| //======================================================================== |
| // GLFW 3.3 Wayland - www.glfw.org |
| //------------------------------------------------------------------------ |
| // Copyright (c) 2014 Jonas Ådahl <jadahl@gmail.com> |
| // |
| // This software is provided 'as-is', without any express or implied |
| // warranty. In no event will the authors be held liable for any damages |
| // arising from the use of this software. |
| // |
| // Permission is granted to anyone to use this software for any purpose, |
| // including commercial applications, and to alter it and redistribute it |
| // freely, subject to the following restrictions: |
| // |
| // 1. The origin of this software must not be misrepresented; you must not |
| // claim that you wrote the original software. If you use this software |
| // in a product, an acknowledgment in the product documentation would |
| // be appreciated but is not required. |
| // |
| // 2. Altered source versions must be plainly marked as such, and must not |
| // be misrepresented as being the original software. |
| // |
| // 3. This notice may not be removed or altered from any source |
| // distribution. |
| // |
| //======================================================================== |
| |
| #define _GNU_SOURCE |
| |
| #include "internal.h" |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <errno.h> |
| #include <unistd.h> |
| #include <string.h> |
| #include <fcntl.h> |
| #include <sys/mman.h> |
| #include <sys/timerfd.h> |
| #include <poll.h> |
| |
| |
| static void shellSurfaceHandlePing(void* data, |
| struct wl_shell_surface* shellSurface, |
| uint32_t serial) |
| { |
| wl_shell_surface_pong(shellSurface, serial); |
| } |
| |
| static void shellSurfaceHandleConfigure(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; |
| } |
| |
| _glfwInputWindowSize(window, width, height); |
| _glfwPlatformSetWindowSize(window, width, height); |
| _glfwInputWindowDamage(window); |
| } |
| |
| static void shellSurfaceHandlePopupDone(void* data, |
| struct wl_shell_surface* shellSurface) |
| { |
| } |
| |
| static const struct wl_shell_surface_listener shellSurfaceListener = { |
| shellSurfaceHandlePing, |
| shellSurfaceHandleConfigure, |
| shellSurfaceHandlePopupDone |
| }; |
| |
| static int createTmpfileCloexec(char* tmpname) |
| { |
| int fd; |
| |
| fd = mkostemp(tmpname, O_CLOEXEC); |
| if (fd >= 0) |
| unlink(tmpname); |
| |
| return fd; |
| } |
| |
| /* |
| * Create a new, unique, anonymous file of the given size, and |
| * return the file descriptor for it. The file descriptor is set |
| * CLOEXEC. The file is immediately suitable for mmap()'ing |
| * the given size at offset zero. |
| * |
| * The file should not have a permanent backing store like a disk, |
| * but may have if XDG_RUNTIME_DIR is not properly implemented in OS. |
| * |
| * The file name is deleted from the file system. |
| * |
| * The file is suitable for buffer sharing between processes by |
| * transmitting the file descriptor over Unix sockets using the |
| * SCM_RIGHTS methods. |
| * |
| * posix_fallocate() is used to guarantee that disk space is available |
| * for the file at the given size. If disk space is 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) |
| { |
| static const char template[] = "/glfw-shared-XXXXXX"; |
| const char* path; |
| char* name; |
| int fd; |
| int ret; |
| |
| #ifdef HAVE_MEMFD_CREATE |
| fd = memfd_create("glfw-shared", MFD_CLOEXEC | MFD_ALLOW_SEALING); |
| if (fd >= 0) |
| { |
| // We can add this seal before calling posix_fallocate(), as the file |
| // is currently zero-sized anyway. |
| // |
| // There is also no need to check for the return value, we couldn’t do |
| // anything with it anyway. |
| fcntl(fd, F_ADD_SEALS, F_SEAL_SHRINK | F_SEAL_SEAL); |
| } |
| else |
| #elif defined(SHM_ANON) |
| fd = shm_open(SHM_ANON, O_RDWR | O_CLOEXEC, 0600); |
| if (fd < 0) |
| #endif |
| { |
| path = getenv("XDG_RUNTIME_DIR"); |
| if (!path) |
| { |
| errno = ENOENT; |
| return -1; |
| } |
| |
| name = calloc(strlen(path) + sizeof(template), 1); |
| strcpy(name, path); |
| strcat(name, template); |
| |
| fd = createTmpfileCloexec(name); |
| free(name); |
| if (fd < 0) |
| return -1; |
| } |
| |
| #if defined(SHM_ANON) |
| // posix_fallocate does not work on SHM descriptors |
| ret = ftruncate(fd, size); |
| #else |
