Remember last selected Decompiler

src/common/Configuration.cpp

@@ -642,3 +642,13 @@ QStringList Configuration::getTranslationsDirectories() const
 #endif // Q_OS_MAC
     };
 }
+
+QString Configuration::getSelectedDecompiler()
+{
+    return s.value("selectedDecompiler").toString();
+}
+
+void Configuration::setSelectedDecompiler(const QString &id)
+{
+    s.setValue("selectedDecompiler", id);
+}

src/common/Configuration.h

@@ -148,6 +148,12 @@ public:
      */
     QStringList getTranslationsDirectories() const;
 
+    /**
+     * @return id of the last selected decompiler (see CutterCore::getDecompilerById)
+     */
+    QString getSelectedDecompiler();
+    void setSelectedDecompiler(const QString &id);
+
 signals:
     void fontsUpdated();
     void colorsUpdated();

src/widgets/PseudocodeWidget.cpp

@@ -60,8 +60,12 @@ PseudocodeWidget::PseudocodeWidget(MainWindow *main, QAction *action) :
     });
 
     auto decompilers = Core()->getDecompilers();
+    auto selectedDecompilerId = Config()->getSelectedDecompiler();
     for (auto dec : decompilers) {
         ui->decompilerComboBox->addItem(dec->getName(), dec->getId());
+        if (dec->getId() == selectedDecompilerId) {
+            ui->decompilerComboBox->setCurrentIndex(ui->decompilerComboBox->count() - 1);
+        }
     }
 
     if(decompilers.size() <= 1) {
@@ -71,6 +75,7 @@ PseudocodeWidget::PseudocodeWidget(MainWindow *main, QAction *action) :
         }
     }
 
+    connect(ui->decompilerComboBox, static_cast<void(QComboBox::*)(int)>(&QComboBox::currentIndexChanged), this, &PseudocodeWidget::decompilerSelected);
     connectCursorPositionChanged(false);
     connect(Core(), &CutterCore::seekChanged, this, &PseudocodeWidget::seekChanged);
 
@@ -124,6 +129,11 @@ void PseudocodeWidget::refreshPseudocode()
     doRefresh(Core()->getOffset());
 }
 
+void PseudocodeWidget::decompilerSelected()
+{
+    Configuration().setSelectedDecompiler(ui->decompilerComboBox->currentData().toString());
+}
+
 void PseudocodeWidget::connectCursorPositionChanged(bool disconnect)
 {
     if (disconnect) {

src/widgets/PseudocodeWidget.h

@@ -27,6 +27,7 @@ private slots:
     void fontsUpdated();
     void colorsUpdatedSlot();
     void refreshPseudocode();
+    void decompilerSelected();
     void cursorPositionChanged();
     void seekChanged();