File: categorizedview.h

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/*
 * Cantata
 *
 * Copyright (c) s2018 Craig Drummond <craig.p.drummond@gmail.com>
 *
 * ----
 *
 * 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; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

#ifndef CATEGORIZEDVIEW_H
#define CATEGORIZEDVIEW_H

#include "config.h"

#ifdef BUNDLED_KCATEGORIZEDVIEW
#include "kcategorizedview/kcategorizedview.h"
#else
#include <KCategorizedView>
#endif

#include "treeview.h"

class QIcon;
class QMenu;
class KCategorizedSortFilterProxyModel;

class CategorizedView : public KCategorizedView {
	Q_OBJECT

public:
	CategorizedView(QWidget* parent = nullptr);
	~CategorizedView() override;

	void selectionChanged(const QItemSelection& selected, const QItemSelection& deselected) override;
	bool haveSelectedItems() const;
	bool haveUnSelectedItems() const;
	void startDrag(Qt::DropActions supportedActions) override { TreeView::drag(supportedActions, this, selectedIndexes()); }
	void mouseReleaseEvent(QMouseEvent* event) override;
	QModelIndexList selectedIndexes() const override { return selectedIndexes(true); }
	QModelIndexList selectedIndexes(bool sorted) const;
	void setModel(QAbstractItemModel* m) override;
	void addDefaultAction(QAction* act);
	void setBackgroundImage(const QIcon& icon);
	void paintEvent(QPaintEvent* e) override;
	void installFilter(QObject* f)
	{
		eventFilter = f;
		installEventFilter(f);
	}
	QObject* filter() const { return eventFilter; }
	double zoom() const { return zoomLevel; }
	void setZoom(double l) { zoomLevel = l; }
	void setInfoText(const QString& i)
	{
		info = i;
		update();
	}
	void setRootIndex(const QModelIndex& idx) override;
	QModelIndex rootIndex() const;
	QModelIndex indexAt(const QPoint& point) const override { return indexAt(point, false); }
	QModelIndex indexAt(const QPoint& point, bool ensureFromSource) const;
	QModelIndex mapFromSource(const QModelIndex& idx) const;
	void setPlain(bool plain);

private Q_SLOTS:
	void correctSelection();
	void showCustomContextMenu(const QPoint& pos);
	void checkDoubleClick(const QModelIndex& idx);
	void checkClicked(const QModelIndex& idx);
	void checkActivated(const QModelIndex& idx);

Q_SIGNALS:
	bool itemsSelected(bool);
	void itemDoubleClicked(const QModelIndex& idx);
	void itemClicked(const QModelIndex& idx);
	void itemActivated(const QModelIndex& idx);

private:
	void rowsInserted(const QModelIndex& parent, int start, int end) override;

private:
	QString info;
	QObject* eventFilter;
	QMenu* menu;
	QPixmap bgnd;
	double zoomLevel;
	KCategorizedSortFilterProxyModel* proxy;
};

#endif