| ret = posix_fallocate(fd, 0, size); |
| #endif |
| if (ret != 0) |
| { |
| close(fd); |
| errno = ret; |
| return -1; |
| } |
| return fd; |
| } |
| |
| static struct wl_buffer* createShmBuffer(const GLFWimage* image) |
| { |
| struct wl_shm_pool* pool; |
| struct wl_buffer* buffer; |
| int stride = image->width * 4; |
| int length = image->width * image->height * 4; |
| void* data; |
| int fd, i; |
| |
| fd = createAnonymousFile(length); |
| if (fd < 0) |
| { |
| _glfwInputError(GLFW_PLATFORM_ERROR, |
| "Wayland: Creating a buffer file for %d B failed: %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, |
| }; |
| |
| // Makes the surface considered as XRGB instead of ARGB. |
| static void setOpaqueRegion(_GLFWwindow* window) |
| { |
| struct wl_region* region; |
| |
| region = wl_compositor_create_region(_glfw.wl.compositor); |
| if (!region) |
| return; |
| |
| wl_region_add(region, 0, 0, window->wl.width, window->wl.height); |
| wl_surface_set_opaque_region(window->wl.surface, region); |
| wl_surface_commit(window->wl.surface); |
| wl_region_destroy(region); |
| } |
| |
| |
| static void resizeWindow(_GLFWwindow* window) |
| { |
| int scale = window->wl.scale; |
| int scaledWidth = window->wl.width * scale; |
| int scaledHeight = window->wl.height * scale; |
| wl_egl_window_resize(window->wl.native, scaledWidth, scaledHeight, 0, 0); |
| if (!window->wl.transparent) |
| setOpaqueRegion(window); |
| _glfwInputFramebufferSize(window, scaledWidth, scaledHeight); |
| _glfwInputWindowContentScale(window, scale, scale); |
| |
| if (!window->wl.decorations.top.surface) |
| return; |
| |
| // Top decoration. |
| wp_viewport_set_destination(window->wl.decorations.top.viewport, |
| window->wl.width, _GLFW_DECORATION_TOP); |
| wl_surface_commit(window->wl.decorations.top.surface); |
| |
| // Left decoration. |
| wp_viewport_set_destination(window->wl.decorations.left.viewport, |
| _GLFW_DECORATION_WIDTH, window->wl.height + _GLFW_DECORATION_TOP); |
| wl_surface_commit(window->wl.decorations.left.surface); |
| |
| // Right decoration. |
| wl_subsurface_set_position(window->wl.decorations.right.subsurface, |
| window->wl.width, -_GLFW_DECORATION_TOP); |
| wp_viewport_set_destination(window->wl.decorations.right.viewport, |
| _GLFW_DECORATION_WIDTH, window->wl.height + _GLFW_DECORATION_TOP); |
| wl_surface_commit(window->wl.decorations.right.surface); |
| |
| // Bottom decoration. |
| wl_subsurface_set_position(window->wl.decorations.bottom.subsurface, |
| -_GLFW_DECORATION_WIDTH, window->wl.height); |
| wp_viewport_set_destination(window->wl.decorations.bottom.viewport, |
| window->wl.width + _GLFW_DECORATION_HORIZONTAL, _GLFW_DECORATION_WIDTH); |
| wl_surface_commit(window->wl.decorations.bottom.surface); |
| } |
| |
| static void checkScaleChange(_GLFWwindow* window) |
| { |
| int scale = 1; |
| int i; |
| int monitorScale; |
| |
| // Check if we will be able to set the buffer scale or not. |
| if (_glfw.wl.compositorVersion < 3) |
| return; |
| |
| // Get the scale factor from the highest scale monitor. |
| for (i = 0; i < window->wl.monitorsCount; ++i) |
| { |
| monitorScale = window->wl.monitors[i]->wl.scale; |
| if (scale < monitorScale) |
| scale = monitorScale; |
| } |
| |
| // Only change the framebuffer size if the scale changed. |
| if (scale != window->wl.scale) |
| { |
| window->wl.scale = scale; |
| wl_surface_set_buffer_scale(window->wl.surface, scale); |
| resizeWindow(window); |
| } |
| } |
| |
| static void surfaceHandleEnter(void *data, |
| struct wl_surface *surface, |
| struct wl_output *output) |
| { |
| _GLFWwindow* window = data; |
| _GLFWmonitor* monitor = wl_output_get_user_data(output); |
| |
| if (window->wl.monitorsCount + 1 > window->wl.monitorsSize) |
| { |
| ++window->wl.monitorsSize; |
| window->wl.monitors = |
| realloc(window->wl.monitors, |
| window->wl.monitorsSize * sizeof(_GLFWmonitor*)); |
| } |
| |
| window->wl.monitors[window->wl.monitorsCount++] = monitor; |
| |
| checkScaleChange(window); |
| } |
| |
| static void surfaceHandleLeave(void *data, |
| struct wl_surface *surface, |
| struct wl_output *output) |
| { |
| _GLFWwindow* window = data; |
| _GLFWmonitor* monitor = wl_output_get_user_data(output); |
| GLFWbool found; |
| int i; |
| |
| for (i = 0, found = GLFW_FALSE; i < window->wl.monitorsCount - 1; ++i) |
| { |
| if (monitor == window->wl.monitors[i]) |
