video/ps3eye: throttle sensor reset

2 files changed, 7 insertions, 3 deletions

diff --git a/video-ps3eye/module.cpp b/video-ps3eye/module.cpp
index 28deedc8..a4afacb5 100644
--- a/video-ps3eye/module.cpp
+++ b/video-ps3eye/module.cpp
@@ -254,16 +254,18 @@ OTR_REGISTER_CAMERA(ps3eye_camera_)
 dialog::dialog(QWidget* parent) : QWidget(parent)
 {
     ui.setupUi(this);
+    t.setInterval(500); t.setSingleShot(true);
     tie_setting(s.exposure, ui.exposure_slider);
     tie_setting(s.gain, ui.gain_slider);
     ui.exposure_label->setValue((int)*s.exposure);
     ui.gain_label->setValue((int)*s.gain);
-    connect(&s.exposure, value_::value_changed<slider_value>(), this, [this](const slider_value&) { s.set_exposure(); });
-    connect(&s.gain, value_::value_changed<slider_value>(), this, [this](const slider_value&) { s.set_gain(); });
+    connect(&s.exposure, value_::value_changed<slider_value>(), this, [this](const slider_value&) { t.stop(); t.start(); });
+    connect(&s.gain, value_::value_changed<slider_value>(), this, [this](const slider_value&) { t.stop(); t.start(); });
     connect(ui.exposure_slider, &QSlider::valueChanged, ui.exposure_label, &QSpinBox::setValue);
     connect(ui.gain_slider, &QSlider::valueChanged, ui.gain_label, &QSpinBox::setValue);
     connect(ui.buttonBox, &QDialogButtonBox::accepted, this, &dialog::do_ok);
     connect(ui.buttonBox, &QDialogButtonBox::rejected, this, &dialog::do_cancel);
+    connect(&t, &QTimer::timeout, this, [this] { s.set_exposure(); s.set_gain(); });
 }
 
 // XXX copypasta -sh 20200329
diff --git a/video-ps3eye/module.hpp b/video-ps3eye/module.hpp
index 56ffe5df..6dcec66a 100644
--- a/video-ps3eye/module.hpp
+++ b/video-ps3eye/module.hpp
@@ -10,6 +10,7 @@
 
 #include <QDialog>
 #include <QProcess>
+#include <QTimer>
 
 using namespace options;
 
@@ -34,6 +35,7 @@ class dialog final : public QWidget
     Q_OBJECT
     Ui_Dialog ui;
     settings s;
+    QTimer t{this};
 
     shm_wrapper shm { "ps3eye-driver-shm", nullptr, sizeof(ps3eye::shm) };
 
@@ -41,7 +43,7 @@ class dialog final : public QWidget
     void do_cancel() { s.b->reload(); close(); deleteLater(); }
 
 protected:
-    void closeEvent(QCloseEvent*) override { do_cancel(); }
+    void closeEvent(QCloseEvent*) override { do_cancel(); if (t.isActive()) { s.set_exposure(); s.set_gain(); } }
 
 public:
     explicit dialog(QWidget* parent = nullptr);