//======================================================================== // 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 #include #include #include #include #include #include #include #include static inline int min(int n1, int n2) { return n1 < n2 ? n1 : n2; } static _GLFWwindow* findWindowFromDecorationSurface(struct wl_surface* surface, int* which) { int focus; _GLFWwindow* window = _glfw.windowListHead; if (!which) which = &focus; while (window) { if (surface == window->wl.decorations.top.surface) { *which = topDecoration; break; } if (surface == window->wl.decorations.left.surface) { *which = leftDecoration; break; } if (surface == window->wl.decorations.right.surface) { *which = rightDecoration; break; } if (surface == window->wl.decorations.bottom.surface) { *which = bottomDecoration; break; } window = window->next; } return window; } static void pointerHandleEnter(void* data, struct wl_pointer* pointer, uint32_t serial, struct wl_surface* surface, wl_fixed_t sx, wl_fixed_t sy) { // Happens in the case we just destroyed the surface. if (!surface) return; int focus = 0; _GLFWwindow* window = wl_surface_get_user_data(surface); if (!window) { window = findWindowFromDecorationSurface(surface, &focus); if (!window) return; } window->wl.decorations.focus = focus; _glfw.wl.pointerSerial = serial; _glfw.wl.pointerFocus = window; window->wl.hovered = GLFW_TRUE; _glfwPlatformSetCursor(window, window->wl.currentCursor); _glfwInputCursorEnter(window, GLFW_TRUE); } static void pointerHandleLeave(void* data, struct wl_pointer* pointer, uint32_t serial, struct wl_surface* surface) { _GLFWwindow* window = _glfw.wl.pointerFocus; if (!window) return; window->wl.hovered = GLFW_FALSE; _glfw.wl.pointerSerial = serial; _glfw.wl.pointerFocus = NULL; _glfwInputCursorEnter(window, GLFW_FALSE); } static void setCursor(const char* name) { struct wl_buffer* buffer; struct wl_cursor* cursor; struct wl_cursor_image* image; struct wl_surface* surface = _glfw.wl.cursorSurface; cursor = wl_cursor_theme_get_cursor(_glfw.wl.cursorTheme, name); if (!cursor) { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Standard cursor not found"); return; } image = cursor->images[0]; if (!image) return; buffer = wl_cursor_image_get_buffer(image); if (!buffer) return; wl_pointer_set_cursor(_glfw.wl.pointer, _glfw.wl.pointerSerial, surface, image->hotspot_x, image->hotspot_y); wl_surface_attach(surface, buffer, 0, 0); wl_surface_damage(surface, 0, 0, image->width, image->height); wl_surface_commit(surface); } static void pointerHandleMotion(void* data, struct wl_pointer* pointer, uint32_t time, wl_fixed_t sx, wl_fixed_t sy) { _GLFWwindow* window = _glfw.wl.pointerFocus; const char* cursorName = NULL; if (!window) return; if (window->cursorMode == GLFW_CURSOR_DISABLED) return; else { window->wl.cursorPosX = wl_fixed_to_double(sx); window->wl.cursorPosY = wl_fixed_to_double(sy); } switch (window->wl.decorations.focus) { case mainWindow: _glfwInputCursorPos(window, wl_fixed_to_double(sx), wl_fixed_to_double(sy)); return; case topDecoration: if (window->wl.cursorPosY < _GLFW_DECORATION_WIDTH) cursorName = "n-resize"; else cursorName = "left_ptr"; break; case leftDecoration: if (window->wl.cursorPosY < _GLFW_DECORATION_WIDTH) cursorName = "nw-resize"; else cursorName = "w-resize"; break; case rightDecoration: if (window->wl.cursorPosY < _GLFW_DECORATION_WIDTH) cursorName = "ne-resize"; else cursorName = "e-resize"; break; case bottomDecoration: if (window->wl.cursorPosX < _GLFW_DECORATION_WIDTH) cursorName = "sw-resize"; else if (window->wl.cursorPosX > window->wl.width + _GLFW_DECORATION_WIDTH) cursorName = "se-resize"; else cursorName = "s-resize"; break; default: assert(0); } setCursor(cursorName); } static void pointerHandleButton(void* data, struct wl_pointer* pointer, uint32_t serial, uint32_t time, uint32_t button, uint32_t state) { _GLFWwindow* window = _glfw.wl.pointerFocus; int glfwButton; // Both xdg-shell and wl_shell use the same values. uint32_t edges = WL_SHELL_SURFACE_RESIZE_NONE; if (!window) return; if (button == BTN_LEFT) { switch (window->wl.decorations.focus) { case mainWindow: break; case topDecoration: if (window->wl.cursorPosY < _GLFW_DECORATION_WIDTH) edges = WL_SHELL_SURFACE_RESIZE_TOP; else { if (window->wl.xdg.toplevel) xdg_toplevel_move(window->wl.xdg.toplevel, _glfw.wl.seat, serial); else wl_shell_surface_move(window->wl.shellSurface, _glfw.wl.seat, serial); } break; case leftDecoration: if (window->wl.cursorPosY < _GLFW_DECORATION_WIDTH) edges = WL_SHELL_SURFACE_RESIZE_TOP_LEFT; else edges = WL_SHELL_SURFACE_RESIZE_LEFT; break; case rightDecoration: if (window->wl.cursorPosY < _GLFW_DECORATION_WIDTH) edges = WL_SHELL_SURFACE_RESIZE_TOP_RIGHT; else edges = WL_SHELL_SURFACE_RESIZE_RIGHT; break; case bottomDecoration: if (window->wl.cursorPosX < _GLFW_DECORATION_WIDTH) edges = WL_SHELL_SURFACE_RESIZE_BOTTOM_LEFT; else if (window->wl.cursorPosX > window->wl.width + _GLFW_DECORATION_WIDTH) edges = WL_SHELL_SURFACE_RESIZE_BOTTOM_RIGHT; else edges = WL_SHELL_SURFACE_RESIZE_BOTTOM; break; default: assert(0); } if (edges != WL_SHELL_SURFACE_RESIZE_NONE) { if (window->wl.xdg.toplevel) xdg_toplevel_resize(window->wl.xdg.toplevel, _glfw.wl.seat, serial, edges); else wl_shell_surface_resize(window->wl.shellSurface, _glfw.wl.seat, serial, edges); } } else if (button == BTN_RIGHT) { if (window->wl.decorations.focus != mainWindow && window->wl.xdg.toplevel) { xdg_toplevel_show_window_menu(window->wl.xdg.toplevel, _glfw.wl.seat, serial, window->wl.cursorPosX, window->wl.cursorPosY); return; } } // Don’t pass the button to the user if it was related to a decoration. if (window->wl.decorations.focus != mainWindow) return; _glfw.wl.pointerSerial = serial; /* Makes left, right and middle 0, 1 and 2. Overall order follows evdev * codes. */ glfwButton = button - BTN_LEFT; _glfwInputMouseClick(window, glfwButton, state == WL_POINTER_BUTTON_STATE_PRESSED ? GLFW_PRESS : GLFW_RELEASE, _glfw.wl.xkb.states.modifiers); } static void pointerHandleAxis(void* data, struct wl_pointer* pointer, uint32_t time, uint32_t axis, wl_fixed_t value) { _GLFWwindow* window = _glfw.wl.pointerFocus; double x = 0.0, y = 0.0; // Wayland scroll events are in pointer motion coordinate space (think two // finger scroll). The factor 10 is commonly used to convert to "scroll // step means 1.0. const double scrollFactor = 1.0 / 10.0; if (!window) return; assert(axis == WL_POINTER_AXIS_HORIZONTAL_SCROLL || axis == WL_POINTER_AXIS_VERTICAL_SCROLL); if (axis == WL_POINTER_AXIS_HORIZONTAL_SCROLL) x = wl_fixed_to_double(value) * scrollFactor; else if (axis == WL_POINTER_AXIS_VERTICAL_SCROLL) y = wl_fixed_to_double(value) * scrollFactor; _glfwInputScroll(window, x, y); } static const struct wl_pointer_listener pointerListener = { pointerHandleEnter, pointerHandleLeave, pointerHandleMotion, pointerHandleButton, pointerHandleAxis, }; static void keyboardHandleKeymap(void* data, struct wl_keyboard* keyboard, uint32_t format, int fd, uint32_t size) { char* mapStr; if (format != WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1) { close(fd); return; } mapStr = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0); if (mapStr == MAP_FAILED) { close(fd); return; } glfw_xkb_compile_keymap(&_glfw.wl.xkb, mapStr); munmap(mapStr, size); close(fd); } static void keyboardHandleEnter(void* data, struct wl_keyboard* keyboard, uint32_t serial, struct wl_surface* surface, struct wl_array* keys) { // Happens in the case we just destroyed the surface. if (!surface) return; _GLFWwindow* window = wl_surface_get_user_data(surface); if (!window) { window = findWindowFromDecorationSurface(surface, NULL); if (!window) return; } _glfw.wl.keyboardFocus = window; _glfwInputWindowFocus(window, GLFW_TRUE); } static void keyboardHandleLeave(void* data, struct wl_keyboard* keyboard, uint32_t serial, struct wl_surface* surface) { _GLFWwindow* window = _glfw.wl.keyboardFocus; if (!window) return; _glfw.wl.keyboardFocus = NULL; _glfwInputWindowFocus(window, GLFW_FALSE); } static void dispatchPendingKeyRepeats(id_type timer_id, void *data) { if (_glfw.wl.keyRepeatInfo.keyboardFocus != _glfw.wl.keyboardFocus || _glfw.wl.keyboardRepeatRate == 0) return; glfw_xkb_handle_key_event(_glfw.wl.keyRepeatInfo.keyboardFocus, &_glfw.wl.xkb, _glfw.wl.keyRepeatInfo.key, GLFW_REPEAT); changeTimerInterval(&_glfw.wl.eventLoopData, _glfw.wl.keyRepeatInfo.keyRepeatTimer, ((double)_glfw.wl.keyboardRepeatRate) / 1000.0); toggleTimer(&_glfw.wl.eventLoopData, _glfw.wl.keyRepeatInfo.keyRepeatTimer, 1); } static void keyboardHandleKey(void* data, struct wl_keyboard* keyboard, uint32_t serial, uint32_t time, uint32_t key, uint32_t state) { _GLFWwindow* window = _glfw.wl.keyboardFocus; if (!window) return; int action = state == WL_KEYBOARD_KEY_STATE_PRESSED ? GLFW_PRESS : GLFW_RELEASE; glfw_xkb_handle_key_event(window, &_glfw.wl.xkb, key, action); GLFWbool repeatable = GLFW_FALSE; if (action == GLFW_PRESS && _glfw.wl.keyboardRepeatRate > 0 && glfw_xkb_should_repeat(&_glfw.wl.xkb, key)) { _glfw.wl.keyRepeatInfo.key = key; repeatable = GLFW_TRUE; _glfw.wl.keyRepeatInfo.keyboardFocus = window; } if (repeatable) { changeTimerInterval(&_glfw.wl.eventLoopData, _glfw.wl.keyRepeatInfo.keyRepeatTimer, (double)(_glfw.wl.keyboardRepeatDelay) / 1000.0); } toggleTimer(&_glfw.wl.eventLoopData, _glfw.wl.keyRepeatInfo.keyRepeatTimer, repeatable ? 