/*
    QAD - Qt ADvanced

    Ivan Pelipenko peri4ko@yandex.ru, Andrey Bychkov work.a.b@yandex.ru

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser 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 Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef SHORTCUTS_H
#define SHORTCUTS_H

#include "clineedit.h"
#include "qad_widgets_export.h"

#include <QTreeWidget>


class QMainWindow;
class ShortcutEdit;


class QAD_WIDGETS_EXPORT ShortcutEdit: public CLineEdit {
	Q_OBJECT
	friend class Shortcuts;

public:
	explicit ShortcutEdit(QWidget * parent = nullptr);

	void assignAction(QAction * a);
	QAction * action() const;
	bool isEmpty() const;
	void commit();
	void reset();

private slots:
	void textChangedSlot(QString t);

private:
	void keyPressEvent(QKeyEvent * e) override;

	QAction * ca;
	QTreeWidgetItem * ti;
};


class QAD_WIDGETS_EXPORT Shortcuts: public QTreeWidget {
	Q_OBJECT

public:
	explicit Shortcuts(QWidget * parent = nullptr, bool on = true);
	~Shortcuts() override;

	void assignWindow(QWidget * w);
	void setActive(bool on) { active = on; }
	QStringList actionTree(QAction * a);
	static bool checkAction(QAction * a);
	QList<QPair<QString, QKeySequence>> shortcuts();

public slots:
	void clear();
	void updateShortcuts();
	void commit();
	void resetShortcuts();
	void filter(const QString & what);

private:
	virtual void updateEditorGeometries() override;
	virtual void changeEvent(QEvent *) override;
	bool filterTree(QTreeWidgetItem * ti, QString f);

	QMainWindow * aw;
	QVector<ShortcutEdit *> edits;
	QIcon empty_icon;
	QFont bfont;
	bool active;
};

#endif // SPINSLIDER_H