ShortcutsDialog.hpp

/*
 * Stellarium
 * Copyright (C) 2012 Anton Samoylov
 *
 * 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA  02110-1335, USA.
 */

#ifndef SHORTCUTSDIALOG_HPP
#define SHORTCUTSDIALOG_HPP

#include <QKeySequence>
#include <QModelIndex>
#include <QSortFilterProxyModel>

#include "StelDialog.hpp"


class Ui_shortcutsDialogForm;
class ShortcutLineEdit;
class StelShortcut;
class StelShortcutGroup;
class StelShortcutMgr;

class QStandardItemModel;
class QStandardItem;


class ShortcutsFilterModel : public QSortFilterProxyModel
{
    Q_OBJECT
    
public:
    ShortcutsFilterModel(QObject* parent = 0);
    
protected:
    bool filterAcceptsRow(int source_row,
                          const QModelIndex &source_parent) const;
};


class ShortcutsDialog : public StelDialog
{
    Q_OBJECT

public:
    ShortcutsDialog();
    ~ShortcutsDialog();

    void drawCollisions();

public slots:
    void resetCollisions();
    void retranslate();
    void initEditors();
    bool prefixMatchKeySequence(const QKeySequence &ks1, const QKeySequence &ks2);
    QList<QStandardItem*> findCollidingItems(QKeySequence ks);
    void handleCollisions(ShortcutLineEdit* currentEdit);
    void handleChanges();
    void applyChanges() const;
    void switchToEditors(const QModelIndex& index);
    void updateShortcutsItem(StelShortcut* shortcut, QStandardItem* shortcutItem = NULL);
    void restoreDefaultShortcuts();
    void updateTreeData();

protected:
    virtual void createDialogContent();

private:
    static bool itemIsEditable(QStandardItem *item);
    void updateText();

    void polish();

    QStandardItem* updateGroup(StelShortcutGroup* group);

    QStandardItem* findItemByData(QVariant value, int role, int column = 0);

    StelShortcutMgr* shortcutMgr;

    QList<QStandardItem*> collisionItems;

    Ui_shortcutsDialogForm *ui;
    ShortcutsFilterModel* filterModel;
    QStandardItemModel* mainModel;
    void resetModel();
    void setModelHeader();
};

#endif // SHORTCUTSDIALOG_HPP