//======================================================================== // GLFW 3.4 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. // //======================================================================== // It is fine to use C99 in this file because it will not be built with VS //======================================================================== #define _GNU_SOURCE #include "internal.h" #include "backend_utils.h" #include "memfd.h" #include "linux_notify.h" #include "wl_client_side_decorations.h" #include "../kitty/monotonic.h" #include #include #include #include #include #include static struct wl_buffer* createShmBuffer(const GLFWimage* image, bool is_opaque, bool init_data) { struct wl_shm_pool* pool; struct wl_buffer* buffer; int stride = image->width * 4; int length = image->width * image->height * 4; void* data; int fd, i; fd = createAnonymousFile(length); if (fd < 0) { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Creating a buffer file for %d B failed: %s", length, strerror(errno)); return NULL; } data = mmap(NULL, length, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); if (data == MAP_FAILED) { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: mmap failed: %s", strerror(errno)); close(fd); return NULL; } pool = wl_shm_create_pool(_glfw.wl.shm, fd, length); close(fd); if (init_data) { 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, is_opaque ? WL_SHM_FORMAT_XRGB8888 : WL_SHM_FORMAT_ARGB8888); munmap(data, length); wl_shm_pool_destroy(pool); return buffer; } static void setCursorImage(_GLFWwindow* window, bool on_theme_change) { _GLFWcursorWayland defaultCursor = {.shape = GLFW_ARROW_CURSOR}; _GLFWcursorWayland* cursorWayland = window->cursor ? &window->cursor->wl : &defaultCursor; struct wl_cursor_image* image = NULL; struct wl_buffer* buffer = NULL; struct wl_surface* surface = _glfw.wl.cursorSurface; const int scale = window->wl.scale; if (cursorWayland->scale < 0) { buffer = cursorWayland->buffer; toggleTimer(&_glfw.wl.eventLoopData, _glfw.wl.cursorAnimationTimer, 0); } else { if (on_theme_change || cursorWayland->scale != scale) { struct wl_cursor *newCursor = NULL; struct wl_cursor_theme *theme = glfw_wlc_theme_for_scale(scale); if (theme) newCursor = _glfwLoadCursor(cursorWayland->shape, theme); if (newCursor != NULL) { cursorWayland->cursor = newCursor; cursorWayland->scale = scale; cursorWayland->currentImage = 0; } else { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: late cursor load failed; proceeding with existing cursor"); } } if (!cursorWayland->cursor || !cursorWayland->cursor->image_count) return; if (cursorWayland->currentImage >= cursorWayland->cursor->image_count) cursorWayland->currentImage = 0; image = cursorWayland->cursor->images[cursorWayland->currentImage]; if (!image) image = cursorWayland->cursor->images[0]; if (!image) return; buffer = wl_cursor_image_get_buffer(image); if (image->delay && window->cursor) { changeTimerInterval(&_glfw.wl.eventLoopData, _glfw.wl.cursorAnimationTimer, ms_to_monotonic_t(image->delay)); 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.serial, surface, cursorWayland->xhot / scale, cursorWayland->yhot / scale); wl_surface_set_buffer_scale(surface, scale); wl_surface_attach(surface, buffer, 0, 0); wl_surface_damage(surface, 0, 0, cursorWayland->width, cursorWayland->height); wl_surface_commit(surface); } static bool 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 false; // Get the scale factor from the highest scale monitor that this window is on for (i = 0; i < window->wl.monitorsCount; ++i) { monitorScale = window->wl.monitors[i]->wl.scale; if (scale < monitorScale) scale = monitorScale; } if (window->wl.monitorsCount < 1 && _glfw.monitorCount > 0) { // The window has not yet been assigned to any monitors, use the primary monitor _GLFWmonitor *m = _glfw.monitors[0]; if (m && m->wl.scale > scale) scale = m->wl.scale; } // 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); setCursorImage(window, false); return true; } if (window->wl.monitorsCount > 0 && !window->wl.initial_scale_notified) { window->wl.initial_scale_notified = true; return true; } return 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.mapping.data) resize_csd(window); } static const char* clipboard_mime(void) { static char buf[128] = {0}; if (buf[0] == 0) { snprintf(buf, sizeof(buf), "application/glfw+clipboard-%d", getpid()); } return buf; } 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; bool size_changed = width != window->wl.width || height != window->wl.height; bool 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 xdgDecorationHandleConfigure(void* data, struct zxdg_toplevel_decoration_v1* decoration UNUSED, uint32_t mode) { _GLFWwindow* window = data; window->wl.decorations.serverSide = (mode == ZXDG_TOPLEVEL_DECORATION_V1_MODE_SERVER_SIDE); if (!window->wl.decorations.serverSide) ensure_csd_resources(window); } static const struct zxdg_toplevel_decoration_v1_listener xdgDecorationListener = { xdgDecorationHandleConfigure, }; static void surfaceHandleEnter(void *data, struct wl_surface *surface UNUSED, 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 surfaceHandleLeave(void *data, struct wl_surface *surface UNUSED, struct wl_output *output) { _GLFWwindow* window = data; _GLFWmonitor* monitor = wl_output_get_user_data(output); bool found; int i; for (i = 0, found = false; i < window->wl.monitorsCount - 1; ++i) { if (monitor == window->wl.monitors[i]) found = 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 = { surfaceHandleEnter, surfaceHandleLeave }; static void setIdleInhibitor(_GLFWwindow* window, bool 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 bool createSurface(_GLFWwindow* window, const _GLFWwndconfig* wndconfig) { window->wl.surface = wl_compositor_create_surface(_glfw.wl.compositor); if (!window->wl.surface) return 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 false; window->wl.width = wndconfig->width; window->wl.height = wndconfig->height; window->wl.scale = 1; if (!window->wl.transparent) setOpaqueRegion(window); return true; } static void setFullscreen(_GLFWwindow* window, _GLFWmonitor* monitor, bool on) { if (window->wl.xdg.toplevel) { if (on) { xdg_toplevel_set_fullscreen( window->wl.xdg.toplevel, monitor ? monitor->wl.output : NULL); if (!window->wl.decorations.serverSide) free_csd_surfaces(window); } else { xdg_toplevel_unset_fullscreen(window->wl.xdg.toplevel); if (!_glfw.wl.decorationManager) ensure_csd_resources(window); } } setIdleInhibitor(window, on); } bool _glfwPlatformToggleFullscreen(_GLFWwindow *window, unsigned int flags UNUSED) { bool already_fullscreen = window->wl.fullscreened; setFullscreen(window, NULL, !already_fullscreen); return !already_fullscreen; } static void xdgToplevelHandleConfigure(void* data, struct xdg_toplevel* toplevel UNUSED, int32_t width, int32_t height, struct wl_array* states) { _GLFWwindow* window = data; float aspectRatio; float targetRatio; uint32_t* state; bool maximized = false; bool fullscreen = false; bool activated = false; wl_array_for_each(state, states) { switch (*state) { case XDG_TOPLEVEL_STATE_MAXIMIZED: maximized = true; break; case XDG_TOPLEVEL_STATE_FULLSCREEN: fullscreen = true; break; case XDG_TOPLEVEL_STATE_RESIZING: break; case XDG_TOPLEVEL_STATE_ACTIVATED: activated = 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 = (int32_t)((float)width / targetRatio); else if (aspectRatio > targetRatio) width = (int32_t)((float)height * targetRatio); } } } window->wl.fullscreened = fullscreen; if (!fullscreen) { if (window->decorated && !window->wl.decorations.serverSide && window->wl.decorations.left.surface) { width -= window->wl.decorations.metrics.horizontal; height -= window->wl.decorations.metrics.vertical; } } dispatchChangesAfterConfigure(window, width, height); _glfwInputWindowFocus(window, activated); ensure_csd_resources(window); } static void xdgToplevelHandleClose(void* data, struct xdg_toplevel* toplevel UNUSED) { _GLFWwindow* window = data; _glfwInputWindowCloseRequest(window); } static const struct xdg_toplevel_listener xdgToplevelListener = { xdgToplevelHandleConfigure, xdgToplevelHandleClose }; static void xdgSurfaceHandleConfigure(void* data UNUSED, 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 = false; ensure_csd_resources(window); } } static bool 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 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 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, true); } else if (window->wl.maximized) { xdg_toplevel_set_maximized(window->wl.xdg.toplevel); setIdleInhibitor(window, false); setXdgDecorations(window); } else { setIdleInhibitor(window, 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 true; } static void incrementCursorImage(_GLFWwindow* window) { if (window && window->wl.decorations.focus == CENTRAL_WINDOW && window->cursorMode != GLFW_CURSOR_HIDDEN) { _GLFWcursor* cursor = window->wl.currentCursor; if (cursor && cursor->wl.cursor) { cursor->wl.currentImage += 1; cursor->wl.currentImage %= cursor->wl.cursor->image_count; setCursorImage(window, false); 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 UNUSED, void *data UNUSED) { incrementCursorImage(_glfw.wl.pointerFocus); } static void abortOnFatalError(int last_error) { static bool abort_called = false; if (!abort_called) { abort_called = true; _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: fatal display error: %s", strerror(last_error)); if (_glfw.callbacks.application_close) _glfw.callbacks.application_close(1); else { _GLFWwindow* window = _glfw.windowListHead; while (window) { _glfwInputWindowCloseRequest(window); window = window->next; } } } // ensure the