tdesktop/Telegram/SourceFiles/platform/linux/specific_linux.cpp

946 lines
24 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.
For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
*/
#include "platform/linux/specific_linux.h"
#include "base/random.h"
#include "base/platform/base_platform_info.h"
#include "ui/platform/linux/ui_linux_wayland_integration.h"
#include "platform/linux/linux_desktop_environment.h"
#include "platform/linux/linux_wayland_integration.h"
#include "base/qt_adapters.h"
#include "lang/lang_keys.h"
#include "mainwindow.h"
#include "storage/localstorage.h"
#include "core/sandbox.h"
#include "core/application.h"
#include "core/core_settings.h"
#include "core/update_checker.h"
#include "window/window_controller.h"
#ifndef DESKTOP_APP_DISABLE_DBUS_INTEGRATION
#include "base/platform/linux/base_linux_glibmm_helper.h"
#include "base/platform/linux/base_linux_dbus_utilities.h"
#include "base/platform/linux/base_linux_xdp_utilities.h"
#include "platform/linux/linux_xdp_file_dialog.h"
#endif // !DESKTOP_APP_DISABLE_DBUS_INTEGRATION
#ifndef DESKTOP_APP_DISABLE_X11_INTEGRATION
#include "base/platform/linux/base_linux_xcb_utilities.h"
#include "base/platform/linux/base_linux_xsettings.h"
#endif // !DESKTOP_APP_DISABLE_X11_INTEGRATION
#ifndef DESKTOP_APP_DISABLE_WEBKITGTK
#include "webview/platform/linux/webview_linux_webkit2gtk.h"
#endif // !DESKTOP_APP_DISABLE_WEBKITGTK
#include <QtWidgets/QApplication>
#include <QtWidgets/QStyle>
#include <QtWidgets/QDesktopWidget>
#include <QtCore/QStandardPaths>
#include <QtCore/QProcess>
#include <QtGui/QWindow>
#include <private/qguiapplication_p.h>
#ifdef Q_OS_FREEBSD
#include <malloc_np.h>
#else // Q_OS_FREEBSD
#include <jemalloc/jemalloc.h>
#endif // Q_OS_FREEBSD
#ifndef DESKTOP_APP_DISABLE_DBUS_INTEGRATION
#include <glibmm.h>
#include <giomm.h>
#endif // !DESKTOP_APP_DISABLE_DBUS_INTEGRATION
#include <sys/stat.h>
#include <sys/types.h>
#ifdef Q_OS_LINUX
#include <sys/sendfile.h>
#endif // Q_OS_LINUX
#include <cstdlib>
#include <unistd.h>
#include <dirent.h>
#include <pwd.h>
#include <iostream>
using namespace Platform;
using UiWaylandIntegration = Ui::Platform::WaylandIntegration;
using Platform::internal::WaylandIntegration;
namespace Platform {
namespace {
constexpr auto kDesktopFile = ":/misc/telegramdesktop.desktop"_cs;
constexpr auto kIconName = "telegram"_cs;
constexpr auto kDarkColorLimit = 192;
constexpr auto kXDGDesktopPortalService = "org.freedesktop.portal.Desktop"_cs;
constexpr auto kXDGDesktopPortalObjectPath = "/org/freedesktop/portal/desktop"_cs;
constexpr auto kIBusPortalService = "org.freedesktop.portal.IBus"_cs;
constexpr auto kWebviewService = "org.telegram.desktop.GtkIntegration.WebviewHelper-%1-%2"_cs;
#ifndef DESKTOP_APP_DISABLE_DBUS_INTEGRATION
void PortalAutostart(bool start, bool silent) {
if (cExeName().isEmpty()) {
return;
}
try {
const auto connection = Gio::DBus::Connection::get_sync(
Gio::DBus::BusType::BUS_TYPE_SESSION);
const auto parentWindowId = [&]() -> Glib::ustring {
std::stringstream result;
const auto activeWindow = Core::App().activeWindow();
if (!activeWindow) {
return result.str();
}
const auto window = activeWindow->widget()->windowHandle();
if (const auto integration = WaylandIntegration::Instance()) {
if (const auto handle = integration->nativeHandle(window)
; !handle.isEmpty()) {
