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annotate libgui/graphics/QtHandlesUtils.h @ 27919:1891570abac8

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update Octave Project Developers copyright for the new year In files that have the "Octave Project Developers" copyright notice, update for 2020.
author John W. Eaton <jwe@octave.org>
date Mon, 06 Jan 2020 22:29:51 -0500
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1 /*
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2
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3 Copyright (C) 2011-2020 The Octave Project Developers
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4
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5 See the file COPYRIGHT.md in the top-level directory of this distribution
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6 or <https://octave.org/COPYRIGHT.html/>.
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7
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8
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9 This file is part of Octave.
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10
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11 Octave is free software: you can redistribute it and/or modify it
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12 under the terms of the GNU General Public License as published by
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13 the Free Software Foundation, either version 3 of the License, or
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14 (at your option) any later version.
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15
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16 Octave is distributed in the hope that it will be useful, but
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17 WITHOUT ANY WARRANTY; without even the implied warranty of
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18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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19 GNU General Public License for more details.
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20
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21 You should have received a copy of the GNU General Public License
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22 along with Octave; see the file COPYING. If not, see
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23 <https://www.gnu.org/licenses/>.
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24
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25 */
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26
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27 #if ! defined (octave_QtHandlesUtils_h)
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28 #define octave_QtHandlesUtils_h 1
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29
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30 #include <QColor>
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31 #include <QFont>
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32 #include <QImage>
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33 #include <QString>
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34 #include <QStringList>
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35
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36 #include <string>
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37
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38 #include "graphics.h"
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39
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40 class QKeyEvent;
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41 class QMouseEvent;
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42 class QWheelEvent;
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43
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44 namespace QtHandles
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45 {
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46
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47 namespace Utils
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48 {
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49 QString fromStdString (const std::string& s);
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50 std::string toStdString (const QString& s);
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51
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52 QStringList fromStringVector (const string_vector& v);
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53 string_vector toStringVector (const QStringList& l);
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54
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55 Cell toCellString (const QStringList& l);
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56
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57 template <typename T>
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58 QFont computeFont (const typename T::properties& props, int height = -1);
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59
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60 QColor fromRgb (const Matrix& rgb);
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61 Matrix toRgb (const QColor& c);
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62
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63 Qt::Alignment fromHVAlign (const std::string& halign,
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64 const std::string& valign);
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65
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66 std::string figureSelectionType (QMouseEvent *event,
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67 bool isDoubleClick = false);
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68
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69 Matrix figureCurrentPoint (const graphics_object& fig, QMouseEvent *event);
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70 Matrix figureCurrentPoint (const graphics_object& fig);
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71
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72 template <typename T>
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73 inline typename T::properties&
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74 properties (graphics_object obj)
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75 { return dynamic_cast<typename T::properties&> (obj.get_properties ()); }
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76
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77 QImage makeImageFromCData (const octave_value& v, int width = -1,
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78 int height = -1);
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79
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80 octave_scalar_map makeKeyEventStruct (QKeyEvent *event);
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81 octave_scalar_map makeScrollEventStruct (QWheelEvent *event);
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82 }
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83
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84 }
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85
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86 #endif