GUI/Intro: Abstract GUI-to-option into Intro::getPrune

Author: luke-jr

src/qt/intro.cpp

@@ -182,6 +182,16 @@ void Intro::setDataDirectory(const QString &dataDir)
     }
 }
 
+int64_t Intro::getPruneMiB() const
+{
+    switch (ui->prune->checkState()) {
+    case Qt::Checked:
+        return PruneGBtoMiB(m_prune_target_gb);
+    case Qt::Unchecked: default:
+        return 0;
+    }
+}
+
 bool Intro::showIfNeeded(bool& did_show_intro, int64_t& prune_MiB)
 {
     did_show_intro = false;
@@ -233,7 +243,7 @@ bool Intro::showIfNeeded(bool& did_show_intro, int64_t& prune_MiB)
         }
 
         // Additional preferences:
-        prune_MiB = intro.ui->prune->isChecked() ? PruneGBtoMiB(intro.m_prune_target_gb) : int64_t(0);
+        prune_MiB = intro.getPruneMiB();
 
         settings.setValue("strDataDir", dataDir);
         settings.setValue("fReset", false);

src/qt/intro.h

@@ -36,6 +36,7 @@ class Intro : public QDialog
 
     QString getDataDirectory();
     void setDataDirectory(const QString &dataDir);
+    int64_t getPruneMiB() const;
 
     /**
      * Determine data directory. Let the user choose if the current one doesn't exist.