*/
#include <cassert>
+#include <cfloat>
+#include <cmath>
#include <QComboBox>
#include "enum.hpp"
+using std::abs;
using std::pair;
using std::vector;
namespace pv {
namespace prop {
-Enum::Enum(QString name,
+Enum::Enum(QString name, QString desc,
vector<pair<Glib::VariantBase, QString> > values,
Getter getter, Setter setter) :
- Property(name, getter, setter),
+ Property(name, desc, getter, setter),
values_(values),
selector_(nullptr)
{
for (unsigned int i = 0; i < values_.size(); i++) {
const pair<Glib::VariantBase, QString> &v = values_[i];
selector_->addItem(v.second, qVariantFromValue(v.first));
- if (v.first.equal(variant))
- selector_->setCurrentIndex(i);
}
+ update_widget();
+
if (auto_commit)
connect(selector_, SIGNAL(currentIndexChanged(int)),
this, SLOT(on_current_item_changed(int)));
return selector_;
}
+void Enum::update_widget()
+{
+ if (!selector_)
+ return;
+
+ Glib::VariantBase variant = getter_();
+ assert(variant.gobj());
+
+ for (unsigned int i = 0; i < values_.size(); i++) {
+ const pair<Glib::VariantBase, QString> &v = values_[i];
+
+ // g_variant_equal() doesn't handle floating point properly
+ if (v.first.is_of_type(Glib::VariantType("d"))) {
+ gdouble a, b;
+ g_variant_get(variant.gobj(), "d", &a);
+ g_variant_get((GVariant*)(v.first.gobj()), "d", &b);
+ if (abs(a - b) <= 2 * DBL_EPSILON)
+ selector_->setCurrentIndex(i);
+ } else {
+ // Check for "(dd)" type and handle it if it's found
+ if (v.first.is_of_type(Glib::VariantType("(dd)"))) {
+ gdouble a1, a2, b1, b2;
+ g_variant_get(variant.gobj(), "(dd)", &a1, &a2);
+ g_variant_get((GVariant*)(v.first.gobj()), "(dd)", &b1, &b2);
+ if ((abs(a1 - b1) <= 2 * DBL_EPSILON) && \
+ (abs(a2 - b2) <= 2 * DBL_EPSILON))
+ selector_->setCurrentIndex(i);
+
+ } else
+ // Handle all other types
+ if (v.first.equal(variant))
+ selector_->setCurrentIndex(i);
+ }
+ }
+}
+
void Enum::commit()
{
assert(setter_);
commit();
}
-} // prop
-} // pv
+} // namespace prop
+} // namespace pv