tick callback is called _glfw.wl.eventLoopData.wakeup_data_read = true; } static void wayland_read_events(int poll_result, int events, void *data UNUSED) { EVDBG("wayland_read_events poll_result: %d events: %d", poll_result, events); if (poll_result > 0 && events) wl_display_read_events(_glfw.wl.display); else wl_display_cancel_read(_glfw.wl.display); } static void handleEvents(monotonic_t timeout) { struct wl_display* display = _glfw.wl.display; errno = 0; EVDBG("starting handleEvents(%.2f)", monotonic_t_to_s_double(timeout)); while (wl_display_prepare_read(display) != 0) { if (wl_display_dispatch_pending(display) == -1) { abortOnFatalError(errno); return; } } // If an error different from EAGAIN happens, we have likely been // disconnected from the Wayland session, try to handle that the best we // can. errno = 0; if (wl_display_flush(display) < 0 && errno != EAGAIN) { wl_display_cancel_read(display); abortOnFatalError(errno); return; } // we pass in wayland_read_events to ensure that the above wl_display_prepare_read call // is followed by either wl_display_cancel_read or wl_display_read_events // before any events/timers are dispatched. This allows other wayland functions // to be called in the event/timer handlers without causing a deadlock bool display_read_ok = pollForEvents(&_glfw.wl.eventLoopData, timeout, wayland_read_events); EVDBG("display_read_ok: %d", display_read_ok); if (display_read_ok) { int num = wl_display_dispatch_pending(display); (void)num; EVDBG("dispatched %d Wayland events", num); } glfw_ibus_dispatch(&_glfw.wl.xkb.ibus); glfw_dbus_session_bus_dispatch(); EVDBG("other dispatch done"); if (_glfw.wl.eventLoopData.wakeup_fd_ready) check_for_wakeup_events(&_glfw.wl.eventLoopData); } static struct wl_cursor* try_cursor_names(struct wl_cursor_theme* theme, 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(theme, name); } va_end(ap); return ans; } struct wl_cursor* _glfwLoadCursor(GLFWCursorShape shape, struct wl_cursor_theme* theme) { static bool warnings[GLFW_INVALID_CURSOR] = {0}; if (!theme) return NULL; #define NUMARGS(...) (sizeof((const char*[]){__VA_ARGS__})/sizeof(const char*)) #define C(name, ...) case name: { \ ans = try_cursor_names(theme, NUMARGS(__VA_ARGS__), __VA_ARGS__); \ if (!ans && !warnings[name]) {\ _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Could not find standard cursor: %s", #name); \ warnings[name] = true; \ } \ break; } struct wl_cursor* ans = NULL; switch (shape) { C(GLFW_ARROW_CURSOR, "left_ptr", "arrow", "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.decorations.metrics.width = 12; window->wl.decorations.metrics.top = 36; window->wl.decorations.metrics.horizontal = 2 * window->wl.decorations.metrics.width; window->wl.decorations.metrics.vertical = window->wl.decorations.metrics.width + window->wl.decorations.metrics.top; window->wl.transparent = fbconfig->transparent; strncpy(window->wl.appId, wndconfig->wl.appId, sizeof(window->wl.appId)); if (!createSurface(window, wndconfig)) return false; if (ctxconfig->client != GLFW_NO_API) { if (ctxconfig->source == GLFW_EGL_CONTEXT_API || ctxconfig->source == GLFW_NATIVE_CONTEXT_API) { if (!_glfwInitEGL()) return false; if (!_glfwCreateContextEGL(window, ctxconfig, fbconfig)) return false; } else if (ctxconfig->source == GLFW_OSMESA_CONTEXT_API) { if (!_glfwInitOSMesa()) return false; if (!_glfwCreateContextOSMesa(window, ctxconfig, fbconfig)) return false; } } if (wndconfig->title) window->wl.title = _glfw_strdup(wndconfig->title); if (wndconfig->visible) { if (!createXdgSurface(window)) return false; window->wl.visible = true; } else { window->wl.xdg.surface = NULL; window->wl.xdg.toplevel = NULL; window->wl.visible = false; } window->wl.currentCursor = NULL; // Don't set window->wl.cursorTheme to NULL here. window->wl.monitors = calloc(1, sizeof(_GLFWmonitor*)); window->wl.monitorsCount = 0; window->wl.monitorsSize = 1; return true; } void _glfwPlatformDestroyWindow(_GLFWwindow* window) { if (window == _glfw.wl.pointerFocus) { _glfw.wl.pointerFocus = NULL; _glfwInputCursorEnter(window, false); } if (window->id == _glfw.wl.keyboardFocusId) { _glfw.wl.keyboardFocusId = 0; _glfwInputWindowFocus(window, false); } if (window->id == _glfw.wl.keyRepeatInfo.keyboardFocusId) { _glfw.wl.keyRepeatInfo.keyboardFocusId = 0; } if (window->wl.idleInhibitor) zwp_idle_inhibitor_v1_destroy(window->wl.idleInhibitor); if (window->context.destroy) window->context.destroy(window); free_all_csd_resources(window); if (window->wl.xdg.decoration) zxdg_toplevel_decoration_v1_destroy(window->wl.xdg.decoration); if (window->wl.native) wl_egl_window_destroy(window->wl.native); if (window->wl.xdg.toplevel) xdg_toplevel_destroy(window->wl.xdg.toplevel); if (window->wl.xdg.surface) xdg_surface_destroy(window->wl.xdg.surface); if (window->wl.surface) wl_surface_destroy(window->wl.surface); free(window->wl.title); free(window->wl.monitors); 