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authorAndreas Grois <andi@grois.info>2018-03-09 21:36:10 +0100
committerAndreas Grois <andi@grois.info>2018-03-09 21:36:10 +0100
commit3b734f0d6b9e28c1f2c4ae54e3f46e573e02f4a5 (patch)
tree444542870666e41594e7b493f625ade81d64f885 /glfw-3.2.1/src/wl_window.c
Initial Commit
Diffstat (limited to 'glfw-3.2.1/src/wl_window.c')
-rw-r--r--glfw-3.2.1/src/wl_window.c1050
1 files changed, 1050 insertions, 0 deletions
diff --git a/glfw-3.2.1/src/wl_window.c b/glfw-3.2.1/src/wl_window.c
new file mode 100644
index 0000000..cf75ec8
--- /dev/null
+++ b/glfw-3.2.1/src/wl_window.c
@@ -0,0 +1,1050 @@
+//========================================================================
+// GLFW 3.2 Wayland - www.glfw.org
+//------------------------------------------------------------------------
+// Copyright (c) 2014 Jonas Ã…dahl <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 <poll.h>
+
+#include <wayland-egl.h>
+#include <wayland-cursor.h>
+
+
+static void handlePing(void* data,
+ struct wl_shell_surface* shellSurface,
+ uint32_t serial)
+{
+ wl_shell_surface_pong(shellSurface, serial);
+}
+
+static void handleConfigure(void* data,
+ struct wl_shell_surface* shellSurface,
+ uint32_t edges,
+ int32_t width,
+ int32_t height)
+{
+ _GLFWwindow* window = data;
+ float aspectRatio;
+ float targetRatio;
+
+ if (!window->monitor)
+ {
+ if (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 handlePopupDone(void* data,
+ struct wl_shell_surface* shellSurface)
+{
+}
+
+static const struct wl_shell_surface_listener shellSurfaceListener = {
+ handlePing,
+ handleConfigure,
+ handlePopupDone
+};
+
+static void checkScaleChange(_GLFWwindow* window)
+{
+ int scaledWidth, scaledHeight;
+ int scale = 1;
+ int i;
+ int monitorScale;
+
+ // Check if we will be able to set the buffer scale or not.
+ if (_glfw.wl.wl_compositor_version < 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;
+ scaledWidth = window->wl.width * scale;
+ scaledHeight = window->wl.height * scale;
+ wl_surface_set_buffer_scale(window->wl.surface, scale);
+ wl_egl_window_resize(window->wl.native, scaledWidth, scaledHeight, 0, 0);
+ _glfwInputFramebufferSize(window, scaledWidth, scaledHeight);
+ }
+}
+
+static void handleEnter(void *data,
+ struct wl_surface *surface,
+ struct wl_output *output)
+{
+ _GLFWwindow* window = data;
+ _GLFWmonitor* monitor = wl_output_get_user_data(output);
+
+ if (window->wl.monitorsCount + 1 > window->wl.monitorsSize)
+ {
+ ++window->wl.monitorsSize;
+ window->wl.monitors =
+ realloc(window->wl.monitors,
+ window->wl.monitorsSize * sizeof(_GLFWmonitor*));
+ }
+
+ window->wl.monitors[window->wl.monitorsCount++] = monitor;
+
+ checkScaleChange(window);
+}
+
+static void handleLeave(void *data,
+ struct wl_surface *surface,
+ struct wl_output *output)
+{
+ _GLFWwindow* window = data;
+ _GLFWmonitor* monitor = wl_output_get_user_data(output);
+ GLFWbool found;
+ int i;
+
+ for (i = 0, found = GLFW_FALSE; i < window->wl.monitorsCount - 1; ++i)
+ {
+ if (monitor == window->wl.monitors[i])
+ found = GLFW_TRUE;
+ if (found)
+ window->wl.monitors[i] = window->wl.monitors[i + 1];
+ }
+ window->wl.monitors[--window->wl.monitorsCount] = NULL;
+
+ checkScaleChange(window);
+}
+
+static const struct wl_surface_listener surfaceListener = {
+ handleEnter,
+ handleLeave
+};
+
+// 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 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;
+
+ // TODO: make this optional once issue #197 is fixed.
