Add initial code

controller.cpp

@@ -0,0 +1,65 @@
+#include "controller.h"
+#include "capture/capturewidget.h"
+#include "infowindow.h"
+#include "configwindow.h"
+#include <QAction>
+#include <QApplication>
+#include <QMenu>
+#include <QSystemTrayIcon>
+
+
+Controller::Controller(QObject *parent) : QObject(parent) {
+    createActions();
+    createTrayIcon();
+    m_trayIcon->show();
+
+    m_nativeEventFilter = new NativeEventFilter(this);
+    qApp->installNativeEventFilter(m_nativeEventFilter);
+    connect(m_nativeEventFilter, &NativeEventFilter::activated, this, &Controller::slotPrintHotkey);
+
+    m_captureWindow = nullptr;
+    qApp->setQuitOnLastWindowClosed(false);
+}
+
+void Controller::createActions() {
+    m_configAction = new QAction(tr("&Configuration"), this);
+    connect(m_configAction, &QAction::triggered, this, &Controller::openConfigWindow);
+
+    m_infoAction = new QAction(tr("&Information"), this);
+    connect(m_infoAction, &QAction::triggered, this, &Controller::openInfoWindow);
+
+    m_quitAction = new QAction(tr("&Quit"), this);
+    connect(m_quitAction, &QAction::triggered, qApp, &QCoreApplication::quit);
+}
+
+void Controller::createTrayIcon() {
+    // requires a widget as parent but it should be used the whole app live period
+    m_trayIconMenu = new QMenu();
+    m_trayIconMenu->addAction(m_configAction);
+    m_trayIconMenu->addAction(m_infoAction);
+    m_trayIconMenu->addSeparator();
+    m_trayIconMenu->addAction(m_quitAction);
+
+    m_trayIcon = new QSystemTrayIcon(this);
+    m_trayIcon->setToolTip("Flameshot");
+    m_trayIcon->setContextMenu(m_trayIconMenu);
+    m_trayIcon->setIcon(QIcon(":img/flameshot.svg"));
+}
+
+void Controller::slotPrintHotkey() {
+    if (!m_captureWindow) {
+        m_captureWindow = new CaptureWidget();
+    }
+}
+
+void Controller::openConfigWindow() {
+    if (!m_configWindow) {
+        m_configWindow = new ConfigWindow();
+    }
+}
+
+void Controller::openInfoWindow() {
+    if (!m_infoWindow) {
+        m_infoWindow = new InfoWindow();
+    }
+}