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annotate libgui/graphics/QtHandlesUtils.cc @ 28229:f3f29e1801fc

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When clipping CDATA for icons take data from center of image (bug #58144). * QtHandlesUtils.cc (makeImageFromCData): Rename x_off, yoff to x_img_off, y_img_off. Add new variables x_cdat_off, y_cdat_off. When there is a size mismatch between the source CDATA and the destination QImage, take data from center of CDATA by using x_cdat_off, y_cdat_off offsets and place in center of QImage by using x_img_off, y_img_off.
author Rik <rik@octave.org>
date Sat, 18 Apr 2020 17:25:55 -0700
parents bd51beb6205e
children 0c6dcf803529
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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
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6 // distribution or <https://octave.org/copyright/>.
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7 //
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8 // This file is part of Octave.
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9 //
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10 // Octave is free software: you can redistribute it and/or modify it
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11 // under the terms of the GNU General Public License as published by
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12 // the Free Software Foundation, either version 3 of the License, or
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13 // (at your option) any later version.
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14 //
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15 // Octave is distributed in the hope that it will be useful, but
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 // GNU General Public License for more details.
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19 //
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20 // You should have received a copy of the GNU General Public License
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21 // along with Octave; see the file COPYING. If not, see
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22 // <https://www.gnu.org/licenses/>.
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23 //
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24 ////////////////////////////////////////////////////////////////////////
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26 #if defined (HAVE_CONFIG_H)
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27 # include "config.h"
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28 #endif
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30 #include <list>
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32 #include <QApplication>
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33 #include <QKeyEvent>
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34 #include <QMouseEvent>
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35
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36 #include "Container.h"
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37 #include "KeyMap.h"
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38 #include "Object.h"
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39 #include "QtHandlesUtils.h"
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40 #include "qt-graphics-toolkit.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 #include "graphics.h"
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45 #include "ov.h"
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46
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47 namespace QtHandles
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48 {
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50 namespace Utils
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51 {
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53 QString
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54 fromStdString (const std::string& s)
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55 {
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56 return QString::fromUtf8 (s.c_str ());
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57 }
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59 std::string
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60 toStdString (const QString& s)
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61 {
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62 return std::string (s.toUtf8 ().data ());
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63 }
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64
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65 QStringList
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66 fromStringVector (const string_vector& v)
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67 {
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68 QStringList l;
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69 octave_idx_type n = v.numel ();
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71 for (octave_idx_type i = 0; i < n; i++)
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72 l << fromStdString (v[i]);
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74 return l;
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75 }
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77 string_vector
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78 toStringVector (const QStringList& l)
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79 {
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80 string_vector v (l.length ());
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81 int i = 0;
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82
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83 for (const auto& s : l)
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84 v[i++] = toStdString (s);
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86 return v;
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87 }
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88
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89 Cell toCellString (const QStringList& l)
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90 {
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91 QStringList tmp = l;
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93 // don't get any empty lines from end of the list
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94 while ((tmp.length () > 0) && tmp.last ().isEmpty ())
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95 {
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96 tmp.removeLast ();
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97 }
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98 // no strings converts to a 1x1 cell with empty string
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99 if (tmp.isEmpty ())
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100 tmp += "";
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102 Cell v (toStringVector (tmp));
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103 return v;
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104 }
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105
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106 template <typename T>
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107 QFont
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108 computeFont (const typename T::properties& props, int height)
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109 {
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110 QFont f (fromStdString (props.get_fontname ()));
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111
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112 static std::map<std::string, QFont::Weight> weightMap;
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113 static std::map<std::string, QFont::Style> angleMap;
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114 static bool mapsInitialized = false;
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116 if (! mapsInitialized)
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117 {
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118 weightMap["normal"] = QFont::Normal;
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119 weightMap["bold"] = QFont::Bold;
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120
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121 angleMap["normal"] = QFont::StyleNormal;
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122 angleMap["italic"] = QFont::StyleItalic;
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123 angleMap["oblique"] = QFont::StyleOblique;
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124
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125 mapsInitialized = true;
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126 }
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127
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128 f.setPointSizeF (props.get___fontsize_points__ (height));
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129 f.setWeight (weightMap[props.get_fontweight ()]);
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130 f.setStyle (angleMap[props.get_fontangle ()]);
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131
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132 return f;
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133 }
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134
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135 template QFont computeFont<uicontrol> (const uicontrol::properties& props,
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136 int height);
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137
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138 template QFont computeFont<uipanel> (const uipanel::properties& props,
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139 int height);
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140
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141 template QFont computeFont<uibuttongroup> (const uibuttongroup::properties&
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142 props,
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143 int height);
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144
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145 template QFont computeFont<uitable> (const uitable::properties& props,
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146 int height);
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147
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148 QColor
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149 fromRgb (const Matrix& rgb)
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150 {
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151 QColor c;
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152
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153 if (rgb.numel () == 3)
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154 c.setRgbF (rgb(0), rgb(1), rgb(2));
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155
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156 return c;
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157 }
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158
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159 Matrix
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160 toRgb (const QColor& c)
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161 {
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162 Matrix rgb (1, 3);
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163 double *rgbData = rgb.fortran_vec ();
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164
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165 // qreal is a typedef for double except for ARM CPU architectures
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166 // where it is a typedef for float (Bug #44970).