result << "wayland:" << handle.toStdString();
}
} else if (IsX11()) {
result << "x11:" << std::hex << window->winId();
}
return result.str();
}();
const auto handleToken = Glib::ustring("tdesktop")
+ std::to_string(base::RandomValue<uint>());
std::map<Glib::ustring, Glib::VariantBase> options;
options["handle_token"] = Glib::Variant<Glib::ustring>::create(
handleToken);
options["reason"] = Glib::Variant<Glib::ustring>::create(
tr::lng_settings_auto_start(tr::now).toStdString());
options["autostart"] = Glib::Variant<bool>::create(start);
options["commandline"] = Glib::Variant<std::vector<
Glib::ustring
>>::create({
cExeName().toStdString(),
"-workdir",
cWorkingDir().toStdString(),
"-autostart",
});
options["dbus-activatable"] = Glib::Variant<bool>::create(false);
auto uniqueName = connection->get_unique_name();
uniqueName.erase(0, 1);
uniqueName.replace(uniqueName.find('.'), 1, 1, '_');
const auto requestPath = Glib::ustring(
"/org/freedesktop/portal/desktop/request/")
+ uniqueName
+ '/'
+ handleToken;
const auto context = Glib::MainContext::create();
const auto loop = Glib::MainLoop::create(context);
g_main_context_push_thread_default(context->gobj());
const auto contextGuard = gsl::finally([&] {
g_main_context_pop_thread_default(context->gobj());
});
const auto signalId = connection->signal_subscribe(
[&](
const Glib::RefPtr<Gio::DBus::Connection> &connection,
const Glib::ustring &sender_name,
const Glib::ustring &object_path,
const Glib::ustring &interface_name,
const Glib::ustring &signal_name,
const Glib::VariantContainerBase &parameters) {
try {
auto parametersCopy = parameters;
const auto response = base::Platform::GlibVariantCast<
uint>(parametersCopy.get_child(0));
if (response && !silent) {
LOG(("Portal Autostart Error: Request denied"));
}
} catch (const std::exception &e) {
if (!silent) {
LOG(("Portal Autostart Error: %1").arg(
QString::fromStdString(e.what())));
}
}
loop->quit();
},
std::string(kXDGDesktopPortalService),
"org.freedesktop.portal.Request",
"Response",
requestPath);
const auto signalGuard = gsl::finally([&] {
if (signalId != 0) {
connection->signal_unsubscribe(signalId);
}
});
connection->call_sync(
std::string(kXDGDesktopPortalObjectPath),
"org.freedesktop.portal.Background",
"RequestBackground",
base::Platform::MakeGlibVariant(std::tuple{
parentWindowId,
options,
}),
std::string(kXDGDesktopPortalService));
if (signalId != 0) {
QWindow window;
QGuiApplicationPrivate::showModalWindow(&window);
loop->run();
QGuiApplicationPrivate::hideModalWindow(&window);
}
} catch (const Glib::Error &e) {
if (!silent) {
LOG(("Portal Autostart Error: %1").arg(
QString::fromStdString(e.what())));
}
}
}
bool IsIBusPortalPresent() {
static const auto Result = [&] {
try {
const auto connection = Gio::DBus::Connection::get_sync(
Gio::DBus::BusType::BUS_TYPE_SESSION);
const auto serviceRegistered = base::Platform::DBus::NameHasOwner(
connection,
std::string(kIBusPortalService));
const auto serviceActivatable = ranges::contains(
base::Platform::DBus::ListActivatableNames(connection),
Glib::ustring(std::string(kIBusPortalService)));
return serviceRegistered || serviceActivatable;
} catch (...) {
}
return false;
}();
return Result;
}
#endif // !DESKTOP_APP_DISABLE_DBUS_INTEGRATION
QByteArray EscapeShell(const QByteArray &content) {
auto result = QByteArray();
