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xwayland: move to hyprland impl (#6086)

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Vaxry 2024-05-25 22:43:51 +02:00 • committed by GitHub
parent a71207434c
commit addd3e7f1a
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36 changed files with 2956 additions and 707 deletions
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427
src/xwayland/Server.cpp Normal file
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#ifndef NO_XWAYLAND
#include "Server.hpp"
#include "../defines.hpp"
#include "../Compositor.hpp"
#include "../managers/CursorManager.hpp"
#include "XWayland.hpp"
#include <errno.h>
#include <fcntl.h>
#include <signal.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/un.h>
#include <unistd.h>
// TODO: cleanup
static bool set_cloexec(int fd, bool cloexec) {
int flags = fcntl(fd, F_GETFD);
if (flags == -1) {
wlr_log_errno(WLR_ERROR, "fcntl failed");
return false;
}
if (cloexec) {
flags = flags | FD_CLOEXEC;
} else {
flags = flags & ~FD_CLOEXEC;
}
if (fcntl(fd, F_SETFD, flags) == -1) {
wlr_log_errno(WLR_ERROR, "fcntl failed");
return false;
}
return true;
}
static int openSocket(struct sockaddr_un* addr, size_t path_size) {
int fd, rc;
socklen_t size = offsetof(struct sockaddr_un, sun_path) + path_size + 1;
fd = socket(AF_UNIX, SOCK_STREAM, 0);
if (fd < 0) {
wlr_log_errno(WLR_ERROR, "Failed to create socket %c%s", addr->sun_path[0] ? addr->sun_path[0] : '@', addr->sun_path + 1);
return -1;
}
if (!set_cloexec(fd, true)) {
close(fd);
return -1;
}
if (addr->sun_path[0]) {
unlink(addr->sun_path);
}
if (bind(fd, (struct sockaddr*)addr, size) < 0) {
rc = errno;
wlr_log_errno(WLR_ERROR, "Failed to bind socket %c%s", addr->sun_path[0] ? addr->sun_path[0] : '@', addr->sun_path + 1);
goto cleanup;
}
if (listen(fd, 1) < 0) {
rc = errno;
wlr_log_errno(WLR_ERROR, "Failed to listen to socket %c%s", addr->sun_path[0] ? addr->sun_path[0] : '@', addr->sun_path + 1);
goto cleanup;
}
return fd;
cleanup:
close(fd);
if (addr->sun_path[0]) {
unlink(addr->sun_path);
}
errno = rc;
return -1;
}
static bool checkPermissionsForSocketDir(void) {
struct stat buf;
if (lstat("/tmp/.X11-unix", &buf)) {
Debug::log(ERR, "Failed statting X11 socket dir");
return false;
}
if (!(buf.st_mode & S_IFDIR)) {
Debug::log(ERR, "X11 socket dir is not a dir");
return false;
}
if (!((buf.st_uid == 0) || (buf.st_uid == getuid()))) {
Debug::log(ERR, "X11 socket dir is not ours");
return false;
}
if (!(buf.st_mode & S_ISVTX)) {
if ((buf.st_mode & (S_IWGRP | S_IWOTH))) {
Debug::log(ERR, "X11 socket dir is sticky by others");
return false;
}
}
return true;
}
static bool openSockets(std::array<int, 2>& sockets, int display) {
auto ret = mkdir("/tmp/.X11-unix", 755);
if (ret != 0) {
if (errno == EEXIST) {
if (!checkPermissionsForSocketDir())
return false;
} else {
Debug::log(ERR, "XWayland: couldn't create socket dir");
return false;
}
}
std::string path;
sockaddr_un addr = {.sun_family = AF_UNIX};
#ifdef __linux__
// cursed...
addr.sun_path[0] = 0;
path = std::format("/tmp/.X11-unix/X{}", display);
strncpy(addr.sun_path + 1, path.c_str(), path.length() + 1);
#else
path = std::format("/tmp/.X11-unix/X{}_", display);
strncpy(addr.sun_path, path.c_str(), path.length() + 1);
#endif
sockets[0] = openSocket(&addr, path.length());
if (sockets[0] < 0)
return false;
path = std::format("/tmp/.X11-unix/X{}", display);
strncpy(addr.sun_path, path.c_str(), path.length() + 1);
sockets[1] = openSocket(&addr, path.length());
if (sockets[1] < 0) {
close(sockets[0]);
sockets[0] = -1;
return false;
}
return true;
}
static void startServer(void* data) {
if (!g_pXWayland->pServer->start())
Debug::log(ERR, "The XWayland server could not start! XWayland will not work...");
}
static int xwaylandReady(int fd, uint32_t mask, void* data) {
return g_pXWayland->pServer->ready(fd, mask);
}
bool CXWaylandServer::tryOpenSockets() {
for (size_t i = 0; i <= 32; ++i) {
auto LOCK = std::format("/tmp/.X{}-lock", i);
if (int fd = open(LOCK.c_str(), O_WRONLY | O_CREAT | O_EXCL | O_CLOEXEC, 0444); fd >= 0) {
