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annotate libgui/graphics/QtHandlesUtils.cc @ 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
parents b442ec6dda5c
children bd51beb6205e
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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 (HAVE_CONFIG_H)
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28 # include "config.h"
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29 #endif
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30
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31 #include <list>
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32
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33 #include <QApplication>
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34 #include <QKeyEvent>
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35 #include <QMouseEvent>
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36
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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 #include "qt-graphics-toolkit.h"
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42
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43 #include "oct-string.h"
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44
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45 #include "graphics.h"
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46 #include "ov.h"
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47
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48 namespace QtHandles
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49 {
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50
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51 namespace Utils
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52 {
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53
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54 QString
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55 fromStdString (const std::string& s)
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56 {
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57 return QString::fromUtf8 (s.c_str ());
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58 }
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59
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60 std::string
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61 toStdString (const QString& s)
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62 {
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63 return std::string (s.toUtf8 ().data ());
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64 }
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65
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66 QStringList
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67 fromStringVector (const string_vector& v)
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68 {
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69 QStringList l;
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70 octave_idx_type n = v.numel ();
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71
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72 for (octave_idx_type i = 0; i < n; i++)
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73 l << fromStdString (v[i]);
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74
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75 return l;
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76 }
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77
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78 string_vector
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79 toStringVector (const QStringList& l)
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80 {
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81 string_vector v (l.length ());
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82 int i = 0;
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83
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84 for (const auto& s : l)
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85 v[i++] = toStdString (s);
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86
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87 return v;
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88 }
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89
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90 Cell toCellString (const QStringList& l)
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91 {
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92 QStringList tmp = l;
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93
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94 // don't get any empty lines from end of the list
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95 while ((tmp.length () > 0) && tmp.last ().isEmpty ())
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96 {
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97 tmp.removeLast ();
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98 }
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99 // no strings converts to a 1x1 cell with empty string
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100 if (tmp.isEmpty ())
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101 tmp += "";
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102
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103 Cell v (toStringVector (tmp));
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104 return v;
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105 }
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106
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107 template <typename T>
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108 QFont
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109 computeFont (const typename T::properties& props, int height)
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110 {
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111 QFont f (fromStdString (props.get_fontname ()));
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112
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113 static std::map<std::string, QFont::Weight> weightMap;
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114 static std::map<std::string, QFont::Style> angleMap;
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115 static bool mapsInitialized = false;
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116
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117 if (! mapsInitialized)
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118 {
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119 weightMap["normal"] = QFont::Normal;
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120 weightMap["bold"] = QFont::Bold;
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121
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122 angleMap["normal"] = QFont::StyleNormal;
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123 angleMap["italic"] = QFont::StyleItalic;
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124 angleMap["oblique"] = QFont::StyleOblique;
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125
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126 mapsInitialized = true;
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127 }
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128
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129 f.setPointSizeF (props.get___fontsize_points__ (height));
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130 f.setWeight (weightMap[props.get_fontweight ()]);
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131 f.setStyle (angleMap[props.get_fontangle ()]);
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132
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133 return f;
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134 }
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135
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136 template QFont computeFont<uicontrol> (const uicontrol::properties& props,
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137 int height);
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138
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139 template QFont computeFont<uipanel> (const uipanel::properties& props,
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140 int height);
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141
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142 template QFont computeFont<uibuttongroup> (const uibuttongroup::properties&
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143 props,
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144 int height);
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145
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146 template QFont computeFont<uitable> (const uitable::properties& props,
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147 int height);
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148
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149 QColor
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150 fromRgb (const Matrix& rgb)
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151 {
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152 QColor c;
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153
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154 if (rgb.numel () == 3)
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155 c.setRgbF (rgb(0), rgb(1), rgb(2));
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156
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157 return c;
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158 }
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159
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160 Matrix
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161 toRgb (const QColor& c)
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162 {
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163 Matrix rgb (1, 3);
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164 double *rgbData = rgb.fortran_vec ();
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165
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166 // qreal is a typedef for double except for ARM CPU architectures
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167 // where it is a typedef for float (Bug #44970).