auto b = content.constData(), e = content.constEnd();
for (auto ch = b; ch != e; ++ch) {
if (*ch == ' ' || *ch == '"' || *ch == '\'' || *ch == '\\') {
if (result.isEmpty()) {
result.reserve(content.size() * 2);
}
if (ch > b) {
result.append(b, ch - b);
}
result.append('\\');
b = ch;
}
}
if (result.isEmpty()) {
return content;
}
if (e > b) {
result.append(b, e - b);
}
return result;
}
QString EscapeShellInLauncher(const QString &content) {
return EscapeShell(content.toUtf8()).replace('\\', "\\\\");
}
QString FlatpakID() {
static const auto Result = [] {
if (!qEnvironmentVariableIsEmpty("FLATPAK_ID")) {
return qEnvironmentVariable("FLATPAK_ID");
} else {
return cExeName();
}
}();
return Result;
}
bool GenerateDesktopFile(
const QString &targetPath,
const QString &args,
bool silent = false) {
if (targetPath.isEmpty() || cExeName().isEmpty()) {
return false;
}
DEBUG_LOG(("App Info: placing .desktop file to %1").arg(targetPath));
if (!QDir(targetPath).exists()) QDir().mkpath(targetPath);
const auto sourceFile = kDesktopFile.utf16();
const auto targetFile = targetPath + QGuiApplication::desktopFileName();
QString fileText;
QFile source(sourceFile);
if (source.open(QIODevice::ReadOnly)) {
QTextStream s(&source);
fileText = s.readAll();
source.close();
} else {
if (!silent) {
LOG(("App Error: Could not open '%1' for read").arg(sourceFile));
}
return false;
}
QFile target(targetFile);
if (target.open(QIODevice::WriteOnly)) {
fileText = fileText.replace(
QRegularExpression(
qsl("^TryExec=.*$"),
QRegularExpression::MultilineOption),
qsl("TryExec=%1").arg(
QString(cExeDir() + cExeName()).replace('\\', "\\\\")));
fileText = fileText.replace(
QRegularExpression(
qsl("^Exec=telegram-desktop(.*)$"),
QRegularExpression::MultilineOption),
qsl("Exec=%1 -workdir %2\\1").arg(
EscapeShellInLauncher(cExeDir() + cExeName()),
EscapeShellInLauncher(cWorkingDir())));
fileText = fileText.replace(
QRegularExpression(
qsl("^Exec=(.*) -- %u$"),
QRegularExpression::MultilineOption),
qsl("Exec=\\1%1").arg(
args.isEmpty() ? QString() : ' ' + args));
target.write(fileText.toUtf8());
target.close();
if (!Core::UpdaterDisabled()) {
DEBUG_LOG(("App Info: removing old .desktop files"));
QFile::remove(qsl("%1telegram.desktop").arg(targetPath));
QFile::remove(qsl("%1telegramdesktop.desktop").arg(targetPath));
}
return true;
} else {
if (!silent) {
LOG(("App Error: Could not open '%1' for write").arg(targetFile));
}
return false;
}
}
} // namespace
void SetApplicationIcon(const QIcon &icon) {
QApplication::setWindowIcon(icon);
}
bool InFlatpak() {
static const auto Result = QFileInfo::exists(qsl("/.flatpak-info"));
return Result;
}
bool InSnap() {
static const auto Result = qEnvironmentVariableIsSet("SNAP");
return Result;
}
QString AppRuntimeDirectory() {
static const auto Result = [&] {
auto runtimeDir = QStandardPaths::writableLocation(
QStandardPaths::RuntimeLocation);
if (InFlatpak()) {
runtimeDir += qsl("/app/") + FlatpakID();
}
if (!QFileInfo::exists(runtimeDir)) { // non-systemd distros
runtimeDir = QDir::tempPath();
}
if (!runtimeDir.endsWith('/')) {
runtimeDir += '/';
}
return runtimeDir;
}();
return Result;
}
QString SingleInstanceLocalServerName(const QString &hash) {
const auto idealSocketPath = AppRuntimeDirectory()
+ hash
+ '-'
+ cGUIDStr();
if (idealSocketPath.size() >= 108) {
return AppRuntimeDirectory() + hash;