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) { if (title && strcmp(title, window->wl.title) == 0) return; free(window->wl.title); } else if (!title) return; // Wayland cannot handle requests larger than ~8200 bytes. Sending // one causes an abort(). Since titles this large are meaningless anyway // ensure they do not happen. window->wl.title = utf_8_strndup(title, 2048); if (window->wl.xdg.toplevel) xdg_toplevel_set_title(window->wl.xdg.toplevel, window->wl.title); if (window->wl.decorations.top.surface) change_csd_title(window); } void _glfwPlatformSetWindowIcon(_GLFWwindow* window UNUSED, int count UNUSED, const GLFWimage* images UNUSED) { _glfwInputError(GLFW_FEATURE_UNAVAILABLE, "Wayland: The platform does not support setting the window icon"); } void _glfwPlatformGetWindowPos(_GLFWwindow* window UNUSED, int* xpos UNUSED, int* ypos UNUSED) { // A Wayland client is not aware of its position, so just warn and leave it // as (0, 0) static bool warned_once = false; if (!warned_once) { _glfwInputError(GLFW_FEATURE_UNAVAILABLE, "Wayland: The platform does not provide the window position"); warned_once = true; } } void _glfwPlatformSetWindowPos(_GLFWwindow* window UNUSED, int xpos UNUSED, int ypos UNUSED) { // A Wayland client can not set its position, so just warn _glfwInputError(GLFW_FEATURE_UNAVAILABLE, "Wayland: The platform does not support setting the window position"); } void _glfwPlatformGetWindowSize(_GLFWwindow* window, int* width, int* height) { if (width) *width = window->wl.width; if (height) *height = window->wl.height; } void _glfwPlatformSetWindowSize(_GLFWwindow* window, int width, int height) { 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 (window->wl.xdg.toplevel) { if (minwidth == GLFW_DONT_CARE || minheight == GLFW_DONT_CARE) minwidth = minheight = 0; if (maxwidth == GLFW_DONT_CARE || maxheight == GLFW_DONT_CARE) maxwidth = maxheight = 0; xdg_toplevel_set_min_size(window->wl.xdg.toplevel, minwidth, minheight); xdg_toplevel_set_max_size(window->wl.xdg.toplevel, maxwidth, maxheight); wl_surface_commit(window->wl.surface); } } void _glfwPlatformSetWindowAspectRatio(_GLFWwindow* window UNUSED, int numer UNUSED, int denom UNUSED) { // TODO: find out how to trigger a resize. // The actual limits are checked in the xdg_toplevel::configure handler. _glfwInputError(GLFW_FEATURE_UNIMPLEMENTED, "Wayland: Window aspect ratio not yet implemented"); } void _glfwPlatformSetWindowSizeIncrements(_GLFWwindow* window UNUSED, int widthincr UNUSED, int heightincr UNUSED) { // TODO: find out how to trigger a resize. // The actual limits are checked in the xdg_toplevel::configure handler. } void _glfwPlatformGetFramebufferSize(_GLFWwindow* window, int* width, int* height) { _glfwPlatformGetWindowSize(window, width, height); if (width) *width *= window->wl.scale; if (height) *height *= window->wl.scale; } void _glfwPlatformGetWindowFrameSize(_GLFWwindow* window, int* left, int* top, int* right, int* bottom) { if (window->decorated && !window->monitor && !window->wl.decorations.serverSide) { if (top) *top = window->wl.decorations.metrics.top; if (left) *left = window->wl.decorations.metrics.width; if (right) *right = window->wl.decorations.metrics.width; if (bottom) *bottom = window->wl.decorations.metrics.width; } } void _glfwPlatformGetWindowContentScale(_GLFWwindow* window, float* xscale, float* yscale) { if (xscale) *xscale = (float) window->wl.scale; if (yscale) *yscale = (float) window->wl.scale; } monotonic_t _glfwPlatformGetDoubleClickInterval(_GLFWwindow* window UNUSED) { return ms_to_monotonic_t(500ll); } void _glfwPlatformIconifyWindow(_GLFWwindow* window) { if (window->wl.xdg.toplevel) xdg_toplevel_set_minimized(window->wl.xdg.toplevel); } void _glfwPlatformRestoreWindow(_GLFWwindow* window) { if (window->wl.xdg.toplevel) { if (window->monitor) xdg_toplevel_unset_fullscreen(window->wl.xdg.toplevel); if (window->wl.maximized) xdg_toplevel_unset_maximized(window->wl.xdg.toplevel); // There is no way to unset minimized, or even to know if we are // minimized, so there is nothing to do in this case. } _glfwInputWindowMonitor(window, NULL); window->wl.maximized = false; } void _glfwPlatformMaximizeWindow(_GLFWwindow* window) { if (window->wl.xdg.toplevel) { xdg_toplevel_set_maximized(window->wl.xdg.toplevel); } window->wl.maximized = true; } void _glfwPlatformShowWindow(_GLFWwindow* window) { if (!window->wl.visible) { createXdgSurface(window); window->wl.visible = true; } } void _glfwPlatformHideWindow(_GLFWwindow* window) { if (window->wl.xdg.toplevel) { xdg_toplevel_destroy(window->wl.xdg.toplevel); xdg_surface_destroy(window->wl.xdg.surface); window->wl.xdg.toplevel = NULL; window->wl.xdg.surface = NULL; } window->wl.visible = false; } void _glfwPlatformRequestWindowAttention(_GLFWwindow* window