Add a tooltip for the "Stack decoder" button/dropdown.

diff --git a/pv/view/decodetrace.cpp b/pv/view/decodetrace.cpp
index 0a624c311d9df9693ee0e5482957ec20fd3b2275..4a56c551f91c6dc6b6db1f0f77a96b4dbd8a2052 100644 (file)
--- a/pv/view/decodetrace.cpp
+++ b/pv/view/decodetrace.cpp
@@ -333,6 +333,7 @@ void DecodeTrace::populate_popup_form(QWidget *parent, QFormLayout *form)
        QPushButton *const stack_button =
                new QPushButton(tr("Stack Decoder"), parent);
        stack_button->setMenu(decoder_menu);
+       stack_button->setToolTip(tr("Stack a higher-level decoder on top of this one"));
 
        QHBoxLayout *stack_button_box = new QHBoxLayout;
        stack_button_box->addWidget(stack_button, 0, Qt::AlignRight);