ui advanced settings show and hide is acceptable. qt size hint and

scaling ((((features)))) are dumb

qt5_src/Bootloader/MainWindow.cpp

@@ -998,29 +998,20 @@ void MainWindow::on_actionErase_Device_triggered()
 
 void MainWindow::on_checkBoxAdvancedMode_stateChanged(int state)
 {
+    int heightShrinkSize = ui->groupBoxAdvanced->height() + ui->groupBoxAdvanced->parentWidget()->layout()->spacing();
+    QSize cWidgetFinalSize(ui->centralWidget->width(), ui->centralWidget->height() - heightShrinkSize);
+    QSize windowFinalSize(width(), height() - heightShrinkSize);
+
     ui->groupBoxAdvanced->setVisible(state != 0);
+    ui->centralWidget->updateGeometry();
 
     // handle adjustment of window height when advanced controls are hidden
     if (state == 0)
     {
-        /*
-         * Qt's adjustSize() method on widget objects will scale the widget to only fit its' children.
-         * This is useful for "collapsing" the window when the advanced controls are hidden, but will
-         * scale both the height and the width. We want to retain the current width but change the
-         * height, so first we will back up the min and max width values then set the current width as
-         * the fixed width to prevent it from being scaled.
-         */
-        int minWidthBackup = minimumWidth();
-        int maxWidthBackup = maximumWidth();
-        setFixedWidth(width());
-
-        // perform the size adjustments
-        ui->centralWidget->adjustSize();
-        adjustSize();
-
-        // restore the min/max width values so the width is no longer fixed
-        setMinimumWidth(minWidthBackup);
-        setMaximumWidth(maxWidthBackup);
+        QTimer::singleShot(0, ui->centralWidget, [this,cWidgetFinalSize,windowFinalSize]() {
+            ui->centralWidget->resize(cWidgetFinalSize);
+            resize(windowFinalSize);
+        });
     }
 }