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annotate libgui/graphics/Utils.cc @ 18500:49877d3be064 gui-release

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update copyright notices for new QtHandles code
author John W. Eaton <jwe@octave.org>
date Thu, 20 Feb 2014 14:58:56 -0500
parents 2e7cad6f180c
children 523878f76518
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1 /*
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2
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3 Copyright (C) 2011-2014 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 the
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9 Free Software Foundation; either version 3 of the License, or (at your
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10 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 WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 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 <http://www.gnu.org/licenses/>.
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20
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21 */
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22
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23 #ifdef 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 "Utils.h"
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41
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42 //////////////////////////////////////////////////////////////////////////////
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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 //////////////////////////////////////////////////////////////////////////////
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48
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49 namespace Utils
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50 {
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51
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52 //////////////////////////////////////////////////////////////////////////////
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53
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54 QString fromStdString (const std::string& s)
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55 {
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56 return QString::fromLocal8Bit (s.c_str ());
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57 }
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58
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59 //////////////////////////////////////////////////////////////////////////////
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60
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61 std::string toStdString (const QString& s)
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62 {
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63 return std::string (s.toLocal8Bit ().data ());
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64 }
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65
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66 //////////////////////////////////////////////////////////////////////////////
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67
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68 QStringList fromStringVector (const string_vector& v)
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69 {
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70 QStringList l;
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71 octave_idx_type n = v.length ();
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72
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73 for (octave_idx_type i = 0; i < n; i++)
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74 l << fromStdString (v[i]);
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75
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76 return l;
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77 }
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78
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79 //////////////////////////////////////////////////////////////////////////////
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80
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81 string_vector toStringVector (const QStringList& l)
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82 {
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83 string_vector v (l.length ());
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84 int i = 0;
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85
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86 foreach (const QString& s, l)
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87 v[i++] = toStdString (s);
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88
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89 return v;
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90 }
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91
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92 //////////////////////////////////////////////////////////////////////////////
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93
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94 template <class T>
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95 QFont computeFont (const typename T::properties& props, int height)
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96 {
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97 QFont f (fromStdString (props.get_fontname ()));
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98
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99 static std::map<std::string, QFont::Weight> weightMap;
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100 static std::map<std::string, QFont::Style> angleMap;
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101 static bool mapsInitialized = false;
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102
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103 if (! mapsInitialized)
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104 {
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105 weightMap[std::string ("normal")] = QFont::Normal;
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106 weightMap[std::string ("light")] = QFont::Light;
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107 weightMap[std::string ("demi")] = QFont::DemiBold;
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108 weightMap[std::string ("bold")] = QFont::Normal;
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109
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110 angleMap[std::string ("normal")] = QFont::StyleNormal;
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111 angleMap[std::string ("italic")] = QFont::StyleItalic;
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112 angleMap[std::string ("oblique")] = QFont::StyleOblique;
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113
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114 mapsInitialized = true;
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115 }
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116
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117 f.setPointSizeF (props.get_fontsize_points (height));
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118 f.setWeight (weightMap[props.get_fontweight ()]);
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119 f.setStyle (angleMap[props.get_fontangle ()]);
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120
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121 return f;
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122 }
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123
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124 template QFont computeFont<uicontrol> (const uicontrol::properties& props,
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125 int height);
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126 template QFont computeFont<uipanel> (const uipanel::properties& props,
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127 int height);
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128
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129 //////////////////////////////////////////////////////////////////////////////
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130
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131 QColor fromRgb (const Matrix& rgb)
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132 {
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133 QColor c;
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134
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135 if (rgb.numel () == 3)
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136 c.setRgbF (rgb(0), rgb(1), rgb(2));
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137
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138 return c;
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139 }
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140
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141 //////////////////////////////////////////////////////////////////////////////
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142
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143 Matrix toRgb (const QColor& c)
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144 {
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145 Matrix rgb (1, 3);
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146 double* rgbData = rgb.fortran_vec ();
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147
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148 c.getRgbF (rgbData, rgbData+1, rgbData+2);
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149
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150 return rgb;
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151 }
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152
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153 //////////////////////////////////////////////////////////////////////////////
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154
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155 std::string figureSelectionType (QMouseEvent* event, bool isDoubleClick)
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156 {
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parents:
diff changeset
157 if (isDoubleClick)
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
158 return std::string ("open");
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
159 else
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
160 {
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
161 Qt::MouseButtons buttons = event->buttons ();
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
162 Qt::KeyboardModifiers mods = event->modifiers ();
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
163
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
164 if (mods == Qt::NoModifier)
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
165 {
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
166 if (buttons == Qt::LeftButton)
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
167 return std::string ("normal");
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
168 else if (buttons == Qt::RightButton)
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
169 return std::string ("alt");
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
170 #if defined (Q_WS_WIN)
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
171 else if (buttons == (Qt::LeftButton|Qt::RightButton))
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
172 return std::string ("extend");
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
173 #elif defined (Q_WS_X11)
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
174 else if (buttons == Qt::MidButton)
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
175 return std::string ("extend");
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
176 #endif
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
177 }
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
178 else if (buttons == Qt::LeftButton)
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
179 {
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
180 if (mods == Qt::ShiftModifier)
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
181 return std::string ("extend");
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
182 else if (mods == Qt::ControlModifier)
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
183 return std::string ("alt");
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
184 }
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
185 }
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
186
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
187 return std::string ("normal");
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
188 }
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
189
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