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168 qreal tmp[3];
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169 c.getRgbF (tmp, tmp+1, tmp+2);
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170 rgbData[0] = tmp[0]; rgbData[1] = tmp[1]; rgbData[2] = tmp[2];
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171
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172 return rgb;
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173 }
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174
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175 std::string
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176 figureSelectionType (QMouseEvent *event, bool isDoubleClick)
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177 {
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178 if (isDoubleClick)
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179 return "open";
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180 else
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181 {
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182 Qt::MouseButtons buttons = event->buttons ();
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183 Qt::KeyboardModifiers mods = event->modifiers ();
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184
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185 if (mods == Qt::NoModifier)
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186 {
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187 if (buttons == Qt::LeftButton)
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188 return "normal";
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189 else if (buttons == Qt::RightButton)
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190 return "alt";
27135
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191 else if (buttons == Qt::MidButton
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192 || buttons == (Qt::LeftButton | Qt::RightButton))
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193 return "extend";
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194 }
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195 else if (buttons == Qt::LeftButton)
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196 {
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197 if (mods == Qt::ShiftModifier)
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198 return "extend";
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199 else if (mods == Qt::ControlModifier)
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200 return "alt";
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201 }
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202 }
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203
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204 return "normal";
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205 }
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206
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207 /*
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208 Two figureCurrentPoint() routines are required:
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209 1) Used for QMouseEvents where cursor position data is in callback from Qt.
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210 2) Used for QKeyEvents where cursor position must be determined.
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211 */
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212 Matrix
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213 figureCurrentPoint (const graphics_object& fig, QMouseEvent *event)
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214 {
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215 Object *tkFig = qt_graphics_toolkit::toolkitObject (fig);
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216
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217 if (tkFig)
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218 {
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219 Container *c = tkFig->innerContainer ();
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220
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221 if (c)
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222 {
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223 QPoint qp = c->mapFromGlobal (event->globalPos ());
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224
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225 return tkFig->properties<figure> ().map_from_boundingbox (qp.x (),
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226 qp.y ());
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227 }
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228 }
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229
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230 return Matrix (1, 2, 0.0);
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231 }
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232
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233 Matrix
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234 figureCurrentPoint (const graphics_object& fig)
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235 {
27317
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236 Object *tkFig = qt_graphics_toolkit::toolkitObject (fig);
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237
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238 if (tkFig)
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239 {
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240 Container *c = tkFig->innerContainer ();
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241
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242 if (c)
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243 {
23070
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244 // FIXME: QCursor::pos() may give inaccurate results with
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245 // asynchronous window systems like X11 over ssh.
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246 QPoint qp = c->mapFromGlobal (QCursor::pos ());
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247
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248 return tkFig->properties<figure> ().map_from_boundingbox (qp.x (),
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249 qp.y ());
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250 }
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251 }
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252
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253 return Matrix (1, 2, 0.0);
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254 }
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255
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256 Qt::Alignment
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257 fromHVAlign (const std::string& halign, const std::string& valign)
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258 {
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259 Qt::Alignment flags;
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260
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261 if (octave::string::strcmpi (halign, "left"))
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262 flags |= Qt::AlignLeft;
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263 else if (octave::string::strcmpi (halign, "center"))
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264 flags |= Qt::AlignHCenter;
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265 else if (octave::string::strcmpi (halign, "right"))
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266 flags |= Qt::AlignRight;
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267 else
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268 flags |= Qt::AlignLeft;
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269
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270 if (octave::string::strcmpi (valign, "middle"))
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271 flags |= Qt::AlignVCenter;
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272 else if (octave::string::strcmpi (valign, "top"))
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273 flags |= Qt::AlignTop;
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274 else if (octave::string::strcmpi (valign, "bottom"))
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275 flags |= Qt::AlignBottom;
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276 else
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277 flags |= Qt::AlignVCenter;
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278
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279 return flags;
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280 }
2e7cad6f180c Initial integration of QtHandles.
