data_offer_destroy(_glfw.wl.dataOffers[i].id); memset(_glfw.wl.dataOffers + i, 0, sizeof(_glfw.wl.dataOffers[0])); break; } } } static void motion(void *data, struct wl_data_device *wl_data_device, uint32_t time, wl_fixed_t x, wl_fixed_t y) { } const static struct wl_data_device_listener data_device_listener = { .data_offer = handle_data_offer, .selection = mark_selection_offer, .enter = drag_enter, .motion = motion, .drop = drop, .leave = drag_leave, }; const static struct zwp_primary_selection_device_v1_listener primary_selection_device_listener = { .data_offer = handle_primary_selection_offer, .selection = mark_primary_selection_offer, }; static void clipboard_copy_callback_done(void *data, struct wl_callback *callback, uint32_t serial) { if (_glfw.wl.dataDevice && data == (void*)_glfw.wl.dataSourceForClipboard) { wl_data_device_set_selection(_glfw.wl.dataDevice, data, serial); } wl_callback_destroy(callback); } static void primary_selection_copy_callback_done(void *data, struct wl_callback *callback, uint32_t serial) { if (_glfw.wl.primarySelectionDevice && data == (void*)_glfw.wl.dataSourceForPrimarySelection) { zwp_primary_selection_device_v1_set_selection(_glfw.wl.primarySelectionDevice, data, serial); } wl_callback_destroy(callback); } void _glfwSetupWaylandDataDevice() { _glfw.wl.dataDevice = wl_data_device_manager_get_data_device(_glfw.wl.dataDeviceManager, _glfw.wl.seat); if (_glfw.wl.dataDevice) wl_data_device_add_listener(_glfw.wl.dataDevice, &data_device_listener, NULL); } void _glfwSetupWaylandPrimarySelectionDevice() { _glfw.wl.primarySelectionDevice = zwp_primary_selection_device_manager_v1_get_device(_glfw.wl.primarySelectionDeviceManager, _glfw.wl.seat); if (_glfw.wl.primarySelectionDevice) zwp_primary_selection_device_v1_add_listener(_glfw.wl.primarySelectionDevice, &primary_selection_device_listener, NULL); } static inline GLFWbool _glfwEnsureDataDevice() { if (!_glfw.wl.dataDeviceManager) { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Cannot use clipboard, data device manager is not ready"); return GLFW_FALSE; } if (!_glfw.wl.dataDevice) { if (!_glfw.wl.seat) { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Cannot use clipboard, seat is not ready"); return GLFW_FALSE; } if (!_glfw.wl.dataDevice) { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Cannot use clipboard, failed to create data device"); return GLFW_FALSE; } } return GLFW_TRUE; } void _glfwPlatformSetClipboardString(const char* string) { if (!_glfwEnsureDataDevice()) return; free(_glfw.wl.clipboardString); _glfw.wl.clipboardString = _glfw_strdup(string); if (_glfw.wl.dataSourceForClipboard) wl_data_source_destroy(_glfw.wl.dataSourceForClipboard); _glfw.wl.dataSourceForClipboard = wl_data_device_manager_create_data_source(_glfw.wl.dataDeviceManager); if (!_glfw.wl.dataSourceForClipboard) { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Cannot copy failed to create data source"); return; } wl_data_source_add_listener(_glfw.wl.dataSourceForClipboard, &data_source_listener, NULL); wl_data_source_offer(_glfw.wl.dataSourceForClipboard, clipboard_mime()); wl_data_source_offer(_glfw.wl.dataSourceForClipboard, "text/plain"); wl_data_source_offer(_glfw.wl.dataSourceForClipboard, "text/plain;charset=utf-8"); wl_data_source_offer(_glfw.wl.dataSourceForClipboard, "TEXT"); wl_data_source_offer(_glfw.wl.dataSourceForClipboard, "STRING"); wl_data_source_offer(_glfw.wl.dataSourceForClipboard, "UTF8_STRING"); struct wl_callback *callback = wl_display_sync(_glfw.wl.display); const static struct wl_callback_listener clipboard_copy_callback_listener = {.done = clipboard_copy_callback_done}; wl_callback_add_listener(callback, &clipboard_copy_callback_listener, _glfw.wl.dataSourceForClipboard); } const char* _glfwPlatformGetClipboardString(void) { for (size_t i = 0; i < arraysz(_glfw.wl.dataOffers); i++) { if (_glfw.wl.dataOffers[i].id && _glfw.wl.dataOffers[i].mime && _glfw.wl.dataOffers[i].offer_type == CLIPBOARD) { if (_glfw.wl.dataOffers[i].is_self_offer) return _glfw.wl.clipboardString; free(_glfw.wl.pasteString); _glfw.wl.pasteString = read_data_offer(_glfw.wl.dataOffers[i].id, _glfw.wl.dataOffers[i].mime); return _glfw.wl.pasteString; } } return NULL; } void _glfwPlatformSetPrimarySelectionString(const char* string) { if (!