add system tray support

closes #15

src/glate.pro

@@ -41,6 +41,7 @@ SOURCES += \
         settings.cpp \
         share.cpp \
         slider.cpp \
+        systemtraymanager.cpp \
         translationdownloader.cpp \
         utils.cpp \
         waitingspinnerwidget.cpp
@@ -55,6 +56,7 @@ HEADERS += \
         settings.h \
         share.h \
         slider.h \
+        systemtraymanager.h \
         translationdownloader.h \
         utils.h \
         waitingspinnerwidget.h

src/mainwindow.cpp

@@ -1,25 +1,15 @@
 #include "mainwindow.h"
 #include "ui_mainwindow.h"
-#include <QMessageBox>
-#include <QMimeData>
-#include <QTimer>
-
-#include <QDesktopWidget>
-#include <QJsonArray>
-#include <QJsonDocument>
-#include <QJsonObject>
-#include <QMediaPlaylist>
-#include <QScreen>
-#include <QScrollBar>
-#include <QVariant>
-
-#include <QKeyEvent>
-#include <QKeySequence>
-#include <QShortcut>
 
 MainWindow::MainWindow(QWidget *parent)
     : QMainWindow(parent), ui(new Ui::MainWindow) {
   ui->setupUi(this);
+
+  SystemTrayManager *trayManager = new SystemTrayManager(this);
+
+  connect(trayManager, &SystemTrayManager::showWindow, this, &MainWindow::show);
+  connect(trayManager, &SystemTrayManager::hideWindow, this, &MainWindow::hide);
+
   this->setWindowTitle(QApplication::applicationName() + " v" +
                        QApplication::applicationVersion());
   this->setWindowIcon(QIcon(":/icons/app/icon-64.png"));
@@ -430,12 +420,11 @@ void MainWindow::translate_clicked() {
     qDebug() << urlStr;
 
     if (urlStr.isEmpty()) {
-        showError("Invalid Input.");
+      showError("Invalid Input.");
     } else {
-        _request->get(QUrl(urlStr));
-        translationId = utils::generateRandomId(20);
+      _request->get(QUrl(urlStr));
+      translationId = utils::generateRandomId(20);
     }
-
   }
 }
 

src/mainwindow.h

@@ -3,13 +3,27 @@
 
 #include <QClipboard>
 #include <QDebug>
+#include <QDesktopWidget>
 #include <QFile>
 #include <QHotkey>
+#include <QJsonArray>
+#include <QJsonDocument>
+#include <QJsonObject>
+#include <QKeyEvent>
+#include <QKeySequence>
 #include <QMainWindow>
 #include <QMediaPlayer>
+#include <QMediaPlaylist>
+#include <QMessageBox>
+#include <QMimeData>
 #include <QPushButton>
+#include <QScreen>
+#include <QScrollBar>
 #include <QSettings>
+#include <QShortcut>
 #include <QTextEdit>
+#include <QTimer>
+#include <QVariant>
 
 #include "controlbutton.h"
 #include "error.h"
@@ -22,6 +36,7 @@
 #include "ui_textoptionform.h"
 #include "utils.h"
 #include "waitingspinnerwidget.h"
+#include "systemtraymanager.h"
 
 namespace Ui {
 class MainWindow;

src/systemtraymanager.cpp

@@ -0,0 +1,53 @@
+#include "systemtraymanager.h"
+
+SystemTrayManager::SystemTrayManager(QObject *parent) : QObject{parent} {
+  if (QSystemTrayIcon::isSystemTrayAvailable()) {
+    trayIcon =
+        new QSystemTrayIcon(QIcon(":/icons/app/icon-64.png"), this->parent());
+
+    trayMenu = new QMenu(0);
+    showAction = new QAction("Show", this);
+    hideAction = new QAction("Hide", this);
+    quitAction = new QAction("Quit", this);
+
+    showAction->setDisabled(true);
+
+    trayMenu->addAction(showAction);
+    trayMenu->addAction(hideAction);
+    trayMenu->addSeparator();
+    trayMenu->addAction(quitAction);
+
+    trayIcon->setContextMenu(trayMenu);
+
+    connect(showAction, &QAction::triggered, this,
+            &SystemTrayManager::showMainWindow);
+    connect(hideAction, &QAction::triggered, this,
+            &SystemTrayManager::hideMainWindow);
+    connect(quitAction, &QAction::triggered, this,
+            &SystemTrayManager::quitApplication);
+
+    trayIcon->show();
+  } else {
+    QMessageBox::information(nullptr, "Information",
+                             "Unable to find System tray.");
+  }
+}
+
+SystemTrayManager::~SystemTrayManager() {
+  if (trayIcon)
+    delete trayIcon;
+}
+
+void SystemTrayManager::showMainWindow() {
+  emit showWindow();
+  showAction->setDisabled(true);
+  hideAction->setDisabled(false);
+}
+
+void SystemTrayManager::hideMainWindow() {
+  emit hideWindow();
+  hideAction->setDisabled(true);
+  showAction->setDisabled(false);
+}
+
+void SystemTrayManager::quitApplication() { qApp->quit(); }

src/systemtraymanager.h

@@ -0,0 +1,37 @@
+#ifndef SYSTEMTRAYMANAGER_H
+#define SYSTEMTRAYMANAGER_H
+
+#include <QAction>
+#include <QApplication>
+#include <QMenu>
+#include <QMessageBox>
+#include <QObject>
+#include <QSystemTrayIcon>
+
+class SystemTrayManager : public QObject {
+  Q_OBJECT
+public:
+  explicit SystemTrayManager(QObject *parent = nullptr);
+
+  ~SystemTrayManager();
+
+signals:
+  void showWindow();
+  void hideWindow();
+
+private:
+  QSystemTrayIcon *trayIcon = nullptr;
+  QMenu *trayMenu = nullptr;
+  QAction *showAction = nullptr;
+  QAction *hideAction = nullptr;
+  QAction *quitAction = nullptr;
+
+private slots:
+  void showMainWindow();
+
+  void hideMainWindow();
+
+  void quitApplication();
+};
+
+#endif // SYSTEMTRAYMANAGER_H