tdf#83877 Also check button state when changing text

Change-Id: I41651707085fb8e2b0c8702590f88d7dc4dd6621
Reviewed-on: https://gerrit.libreoffice.org/52845Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Samuel Mehrbrodt <Samuel.Mehrbrodt@cib.de>

cui/source/dialogs/SignSignatureLineDialog.cxx

@@ -71,6 +71,7 @@ SignSignatureLineDialog::SignSignatureLineDialog(weld::Widget* pParent, Referenc
 
     m_xBtnChooseCertificate->connect_clicked(
         LINK(this, SignSignatureLineDialog, chooseCertificate));
+    m_xEditName->connect_changed(LINK(this, SignSignatureLineDialog, entryChanged));
 
     // Read properties from selected signature line
     m_xShapeProperties->getPropertyValue("SignatureLineId") >>= m_aSignatureLineId;
@@ -125,6 +126,8 @@ IMPL_LINK_NOARG(SignSignatureLineDialog, chooseCertificate, weld::Button&, void)
     ValidateFields();
 }
 
+IMPL_LINK_NOARG(SignSignatureLineDialog, entryChanged, weld::Entry&, void) { ValidateFields(); }
+
 void SignSignatureLineDialog::ValidateFields()
 {
     bool bEnable = m_xSelectedCertifate.is() && !m_xEditName->get_text().isEmpty();

cui/source/inc/SignSignatureLineDialog.hxx

@@ -40,6 +40,7 @@ private:
     virtual void Apply() override;
 
     DECL_LINK(chooseCertificate, weld::Button&, void);
+    DECL_LINK(entryChanged, weld::Entry&, void);
 };
 
 #endif