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167 qreal tmp[3];
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168 c.getRgbF (tmp, tmp+1, tmp+2);
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169 rgbData[0] = tmp[0]; rgbData[1] = tmp[1]; rgbData[2] = tmp[2];
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170
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171 return rgb;
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172 }
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173
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174 std::string
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175 figureSelectionType (QMouseEvent *event, bool isDoubleClick)
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176 {
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177 if (isDoubleClick)
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178 return "open";
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179 else
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180 {
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181 Qt::MouseButtons buttons = event->buttons ();
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182 Qt::KeyboardModifiers mods = event->modifiers ();
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183
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184 if (mods == Qt::NoModifier)
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185 {
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186 if (buttons == Qt::LeftButton)
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187 return "normal";
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188 else if (buttons == Qt::RightButton)
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189 return "alt";
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190 else if (buttons == Qt::MidButton
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191 || buttons == (Qt::LeftButton | Qt::RightButton))
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192 return "extend";
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193 }
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194 else if (buttons == Qt::LeftButton)
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195 {
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196 if (mods == Qt::ShiftModifier)
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197 return "extend";
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198 else if (mods == Qt::ControlModifier)
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199 return "alt";
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200 }
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201 }
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202
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203 return "normal";
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204 }
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205
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206 /*
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207 Two figureCurrentPoint() routines are required:
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208 1) Used for QMouseEvents where cursor position data is in callback from Qt.
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209 2) Used for QKeyEvents where cursor position must be determined.
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210 */
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211 Matrix
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212 figureCurrentPoint (const graphics_object& fig, QMouseEvent *event)
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213 {
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214 Object *tkFig = qt_graphics_toolkit::toolkitObject (fig);
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215
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216 if (tkFig)
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217 {
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218 Container *c = tkFig->innerContainer ();
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219
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220 if (c)
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221 {
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222 QPoint qp = c->mapFromGlobal (event->globalPos ());
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223
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224 return tkFig->properties<figure> ().map_from_boundingbox (qp.x (),
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225 qp.y ());
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226 }
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227 }
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228
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229 return Matrix (1, 2, 0.0);
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230 }
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231
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232 Matrix
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233 figureCurrentPoint (const graphics_object& fig)
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234 {
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235 Object *tkFig = qt_graphics_toolkit::toolkitObject (fig);
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236
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237 if (tkFig)
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238 {
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239 Container *c = tkFig->innerContainer ();
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240
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241 if (c)
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242 {
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243 // FIXME: QCursor::pos() may give inaccurate results with
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244 // asynchronous window systems like X11 over ssh.
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245 QPoint qp = c->mapFromGlobal (QCursor::pos ());
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246
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247 return tkFig->properties<figure> ().map_from_boundingbox (qp.x (),
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248 qp.y ());
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249 }
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250 }
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251
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252 return Matrix (1, 2, 0.0);
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253 }
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254
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255 Qt::Alignment
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256 fromHVAlign (const std::string& halign, const std::string& valign)
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257 {
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258 Qt::Alignment flags;
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259
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260 if (octave::string::strcmpi (halign, "left"))
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261 flags |= Qt::AlignLeft;
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262 else if (octave::string::strcmpi (halign, "center"))
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263 flags |= Qt::AlignHCenter;
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264 else if (octave::string::strcmpi (halign, "right"))
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265 flags |= Qt::AlignRight;
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266 else
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267 flags |= Qt::AlignLeft;
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268
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269 if (octave::string::strcmpi (valign, "middle"))
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270 flags |= Qt::AlignVCenter;
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271 else if (octave::string::strcmpi (valign, "top"))
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272 flags |= Qt::AlignTop;
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273 else if (octave::string::strcmpi (valign, "bottom"))
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274 flags |= Qt::AlignBottom;
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275 else
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276 flags |= Qt::AlignVCenter;
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277
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278 return flags;
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279 }
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280
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281 QImage
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282 makeImageFromCData (const octave_value& v, int width, int height)
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283 {
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284 dim_vector dv (v.dims ());
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285
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286 if (dv.ndims () == 3 && dv(2) == 3)
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287 {
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288 int w = qMin (dv(1), static_cast<octave_idx_type> (width));
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289 int h = qMin (dv(0), static_cast<octave_idx_type> (height));
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290
28229
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291 // If size mismatch, take data from center of CDATA and
f3f29e1801fc When clipping CDATA for icons take data from center of image (bug #58144).