// we managed to open the lock
if (!openSockets(xFDs, i)) {
std::filesystem::remove(LOCK);
close(fd);
continue;
}
const auto PIDSTR = std::format("{}", getpid());
if (write(fd, PIDSTR.c_str(), PIDSTR.length()) != (long)PIDSTR.length()) {
std::filesystem::remove(LOCK);
close(fd);
continue;
}
close(fd);
display = i;
displayName = std::format(":{}", display);
break;
}
int fd = open(LOCK.c_str(), O_RDONLY | O_CLOEXEC);
if (fd < 0)
continue;
char pidstr[12] = {0};
read(fd, pidstr, sizeof(pidstr) - 1);
close(fd);
uint64_t pid = 0;
try {
pid = std::stoi(std::string{pidstr, 11});
} catch (...) { continue; }
if (kill(pid, 0) != 0 && errno == ESRCH) {
if (!std::filesystem::remove(LOCK))
continue;
i--;
}
}
if (display < 0) {
Debug::log(ERR, "Failed to find a suitable socket for xwayland");
return false;
}
Debug::log(LOG, "XWayland found a suitable display socket at DISPLAY: {}", displayName);
return true;
}
CXWaylandServer::CXWaylandServer() {
;
}
CXWaylandServer::~CXWaylandServer() {
die();
if (display < 0)
return;
if (xFDs[0])
close(xFDs[0]);
if (xFDs[1])
close(xFDs[1]);
auto LOCK = std::format("/tmp/.X{}-lock", display);
std::filesystem::remove(LOCK);
std::string path;
#ifdef __linux__
path = std::format("/tmp/.X11-unix/X{}", display);
#else
path = std::format("/tmp/.X11-unix/X{}_", display);
#endif
std::filesystem::remove(path);
}
void CXWaylandServer::die() {
if (display < 0)
return;
if (xFDReadEvents[0]) {
wl_event_source_remove(xFDReadEvents[0]);
wl_event_source_remove(xFDReadEvents[1]);
xFDReadEvents = {nullptr, nullptr};
}
if (pipeSource)
wl_event_source_remove(pipeSource);
if (waylandFDs[0])
close(waylandFDs[0]);
if (waylandFDs[1])
close(waylandFDs[1]);
if (xwmFDs[0])
close(xwmFDs[0]);
if (xwmFDs[1])
close(xwmFDs[1]);
if (xwaylandClient)
wl_client_destroy(xwaylandClient);
xwaylandClient = nullptr;
waylandFDs = {-1, -1};
xwmFDs = {-1, -1};
}
bool CXWaylandServer::create() {
if (!tryOpenSockets())
return false;
setenv("DISPLAY", displayName.c_str(), true);
// TODO: lazy mode
idleSource = wl_event_loop_add_idle(g_pCompositor->m_sWLEventLoop, ::startServer, nullptr);
return true;
}
void CXWaylandServer::runXWayland(int notifyFD) {
if (!set_cloexec(xFDs[0], false) || !set_cloexec(xFDs[1], false) || !set_cloexec(waylandFDs[1], false) || !set_cloexec(xwmFDs[1], false)) {
Debug::log(ERR, "Failed to unset cloexec on fds");
_exit(EXIT_FAILURE);
}
auto cmd = std::format("Xwayland {} -rootless -core -listenfd {} -listenfd {} -displayfd {} -wm {}", displayName, xFDs[0], xFDs[1], notifyFD, xwmFDs[1]);
auto waylandSocket = std::format("{}", waylandFDs[1]);
setenv("WAYLAND_SOCKET", waylandSocket.c_str(), true);
Debug::log(LOG, "Starting XWayland with \"{}\", bon voyage!", cmd);
execl("/bin/sh", "/bin/sh", "-c", cmd.c_str(), nullptr);
Debug::log(ERR, "XWayland failed to open");
_exit(1);
}
bool CXWaylandServer::start() {
idleSource = nullptr;
if (socketpair(AF_UNIX, SOCK_STREAM, 0, waylandFDs.data()) != 0) {
Debug::log(ERR, "socketpair failed (1)");
die();
return false;
}
if (!set_cloexec(waylandFDs[0], true) || !set_cloexec(waylandFDs[1], true)) {
Debug::log(ERR, "set_cloexec failed (1)");
die();
return false;
}
if (socketpair(AF_UNIX, SOCK_STREAM, 0, xwmFDs.data()) != 0) {
Debug::log(ERR, "socketpair failed (2)");
die();
return false;
}
if (!set_cloexec(xwmFDs[0], true) || !set_cloexec(xwmFDs[1], true)) {
Debug::log(ERR, "set_cloexec failed (2)");
die();
return false;
}
xwaylandClient = wl_client_create(g_pCompositor->m_sWLDisplay, waylandFDs[0]);
if (!xwaylandClient) {
Debug::log(ERR, "wl_client_create failed");
die();
return false;
}
waylandFDs[0] = -1;
int notify[2] = {-1, -1};
if (pipe(notify) < 0) {
Debug::log(ERR, "pipe failed");
die();
return false;
}
if (!set_cloexec(notify[0], true)) {
Debug::log(ERR, "set_cloexec failed (3)");
close(notify[0]);
close(notify[1]);
die();
return false;
}
pipeSource = wl_event_loop_add_fd(g_pCompositor->m_sWLEventLoop, notify[0], WL_EVENT_READABLE, ::xwaylandReady, nullptr);
serverPID = fork();
