subwindow.hpp

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/*
 * This file is part of the PulseView project.
 *
 * Copyright (C) 2018 Soeren Apel <soeren@apelpie.net>
 *
 * 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 2 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/>.
 */

#ifndef PULSEVIEW_PV_SUBWINDOWS_DECODERSELECTOR_SUBWINDOW_HPP
#define PULSEVIEW_PV_SUBWINDOWS_DECODERSELECTOR_SUBWINDOW_HPP

#include <vector>

#include <QAbstractItemModel>
#include <QLabel>
#include <QSortFilterProxyModel>
#include <QSplitter>
#include <QTreeView>

#include "pv/subwindows/subwindowbase.hpp"

using std::shared_ptr;

namespace pv {
namespace subwindows {
namespace decoder_selector {

class DecoderCollectionItem
{
public:
    DecoderCollectionItem(const vector<QVariant>& data,
        shared_ptr<DecoderCollectionItem> parent = nullptr);

    void appendSubItem(shared_ptr<DecoderCollectionItem> item);

    shared_ptr<DecoderCollectionItem> subItem(int row) const;
    shared_ptr<DecoderCollectionItem> parent() const;
    shared_ptr<DecoderCollectionItem> findSubItem(const QVariant& value, int column);

    int subItemCount() const;
    int columnCount() const;
    int row() const;
    QVariant data(int column) const;

private:
    vector< shared_ptr<DecoderCollectionItem> > subItems_;
    vector<QVariant> data_;
    shared_ptr<DecoderCollectionItem> parent_;
};


class DecoderCollectionModel : public QAbstractItemModel
{
    Q_OBJECT

public:
    DecoderCollectionModel(QObject* parent = nullptr);

    QVariant data(const QModelIndex& index, int role) const override;
    Qt::ItemFlags flags(const QModelIndex& index) const override;

    QVariant headerData(int section, Qt::Orientation orientation,
        int role = Qt::DisplayRole) const override;
    QModelIndex index(int row, int column,
        const QModelIndex& parent_idx = QModelIndex()) const override;

    QModelIndex parent(const QModelIndex& index) const override;

    int rowCount(const QModelIndex& parent_idx = QModelIndex()) const override;
    int columnCount(const QModelIndex& parent_idx = QModelIndex()) const override;

private:
    shared_ptr<DecoderCollectionItem> root_;
};


class QCustomSortFilterProxyModel : public QSortFilterProxyModel
{
protected:
    bool filterAcceptsRow(int source_row, const QModelIndex& source_parent) const;
};

class QCustomTreeView : public QTreeView
{
    Q_OBJECT

public:
    void currentChanged(const QModelIndex& current, const QModelIndex& previous);

Q_SIGNALS:
    void current_changed(const QModelIndex& current);
};

class SubWindow : public SubWindowBase
{
    Q_OBJECT

public:
    explicit SubWindow(Session &session, QWidget *parent = nullptr);

    bool has_toolbar() const;
    QToolBar* create_toolbar(QWidget *parent) const;

    int minimum_width() const;

    vector<const char*> get_decoder_inputs(const srd_decoder* d) const;

    vector<const srd_decoder*> get_decoders_providing(const char* output) const;

Q_SIGNALS:
    void new_decoders_selected(vector<const srd_decoder*> decoders);

public Q_SLOTS:
    void on_item_changed(const QModelIndex& index);
    void on_item_activated(const QModelIndex& index);

    void on_filter_changed(const QString& text);
    void on_filter_return_pressed();

private:
    QSplitter* splitter_;
    QCustomTreeView* tree_view_;
    QWidget* info_box_;
    QLabel* info_label_header_;
    QLabel* info_label_body_;
    QLabel* info_label_footer_;
    DecoderCollectionModel* model_;
    QCustomSortFilterProxyModel* sort_filter_model_;
};

} // namespace decoder_selector
} // namespace subwindows
} // namespace pv

#endif // PULSEVIEW_PV_SUBWINDOWS_DECODERSELECTOR_SUBWINDOW_HPP