gui: mainwindow: Add menu opening config and About dialogs

gui/mainwindow.cpp

@@ -166,6 +166,34 @@ void MainWindow::connectSignals()
 					}
 				}
 			});
+	connect(
+		ui->menuAboutAction, &QAction::triggered, this,
+		[this](bool checked)
+		{
+			QString html = "<h2>looqs</h2>";
+			html += "Full-text search with previews for your files<br><br>";
+			html += "Copyright (c) 2018-2022: Albert Schwarzkopf<br><br>";
+			html += QString("Version: %1<br><br>").arg(Common::versionText());
+			html += "Contact: looqs at quitesimple dot org<br><br>";
+			html += "Website: <a href=\"https://quitesimple.org\">https://quitesimple.org</a><br><br>";
+			html +=
+				"Source code: <a "
+				"href=\"https://github.com/quitesimpleorg/looqs\">https://github.com/quitesimpleorg/looqs</a><br><br>";
+			html += "License: GPLv3<br><br><br>";
+			html += "looqs is open source and free of charge in the hope it will be useful. The author(s) do not "
+					"give any warranty. In the unlikely event of any damage, the author(s) cannot be held responsible. "
+					"You are using looqs at your own risk";
+
+			QMessageBox::about(this, "About looqs", html);
+		});
+	connect(ui->menuOpenConfigInTextEditorAction, &QAction::triggered, this,
+			[this](bool checked)
+			{
+				QSettings setting;
+				QDesktopServices::openUrl(setting.fileName());
+			});
+	connect(ui->menuAboutQtAction, &QAction::triggered, this,
+			[this](bool checked) { QMessageBox::aboutQt(this, "About Qt"); });
 }
 
 void MainWindow::spinPreviewPageValueChanged(int val)

gui/mainwindow.ui

@@ -82,7 +82,7 @@
              <x>0</x>
              <y>0</y>
              <width>1185</width>
-             <height>419</height>
+             <height>384</height>
             </rect>
            </property>
            <layout class="QHBoxLayout" name="horizontalLayout"/>
@@ -363,6 +363,40 @@
    </layout>
   </widget>
   <widget class="QStatusBar" name="statusBar"/>
+  <widget class="QMenuBar" name="menuBar">
+   <property name="geometry">
+    <rect>
+     <x>0</x>
+     <y>0</y>
+     <width>1221</width>
+     <height>35</height>
+    </rect>
+   </property>
+   <widget class="QMenu" name="menulooqs">
+    <property name="title">
+     <string>looqs</string>
+    </property>
+    <addaction name="menuOpenConfigInTextEditorAction"/>
+    <addaction name="menuAboutAction"/>
+    <addaction name="menuAboutQtAction"/>
+   </widget>
+   <addaction name="menulooqs"/>
+  </widget>
+  <action name="menuAboutAction">
+   <property name="text">
+    <string>About</string>
+   </property>
+  </action>
+  <action name="menuOpenConfigInTextEditorAction">
+   <property name="text">
+    <string>Open config in text editor</string>
+   </property>
+  </action>
+  <action name="menuAboutQtAction">
+   <property name="text">
+    <string>About Qt</string>
+   </property>
+  </action>
  </widget>
  <layoutdefault spacing="6" margin="11"/>
  <resources/>