Use nullptr in a few places.

[pulseview.git] / pv / dialogs / settings.cpp

diff --git a/pv/dialogs/settings.cpp b/pv/dialogs/settings.cpp
index 8cb8d67de31ad58958464bb1f27e72afa665cddd..eb9e88b6755ddc2813d08d66f3fd208be7f6cd21 100644 (file)
--- a/pv/dialogs/settings.cpp
+++ b/pv/dialogs/settings.cpp
@@ -31,7 +31,7 @@ namespace pv {
 namespace dialogs {
 
 Settings::Settings(QWidget *parent) :
-       QDialog(parent, 0)
+       QDialog(parent, nullptr)
 {
        QTabWidget *tab_stack = new QTabWidget(this);
        tab_stack->addTab(get_view_settings_form(tab_stack), tr("&Views"));
@@ -45,6 +45,10 @@ Settings::Settings(QWidget *parent) :
 
        connect(button_box, SIGNAL(accepted()), this, SLOT(accept()));
        connect(button_box, SIGNAL(rejected()), this, SLOT(reject()));
+
+       // Start to record changes
+       GlobalSettings settings;
+       settings.start_tracking();
 }
 
 QWidget *Settings::get_view_settings_form(QWidget *parent) const
@@ -76,11 +80,17 @@ QWidget *Settings::get_view_settings_form(QWidget *parent) const
 
 void Settings::accept()
 {
+       GlobalSettings settings;
+       settings.stop_tracking();
+
        QDialog::accept();
 }
 
 void Settings::reject()
 {
+       GlobalSettings settings;
+       settings.undo_tracked_changes();
+
        QDialog::reject();
 }