| found = GLFW_TRUE; |
| if (found) |
| window->wl.monitors[i] = window->wl.monitors[i + 1]; |
| } |
| window->wl.monitors[--window->wl.monitorsCount] = NULL; |
| |
| checkScaleChange(window); |
| } |
| |
| static const struct wl_surface_listener surfaceListener = { |
| surfaceHandleEnter, |
| surfaceHandleLeave |
| }; |
| |
| static void setIdleInhibitor(_GLFWwindow* window, GLFWbool enable) |
| { |
| if (enable && !window->wl.idleInhibitor && _glfw.wl.idleInhibitManager) |
| { |
| window->wl.idleInhibitor = |
| zwp_idle_inhibit_manager_v1_create_inhibitor( |
| _glfw.wl.idleInhibitManager, window->wl.surface); |
| if (!window->wl.idleInhibitor) |
| _glfwInputError(GLFW_PLATFORM_ERROR, |
| "Wayland: Idle inhibitor creation failed"); |
| } |
| else if (!enable && window->wl.idleInhibitor) |
| { |
| zwp_idle_inhibitor_v1_destroy(window->wl.idleInhibitor); |
| window->wl.idleInhibitor = NULL; |
| } |
| } |
| |
| static GLFWbool createSurface(_GLFWwindow* window, |
| const _GLFWwndconfig* wndconfig) |
| { |
| window->wl.surface = wl_compositor_create_surface(_glfw.wl.compositor); |
| if (!window->wl.surface) |
| return GLFW_FALSE; |
| |
| wl_surface_add_listener(window->wl.surface, |
| &surfaceListener, |
| window); |
| |
| wl_surface_set_user_data(window->wl.surface, window); |
| |
| window->wl.native = wl_egl_window_create(window->wl.surface, |
| wndconfig->width, |
| wndconfig->height); |
| if (!window->wl.native) |
| return GLFW_FALSE; |
| |
| window->wl.width = wndconfig->width; |
| window->wl.height = wndconfig->height; |
| window->wl.scale = 1; |
| |
| if (!window->wl.transparent) |
| setOpaqueRegion(window); |
| |
| return GLFW_TRUE; |
| } |
| |
| static void setFullscreen(_GLFWwindow* window, _GLFWmonitor* monitor, |
| int refreshRate) |
| { |
| if (window->wl.xdg.toplevel) |
| { |
| xdg_toplevel_set_fullscreen( |
| window->wl.xdg.toplevel, |
| monitor->wl.output); |
| } |
| 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; |
| } |
| } |
| |
| _glfwInputWindowSize(window, width, height); |
| _glfwPlatformSetWindowSize(window, width, height); |
| _glfwInputWindowDamage(window); |
| } |
| |
| if (window->wl.wasFullscreen && window->autoIconify) |
| { |
| if (!activated || !fullscreen) |
| { |
| _glfwPlatformIconifyWindow(window); |
| window->wl.wasFullscreen = GLFW_FALSE; |
| } |
| } |
| if (fullscreen && activated) |
| window->wl.wasFullscreen = GLFW_TRUE; |
| _glfwInputWindowFocus(window, activated); |
| } |
| |
| static void xdgToplevelHandleClose(void* data, |
| struct xdg_toplevel* toplevel) |
| { |
| _GLFWwindow* window = data; |
| _glfwInputWindowCloseRequest(window); |
| } |
| |
| static const struct xdg_toplevel_listener xdgToplevelListener = { |
| xdgToplevelHandleConfigure, |
| xdgToplevelHandleClose |
| }; |
| |
| static void xdgSurfaceHandleConfigure(void* data, |
| struct xdg_surface* surface, |
| uint32_t serial) |
| { |
| xdg_surface_ack_configure(surface, serial); |
| } |
| |
| static const struct xdg_surface_listener xdgSurfaceListener = { |
| xdgSurfaceHandleConfigure |
| }; |
| |
| static void setXdgDecorations(_GLFWwindow* window) |
| { |
| if (_glfw.wl.decorationManager) |
| { |
| window->wl.xdg.decoration = |
| zxdg_decoration_manager_v1_get_toplevel_decoration( |
| _glfw.wl.decorationManager, window->wl.xdg.toplevel); |
| zxdg_toplevel_decoration_v1_add_listener(window->wl.xdg.decoration, |
| &xdgDecorationListener, |
| window); |
| zxdg_toplevel_decoration_v1_set_mode( |
| window->wl.xdg.decoration, |
| ZXDG_TOPLEVEL_DECORATION_V1_MODE_SERVER_SIDE); |
| } |
| else |
| { |
| window->wl.decorations.serverSide = GLFW_FALSE; |
| createDecorations(window); |
| } |
| } |
| |
| static GLFWbool createXdgSurface(_GLFWwindow* window) |
| { |
| window->wl.xdg.surface = xdg_wm_base_get_xdg_surface(_glfw.wl.wmBase, |
| window->wl.surface); |
| if (!window->wl.xdg.surface) |
| { |
| _glfwInputError(GLFW_PLATFORM_ERROR, |
| "Wayland: xdg-surface creation failed"); |
| return GLFW_FALSE; |
| } |
| |
| xdg_surface_add_listener(window->wl.xdg.surface, |
| &xdgSurfaceListener, |
| window); |
| |
| window->wl.xdg.toplevel = xdg_surface_get_toplevel(window->wl.xdg.surface); |
| if (!window->wl.xdg.toplevel) |
| { |
| _glfwInputError(GLFW_PLATFORM_ERROR, |
| "Wayland: xdg-toplevel creation failed"); |
| return GLFW_FALSE; |
| } |
| |
| xdg_toplevel_add_listener(window->wl.xdg.toplevel, |