if (serverPID < 0) {
Debug::log(ERR, "fork failed");
close(notify[0]);
close(notify[1]);
die();
return false;
} else if (serverPID == 0) {
pid_t pid = fork();
if (pid < 0) {
Debug::log(ERR, "second fork failed");
_exit(1);
} else if (pid == 0) {
runXWayland(notify[1]);
}
_exit(0);
}
close(notify[1]);
close(waylandFDs[1]);
close(xwmFDs[1]);
waylandFDs[1] = -1;
xwmFDs[1] = -1;
return true;
}
int CXWaylandServer::ready(int fd, uint32_t mask) {
if (mask & WL_EVENT_READABLE) {
// xwayland writes twice
char buf[64];
ssize_t n = read(fd, buf, sizeof(buf));
if (n < 0 && errno != EINTR) {
Debug::log(ERR, "Xwayland: read from displayFd failed");
mask = 0;
} else if (n <= 0 || buf[n - 1] != '\n')
return 1;
}
while (waitpid(serverPID, nullptr, 0) < 0) {
if (errno == EINTR)
continue;
Debug::log(ERR, "Xwayland: waitpid for fork failed");
g_pXWayland->pServer.reset();
return 1;
}
// if we don't have readable here, it failed
if (!(mask & WL_EVENT_READABLE)) {
Debug::log(ERR, "Xwayland: startup failed, not setting up xwm");
g_pXWayland->pServer.reset();
return 1;
}
Debug::log(LOG, "XWayland is ready");
close(fd);
wl_event_source_remove(pipeSource);
pipeSource = nullptr;
// start the wm
g_pXWayland->pWM = std::make_unique<CXWM>();
g_pCursorManager->setXWaylandCursor();
return 0;
}
#endif

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src/xwayland/Server.hpp Normal file
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#pragma once
#include <array>
#include "../helpers/signal/Signal.hpp"
struct wl_event_source;
struct wl_client;
// TODO: add lazy mode
class CXWaylandServer {
public:
CXWaylandServer();
~CXWaylandServer();
// create the server.
bool create();
// starts the server, meant to be called by CXWaylandServer.
bool start();
// called on ready
int ready(int fd, uint32_t mask);
void die();
struct {
CSignal ready;
} events;
wl_client* xwaylandClient = nullptr;
private:
bool tryOpenSockets();
void runXWayland(int notifyFD);
pid_t serverPID = 0;
std::string displayName;
int display = -1;
std::array<int, 2> xFDs = {-1, -1};
std::array<wl_event_source*, 2> xFDReadEvents = {nullptr, nullptr};
wl_event_source* idleSource = nullptr;
wl_event_source* pipeSource = nullptr;
std::array<int, 2> xwmFDs = {-1, -1};
std::array<int, 2> waylandFDs = {-1, -1};
friend class CXWM;
};

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src/xwayland/XDataSource.cpp Normal file
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#ifndef NO_XWAYLAND
#include "XDataSource.hpp"
#include "XWayland.hpp"
#include "../defines.hpp"
#include <fcntl.h>
CXDataSource::CXDataSource(SXSelection& sel_) : selection(sel_) {
xcb_get_property_cookie_t cookie = xcb_get_property(g_pXWayland->pWM->connection,
1, // delete
selection.window, HYPRATOMS["_WL_SELECTION"], XCB_GET_PROPERTY_TYPE_ANY, 0, 4096);
xcb_get_property_reply_t* reply = xcb_get_property_reply(g_pXWayland->pWM->connection, cookie, NULL);
if (!reply)
return;
if (reply->type != XCB_ATOM_ATOM) {
free(reply);
return;
}
auto value = (xcb_atom_t*)xcb_get_property_value(reply);
for (uint32_t i = 0; i < reply->value_len; i++) {
if (value[i] == HYPRATOMS["UTF8_STRING"])
mimeTypes.push_back("text/plain;charset=utf-8");
else if (value[i] == HYPRATOMS["TEXT"])
mimeTypes.push_back("text/plain");
else if (value[i] != HYPRATOMS["TARGETS"] && value[i] != HYPRATOMS["TIMESTAMP"]) {
auto type = g_pXWayland->pWM->mimeFromAtom(value[i]);
if (type == "INVALID")
continue;
mimeTypes.push_back(type);
}
mimeAtoms.push_back(value[i]);
}
free(reply);
}
std::vector<std::string> CXDataSource::mimes() {
return mimeTypes;
}
void CXDataSource::send(const std::string& mime, uint32_t fd) {
xcb_atom_t mimeAtom = 0;
for (size_t i = 0; i < mimeTypes.size(); ++i) {
if (mimeTypes.at(i) == mime) {
mimeAtom = mimeAtoms.at(i);
break;
}
}
if (!mimeAtom) {
Debug::log(ERR, "[XDataSource] mime atom not found");
close(fd);
return;
}
Debug::log(LOG, "[XDataSource] send with mime {} to fd {}", mime, fd);
selection.transfer = std::make_unique<SXTransfer>(selection);
selection.transfer->incomingWindow = xcb_generate_id(g_pXWayland->pWM->connection);
const uint32_t MASK = XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY | XCB_EVENT_MASK_PROPERTY_CHANGE;
xcb_create_window(g_pXWayland->pWM->connection, XCB_COPY_FROM_PARENT, selection.transfer->incomingWindow, g_pXWayland->pWM->screen->root, 0, 0, 10, 10, 0,
XCB_WINDOW_CLASS_INPUT_OUTPUT, g_pXWayland->pWM->screen->root_visual, XCB_CW_EVENT_MASK, &MASK);
xcb_convert_selection(g_pXWayland->pWM->connection, selection.transfer->incomingWindow, HYPRATOMS["CLIPBOARD"], mimeAtom, HYPRATOMS["_WL_SELECTION"], XCB_TIME_CURRENT_TIME);
xcb_flush(g_pXWayland->pWM->connection);
fcntl(fd, F_SETFL, O_WRONLY | O_NONBLOCK);
selection.transfer->wlFD = fd;
}
void CXDataSource::accepted(const std::string& mime) {
Debug::log(LOG, "[XDataSource] accepted is a stub");
}
void CXDataSource::cancelled() {
Debug::log(LOG, "[XDataSource] cancelled is a stub");
}
void CXDataSource::error(uint32_t code, const std::string& msg) {
Debug::log(LOG, "[XDataSource] error is a stub: err {}: {}", code, msg);
}
eDataSourceType CXDataSource::type() {
return DATA_SOURCE_TYPE_X11;
}
#endif

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src/xwayland/XDataSource.hpp Normal file
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#pragma once
#include "../protocols/types/DataDevice.hpp"
struct SXSelection;
class CXDataSource : public IDataSource {
public:
CXDataSource(SXSelection&);
virtual std::vector<std::string> mimes();
virtual void send(const std::string& mime, uint32_t fd);
virtual void accepted(const std::string& mime);
virtual void cancelled();
virtual void error(uint32_t code, const std::string& msg);
virtual eDataSourceType type();
private:
SXSelection& selection;
std::vector<std::string> mimeTypes; // these two have shared idx
std::vector<uint32_t> mimeAtoms; //
};

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src/xwayland/XSurface.cpp Normal file
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#include "XSurface.hpp"
#include "XWayland.hpp"
#include "../protocols/XWaylandShell.hpp"
#ifndef NO_XWAYLAND
#include "../Compositor.hpp"
#include <ranges>
CXWaylandSurface::CXWaylandSurface(uint32_t xID_, CBox geometry_, bool OR) : xID(xID_), geometry(geometry_), overrideRedirect(OR) {
xcb_res_query_client_ids_cookie_t client_id_cookie = {0};
if (g_pXWayland->pWM->xres) {
xcb_res_client_id_spec_t spec = {.client = xID, .mask = XCB_RES_CLIENT_ID_MASK_LOCAL_CLIENT_PID};
client_id_cookie = xcb_res_query_client_ids(g_pXWayland->pWM->connection, 1, &spec);
}
uint32_t values[1];
values[0] = XCB_EVENT_MASK_FOCUS_CHANGE | XCB_EVENT_MASK_PROPERTY_CHANGE;
xcb_change_window_attributes(g_pXWayland->pWM->connection, xID, XCB_CW_EVENT_MASK, values);
if (g_pXWayland->pWM->xres) {
xcb_res_query_client_ids_reply_t* reply = xcb_res_query_client_ids_reply(g_pXWayland->pWM->connection, client_id_cookie, nullptr);
if (!reply)
return;
uint32_t* ppid = nullptr;
xcb_res_client_id_value_iterator_t iter = xcb_res_query_client_ids_ids_iterator(reply);
while (iter.rem > 0) {
if (iter.data->spec.mask & XCB_RES_CLIENT_ID_MASK_LOCAL_CLIENT_PID && xcb_res_client_id_value_value_length(iter.data) > 0) {
ppid = xcb_res_client_id_value_value(iter.data);
break;
}
xcb_res_client_id_value_next(&iter);
}
if (ppid == NULL) {
free(reply);
return;
}
pid = *ppid;
free(reply);
}
events.resourceChange.registerStaticListener([this](void* data, std::any d) { ensureListeners(); }, nullptr);
}
void CXWaylandSurface::ensureListeners() {
bool connected = hyprListener_surfaceDestroy.isConnected();
if (connected && !surface) {
hyprListener_surfaceDestroy.removeCallback();
hyprListener_surfaceCommit.removeCallback();
} else if (!connected && surface) {
hyprListener_surfaceDestroy.initCallback(
&surface->events.destroy,
[this](void* owner, void* data) {
if (mapped)
unmap();
surface = nullptr;
hyprListener_surfaceDestroy.removeCallback();
hyprListener_surfaceCommit.removeCallback();
events.resourceChange.emit();
},
nullptr, "CXWaylandSurface");
