prop/bool: Add a tooltip containing a description.

This can be the description of an option of an input/output module,
for example.

diff --git a/pv/prop/bool.cpp b/pv/prop/bool.cpp
index aab5a723c862343feee4c89db918e2b43403f956..0dd1c50f10698702a2397ea604b27d6c285ab230 100644 (file)
--- a/pv/prop/bool.cpp
+++ b/pv/prop/bool.cpp
@@ -48,6 +48,7 @@ QWidget* Bool::get_widget(QWidget *parent, bool auto_commit)
                variant).get();
 
        check_box_ = new QCheckBox(name(), parent);
+       check_box_->setToolTip(desc());
        check_box_->setCheckState(value ? Qt::Checked : Qt::Unchecked);
 
        if (auto_commit)