} else {
return idealSocketPath;
}
}
QString GetIconName() {
static const auto Result = InFlatpak()
? FlatpakID()
: kIconName.utf16();
return Result;
}
std::optional<bool> IsDarkMode() {
[[maybe_unused]] static const auto Inited = [] {
static const auto Setter = [] {
crl::on_main([] {
Core::App().settings().setSystemDarkMode(IsDarkMode());
});
};
QObject::connect(
qGuiApp,
&QGuiApplication::paletteChanged,
Setter);
#ifndef DESKTOP_APP_DISABLE_X11_INTEGRATION
using base::Platform::XCB::XSettings;
if (const auto xSettings = XSettings::Instance()) {
xSettings->registerCallbackForProperty("Net/ThemeName", [](
xcb_connection_t *,
const QByteArray &,
const QVariant &,
void *) {
Setter();
}, nullptr);
}
#endif // !DESKTOP_APP_DISABLE_X11_INTEGRATION
#ifndef DESKTOP_APP_DISABLE_DBUS_INTEGRATION
using XDPSettingWatcher = base::Platform::XDP::SettingWatcher;
static const XDPSettingWatcher GtkThemeWatcher(
[=](
const Glib::ustring &group,
const Glib::ustring &key,
const Glib::VariantBase &value) {
if (group == "org.gnome.desktop.interface"
&& key == "gtk-theme") {
Setter();
}
});
static const XDPSettingWatcher KdeColorSchemeWatcher(
[=](
const Glib::ustring &group,
const Glib::ustring &key,
const Glib::VariantBase &value) {
if (group == "org.kde.kdeglobals.General"
&& key == "ColorScheme") {
Setter();
}
});
#endif // !DESKTOP_APP_DISABLE_DBUS_INTEGRATION
return true;
}();
std::optional<bool> result;
const auto styleName = QApplication::style()->metaObject()->className();
if (styleName != qstr("QFusionStyle")
&& styleName != qstr("QWindowsStyle")) {
result = false;
const auto paletteBackgroundGray = qGray(
QPalette().color(QPalette::Window).rgb());
if (paletteBackgroundGray < kDarkColorLimit) {
result = true;
return result;
}
}
#ifndef DESKTOP_APP_DISABLE_X11_INTEGRATION
using base::Platform::XCB::XSettings;
if (const auto xSettings = XSettings::Instance()) {
const auto gtkThemeX = xSettings->setting("Net/ThemeName");
if (gtkThemeX.isValid()) {
result = false;
if (gtkThemeX.toString().contains(
qsl("-dark"),
Qt::CaseInsensitive)) {
result = true;
return result;
}
}
}
#endif // !DESKTOP_APP_DISABLE_X11_INTEGRATION
#ifndef DESKTOP_APP_DISABLE_DBUS_INTEGRATION
try {
using namespace base::Platform::XDP;
const auto gtkThemePortal = ReadSetting(
"org.gnome.desktop.interface",
"gtk-theme");
if (gtkThemePortal.has_value()) {
const auto gtkThemePortalString = QString::fromStdString(
base::Platform::GlibVariantCast<Glib::ustring>(
*gtkThemePortal));
result = false;
if (gtkThemePortalString.contains(
qsl("-dark"),
Qt::CaseInsensitive)) {
result = true;
return result;
}
}
} catch (...) {
}
try {
using namespace base::Platform::XDP;
const auto kdeBackgroundColorOptional = ReadSetting(
"org.kde.kdeglobals.Colors:Window",
"BackgroundNormal");
if (kdeBackgroundColorOptional.has_value()) {
const auto kdeBackgroundColorList = QString::fromStdString(
base::Platform::GlibVariantCast<Glib::ustring>(
*kdeBackgroundColorOptional)).split(',');
if (kdeBackgroundColorList.size() >= 3) {
result = false;
const auto kdeBackgroundGray = qGray(
kdeBackgroundColorList[0].toInt(),
kdeBackgroundColorList[1].toInt(),
kdeBackgroundColorList[2].toInt());
if (kdeBackgroundGray < kDarkColorLimit) {
result = true;
return result;
}
}
}
} catch (...) {
}
#endif // !DESKTOP_APP_DISABLE_DBUS_INTEGRATION
return result;
}