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292 // place in in center of QImage.
f3f29e1801fc When clipping CDATA for icons take data from center of image (bug #58144).
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293 int x_img_off = (w < width ? (width - w) / 2 : 0);
f3f29e1801fc When clipping CDATA for icons take data from center of image (bug #58144).
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294 int y_img_off = (h < height ? (height - h) / 2 : 0);
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295 int x_cdat_off = (dv(1) > w ? (dv(1) - w) / 2 : 0);
f3f29e1801fc When clipping CDATA for icons take data from center of image (bug #58144).
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296 int y_cdat_off = (dv(0) > h ? (dv(0) - h) / 2 : 0);
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297
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298 QImage img (width, height, QImage::Format_ARGB32);
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299 img.fill (qRgba (0, 0, 0, 0));
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300
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301 if (v.is_uint8_type ())
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302 {
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303 uint8NDArray d = v.uint8_array_value ();
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304
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305 for (int i = x_cdat_off; i < w + x_cdat_off; i++)
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306 for (int j = y_cdat_off; j < h + y_cdat_off; j++)
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307 {
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308 int r = d(j, i, 0);
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309 int g = d(j, i, 1);
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310 int b = d(j, i, 2);
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311 int a = 255;
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312
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313 img.setPixel (x_img_off + i - x_cdat_off,
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314 y_img_off + j - y_cdat_off,
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315 qRgba (r, g, b, a));
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316 }
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317 }
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318 else if (v.is_single_type ())
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319 {
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320 FloatNDArray f = v.float_array_value ();
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321
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322 for (int i = x_cdat_off; i < w + x_cdat_off; i++)
f3f29e1801fc When clipping CDATA for icons take data from center of image (bug #58144).
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323 for (int j = y_cdat_off; j < h + y_cdat_off; j++)
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324 {
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325 float r = f(j, i, 0);
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326 float g = f(j, i, 1);
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327 float b = f(j, i, 2);
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328 int a = (octave::math::isnan (r) || octave::math::isnan (g)
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329 || octave::math::isnan (b) ? 0 : 255);
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330
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331 img.setPixel (x_img_off + i - x_cdat_off,
f3f29e1801fc When clipping CDATA for icons take data from center of image (bug #58144).
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332 y_img_off + j - y_cdat_off,
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333 qRgba (octave::math::round (r * 255),
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334 octave::math::round (g * 255),
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335 octave::math::round (b * 255),
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336 a));
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337 }
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338 }
23582
0cc2011d800e maint: Deprecate is_real_type and replace with isreal.
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339 else if (v.isreal ())
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340 {
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341 NDArray d = v.array_value ();
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342
28229
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343 for (int i = x_cdat_off; i < w + x_cdat_off; i++)
f3f29e1801fc When clipping CDATA for icons take data from center of image (bug #58144).
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344 for (int j = y_cdat_off; j < h + y_cdat_off; j++)
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345 {
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346 double r = d(j, i, 0);
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347 double g = d(j, i, 1);
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348 double b = d(j, i, 2);
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349 int a = (octave::math::isnan (r) || octave::math::isnan (g)
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350 || octave::math::isnan (b) ? 0 : 255);
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351
28229
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diff changeset
352 img.setPixel (x_img_off + i - x_cdat_off,
f3f29e1801fc When clipping CDATA for icons take data from center of image (bug #58144).
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353 y_img_off + j - y_cdat_off,
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354 qRgba (octave::math::round (r * 255),
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diff changeset
355 octave::math::round (g * 255),
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diff changeset
356 octave::math::round (b * 255),
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
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diff changeset
357 a));
c69805d1fa64 maint: Style check C++ code in libgui/
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diff changeset
358 }
c69805d1fa64 maint: Style check C++ code in libgui/
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parents: 22323
diff changeset
359 }
c69805d1fa64 maint: Style check C++ code in libgui/
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diff changeset
360
c69805d1fa64 maint: Style check C++ code in libgui/
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361 return img;
19621
af0399a5aae0 untabify QtHandles source files
John W. Eaton <jwe@octave.org>
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diff changeset
362 }
18498
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
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diff changeset
363
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364 return QImage ();
18498
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diff changeset
365 }
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
366
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diff changeset
367 octave_scalar_map
23449
c763214a8260 maint: Use convention 'int *x' for naming pointers.