+ setOpaqueRegion(window);
+
+ return GLFW_TRUE;
+}
+
+static GLFWbool createShellSurface(_GLFWwindow* window)
+{
+ window->wl.shell_surface = wl_shell_get_shell_surface(_glfw.wl.shell,
+ window->wl.surface);
+ if (!window->wl.shell_surface)
+ return GLFW_FALSE;
+
+ wl_shell_surface_add_listener(window->wl.shell_surface,
+ &shellSurfaceListener,
+ window);
+
+ if (window->wl.title)
+ wl_shell_surface_set_title(window->wl.shell_surface, window->wl.title);
+
+ if (window->monitor)
+ {
+ wl_shell_surface_set_fullscreen(
+ window->wl.shell_surface,
+ WL_SHELL_SURFACE_FULLSCREEN_METHOD_DEFAULT,
+ 0,
+ window->monitor->wl.output);
+ }
+ else if (window->wl.maximized)
+ {
+ wl_shell_surface_set_maximized(window->wl.shell_surface, NULL);
+ }
+ else
+ {
+ wl_shell_surface_set_toplevel(window->wl.shell_surface);
+ }
+
+ return GLFW_TRUE;
+}
+
+static int
+createTmpfileCloexec(char* tmpname)
+{
+ int fd;
+
+ fd = mkostemp(tmpname, O_CLOEXEC);
+ if (fd >= 0)
+ unlink(tmpname);
+
+ return fd;
+}
+
+static void
+handleEvents(int timeout)
+{
+ struct wl_display* display = _glfw.wl.display;
+ struct pollfd fds[] = {
+ { wl_display_get_fd(display), POLLIN },
+ };
+
+ 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, 1, timeout) > 0)
+ {
+ wl_display_read_events(display);
+ wl_display_dispatch_pending(display);
+ }
+ else
+ {
+ wl_display_cancel_read(display);
+ }
+}
+
+/*
+ * 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.
+ */
+int
+createAnonymousFile(off_t size)
+{
+ static const char template[] = "/glfw-shared-XXXXXX";
+ const char* path;
+ char* name;
+ int fd;
+ int ret;
+
+ 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;
+ ret = posix_fallocate(fd, 0, size);
+ if (ret != 0)
+ {
+ close(fd);
+ errno = ret;
+ return -1;
+ }
+ return fd;
+}
+
+// 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)
+{
+ if (!createSurface(window, wndconfig))
+ return GLFW_FALSE;
+
+ if (ctxconfig->client != GLFW_NO_API)
+ {
+ if (!_glfwInitEGL())
+ return GLFW_FALSE;
+ if (!_glfwCreateContextEGL(window, ctxconfig, fbconfig))
+ return GLFW_FALSE;
+ }
+
+ if (wndconfig->title)
+ window->wl.title = strdup(wndconfig->title);
+
+ if (wndconfig->visible)
+ {
+ if (!createShellSurface(window))
+ return GLFW_FALSE;
+
+ window->wl.visible = GLFW_TRUE;
+ }
+ else
+ {
+ window->wl.shell_surface = 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->context.destroy)
+ window->context.destroy(window);
+
+ if (window->wl.native)
+ wl_egl_window_destroy(window->wl.native);
+
+ if (window->wl.shell_surface)
+ wl_shell_surface_destroy(window->wl.shell_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 = strdup(title);
+ if (window->wl.shell_surface)
+ wl_shell_surface_set_title(window->wl.shell_surface, 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)
+{
+ int scaledWidth = width * window->wl.scale;
+ int scaledHeight = height * window->wl.scale;
+ window->wl.width = width;
+ window->wl.height = height;
+ wl_egl_window_resize(window->wl.native, scaledWidth, scaledHeight, 0, 0);
+ setOpaqueRegion(window);
+ _glfwInputFramebufferSize(window, scaledWidth, scaledHeight);
+}
+
+void _glfwPlatformSetWindowSizeLimits(_GLFWwindow* window,
+ int minwidth, int minheight,
+ int maxwidth, int maxheight)
+{
+ // 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)
+{
+ // TODO: will need a proper implementation once decorations are
+ // implemented, but for now just leave everything as 0.
+}
+
+void _glfwPlatformIconifyWindow(_GLFWwindow* window)
+{
+ // TODO: move to xdg_shell instead of wl_shell.
+ _glfwInputError(GLFW_PLATFORM_ERROR,
+ "Wayland: Iconify window not supported");
+}
+
+void _glfwPlatformRestoreWindow(_GLFWwindow* window)
+{
+ // TODO: also do the same for iconified.
+ if (window->monitor || window->wl.maximized)
+ {
+ if (window->wl.shell_surface)
+ wl_shell_surface_set_toplevel(window->wl.shell_surface);
+
+ window->wl.maximized = GLFW_FALSE;
+ }
+}
+
+void _glfwPlatformMaximizeWindow(_GLFWwindow* window)
+{
+ if (!window->monitor && !window->wl.maximized)
+ {
+ if (window->wl.shell_surface)
+ {
+ // Let the compositor select the best output.