bool AutostartSupported() {
// snap sandbox doesn't allow creating files
// in folders with names started with a dot
// and doesn't provide any api to add an app to autostart
// thus, autostart isn't supported in snap
return !InSnap();
}
bool TrayIconSupported() {
return App::wnd()
? App::wnd()->trayAvailable()
: false;
}
bool SkipTaskbarSupported() {
if (const auto integration = WaylandIntegration::Instance()) {
return integration->skipTaskbarSupported();
}
#ifndef DESKTOP_APP_DISABLE_X11_INTEGRATION
if (IsX11()) {
return base::Platform::XCB::IsSupportedByWM(
"_NET_WM_STATE_SKIP_TASKBAR");
}
#endif // !DESKTOP_APP_DISABLE_X11_INTEGRATION
return false;
}
} // namespace Platform
void psActivateProcess(uint64 pid) {
// objc_activateProgram();
}
namespace {
#ifdef __HAIKU__
void HaikuAutostart(bool start) {
const auto home = QDir::homePath();
if (home.isEmpty()) {
return;
}
QFile file(home + "/config/settings/boot/launch/telegram-desktop");
if (start) {
if (file.open(QIODevice::WriteOnly | QIODevice::Text)) {
QTextStream out(&file);
out
<< "#!/bin/bash" << Qt::endl
<< "cd /system/apps" << Qt::endl
<< "./Telegram -autostart" << " &" << Qt::endl;
file.close();
file.setPermissions(file.permissions()
| QFileDevice::ExeOwner
| QFileDevice::ExeGroup
| QFileDevice::ExeOther);
}
} else {
file.remove();
}
}
#endif // __HAIKU__
} // namespace
QString psAppDataPath() {
// Previously we used ~/.TelegramDesktop, so look there first.
// If we find data there, we should still use it.
auto home = QDir::homePath();
if (!home.isEmpty()) {
auto oldPath = home + qsl("/.TelegramDesktop/");
auto oldSettingsBase = oldPath + qsl("tdata/settings");
if (QFile::exists(oldSettingsBase + '0')
|| QFile::exists(oldSettingsBase + '1')
|| QFile::exists(oldSettingsBase + 's')) {
return oldPath;
}
}
return QStandardPaths::writableLocation(QStandardPaths::AppLocalDataLocation) + '/';
}
void psDoCleanup() {
try {
psAutoStart(false, true);
psSendToMenu(false, true);
} catch (...) {
}
}
int psCleanup() {
psDoCleanup();
return 0;
}
void psDoFixPrevious() {
}
int psFixPrevious() {
psDoFixPrevious();
return 0;
}
namespace Platform {
void start() {
auto backgroundThread = true;
mallctl("background_thread", nullptr, nullptr, &backgroundThread, sizeof(bool));
// Prevent any later calls into setlocale() by Qt
QCoreApplicationPrivate::initLocale();
LOG(("Launcher filename: %1").arg(QGuiApplication::desktopFileName()));
#ifndef DESKTOP_APP_DISABLE_WAYLAND_INTEGRATION
qputenv("QT_WAYLAND_SHELL_INTEGRATION", "desktop-app-xdg-shell;xdg-shell;wl-shell");
#endif // !DESKTOP_APP_DISABLE_WAYLAND_INTEGRATION
qputenv("PULSE_PROP_application.name", AppName.utf8());
qputenv("PULSE_PROP_application.icon_name", GetIconName().toLatin1());
#ifndef DESKTOP_APP_DISABLE_DBUS_INTEGRATION
Glib::set_prgname(cExeName().toStdString());
Glib::set_application_name(std::string(AppName));
#ifdef DESKTOP_APP_USE_PACKAGED_RLOTTIE
g_warning(
"Application has been built with foreign rlottie, "
"animated emojis won't be colored to the selected pack.");
#endif // DESKTOP_APP_USE_PACKAGED_RLOTTIE
#ifdef DESKTOP_APP_USE_PACKAGED_FONTS
g_warning(
"Application was built without embedded fonts, "
"this may lead to font issues.");
#endif // DESKTOP_APP_USE_PACKAGED_FONTS
// IBus has changed its socket path several times
// and each change should be synchronized with Qt.
