X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fglobalsettings.cpp;h=1a589fe9cf0459b986d88f2b5dfaa3398a1ba710;hp=925c48e1dff67826a0d52a038fee091a2d00479d;hb=c1a688dec0b117146a47cc5200e5bc81e445fd2c;hpb=8ad61f4071a69445a6917d214b6592878447ddb1

diff --git a/pv/globalsettings.cpp b/pv/globalsettings.cpp
index 925c48e1..1a589fe9 100644
--- a/pv/globalsettings.cpp
+++ b/pv/globalsettings.cpp
@@ -19,19 +19,28 @@
 
 #include "globalsettings.hpp"
 
-using std::function;
+#include <QApplication>
+#include <QFontMetrics>
+#include <QString>
+
 using std::map;
-using std::multimap;
+using std::vector;
 
 namespace pv {
 
-const QString GlobalSettings::Key_View_AlwaysZoomToFit = "View_AlwaysZoomToFit";
+const QString GlobalSettings::Key_View_ZoomToFitDuringAcq = "View_ZoomToFitDuringAcq";
+const QString GlobalSettings::Key_View_ZoomToFitAfterAcq = "View_ZoomToFitAfterAcq";
+const QString GlobalSettings::Key_View_TriggerIsZeroTime = "View_TriggerIsZeroTime";
 const QString GlobalSettings::Key_View_ColouredBG = "View_ColouredBG";
 const QString GlobalSettings::Key_View_StickyScrolling = "View_StickyScrolling";
 const QString GlobalSettings::Key_View_ShowSamplingPoints = "View_ShowSamplingPoints";
 const QString GlobalSettings::Key_View_ShowAnalogMinorGrid = "View_ShowAnalogMinorGrid";
+const QString GlobalSettings::Key_View_ConversionThresholdDispMode = "View_ConversionThresholdDispMode";
+const QString GlobalSettings::Key_View_DefaultDivHeight = "View_DefaultDivHeight";
+const QString GlobalSettings::Key_View_DefaultLogicHeight = "View_DefaultLogicHeight";
+const QString GlobalSettings::Key_Dec_InitialStateConfigurable = "Dec_InitialStateConfigurable";
 
-multimap< QString, function<void(QVariant)> > GlobalSettings::callbacks_;
+vector<GlobalSettingsInterface*> GlobalSettings::callbacks_;
 bool GlobalSettings::tracking_ = false;
 map<QString, QVariant> GlobalSettings::tracked_changes_;
 
@@ -41,10 +50,41 @@ GlobalSettings::GlobalSettings() :
 	beginGroup("Settings");
 }
 
-void GlobalSettings::register_change_handler(const QString key,
-	function<void(QVariant)> cb)
+void GlobalSettings::set_defaults_where_needed()
+{
+	// Enable zoom-to-fit after acquisition by default
+	if (!contains(Key_View_ZoomToFitAfterAcq))
+		setValue(Key_View_ZoomToFitAfterAcq, true);
+
+	// Enable coloured trace backgrounds by default
+	if (!contains(Key_View_ColouredBG))
+		setValue(Key_View_ColouredBG, true);
+
+	// Enable showing sampling points by default
+	if (!contains(Key_View_ShowSamplingPoints))
+		setValue(Key_View_ShowSamplingPoints, true);
+
+	if (!contains(Key_View_DefaultDivHeight))
+		setValue(Key_View_DefaultDivHeight,
+		3 * QFontMetrics(QApplication::font()).height());
+
+	if (!contains(Key_View_DefaultLogicHeight))
+		setValue(Key_View_DefaultLogicHeight,
+		2 * QFontMetrics(QApplication::font()).height());
+}
+
+void GlobalSettings::add_change_handler(GlobalSettingsInterface *cb)
+{
+	callbacks_.push_back(cb);
+}
+
+void GlobalSettings::remove_change_handler(GlobalSettingsInterface *cb)
 {
-	callbacks_.emplace(key, cb);
+	for (auto cb_it = callbacks_.begin(); cb_it != callbacks_.end(); cb_it++)
+		if (*cb_it == cb) {
+			callbacks_.erase(cb_it);
+			break;
+		}
 }
 
 void GlobalSettings::setValue(const QString &key, const QVariant &value)
@@ -56,11 +96,9 @@ void GlobalSettings::setValue(const QString &key, const QVariant &value)
 
 	QSettings::setValue(key, value);
 
-	// Call all registered callbacks for this key
-	auto range = callbacks_.equal_range(key);
-
-	for (auto it = range.first; it != range.second; it++)
-		it->second(value);
+	// Call all registered callbacks
+	for (GlobalSettingsInterface *cb : callbacks_)
+		cb->on_setting_changed(key, value);
 }
 
 void GlobalSettings::start_tracking()
@@ -85,4 +123,37 @@ void GlobalSettings::undo_tracked_changes()
 	tracked_changes_.clear();
 }
 
+void GlobalSettings::store_gvariant(QSettings &settings, GVariant *v)
+{
+	const GVariantType *var_type = g_variant_get_type(v);
+	char *var_type_str = g_variant_type_dup_string(var_type);
+
+	QByteArray var_data = QByteArray((const char*)g_variant_get_data(v),
+		g_variant_get_size(v));
+
+	settings.setValue("value", var_data);
+	settings.setValue("type", var_type_str);
+
+	g_free(var_type_str);
+}
+
+GVariant* GlobalSettings::restore_gvariant(QSettings &settings)
+{
+	QString raw_type = settings.value("type").toString();
+	GVariantType *var_type = g_variant_type_new(raw_type.toUtf8());
+
+	QByteArray data = settings.value("value").toByteArray();
+
+	gpointer var_data = g_memdup((gconstpointer)data.constData(),
+		(guint)data.size());
+
+	GVariant *value = g_variant_new_from_data(var_type, var_data,
+		data.size(), false, g_free, var_data);
+
+	g_variant_type_free(var_type);
+
+	return value;
+}
+
+
 } // namespace pv