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diff changeset
368 makeKeyEventStruct (QKeyEvent *event)
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diff changeset
369 {
c69805d1fa64 maint: Style check C++ code in libgui/
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370 octave_scalar_map retval;
18498
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diff changeset
371
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372 retval.setfield ("Key", KeyMap::qKeyToKeyString (event->key ()));
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diff changeset
373 retval.setfield ("Character", toStdString (event->text ()));
18498
2e7cad6f180c Initial integration of QtHandles.
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diff changeset
374
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diff changeset
375 std::list<std::string> modList;
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
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diff changeset
376 Qt::KeyboardModifiers mods = event->modifiers ();
18498
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
377
22411
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diff changeset
378 if (mods & Qt::ShiftModifier)
c69805d1fa64 maint: Style check C++ code in libgui/
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diff changeset
379 modList.push_back ("shift");
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
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diff changeset
380 if (mods & Qt::ControlModifier)
21724
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
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diff changeset
381 #if defined (Q_OS_MAC)
22411
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diff changeset
382 modList.push_back ("command");
18498
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
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diff changeset
383 #else
22411
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diff changeset
384 modList.push_back ("control");
18498
2e7cad6f180c Initial integration of QtHandles.
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diff changeset
385 #endif
22411
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diff changeset
386 if (mods & Qt::AltModifier)
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22323
diff changeset
387 modList.push_back ("alt");
21724
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
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diff changeset
388 #if defined (Q_OS_MAC)
22411
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diff changeset
389 if (mods & Qt::MetaModifier)
c69805d1fa64 maint: Style check C++ code in libgui/
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diff changeset
390 modList.push_back ("control");
18498
2e7cad6f180c Initial integration of QtHandles.
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diff changeset
391 #endif
2e7cad6f180c Initial integration of QtHandles.
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parents:
diff changeset
392
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diff changeset
393 retval.setfield ("Modifier", Cell (modList));
18498
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
394
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diff changeset
395 return retval;
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22323
diff changeset
396 }
18498
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
397
27125
d2d2f66e1cdc Implement figure "windowscrollwheelfcn" property for Qt toolkit (bug #56028).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 26377
diff changeset
398 octave_scalar_map
d2d2f66e1cdc Implement figure "windowscrollwheelfcn" property for Qt toolkit (bug #56028).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 26377
diff changeset
399 makeScrollEventStruct (QWheelEvent *event)
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 octave_scalar_map 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 // 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
404 // 1/8 of a degree.
27215
274766cae722 allow building with Qt4 to work again
John W. Eaton <jwe@octave.org>
parents: 27135
diff changeset
405 #if defined (HAVE_QWHEELEVENT_ANGLEDELTA)
274766cae722 allow building with Qt4 to work again
John W. Eaton <jwe@octave.org>
parents: 27135
diff changeset
406 int ydelta = -(event->angleDelta().y ());
274766cae722 allow building with Qt4 to work again
John W. Eaton <jwe@octave.org>
parents: 27135
diff changeset
407 #else
274766cae722 allow building with Qt4 to work again
John W. Eaton <jwe@octave.org>
parents: 27135
diff changeset
408 int ydelta = (event->orientation () == Qt::Vertical
274766cae722 allow building with Qt4 to work again
John W. Eaton <jwe@octave.org>
parents: 27135
diff changeset
409 ? -(event->delta ()) : 0);
274766cae722 allow building with Qt4 to work again
John W. Eaton <jwe@octave.org>
parents: 27135
diff changeset
410 #endif
274766cae722 allow building with Qt4 to work again
John W. Eaton <jwe@octave.org>
parents: 27135
diff changeset
411 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
412
27125
d2d2f66e1cdc Implement figure "windowscrollwheelfcn" property for Qt toolkit (bug #56028).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 26377
diff changeset
413 // 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
414 // should correspond to?
d2d2f66e1cdc Implement figure "windowscrollwheelfcn" property for Qt toolkit (bug #56028).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 26377
diff changeset
415 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
416 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
417
d2d2f66e1cdc Implement figure "windowscrollwheelfcn" property for Qt toolkit (bug #56028).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 26377
diff changeset
418 return retval;
d2d2f66e1cdc Implement figure "windowscrollwheelfcn" property for Qt toolkit (bug #56028).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 26377
diff changeset
419 }
d2d2f66e1cdc Implement figure "windowscrollwheelfcn" property for Qt toolkit (bug #56028).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 26377
diff changeset
420
22413
8758addcf265 maint: Remove ';' at end of namespace declaration.
Rik <rik@octave.org>
parents: 22411
diff changeset
421 }
18498
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
422
22413
8758addcf265 maint: Remove ';' at end of namespace declaration.
Rik <rik@octave.org>
parents: 22411
diff changeset
423 }