// Moreover, the last time Qt changed the path,
// they didn't introduce a fallback to the old path
// and made the new Qt incompatible with IBus from older distributions.
// Since tdesktop is distributed in static binary form,
// it makes sense to use ibus portal whenever it present
// to ensure compatibility with the maximum range of distributions.
if (IsIBusPortalPresent()) {
LOG(("IBus portal is present! Using it."));
qputenv("IBUS_USE_PORTAL", "1");
}
#endif // !DESKTOP_APP_DISABLE_DBUS_INTEGRATION
#ifndef DESKTOP_APP_DISABLE_WEBKITGTK
const auto d = QFile::encodeName(QDir(cWorkingDir()).absolutePath());
char h[33] = { 0 };
hashMd5Hex(d.constData(), d.size(), h);
Webview::WebKit2Gtk::SetServiceName(
kWebviewService.utf16().arg(h).arg("%1").toStdString());
#endif // !DESKTOP_APP_DISABLE_WEBKITGTK
}
void finish() {
}
void InstallLauncher(bool force) {
static const auto DisabledByEnv = !qEnvironmentVariableIsEmpty(
"DESKTOPINTEGRATION");
// don't update desktop file for alpha version or if updater is disabled
if ((cAlphaVersion() || Core::UpdaterDisabled() || DisabledByEnv)
&& !force) {
return;
}
const auto applicationsPath = QStandardPaths::writableLocation(
QStandardPaths::ApplicationsLocation) + '/';
GenerateDesktopFile(applicationsPath, qsl("-- %u"));
const auto icons = QStandardPaths::writableLocation(
QStandardPaths::GenericDataLocation) + qsl("/icons/");
if (!QDir(icons).exists()) QDir().mkpath(icons);
const auto icon = icons + kIconName.utf16() + qsl(".png");
auto iconExists = QFile::exists(icon);
if (Local::oldSettingsVersion() < 2008012 && iconExists) {
// Icon was changed.
if (QFile::remove(icon)) {
iconExists = false;
}
}
if (!iconExists) {
if (QFile::copy(qsl(":/gui/art/logo_256.png"), icon)) {
DEBUG_LOG(("App Info: Icon copied to '%1'").arg(icon));
}
}
QProcess::execute("update-desktop-database", {
applicationsPath
});
}
PermissionStatus GetPermissionStatus(PermissionType type) {
return PermissionStatus::Granted;
}
void RequestPermission(PermissionType type, Fn<void(PermissionStatus)> resultCallback) {
resultCallback(PermissionStatus::Granted);
}
void OpenSystemSettingsForPermission(PermissionType type) {
}
bool OpenSystemSettings(SystemSettingsType type) {
if (type == SystemSettingsType::Audio) {
struct Command {
QString command;
QStringList arguments;
};
auto options = std::vector<Command>();
const auto add = [&](const char *option, const char *arg = nullptr) {
auto command = Command{ .command = option };
if (arg) {
command.arguments.push_back(arg);
}
options.push_back(std::move(command));
};
if (DesktopEnvironment::IsUnity()) {
add("unity-control-center", "sound");
} else if (DesktopEnvironment::IsKDE()) {
add("kcmshell5", "kcm_pulseaudio");
add("kcmshell4", "phonon");
} else if (DesktopEnvironment::IsGnome()) {
add("gnome-control-center", "sound");
} else if (DesktopEnvironment::IsCinnamon()) {
add("cinnamon-settings", "sound");
} else if (DesktopEnvironment::IsMATE()) {
add("mate-volume-control");
}
#ifdef __HAIKU__