| &xdgToplevelListener, |
| window); |
| |
| if (window->wl.title) |
| xdg_toplevel_set_title(window->wl.xdg.toplevel, window->wl.title); |
| |
| if (window->minwidth != GLFW_DONT_CARE && window->minheight != GLFW_DONT_CARE) |
| xdg_toplevel_set_min_size(window->wl.xdg.toplevel, |
| window->minwidth, window->minheight); |
| if (window->maxwidth != GLFW_DONT_CARE && window->maxheight != GLFW_DONT_CARE) |
| xdg_toplevel_set_max_size(window->wl.xdg.toplevel, |
| window->maxwidth, window->maxheight); |
| |
| if (window->monitor) |
| { |
| xdg_toplevel_set_fullscreen(window->wl.xdg.toplevel, |
| window->monitor->wl.output); |
| setIdleInhibitor(window, GLFW_TRUE); |
| } |
| else if (window->wl.maximized) |
| { |
| xdg_toplevel_set_maximized(window->wl.xdg.toplevel); |
| setIdleInhibitor(window, GLFW_FALSE); |
| setXdgDecorations(window); |
| } |
| else |
| { |
| setIdleInhibitor(window, GLFW_FALSE); |
| setXdgDecorations(window); |
| } |
| |
| wl_surface_commit(window->wl.surface); |
| wl_display_roundtrip(_glfw.wl.display); |
| |
| return GLFW_TRUE; |
| } |
| |
| static void setCursorImage(_GLFWwindow* window, |
| _GLFWcursorWayland* cursorWayland) |
| { |
| struct itimerspec timer = {}; |
| struct wl_cursor* wlCursor = cursorWayland->cursor; |
| struct wl_cursor_image* image; |
| struct wl_buffer* buffer; |
| struct wl_surface* surface = _glfw.wl.cursorSurface; |
| int scale = 1; |
| |
| if (!wlCursor) |
| buffer = cursorWayland->buffer; |
| else |
| { |
| if (window->wl.scale > 1 && cursorWayland->cursorHiDPI) |
| { |
| wlCursor = cursorWayland->cursorHiDPI; |
| scale = 2; |
| } |
| |
| image = wlCursor->images[cursorWayland->currentImage]; |
| buffer = wl_cursor_image_get_buffer(image); |
| if (!buffer) |
| return; |
| |
| timer.it_value.tv_sec = image->delay / 1000; |
| timer.it_value.tv_nsec = (image->delay % 1000) * 1000000; |
| timerfd_settime(_glfw.wl.cursorTimerfd, 0, &timer, NULL); |
| |
| cursorWayland->width = image->width; |
| cursorWayland->height = image->height; |
| cursorWayland->xhot = image->hotspot_x; |
| cursorWayland->yhot = image->hotspot_y; |
| } |
| |
| wl_pointer_set_cursor(_glfw.wl.pointer, _glfw.wl.serial, |
| surface, |
| cursorWayland->xhot / scale, |
| cursorWayland->yhot / scale); |
| wl_surface_set_buffer_scale(surface, scale); |
| wl_surface_attach(surface, buffer, 0, 0); |
| wl_surface_damage(surface, 0, 0, |
| cursorWayland->width, cursorWayland->height); |
| wl_surface_commit(surface); |
| } |
| |
| static void incrementCursorImage(_GLFWwindow* window) |
| { |
| _GLFWcursor* cursor; |
| |
| if (!window || window->wl.decorations.focus != mainWindow) |
| return; |
| |
| cursor = window->wl.currentCursor; |
| if (cursor && cursor->wl.cursor) |
| { |
| cursor->wl.currentImage += 1; |
| cursor->wl.currentImage %= cursor->wl.cursor->image_count; |
| setCursorImage(window, &cursor->wl); |
| } |
| } |
| |
| static void handleEvents(int timeout) |
| { |
| struct wl_display* display = _glfw.wl.display; |
| struct pollfd fds[] = { |
| { wl_display_get_fd(display), POLLIN }, |
| { _glfw.wl.timerfd, POLLIN }, |
| { _glfw.wl.cursorTimerfd, POLLIN }, |
| }; |
| ssize_t read_ret; |
| uint64_t repeats, i; |
| |
| while (wl_display_prepare_read(display) != 0) |
| wl_display_dispatch_pending(display); |
| |
| // If an error different from EAGAIN happens, we have likely been |
| // disconnected from the Wayland session, try to handle that the best we |
| // can. |
| if (wl_display_flush(display) < 0 && errno != EAGAIN) |
| { |
| _GLFWwindow* window = _glfw.windowListHead; |
| while (window) |
| { |
| _glfwInputWindowCloseRequest(window); |
| window = window->next; |
| } |
| wl_display_cancel_read(display); |
| return; |
| } |
| |
| if (poll(fds, 3, timeout) > 0) |
| { |
| if (fds[0].revents & POLLIN) |
| { |
| wl_display_read_events(display); |
| wl_display_dispatch_pending(display); |
| } |
| else |
| { |
| wl_display_cancel_read(display); |
| } |
| |
| if (fds[1].revents & POLLIN) |
| { |
| read_ret = read(_glfw.wl.timerfd, &repeats, sizeof(repeats)); |
| if (read_ret != 8) |
| return; |
| |
| for (i = 0; i < repeats; ++i) |
| _glfwInputKey(_glfw.wl.keyboardFocus, _glfw.wl.keyboardLastKey, |
| _glfw.wl.keyboardLastScancode, GLFW_REPEAT, |
| _glfw.wl.xkb.modifiers); |
| } |
| |
| if (fds[2].revents & POLLIN) |
| { |
| read_ret = read(_glfw.wl.cursorTimerfd, &repeats, sizeof(repeats)); |
