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annotate libgui/graphics/PopupMenuControl.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 <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 "Utils.h"
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32
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33 //////////////////////////////////////////////////////////////////////////////
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34
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35 namespace QtHandles
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36 {
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37
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38 //////////////////////////////////////////////////////////////////////////////
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39
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40 PopupMenuControl* PopupMenuControl::create (const graphics_object& go)
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41 {
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42 Object* parent = Object::parentObject (go);
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43
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44 if (parent)
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45 {
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46 Container* container = parent->innerContainer ();
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47
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48 if (container)
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49 return new PopupMenuControl (go, new QComboBox (container));
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50 }
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51
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52 return 0;
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53 }
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54
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55 //////////////////////////////////////////////////////////////////////////////
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56
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57 PopupMenuControl::PopupMenuControl (const graphics_object& go, QComboBox *box)
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58 : BaseControl (go, box), m_blockUpdate (false)
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59 {
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60 uicontrol::properties& up = properties<uicontrol> ();
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61
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62 box->addItems (Utils::fromStdString (up.get_string_string ()).split ('|'));
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63
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64 connect (box, SIGNAL (currentIndexChanged (int)),
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65 SLOT (currentIndexChanged (int)));
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66 }
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67
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68 //////////////////////////////////////////////////////////////////////////////
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69
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70 PopupMenuControl::~PopupMenuControl (void)
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71 {
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72 }
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73
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74 //////////////////////////////////////////////////////////////////////////////
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75
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76 void PopupMenuControl::update (int pId)
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77 {
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78 uicontrol::properties& up = properties<uicontrol> ();
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79 QComboBox* box = qWidget<QComboBox> ();
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80
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81 switch (pId)
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82 {
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83 case uicontrol::properties::ID_STRING:
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84 m_blockUpdate = true;
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85 {
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86 int oldCurrent = box->currentIndex ();
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87
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88 box->clear ();
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89 box->addItems (Utils::fromStdString
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90 (up.get_string_string ()).split ('|'));
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91 if (box->count() > 0
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92 && oldCurrent >= 0
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93 && oldCurrent < box->count ())
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94 {
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95 box->setCurrentIndex (oldCurrent);
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96 }
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97 else
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98 {
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99 gh_manager::post_set (m_handle, "value",
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100 octave_value (box->count () > 0
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101 ? 1.0 : 0.0),
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102 false);
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103 }
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104 }
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105 m_blockUpdate = false;
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106 break;
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107 case uicontrol::properties::ID_VALUE:
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108 {
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109 Matrix value = up.get_value ().matrix_value ();
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110
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111 if (value.numel () > 0)
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112 {
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113 int newIndex = int (value(0)) - 1;
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114
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115 if (newIndex >= 0 && newIndex < box->count ()
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116 && newIndex != box->currentIndex ())
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117 {
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118 box->setCurrentIndex (newIndex);
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119 }
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120 }
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121 }
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122 break;
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123 default:
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124 BaseControl::update (pId);
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125 break;
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126 }
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127 }
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128
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129 //////////////////////////////////////////////////////////////////////////////
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130
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131 void PopupMenuControl::currentIndexChanged (int index)
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132 {
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133 if (! m_blockUpdate)
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134 {
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135 gh_manager::post_set (m_handle, "value",
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136 octave_value (double (index + 1)),
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137 false);
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138 gh_manager::post_callback (m_handle, "callback");
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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
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144 }; // namespace QtHandles