Fix #602 by keeping track of device state internally

[pulseview.git] / pv / widgets / popuptoolbutton.cpp

diff --git a/pv/widgets/popuptoolbutton.cpp b/pv/widgets/popuptoolbutton.cpp
index a5886aafed4a86b0c64891a5386ca71a934fba2d..5153eee55ad53d547600e70fd7d2b2a04437e6a3 100644 (file)
--- a/pv/widgets/popuptoolbutton.cpp
+++ b/pv/widgets/popuptoolbutton.cpp
@@ -20,14 +20,14 @@
 
 #include <assert.h>
 
-#include "popuptoolbutton.h"
+#include "popuptoolbutton.hpp"
 
 namespace pv {
 namespace widgets {
 
 PopupToolButton::PopupToolButton(QWidget *parent) :
        QToolButton(parent),
-       popup_(NULL)
+       popup_(nullptr)
 {
        connect(this, SIGNAL(clicked(bool)), this, SLOT(on_clicked(bool)));
 }