matrixion/include/QuickSwitcher.h

/*
 * nheko Copyright (C) 2017  Konstantinos Sideris <siderisk@auth.gr>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#pragma once

#include <QAbstractItemView>
#include <QKeyEvent>
#include <QVBoxLayout>
#include <QWidget>

#include "Cache.h"
#include "SuggestionsPopup.hpp"
#include "TextField.h"

Q_DECLARE_METATYPE(std::vector<RoomSearchResult>)

class RoomSearchInput : public TextField
{
        Q_OBJECT
public:
        explicit RoomSearchInput(QWidget *parent = nullptr);

signals:
        void selectNextCompletion();
        void selectPreviousCompletion();
        void hiding();

protected:
        void keyPressEvent(QKeyEvent *event) override;
        void hideEvent(QHideEvent *event) override;
        bool focusNextPrevChild(bool) override { return false; };
};

class QuickSwitcher : public QWidget
{
        Q_OBJECT

public:
        QuickSwitcher(QSharedPointer<Cache> cache, QWidget *parent = nullptr);

signals:
        void closing();
        void roomSelected(const QString &roomid);
        void queryResults(const std::vector<RoomSearchResult> &rooms);

protected:
        void keyPressEvent(QKeyEvent *event) override;
        void showEvent(QShowEvent *) override { roomSearch_->setFocus(); }
        void paintEvent(QPaintEvent *event) override;

private:
        void reset()
        {
                emit closing();
                roomSearch_->clear();
        }

        // Current highlighted selection from the completer.
        int selection_ = -1;

        QVBoxLayout *topLayout_;
        RoomSearchInput *roomSearch_;

        //! Autocomplete popup box with the room suggestions.
        SuggestionsPopup popup_;
        //! Cache client for room quering.
        QSharedPointer<Cache> cache_;
};