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annotate libgui/graphics/QtHandlesUtils.cc @ 26112:36e0e5b428e7

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Implement uitable (patch #9084) * libgui/graphics/Table.[cc/h]: Add QT toolkit Table object. * libgui/graphics/module.mk: Add new files. * libgui/graphics/Backend.cc (toolkitObjectProperty, Backend::initialize, Backend::update): Add uitable. * libgui/graphics/Canvas.cc (Canvas::select_object): Allow uitable to be selected like uicontrol or uipanel. * libgui/graphics/ObjectFactory.cc (ObjectFactory::createObject): Add uitable. * libgui/graphics/QtHandlesUtils.cc (computeFont<uibuttongroup>): Make computeFont template for uitable. * libinterp/corefcn/gl-render.cc (opengl_renderer::draw): Add uitable. * libinterp/corefcn/graphics.cc (default_table_position, default_table_backgroundcolor): Add new static default values. * libinterp/corefcn/graphics.cc (lookup_object_name, make_graphics_object_from_type, property_list::set, property_list::lookup): Add uipanel. * libinterp/corefcn/graphics.cc (uitable::properties::get_boundingbox, uitable::properties::set_columnformat, uitable::properties::set_columnwidth, uitable::properties::set_units, uitable::properties::update_units, uitable::properties::set_fontunits, uitable::properties::update_fontunits, uitable::properties::get___fontsize_points__, uitable::properties::get_fontsize_pixels, uitable::properties::get_backgroundcolor_rgb, uitable::properties::get_alternatebackgroundcolor_rgb, uitable::properties::get_extent_matrix, uitable::properties::get_extent, uitable::properties::set_selectedobject, F__go_uitable__): Add new functions. * libinterp/corefcn/graphics.in.h: Add uitable. * scripts/gui/uitable.m: Add new file. * scripts/gui/module.mk: Add new file to list. * scripts/help/__unimplemented__.m: Remove uitable from missing_functions. * doc/interpreter/genpropdoc.m, doc/interpreter/gui.txi, doc/interpreter/module.mk, doc/interpreter/plot.txi: Add documentation for uitable. * NEWS: Add to list of new functions.
author Andrew Thornton <art27@cantab.net>
date Tue, 20 Dec 2016 03:25:17 +0000
parents 1f4ea87988a2
children dd97dc559679 00f796120a6d
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1 /*
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2
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3 Copyright (C) 2011-2018 Michael Goffioul
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4
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5 This file is part of Octave.
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6
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7 Octave is free software: you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by
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9 the Free Software Foundation, either version 3 of the License, or
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10 (at your option) any later version.
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11
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12 Octave is distributed in the hope that it will be useful, but
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13 WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 GNU General Public License for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with Octave; see the file COPYING. If not, see
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19 <https://www.gnu.org/licenses/>.
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21 */
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22
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23 #if defined (HAVE_CONFIG_H)
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24 # include "config.h"
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25 #endif
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26
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27 #include <QApplication>
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28 #include <QKeyEvent>
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29 #include <QMouseEvent>
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30
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31 #include <list>
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32
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33 #include "ov.h"
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34 #include "graphics.h"
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35
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36 #include "Backend.h"
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37 #include "Container.h"
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38 #include "KeyMap.h"
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39 #include "Object.h"
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40 #include "QtHandlesUtils.h"
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41
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42 #include "oct-string.h"
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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
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50 QString
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51 fromStdString (const std::string& s)
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52 {
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53 return QString::fromUtf8 (s.c_str ());
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54 }
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55
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56 std::string
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57 toStdString (const QString& s)
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58 {
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59 return std::string (s.toUtf8 ().data ());
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60 }
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61
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62 QStringList
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63 fromStringVector (const string_vector& v)
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64 {
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65 QStringList l;
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66 octave_idx_type n = v.numel ();
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67
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68 for (octave_idx_type i = 0; i < n; i++)
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69 l << fromStdString (v[i]);
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70
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71 return l;
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72 }
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73
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74 string_vector
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75 toStringVector (const QStringList& l)
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76 {
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77 string_vector v (l.length ());
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78 int i = 0;
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79
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80 foreach (const QString& s, l)
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81 v[i++] = toStdString (s);
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82
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83 return v;
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84 }
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85
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86 Cell toCellString (const QStringList& l)
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87 {
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88 QStringList tmp = l;
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89
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90 // don't get any empty lines from end of the list
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91 while ((tmp.length () > 0) && tmp.last ().isEmpty ())
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92 {
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93 tmp.removeLast ();
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94 }
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95 // no strings converts to a 1x1 cell with empty string
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96 if (tmp.isEmpty ())
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97 tmp += "";
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98
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99 Cell v (toStringVector (tmp));
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100 return v;
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101 }
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102
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103 template <typename T>
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104 QFont
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105 computeFont (const typename T::properties& props, int height)
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106 {
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107 QFont f (fromStdString (props.get_fontname ()));
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108
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109 static std::map<std::string, QFont::Weight> weightMap;
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110 static std::map<std::string, QFont::Style> angleMap;
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111 static bool mapsInitialized = false;
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113 if (! mapsInitialized)
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114 {
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115 weightMap["normal"] = QFont::Normal;
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116 weightMap["light"] = QFont::Light;
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117 weightMap["demi"] = QFont::DemiBold;