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281
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282 QImage
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283 makeImageFromCData (const octave_value& v, int width, int height)
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284 {
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285 dim_vector dv (v.dims ());
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286
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287 if (dv.ndims () == 3 && dv(2) == 3)
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288 {
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289 int w = qMin (dv(1), static_cast<octave_idx_type> (width));
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290 int h = qMin (dv(0), static_cast<octave_idx_type> (height));
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291
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292 int x_off = (w < width ? (width - w) / 2 : 0);
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293 int y_off = (h < height ? (height - h) / 2 : 0);
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294
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295 QImage img (width, height, QImage::Format_ARGB32);
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296 img.fill (qRgba (0, 0, 0, 0));
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297
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298 if (v.is_uint8_type ())
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299 {
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300 uint8NDArray d = v.uint8_array_value ();
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301
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302 for (int i = 0; i < w; i++)
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303 for (int j = 0; j < h; j++)
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304 {
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305 int r = d(j, i, 0);
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306 int g = d(j, i, 1);
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307 int b = d(j, i, 2);
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308 int a = 255;
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309
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310 img.setPixel (x_off + i, y_off + j, qRgba (r, g, b, a));
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311 }
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312 }
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313 else if (v.is_single_type ())
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314 {
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315 FloatNDArray f = v.float_array_value ();
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316
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317 for (int i = 0; i < w; i++)
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318 for (int j = 0; j < h; j++)
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319 {
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320 float r = f(j, i, 0);
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321 float g = f(j, i, 1);
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322 float b = f(j, i, 2);
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323 int a = (octave::math::isnan (r) || octave::math::isnan (g)
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324 || octave::math::isnan (b) ? 0 : 255);
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325
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326 img.setPixel (x_off + i, y_off + j,
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327 qRgba (octave::math::round (r * 255),
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328 octave::math::round (g * 255),
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329 octave::math::round (b * 255),
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330 a));
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331 }
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332 }
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333 else if (v.isreal ())
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334 {
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335 NDArray d = v.array_value ();
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336
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337 for (int i = 0; i < w; i++)
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338 for (int j = 0; j < h; j++)
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339 {
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340 double r = d(j, i, 0);
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341 double g = d(j, i, 1);
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342 double b = d(j, i, 2);
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343 int a = (octave::math::isnan (r) || octave::math::isnan (g)
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344 || octave::math::isnan (b) ? 0 : 255);
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345
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346 img.setPixel (x_off + i, y_off + j,
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347 qRgba (octave::math::round (r * 255),
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348 octave::math::round (g * 255),
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349 octave::math::round (b * 255),
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350 a));
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351 }
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352 }
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353
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354 return img;
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af0399a5aae0 untabify QtHandles source files
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355 }
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356
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357 return QImage ();
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358 }
2e7cad6f180c Initial integration of QtHandles.
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359
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360 octave_scalar_map
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361 makeKeyEventStruct (QKeyEvent *event)
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362 {
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363 octave_scalar_map retval;
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364
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365 retval.setfield ("Key", KeyMap::qKeyToKeyString (event->key ()));
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366 retval.setfield ("Character", toStdString (event->text ()));
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367
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368 std::list<std::string> modList;
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369 Qt::KeyboardModifiers mods = event->modifiers ();
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370
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371 if (mods & Qt::ShiftModifier)
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372 modList.push_back ("shift");
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373 if (mods & Qt::ControlModifier)
21724
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef"
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374 #if defined (Q_OS_MAC)
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375 modList.push_back ("command");
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diff changeset
376 #else
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377 modList.push_back ("control");
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diff changeset
378 #endif
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379 if (mods & Qt::AltModifier)
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diff changeset
380 modList.push_back ("alt");
21724
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef"
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diff changeset
381 #if defined (Q_OS_MAC)
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diff changeset
382 if (mods & Qt::MetaModifier)
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diff changeset
383 modList.push_back ("control");
18498
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diff changeset
384 #endif
2e7cad6f180c Initial integration of QtHandles.
