From: Soeren Apel <redacted>
Date: Tue, 6 Jun 2017 14:14:54 +0000 (+0200)
Subject: Fix #862 by implementing -c / --clean
X-Git-Tag: pulseview-0.4.0~28
X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=commitdiff_plain;h=156f06e95f10587063b97b6b453a603751a0007c

Fix #862 by implementing -c / --clean
---

diff --git a/main.cpp b/main.cpp
index d0ca64a2..9c27f7b7 100644
--- a/main.cpp
+++ b/main.cpp
@@ -68,6 +68,7 @@ void usage()
 		"  -l, --loglevel                  Set libsigrok/libsigrokdecode loglevel\n"
 		"  -i, --input-file                Load input from file\n"
 		"  -I, --input-format              Input format\n"
+		"  -c, --clean                     Don't restore previous sessions on startup\n"
 		"\n", PV_BIN_NAME, PV_DESCRIPTION);
 }
 
@@ -76,6 +77,7 @@ int main(int argc, char *argv[])
 	int ret = 0;
 	shared_ptr<sigrok::Context> context;
 	string open_file, open_file_format;
+	bool restore_sessions = true;
 
 	Application a(argc, argv);
 
@@ -93,11 +95,12 @@ int main(int argc, char *argv[])
 			{"loglevel", required_argument, nullptr, 'l'},
 			{"input-file", required_argument, nullptr, 'i'},
 			{"input-format", required_argument, nullptr, 'I'},
+			{"clean", no_argument, nullptr, 'c'},
 			{nullptr, 0, nullptr, 0}
 		};
 
 		const int c = getopt_long(argc, argv,
-			"l:Vh?i:I:", long_options, nullptr);
+			"l:Vhc?i:I:", long_options, nullptr);
 		if (c == -1)
 			break;
 
@@ -136,6 +139,10 @@ int main(int argc, char *argv[])
 		case 'I':
 			open_file_format = optarg;
 			break;
+
+		case 'c':
+			restore_sessions = false;
+			break;
 		}
 	}
 
@@ -170,8 +177,8 @@ int main(int argc, char *argv[])
 			pv::DeviceManager device_manager(context);
 
 			// Initialise the main window
-			pv::MainWindow w(device_manager,
-				open_file, open_file_format);
+			pv::MainWindow w(device_manager, open_file, open_file_format,
+				restore_sessions);
 			w.show();
 
 #ifdef ENABLE_SIGNALS
diff --git a/pv/mainwindow.cpp b/pv/mainwindow.cpp
index 86a01553..9286a06c 100644
--- a/pv/mainwindow.cpp
+++ b/pv/mainwindow.cpp
@@ -70,7 +70,7 @@ const QString MainWindow::WindowTitle = tr("PulseView");
 
 MainWindow::MainWindow(DeviceManager &device_manager,
 	string open_file_name, string open_file_format,
-	QWidget *parent) :
+	bool restore_sessions, QWidget *parent) :
 	QMainWindow(parent),
 	device_manager_(device_manager),
 	session_selector_(this),
@@ -92,7 +92,7 @@ MainWindow::MainWindow(DeviceManager &device_manager,
 		bind(&MainWindow::on_settingViewShowAnalogMinorGrid_changed, this, _1));
 
 	setup_ui();
-	restore_ui_settings();
+	restore_ui_settings(restore_sessions);
 
 	if (!open_file_name.empty()) {
 		shared_ptr<Session> session = add_session();
@@ -455,10 +455,9 @@ void MainWindow::save_ui_settings()
 	settings.setValue("sessions", id);
 }
 
-void MainWindow::restore_ui_settings()
+void MainWindow::restore_ui_settings(bool restore_sessions)
 {
 	QSettings settings;
-	int i, session_count;
 
 	settings.beginGroup("MainWindow");
 
@@ -470,13 +469,17 @@ void MainWindow::restore_ui_settings()
 
 	settings.endGroup();
 
-	session_count = settings.value("sessions", 0).toInt();
+	if (restore_sessions) {
+		int i, session_count;
 
-	for (i = 0; i < session_count; i++) {
-		settings.beginGroup("Session" + QString::number(i));
-		shared_ptr<Session> session = add_session();
-		session->restore_settings(settings);
-		settings.endGroup();
+		session_count = settings.value("sessions", 0).toInt();
+
+		for (i = 0; i < session_count; i++) {
+			settings.beginGroup("Session" + QString::number(i));
+			shared_ptr<Session> session = add_session();
+			session->restore_settings(settings);
+			settings.endGroup();
+		}
 	}
 }
 
diff --git a/pv/mainwindow.hpp b/pv/mainwindow.hpp
index 6541ccc6..ab0f871e 100644
--- a/pv/mainwindow.hpp
+++ b/pv/mainwindow.hpp
@@ -72,6 +72,7 @@ public:
 	explicit MainWindow(DeviceManager &device_manager,
 		string open_file_name = string(),
 		string open_file_format = string(),
+		bool restore_sessions = true,
 		QWidget *parent = nullptr);
 
 	~MainWindow();
@@ -92,7 +93,7 @@ private:
 
 	void save_ui_settings();
 
-	void restore_ui_settings();
+	void restore_ui_settings(bool restore_sessions);
 
 	shared_ptr<Session> get_tab_session(int index) const;