Use standard Ctrl+Shift+Comma shortcut for showing settings

Fix: #42

qml/main.qml

@@ -156,6 +156,7 @@ Kirigami.ApplicationWindow {
                 icon.name: "settings-configure"
                 onTriggered: pushReplaceLayer("qrc:/imports/NeoChat/Page/SettingsPage.qml")
                 enabled: pageStack.layers.currentItem.title !== i18n("Settings")
+                shortcut: Controller.preferencesShortcuts[0]
             },
             Kirigami.Action {
                 text: i18n("About Neochat")

src/controller.cpp

@@ -46,6 +46,7 @@
 #include "neochatuser.h"
 #include "settings.h"
 #include "utils.h"
+#include <KStandardShortcut>
 
 #ifndef Q_OS_ANDROID
 #include "trayicon.h"
@@ -550,3 +551,8 @@ void Controller::setActiveConnection(Connection *connection)
     m_connection = connection;
     Q_EMIT activeConnectionChanged();
 }
+
+QList<QKeySequence> Controller::preferencesShortcuts() const
+{
+    return KStandardShortcut::preferences();
+}

src/controller.h

@@ -12,6 +12,7 @@
 #include <QObject>
 
 #include <KAboutData>
+class QKeySequences;
 
 #include "connection.h"
 #include "csapi/list_public_rooms.h"
@@ -30,6 +31,9 @@ class Controller : public QObject
     Q_PROPERTY(bool busy READ busy WRITE setBusy NOTIFY busyChanged)
     Q_PROPERTY(KAboutData aboutData READ aboutData WRITE setAboutData NOTIFY aboutDataChanged)
 
+    /// Get the list of shortcuts activating the preferences page
+    Q_PROPERTY(QList<QKeySequence> preferencesShortcuts READ preferencesShortcuts CONSTANT)
+
 public:
     static Controller &instance();
 
@@ -48,6 +52,8 @@ public:
 
     [[nodiscard]] int accountCount() const;
 
+    [[nodiscard]] QList<QKeySequence> preferencesShortcuts() const;
+
     [[nodiscard]] static bool quitOnLastWindowClosed();
     void setQuitOnLastWindowClosed(bool value);