fix(ui): fix Unix build when X11 is not available

Fixes #1645.

src/libs/ui/qxtglobalshortcut/CMakeLists.txt

@@ -12,11 +12,19 @@ elseif(UNIX)
         list(APPEND QxtGlobalShortcut_SOURCES
             qxtglobalshortcut_x11.cpp
         )
+    else()
+        list(APPEND QxtGlobalShortcut_SOURCES
+            qxtglobalshortcut_noop.cpp
+        )
     endif()
 elseif(WIN32)
     list(APPEND QxtGlobalShortcut_SOURCES
         qxtglobalshortcut_win.cpp
     )
+else()
+    list(APPEND QxtGlobalShortcut_SOURCES
+        qxtglobalshortcut_noop.cpp
+    )
 endif()
 
 add_library(QxtGlobalShortcut STATIC ${QxtGlobalShortcut_SOURCES})

src/libs/ui/qxtglobalshortcut/qxtglobalshortcut.cpp

@@ -54,7 +54,6 @@
 #include "qxtglobalshortcut_p.h"
 
 #include <QAbstractEventDispatcher>
-#include <QGuiApplication>
 
 #ifndef Q_OS_MACOS
 int QxtGlobalShortcutPrivate::ref = 0;
@@ -247,9 +246,7 @@ bool QxtGlobalShortcut::isEnabled() const
  */
 bool QxtGlobalShortcut::isSupported()
 {
-    return QGuiApplication::platformName() == QLatin1String("windows")
-            || QGuiApplication::platformName() == QLatin1String("xcb")
-            || QGuiApplication::platformName() == QLatin1String("cocoa");
+    return QxtGlobalShortcutPrivate::isSupported();
 }
 
 void QxtGlobalShortcut::setEnabled(bool enabled)

src/libs/ui/qxtglobalshortcut/qxtglobalshortcut_mac.cpp

@@ -52,11 +52,13 @@
 
 #include "qxtglobalshortcut_p.h"
 
+#include <QGuiApplication>
 #include <QHash>
 #include <QMap>
 
 #include <Carbon/Carbon.h>
 
+namespace {
 typedef QPair<uint, uint> Identifier;
 static QMap<quint32, EventHotKeyRef> keyRefs;
 static QHash<Identifier, quint32> keyIDs;
@@ -76,6 +78,12 @@ OSStatus qxt_mac_handle_hot_key(EventHandlerCallRef nextHandler, EventRef event,
 
     return noErr;
 }
+} // namespace
+
+bool QxtGlobalShortcutPrivate::isSupported()
+{
+    return QGuiApplication::platformName() == QLatin1String("cocoa");
+}
 
 bool QxtGlobalShortcutPrivate::nativeEventFilter(const QByteArray &eventType,
                                                  void *message, NativeEventFilterResult *result)

src/libs/ui/qxtglobalshortcut/qxtglobalshortcut_noop.cpp

@@ -0,0 +1,98 @@
+/****************************************************************************
+**
+** Copyright (C) 2024 Oleg Shparber
+** Contact: https://go.zealdocs.org/l/contact
+**
+** This file is part of Zeal.
+**
+** Zeal is free software: you can redistribute it and/or modify
+** it under the terms of the GNU General Public License as published by
+** the Free Software Foundation, either version 3 of the License, or
+** (at your option) any later version.
+**
+** Zeal is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+** GNU General Public License for more details.
+**
+** You should have received a copy of the GNU General Public License
+** along with Zeal. If not, see <https://www.gnu.org/licenses/>.
+**
+****************************************************************************/
+/****************************************************************************
+** Copyright (c) 2006 - 2011, the LibQxt project.
+** See the Qxt AUTHORS file for a list of authors and copyright holders.
+** All rights reserved.
+**
+** Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are met:
+**     * Redistributions of source code must retain the above copyright
+**       notice, this list of conditions and the following disclaimer.
+**     * Redistributions in binary form must reproduce the above copyright
+**       notice, this list of conditions and the following disclaimer in the
+**       documentation and/or other materials provided with the distribution.
+**     * Neither the name of the LibQxt project nor the
+**       names of its contributors may be used to endorse or promote products
+**       derived from this software without specific prior written permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+** ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+** WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+** DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+** DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+** (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+** LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+** ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+** SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+**
+** <http://libqxt.org>  <foundation@libqxt.org>
+*****************************************************************************/
+
+#include "qxtglobalshortcut_p.h"
+
+bool QxtGlobalShortcutPrivate::isSupported()
+{
+    return false;
+}
+
+bool QxtGlobalShortcutPrivate::nativeEventFilter(const QByteArray &eventType,
+                                                 void *message,
+                                                 NativeEventFilterResult *result)
+{
+    Q_UNUSED(eventType)
+    Q_UNUSED(message)
+    Q_UNUSED(result)
+
+    return false;
+}
+
+quint32 QxtGlobalShortcutPrivate::nativeModifiers(Qt::KeyboardModifiers modifiers)
+{
+    Q_UNUSED(modifiers)
+
+    return 0;
+}
+
+quint32 QxtGlobalShortcutPrivate::nativeKeycode(Qt::Key key)
+{
+    Q_UNUSED(key)
+
+    return 0;
+}
+
+bool QxtGlobalShortcutPrivate::registerShortcut(quint32 nativeKey, quint32 nativeMods)
+{
+    Q_UNUSED(nativeKey)
+    Q_UNUSED(nativeMods)
+
+    return false;
+}
+
+bool QxtGlobalShortcutPrivate::unregisterShortcut(quint32 nativeKey, quint32 nativeMods)
+{
+    Q_UNUSED(nativeKey)
+    Q_UNUSED(nativeMods)
+
+    return false;
+}

src/libs/ui/qxtglobalshortcut/qxtglobalshortcut_p.h

@@ -87,6 +87,7 @@ public:
 
     bool nativeEventFilter(const QByteArray &eventType, void *message, NativeEventFilterResult *result) override;
 
+    static bool isSupported();
     static bool activateShortcut(quint32 nativeKey, quint32 nativeMods);
 
 private:

src/libs/ui/qxtglobalshortcut/qxtglobalshortcut_win.cpp

@@ -52,8 +52,15 @@
 
 #include "qxtglobalshortcut_p.h"
 
+#include <QGuiApplication>
+
 #include <qt_windows.h>
 
+bool QxtGlobalShortcutPrivate::isSupported()
+{
+    return QGuiApplication::platformName() == QLatin1String("windows");
+}
+
 bool QxtGlobalShortcutPrivate::nativeEventFilter(const QByteArray &eventType,
                                                  void *message, NativeEventFilterResult *result)
 {

src/libs/ui/qxtglobalshortcut/qxtglobalshortcut_x11.cpp

@@ -52,6 +52,7 @@
 
 #include "qxtglobalshortcut_p.h"
 
+#include <QGuiApplication>
 #include <QKeySequence>
 #include <QScopedPointer>
 #include <QVector>
@@ -72,6 +73,11 @@ constexpr quint32 maskModifiers[] = {
 };
 } // namespace
 
+bool QxtGlobalShortcutPrivate::isSupported()
+{
+    return QGuiApplication::platformName() == QLatin1String("xcb");
+}
+
 bool QxtGlobalShortcutPrivate::nativeEventFilter(const QByteArray &eventType,
                                                  void *message, NativeEventFilterResult *result)
 {