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annotate libgui/graphics/QtHandlesUtils.cc @ 27135:bf2f533d2d45

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Document the figure "selectiontype" property * genpropdoc.m: Add documentation for figure "selectiontype" * QtHandlesUtils.cc: Remove window system specific section to conform to ML behavior whatever the platform.
author Pantxo Diribarne <pantxo.diribarne@gmail.com>
date Sat, 01 Jun 2019 19:57:45 +0200
parents d2d2f66e1cdc
children 274766cae722
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /*
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2
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3 Copyright (C) 2011-2019 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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20
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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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112
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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["bold"] = QFont::Bold;
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117
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118 angleMap["normal"] = QFont::StyleNormal;
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119 angleMap["italic"] = QFont::StyleItalic;
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120 angleMap["oblique"] = QFont::StyleOblique;
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121
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122 mapsInitialized = true;
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123 }
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124
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125 f.setPointSizeF (props.get___fontsize_points__ (height));
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126 f.setWeight (weightMap[props.get_fontweight ()]);
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127 f.setStyle (angleMap[props.get_fontangle ()]);
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128
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129 return f;
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130 }
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131
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132 template QFont computeFont<uicontrol> (const uicontrol::properties& props,
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133 int height);
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134
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135 template QFont computeFont<uipanel> (const uipanel::properties& props,
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136 int height);
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137
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138 template QFont computeFont<uibuttongroup> (const uibuttongroup::properties&
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139 props,
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140 int height);
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141
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142 template QFont computeFont<uitable> (const uitable::properties& props,
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143 int height);
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144
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145 QColor
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146 fromRgb (const Matrix& rgb)
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147 {
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148 QColor c;
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149
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150 if (rgb.numel () == 3)
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151 c.setRgbF (rgb(0), rgb(1), rgb(2));
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152
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153 return c;
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154 }
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155
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156 Matrix
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157 toRgb (const QColor& c)
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158 {
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159 Matrix rgb (1, 3);
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160 double *rgbData = rgb.fortran_vec ();
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161
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162 // qreal is a typedef for double except for ARM CPU architectures
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163 // where it is a typedef for float (Bug #44970).
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164 qreal tmp[3];
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165 c.getRgbF (tmp, tmp+1, tmp+2);
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166 rgbData[0] = tmp[0]; rgbData[1] = tmp[1]; rgbData[2] = tmp[2];
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167
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168 return rgb;
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169 }
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170
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171 std::string
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172 figureSelectionType (QMouseEvent *event, bool isDoubleClick)
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173 {
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174 if (isDoubleClick)
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175 return "open";
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176 else
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177 {
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178 Qt::MouseButtons buttons = event->buttons ();
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179 Qt::KeyboardModifiers mods = event->modifiers ();
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180
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181 if (mods == Qt::NoModifier)
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182 {
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183 if (buttons == Qt::LeftButton)
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184 return "normal";
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185 else if (buttons == Qt::RightButton)
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186 return "alt";
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187 else if (buttons == Qt::MidButton
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188 || buttons == (Qt::LeftButton | Qt::RightButton))
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189 return "extend";
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190 }
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191 else if (buttons == Qt::LeftButton)
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192 {
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193 if (mods == Qt::ShiftModifier)
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194 return "extend";
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195 else if (mods == Qt::ControlModifier)
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196 return "alt";
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197 }
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198 }
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199
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200 return "normal";
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201 }
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202
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203 /*
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204 Two figureCurrentPoint() routines are required:
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205 1) Used for QMouseEvents where cursor position data is in callback from Qt.
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206 2) Used for QKeyEvents where cursor position must be determined.
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207 */
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208 Matrix
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209 figureCurrentPoint (const graphics_object& fig, QMouseEvent *event)
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210 {
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211 Object *tkFig = Backend::toolkitObject (fig);
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212
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213 if (tkFig)
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214 {
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215 Container *c = tkFig->innerContainer ();
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216
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217 if (c)
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218 {
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219 QPoint qp = c->mapFromGlobal (event->globalPos ());
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220
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221 return tkFig->properties<figure> ().map_from_boundingbox (qp.x (),
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222 qp.y ());
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223 }
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224 }
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225
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226 return Matrix (1, 2, 0.0);
20110
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227 }
248f2f2e7d48 Return correct x,y coordinates for keystroke with ginput in Qt (bug #44834).