UNUSED) { // TODO static bool notified = false; if (!notified) { _glfwInputError(GLFW_FEATURE_UNIMPLEMENTED, "Wayland: Window attention request not implemented yet"); notified = true; } } int _glfwPlatformWindowBell(_GLFWwindow* window UNUSED) { // 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 ? true : false; close(fd); return ret; } return false; } void _glfwPlatformFocusWindow(_GLFWwindow* window UNUSED) { _glfwInputError(GLFW_FEATURE_UNAVAILABLE, "Wayland: The platform does not support setting the input focus"); } void _glfwPlatformSetWindowMonitor(_GLFWwindow* window, _GLFWmonitor* monitor, int xpos UNUSED, int ypos UNUSED, int width UNUSED, int height UNUSED, int refreshRate UNUSED) { setFullscreen(window, monitor, monitor != NULL); _glfwInputWindowMonitor(window, monitor); } int _glfwPlatformWindowFocused(_GLFWwindow* window) { return _glfw.wl.keyboardFocusId = window ? window->id : 0; } int _glfwPlatformWindowOccluded(_GLFWwindow* window UNUSED) { return false; } int _glfwPlatformWindowIconified(_GLFWwindow* window UNUSED) { // xdg-shell doesn’t give any way to request whether a surface is // iconified. return 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 UNUSED, bool enabled UNUSED) { // TODO _glfwInputError(GLFW_FEATURE_UNIMPLEMENTED, "Wayland: Window attribute setting not implemented yet"); } void _glfwPlatformSetWindowDecorated(_GLFWwindow* window, bool enabled) { if (!window->monitor) { if (enabled) ensure_csd_resources(window); else free_csd_surfaces(window); } } void _glfwPlatformSetWindowFloating(_GLFWwindow* window UNUSED, bool enabled UNUSED) { // TODO _glfwInputError(GLFW_FEATURE_UNIMPLEMENTED, "Wayland: Window attribute setting not implemented yet"); } void _glfwPlatformSetWindowMousePassthrough(_GLFWwindow* window, bool enabled) { if (enabled) { struct wl_region* region = wl_compositor_create_region(_glfw.wl.compositor); wl_surface_set_input_region(window->wl.surface, region); wl_region_destroy(region); } else wl_surface_set_input_region(window->wl.surface, 0); wl_surface_commit(window->wl.surface); } float _glfwPlatformGetWindowOpacity(_GLFWwindow* window UNUSED) { return 1.f; } void _glfwPlatformSetWindowOpacity(_GLFWwindow* window UNUSED, float opacity UNUSED) { _glfwInputError(GLFW_FEATURE_UNAVAILABLE, "Wayland: The platform does not support setting the window opacity"); } void _glfwPlatformSetRawMouseMotion(_GLFWwindow *window UNUSED, bool enabled UNUSED) { // This is handled in relativePointerHandleRelativeMotion } bool _glfwPlatformRawMouseMotionSupported(void) { return true; } void _glfwPlatformPollEvents(void) { wl_display_dispatch_pending(_glfw.wl.display); handleEvents(0); } void _glfwPlatformWaitEvents(void) { monotonic_t timeout = wl_display_dispatch_pending(_glfw.wl.display) > 0 ? 0 : -1; handleEvents(timeout); } void _glfwPlatformWaitEventsTimeout(monotonic_t timeout) { if (wl_display_dispatch_pending(_glfw.wl.display) > 0) timeout = 0; handleEvents(timeout); } void _glfwPlatformPostEmptyEvent(void) { wakeupEventLoop(&_glfw.wl.eventLoopData); } void _glfwPlatformGetCursorPos(_GLFWwindow* window, double* xpos, double* ypos) { if (xpos) *xpos = window->wl.cursorPosX; if (ypos) *ypos = window->wl.cursorPosY; } static bool 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 UNUSED) { _glfwPlatformSetCursor(window, window->wl.currentCursor); } const char* _glfwPlatformGetNativeKeyName(int native_key) { return glfw_xkb_keysym_name(native_key); } int _glfwPlatformGetNativeKeyForKey(uint32_t key) { return glfw_xkb_sym_for_key(key); } int _glfwPlatformCreateCursor(_GLFWcursor* cursor, const GLFWimage* image, int xhot, int yhot, int count UNUSED) { cursor->wl.buffer = createShmBuffer(image, false, true); if (!cursor->wl.buffer) return false; cursor->wl.width = image->width; cursor->wl.height = image->height; cursor->wl.xhot = xhot; cursor->wl.yhot = yhot; cursor->wl.scale = -1; cursor->wl.shape = GLFW_INVALID_CURSOR; return true; } int _glfwPlatformCreateStandardCursor(_GLFWcursor* cursor, GLFWCursorShape shape) { // Don't actually load the cursor at this point, // because there's not enough info to be properly HiDPI aware. cursor->wl.cursor = NULL; cursor->wl.currentImage = 0; cursor->wl.scale = 0; cursor->wl.shape = shape; return true; } void _glfwPlatformDestroyCursor(_GLFWcursor* cursor) { // If it's a standard cursor we don't need to do anything here if (cursor->wl.cursor) return; if (cursor->wl.buffer) wl_buffer_destroy(cursor->wl.buffer); } static void relativePointerHandleRelativeMotion(void* data, struct zwp_relative_pointer_v1* pointer UNUSED, uint32_t timeHi UNUSED, uint32_t timeLo UNUSED, wl_fixed_t dx, wl_fixed_t dy, wl_fixed_t dxUnaccel, wl_fixed_t dyUnaccel) { _GLFWwindow* window = data; double xpos = window->virtualCursorPosX; double ypos = window->virtualCursorPosY; if (window->cursorMode != GLFW_CURSOR_DISABLED) return; if (window->rawMouseMotion) { xpos += wl_fixed_to_double(dxUnaccel); ypos += wl_fixed_to_double(dyUnaccel); } else { xpos += wl_fixed_to_double(dx); ypos += wl_fixed_to_double(dy); } _glfwInputCursorPos(window, xpos, ypos); } static const struct zwp_relative_pointer_v1_listener relativePointerListener = { relativePointerHandleRelativeMotion }; static void lockedPointerHandleLocked(void* data UNUSED, struct zwp_locked_pointer_v1* lockedPointer UNUSED) { } 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 UNUSED); static void lockedPointerHandleUnlocked(void* data UNUSED, struct zwp_locked_pointer_v1* lockedPointer UNUSED) { } static const struct zwp_locked_pointer_v1_listener lockedPointerListener = { lockedPointerHandleLocked, lockedPointerHandleUnlocked }; static void lockPointer(_GLFWwindow* window) { struct zwp_relative_pointer_v1* relativePointer; struct zwp_locked_pointer_v1* lockedPointer; if (!_glfw.wl.relativePointerManager) { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: no relative pointer manager"); return; } relativePointer = zwp_relative_pointer_manager_v1_get_relative_pointer( _glfw.wl.relativePointerManager, _glfw.wl.pointer); zwp_relative_pointer_v1_add_listener(relativePointer, &relativePointerListener, window); lockedPointer = zwp_pointer_constraints_v1_lock_pointer( _glfw.wl.pointerConstraints, window->wl.surface, _glfw.wl.pointer, NULL, ZWP_POINTER_CONSTRAINTS_V1_LIFETIME_PERSISTENT); zwp_locked_pointer_v1_add_listener(lockedPointer, &lockedPointerListener, window); window->wl.pointerLock.relativePointer = relativePointer; window->wl.pointerLock.lockedPointer = lockedPointer; wl_pointer_set_cursor(_glfw.wl.pointer, _glfw.wl.serial, NULL, 0, 0); } static bool isPointerLocked(_GLFWwindow* window) { return window->wl.pointerLock.lockedPointer != NULL; } void _glfwPlatformSetCursor(_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 != _glfw.wl.pointerFocus || window->wl.decorations.focus != CENTRAL_WINDOW) 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) { setCursorImage(window, false); } else if (window->cursorMode == GLFW_CURSOR_DISABLED) { if (!isPointerLocked(window)) lockPointer(window); } else if (window->cursorMode == GLFW_CURSOR_HIDDEN) { wl_pointer_set_cursor(_glfw.wl.pointer, _glfw.wl.serial, NULL, 0, 0); } } static void send_text(char *text, int fd) { if (text) { size_t len = strlen(text), pos = 0; monotonic_t start = glfwGetTime(); while (pos < len && glfwGetTime() - start < s_to_monotonic_t(2ll)) { 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 UNUSED, struct wl_data_source *data_source UNUSED, const char *mime_type UNUSED, int fd) { send_text(_glfw.wl.clipboardString, fd); } static void _glfwSendPrimarySelectionText(void *data UNUSED, struct zwp_primary_selection_source_v1 *primary_selection_source UNUSED, const char *mime_type UNUSED, int fd) { send_text(_glfw.wl.primarySelectionString, fd); } static char* read_offer_string(int data_pipe, size_t *data_sz) { wl_display_flush(_glfw.wl.display); size_t capacity = 0; char *buf = NULL; *data_sz = 0; struct pollfd fds; fds.fd = data_pipe; fds.events = POLLIN; monotonic_t start = glfwGetTime(); #define bail(...) { \ _glfwInputError(GLFW_PLATFORM_ERROR, __VA_ARGS__); \ free(buf); buf = NULL; \ close(data_pipe); \ return NULL; \ } while (glfwGetTime() - start < s_to_monotonic_t(2ll)) { 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 <= *data_sz || capacity - *data_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 + *data_sz, capacity - *data_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[*data_sz] = 0; return buf; } *data_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]); size_t sz = 0; return read_offer_string(pipefd[0], &sz); } static char* read_data_offer(struct wl_data_offer *data_offer, const char *mime, size_t *sz) { 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], sz); } static void data_source_canceled(void *data UNUSED, 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 UNUSED, 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 UNUSED, struct wl_data_source *wl_data_source UNUSED, const char* mime UNUSED) { } static const struct wl_data_source_listener data_source_listener = { .send = _glfwSendClipboardText, .cancelled = data_source_canceled, .target = data_source_target, }; static const struct zwp_primary_selection_source_v1_listener primary_selection_source_listener = { .send = _glfwSendPrimarySelectionText, .cancelled = primary_selection_source_canceled, }; void destroy_data_offer(_GLFWWaylandDataOffer *offer) { if (offer->id) { if (offer->is_primary) zwp_primary_selection_offer_v1_destroy(offer->id); else wl_data_offer_destroy(offer->id); } if (offer->mimes) { for (size_t i = 0; i < offer->mimes_count; i++) free((char*)offer->mimes[i]); free(offer->mimes); } memset(offer, 0, sizeof(_GLFWWaylandDataOffer)); } static void prune_unclaimed_data_offers(void) { for (size_t i = 0; i < arraysz(_glfw.wl.dataOffers); i++) { if (_glfw.wl.dataOffers[i].id && !