hyprListener_surfaceCommit.initCallback(
&surface->events.commit,
[this](void* owner, void* data) {
if (surface->pending.buffer_width > 0 && surface->pending.buffer_height > 0 && !mapped) {
map();
return;
}
if (surface->pending.buffer_width <= 0 && surface->pending.buffer_height <= 0 && mapped) {
unmap();
return;
}
events.commit.emit();
},
nullptr, "CXWaylandSurface");
}
if (resource) {
listeners.destroyResource = resource->events.destroy.registerListener([this](std::any d) {
unmap();
surface = nullptr;
events.resourceChange.emit();
});
}
}
void CXWaylandSurface::map() {
if (mapped)
return;
ASSERT(surface);
g_pXWayland->pWM->mappedSurfaces.emplace_back(self);
g_pXWayland->pWM->mappedSurfacesStacking.emplace_back(self);
mapped = true;
wlr_surface_map(surface);
Debug::log(LOG, "XWayland surface {:x} mapping", (uintptr_t)this);
events.map.emit();
g_pXWayland->pWM->updateClientList();
}
void CXWaylandSurface::unmap() {
if (!mapped)
return;
ASSERT(surface);
std::erase(g_pXWayland->pWM->mappedSurfaces, self);
std::erase(g_pXWayland->pWM->mappedSurfacesStacking, self);
mapped = false;
wlr_surface_unmap(surface);
Debug::log(LOG, "XWayland surface {:x} unmapping", (uintptr_t)this);
events.unmap.emit();
g_pXWayland->pWM->updateClientList();
}
void CXWaylandSurface::considerMap() {
if (mapped)
return;
if (!surface) {
Debug::log(LOG, "XWayland surface: considerMap, nope, no surface");
return;
}
if (surface->pending.buffer_width > 0 && surface->pending.buffer_height > 0) {
Debug::log(LOG, "XWayland surface: considerMap, sure, we have a buffer");
map();
return;
}
Debug::log(LOG, "XWayland surface: considerMap, nope, we don't have a buffer");
}
bool CXWaylandSurface::wantsFocus() {
if (atoms.empty())
return true;
const std::array<uint32_t, 10> search = {
HYPRATOMS["_NET_WM_WINDOW_TYPE_COMBO"], HYPRATOMS["_NET_WM_WINDOW_TYPE_DND"], HYPRATOMS["_NET_WM_WINDOW_TYPE_DROPDOWN_MENU"],
HYPRATOMS["_NET_WM_WINDOW_TYPE_MENU"], HYPRATOMS["_NET_WM_WINDOW_TYPE_NOTIFICATION"], HYPRATOMS["_NET_WM_WINDOW_TYPE_POPUP_MENU"],
HYPRATOMS["_NET_WM_WINDOW_TYPE_SPLASH"], HYPRATOMS["_NET_WM_WINDOW_TYPE_DESKTOP"], HYPRATOMS["_NET_WM_WINDOW_TYPE_TOOLTIP"],
HYPRATOMS["_NET_WM_WINDOW_TYPE_UTILITY"],
};
for (auto& searched : search) {
for (auto& a : atoms) {
if (a == searched)
return false;
}
}
return true;
}
void CXWaylandSurface::configure(const CBox& box) {
Vector2D oldSize = geometry.size();
geometry = box;
uint32_t mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y | XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT | XCB_CONFIG_WINDOW_BORDER_WIDTH;
uint32_t values[] = {box.x, box.y, box.width, box.height, 0};
xcb_configure_window(g_pXWayland->pWM->connection, xID, mask, values);
g_pXWayland->pWM->updateClientList();
xcb_flush(g_pXWayland->pWM->connection);
}
void CXWaylandSurface::activate(bool activate) {
if (overrideRedirect && !activate)
return;
g_pXWayland->pWM->activateSurface(self.lock());
}
void CXWaylandSurface::setFullscreen(bool fs) {
fullscreen = fs;
g_pXWayland->pWM->sendState(self.lock());
}
void CXWaylandSurface::setMinimized(bool mz) {
minimized = mz;
g_pXWayland->pWM->sendState(self.lock());
}
void CXWaylandSurface::restackToTop() {
uint32_t values[1] = {XCB_STACK_MODE_ABOVE};
xcb_configure_window(g_pXWayland->pWM->connection, xID, XCB_CONFIG_WINDOW_STACK_MODE, values);
for (auto it = g_pXWayland->pWM->mappedSurfacesStacking.begin(); it != g_pXWayland->pWM->mappedSurfacesStacking.end(); ++it) {
if (*it == self) {
std::rotate(it, it + 1, g_pXWayland->pWM->mappedSurfacesStacking.end());
break;
}
}
g_pXWayland->pWM->updateClientList();
xcb_flush(g_pXWayland->pWM->connection);
}
void CXWaylandSurface::close() {
xcb_client_message_data_t msg = {0};
msg.data32[0] = HYPRATOMS["WM_DELETE_WINDOW"];
msg.data32[1] = XCB_CURRENT_TIME;
g_pXWayland->pWM->sendWMMessage(self.lock(), &msg, XCB_EVENT_MASK_NO_EVENT);
}
void CXWaylandSurface::setWithdrawn(bool withdrawn_) {
withdrawn = withdrawn_;
std::vector<uint32_t> props = {XCB_ICCCM_WM_STATE_NORMAL, XCB_WINDOW_NONE};
if (withdrawn)