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228
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229 Matrix
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230 figureCurrentPoint (const graphics_object& fig)
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231 {
23449
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232 Object *tkFig = Backend::toolkitObject (fig);
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233
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234 if (tkFig)
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235 {
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236 Container *c = tkFig->innerContainer ();
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237
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238 if (c)
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239 {
23070
bef714f45999 maint: Use space after function name/before parenthesis in libgui.
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parents: 22755
diff changeset
240 // FIXME: QCursor::pos() may give inaccurate results with
bef714f45999 maint: Use space after function name/before parenthesis in libgui.
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241 // asynchronous window systems like X11 over ssh.
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242 QPoint qp = c->mapFromGlobal (QCursor::pos ());
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243
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244 return tkFig->properties<figure> ().map_from_boundingbox (qp.x (),
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245 qp.y ());
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246 }
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247 }
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248
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249 return Matrix (1, 2, 0.0);
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250 }
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251
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252 Qt::Alignment
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253 fromHVAlign (const std::string& halign, const std::string& valign)
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254 {
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255 Qt::Alignment flags;
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256
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257 if (octave::string::strcmpi (halign, "left"))
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258 flags |= Qt::AlignLeft;
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259 else if (octave::string::strcmpi (halign, "center"))
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260 flags |= Qt::AlignHCenter;
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261 else if (octave::string::strcmpi (halign, "right"))
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262 flags |= Qt::AlignRight;
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263 else
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264 flags |= Qt::AlignLeft;
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265
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266 if (octave::string::strcmpi (valign, "middle"))
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267 flags |= Qt::AlignVCenter;
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268 else if (octave::string::strcmpi (valign, "top"))
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269 flags |= Qt::AlignTop;
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270 else if (octave::string::strcmpi (valign, "bottom"))
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271 flags |= Qt::AlignBottom;
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272 else
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273 flags |= Qt::AlignVCenter;
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274
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275 return flags;
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276 }
2e7cad6f180c Initial integration of QtHandles.
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277
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278 QImage
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279 makeImageFromCData (const octave_value& v, int width, int height)
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280 {
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281 dim_vector dv (v.dims ());
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282
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283 if (dv.ndims () == 3 && dv(2) == 3)
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284 {
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285 int w = qMin (dv(1), static_cast<octave_idx_type> (width));
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286 int h = qMin (dv(0), static_cast<octave_idx_type> (height));
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287
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288 int x_off = (w < width ? (width - w) / 2 : 0);
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289 int y_off = (h < height ? (height - h) / 2 : 0);
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290
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291 QImage img (width, height, QImage::Format_ARGB32);
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diff changeset
292 img.fill (qRgba (0, 0, 0, 0));
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diff changeset
293
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294 if (v.is_uint8_type ())
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295 {
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296 uint8NDArray d = v.uint8_array_value ();
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297
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298 for (int i = 0; i < w; i++)
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299 for (int j = 0; j < h; j++)
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300 {
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301 int r = d(j, i, 0);
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302 int g = d(j, i, 1);
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303 int b = d(j, i, 2);
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304 int a = 255;
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305
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306 img.setPixel (x_off + i, y_off + j, qRgba (r, g, b, a));
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307 }
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308 }
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309 else if (v.is_single_type ())
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310 {
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311 FloatNDArray f = v.float_array_value ();
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312
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313 for (int i = 0; i < w; i++)
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314 for (int j = 0; j < h; j++)
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315 {
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316 float r = f(j, i, 0);
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317 float g = f(j, i, 1);
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318 float b = f(j, i, 2);
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319 int a = (octave::math::isnan (r) || octave::math::isnan (g)
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320 || octave::math::isnan (b) ? 0 : 255);
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321
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322 img.setPixel (x_off + i, y_off + j,
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323 qRgba (octave::math::round (r * 255),
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324 octave::math::round (g * 255),
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325 octave::math::round (b * 255),
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326 a));
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327 }
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328 }
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329 else if (v.isreal ())
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330 {
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331 NDArray d = v.array_value ();
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332
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333 for (int i = 0; i < w; i++)
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334 for (int j = 0; j < h; j++)
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335 {
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336 double r = d(j, i, 0);
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337 double g = d(j, i, 1);
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338 double b = d(j, i, 2);
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339 int a = (octave::math::isnan (r) || octave::math::isnan (g)
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340 || octave::math::isnan (b) ? 0 : 255);
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341
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342 img.setPixel (x_off + i, y_off + j,
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343 qRgba (octave::math::round (r * 255),
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344 octave::math::round (g * 255),
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345 octave::math::round (b * 255),
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346 a));
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347 }
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348 }
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349
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350 return img;
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af0399a5aae0 untabify QtHandles source files
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351 }
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352
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353 return QImage ();
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354 }
2e7cad6f180c Initial integration of QtHandles.
