797ee8d8e3
Due to Wayland, shared code cannot rely on cursor positioning being supported by the underlying platform. This implicitly fixes #617 as it moves cursor centering into _glfwPlatformSetCursorMode, thus separating it from the stale value of _glfw.cursorWindow. Fixes #617.
1049 lines
31 KiB
C
1049 lines
31 KiB
C
//========================================================================
|
|
// GLFW 3.2 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 <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 (!_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.client != GLFW_NO_API)
|
|
window->context.destroyContext(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;
|
|
}
|
|
|