_glfw.wl.dataOffers[i].offer_type) { destroy_data_offer(&_glfw.wl.dataOffers[i]); } } } static void mark_selection_offer(void *data UNUSED, struct wl_data_device *data_device UNUSED, 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 UNUSED, struct zwp_primary_selection_device_v1* primary_selection_device UNUSED, struct zwp_primary_selection_offer_v1 *primary_selection_offer) { for (size_t i = 0; i < arraysz(_glfw.wl.dataOffers); i++) { if (_glfw.wl.dataOffers[i].id == primary_selection_offer) { _glfw.wl.dataOffers[i].offer_type = PRIMARY_SELECTION; } else if (_glfw.wl.dataOffers[i].offer_type == PRIMARY_SELECTION) { _glfw.wl.dataOffers[i].offer_type = EXPIRED; // previous selection offer } } prune_unclaimed_data_offers(); } static void set_offer_mimetype(_GLFWWaylandDataOffer* offer, const char* mime) { if (strcmp(mime, "text/plain;charset=utf-8") == 0) { offer->plain_text_mime = "text/plain;charset=utf-8"; } else if (!offer->plain_text_mime && strcmp(mime, "text/plain")) { offer->plain_text_mime = "text/plain"; } if (strcmp(mime, clipboard_mime()) == 0) { offer->is_self_offer = true; } if (!offer->mimes || offer->mimes_count >= offer->mimes_capacity - 1) { offer->mimes = realloc(offer->mimes, sizeof(char*) * (offer->mimes_capacity + 64)); if (offer->mimes) offer->mimes_capacity += 64; else return; } offer->mimes[offer->mimes_count++] = _glfw_strdup(mime); } static void handle_offer_mimetype(void *data UNUSED, 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 UNUSED, struct zwp_primary_selection_offer_v1* 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((_GLFWWaylandDataOffer*)&_glfw.wl.dataOffers[i], mime); break; } } } static void data_offer_source_actions(void *data UNUSED, 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 UNUSED, 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 size_t handle_data_offer_generic(void *id, bool is_primary) { 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) { pos = i; goto end; } } if (_glfw.wl.dataOffers[pos].id) destroy_data_offer(&_glfw.wl.dataOffers[pos]); end: _glfw.wl.dataOffers[pos].id = id; _glfw.wl.dataOffers[pos].is_primary = is_primary; _glfw.wl.dataOffers[pos].idx = ++_glfw.wl.dataOffersCounter; return pos; } static void handle_data_offer(void *data UNUSED, struct wl_data_device *wl_data_device UNUSED, struct wl_data_offer *id) { handle_data_offer_generic(id, false); wl_data_offer_add_listener(id, &data_offer_listener, NULL); } static void handle_primary_selection_offer(void *data UNUSED, struct zwp_primary_selection_device_v1 *zwp_primary_selection_device_v1 UNUSED, struct zwp_primary_selection_offer_v1 *id) { handle_data_offer_generic(id, true); zwp_primary_selection_offer_v1_add_listener(id, &primary_selection_offer_listener, NULL); } static void drag_enter(void *data UNUSED, struct wl_data_device *wl_data_device UNUSED, uint32_t serial, struct wl_surface *surface, wl_fixed_t x UNUSED, wl_fixed_t y UNUSED, struct wl_data_offer *id) { for (size_t i = 0; i < arraysz(_glfw.wl.dataOffers); i++) { _GLFWWaylandDataOffer *d = _glfw.wl.dataOffers + i; if (d->id == id) { d->offer_type = DRAG_AND_DROP; d->surface = surface; _GLFWwindow* window = _glfw.windowListHead; int format_priority = 0; while (window) { if (window->wl.surface == surface) { for (size_t x = 0; x < d->mimes_count; x++) { int prio = _glfwInputDrop(window, d->mimes[x], NULL, 0); if (prio > format_priority) d->mime_for_drop = d->mimes[x]; } break; } window = window->next; } wl_data_offer_accept(id, serial, d->mime_for_drop); } 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 UNUSED, struct wl_data_device *wl_data_device UNUSED) { for (size_t i = 0; i < arraysz(_glfw.wl.dataOffers); i++) { if (_glfw.wl.dataOffers[i].offer_type == DRAG_AND_DROP) { destroy_data_offer(&_glfw.wl.dataOffers[i]); } } } static void drop(void *data UNUSED, struct wl_data_device *wl_data_device UNUSED) { for (size_t i = 0; i < arraysz(_glfw.wl.dataOffers); i++) { if (_glfw.wl.dataOffers[i].offer_type == DRAG_AND_DROP && _glfw.wl.dataOffers[i].mime_for_drop) { size_t sz = 0; char *data = read_data_offer(_glfw.wl.dataOffers[i].id, _glfw.wl.dataOffers[i].mime_for_drop, &sz); if (data) { // We dont do finish as this requires version 3 for wl_data_device_manager // which then requires more work with calling set_actions for drag and drop to function // wl_data_offer_finish(_glfw.wl.dataOffers[i].id); _GLFWwindow* window = _glfw.windowListHead; while (window) { if (window->wl.surface == _glfw.wl.dataOffers[i].surface) { _glfwInputDrop(window, _glfw.wl.dataOffers[i].mime_for_drop, data, sz); break; } window = window->next; } free(data); } destroy_data_offer(&_glfw.wl.dataOffers[i]); break; } } } static void motion(void *data UNUSED, struct wl_data_device *wl_data_device UNUSED, uint32_t time UNUSED, wl_fixed_t x UNUSED, wl_fixed_t y UNUSED) { } static const 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, }; static const 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 bool _glfwEnsureDataDevice(void) { if (!