Merge #17956: gui: Disable unavailable context menu items in transactions tab

2b18fd2242a589988fbb68205dae4afa0b8b3d34 Disable unavailable context menu items in transactions tab (Kristaps Kaupe)

Pull request description:

  Fixes #9192.

ACKs for top commit:
  jonatack:
    Re-ACK 2b18fd2242a5899
  jonasschnelli:
    codereview utACK 2b18fd2242a589988fbb68205dae4afa0b8b3d34

Tree-SHA512: 4ea19c7b5976f1f0b1baecccb3077cf82f078af7257f92162686bcce2188efe49511a5f557853bc5fe0b10616708957d61c006944babbe60b8105e78751e865f

1 files changed, 9 insertions, 2 deletions

diff --git a/src/qt/guiutil.h b/src/qt/guiutil.h
index a26e7ff873..8741d90102 100644
--- a/src/qt/guiutil.h
+++ b/src/qt/guiutil.h
@@ -71,14 +71,21 @@ namespace GUIUtil
        @param[in] role    Data role to extract from the model
        @see  TransactionView::copyLabel, TransactionView::copyAmount, TransactionView::copyAddress
      */
-    void copyEntryData(QAbstractItemView *view, int column, int role=Qt::EditRole);
+    void copyEntryData(const QAbstractItemView *view, int column, int role=Qt::EditRole);
 
     /** Return a field of the currently selected entry as a QString. Does nothing if nothing
         is selected.
        @param[in] column  Data column to extract from the model
        @see  TransactionView::copyLabel, TransactionView::copyAmount, TransactionView::copyAddress
      */
-    QList<QModelIndex> getEntryData(QAbstractItemView *view, int column);
+    QList<QModelIndex> getEntryData(const QAbstractItemView *view, int column);
+
+    /** Returns true if the specified field of the currently selected view entry is not empty.
+       @param[in] column  Data column to extract from the model
+       @param[in] role    Data role to extract from the model
+       @see  TransactionView::contextualMenu
+     */
+    bool hasEntryData(const QAbstractItemView *view, int column, int role);
 
     void setClipboard(const QString& str);