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diff changeset
385
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diff changeset
386 retval.setfield ("Modifier", Cell (modList));
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parents:
diff changeset
387
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388 return retval;
c69805d1fa64 maint: Style check C++ code in libgui/
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diff changeset
389 }
18498
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
390
27125
d2d2f66e1cdc Implement figure "windowscrollwheelfcn" property for Qt toolkit (bug #56028).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 26377
diff changeset
391 octave_scalar_map
d2d2f66e1cdc Implement figure "windowscrollwheelfcn" property for Qt toolkit (bug #56028).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 26377
diff changeset
392 makeScrollEventStruct (QWheelEvent *event)
d2d2f66e1cdc Implement figure "windowscrollwheelfcn" property for Qt toolkit (bug #56028).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 26377
diff changeset
393 {
d2d2f66e1cdc Implement figure "windowscrollwheelfcn" property for Qt toolkit (bug #56028).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 26377
diff changeset
394 octave_scalar_map retval;
d2d2f66e1cdc Implement figure "windowscrollwheelfcn" property for Qt toolkit (bug #56028).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 26377
diff changeset
395
d2d2f66e1cdc Implement figure "windowscrollwheelfcn" property for Qt toolkit (bug #56028).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 26377
diff changeset
396 // We assume a standard mouse with 15 degree steps and Qt returns
d2d2f66e1cdc Implement figure "windowscrollwheelfcn" property for Qt toolkit (bug #56028).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 26377
diff changeset
397 // 1/8 of a degree.
27215
274766cae722 allow building with Qt4 to work again
John W. Eaton <jwe@octave.org>
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diff changeset
398 #if defined (HAVE_QWHEELEVENT_ANGLEDELTA)
274766cae722 allow building with Qt4 to work again
John W. Eaton <jwe@octave.org>
parents: 27135
diff changeset
399 int ydelta = -(event->angleDelta().y ());
274766cae722 allow building with Qt4 to work again
John W. Eaton <jwe@octave.org>
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diff changeset
400 #else
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John W. Eaton <jwe@octave.org>
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diff changeset
401 int ydelta = (event->orientation () == Qt::Vertical
274766cae722 allow building with Qt4 to work again
John W. Eaton <jwe@octave.org>
parents: 27135
diff changeset
402 ? -(event->delta ()) : 0);
274766cae722 allow building with Qt4 to work again
John W. Eaton <jwe@octave.org>
parents: 27135
diff changeset
403 #endif
274766cae722 allow building with Qt4 to work again
John W. Eaton <jwe@octave.org>
parents: 27135
diff changeset
404 retval.setfield ("VerticalScrollCount", octave_value (ydelta / 120));
274766cae722 allow building with Qt4 to work again
John W. Eaton <jwe@octave.org>
parents: 27135
diff changeset
405
27125
d2d2f66e1cdc Implement figure "windowscrollwheelfcn" property for Qt toolkit (bug #56028).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 26377
diff changeset
406 // FIXME: Is there any way to access the number of lines a scroll step
d2d2f66e1cdc Implement figure "windowscrollwheelfcn" property for Qt toolkit (bug #56028).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 26377
diff changeset
407 // should correspond to?
d2d2f66e1cdc Implement figure "windowscrollwheelfcn" property for Qt toolkit (bug #56028).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 26377
diff changeset
408 retval.setfield ("VerticalScrollAmount", octave_value (3));
d2d2f66e1cdc Implement figure "windowscrollwheelfcn" property for Qt toolkit (bug #56028).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 26377
diff changeset
409 retval.setfield ("EventName", octave_value ("WindowScrollWheel"));
d2d2f66e1cdc Implement figure "windowscrollwheelfcn" property for Qt toolkit (bug #56028).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 26377
diff changeset
410
d2d2f66e1cdc Implement figure "windowscrollwheelfcn" property for Qt toolkit (bug #56028).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 26377
diff changeset
411 return retval;
d2d2f66e1cdc Implement figure "windowscrollwheelfcn" property for Qt toolkit (bug #56028).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 26377
diff changeset
412 }
d2d2f66e1cdc Implement figure "windowscrollwheelfcn" property for Qt toolkit (bug #56028).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 26377
diff changeset
413
22413
8758addcf265 maint: Remove ';' at end of namespace declaration.
Rik <rik@octave.org>
parents: 22411
diff changeset
414 }
18498
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
415
22413
8758addcf265 maint: Remove ';' at end of namespace declaration.
Rik <rik@octave.org>
parents: 22411
diff changeset
416 }