190 //////////////////////////////////////////////////////////////////////////////
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
191
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
192 Matrix figureCurrentPoint (const graphics_object& fig, QMouseEvent* event)
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
193 {
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
194 Object* tkFig = Backend::toolkitObject (fig);
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
195
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
196 if (tkFig)
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
197 {
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
198 Container* c = tkFig->innerContainer ();
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
199
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
200 if (c)
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
201 {
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
202 QPoint qp = c->mapFromGlobal (event->globalPos ());
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
203
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
204 return
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
205 tkFig->properties<figure> ().map_from_boundingbox (qp.x (),
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
206 qp.y ());
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
207 }
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
208 }
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
209
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
210 return Matrix (1, 2, 0.0);
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
211 }
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
212
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
213 //////////////////////////////////////////////////////////////////////////////
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
214
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
215 Qt::Alignment fromHVAlign (const caseless_str& halign,
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
216 const caseless_str& valign)
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
217 {
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
218 Qt::Alignment flags;
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
219
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
220 if (halign.compare ("left"))
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
221 flags |= Qt::AlignLeft;
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
222 else if (halign.compare ("center"))
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
223 flags |= Qt::AlignHCenter;
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
224 else if (halign.compare ("right"))
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
225 flags |= Qt::AlignRight;
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
226 else
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
227 flags |= Qt::AlignLeft;
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
228
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
229 if (valign.compare ("middle"))
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
230 flags |= Qt::AlignVCenter;
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
231 else if (valign.compare ("top"))
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
232 flags |= Qt::AlignTop;
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
233 else if (valign.compare ("bottom"))
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
234 flags |= Qt::AlignBottom;
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
235 else
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
236 flags |= Qt::AlignVCenter;
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
237
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
238 return flags;
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
239 }
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
240
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
241 //////////////////////////////////////////////////////////////////////////////
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
242
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
243 QImage makeImageFromCData (const octave_value& v, int width, int height)
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
244 {
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
245 dim_vector dv (v.dims ());
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
246
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
247 if (dv.length () == 3 && dv(2) == 3)
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
248 {
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
249 int w = qMin (dv(1), width);
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
250 int h = qMin (dv(0), height);
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
251
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
252 int x_off = (w < width ? (width - w) / 2 : 0);
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
253 int y_off = (h < height ? (height - h) / 2 : 0);
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
254
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
255 QImage img (width, height, QImage::Format_ARGB32);
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
256 img.fill (qRgba (0, 0, 0, 0));
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
257
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
258 if (v.is_uint8_type ())
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
259 {
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
260 uint8NDArray d = v.uint8_array_value ();
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
261
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
262 for (int i = 0; i < w; i++)
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
263 for (int j = 0; j < h; j++)
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
264 {
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
265 int r = d(j, i, 0);
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
266 int g = d(j, i, 1);
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
267 int b = d(j, i, 2);
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
268 int a = 255;
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
269
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
270 img.setPixel (x_off + i, y_off + j, qRgba (r, g, b, a));
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
271 }
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
272 }
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
273 else if (v.is_single_type ())
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
274 {
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
275 FloatNDArray f = v.float_array_value ();
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
276
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
277 for (int i = 0; i < w; i++)
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
278 for (int j = 0; j < h; j++)
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
279 {
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
280 float r = f(j, i, 0);
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
281 float g = f(j, i, 1);
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
282 float b = f(j, i, 2);
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
283 int a = (xisnan (r) || xisnan (g) || xisnan (b) ? 0 : 255);
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
284
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
285 img.setPixel (x_off + i, y_off + j,
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
286 qRgba (xround (r * 255),
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
287 xround (g * 255),
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
288 xround (b * 255),
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
289 a));
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
290 }
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
291 }
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
292 else if (v.is_real_type ())
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
293 {
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
294 NDArray d = v.array_value ();
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
295
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
296 for (int i = 0; i < w; i++)
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
297 for (int j = 0; j < h; j++)
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
298 {
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
299 double r = d(j, i, 0);
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
300 double g = d(j, i, 1);
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
301 double b = d(j, i, 2);
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
302 int a = (xisnan (r) || xisnan (g) || xisnan (b) ? 0 : 255);
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
303
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
304 img.setPixel (x_off + i, y_off + j,
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
305 qRgba (xround (r * 255),
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
306 xround (g * 255),
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
307 xround (b * 255),
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
308 a));
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
309 }
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
310 }
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
311
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
312 return img;
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
313 }
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
314
2e7cad6f180c Initial integration of QtHandles.
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315 return QImage ();
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316 }
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317
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318 //////////////////////////////////////////////////////////////////////////////
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319
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320 octave_scalar_map makeKeyEventStruct (QKeyEvent* event)
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321 {
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322 octave_scalar_map retval;
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323
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324 retval.setfield ("Key", KeyMap::qKeyToKeyString (event->key ()));
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325 retval.setfield ("Character", toStdString (event->text ()));
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326
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327 std::list<std::string> modList;
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328 Qt::KeyboardModifiers mods = event->modifiers ();
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329
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330 if (mods & Qt::ShiftModifier)
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331 modList.push_back ("shift");
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332 if (mods & Qt::ControlModifier)
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333 #ifdef Q_OS_MAC
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334 modList.push_back ("command");
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335 #else
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336 modList.push_back ("control");
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337 #endif
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338 if (mods & Qt::AltModifier)
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339 modList.push_back ("alt");
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340 #ifdef Q_OS_MAC
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341 if (mods & Qt::MetaModifier)
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342 modList.push_back ("control");
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343 #endif
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344
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345 retval.setfield ("Modifier", Cell (modList));
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346
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347 return retval;
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348 }
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349
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350 //////////////////////////////////////////////////////////////////////////////
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351
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352 }; // namespace Utils
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353
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354 //////////////////////////////////////////////////////////////////////////////
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355
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356 }; // namespace QtHandles