57 lines
1.2 KiB
C++
57 lines
1.2 KiB
C++
// This file Copyright © 2022-2023 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 "GtkCompat.h"
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#include <libtransmission/tr-macros.h>
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#if GTKMM_CHECK_VERSION(4, 0, 0)
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#include <gtkmm/sorter.h>
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#else
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#include <glibmm/object.h>
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#endif
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template<typename T>
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class SorterBase : public IF_GTKMM4(Gtk::Sorter, Glib::Object)
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{
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public:
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#if !GTKMM_CHECK_VERSION(4, 0, 0)
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enum class Change{
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DIFFERENT,
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INVERTED,
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LESS_STRICT,
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MORE_STRICT,
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};
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#endif
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public:
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SorterBase() = default;
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~SorterBase() override = default;
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TR_DISABLE_COPY_MOVE(SorterBase)
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virtual int compare(T const& lhs, T const& rhs) const = 0;
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#if !GTKMM_CHECK_VERSION(4, 0, 0)
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sigc::signal<void(Change)>& signal_changed();
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#endif
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protected:
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#if GTKMM_CHECK_VERSION(4, 0, 0)
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// Gtk::Sorter
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Gtk::Ordering compare_vfunc(gpointer lhs, gpointer rhs) override;
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Order get_order_vfunc() override;
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#else
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void changed(Change change);
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#endif
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private:
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#if !GTKMM_CHECK_VERSION(4, 0, 0)
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sigc::signal<void(Change)> signal_changed_;
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#endif
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};
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