1 : 0); } static void keyboardHandleModifiers(void* data, struct wl_keyboard* keyboard, uint32_t serial, uint32_t modsDepressed, uint32_t modsLatched, uint32_t modsLocked, uint32_t group) { glfw_xkb_update_modifiers(&_glfw.wl.xkb, modsDepressed, modsLatched, modsLocked, 0, 0, group); } static void keyboardHandleRepeatInfo(void* data, struct wl_keyboard* keyboard, int32_t rate, int32_t delay) { if (keyboard != _glfw.wl.keyboard) return; _glfw.wl.keyboardRepeatRate = rate; _glfw.wl.keyboardRepeatDelay = delay; } static const struct wl_keyboard_listener keyboardListener = { keyboardHandleKeymap, keyboardHandleEnter, keyboardHandleLeave, keyboardHandleKey, keyboardHandleModifiers, keyboardHandleRepeatInfo, }; static void seatHandleCapabilities(void* data, struct wl_seat* seat, enum wl_seat_capability caps) { if ((caps & WL_SEAT_CAPABILITY_POINTER) && !_glfw.wl.pointer) { _glfw.wl.pointer = wl_seat_get_pointer(seat); wl_pointer_add_listener(_glfw.wl.pointer, &pointerListener, NULL); } else if (!(caps & WL_SEAT_CAPABILITY_POINTER) && _glfw.wl.pointer) { wl_pointer_destroy(_glfw.wl.pointer); _glfw.wl.pointer = NULL; } if ((caps & WL_SEAT_CAPABILITY_KEYBOARD) && !_glfw.wl.keyboard) { _glfw.wl.keyboard = wl_seat_get_keyboard(seat); wl_keyboard_add_listener(_glfw.wl.keyboard, &keyboardListener, NULL); } else if (!(caps & WL_SEAT_CAPABILITY_KEYBOARD) && _glfw.wl.keyboard) { wl_keyboard_destroy(_glfw.wl.keyboard); _glfw.wl.keyboard = NULL; } } static void seatHandleName(void* data, struct wl_seat* seat, const char* name) { } static const struct wl_seat_listener seatListener = { seatHandleCapabilities, seatHandleName, }; static void wmBaseHandlePing(void* data, struct xdg_wm_base* wmBase, uint32_t serial) { xdg_wm_base_pong(wmBase, serial); } static const struct xdg_wm_base_listener wmBaseListener = { wmBaseHandlePing }; static void registryHandleGlobal(void* data, struct wl_registry* registry, uint32_t name, const char* interface, uint32_t version) { if (strcmp(interface, "wl_compositor") == 0) { _glfw.wl.compositorVersion = min(3, version); _glfw.wl.compositor = wl_registry_bind(registry, name, &wl_compositor_interface, _glfw.wl.compositorVersion); } else if (strcmp(interface, "wl_subcompositor") == 0) { _glfw.wl.subcompositor = wl_registry_bind(registry, name, &wl_subcompositor_interface, 1); } else if (strcmp(interface, "wl_shm") == 0) { _glfw.wl.shm = wl_registry_bind(registry, name, &wl_shm_interface, 1); } else if (strcmp(interface, "wl_shell") == 0) { _glfw.wl.shell = wl_registry_bind(registry, name, &wl_shell_interface, 1); } else if (strcmp(interface, "wl_output") == 0) { _glfwAddOutputWayland(name, version); } else if (strcmp(interface, "wl_seat") == 0) { if (!