| if (read_ret != 8) |
| return; |
| |
| incrementCursorImage(_glfw.wl.pointerFocus); |
| } |
| } |
| else |
| { |
| wl_display_cancel_read(display); |
| } |
| } |
| |
| // Translates a GLFW standard cursor to a theme cursor name |
| // |
| static char *translateCursorShape(int shape) |
| { |
| switch (shape) |
| { |
| case GLFW_ARROW_CURSOR: |
| return "left_ptr"; |
| case GLFW_IBEAM_CURSOR: |
| return "xterm"; |
| case GLFW_CROSSHAIR_CURSOR: |
| return "crosshair"; |
| case GLFW_HAND_CURSOR: |
| return "grabbing"; |
| case GLFW_HRESIZE_CURSOR: |
| return "sb_h_double_arrow"; |
| case GLFW_VRESIZE_CURSOR: |
| return "sb_v_double_arrow"; |
| } |
| return NULL; |
| } |
| |
| ////////////////////////////////////////////////////////////////////////// |
| ////// GLFW platform API ////// |
| ////////////////////////////////////////////////////////////////////////// |
| |
| int _glfwPlatformCreateWindow(_GLFWwindow* window, |
| const _GLFWwndconfig* wndconfig, |
| const _GLFWctxconfig* ctxconfig, |
| const _GLFWfbconfig* fbconfig) |
| { |
| window->wl.transparent = fbconfig->transparent; |
| |
| if (!createSurface(window, wndconfig)) |
| return GLFW_FALSE; |
| |
| if (ctxconfig->client != GLFW_NO_API) |
| { |
| if (ctxconfig->source == GLFW_EGL_CONTEXT_API || |
| ctxconfig->source == GLFW_NATIVE_CONTEXT_API) |
| { |
| if (!_glfwInitEGL()) |
| return GLFW_FALSE; |
| if (!_glfwCreateContextEGL(window, ctxconfig, fbconfig)) |
| return GLFW_FALSE; |
| } |
| else if (ctxconfig->source == GLFW_OSMESA_CONTEXT_API) |
| { |
| if (!_glfwInitOSMesa()) |
| return GLFW_FALSE; |
| if (!_glfwCreateContextOSMesa(window, ctxconfig, fbconfig)) |
| return GLFW_FALSE; |
| } |
| } |
| |
| if (wndconfig->title) |
| window->wl.title = _glfw_strdup(wndconfig->title); |
| |
| if (wndconfig->visible) |
| { |
| if (_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); |
| } |
| |
| 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) |
| { |
| window->wl.width = width; |
| window->wl.height = height; |
| resizeWindow(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; |
| } |
| |
| 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"); |
| } |
| |
| 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 _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 _glfwPlatformSetRawMouseMotion(_GLFWwindow *window, GLFWbool enabled) |
| { |
| // This is handled in relativePointerHandleRelativeMotion |
| } |
| |
| GLFWbool _glfwPlatformRawMouseMotionSupported(void) |
| { |
| return GLFW_TRUE; |
| } |
| |
| void _glfwPlatformPollEvents(void) |
| { |
| handleEvents(0); |
| } |
| |
| void _glfwPlatformWaitEvents(void) |
| { |
| handleEvents(-1); |
| } |
| |
| void _glfwPlatformWaitEventsTimeout(double timeout) |
| { |
| handleEvents((int) (timeout * 1e3)); |
| } |
| |
| void _glfwPlatformPostEmptyEvent(void) |
| { |
| wl_display_sync(_glfw.wl.display); |
| } |
| |
| void _glfwPlatformGetCursorPos(_GLFWwindow* window, double* xpos, double* ypos) |
| { |
| if (xpos) |
| *xpos = window->wl.cursorPosX; |
| if (ypos) |
| *ypos = window->wl.cursorPosY; |
| } |
| |
| static GLFWbool isPointerLocked(_GLFWwindow* window); |
| |
| void _glfwPlatformSetCursorPos(_GLFWwindow* window, double x, double y) |
| { |
| if (isPointerLocked(window)) |
| { |
| zwp_locked_pointer_v1_set_cursor_position_hint( |
| window->wl.pointerLock.lockedPointer, |
| wl_fixed_from_double(x), wl_fixed_from_double(y)); |
| wl_surface_commit(window->wl.surface); |
| } |
| } |
| |
| void _glfwPlatformSetCursorMode(_GLFWwindow* window, int mode) |
| { |
| _glfwPlatformSetCursor(window, window->wl.currentCursor); |
| } |
| |
| const char* _glfwPlatformGetScancodeName(int scancode) |
| { |
| // TODO |
| return NULL; |
| } |
| |
| int _glfwPlatformGetKeyScancode(int key) |
| { |
| return _glfw.wl.scancodes[key]; |
| } |
| |
| int _glfwPlatformCreateCursor(_GLFWcursor* cursor, |
| const GLFWimage* image, |
| int xhot, int yhot) |
| { |
| cursor->wl.buffer = createShmBuffer(image); |
| if (!cursor->wl.buffer) |
| return GLFW_FALSE; |
| |
| cursor->wl.width = image->width; |
| cursor->wl.height = image->height; |
| cursor->wl.xhot = xhot; |
| cursor->wl.yhot = yhot; |
| return GLFW_TRUE; |
| } |
| |
| int _glfwPlatformCreateStandardCursor(_GLFWcursor* cursor, int shape) |
| { |
| struct wl_cursor* standardCursor; |
| |
| standardCursor = wl_cursor_theme_get_cursor(_glfw.wl.cursorTheme, |
