[gui] intro: inform caller if intro was shown

Author: Sjors

src/qt/bitcoin.cpp

@@ -491,8 +491,9 @@ int GuiMain(int argc, char* argv[])
 
     /// 5. Now that settings and translations are available, ask user for data directory
     // User language is set up: pick a data directory
-    if (!Intro::pickDataDirectory(*node))
-        return EXIT_SUCCESS;
+    bool did_show_intro = false;
+    // Gracefully exit if the user cancels
+    if (!Intro::showIfNeeded(*node, did_show_intro)) return EXIT_SUCCESS;
 
     /// 6. Determine availability of data directory and parse bitcoin.conf
     /// - Do not call GetDataDir(true) before this step finishes

src/qt/intro.cpp

@@ -180,8 +180,10 @@ void Intro::setDataDirectory(const QString &dataDir)
     }
 }
 
-bool Intro::pickDataDirectory(interfaces::Node& node)
+bool Intro::showIfNeeded(interfaces::Node& node, bool& did_show_intro)
 {
+    did_show_intro = false;
+
     QSettings settings;
     /* If data directory provided on command line, no need to look at settings
        or show a picking dialog */
@@ -205,6 +207,7 @@ bool Intro::pickDataDirectory(interfaces::Node& node)
         Intro intro(0, node.getAssumedBlockchainSize(), node.getAssumedChainStateSize());
         intro.setDataDirectory(dataDir);
         intro.setWindowIcon(QIcon(":icons/bitcoin"));
+        did_show_intro = true;
 
         while(true)
         {

src/qt/intro.h

@@ -46,7 +46,7 @@ class Intro : public QDialog
      * @note do NOT call global GetDataDir() before calling this function, this
      * will cause the wrong path to be cached.
      */
-    static bool pickDataDirectory(interfaces::Node& node);
+    static bool showIfNeeded(interfaces::Node& node, bool& did_show_intro);
 
 Q_SIGNALS:
     void requestCheck();