_glfw.wl.dataDeviceManager) { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Cannot use clipboard, data device manager is not ready"); return false; } if (!_glfw.wl.dataDevice) { if (!_glfw.wl.seat) { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Cannot use clipboard, seat is not ready"); return false; } if (!_glfw.wl.dataDevice) { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Cannot use clipboard, failed to create data device"); return false; } } return 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); static const 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++) { _GLFWWaylandDataOffer *d = _glfw.wl.dataOffers + i; if (d->id && d->offer_type == CLIPBOARD && d->plain_text_mime) { if (d->is_self_offer) return _glfw.wl.clipboardString; free(_glfw.wl.pasteString); size_t sz = 0; _glfw.wl.pasteString = read_data_offer(d->id, d->plain_text_mime, &sz); return _glfw.wl.pasteString; } } return NULL; } void _glfwPlatformSetPrimarySelectionString(const char* string) { if (!_glfw.wl.primarySelectionDevice) { static bool warned_about_primary_selection_device = false; if (!warned_about_primary_selection_device) { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Cannot copy no primary selection device available"); warned_about_primary_selection_device = 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); static const 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.dataOffers); i++) { _GLFWWaylandDataOffer *d = _glfw.wl.dataOffers + i; if (d->id && d->is_primary && d->offer_type == PRIMARY_SELECTION && d->plain_text_mime) { if (d->is_self_offer) { return _glfw.wl.primarySelectionString; } free(_glfw.wl.pasteString); _glfw.wl.pasteString = read_primary_selection_offer(d->id, d->plain_text_mime); return _glfw.wl.pasteString; } } return NULL; } EGLenum _glfwPlatformGetEGLPlatform(EGLint** attribs UNUSED) { if (_glfw.egl.EXT_platform_base && _glfw.egl.EXT_platform_wayland) return EGL_PLATFORM_WAYLAND_EXT; else return 0; } EGLNativeDisplayType _glfwPlatformGetEGLNativeDisplay(void) { return _glfw.wl.display; } EGLNativeWindowType _glfwPlatformGetEGLNativeWindow(_GLFWwindow* window) { return window->wl.native; } void _glfwPlatformGetRequiredInstanceExtensions(char** extensions) { if (!_glfw.vk.KHR_surface || !_glfw.vk.KHR_wayland_surface) return; extensions[0] = "VK_KHR_surface"; extensions[1] = "VK_KHR_wayland_surface"; } int _glfwPlatformGetPhysicalDevicePresentationSupport(VkInstance instance, VkPhysicalDevice device, uint32_t queuefamily) { PFN_vkGetPhysicalDeviceWaylandPresentationSupportKHR vkGetPhysicalDeviceWaylandPresentationSupportKHR = (PFN_vkGetPhysicalDeviceWaylandPresentationSupportKHR) vkGetInstanceProcAddr(instance, "vkGetPhysicalDeviceWaylandPresentationSupportKHR"); if (!vkGetPhysicalDeviceWaylandPresentationSupportKHR) { _glfwInputError(GLFW_API_UNAVAILABLE, "Wayland: Vulkan instance missing VK_KHR_wayland_surface extension"); return VK_NULL_HANDLE; } return vkGetPhysicalDeviceWaylandPresentationSupportKHR(device, queuefamily, _glfw.wl.display); } VkResult _glfwPlatformCreateWindowSurface(VkInstance instance, _GLFWwindow* window, const VkAllocationCallbacks* allocator, VkSurfaceKHR* surface) { VkResult err; VkWaylandSurfaceCreateInfoKHR sci; PFN_vkCreateWaylandSurfaceKHR vkCreateWaylandSurfaceKHR; vkCreateWaylandSurfaceKHR = (PFN_vkCreateWaylandSurfaceKHR) vkGetInstanceProcAddr(instance, "vkCreateWaylandSurfaceKHR"); if (!vkCreateWaylandSurfaceKHR) { _glfwInputError(GLFW_API_UNAVAILABLE, "Wayland: Vulkan instance missing VK_KHR_wayland_surface extension"); return VK_ERROR_EXTENSION_NOT_PRESENT; } memset(&sci, 0, sizeof(sci)); sci.sType = VK_STRUCTURE_TYPE_WAYLAND_SURFACE_CREATE_INFO_KHR; sci.display = _glfw.wl.display; sci.surface = window->wl.surface; err = vkCreateWaylandSurfaceKHR(instance, &sci, allocator, surface); if (err) { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Failed to create Vulkan surface: %s", _glfwGetVulkanResultString(err)); } return err; } static void frame_handle_redraw(void *data, struct wl_callback *callback, uint32_t time UNUSED) { _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); } void _glfwPlatformChangeCursorTheme(void) { glfw_wlc_destroy(); _GLFWwindow *w = _glfw.windowListHead; while (w) { setCursorImage(w, true); w = w->next; } } ////////////////////////////////////////////////////////////////////////// ////// 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 glfwGetNativeKeyForName(const char* keyName, bool 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); }