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118 weightMap["bold"] = QFont::Bold;
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119
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120 angleMap["normal"] = QFont::StyleNormal;
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121 angleMap["italic"] = QFont::StyleItalic;
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122 angleMap["oblique"] = QFont::StyleOblique;
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123
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124 mapsInitialized = true;
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125 }
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126
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127 f.setPointSizeF (props.get___fontsize_points__ (height));
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128 f.setWeight (weightMap[props.get_fontweight ()]);
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129 f.setStyle (angleMap[props.get_fontangle ()]);
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130
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131 return f;
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132 }
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133
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134 template QFont computeFont<uicontrol> (const uicontrol::properties& props,
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135 int height);
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136
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137 template QFont computeFont<uipanel> (const uipanel::properties& props,
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138 int height);
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139
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140 template QFont computeFont<uibuttongroup> (const uibuttongroup::properties&
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141 props,
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142 int height);
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143
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144 template QFont computeFont<uitable> (const uitable::properties& props,
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145 int height);
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146
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147 QColor
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148 fromRgb (const Matrix& rgb)
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149 {
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150 QColor c;
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151
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152 if (rgb.numel () == 3)
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153 c.setRgbF (rgb(0), rgb(1), rgb(2));
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154
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155 return c;
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156 }
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157
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158 Matrix
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159 toRgb (const QColor& c)
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160 {
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161 Matrix rgb (1, 3);
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162 double *rgbData = rgb.fortran_vec ();
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163
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164 // qreal is a typedef for double except for ARM CPU architectures
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165 // where it is a typedef for float (Bug #44970).
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166 qreal tmp[3];
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167 c.getRgbF (tmp, tmp+1, tmp+2);
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168 rgbData[0] = tmp[0]; rgbData[1] = tmp[1]; rgbData[2] = tmp[2];
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169
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170 return rgb;
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171 }
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172
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173 std::string
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174 figureSelectionType (QMouseEvent *event, bool isDoubleClick)
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175 {
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176 if (isDoubleClick)
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177 return "open";
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178 else
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179 {
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180 Qt::MouseButtons buttons = event->buttons ();
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181 Qt::KeyboardModifiers mods = event->modifiers ();
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182
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183 if (mods == Qt::NoModifier)
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184 {
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185 if (buttons == Qt::LeftButton)
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186 return "normal";
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187 else if (buttons == Qt::RightButton)
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188 return "alt";
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189 #if defined (Q_WS_WIN)
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190 else if (buttons == (Qt::LeftButton | Qt::RightButton))
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191 return "extend";
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192 #elif defined (Q_WS_X11)
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193 else if (buttons == Qt::MidButton)
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194 return "extend";
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195 #endif
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196 }
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197 else if (buttons == Qt::LeftButton)
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198 {
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199 if (mods == Qt::ShiftModifier)
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200 return "extend";
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201 else if (mods == Qt::ControlModifier)
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202 return "alt";
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203 }
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204 }
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205
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206 return "normal";
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207 }
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208
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209 /*
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210 Two figureCurrentPoint() routines are required:
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211 1) Used for QMouseEvents where cursor position data is in callback from Qt.
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212 2) Used for QKeyEvents where cursor position must be determined.
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213 */
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214 Matrix
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215 figureCurrentPoint (const graphics_object& fig, QMouseEvent *event)
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216 {
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217 Object *tkFig = Backend::toolkitObject (fig);
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218
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219 if (tkFig)
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220 {
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221 Container *c = tkFig->innerContainer ();
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222
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223 if (c)
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224 {
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225 QPoint qp = c->mapFromGlobal (event->globalPos ());
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226
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227 return tkFig->properties<figure> ().map_from_boundingbox (qp.x (),
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228 qp.y ());
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229 }
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230 }
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231
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232 return Matrix (1, 2, 0.0);
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233 }
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234
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235 Matrix
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236 figureCurrentPoint (const graphics_object& fig)
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237 {
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238 Object *tkFig = Backend::toolkitObject (fig);
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239
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240 if (tkFig)
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241 {
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242 Container *c = tkFig->innerContainer ();
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243
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244 if (c)
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245 {
23070
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246 // FIXME: QCursor::pos() may give inaccurate results with
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247 // asynchronous window systems like X11 over ssh.