props[0] = XCB_ICCCM_WM_STATE_WITHDRAWN;
else if (minimized)
props[0] = XCB_ICCCM_WM_STATE_ICONIC;
else
props[0] = XCB_ICCCM_WM_STATE_NORMAL;
xcb_change_property(g_pXWayland->pWM->connection, XCB_PROP_MODE_REPLACE, xID, HYPRATOMS["WM_STATE"], HYPRATOMS["WM_STATE"], 32, props.size(), props.data());
}
#else
CXWaylandSurface::CXWaylandSurface(uint32_t xID_, CBox geometry_, bool OR) : xID(xID_), geometry(geometry_), overrideRedirect(OR) {
;
}
void CXWaylandSurface::ensureListeners() {
;
}
void CXWaylandSurface::map() {
;
}
void CXWaylandSurface::unmap() {
;
}
bool CXWaylandSurface::wantsFocus() {
return false;
}
void CXWaylandSurface::configure(const CBox& box) {
;
}
void CXWaylandSurface::activate(bool activate) {
;
}
void CXWaylandSurface::setFullscreen(bool fs) {
;
}
void CXWaylandSurface::setMinimized(bool mz) {
;
}
void CXWaylandSurface::restackToTop() {
;
}
void CXWaylandSurface::close() {
;
}
void CXWaylandSurface::considerMap() {
;
}
void CXWaylandSurface::setWithdrawn(bool withdrawn) {
;
}
#endif

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#pragma once
#include "../helpers/WLListener.hpp"
#include "../helpers/signal/Signal.hpp"
#include "../helpers/Box.hpp"
#include <vector>
struct wlr_surface;
class CXWaylandSurfaceResource;
#ifdef NO_XWAYLAND
typedef uint32_t xcb_pixmap_t;
typedef uint32_t xcb_window_t;
typedef struct {
int32_t flags;
uint32_t input;
int32_t initial_state;
xcb_pixmap_t icon_pixmap;
xcb_window_t icon_window;
int32_t icon_x, icon_y;
xcb_pixmap_t icon_mask;
xcb_window_t window_group;
} xcb_icccm_wm_hints_t;
typedef struct {
uint32_t flags;
int32_t x, y;
int32_t width, height;
int32_t min_width, min_height;
int32_t max_width, max_height;
int32_t width_inc, height_inc;
int32_t min_aspect_num, min_aspect_den;
int32_t max_aspect_num, max_aspect_den;
int32_t base_width, base_height;
uint32_t win_gravity;
} xcb_size_hints_t;
#else
#include <xcb/xcb_icccm.h>
#endif
class CXWaylandSurface {
public:
wlr_surface* surface = nullptr;
WP<CXWaylandSurfaceResource> resource;
struct {
CSignal stateChanged; // maximized, fs, minimized, etc.
CSignal metadataChanged; // title, appid
CSignal destroy;
CSignal resourceChange; // associated / dissociated
CSignal setGeometry;
CSignal configure; // CBox
CSignal map;
CSignal unmap;
CSignal commit;
CSignal activate;
} events;
struct {
std::string title;
std::string appid;
// volatile state: is reset after the stateChanged signal fires
std::optional<bool> requestsMaximize;
std::optional<bool> requestsFullscreen;
std::optional<bool> requestsMinimize;
} state;
uint32_t xID = 0;
uint64_t wlID = 0;
uint64_t wlSerial = 0;
pid_t pid = 0;
CBox geometry;
bool overrideRedirect = false;
bool withdrawn = false;
bool fullscreen = false;
bool maximized = false;
bool minimized = false;
bool mapped = false;
bool modal = false;
WP<CXWaylandSurface> parent;
WP<CXWaylandSurface> self;
std::vector<WP<CXWaylandSurface>> children;
UP<xcb_icccm_wm_hints_t> hints;
UP<xcb_size_hints_t> sizeHints;
std::vector<uint32_t> atoms;
std::string role = "";
bool transient = false;
bool wantsFocus();
void configure(const CBox& box);
void activate(bool activate);
void setFullscreen(bool fs);
void setMinimized(bool mz);
void restackToTop();
void close();
private:
CXWaylandSurface(uint32_t xID, CBox geometry, bool OR);
void ensureListeners();
void map();
void unmap();
void considerMap();
void setWithdrawn(bool withdrawn);
DYNLISTENER(surfaceDestroy);
DYNLISTENER(surfaceCommit);
struct {
CHyprSignalListener destroyResource;
} listeners;
friend class CXWM;
};

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#pragma once
#include "../helpers/signal/Listener.hpp"
#include "../helpers/WLListener.hpp"
#include "../macros.hpp"
#include "XDataSource.hpp"
#include <xcb/xcb.h>
#include <xcb/xcb_errors.h>
#include <xcb/composite.h>
#include <xcb/xfixes.h>
#include <xcb/res.h>
struct wl_event_source;
class CXWaylandSurfaceResource;
struct SXSelection;
struct SXTransfer {
~SXTransfer();
SXSelection& selection;
bool out = true;
bool incremental = false;