_glfw.wl.seat) { _glfw.wl.seatVersion = min(4, version); _glfw.wl.seat = wl_registry_bind(registry, name, &wl_seat_interface, _glfw.wl.seatVersion); wl_seat_add_listener(_glfw.wl.seat, &seatListener, NULL); } } else if (strcmp(interface, "xdg_wm_base") == 0) { _glfw.wl.wmBase = wl_registry_bind(registry, name, &xdg_wm_base_interface, 1); xdg_wm_base_add_listener(_glfw.wl.wmBase, &wmBaseListener, NULL); } else if (strcmp(interface, "wp_viewporter") == 0) { _glfw.wl.viewporter = wl_registry_bind(registry, name, &wp_viewporter_interface, 1); } else if (strcmp(interface, "zwp_relative_pointer_manager_v1") == 0) { _glfw.wl.relativePointerManager = wl_registry_bind(registry, name, &zwp_relative_pointer_manager_v1_interface, 1); } else if (strcmp(interface, "zwp_pointer_constraints_v1") == 0) { _glfw.wl.pointerConstraints = wl_registry_bind(registry, name, &zwp_pointer_constraints_v1_interface, 1); } else if (strcmp(interface, "zwp_idle_inhibit_manager_v1") == 0) { _glfw.wl.idleInhibitManager = wl_registry_bind(registry, name, &zwp_idle_inhibit_manager_v1_interface, 1); } } static void registryHandleGlobalRemove(void *data, struct wl_registry *registry, uint32_t name) { int i; _GLFWmonitor* monitor; for (i = 0; i < _glfw.monitorCount; ++i) { monitor = _glfw.monitors[i]; if (monitor->wl.name == name) { _glfwInputMonitor(monitor, GLFW_DISCONNECTED, 0); return; } } } static const struct wl_registry_listener registryListener = { registryHandleGlobal, registryHandleGlobalRemove }; ////////////////////////////////////////////////////////////////////////// ////// GLFW platform API ////// ////////////////////////////////////////////////////////////////////////// int _glfwPlatformInit(void) { if (pipe2(_glfw.wl.eventLoopData.wakeupFds, O_CLOEXEC | O_NONBLOCK) != 0) { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: failed to create self pipe"); return GLFW_FALSE; } _glfw.wl.cursor.handle = _glfw_dlopen("libwayland-cursor.so.0"); if (!_glfw.wl.cursor.handle) { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Failed to open libwayland-cursor"); return GLFW_FALSE; } _glfw.wl.cursor.theme_load = (PFN_wl_cursor_theme_load) _glfw_dlsym(_glfw.wl.cursor.handle, "wl_cursor_theme_load"); _glfw.wl.cursor.theme_destroy = (PFN_wl_cursor_theme_destroy) _glfw_dlsym(_glfw.wl.cursor.handle, "wl_cursor_theme_destroy"); _glfw.wl.cursor.theme_get_cursor = (PFN_wl_cursor_theme_get_cursor) _glfw_dlsym(_glfw.wl.cursor.handle, "wl_cursor_theme_get_cursor"); _glfw.wl.cursor.image_get_buffer = (PFN_wl_cursor_image_get_buffer) _glfw_dlsym(_glfw.wl.cursor.handle, "wl_cursor_image_get_buffer"); _glfw.wl.egl.handle = _glfw_dlopen("libwayland-egl.so.1"); if (!_glfw.wl.egl.handle) { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Failed to open libwayland-egl"); return GLFW_FALSE; } _glfw.wl.egl.window_create = (PFN_wl_egl_window_create) _glfw_dlsym(_glfw.wl.egl.handle, "wl_egl_window_create"); _glfw.wl.egl.window_destroy = (PFN_wl_egl_window_destroy) _glfw_dlsym(_glfw.wl.egl.handle, "wl_egl_window_destroy"); _glfw.wl.egl.window_resize = (PFN_wl_egl_window_resize) _glfw_dlsym(_glfw.wl.egl.handle, "wl_egl_window_resize"); _glfw.wl.display = wl_display_connect(NULL); if (!