0000920: Hide turntable dialog when in fullscreen mode

src/Gui/DemoMode.cpp

@@ -26,6 +26,7 @@
 # include <cmath>
 # include <float.h>
 # include <climits>
+# include <QCursor>
 # include <QTimer>
 #include <Inventor/nodes/SoCamera.h>
 #endif
@@ -53,6 +54,11 @@ DemoMode::DemoMode(QWidget* parent, Qt::WFlags fl)
     timer->setInterval(1000 * ui->timeout->value());
     connect(timer, SIGNAL(timeout()), this, SLOT(onAutoPlay()));
     oldvalue = ui->angleSlider->value();
+
+    wasHidden = false;
+    showHideTimer = new QTimer(this);
+    showHideTimer->setInterval(5000);
+    connect(showHideTimer, SIGNAL(timeout()), this, SLOT(hide()));
 }
 
 /** Destroys the object and frees any allocated resources */
@@ -82,6 +88,35 @@ void DemoMode::reject()
     QDialog::reject();
 }
 
+bool DemoMode::eventFilter(QObject *obj, QEvent *event)
+{
+    if (event->type() == QEvent::MouseMove) {
+        if (ui->fullscreen->isChecked()) {
+            QPoint point = QCursor::pos() - oldPos;
+            if (point.manhattanLength() > 10) {
+                show();
+                showHideTimer->start();
+            }
+        }
+    }
+    return QDialog::eventFilter(obj, event);
+}
+
+void DemoMode::showEvent(QShowEvent *)
+{
+    if (this->wasHidden)
+        this->move(this->pnt);
+    this->wasHidden = false;
+}
+
+void DemoMode::hideEvent(QHideEvent *)
+{
+    this->pnt = this->pos();
+    this->wasHidden = true;
+    this->oldPos = QCursor::pos();
+    showHideTimer->stop();
+}
+
 Gui::View3DInventor* DemoMode::activeView() const
 {
     Document* doc = Application::Instance->activeDocument();
@@ -186,6 +221,14 @@ void DemoMode::on_fullscreen_toggled(bool on)
         view->setCurrentViewMode(on ? MDIView::/*TopLevel*/FullScreen : MDIView::Child);
         this->activateWindow();
     }
+    if (on) {
+        qApp->installEventFilter(this);
+        showHideTimer->start();
+    }
+    else {
+        qApp->removeEventFilter(this);
+        showHideTimer->stop();
+    }
 }
 
 void DemoMode::on_timeout_valueChanged(int v)

src/Gui/DemoMode.h

@@ -68,12 +68,19 @@ private:
     Gui::View3DInventor* activeView() const;
     void startAnimation(Gui::View3DInventor*);
     void changeEvent(QEvent *e);
+    bool eventFilter(QObject *, QEvent *);
+    void showEvent(QShowEvent *);
+    void hideEvent(QHideEvent *);
 
 private:
     int oldvalue;
     SbVec3f viewAxis;
+    bool wasHidden;
+    QPoint pnt;
+    QPoint oldPos;
     Ui_DemoMode* ui;
     QTimer* timer;
+    QTimer* showHideTimer;
 };
 
 } // namespace Dialog