50 lines
1.3 KiB
C++
50 lines
1.3 KiB
C++
// This file Copyright © Mnemosyne LLC.
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// It may be used under GPLv2 (SPDX: GPL-2.0-only), GPLv3 (SPDX: GPL-3.0-only),
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// or any future license endorsed by Mnemosyne LLC.
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// License text can be found in the licenses/ folder.
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#pragma once
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#include "SorterBase.h"
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#if GTKMM_CHECK_VERSION(4, 0, 0)
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template<typename T>
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Gtk::Ordering SorterBase<T>::compare_vfunc(gpointer lhs, gpointer rhs)
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{
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auto const* const concrete_lhs = dynamic_cast<T const*>(Glib::wrap_auto(static_cast<GObject*>(lhs)));
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auto const* const concrete_rhs = dynamic_cast<T const*>(Glib::wrap_auto(static_cast<GObject*>(rhs)));
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if (concrete_lhs == nullptr && concrete_lhs == nullptr)
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{
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g_return_val_if_reached(Gtk::Ordering::EQUAL);
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}
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g_return_val_if_fail(concrete_lhs != nullptr, Gtk::Ordering::SMALLER);
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g_return_val_if_fail(concrete_rhs != nullptr, Gtk::Ordering::LARGER);
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return Gtk::Ordering{ compare(*concrete_lhs, *concrete_rhs) };
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}
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template<typename T>
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Gtk::Sorter::Order SorterBase<T>::get_order_vfunc()
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{
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return Gtk::Sorter::Order::PARTIAL;
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}
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#else
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template<typename T>
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sigc::signal<void(typename SorterBase<T>::Change)>& SorterBase<T>::signal_changed()
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{
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return signal_changed_;
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}
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template<typename T>
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void SorterBase<T>::changed(Change change)
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{
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signal_changed_.emit(change);
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}
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#endif
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