add("Media");
#endif // __ HAIKU__
add("pavucontrol-qt");
add("pavucontrol");
add("alsamixergui");
return ranges::any_of(options, [](const Command &command) {
return QProcess::startDetached(
command.command,
command.arguments);
});
}
return true;
}
namespace ThirdParty {
void start() {
LOG(("Icon theme: %1").arg(QIcon::themeName()));
LOG(("Fallback icon theme: %1").arg(QIcon::fallbackThemeName()));
// wait for interface announce to know if native window frame is supported
if (const auto integration = UiWaylandIntegration::Instance()) {
integration->waitForInterfaceAnnounce();
}
#ifndef DESKTOP_APP_DISABLE_DBUS_INTEGRATION
FileDialog::XDP::Start();
#endif // !DESKTOP_APP_DISABLE_DBUS_INTEGRATION
}
void finish() {
}
} // namespace ThirdParty
} // namespace Platform
void psNewVersion() {
#ifndef __HAIKU__
Platform::InstallLauncher();
#endif // __HAIKU__
}
void psAutoStart(bool start, bool silent) {
#ifdef __HAIKU__
HaikuAutostart(start);
return;
#endif // __HAIKU__
if (InFlatpak()) {
#ifndef DESKTOP_APP_DISABLE_DBUS_INTEGRATION
PortalAutostart(start, silent);
#endif // !DESKTOP_APP_DISABLE_DBUS_INTEGRATION
} else {
const auto autostart = QStandardPaths::writableLocation(
QStandardPaths::GenericConfigLocation)
+ qsl("/autostart/");
if (start) {
GenerateDesktopFile(autostart, qsl("-autostart"), silent);
} else {
QFile::remove(autostart + QGuiApplication::desktopFileName());
}
}
}
void psSendToMenu(bool send, bool silent) {
}
void sendfileFallback(FILE *out, FILE *in) {
static const int BufSize = 65536;
char buf[BufSize];
while (size_t size = fread(buf, 1, BufSize, in)) {
fwrite(buf, 1, size, out);
}
}
bool linuxMoveFile(const char *from, const char *to) {
FILE *ffrom = fopen(from, "rb"), *fto = fopen(to, "wb");
if (!ffrom) {
if (fto) fclose(fto);
return false;
}
if (!fto) {
fclose(ffrom);
return false;
}
struct stat fst; // from http://stackoverflow.com/questions/5486774/keeping-fileowner-and-permissions-after-copying-file-in-c
//let's say this wont fail since you already worked OK on that fp
if (fstat(fileno(ffrom), &fst) != 0) {
fclose(ffrom);
fclose(fto);
return false;
}
#ifdef Q_OS_LINUX
ssize_t copied = sendfile(
fileno(fto),
fileno(ffrom),
nullptr,
fst.st_size);
if (copied == -1) {
DEBUG_LOG(("Update Error: "
"Copy by sendfile '%1' to '%2' failed, error: %3, fallback now."
).arg(from
).arg(to
).arg(errno));
sendfileFallback(fto, ffrom);
} else {
DEBUG_LOG(("Update Info: "
"Copy by sendfile '%1' to '%2' done, size: %3, result: %4."
).arg(from
).arg(to
).arg(fst.st_size
).arg(copied));
}
#else // Q_OS_LINUX
sendfileFallback(fto, ffrom);
#endif // Q_OS_LINUX
//update to the same uid/gid
if (fchown(fileno(fto), fst.st_uid, fst.st_gid) != 0) {
fclose(ffrom);
fclose(fto);
return false;
}
//update the permissions
if (fchmod(fileno(fto), fst.st_mode) != 0) {
fclose(ffrom);
fclose(fto);
return false;
}
fclose(ffrom);
fclose(fto);
if (unlink(from)) {
return false;
}
return true;
}
bool psLaunchMaps(const Data::LocationPoint &point) {
return false;
}