+ wl_shell_surface_set_maximized(window->wl.shell_surface, NULL);
+ }
+ window->wl.maximized = GLFW_TRUE;
+ }
+}
+
+void _glfwPlatformShowWindow(_GLFWwindow* window)
+{
+ if (!window->monitor)
+ {
+ if (!window->wl.shell_surface)
+ createShellSurface(window);
+ window->wl.visible = GLFW_TRUE;
+ }
+}
+
+void _glfwPlatformHideWindow(_GLFWwindow* window)
+{
+ if (!window->monitor)
+ {
+ if (window->wl.shell_surface)
+ wl_shell_surface_destroy(window->wl.shell_surface);
+ window->wl.visible = GLFW_FALSE;
+ }
+}
+
+void _glfwPlatformFocusWindow(_GLFWwindow* window)
+{
+ _glfwInputError(GLFW_PLATFORM_ERROR,
+ "Wayland: Focusing a window requires user interaction");
+}
+
+void _glfwPlatformSetWindowMonitor(_GLFWwindow* window,
+ _GLFWmonitor* monitor,
+ int xpos, int ypos,
+ int width, int height,
+ int refreshRate)
+{
+ if (monitor)
+ {
+ wl_shell_surface_set_fullscreen(
+ window->wl.shell_surface,
+ WL_SHELL_SURFACE_FULLSCREEN_METHOD_DEFAULT,
+ refreshRate * 1000, // Convert Hz to mHz.
+ monitor->wl.output);
+ }
+ else
+ {
+ wl_shell_surface_set_toplevel(window->wl.shell_surface);
+ }
+ _glfwInputWindowMonitorChange(window, monitor);
+}
+
+int _glfwPlatformWindowFocused(_GLFWwindow* window)
+{
+ return _glfw.wl.keyboardFocus == window;
+}
+
+int _glfwPlatformWindowIconified(_GLFWwindow* window)
+{
+ // TODO: move to xdg_shell, wl_shell doesn't have any iconified concept.
+ return GLFW_FALSE;
+}
+
+int _glfwPlatformWindowVisible(_GLFWwindow* window)
+{
+ return window->wl.visible;
+}
+
+int _glfwPlatformWindowMaximized(_GLFWwindow* window)
+{
+ return window->wl.maximized;
+}
+
+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* _glfwPlatformGetKeyName(int key, int scancode)
+{
+ // TODO
+ return NULL;
+}
+
+int _glfwPlatformCreateCursor(_GLFWcursor* cursor,
+ const GLFWimage* image,
+ int xhot, int yhot)
+{
+ struct wl_shm_pool* pool;
+ 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 GLFW_FALSE;
+ }
+
+ data = mmap(NULL, length, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
+ if (data == MAP_FAILED)
+ {
+ _glfwInputError(GLFW_PLATFORM_ERROR,
+ "Wayland: Cursor mmap failed: %m");
+ close(fd);
+ return GLFW_FALSE;
+ }
+
+ 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;
+ }
+
+ cursor->wl.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);
+
+ 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.image = standardCursor->images[0];
+ return GLFW_TRUE;
+}
+
+void _glfwPlatformDestroyCursor(_GLFWcursor* cursor)
+{
+ // If it's a standard cursor we don't need to do anything here
+ if (cursor->wl.image)
+ return;
+
+ if (cursor->wl.buffer)
+ wl_buffer_destroy(cursor->wl.buffer);
+}
+
+static void handleRelativeMotion(void* data,
+ struct zwp_relative_pointer_v1* pointer,
+ uint32_t timeHi,
+ uint32_t timeLo,
+ wl_fixed_t dx,
+ wl_fixed_t dy,
+ wl_fixed_t dxUnaccel,
+ wl_fixed_t dyUnaccel)
+{
+ _GLFWwindow* window = data;
+
+ if (window->cursorMode != GLFW_CURSOR_DISABLED)
+ return;
+
+ _glfwInputCursorPos(window,
+ window->virtualCursorPosX + wl_fixed_to_double(dxUnaccel),
+ window->virtualCursorPosY + wl_fixed_to_double(dyUnaccel));
+}
+
+static const struct zwp_relative_pointer_v1_listener relativePointerListener = {
+ handleRelativeMotion
+};
+
+static void handleLocked(void* data,
+ struct zwp_locked_pointer_v1* lockedPointer)
+{
+}
+
+static void unlockPointer(_GLFWwindow* window)
+{
+ struct zwp_relative_pointer_v1* relativePointer =
+ window->wl.pointerLock.relativePointer;
+ struct zwp_locked_pointer_v1* lockedPointer =
+ window->wl.pointerLock.lockedPointer;
+
+ zwp_relative_pointer_v1_destroy(relativePointer);
