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annotate libgui/graphics/PopupMenuControl.cc @ 31649:deb553ac2c54

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maint: Merge stable to default.
author John W. Eaton <jwe@octave.org>
date Tue, 06 Dec 2022 15:45:27 -0500
parents 431f80aba37a 29d734430e5f
children 5f11de0e7440
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 2011-2022 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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25
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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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29
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30 #include <QComboBox>
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31
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32 #include "Container.h"
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33 #include "PopupMenuControl.h"
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34 #include "QtHandlesUtils.h"
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35
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36 #include "octave-qtutils.h"
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37
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38 OCTAVE_BEGIN_NAMESPACE(octave)
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39
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40 PopupMenuControl *
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41 PopupMenuControl::create (octave::interpreter& interp,
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42 const graphics_object& go)
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43 {
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44 Object *parent = parentObject (interp, go);
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45
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46 if (parent)
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47 {
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48 Container *container = parent->innerContainer ();
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49
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50 if (container)
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51 return new PopupMenuControl (interp, go,
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52 new QComboBox (container));
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53 }
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54
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55 return nullptr;
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56 }
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57
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58 PopupMenuControl::PopupMenuControl (octave::interpreter& interp,
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59 const graphics_object& go,
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60 QComboBox *box)
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61 : BaseControl (interp, go, box), m_blockUpdate (false)
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62 {
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63 uicontrol::properties& up = properties<uicontrol> ();
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64
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65 box->addItems (Utils::fromStdString (up.get_string_string ()).split ('|'));
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66
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67 update (uicontrol::properties::ID_VALUE);
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68
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69 connect (box, QOverload<int>::of (&QComboBox::activated),
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70 this, &PopupMenuControl::currentIndexChanged);
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71 }
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72
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73 PopupMenuControl::~PopupMenuControl (void)
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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 emit gh_set_event (m_handle, "value",
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100 octave_value (box->count () > 0 ? 1.0 : 0.0),
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101 false);
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102 }
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103 }
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104 m_blockUpdate = false;
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105 break;
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106
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107 case uicontrol::properties::ID_VALUE:
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108 m_blockUpdate = true;
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109 {
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110 Matrix value = up.get_value ().matrix_value ();
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111
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112 if (value.numel () > 0)
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113 {
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114 if (value(0) != static_cast<int> (value(0)))
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115 warning ("popupmenu value should be integer");
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116 else
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117 {
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118 int newIndex = int (value(0)) - 1;
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119
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120 if (newIndex >= 0 && newIndex < box->count ())
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121 {
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122 if (newIndex != box->currentIndex ())
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123 box->setCurrentIndex (newIndex);
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124 }
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125 else
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126 warning ("popupmenu value not within valid display range");
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127 }
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128 }
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129 }
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130 m_blockUpdate = false;
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131 break;
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132
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133 default:
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134 BaseControl::update (pId);
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135 break;
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136 }
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137 }
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138
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139 void
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140 PopupMenuControl::currentIndexChanged (int index)
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141 {
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142 if (! m_blockUpdate)
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143 {
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144 emit gh_set_event (m_handle, "value", octave_value (double (index + 1)),
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145 false);
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146 emit gh_callback_event (m_handle, "callback");
22411
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22323
diff changeset
147 }
c69805d1fa64 maint: Style check C++ code in libgui/
Rik <rik@octave.org>
parents: 22323
diff changeset
148 }
18498
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
149
31646
c6d54dd31a7e maint: Use macros to begin/end C++ namespaces.
John W. Eaton <jwe@octave.org>
parents: 30564
diff changeset
150 OCTAVE_END_NAMESPACE(octave)