gui, tracker/{aruco,pt}, api: detect whether widget is visible on screen

Sadly, it's only implemented right now on win32.

Remove "set enabled" code for the video widget since it only works for
explicit window minimization, not covering by other windows.

1 files changed, 0 insertions, 35 deletions

diff --git a/tracker-aruco/ar_video_widget.h b/tracker-aruco/ar_video_widget.h
deleted file mode 100644
index ea14dfbf..00000000
--- a/tracker-aruco/ar_video_widget.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/* Copyright (c) 2014 Stanislaw Halik
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- */
-
-#pragma once
-
-#include <QTimer>
-#include <QWidget>
-#include <QMutex>
-#include <QMutexLocker>
-#include <QPainter>
-#include <QPaintEvent>
-#include <opencv2/core.hpp>
-#include <opencv2/imgproc.hpp>
-#include <opencv2/calib3d.hpp>
-
-class ArucoVideoWidget : public QWidget
-{
-    Q_OBJECT
-private:
-    QMutex mtx;
-    QImage texture;
-    QTimer timer;
-    cv::Mat _frame;
-    bool fresh;
-private slots:
-    void update_and_repaint(); 
-public:
-    ArucoVideoWidget(QWidget *parent);
-    void update_image(const cv::Mat& frame);   
-    void paintEvent( QPaintEvent*) override;
-};