Fix #1198 by removing the 1:1 zoom button

[pulseview.git] / pv / globalsettings.cpp

diff --git a/pv/globalsettings.cpp b/pv/globalsettings.cpp
index ee9741030c1098ee8d6c5352dfef6feccfa5fbdf..cd356ae631f70c4f1ec3d83d1ae29fad302a8b4d 100644 (file)
--- a/pv/globalsettings.cpp
+++ b/pv/globalsettings.cpp
@@ -19,20 +19,32 @@
 
 #include "globalsettings.hpp"
 
-using std::function;
+#include <QApplication>
+#include <QDebug>
+#include <QFontMetrics>
+#include <QString>
+
 using std::map;
-using std::multimap;
+using std::string;
+using std::vector;
 
 namespace pv {
 
-const QString GlobalSettings::Key_View_AlwaysZoomToFit = "View_AlwaysZoomToFit";
-const QString GlobalSettings::Key_View_ColouredBG = "View_ColouredBG";
+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_ColoredBG = "View_ColoredBG";
 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";
+const QString GlobalSettings::Key_Log_BufferSize = "Log_BufferSize";
+const QString GlobalSettings::Key_Log_NotifyOfStacktrace = "Log_NotifyOfStacktrace";
 
-multimap< QString, function<void(QVariant)> > GlobalSettings::callbacks_;
+vector<GlobalSettingsInterface*> GlobalSettings::callbacks_;
 bool GlobalSettings::tracking_ = false;
 map<QString, QVariant> GlobalSettings::tracked_changes_;
 
@@ -44,15 +56,47 @@ GlobalSettings::GlobalSettings() :
 
 void GlobalSettings::set_defaults_where_needed()
 {
-       // Enable coloured trace backgrounds by default
-       if (!contains(Key_View_ColouredBG))
-               setValue(Key_View_ColouredBG, true);
+       // Enable zoom-to-fit after acquisition by default
+       if (!contains(Key_View_ZoomToFitAfterAcq))
+               setValue(Key_View_ZoomToFitAfterAcq, true);
+
+       // Enable colored trace backgrounds by default
+       if (!contains(Key_View_ColoredBG))
+               setValue(Key_View_ColoredBG, 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());
+
+       // Default to 500 lines of backlog
+       if (!contains(Key_Log_BufferSize))
+               setValue(Key_Log_BufferSize, 500);
+
+       // Notify user of existing stack trace by default
+       if (!contains(Key_Log_NotifyOfStacktrace))
+               setValue(Key_Log_NotifyOfStacktrace, true);
+}
+
+void GlobalSettings::add_change_handler(GlobalSettingsInterface *cb)
+{
+       callbacks_.push_back(cb);
 }
 
-void GlobalSettings::register_change_handler(const QString key,
-       function<void(QVariant)> 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)
@@ -64,11 +108,12 @@ 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);
+       // TODO Emulate noquote()
+       qDebug() << "Setting" << key << "changed to" << value;
 
-       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()
@@ -93,4 +138,65 @@ 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;
+}
+
+void GlobalSettings::store_variantbase(QSettings &settings, Glib::VariantBase v)
+{
+       const QByteArray var_data = QByteArray((const char*)v.get_data(), v.get_size());
+
+       settings.setValue("value", var_data);
+       settings.setValue("type", QString::fromStdString(v.get_type_string()));
+}
+
+Glib::VariantBase GlobalSettings::restore_variantbase(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);
+
+       Glib::VariantBase ret_val = Glib::VariantBase(value, true);
+
+       g_variant_type_free(var_type);
+       g_variant_unref(value);
+
+       return ret_val;
+}
+
 } // namespace pv