bool flushOnDelete = false;
bool propertySet = false;
int wlFD = -1;
wl_event_source* eventSource = nullptr;
std::vector<uint8_t> data;
xcb_selection_request_event_t request;
int propertyStart;
xcb_get_property_reply_t* propertyReply;
xcb_window_t incomingWindow;
bool getIncomingSelectionProp(bool erase);
};
struct SXSelection {
xcb_window_t window = 0;
xcb_window_t owner = 0;
xcb_timestamp_t timestamp = 0;
SP<CXDataSource> dataSource;
void onSelection();
bool sendData(xcb_selection_request_event_t* e, std::string mime);
int onRead(int fd, uint32_t mask);
struct {
CHyprSignalListener setSelection;
} listeners;
std::unique_ptr<SXTransfer> transfer;
};
class CXWM {
public:
CXWM();
int onEvent(int fd, uint32_t mask);
private:
void setCursor(unsigned char* pixData, uint32_t stride, const Vector2D& size, const Vector2D& hotspot);
void gatherResources();
void getVisual();
void getRenderFormat();
void createWMWindow();
void initSelection();
void onNewSurface(wlr_surface* surf);
void onNewResource(SP<CXWaylandSurfaceResource> resource);
void setActiveWindow(xcb_window_t window);
void sendState(SP<CXWaylandSurface> surf);
void focusWindow(SP<CXWaylandSurface> surf);
void activateSurface(SP<CXWaylandSurface> surf);
bool isWMWindow(xcb_window_t w);
void sendWMMessage(SP<CXWaylandSurface> surf, xcb_client_message_data_t* data, uint32_t mask);
SP<CXWaylandSurface> windowForXID(xcb_window_t wid);
void readWindowData(SP<CXWaylandSurface> surf);
void associate(SP<CXWaylandSurface> surf, wlr_surface* wlSurf);
void dissociate(SP<CXWaylandSurface> surf);
void updateClientList();
// event handlers
void handleCreate(xcb_create_notify_event_t* e);
void handleDestroy(xcb_destroy_notify_event_t* e);
void handleConfigure(xcb_configure_request_event_t* e);
void handleConfigureNotify(xcb_configure_notify_event_t* e);
void handleMapRequest(xcb_map_request_event_t* e);
void handleMapNotify(xcb_map_notify_event_t* e);
void handleUnmapNotify(xcb_unmap_notify_event_t* e);
void handlePropertyNotify(xcb_property_notify_event_t* e);
void handleClientMessage(xcb_client_message_event_t* e);
void handleFocusIn(xcb_focus_in_event_t* e);
void handleError(xcb_value_error_t* e);
bool handleSelectionEvent(xcb_generic_event_t* e);
void handleSelectionNotify(xcb_selection_notify_event_t* e);
bool handleSelectionPropertyNotify(xcb_property_notify_event_t* e);
void handleSelectionRequest(xcb_selection_request_event_t* e);
bool handleSelectionXFixesNotify(xcb_xfixes_selection_notify_event_t* e);
void selectionSendNotify(xcb_selection_request_event_t* e, bool success);
xcb_atom_t mimeToAtom(const std::string& mime);
std::string mimeFromAtom(xcb_atom_t atom);
void setClipboardToWayland(SXSelection& sel);
void getTransferData(SXSelection& sel);
void readProp(SP<CXWaylandSurface> XSURF, uint32_t atom, xcb_get_property_reply_t* reply);
//
xcb_connection_t* connection = nullptr;
xcb_errors_context_t* errors = nullptr;
xcb_screen_t* screen = nullptr;
xcb_window_t wmWindow;
wl_event_source* eventSource = nullptr;
const xcb_query_extension_reply_t* xfixes = nullptr;
const xcb_query_extension_reply_t* xres = nullptr;
int xfixesMajor = 0;
xcb_visualid_t visual_id;
xcb_colormap_t colormap;
uint32_t cursorXID = 0;
xcb_render_pictformat_t render_format_id;
std::vector<WP<CXWaylandSurfaceResource>> shellResources;
std::vector<SP<CXWaylandSurface>> surfaces;
std::vector<WP<CXWaylandSurface>> mappedSurfaces; // ordered by map time
std::vector<WP<CXWaylandSurface>> mappedSurfacesStacking; // ordered by stacking
WP<CXWaylandSurface> focusedSurface;
uint64_t lastFocusSeq = 0;
SXSelection clipboard;
DYNLISTENER(newSurface);
struct {
CHyprSignalListener newXShellSurface;
} listeners;
friend class CXWaylandSurface;
friend class CXWayland;
friend class CXDataSource;
friend struct SXSelection;
friend struct SXTransfer;
};

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#include "XWayland.hpp"
#include "../debug/Log.hpp"
CXWayland::CXWayland() {
#ifndef NO_XWAYLAND
Debug::log(LOG, "Starting up the XWayland server");