| translateCursorShape(shape)); |
| if (!standardCursor) |
| { |
| _glfwInputError(GLFW_PLATFORM_ERROR, |
| "Wayland: Standard cursor \"%s\" not found", |
| translateCursorShape(shape)); |
| return GLFW_FALSE; |
| } |
| |
| cursor->wl.cursor = standardCursor; |
| cursor->wl.currentImage = 0; |
| |
| if (_glfw.wl.cursorThemeHiDPI) |
| { |
| standardCursor = wl_cursor_theme_get_cursor(_glfw.wl.cursorThemeHiDPI, |
| translateCursorShape(shape)); |
| cursor->wl.cursorHiDPI = standardCursor; |
| } |
| |
| return GLFW_TRUE; |
| } |
| |
| void _glfwPlatformDestroyCursor(_GLFWcursor* cursor) |
| { |
| // If it's a standard cursor we don't need to do anything here |
| if (cursor->wl.cursor) |
| return; |
| |
| if (cursor->wl.buffer) |
| wl_buffer_destroy(cursor->wl.buffer); |
| } |
| |
| static void relativePointerHandleRelativeMotion(void* data, |
| struct zwp_relative_pointer_v1* pointer, |
| uint32_t timeHi, |
| uint32_t timeLo, |
| wl_fixed_t dx, |
| wl_fixed_t dy, |
| wl_fixed_t dxUnaccel, |
| wl_fixed_t dyUnaccel) |
| { |
| _GLFWwindow* window = data; |
| double xpos = window->virtualCursorPosX; |
| double ypos = window->virtualCursorPosY; |
| |
| if (window->cursorMode != GLFW_CURSOR_DISABLED) |
| return; |
| |
| if (window->rawMouseMotion) |
| { |
| xpos += wl_fixed_to_double(dxUnaccel); |
| ypos += wl_fixed_to_double(dyUnaccel); |
| } |
| else |
| { |
| xpos += wl_fixed_to_double(dx); |
| ypos += wl_fixed_to_double(dy); |
| } |
| |
| _glfwInputCursorPos(window, xpos, ypos); |
| } |
| |
| static const struct zwp_relative_pointer_v1_listener relativePointerListener = { |
| relativePointerHandleRelativeMotion |
| }; |
| |
| static void lockedPointerHandleLocked(void* data, |
| struct zwp_locked_pointer_v1* lockedPointer) |
| { |
| } |
| |
| static void unlockPointer(_GLFWwindow* window) |
| { |
| struct zwp_relative_pointer_v1* relativePointer = |
| window->wl.pointerLock.relativePointer; |
| struct zwp_locked_pointer_v1* lockedPointer = |
| window->wl.pointerLock.lockedPointer; |
| |
| zwp_relative_pointer_v1_destroy(relativePointer); |
| zwp_locked_pointer_v1_destroy(lockedPointer); |
| |
| window->wl.pointerLock.relativePointer = NULL; |
| window->wl.pointerLock.lockedPointer = NULL; |
| } |
| |
| static void lockPointer(_GLFWwindow* window); |
| |
| static void lockedPointerHandleUnlocked(void* data, |
| struct zwp_locked_pointer_v1* lockedPointer) |
| { |
| } |
| |
| static const struct zwp_locked_pointer_v1_listener lockedPointerListener = { |
| lockedPointerHandleLocked, |
| lockedPointerHandleUnlocked |
| }; |
| |
| static void lockPointer(_GLFWwindow* window) |
| { |
| struct zwp_relative_pointer_v1* relativePointer; |
| struct zwp_locked_pointer_v1* lockedPointer; |
| |
| if (!_glfw.wl.relativePointerManager) |
| { |
| _glfwInputError(GLFW_PLATFORM_ERROR, |
| "Wayland: no relative pointer manager"); |
| return; |
| } |
| |
| relativePointer = |
| zwp_relative_pointer_manager_v1_get_relative_pointer( |
| _glfw.wl.relativePointerManager, |
| _glfw.wl.pointer); |
| zwp_relative_pointer_v1_add_listener(relativePointer, |
| &relativePointerListener, |
| window); |
| |
| lockedPointer = |
| zwp_pointer_constraints_v1_lock_pointer( |
| _glfw.wl.pointerConstraints, |
| window->wl.surface, |
| _glfw.wl.pointer, |
| NULL, |
| ZWP_POINTER_CONSTRAINTS_V1_LIFETIME_PERSISTENT); |
| zwp_locked_pointer_v1_add_listener(lockedPointer, |
| &lockedPointerListener, |
| window); |
| |
| window->wl.pointerLock.relativePointer = relativePointer; |
| window->wl.pointerLock.lockedPointer = lockedPointer; |
| |
| wl_pointer_set_cursor(_glfw.wl.pointer, _glfw.wl.serial, |
| NULL, 0, 0); |
| } |
| |
| static GLFWbool isPointerLocked(_GLFWwindow* window) |
| { |
| return window->wl.pointerLock.lockedPointer != NULL; |
| } |
| |
| void _glfwPlatformSetCursor(_GLFWwindow* window, _GLFWcursor* cursor) |
| { |
| struct wl_cursor* defaultCursor; |
| struct wl_cursor* defaultCursorHiDPI = NULL; |
| |
| if (!_glfw.wl.pointer) |
| return; |
| |
| window->wl.currentCursor = cursor; |
| |
| // If we're not in the correct window just save the cursor |
| // the next time the pointer enters the window the cursor will change |
| if (window != _glfw.wl.pointerFocus || window->wl.decorations.focus != mainWindow) |
| return; |
| |
| // Unlock possible pointer lock if no longer disabled. |
