Mercurial > octave
annotate libgui/graphics/PopupMenuControl.cc @ 27919:1891570abac8
update Octave Project Developers copyright for the new year
In files that have the "Octave Project Developers" copyright notice,
update for 2020.
author | John W. Eaton <jwe@octave.org> |
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date | Mon, 06 Jan 2020 22:29:51 -0500 |
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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 distribution |
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6 or <https://octave.org/COPYRIGHT.html/>. |
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7 |
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8 |
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9 This file is part of Octave. |
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10 |
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11 Octave is free software: you can redistribute it and/or modify it |
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12 under the terms of the GNU General Public License as published by |
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13 the Free Software Foundation, either version 3 of the License, or |
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14 (at your option) any later version. |
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15 |
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16 Octave is distributed in the hope that it will be useful, but |
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17 WITHOUT ANY WARRANTY; without even the implied warranty of |
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18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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19 GNU General Public License for more details. |
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20 |
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21 You should have received a copy of the GNU General Public License |
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22 along with Octave; see the file COPYING. If not, see |
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23 <https://www.gnu.org/licenses/>. |
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24 |
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25 */ |
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26 |
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27 #if defined (HAVE_CONFIG_H) |
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28 # include "config.h" |
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29 #endif |
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30 |
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31 #include <QComboBox> |
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32 |
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33 #include "Container.h" |
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34 #include "PopupMenuControl.h" |
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35 #include "QtHandlesUtils.h" |
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36 |
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37 #include "octave-qobject.h" |
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38 |
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39 namespace QtHandles |
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40 { |
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41 |
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42 PopupMenuControl* |
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43 PopupMenuControl::create (octave::base_qobject& oct_qobj, |
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44 octave::interpreter& interp, |
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45 const graphics_object& go) |
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46 { |
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47 Object *parent = parentObject (interp, go); |
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48 |
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49 if (parent) |
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50 { |
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51 Container *container = parent->innerContainer (); |
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52 |
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53 if (container) |
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54 return new PopupMenuControl (oct_qobj, interp, go, |
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55 new QComboBox (container)); |
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56 } |
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57 |
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58 return nullptr; |
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59 } |
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60 |
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61 PopupMenuControl::PopupMenuControl (octave::base_qobject& oct_qobj, |
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62 octave::interpreter& interp, |
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63 const graphics_object& go, |
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64 QComboBox *box) |
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65 : BaseControl (oct_qobj, interp, go, box), m_blockUpdate (false) |
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66 { |
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67 uicontrol::properties& up = properties<uicontrol> (); |
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68 |
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69 box->addItems (Utils::fromStdString (up.get_string_string ()).split ('|')); |
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70 |
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71 update (uicontrol::properties::ID_VALUE); |
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72 |
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73 connect (box, SIGNAL (activated (int)), |
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74 SLOT (currentIndexChanged (int))); |
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75 } |
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76 |
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77 PopupMenuControl::~PopupMenuControl (void) |
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78 { } |
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79 |
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80 void PopupMenuControl::update (int pId) |
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81 { |
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82 uicontrol::properties& up = properties<uicontrol> (); |
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83 QComboBox *box = qWidget<QComboBox> (); |
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84 |
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85 switch (pId) |
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86 { |
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87 case uicontrol::properties::ID_STRING: |
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88 m_blockUpdate = true; |
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89 { |
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90 int oldCurrent = box->currentIndex (); |
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91 |
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92 box->clear (); |
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93 box->addItems (Utils::fromStdString |
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94 (up.get_string_string ()).split ('|')); |
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95 if (box->count () > 0 |
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96 && oldCurrent >= 0 |
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97 && oldCurrent < box->count ()) |
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98 { |
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99 box->setCurrentIndex (oldCurrent); |
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100 } |
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101 else |
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102 { |
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103 emit gh_set_event (m_handle, "value", |
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104 octave_value (box->count () > 0 ? 1.0 : 0.0), |
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105 false); |
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106 } |
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107 } |
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108 m_blockUpdate = false; |
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109 break; |
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110 |
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111 case uicontrol::properties::ID_VALUE: |
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112 m_blockUpdate = true; |
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113 { |
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114 Matrix value = up.get_value ().matrix_value (); |
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115 |
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116 if (value.numel () > 0) |
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117 { |
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118 if (value(0) != static_cast<int> (value(0))) |
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119 warning ("popupmenu value should be integer"); |
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120 else |
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121 { |
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122 int newIndex = int (value(0)) - 1; |
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123 |
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124 if (newIndex >= 0 && newIndex < box->count ()) |
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125 { |
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126 if (newIndex != box->currentIndex ()) |
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127 box->setCurrentIndex (newIndex); |
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128 } |
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129 else |
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130 warning ("popupmenu value not within valid display range"); |
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131 } |
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132 } |
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133 } |
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134 m_blockUpdate = false; |
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135 break; |
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136 |
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137 default: |
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138 BaseControl::update (pId); |
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139 break; |
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140 } |
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141 } |
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142 |
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143 void |
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144 PopupMenuControl::currentIndexChanged (int index) |
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145 { |
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146 if (! m_blockUpdate) |
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147 { |
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148 emit gh_set_event (m_handle, "value", octave_value (double (index + 1)), |
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149 false); |
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150 emit gh_callback_event (m_handle, "callback"); |
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151 } |
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152 } |
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153 |
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154 } |