shortcutmanager.cpp

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/**********************************************************************
 * LeechCraft - modular cross-platform feature rich internet client.
 * Copyright (C) 2006-2014  Georg Rudoy
 *
 * Distributed under the Boost Software License, Version 1.0.
 * (See accompanying file LICENSE or copy at https://www.boost.org/LICENSE_1_0.txt)
 **********************************************************************/

#include "shortcutmanager.h"
#include <QAction>
#include <QShortcut>
#include <QWidget>
#include <interfaces/entityconstants.h>
#include <util/xpc/util.h>
#include <util/sll/prelude.h>
#include <util/sll/visitor.h>
#include "interfaces/ihaveshortcuts.h"
#include "interfaces/core/ientitymanager.h"
#include "interfaces/core/iiconthememanager.h"
#include "interfaces/core/ishortcutproxy.h"

namespace LC::Util
{
    ShortcutManager::ShortcutManager (const ICoreProxy_ptr& proxy, QObject *parent)
    : QObject { parent }
    , CoreProxy_ { proxy }
    , ContextObj_ { parent }
    {
    }

    void ShortcutManager::RegisterAction (const QByteArray& id, QAction *act)
    {
        Actions_ [id] << act;
        connect (act,
                &QObject::destroyed,
                this,
                [this, act]
                {
                    for (auto& list : Actions_)
                        list.removeAll (act);
                });

        if (HasActionInfo (id))
        {
            const auto& info = ActionInfo_ [id];
            if (act->text ().isEmpty ())
                act->setText (info.Text_);
            if (act->icon ().isNull ())
                Util::Visit (info.Icon_,
                        [] (Util::Void) {},
                        [this, act] (const QByteArray& name)
                        {
                            act->setIcon (CoreProxy_->GetIconThemeManager ()->GetIcon (name));
                            act->setProperty ("ActionIcon", name);
                        },
                        [act] (const QIcon& icon) { act->setIcon (icon); });
        }
        else
        {
            const auto& icon = act->icon ().isNull () ?
                    CoreProxy_->GetIconThemeManager ()->GetIcon (act->property ("ActionIcon").toString ()) :
                    act->icon ();
            auto shortcuts = act->shortcuts ();
            RegisterActionInfo (id,
                    {
                        act->text (),
                        shortcuts.value (0),
                        icon,
                        shortcuts.size () > 1 ? shortcuts.mid (1) : QList<QKeySequence> {},
                    });
        }

        if (CoreProxy_->GetShortcutProxy ()->HasObject (ContextObj_))
            SetShortcut (id,
                    CoreProxy_->GetShortcutProxy ()->GetShortcuts (ContextObj_, id));
    }

    void ShortcutManager::RegisterActions (const std::initializer_list<IDPair_t>& pairs)
    {
        for (const auto& [id, act] : pairs)
            RegisterAction (id, act);
    }

    void ShortcutManager::RegisterShortcut (const QByteArray& id, const ActionInfo& info, QShortcut *shortcut)
    {
        Shortcuts_ [id] << shortcut;
        connect (shortcut,
                &QObject::destroyed,
                this,
                [this, shortcut]
                {
                    for (auto& list : Shortcuts_)
                        list.removeAll (shortcut);

                    qDeleteAll (Shortcut2Subs_.take (shortcut));
                });

        RegisterActionInfo (id, info);

        if (CoreProxy_->GetShortcutProxy ()->HasObject (ContextObj_))
            SetShortcut (id,
                    CoreProxy_->GetShortcutProxy ()->GetShortcuts (ContextObj_, id));
    }

    void ShortcutManager::RegisterActionInfo (const QByteArray& id, const ActionInfo& info)
    {
        if (!HasActionInfo (id))
            ActionInfo_ [id] = info;
    }

    void ShortcutManager::RegisterGlobalShortcut (const QByteArray& id,
            QObject *target, const QByteArray& method, const ActionInfo& info)
    {
        Entity e = Util::MakeEntity ({}, {}, {}, Mimes::GlobalActionRegister);
        using namespace EF::GlobalAction;
        e.Additional_ [Receiver] = QVariant::fromValue (target);
        e.Additional_ [ActionID] = id;
        e.Additional_ [Method] = method;
        e.Additional_ [Shortcut] = QVariant::fromValue (info.Seq_);
        e.Additional_ [AltShortcuts] = Util::Map (info.AdditionalSeqs_,
                [] (const QKeySequence& seq) { return QVariant::fromValue (seq); });
        Globals_ [id] = e;

        ActionInfo_ [id] = info;
    }

    void ShortcutManager::AnnounceGlobalShorcuts ()
    {
        for (const auto& entity : std::as_const (Globals_))
            CoreProxy_->GetEntityManager ()->HandleEntity (entity);
    }

    void ShortcutManager::SetShortcut (const QByteArray& id, const QKeySequences_t& seqs)
    {
        for (auto act : std::as_const (Actions_ [id]))
            act->setShortcuts (seqs);

        for (auto sc : std::as_const (Shortcuts_ [id]))
        {
            sc->setKey (seqs.value (0));
            qDeleteAll (Shortcut2Subs_.take (sc));

            const int seqsSize = seqs.size ();
            for (int i = 1; i < seqsSize; ++i)
            {
                auto subsc = new QShortcut { sc->parent () };
                subsc->setContext (sc->context ());
                subsc->setKey (seqs.value (i));
                connect (subsc,
                        &QShortcut::activated,
                        sc,
                        &QShortcut::activated);
                Shortcut2Subs_ [sc] << subsc;
            }
        }

        if (Globals_.contains (id))
        {
            auto& e = Globals_ [id];
            e.Additional_ [QStringLiteral ("Shortcut")] = QVariant::fromValue (seqs.value (0));
            e.Additional_ [QStringLiteral ("AltShortcuts")] = Util::Map (seqs.mid (1),
                    [] (const QKeySequence& seq) { return QVariant::fromValue (seq); });
            CoreProxy_->GetEntityManager ()->HandleEntity (e);
        }
    }

    QMap<QByteArray, ActionInfo> ShortcutManager::GetActionInfo () const
    {
        return ActionInfo_;
    }

    ShortcutManager& ShortcutManager::operator<< (const QPair<QByteArray, QAction*>& pair)
    {
        RegisterAction (pair.first, pair.second);
        return *this;
    }

    bool ShortcutManager::HasActionInfo (const QByteArray& id) const
    {
        return ActionInfo_.contains (id) &&
                !ActionInfo_ [id].Text_.isEmpty ();
    }
}