| if (window->cursorMode != GLFW_CURSOR_DISABLED && isPointerLocked(window)) |
| unlockPointer(window); |
| |
| if (window->cursorMode == GLFW_CURSOR_NORMAL) |
| { |
| if (cursor) |
| setCursorImage(window, &cursor->wl); |
| else |
| { |
| defaultCursor = wl_cursor_theme_get_cursor(_glfw.wl.cursorTheme, |
| "left_ptr"); |
| if (!defaultCursor) |
| { |
| _glfwInputError(GLFW_PLATFORM_ERROR, |
| "Wayland: Standard cursor not found"); |
| return; |
| } |
| if (_glfw.wl.cursorThemeHiDPI) |
| defaultCursorHiDPI = |
| wl_cursor_theme_get_cursor(_glfw.wl.cursorThemeHiDPI, |
| "left_ptr"); |
| _GLFWcursorWayland cursorWayland = { |
| defaultCursor, |
| defaultCursorHiDPI, |
| NULL, |
| 0, 0, |
| 0, 0, |
| 0 |
| }; |
| setCursorImage(window, &cursorWayland); |
| } |
| } |
| else if (window->cursorMode == GLFW_CURSOR_DISABLED) |
| { |
| if (!isPointerLocked(window)) |
| lockPointer(window); |
| } |
| else if (window->cursorMode == GLFW_CURSOR_HIDDEN) |
| { |
| wl_pointer_set_cursor(_glfw.wl.pointer, _glfw.wl.serial, NULL, 0, 0); |
| } |
| } |
| |
| static void dataSourceHandleTarget(void* data, |
| struct wl_data_source* dataSource, |
| const char* mimeType) |
| { |
| if (_glfw.wl.dataSource != dataSource) |
| { |
| _glfwInputError(GLFW_PLATFORM_ERROR, |
| "Wayland: Unknown clipboard data source"); |
| return; |
| } |
| } |
| |
| static void dataSourceHandleSend(void* data, |
| struct wl_data_source* dataSource, |
| const char* mimeType, |
| int fd) |
| { |
| const char* string = _glfw.wl.clipboardSendString; |
| size_t len = _glfw.wl.clipboardSendSize; |
| int ret; |
| |
| if (_glfw.wl.dataSource != dataSource) |
| { |
| _glfwInputError(GLFW_PLATFORM_ERROR, |
| "Wayland: Unknown clipboard data source"); |
| return; |
| } |
| |
| if (!string) |
| { |
| _glfwInputError(GLFW_PLATFORM_ERROR, |
| "Wayland: Copy requested from an invalid string"); |
| return; |
| } |
| |
| if (strcmp(mimeType, "text/plain;charset=utf-8") != 0) |
| { |
| _glfwInputError(GLFW_PLATFORM_ERROR, |
| "Wayland: Wrong MIME type asked from clipboard"); |
| close(fd); |
| return; |
| } |
| |
| while (len > 0) |
| { |
| ret = write(fd, string, len); |
| if (ret == -1 && errno == EINTR) |
| continue; |
| if (ret == -1) |
| { |
| // TODO: also report errno maybe. |
| _glfwInputError(GLFW_PLATFORM_ERROR, |
| "Wayland: Error while writing the clipboard"); |
| close(fd); |
| return; |
| } |
| len -= ret; |
| } |
| close(fd); |
| } |
| |
| static void dataSourceHandleCancelled(void* data, |
| struct wl_data_source* dataSource) |
| { |
| wl_data_source_destroy(dataSource); |
| |
| if (_glfw.wl.dataSource != dataSource) |
| { |
| _glfwInputError(GLFW_PLATFORM_ERROR, |
| "Wayland: Unknown clipboard data source"); |
| return; |
| } |
| |
| _glfw.wl.dataSource = NULL; |
| } |
| |
| static const struct wl_data_source_listener dataSourceListener = { |
| dataSourceHandleTarget, |
| dataSourceHandleSend, |
| dataSourceHandleCancelled, |
| }; |
| |
| void _glfwPlatformSetClipboardString(const char* string) |
| { |
| if (_glfw.wl.dataSource) |
| { |
| wl_data_source_destroy(_glfw.wl.dataSource); |
| _glfw.wl.dataSource = NULL; |
| } |
| |
| if (_glfw.wl.clipboardSendString) |
| { |
| free(_glfw.wl.clipboardSendString); |
| _glfw.wl.clipboardSendString = NULL; |
| } |
| |
| _glfw.wl.clipboardSendString = strdup(string); |
| if (!_glfw.wl.clipboardSendString) |
| { |
| _glfwInputError(GLFW_PLATFORM_ERROR, |
| "Wayland: Impossible to allocate clipboard string"); |
| return; |
| } |
| _glfw.wl.clipboardSendSize = strlen(string); |
| _glfw.wl.dataSource = |
| wl_data_device_manager_create_data_source(_glfw.wl.dataDeviceManager); |
| if (!_glfw.wl.dataSource) |
| { |
| _glfwInputError(GLFW_PLATFORM_ERROR, |
| "Wayland: Impossible to create clipboard source"); |
| free(_glfw.wl.clipboardSendString); |
| return; |
| } |
| wl_data_source_add_listener(_glfw.wl.dataSource, |
| &dataSourceListener, |
| NULL); |
| wl_data_source_offer(_glfw.wl.dataSource, "text/plain;charset=utf-8"); |
| wl_data_device_set_selection(_glfw.wl.dataDevice, |
| _glfw.wl.dataSource, |
| _glfw.wl.serial); |
| } |
| |
| static GLFWbool growClipboardString(void) |
| { |
| char* clipboard = _glfw.wl.clipboardString; |
| |
| clipboard = realloc(clipboard, _glfw.wl.clipboardSize * 2); |
| if (!clipboard) |
| { |
| _glfwInputError(GLFW_PLATFORM_ERROR, |
| "Wayland: Impossible to grow clipboard string"); |
