qt: Disable requests context menu actions when appropriate

The recent requests table will allow you to copy data points even if they do not exist.
This PR implements checks to disable the 'copy label', 'copy message', and 'copy amount' context menu action if the respective fields are empty.

1 files changed, 3 insertions, 0 deletions

diff --git a/src/qt/receivecoinsdialog.h b/src/qt/receivecoinsdialog.h
index f12cd8ce0c..fbbccc5a33 100644
--- a/src/qt/receivecoinsdialog.h
+++ b/src/qt/receivecoinsdialog.h
@@ -53,6 +53,9 @@ private:
     Ui::ReceiveCoinsDialog *ui;
     WalletModel *model;
     QMenu *contextMenu;
+    QAction* copyLabelAction;
+    QAction* copyMessageAction;
+    QAction* copyAmountAction;
     const PlatformStyle *platformStyle;
 
     QModelIndex selectedRow();