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355
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356 octave_scalar_map
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357 makeKeyEventStruct (QKeyEvent *event)
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358 {
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359 octave_scalar_map retval;
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360
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361 retval.setfield ("Key", KeyMap::qKeyToKeyString (event->key ()));
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362 retval.setfield ("Character", toStdString (event->text ()));
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363
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364 std::list<std::string> modList;
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365 Qt::KeyboardModifiers mods = event->modifiers ();
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diff changeset
366
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367 if (mods & Qt::ShiftModifier)
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368 modList.push_back ("shift");
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diff changeset
369 if (mods & Qt::ControlModifier)
21724
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef"
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diff changeset
370 #if defined (Q_OS_MAC)
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371 modList.push_back ("command");
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diff changeset
372 #else
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373 modList.push_back ("control");
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diff changeset
374 #endif
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375 if (mods & Qt::AltModifier)
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diff changeset
376 modList.push_back ("alt");
21724
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef"
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diff changeset
377 #if defined (Q_OS_MAC)
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diff changeset
378 if (mods & Qt::MetaModifier)
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diff changeset
379 modList.push_back ("control");
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diff changeset
380 #endif
2e7cad6f180c Initial integration of QtHandles.
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diff changeset
381
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diff changeset
382 retval.setfield ("Modifier", Cell (modList));
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diff changeset
383
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diff changeset
384 return retval;
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diff changeset
385 }
18498
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
386
27125
d2d2f66e1cdc Implement figure "windowscrollwheelfcn" property for Qt toolkit (bug #56028).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 26377
diff changeset
387 octave_scalar_map
d2d2f66e1cdc Implement figure "windowscrollwheelfcn" property for Qt toolkit (bug #56028).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 26377
diff changeset
388 makeScrollEventStruct (QWheelEvent *event)
d2d2f66e1cdc Implement figure "windowscrollwheelfcn" property for Qt toolkit (bug #56028).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 26377
diff changeset
389 {
d2d2f66e1cdc Implement figure "windowscrollwheelfcn" property for Qt toolkit (bug #56028).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 26377
diff changeset
390 octave_scalar_map retval;
d2d2f66e1cdc Implement figure "windowscrollwheelfcn" property for Qt toolkit (bug #56028).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 26377
diff changeset
391
d2d2f66e1cdc Implement figure "windowscrollwheelfcn" property for Qt toolkit (bug #56028).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 26377
diff changeset
392 // 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
393 // 1/8 of a degree.
d2d2f66e1cdc Implement figure "windowscrollwheelfcn" property for Qt toolkit (bug #56028).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
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diff changeset
394 retval.setfield ("VerticalScrollCount",
d2d2f66e1cdc Implement figure "windowscrollwheelfcn" property for Qt toolkit (bug #56028).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 26377
diff changeset
395 octave_value (- event->angleDelta().y () / 120));
d2d2f66e1cdc Implement figure "windowscrollwheelfcn" property for Qt toolkit (bug #56028).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 26377
diff changeset
396 // 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
397 // should correspond to?
d2d2f66e1cdc Implement figure "windowscrollwheelfcn" property for Qt toolkit (bug #56028).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 26377
diff changeset
398 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
399 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
400
d2d2f66e1cdc Implement figure "windowscrollwheelfcn" property for Qt toolkit (bug #56028).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 26377
diff changeset
401 return retval;
d2d2f66e1cdc Implement figure "windowscrollwheelfcn" property for Qt toolkit (bug #56028).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 26377
diff changeset
402 }
d2d2f66e1cdc Implement figure "windowscrollwheelfcn" property for Qt toolkit (bug #56028).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 26377
diff changeset
403
22413
8758addcf265 maint: Remove ';' at end of namespace declaration.
Rik <rik@octave.org>
parents: 22411
diff changeset
404 }
18498
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
405
22413
8758addcf265 maint: Remove ';' at end of namespace declaration.
Rik <rik@octave.org>
parents: 22411
diff changeset
406 }