First tray attempt, seems to be working

ui/squawk.cpp

@@ -56,7 +56,7 @@ Squawk::Squawk(Models::Roster& p_rosterModel, QWidget *parent) :
     connect(m_ui->actionPreferences, &QAction::triggered, this, &Squawk::onPreferences);
     connect(m_ui->actionAddContact, &QAction::triggered, this, &Squawk::onNewContact);
     connect(m_ui->actionAddConference, &QAction::triggered, this, &Squawk::onNewConference);
-    connect(m_ui->actionQuit, &QAction::triggered, this, &Squawk::close);
+    connect(m_ui->actionQuit, &QAction::triggered, this, &Squawk::quit);
     connect(m_ui->comboBox, qOverload<int>(&QComboBox::activated), this, &Squawk::onComboboxActivated);
     //connect(m_ui->roster, &QTreeView::doubleClicked, this, &Squawk::onRosterItemDoubleClicked);
     connect(m_ui->roster, &QTreeView::customContextMenuRequested, this, &Squawk::onRosterContextMenu);
@@ -122,6 +122,7 @@ void Squawk::onPreferences()
         preferences->setAttribute(Qt::WA_DeleteOnClose);
         connect(preferences, &Settings::destroyed, this, &Squawk::onPreferencesClosed);
         connect(preferences, &Settings::changeDownloadsPath, this, &Squawk::changeDownloadsPath);
+        connect(preferences, &Settings::changeTray, this, &Squawk::changeTray);
 
         preferences->show();
     } else {

ui/squawk.h

@@ -59,6 +59,7 @@ public:
     
 signals:
     void closing();
+    void quit();
     void newAccountRequest(const QMap<QString, QVariant>&);
     void removeAccountRequest(const QString&);
     void connectAccount(const QString&);
@@ -74,6 +75,7 @@ signals:
     void requestVCard(const QString& account, const QString& jid);
     void uploadVCard(const QString& account, const Shared::VCard& card);
     void changeDownloadsPath(const QString& path);
+    void changeTray(bool enabled, bool hide);
 
     void notify(const QString& account, const Shared::Message& msg);
     void changeSubscription(const Models::Roster::ElId& id, bool subscribe);

ui/widgets/settings/pagegeneral.cpp

@@ -28,6 +28,23 @@ PageGeneral::PageGeneral(QWidget* parent):
 
     QSettings settings;
     m_ui->downloadsPathInput->setText(settings.value("downloadsPath").toString());
+    if (QSystemTrayIcon::isSystemTrayAvailable()) {
+        bool tray = settings.value("tray", false).toBool();
+        m_ui->trayInput->setChecked(tray);
+        if (tray) {
+            m_ui->hideTrayInput->setChecked(settings.value("hideTray", false).toBool());
+        } else {
+            m_ui->hideTrayInput->setEnabled(false);
+        }
+
+        connect(m_ui->trayInput, &QCheckBox::stateChanged, this, &PageGeneral::onTrayChecked);
+        connect(m_ui->hideTrayInput, &QCheckBox::stateChanged, this, &PageGeneral::onHideTrayChecked);
+    } else {
+        m_ui->trayInput->setEnabled(false);
+        m_ui->hideTrayInput->setEnabled(false);
+        m_ui->trayInput->setToolTip(tr("Tray is not available for your system"));       //TODO translate
+    }
+
     connect(m_ui->downloadsPathButton, &QPushButton::clicked, this, &PageGeneral::onBrowseButtonClicked);
 }
 
@@ -76,3 +93,19 @@ void PageGeneral::onDialogDestroyed()
 {
     dialog = nullptr;
 }
+
+void PageGeneral::onTrayChecked(int state)
+{
+    bool enabled = state == Qt::Checked;
+    emit variableModified("tray", enabled);
+    m_ui->hideTrayInput->setEnabled(enabled);
+    if (!enabled) {
+        m_ui->hideTrayInput->setEnabled(false);
+    }
+}
+
+void PageGeneral::onHideTrayChecked(int state)
+{
+    bool enabled = state == Qt::Checked;
+    emit variableModified("hideTray", enabled);
+}

ui/widgets/settings/pagegeneral.h

@@ -24,6 +24,7 @@
 #include <QVariant>
 #include <QSettings>
 #include <QFileDialog>
+#include <QSystemTrayIcon>
 
 namespace Ui
 {
@@ -47,6 +48,8 @@ private slots:
     void onBrowseButtonClicked();
     void onDialogAccepted();
     void onDialogDestroyed();
+    void onTrayChecked(int state);
+    void onHideTrayChecked(int state);
 
 private:
     QScopedPointer<Ui::PageGeneral> m_ui;

ui/widgets/settings/pagegeneral.ui

@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>400</width>
-    <height>300</height>
+    <width>477</width>
+    <height>310</height>
    </rect>
   </property>
   <layout class="QFormLayout" name="formLayout">
@@ -39,6 +39,34 @@
      </item>
     </layout>
    </item>
+   <item row="2" column="0">
+    <widget class="QLabel" name="trayLabel">
+     <property name="text">
+      <string>Tray icon</string>
+     </property>
+    </widget>
+   </item>
+   <item row="2" column="1">
+    <widget class="QCheckBox" name="trayInput">
+     <property name="text">
+      <string>Mimimize Squawk to tray when closing main window</string>
+     </property>
+    </widget>
+   </item>
+   <item row="3" column="0">
+    <widget class="QLabel" name="hideTrayLabel">
+     <property name="text">
+      <string>Hide tray icon</string>
+     </property>
+    </widget>
+   </item>
+   <item row="3" column="1">
+    <widget class="QCheckBox" name="hideTrayInput">
+     <property name="text">
+      <string>Hide tray icon when Squawk main window is visible</string>
+     </property>
+    </widget>
+   </item>
   </layout>
  </widget>
  <resources/>

ui/widgets/settings/settings.cpp

@@ -57,6 +57,7 @@ void Settings::onVariableModified(const QString& key, const QVariant& value)
 void Settings::apply()
 {
     QSettings settings;
+    bool trayChanged = false;
     for (const std::pair<const QString, QVariant>& pair: modifiedSettings) {
         if (pair.first == "style") {
             Shared::Global::setStyle(pair.second.toString());
@@ -73,8 +74,18 @@ void Settings::apply()
                     emit changeDownloadsPath(path);
                 }
             }
+        } else if (pair.first == "tray" || pair.first == "hideTray") {
+            bool oldValue = settings.value(pair.first, false).toBool();
+            bool newValue = pair.second.toBool();
+            if (oldValue != newValue) {
+                trayChanged = true;
+                settings.setValue(pair.first, pair.second);
+            }
         }
+    }
 
+    if (trayChanged) {
+        emit changeTray(settings.value("tray", false).toBool(), settings.value("hideTray", false).toBool());
     }
 
     modifiedSettings.clear();

ui/widgets/settings/settings.h

@@ -45,6 +45,7 @@ public:
 
 signals:
     void changeDownloadsPath(const QString& path);
+    void changeTray(bool enable, bool hide);
 
 public slots:
     void apply();