QtHandlesUtils.h

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// Copyright (C) 2011-2022 The Octave Project Developers
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// See the file COPYRIGHT.md in the top-level directory of this
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// This file is part of Octave.
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#if ! defined (octave_QtHandlesUtils_h)
#define octave_QtHandlesUtils_h 1
 
#include <QColor>
#include <QFont>
#include <QImage>
#include <QString>
#include <QStringList>
 
#include <string>
 
#include "graphics.h"
 
class QKeyEvent;
class QMouseEvent;
class QWheelEvent;
 
namespace octave
{
 
  namespace Utils
  {
    QString fromStdString (const std::string& s);
    std::string toStdString (const QString& s);
 
    QStringList fromStringVector (const string_vector& v);
    string_vector toStringVector (const QStringList& l);
 
    Cell toCellString (const QStringList& l);
 
    template <typename T>
    QFont computeFont (const typename T::properties& props, int height = -1);
 
    QColor fromRgb (const Matrix& rgb);
    Matrix toRgb (const QColor& c);
 
    Qt::Alignment fromHVAlign (const std::string& halign,
                               const std::string& valign);
 
    std::string figureSelectionType (QMouseEvent *event,
                                     bool isDoubleClick = false);
 
    Matrix figureCurrentPoint (const graphics_object& fig, QMouseEvent *event);
    Matrix figureCurrentPoint (const graphics_object& fig);
 
    template <typename T>
    inline typename T::properties&
    properties (graphics_object obj)
    { return dynamic_cast<typename T::properties&> (obj.get_properties ()); }
 
    QImage makeImageFromCData (const octave_value& v, int width = -1,
                               int height = -1);
 
    octave_scalar_map makeKeyEventStruct (QKeyEvent *event);
    octave_scalar_map makeScrollEventStruct (QWheelEvent *event);
  }
 
}
 
#endif