[gui][load] Fix high cpu load / optimizing

src/autoapp/UI/MainWindow.cpp

@@ -27,6 +27,8 @@
 #include <QTextStream>
 #include <QFontDatabase>
 #include <QFont>
+#include <thread>
+#include <chrono>
 
 namespace f1x
 {
@@ -378,6 +380,10 @@ void f1x::openauto::autoapp::ui::MainWindow::cameraControlShow()
         ui_->pushButtonSave->show();
         this->dashcamBGState = true;
         ui_->pushButtonCameraHide->show();
+        if (this->brightnessSliderVisible) {
+            ui_->horizontalSliderBrightness->hide();
+            this->brightnessSliderVisible = false;
+        }
     }
 }
 
@@ -409,6 +415,10 @@ void f1x::openauto::autoapp::ui::MainWindow::toggleExit()
 void f1x::openauto::autoapp::ui::MainWindow::showRearCamBG()
 {
     ui_->pushButtonRearcamBack->show();
+    if (this->brightnessSliderVisible) {
+        ui_->horizontalSliderBrightness->hide();
+        this->brightnessSliderVisible = false;
+    }
 }
 
 void f1x::openauto::autoapp::ui::MainWindow::hideRearCamBG()
@@ -422,6 +432,10 @@ void f1x::openauto::autoapp::ui::MainWindow::showTime()
     QString time_text=time.toString("hh : mm : ss");
     ui_->Digital_clock->setText(time_text);
 
+    using namespace std::this_thread; // sleep_for
+    using namespace std::chrono; // milliseconds
+    sleep_for(milliseconds(125));
+
     /**if (configuration_->showClock()) {
         if (ui_->Digital_clock->isVisible() == true) {
             ui_->Digital_clock->hide();