Add cursor visibility toggle

include/f1x/openauto/autoapp/UI/MainWindow.hpp

@@ -45,6 +45,7 @@ public:
 signals:
     void exit();
     void openSettings();
+    void toggleCursor();
 
 private:
     Ui::MainWindow* ui_;

src/autoapp/UI/MainWindow.cpp

@@ -16,6 +16,7 @@
 *  along with openauto. If not, see <http://www.gnu.org/licenses/>.
 */
 
+#include <QApplication>
 #include <f1x/openauto/autoapp/UI/MainWindow.hpp>
 #include "ui_mainwindow.h"
 
@@ -35,6 +36,7 @@ MainWindow::MainWindow(QWidget *parent)
     ui_->setupUi(this);
     connect(ui_->pushButtonSettings, &QPushButton::clicked, this, &MainWindow::openSettings);
     connect(ui_->pushButtonExit, &QPushButton::clicked, this, &MainWindow::exit);
+    connect(ui_->pushButtonToggleCursor, &QPushButton::clicked, this, &MainWindow::toggleCursor);
 }
 
 MainWindow::~MainWindow()

src/autoapp/UI/mainwindow.ui

@@ -189,6 +189,25 @@ color: rgb(238, 238, 236);</string>
      <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;&lt;span style=&quot; font-style:italic;&quot;&gt;AndroidAuto is registered trademark of Google Inc.&lt;/span&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
     </property>
    </widget>
+   <widget class="QPushButton" name="pushButtonToggleCursor">
+    <property name="geometry">
+     <rect>
+      <x>630</x>
+      <y>290</y>
+      <width>161</width>
+      <height>41</height>
+     </rect>
+    </property>
+    <property name="text">
+     <string>Toggle cursor</string>
+    </property>
+    <property name="autoDefault">
+     <bool>false</bool>
+    </property>
+    <property name="default">
+     <bool>false</bool>
+    </property>
+   </widget>
   </widget>
   <widget class="QMenuBar" name="menubar">
    <property name="geometry">
@@ -203,8 +222,9 @@ color: rgb(238, 238, 236);</string>
   <widget class="QStatusBar" name="statusbar"/>
  </widget>
  <tabstops>
-  <tabstop>pushButtonExit</tabstop>
+  <tabstop>pushButtonToggleCursor</tabstop>
   <tabstop>pushButtonSettings</tabstop>
+  <tabstop>pushButtonExit</tabstop>
  </tabstops>
  <resources/>
  <connections/>

src/autoapp/USB/USBMain.cpp

@@ -49,21 +49,26 @@ USBMain::USBMain(libusb_context* context)
 int USBMain::exec(int argc, char* argv[])
 {
     QApplication qApplication(argc, argv);
-#ifdef RASPBERRYPI3
-    qApplication.setOverrideCursor(Qt::BlankCursor);
-#endif
 
     ui::MainWindow mainWindow;
     mainWindow.setWindowFlags(Qt::WindowStaysOnTopHint);
+
     ui::SettingsWindow settingsWindow(configuration_);
     settingsWindow.setWindowFlags(Qt::WindowStaysOnTopHint);
 
     QObject::connect(&mainWindow, &ui::MainWindow::exit, []() { std::exit(0); });
     QObject::connect(&mainWindow, &ui::MainWindow::openSettings, &settingsWindow, &ui::SettingsWindow::showFullScreen);
+
+    qApplication.setOverrideCursor(Qt::BlankCursor);
+    bool cursorVisible = false;
+    QObject::connect(&mainWindow, &ui::MainWindow::toggleCursor, [&cursorVisible, &qApplication]() {
+        cursorVisible = !cursorVisible;
+        qApplication.setOverrideCursor(cursorVisible ? Qt::ArrowCursor : Qt::BlankCursor);
+    });
+
     mainWindow.showFullScreen();
 
     boost::asio::io_service::work work(ioService_);
-
     this->startIOServiceWorkers();
     this->startUSBWorkers();
     usbApp_->start();