pose-widget: don't display when window hidden

When the opentrack window isn't displayed (minimized or hidden by some
other window), don't bother with refreshing the image.

1 files changed, 4 insertions, 0 deletions

diff --git a/pose-widget/glwidget.h b/pose-widget/glwidget.h
index 0d48ede9..96187856 100644
--- a/pose-widget/glwidget.h
+++ b/pose-widget/glwidget.h
@@ -12,6 +12,7 @@
 #include <QPixmap>
 #include "opentrack/plugin-api.hpp"
 #include "opentrack/simple-mat.hpp"
+#include "opentrack-compat/timer.hpp"
 
 #ifdef BUILD_pose_widget
 #   define POSE_WIDGET_EXPORT Q_DECL_EXPORT
@@ -37,9 +38,12 @@ private:
     vec3 project2(const vec3& point);
     void project_quad_texture();
     static inline vec3 normal(const vec3& p1, const vec3& p2, const vec3& p3);
+
     rmat rotation;
     vec3 translation;
     QImage front;
     QImage back;
     QImage image;
+    Timer visible_timer;
+    bool visible;
 };