dcd6028e91
Commit 296c800b39 introduced a regression which caused crashes
in some ArchLinux distros when attempting to load or use libunity.
112 lines
No EOL
3.2 KiB
C++
112 lines
No EOL
3.2 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop version of Telegram messaging app, see https://telegram.org
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Telegram Desktop is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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It is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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In addition, as a special exception, the copyright holders give permission
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to link the code of portions of this program with the OpenSSL library.
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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
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*/
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#include "stdafx.h"
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#include "platform/linux/linux_desktop_environment.h"
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namespace Platform {
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namespace DesktopEnvironment {
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namespace {
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QString GetEnv(const char *name) {
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auto result = getenv(name);
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return result ? QString::fromLatin1(result) : QString();
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}
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Type Compute() {
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auto xdgCurrentDesktop = GetEnv("XDG_CURRENT_DESKTOP").toLower();
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auto list = xdgCurrentDesktop.split(':', QString::SkipEmptyParts);
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auto desktopSession = GetEnv("DESKTOP_SESSION").toLower();
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auto kdeSession = GetEnv("KDE_SESSION_VERSION");
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if (!list.isEmpty()) {
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if (list.contains("unity")) {
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// gnome-fallback sessions set XDG_CURRENT_DESKTOP to Unity
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// DESKTOP_SESSION can be gnome-fallback or gnome-fallback-compiz
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if (desktopSession.indexOf(qstr("gnome-fallback")) >= 0) {
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return Type::Gnome;
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}
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return Type::Unity;
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} else if (list.contains("xfce")) {
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return Type::XFCE;
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} else if (list.contains("pantheon")) {
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return Type::Pantheon;
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} else if (list.contains("gnome")) {
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return Type::Gnome;
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} else if (list.contains("kde")) {
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if (kdeSession == qstr("5")) {
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return Type::KDE5;
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}
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return Type::KDE4;
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}
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}
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if (!desktopSession.isEmpty()) {
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if (desktopSession == qstr("gnome") || desktopSession == qstr("mate")) {
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return Type::Gnome;
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} else if (desktopSession == qstr("kde4") || desktopSession == qstr("kde-plasma")) {
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return Type::KDE4;
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} else if (desktopSession == qstr("kde")) {
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// This may mean KDE4 on newer systems, so we have to check.
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if (!kdeSession.isEmpty()) {
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return Type::KDE4;
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}
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return Type::KDE3;
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} else if (desktopSession.indexOf(qstr("xfce")) >= 0 || desktopSession == qstr("xubuntu")) {
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return Type::XFCE;
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}
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}
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// Fall back on some older environment variables.
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// Useful particularly in the DESKTOP_SESSION=default case.
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if (!GetEnv("GNOME_DESKTOP_SESSION_ID").isEmpty()) {
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return Type::Gnome;
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} else if (!GetEnv("KDE_FULL_SESSION").isEmpty()) {
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if (!kdeSession.isEmpty()) {
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return Type::KDE4;
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}
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return Type::KDE3;
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}
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return Type::Other;
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}
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} // namespace
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// Thanks Chromium.
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Type Get() {
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static const auto result = Compute();
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return result;
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}
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bool TryQtTrayIcon() {
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return !IsPantheon() && !IsGnome();
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}
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bool PreferAppIndicatorTrayIcon() {
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return IsXFCE() || IsUnity();
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}
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bool TryUnityCounter() {
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return IsUnity() || IsPantheon();
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}
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} // namespace DesktopEnvironment
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} // namespace Platform
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