- Created "Advanced settings" tab in program preferences and moved "Disk cache" there

src/advancedsettings.h

@@ -0,0 +1,64 @@
+#ifndef ADVANCEDSETTINGS_H
+#define ADVANCEDSETTINGS_H
+
+#include <QTableWidget>
+#include <QHeaderView>
+#include <QSpinBox>
+#include "preferences.h"
+
+enum AdvSettingsCols {PROPERTY, VALUE};
+enum AdvSettingsRows {DISK_CACHE};
+#define ROW_COUNT 1
+enum AdvValueTYPE {UINT=1001};
+
+class AdvancedSettings: public QTableWidget {
+  Q_OBJECT
+
+private:
+  QSpinBox *spin_cache;
+
+public:
+  AdvancedSettings(QWidget *parent=0): QTableWidget(parent) {
+    // Set visual appearance
+    setColumnCount(2);
+    QStringList header;
+    header << tr("Property") << tr("Value");
+    setHorizontalHeaderLabels(header);
+    setColumnWidth(0, width()/2);
+    horizontalHeader()->setStretchLastSection(true);
+    setRowCount(ROW_COUNT);
+    // Load settings
+    loadAdvancedSettings();
+  }
+
+  ~AdvancedSettings() {
+    delete spin_cache;
+  }
+
+  public slots:
+  void saveAdvancedSettings() {
+    // Disk cache
+    Preferences::setDiskCacheSize(spin_cache->value());
+  }
+
+protected slots:
+  void loadAdvancedSettings() {
+    // Disk write cache
+    setItem(DISK_CACHE, PROPERTY, new QTableWidgetItem(tr("Disk write cache size (MiB)"), UINT));
+    spin_cache = new QSpinBox();
+    connect(spin_cache, SIGNAL(valueChanged(int)), this, SLOT(emitSettingsChanged()));
+    spin_cache->setMinimum(1);
+    spin_cache->setMaximum(200);
+    spin_cache->setValue(Preferences::diskCacheSize());
+    setCellWidget(DISK_CACHE, VALUE, spin_cache);
+  }
+
+  void emitSettingsChanged() {
+    emit settingsChanged();
+  }
+
+signals:
+  void settingsChanged();
+};
+
+#endif // ADVANCEDSETTINGS_H