QtHandlesUtils.h

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// Copyright (C) 2011-2023 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;
 
OCTAVE_BEGIN_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);
}
 
OCTAVE_END_NAMESPACE(octave)
 
#endif