| return GLFW_FALSE; |
| } |
| _glfw.wl.clipboardString = clipboard; |
| _glfw.wl.clipboardSize = _glfw.wl.clipboardSize * 2; |
| return GLFW_TRUE; |
| } |
| |
| const char* _glfwPlatformGetClipboardString(void) |
| { |
| int fds[2]; |
| int ret; |
| size_t len = 0; |
| |
| if (!_glfw.wl.dataOffer) |
| { |
| _glfwInputError(GLFW_FORMAT_UNAVAILABLE, |
| "No clipboard data has been sent yet"); |
| return NULL; |
| } |
| |
| ret = pipe2(fds, O_CLOEXEC); |
| if (ret < 0) |
| { |
| // TODO: also report errno maybe? |
| _glfwInputError(GLFW_PLATFORM_ERROR, |
| "Wayland: Impossible to create clipboard pipe fds"); |
| return NULL; |
| } |
| |
| wl_data_offer_receive(_glfw.wl.dataOffer, "text/plain;charset=utf-8", fds[1]); |
| close(fds[1]); |
| |
| // XXX: this is a huge hack, this function shouldn’t be synchronous! |
| handleEvents(-1); |
| |
| while (1) |
| { |
| // Grow the clipboard if we need to paste something bigger, there is no |
| // shrink operation yet. |
| if (len + 4096 > _glfw.wl.clipboardSize) |
| { |
| if (!growClipboardString()) |
| { |
| close(fds[0]); |
| return NULL; |
| } |
| } |
| |
| // Then read from the fd to the clipboard, handling all known errors. |
| ret = read(fds[0], _glfw.wl.clipboardString + len, 4096); |
| if (ret == 0) |
| break; |
| if (ret == -1 && errno == EINTR) |
| continue; |
| if (ret == -1) |
| { |
| // TODO: also report errno maybe. |
| _glfwInputError(GLFW_PLATFORM_ERROR, |
| "Wayland: Impossible to read from clipboard fd"); |
| close(fds[0]); |
| return NULL; |
| } |
| len += ret; |
| } |
| close(fds[0]); |
| if (len + 1 > _glfw.wl.clipboardSize) |
| { |
| if (!growClipboardString()) |
| return NULL; |
| } |
| _glfw.wl.clipboardString[len] = '\0'; |
| return _glfw.wl.clipboardString; |
| } |
| |
| void _glfwPlatformGetRequiredInstanceExtensions(char** extensions) |
| { |
| if (!_glfw.vk.KHR_surface || !_glfw.vk.KHR_wayland_surface) |
| return; |
| |
| extensions[0] = "VK_KHR_surface"; |
| extensions[1] = "VK_KHR_wayland_surface"; |
| } |
| |
| int _glfwPlatformGetPhysicalDevicePresentationSupport(VkInstance instance, |
| VkPhysicalDevice device, |
| uint32_t queuefamily) |
| { |
| PFN_vkGetPhysicalDeviceWaylandPresentationSupportKHR |
| vkGetPhysicalDeviceWaylandPresentationSupportKHR = |
| (PFN_vkGetPhysicalDeviceWaylandPresentationSupportKHR) |
| vkGetInstanceProcAddr(instance, "vkGetPhysicalDeviceWaylandPresentationSupportKHR"); |
| if (!vkGetPhysicalDeviceWaylandPresentationSupportKHR) |
| { |
| _glfwInputError(GLFW_API_UNAVAILABLE, |
| "Wayland: Vulkan instance missing VK_KHR_wayland_surface extension"); |
| return VK_NULL_HANDLE; |
| } |
| |
| return vkGetPhysicalDeviceWaylandPresentationSupportKHR(device, |
| queuefamily, |
| _glfw.wl.display); |
| } |
| |
| VkResult _glfwPlatformCreateWindowSurface(VkInstance instance, |
| _GLFWwindow* window, |
| const VkAllocationCallbacks* allocator, |
| VkSurfaceKHR* surface) |
| { |
| VkResult err; |
| VkWaylandSurfaceCreateInfoKHR sci; |
| PFN_vkCreateWaylandSurfaceKHR vkCreateWaylandSurfaceKHR; |
| |
| vkCreateWaylandSurfaceKHR = (PFN_vkCreateWaylandSurfaceKHR) |
| vkGetInstanceProcAddr(instance, "vkCreateWaylandSurfaceKHR"); |
| if (!vkCreateWaylandSurfaceKHR) |
| { |
| _glfwInputError(GLFW_API_UNAVAILABLE, |
| "Wayland: Vulkan instance missing VK_KHR_wayland_surface extension"); |
| return VK_ERROR_EXTENSION_NOT_PRESENT; |
| } |
| |
| memset(&sci, 0, sizeof(sci)); |
| sci.sType = VK_STRUCTURE_TYPE_WAYLAND_SURFACE_CREATE_INFO_KHR; |
| sci.display = _glfw.wl.display; |
| sci.surface = window->wl.surface; |
| |
| err = vkCreateWaylandSurfaceKHR(instance, &sci, allocator, surface); |
| if (err) |
| { |
| _glfwInputError(GLFW_PLATFORM_ERROR, |
| "Wayland: Failed to create Vulkan surface: %s", |
| _glfwGetVulkanResultString(err)); |
| } |
| |
| return err; |
| } |
| |
| |
| ////////////////////////////////////////////////////////////////////////// |
| ////// GLFW native API ////// |
| ////////////////////////////////////////////////////////////////////////// |
| |
| GLFWAPI struct wl_display* glfwGetWaylandDisplay(void) |
| { |
| _GLFW_REQUIRE_INIT_OR_RETURN(NULL); |
| return _glfw.wl.display; |
| } |
| |
| GLFWAPI struct wl_surface* glfwGetWaylandWindow(GLFWwindow* handle) |
| { |
| _GLFWwindow* window = (_GLFWwindow*) handle; |
| _GLFW_REQUIRE_INIT_OR_RETURN(NULL); |
| return window->wl.surface; |
| } |
| |