_glfw.wl.display) { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Failed to connect to display"); return GLFW_FALSE; } initPollData(&_glfw.wl.eventLoopData, _glfw.wl.eventLoopData.wakeupFds[0], wl_display_get_fd(_glfw.wl.display)); glfw_dbus_init(&_glfw.wl.dbus, &_glfw.wl.eventLoopData); _glfw.wl.keyRepeatInfo.keyRepeatTimer = addTimer(&_glfw.wl.eventLoopData, "wayland-keyrepeat", 0.5, 0, dispatchPendingKeyRepeats, NULL); _glfw.wl.registry = wl_display_get_registry(_glfw.wl.display); wl_registry_add_listener(_glfw.wl.registry, ®istryListener, NULL); if (!glfw_xkb_create_context(&_glfw.wl.xkb)) return GLFW_FALSE; // Sync so we got all registry objects wl_display_roundtrip(_glfw.wl.display); // Sync so we got all initial output events wl_display_roundtrip(_glfw.wl.display); #ifdef __linux__ if (!_glfwInitJoysticksLinux()) return GLFW_FALSE; #endif _glfwInitTimerPOSIX(); if (_glfw.wl.pointer && _glfw.wl.shm) { _glfw.wl.cursorTheme = wl_cursor_theme_load(NULL, 32, _glfw.wl.shm); if (!_glfw.wl.cursorTheme) { _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Unable to load default cursor theme"); return GLFW_FALSE; } _glfw.wl.cursorSurface = wl_compositor_create_surface(_glfw.wl.compositor); } return GLFW_TRUE; } void _glfwPlatformTerminate(void) { #ifdef __linux__ _glfwTerminateJoysticksLinux(); #endif _glfwTerminateEGL(); if (_glfw.wl.egl.handle) { _glfw_dlclose(_glfw.wl.egl.handle); _glfw.wl.egl.handle = NULL; } glfw_xkb_release(&_glfw.wl.xkb); glfw_dbus_terminate(&_glfw.wl.dbus); if (_glfw.wl.cursorTheme) wl_cursor_theme_destroy(_glfw.wl.cursorTheme); if (_glfw.wl.cursor.handle) { _glfw_dlclose(_glfw.wl.cursor.handle); _glfw.wl.cursor.handle = NULL; } if (_glfw.wl.cursorSurface) wl_surface_destroy(_glfw.wl.cursorSurface); if (_glfw.wl.subcompositor) wl_subcompositor_destroy(_glfw.wl.subcompositor); if (_glfw.wl.compositor) wl_compositor_destroy(_glfw.wl.compositor); if (_glfw.wl.shm) wl_shm_destroy(_glfw.wl.shm); if (_glfw.wl.shell) wl_shell_destroy(_glfw.wl.shell); if (_glfw.wl.viewporter) wp_viewporter_destroy(_glfw.wl.viewporter); if (_glfw.wl.wmBase) xdg_wm_base_destroy(_glfw.wl.wmBase); if (_glfw.wl.pointer) wl_pointer_destroy(_glfw.wl.pointer); if (_glfw.wl.keyboard) wl_keyboard_destroy(_glfw.wl.keyboard); if (_glfw.wl.seat) wl_seat_destroy(_glfw.wl.seat); if (_glfw.wl.relativePointerManager) zwp_relative_pointer_manager_v1_destroy(_glfw.wl.relativePointerManager); if (_glfw.wl.pointerConstraints) zwp_pointer_constraints_v1_destroy(_glfw.wl.pointerConstraints); if (_glfw.wl.idleInhibitManager) zwp_idle_inhibit_manager_v1_destroy(_glfw.wl.idleInhibitManager); if (_glfw.wl.registry) wl_registry_destroy(_glfw.wl.registry); if (_glfw.wl.display) { wl_display_flush(_glfw.wl.display); wl_display_disconnect(_glfw.wl.display); } closeFds(_glfw.wl.eventLoopData.wakeupFds, sizeof(_glfw.wl.eventLoopData.wakeupFds)/sizeof(_glfw.wl.eventLoopData.wakeupFds[0])); } const char* _glfwPlatformGetVersionString(void) { return _GLFW_VERSION_NUMBER " Wayland EGL" #if defined(_POSIX_TIMERS) && defined(_POSIX_MONOTONIC_CLOCK) " clock_gettime" #else " gettimeofday" #endif " evdev" #if defined(_GLFW_BUILD_DLL) " shared" #endif ; }