From: Soeren Apel <redacted>
Date: Thu, 14 Jun 2018 15:41:02 +0000 (+0200)
Subject: Prevent log length to be set to 0
X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=commitdiff_plain;h=b9a3a67e4bb39b769ac580d8d2f76eef6458f5d6

Prevent log length to be set to 0

Doing so prevents PV from starting up, so disallow it
---

diff --git a/pv/dialogs/settings.cpp b/pv/dialogs/settings.cpp
index 04565a3f..5b33272b 100644
--- a/pv/dialogs/settings.cpp
+++ b/pv/dialogs/settings.cpp
@@ -493,6 +493,7 @@ QWidget *Settings::get_logging_page(QWidget *parent) const
 	// Background buffer size
 	QSpinBox *buffersize_sb = new QSpinBox();
 	buffersize_sb->setSuffix(tr(" lines"));
+	buffersize_sb->setMinimum(Logging::MIN_BUFFER_SIZE);
 	buffersize_sb->setMaximum(Logging::MAX_BUFFER_SIZE);
 	buffersize_sb->setValue(
 		settings.value(GlobalSettings::Key_Log_BufferSize).toInt());
diff --git a/pv/logging.cpp b/pv/logging.cpp
index ab0594c3..dea333e5 100644
--- a/pv/logging.cpp
+++ b/pv/logging.cpp
@@ -34,6 +34,7 @@ namespace pv {
 
 Logging logging;
 
+const int Logging::MIN_BUFFER_SIZE = 10;
 const int Logging::MAX_BUFFER_SIZE = 50000;
 
 Logging::~Logging()
diff --git a/pv/logging.hpp b/pv/logging.hpp
index fe05c543..28f21074 100644
--- a/pv/logging.hpp
+++ b/pv/logging.hpp
@@ -44,6 +44,7 @@ public:
 		LogSource_srd
 	};
 
+	static const int MIN_BUFFER_SIZE;
 	static const int MAX_BUFFER_SIZE;
 
 public: