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/***************************************************************************
* SelectionBorderItem.h - selection border within a SignalView
* -------------------
* begin : Sat Mar 11 2017
* copyright : (C) 2017 by Thomas Eschenbacher
* email : Thomas.Eschenbacher@gmx.de
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#ifndef SELECTION_BORDER_ITEM_H
#define SELECTION_BORDER_ITEM_H
#include "config.h"
#include <QCursor>
#include <QString>
#include "libkwave/Sample.h"
#include "libgui/MouseMark.h"
#include "libgui/ViewItem.h"
namespace Kwave
{
// forward declarations
class SignalManager;
class SignalView;
class SelectionBorderItem: public Kwave::ViewItem
{
public:
/**
* Constructor
* @param view the owner (SignalView)
* @param signal_manager the corresponding SignalManager
* @param pos start position, either left or right border
*/
SelectionBorderItem(SignalView &view,
Kwave::SignalManager &signal_manager,
sample_index_t pos);
/** Destructor */
~SelectionBorderItem() override;
/**
* Returns flags describing the possible interactions with this object
* @see Kwave::ViewItem::Flags
*/
Kwave::ViewItem::Flags flags() const override;
/**
* Can be overwritten to return a tooltip. The default implementation
* returns an empty string.
*
* @param ofs sample index the tooltip should refer to (unused)
* @return an already localized tooltip
*/
QString toolTip(sample_index_t &ofs) override;
/**
* Returns a mouse cursor used when moving the item
*/
QCursor mouseCursor() const override;
/**
* handles updates when being moved with the mouse
* @param mouse_pos position of the mouse, in pixel coordinates
* relative to the parent widget
*/
void moveTo(const QPoint &mouse_pos) override;
private:
/** selection handler */
Kwave::MouseMark m_selection;
};
}
#endif /* SELECTION_BORDER_ITEM_H */
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