+ zwp_locked_pointer_v1_destroy(lockedPointer);
+
+ window->wl.pointerLock.relativePointer = NULL;
+ window->wl.pointerLock.lockedPointer = NULL;
+}
+
+static void lockPointer(_GLFWwindow* window);
+
+static void handleUnlocked(void* data,
+ struct zwp_locked_pointer_v1* lockedPointer)
+{
+}
+
+static const struct zwp_locked_pointer_v1_listener lockedPointerListener = {
+ handleLocked,
+ handleUnlocked
+};
+
+static void lockPointer(_GLFWwindow* window)
+{
+ struct zwp_relative_pointer_v1* relativePointer;
+ struct zwp_locked_pointer_v1* lockedPointer;
+
+ if (!_glfw.wl.relativePointerManager)
+ {
+ _glfwInputError(GLFW_PLATFORM_ERROR,
+ "Wayland: no relative pointer manager");
+ return;
+ }
+
+ relativePointer =
+ zwp_relative_pointer_manager_v1_get_relative_pointer(
+ _glfw.wl.relativePointerManager,
+ _glfw.wl.pointer);
+ zwp_relative_pointer_v1_add_listener(relativePointer,
+ &relativePointerListener,
+ window);
+
+ lockedPointer =
+ zwp_pointer_constraints_v1_lock_pointer(
+ _glfw.wl.pointerConstraints,
+ window->wl.surface,
+ _glfw.wl.pointer,
+ NULL,
+ ZWP_POINTER_CONSTRAINTS_V1_LIFETIME_PERSISTENT);
+ zwp_locked_pointer_v1_add_listener(lockedPointer,
+ &lockedPointerListener,
+ window);
+
+ window->wl.pointerLock.relativePointer = relativePointer;
+ window->wl.pointerLock.lockedPointer = lockedPointer;
+
+ wl_pointer_set_cursor(_glfw.wl.pointer, _glfw.wl.pointerSerial,
+ NULL, 0, 0);
+}
+
+static GLFWbool isPointerLocked(_GLFWwindow* window)
+{
+ return window->wl.pointerLock.lockedPointer != NULL;
+}
+
+void _glfwPlatformSetCursor(_GLFWwindow* window, _GLFWcursor* cursor)
+{
+ struct wl_buffer* buffer;
+ struct wl_cursor* defaultCursor;
+ struct wl_cursor_image* image;
+ struct wl_surface* surface = _glfw.wl.cursorSurface;
+
+ 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)
+ 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)
+ image = cursor->wl.image;
+ else
+ {
+ defaultCursor = wl_cursor_theme_get_cursor(_glfw.wl.cursorTheme,
+ "left_ptr");
+ if (!defaultCursor)
+ {
+ _glfwInputError(GLFW_PLATFORM_ERROR,
+ "Wayland: Standard cursor not found");
+ return;
+ }
+ image = defaultCursor->images[0];
+ }
+
+ if (image)
+ {
+ 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);
+ }
+ else
+ {
+ wl_pointer_set_cursor(_glfw.wl.pointer, _glfw.wl.pointerSerial,
+ surface,
+ cursor->wl.xhot,
+ cursor->wl.yhot);
+ wl_surface_attach(surface, cursor->wl.buffer, 0, 0);
+ wl_surface_damage(surface, 0, 0,
+ cursor->wl.width, cursor->wl.height);
+ wl_surface_commit(surface);
+ }
+ }
+ else if (window->cursorMode == GLFW_CURSOR_DISABLED)
+ {
+ if (!isPointerLocked(window))
+ lockPointer(window);
+ }
+ else if (window->cursorMode == GLFW_CURSOR_HIDDEN)
+ {
+ wl_pointer_set_cursor(_glfw.wl.pointer, _glfw.wl.pointerSerial,
+ NULL, 0, 0);
+ }
+}
+
+void _glfwPlatformSetClipboardString(_GLFWwindow* window, const char* string)
+{
+ // TODO
+ _glfwInputError(GLFW_PLATFORM_ERROR,
+ "Wayland: Clipboard setting not implemented yet");
+}
+
+const char* _glfwPlatformGetClipboardString(_GLFWwindow* window)
+{
+ // TODO
+ _glfwInputError(GLFW_PLATFORM_ERROR,
+ "Wayland: Clipboard getting not implemented yet");
+ return NULL;
+}
+
+char** _glfwPlatformGetRequiredInstanceExtensions(uint32_t* count)
+{
+ char** extensions;
+
+ *count = 0;
+
+ if (!_glfw.vk.KHR_wayland_surface)
+ return NULL;
+
+ extensions = calloc(2, sizeof(char*));
+ extensions[0] = strdup("VK_KHR_surface");
+ extensions[1] = strdup("VK_KHR_wayland_surface");
+
+ *count = 2;
+ return extensions;
+}
+
+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;
+}
+