pServer = std::make_unique<CXWaylandServer>();
if (!pServer->create()) {
Debug::log(ERR, "XWayland failed to start: it will not work.");
return;
}
#else
Debug::log(LOG, "Not starting XWayland: disabled at compile time");
#endif
}
void CXWayland::setCursor(unsigned char* pixData, uint32_t stride, const Vector2D& size, const Vector2D& hotspot) {
#ifndef NO_XWAYLAND
if (!pWM) {
Debug::log(ERR, "Couldn't set XCursor: no XWM yet");
return;
}
pWM->setCursor(pixData, stride, size, hotspot);
#endif
}

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#pragma once
#include <memory>
#include "../helpers/signal/Signal.hpp"
#include "XSurface.hpp"
#ifndef NO_XWAYLAND
#include "Server.hpp"
#include "XWM.hpp"
#else
class CXWaylandServer;
class CXWM;
#endif
class CXWayland {
public:
CXWayland();
#ifndef NO_XWAYLAND
std::unique_ptr<CXWaylandServer> pServer;
std::unique_ptr<CXWM> pWM;
#endif
void setCursor(unsigned char* pixData, uint32_t stride, const Vector2D& size, const Vector2D& hotspot);
struct {
CSignal newSurface;
} events;
};
inline std::unique_ptr<CXWayland> g_pXWayland;
#define HYPRATOM(name) \
{ name, 0 }
inline std::unordered_map<std::string, uint32_t> HYPRATOMS = {
HYPRATOM("_NET_SUPPORTED"),
HYPRATOM("_NET_SUPPORTING_WM_CHECK"),
HYPRATOM("_NET_WM_NAME"),
HYPRATOM("_NET_WM_VISIBLE_NAME"),
HYPRATOM("_NET_WM_MOVERESIZE"),
HYPRATOM("_NET_WM_STATE_STICKY"),
HYPRATOM("_NET_WM_STATE_FULLSCREEN"),
HYPRATOM("_NET_WM_STATE_DEMANDS_ATTENTION"),
HYPRATOM("_NET_WM_STATE_MODAL"),
HYPRATOM("_NET_WM_STATE_HIDDEN"),
HYPRATOM("_NET_WM_STATE_FOCUSED"),
HYPRATOM("_NET_WM_STATE"),
HYPRATOM("_NET_WM_WINDOW_TYPE"),
HYPRATOM("_NET_WM_WINDOW_TYPE_NORMAL"),
HYPRATOM("_NET_WM_WINDOW_TYPE_DOCK"),
HYPRATOM("_NET_WM_WINDOW_TYPE_DIALOG"),
HYPRATOM("_NET_WM_WINDOW_TYPE_UTILITY"),
HYPRATOM("_NET_WM_WINDOW_TYPE_TOOLBAR"),
HYPRATOM("_NET_WM_WINDOW_TYPE_SPLASH"),
HYPRATOM("_NET_WM_WINDOW_TYPE_MENU"),
HYPRATOM("_NET_WM_WINDOW_TYPE_DROPDOWN_MENU"),
HYPRATOM("_NET_WM_WINDOW_TYPE_POPUP_MENU"),
HYPRATOM("_NET_WM_WINDOW_TYPE_TOOLTIP"),
HYPRATOM("_NET_WM_WINDOW_TYPE_NOTIFICATION"),
HYPRATOM("_NET_WM_WINDOW_TYPE_COMBO"),
HYPRATOM("_NET_WM_WINDOW_TYPE_DND"),
HYPRATOM("_NET_WM_WINDOW_TYPE_DESKTOP"),
HYPRATOM("_NET_WM_STATE_MAXIMIZED_HORZ"),
HYPRATOM("_NET_WM_STATE_MAXIMIZED_VERT"),
HYPRATOM("_NET_WM_DESKTOP"),
HYPRATOM("_NET_WM_STRUT_PARTIAL"),
HYPRATOM("_NET_CLIENT_LIST"),
HYPRATOM("_NET_CLIENT_LIST_STACKING"),
HYPRATOM("_NET_CURRENT_DESKTOP"),
HYPRATOM("_NET_NUMBER_OF_DESKTOPS"),
HYPRATOM("_NET_DESKTOP_NAMES"),
HYPRATOM("_NET_DESKTOP_VIEWPORT"),
HYPRATOM("_NET_ACTIVE_WINDOW"),
HYPRATOM("_NET_CLOSE_WINDOW"),
HYPRATOM("_NET_MOVERESIZE_WINDOW"),
HYPRATOM("_NET_WM_USER_TIME"),
HYPRATOM("_NET_STARTUP_ID"),
HYPRATOM("_NET_WORKAREA"),
HYPRATOM("_NET_WM_ICON"),
HYPRATOM("_NET_WM_CM_S0"),
HYPRATOM("WM_PROTOCOLS"),
HYPRATOM("WM_HINTS"),
HYPRATOM("WM_DELETE_WINDOW"),
HYPRATOM("UTF8_STRING"),
HYPRATOM("WM_STATE"),
HYPRATOM("WM_CLIENT_LEADER"),
HYPRATOM("WM_TAKE_FOCUS"),
HYPRATOM("WM_NORMAL_HINTS"),
HYPRATOM("WM_SIZE_HINTS"),
HYPRATOM("WM_WINDOW_ROLE"),
HYPRATOM("_NET_REQUEST_FRAME_EXTENTS"),
HYPRATOM("_NET_FRAME_EXTENTS"),
HYPRATOM("_MOTIF_WM_HINTS"),
HYPRATOM("WM_CHANGE_STATE"),
HYPRATOM("_NET_SYSTEM_TRAY_OPCODE"),
HYPRATOM("_NET_SYSTEM_TRAY_COLORS"),
HYPRATOM("_NET_SYSTEM_TRAY_VISUAL"),
HYPRATOM("_NET_SYSTEM_TRAY_ORIENTATION"),
HYPRATOM("_XEMBED_INFO"),
HYPRATOM("MANAGER"),
HYPRATOM("XdndSelection"),
HYPRATOM("XdndAware"),
HYPRATOM("XdndStatus"),
HYPRATOM("XdndPosition"),
HYPRATOM("XdndEnter"),
HYPRATOM("XdndLeave"),
HYPRATOM("XdndDrop"),
HYPRATOM("XdndFinished"),
HYPRATOM("XdndProxy"),
HYPRATOM("XdndTypeList"),
HYPRATOM("XdndActionMove"),
HYPRATOM("XdndActionCopy"),
HYPRATOM("XdndActionAsk"),
HYPRATOM("XdndActionPrivate"),
HYPRATOM("CLIPBOARD"),
HYPRATOM("PRIMARY"),
HYPRATOM("_WL_SELECTION"),
HYPRATOM("CLIPBOARD_MANAGER"),
HYPRATOM("WINDOW"),
HYPRATOM("WM_S0"),
HYPRATOM("WL_SURFACE_ID"),
HYPRATOM("WL_SURFACE_SERIAL"),
HYPRATOM("TARGETS"),
HYPRATOM("TIMESTAMP"),
HYPRATOM("DELETE"),
HYPRATOM("TEXT"),
HYPRATOM("INCR"),
};