Accept "bitcoin:" URL drops from browsers

src/qt/guiutil.h

@@ -8,20 +8,26 @@ class QFont;
 class QLineEdit;
 class QWidget;
 class QDateTime;
+class QUrl;
 QT_END_NAMESPACE
+class SendCoinsRecipient;
 
 class GUIUtil
 {
 public:
+    // Create human-readable string from date
     static QString DateTimeStr(qint64 nTime);
     static QString DateTimeStr(const QDateTime &datetime);
 
     // Render bitcoin addresses in monospace font
     static QFont bitcoinAddressFont();
 
+    // Set up widgets for address and amounts
     static void setupAddressWidget(QLineEdit *widget, QWidget *parent);
-
     static void setupAmountWidget(QLineEdit *widget, QWidget *parent);
+
+    // Parse "bitcoin:" URL into recipient object, return true on succesful parsing
+    static bool parseBitcoinURL(const QUrl *url, SendCoinsRecipient *out);
 };
 
 #endif // GUIUTIL_H