X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fmainwindow.cpp;h=19caab32e2d8d63265758eee8b0bc0b28d2168ed;hp=91e38729167d98135b8d9755ecdc315042820217;hb=eaa02ef436fb9d8217a94076e1258da47d3cd8e0;hpb=7ea2a4ff0765fdad34b84e4b4631d6f3f5588714

diff --git a/pv/mainwindow.cpp b/pv/mainwindow.cpp
index 91e38729..19caab32 100644
--- a/pv/mainwindow.cpp
+++ b/pv/mainwindow.cpp
@@ -30,6 +30,7 @@
 #include <QAction>
 #include <QApplication>
 #include <QCloseEvent>
+#include <QDebug>
 #include <QDockWidget>
 #include <QHBoxLayout>
 #include <QMessageBox>
@@ -50,10 +51,8 @@
 
 #include <libsigrokcxx/libsigrokcxx.hpp>
 
-using std::bind;
 using std::dynamic_pointer_cast;
 using std::make_shared;
-using std::placeholders::_1;
 using std::shared_ptr;
 using std::string;
 
@@ -79,17 +78,7 @@ MainWindow::MainWindow(DeviceManager &device_manager, QWidget *parent) :
 	qRegisterMetaType<util::Timestamp>("util::Timestamp");
 	qRegisterMetaType<uint64_t>("uint64_t");
 
-	GlobalSettings::register_change_handler(GlobalSettings::Key_View_ColouredBG,
-		bind(&MainWindow::on_settingViewColouredBg_changed, this, _1));
-
-	GlobalSettings::register_change_handler(GlobalSettings::Key_View_ShowSamplingPoints,
-		bind(&MainWindow::on_settingViewShowSamplingPoints_changed, this, _1));
-
-	GlobalSettings::register_change_handler(GlobalSettings::Key_View_ShowAnalogMinorGrid,
-		bind(&MainWindow::on_settingViewShowAnalogMinorGrid_changed, this, _1));
-
-	GlobalSettings settings;
-	settings.set_defaults_where_needed();
+	GlobalSettings::add_change_handler(this);
 
 	setup_ui();
 	restore_ui_settings();
@@ -97,6 +86,8 @@ MainWindow::MainWindow(DeviceManager &device_manager, QWidget *parent) :
 
 MainWindow::~MainWindow()
 {
+	GlobalSettings::remove_change_handler(this);
+
 	while (!sessions_.empty())
 		remove_session(sessions_.front());
 }
@@ -400,6 +391,18 @@ void MainWindow::restore_sessions()
 	}
 }
 
+void MainWindow::on_setting_changed(const QString &key, const QVariant &value)
+{
+	if (key == GlobalSettings::Key_View_ColouredBG)
+		on_settingViewColouredBg_changed(value);
+
+	if (key == GlobalSettings::Key_View_ShowSamplingPoints)
+		on_settingViewShowSamplingPoints_changed(value);
+
+	if (key == GlobalSettings::Key_View_ShowAnalogMinorGrid)
+		on_settingViewShowAnalogMinorGrid_changed(value);
+}
+
 void MainWindow::setup_ui()
 {
 	setObjectName(QString::fromUtf8("MainWindow"));
@@ -560,6 +563,8 @@ bool MainWindow::restoreState(const QByteArray &state, int version)
 
 void MainWindow::session_error(const QString text, const QString info_text)
 {
+	qDebug().noquote() << "Notifying user of session error:" << info_text;
+
 	QMetaObject::invokeMethod(this, "show_session_error",
 		Qt::QueuedConnection, Q_ARG(QString, text),
 		Q_ARG(QString, info_text));