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annotate libgui/graphics/PopupMenuControl.cc @ 20614:10ec79b47808

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use new string_value method to handle value extraction errors * __voronoi__.cc, chol.cc, colamd.cc, fftw.cc: Use new string_value method.
author John W. Eaton <jwe@octave.org>
date Thu, 08 Oct 2015 18:15:56 -0400
parents 5bd3216748fc
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2
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3 Copyright (C) 2011-2015 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 <QComboBox>
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28
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29 #include "Container.h"
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30 #include "PopupMenuControl.h"
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31 #include "QtHandlesUtils.h"
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32
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33 namespace QtHandles
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34 {
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35
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36 PopupMenuControl*
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37 PopupMenuControl::create (const graphics_object& go)
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38 {
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39 Object* parent = Object::parentObject (go);
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40
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41 if (parent)
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42 {
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43 Container* container = parent->innerContainer ();
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44
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45 if (container)
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46 return new PopupMenuControl (go, new QComboBox (container));
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47 }
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48
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49 return 0;
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50 }
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51
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52 PopupMenuControl::PopupMenuControl (const graphics_object& go, QComboBox *box)
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53 : BaseControl (go, box), m_blockUpdate (false)
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54 {
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55 uicontrol::properties& up = properties<uicontrol> ();
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56
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57 box->addItems (Utils::fromStdString (up.get_string_string ()).split ('|'));
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58
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59 update (uicontrol::properties::ID_VALUE);
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60
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61 connect (box, SIGNAL (currentIndexChanged (int)),
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62 SLOT (currentIndexChanged (int)));
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63 }
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64
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65 PopupMenuControl::~PopupMenuControl (void)
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66 {
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67 }
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68
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69 void PopupMenuControl::update (int pId)
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70 {
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71 uicontrol::properties& up = properties<uicontrol> ();
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72 QComboBox* box = qWidget<QComboBox> ();
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73
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74 switch (pId)
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75 {
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76 case uicontrol::properties::ID_STRING:
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77 m_blockUpdate = true;
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78 {
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79 int oldCurrent = box->currentIndex ();
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80
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81 box->clear ();
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82 box->addItems (Utils::fromStdString
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83 (up.get_string_string ()).split ('|'));
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84 if (box->count() > 0
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85 && oldCurrent >= 0
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86 && oldCurrent < box->count ())
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87 {
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88 box->setCurrentIndex (oldCurrent);
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89 }
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90 else
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91 {
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92 gh_manager::post_set (m_handle, "value",
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93 octave_value (box->count () > 0
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94 ? 1.0 : 0.0),
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95 false);
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96 }
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97 }
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98 m_blockUpdate = false;
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99 break;
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100
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101 case uicontrol::properties::ID_VALUE:
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102 m_blockUpdate = true;
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103 {
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104 Matrix value = up.get_value ().matrix_value ();
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105
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106 if (value.numel () > 0)
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107 {
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108 if (value(0) != static_cast<int>(value(0)))
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109 {
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110 warning ("popupmenu value should be integer");
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111 }
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112 else
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113 {
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114 int newIndex = int (value(0)) - 1;
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115
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116 if (newIndex >= 0 && newIndex < box->count ())
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117 {
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118 if (newIndex != box->currentIndex ())
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119 box->setCurrentIndex (newIndex);
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120 }
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121 else
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122 warning ("popupmenu value not within valid display range");
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123 }
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124 }
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125 }
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126 m_blockUpdate = false;
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127 break;
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128
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129 default:
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130 BaseControl::update (pId);
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131 break;
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132 }
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133 }
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134
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135 void
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136 PopupMenuControl::currentIndexChanged (int index)
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137 {
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138 if (! m_blockUpdate)
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139 {
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140 gh_manager::post_set (m_handle, "value",
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141 octave_value (double (index + 1)),
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142 false);
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143 gh_manager::post_callback (m_handle, "callback");
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144 }
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145 }
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146
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147 }; // namespace QtHandles