Sound gain dialog

src/qt/qt_soundgain.cpp

@@ -0,0 +1,35 @@
+#include "qt_soundgain.hpp"
+#include "ui_qt_soundgain.h"
+
+extern "C"
+{
+#include <86box/86box.h>
+#include <86box/plat.h>
+#include <86box/sound.h>
+}
+
+SoundGain::SoundGain(QWidget *parent) :
+    QDialog(parent),
+    ui(new Ui::SoundGain)
+{
+    ui->setupUi(this);
+    ui->verticalSlider->setValue(sound_gain);
+    sound_gain_orig = sound_gain;
+}
+
+SoundGain::~SoundGain()
+{
+    delete ui;
+}
+
+void SoundGain::on_verticalSlider_valueChanged(int value)
+{
+    sound_gain = value;
+}
+
+
+void SoundGain::on_SoundGain_rejected()
+{
+    sound_gain = sound_gain_orig;
+}
+