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/*
* Copyright (C) 2016, Mike Walters <mike@flomp.net>
*
* This file is part of inspectrum.
*
* 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 <QMouseEvent>
#include <QObject>
#include <QPainter>
#include <QPoint>
#include "cursor.h"
#include "util.h"
class Cursors : public QObject
{
Q_OBJECT
public:
Cursors(QObject * parent);
int segments();
bool mouseEvent(QEvent::Type type, QMouseEvent event);
void paintFront(QPainter &painter, QRect &rect, range_t<off_t> sampleRange);
range_t<int> selection();
void setSegments(int segments);
void setSelection(range_t<int> selection);
public slots:
void cursorMoved();
signals:
void cursorsMoved();
private:
bool pointWithinDragRegion(QPoint point);
Cursor *minCursor;
Cursor *maxCursor;
int segmentCount = 1;
QPoint dragPos; // keep track of dragging distance
bool cursorOverride = false; // used to record if cursor is overridden
bool dragging = false; // record if mouse is dragging
};