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248 QPoint qp = c->mapFromGlobal (QCursor::pos ());
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249
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250 return tkFig->properties<figure> ().map_from_boundingbox (qp.x (),
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251 qp.y ());
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252 }
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253 }
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254
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255 return Matrix (1, 2, 0.0);
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256 }
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257
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258 Qt::Alignment
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259 fromHVAlign (const std::string& halign, const std::string& valign)
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260 {
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261 Qt::Alignment flags;
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262
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263 if (octave::string::strcmpi (halign, "left"))
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264 flags |= Qt::AlignLeft;
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265 else if (octave::string::strcmpi (halign, "center"))
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266 flags |= Qt::AlignHCenter;
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267 else if (octave::string::strcmpi (halign, "right"))
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268 flags |= Qt::AlignRight;
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269 else
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270 flags |= Qt::AlignLeft;
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271
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272 if (octave::string::strcmpi (valign, "middle"))
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273 flags |= Qt::AlignVCenter;
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274 else if (octave::string::strcmpi (valign, "top"))
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275 flags |= Qt::AlignTop;
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276 else if (octave::string::strcmpi (valign, "bottom"))
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277 flags |= Qt::AlignBottom;
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278 else
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279 flags |= Qt::AlignVCenter;
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280
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281 return flags;
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282 }
2e7cad6f180c Initial integration of QtHandles.
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283
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284 QImage
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285 makeImageFromCData (const octave_value& v, int width, int height)
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286 {
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287 dim_vector dv (v.dims ());
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288
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289 if (dv.ndims () == 3 && dv(2) == 3)
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290 {
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291 int w = qMin (dv(1), static_cast<octave_idx_type> (width));
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292 int h = qMin (dv(0), static_cast<octave_idx_type> (height));
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293
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294 int x_off = (w < width ? (width - w) / 2 : 0);
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295 int y_off = (h < height ? (height - h) / 2 : 0);
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296
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297 QImage img (width, height, QImage::Format_ARGB32);
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298 img.fill (qRgba (0, 0, 0, 0));
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299
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300 if (v.is_uint8_type ())
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301 {
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302 uint8NDArray d = v.uint8_array_value ();
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303
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304 for (int i = 0; i < w; i++)
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305 for (int j = 0; j < h; j++)
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306 {
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307 int r = d(j, i, 0);
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308 int g = d(j, i, 1);
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309 int b = d(j, i, 2);
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310 int a = 255;
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311
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312 img.setPixel (x_off + i, y_off + j, qRgba (r, g, b, a));
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313 }
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314 }
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315 else if (v.is_single_type ())
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316 {
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317 FloatNDArray f = v.float_array_value ();
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318
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319 for (int i = 0; i < w; i++)
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320 for (int j = 0; j < h; j++)
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321 {
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322 float r = f(j, i, 0);
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323 float g = f(j, i, 1);
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324 float b = f(j, i, 2);
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325 int a = (octave::math::isnan (r) || octave::math::isnan (g)
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326 || octave::math::isnan (b) ? 0 : 255);
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327
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328 img.setPixel (x_off + i, y_off + j,
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329 qRgba (octave::math::round (r * 255),
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330 octave::math::round (g * 255),
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331 octave::math::round (b * 255),
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332 a));
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333 }
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334 }
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335 else if (v.isreal ())
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336 {
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337 NDArray d = v.array_value ();
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338
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339 for (int i = 0; i < w; i++)
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340 for (int j = 0; j < h; j++)
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341 {
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342 double r = d(j, i, 0);
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343 double g = d(j, i, 1);
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344 double b = d(j, i, 2);
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345 int a = (octave::math::isnan (r) || octave::math::isnan (g)
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346 || octave::math::isnan (b) ? 0 : 255);
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347
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348 img.setPixel (x_off + i, y_off + j,
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349 qRgba (octave::math::round (r * 255),
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350 octave::math::round (g * 255),
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351 octave::math::round (b * 255),
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352 a));
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353 }
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354 }
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355
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356 return img;
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357 }
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358
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359 return QImage ();
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360 }
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361
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362 octave_scalar_map
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363 makeKeyEventStruct (QKeyEvent *event)
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364 {
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365 octave_scalar_map retval;
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366
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367 retval.setfield ("Key", KeyMap::qKeyToKeyString (event->key ()));
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368 retval.setfield ("Character", toStdString (event->text ()));
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369
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370 std::list<std::string> modList;
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371 Qt::KeyboardModifiers mods = event->modifiers ();
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372
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373 if (mods & Qt::ShiftModifier)
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374 modList.push_back ("shift");
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375 if (mods & Qt::ControlModifier)
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376 #if defined (Q_OS_MAC)
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377 modList.push_back ("command");
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378 #else
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379 modList.push_back ("control");
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380 #endif
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381 if (mods & Qt::AltModifier)
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382 modList.push_back ("alt");
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383 #if defined (Q_OS_MAC)
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384 if (mods & Qt::MetaModifier)
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385 modList.push_back ("control");
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386 #endif
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387
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388 retval.setfield ("Modifier", Cell (modList));
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389
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390 return retval;
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391 }
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392
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393 }
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394
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395 }