_glfw.wl.primarySelectionDevice) { static GLFWbool warned_about_primary_selection_device = GLFW_FALSE; if (!warned_about_primary_selection_device) { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Cannot copy no primary selection device available"); warned_about_primary_selection_device = GLFW_TRUE; } return; } if (_glfw.wl.primarySelectionString == string) return; free(_glfw.wl.primarySelectionString); _glfw.wl.primarySelectionString = _glfw_strdup(string); if (_glfw.wl.dataSourceForPrimarySelection) zwp_primary_selection_source_v1_destroy(_glfw.wl.dataSourceForPrimarySelection); _glfw.wl.dataSourceForPrimarySelection = zwp_primary_selection_device_manager_v1_create_source(_glfw.wl.primarySelectionDeviceManager); if (!_glfw.wl.dataSourceForPrimarySelection) { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Cannot copy failed to create primary selection source"); return; } zwp_primary_selection_source_v1_add_listener(_glfw.wl.dataSourceForPrimarySelection, &primary_selection_source_listener, NULL); zwp_primary_selection_source_v1_offer(_glfw.wl.dataSourceForPrimarySelection, clipboard_mime()); zwp_primary_selection_source_v1_offer(_glfw.wl.dataSourceForPrimarySelection, "text/plain"); zwp_primary_selection_source_v1_offer(_glfw.wl.dataSourceForPrimarySelection, "text/plain;charset=utf-8"); zwp_primary_selection_source_v1_offer(_glfw.wl.dataSourceForPrimarySelection, "TEXT"); zwp_primary_selection_source_v1_offer(_glfw.wl.dataSourceForPrimarySelection, "STRING"); zwp_primary_selection_source_v1_offer(_glfw.wl.dataSourceForPrimarySelection, "UTF8_STRING"); struct wl_callback *callback = wl_display_sync(_glfw.wl.display); const static struct wl_callback_listener primary_selection_copy_callback_listener = {.done = primary_selection_copy_callback_done}; wl_callback_add_listener(callback, &primary_selection_copy_callback_listener, _glfw.wl.dataSourceForPrimarySelection); } const char* _glfwPlatformGetPrimarySelectionString(void) { if (_glfw.wl.dataSourceForPrimarySelection != NULL) return _glfw.wl.primarySelectionString; for (size_t i = 0; i < arraysz(_glfw.wl.primarySelectionOffers); i++) { if (_glfw.wl.primarySelectionOffers[i].id && _glfw.wl.primarySelectionOffers[i].mime && _glfw.wl.primarySelectionOffers[i].offer_type == PRIMARY_SELECTION) { if (_glfw.wl.primarySelectionOffers[i].is_self_offer) { return _glfw.wl.primarySelectionString; } free(_glfw.wl.pasteString); _glfw.wl.pasteString = read_primary_selection_offer(_glfw.wl.primarySelectionOffers[i].id, _glfw.wl.primarySelectionOffers[i].mime); return _glfw.wl.pasteString; } } return NULL; } 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; } void _glfwPlatformUpdateIMEState(_GLFWwindow *w, int which, int a, int b, int c, int d) { glfw_xkb_update_ime_state(w, &_glfw.wl.xkb, which, a, b, c, d); } static void frame_handle_redraw(void *data, struct wl_callback *callback, uint32_t time) { _GLFWwindow* window = (_GLFWwindow*) data; if (callback == window->wl.frameCallbackData.current_wl_callback) { window->wl.frameCallbackData.callback(window->wl.frameCallbackData.id); window->wl.frameCallbackData.current_wl_callback = NULL; } wl_callback_destroy(callback); } ////////////////////////////////////////////////////////////////////////// ////// 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; } GLFWAPI int glfwGetXKBScancode(const char* keyName, GLFWbool caseSensitive) { return glfw_xkb_keysym_from_name(keyName, caseSensitive); } GLFWAPI void glfwRequestWaylandFrameEvent(GLFWwindow *handle, unsigned long long id, void(*callback)(unsigned long long id)) { _GLFWwindow* window = (_GLFWwindow*) handle; static const struct wl_callback_listener frame_listener = { .done = frame_handle_redraw }; if (window->wl.frameCallbackData.current_wl_callback) wl_callback_destroy(window->wl.frameCallbackData.current_wl_callback); window->wl.frameCallbackData.id = id; window->wl.frameCallbackData.callback = callback; window->wl.frameCallbackData.current_wl_callback = wl_surface_frame(window->wl.surface); if (window->wl.frameCallbackData.current_wl_callback) { wl_callback_add_listener(window->wl.frameCallbackData.current_wl_callback, &frame_listener, window); wl_surface_commit(window->wl.surface); } } GLFWAPI unsigned long long glfwDBusUserNotify(const char *app_name, const char* icon, const char *summary, const char *body, const char *action_name, int32_t timeout, GLFWDBusnotificationcreatedfun callback, void *data) { return glfw_dbus_send_user_notification(app_name, icon, summary, body, action_name, timeout, callback, data); } GLFWAPI void glfwDBusSetUserNotificationHandler(GLFWDBusnotificationactivatedfun handler) { glfw_dbus_set_user_notification_activated_handler(handler); }