Add logging mechanism

[pulseview.git] / pv / globalsettings.hpp

diff --git a/pv/globalsettings.hpp b/pv/globalsettings.hpp
index c6b4cfc5891e617a4d44985f240268bf2a2fa1a0..eda3e03a0bfc1bc12b2fe6870bf8ed1c5df8299a 100644 (file)
--- a/pv/globalsettings.hpp
+++ b/pv/globalsettings.hpp
@@ -20,7 +20,6 @@
 #ifndef PULSEVIEW_GLOBALSETTINGS_HPP
 #define PULSEVIEW_GLOBALSETTINGS_HPP
 
-#include <functional>
 #include <map>
 
 #include <glib.h>
@@ -29,12 +28,18 @@
 #include <QString>
 #include <QVariant>
 
-using std::function;
 using std::map;
-using std::multimap;
+using std::vector;
 
 namespace pv {
 
+class GlobalSettingsInterface
+{
+public:
+       virtual void on_setting_changed(const QString &key, const QVariant &value) = 0;
+};
+
+
 class GlobalSettings : public QSettings
 {
        Q_OBJECT
@@ -51,6 +56,7 @@ public:
        static const QString Key_View_DefaultDivHeight;
        static const QString Key_View_DefaultLogicHeight;
        static const QString Key_Dec_InitialStateConfigurable;
+       static const QString Key_Log_BufferSize;
 
        enum ConvThrDispMode {
                ConvThrDispMode_None = 0,
@@ -63,8 +69,8 @@ public:
 
        void set_defaults_where_needed();
 
-       static void register_change_handler(const QString key,
-               function<void(QVariant)> cb);
+       static void add_change_handler(GlobalSettingsInterface *cb);
+       static void remove_change_handler(GlobalSettingsInterface *cb);
 
        void setValue(const QString& key, const QVariant& value);
 
@@ -91,7 +97,7 @@ public:
        static GVariant* restore_gvariant(QSettings &settings);
 
 private:
-       static multimap< QString, function<void(QVariant)> > callbacks_;
+       static vector<GlobalSettingsInterface*> callbacks_;
 
        static bool tracking_;
        static map<QString, QVariant> tracked_changes_;