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annotate libgui/graphics/ListBoxControl.cc @ 29358:0a5b15007766 stable

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update Octave Project Developers copyright for the new year In files that have the "Octave Project Developers" copyright notice, update for 2021.
author John W. Eaton <jwe@octave.org>
date Wed, 10 Feb 2021 09:52:15 -0500
parents bd51beb6205e
children 3d34b70b5a49
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 2011-2021 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 <QListWidget>
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31 #include <QEvent>
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32 #include <QMouseEvent>
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33
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34 #include "Container.h"
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35 #include "ListBoxControl.h"
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36 #include "QtHandlesUtils.h"
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37
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38 #include "octave-qobject.h"
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39
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40 namespace QtHandles
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41 {
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42
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43 static void
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44 updateSelection (QListWidget *list, const Matrix& value)
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45 {
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46 octave_idx_type n = value.numel ();
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47 int lc = list->count ();
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48
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49 list->clearSelection ();
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50
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51 for (octave_idx_type i = 0; i < n; i++)
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52 {
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53 int idx = octave::math::round (value(i));
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54
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55 if (1 <= idx && idx <= lc)
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56 {
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57 list->item (idx-1)->setSelected (true);
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58 list->scrollToItem (list->item (idx-1));
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59 if (i == 0
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60 && list->selectionMode () == QAbstractItemView::SingleSelection)
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61 break;
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62 }
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63 else
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64 {
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65 // Invalid selection.
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66 list->clearSelection ();
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67 break;
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68 }
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69 }
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70 }
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71
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72 ListBoxControl*
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73 ListBoxControl::create (octave::base_qobject& oct_qobj,
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74 octave::interpreter& interp,
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75 const graphics_object& go)
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76 {
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77 Object *parent = parentObject (interp, go);
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78
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79 if (parent)
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80 {
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81 Container *container = parent->innerContainer ();
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82
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83 if (container)
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84 return new ListBoxControl (oct_qobj, interp, go,
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85 new QListWidget (container));
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86 }
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87
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88 return nullptr;
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89 }
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90
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91 ListBoxControl::ListBoxControl (octave::base_qobject& oct_qobj,
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92 octave::interpreter& interp,
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93 const graphics_object& go, QListWidget *list)
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94 : BaseControl (oct_qobj, interp, go, list), m_blockCallback (false),
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95 m_selectionChanged (false)
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96 {
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97 uicontrol::properties& up = properties<uicontrol> ();
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98
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99 list->addItems (Utils::fromStringVector (up.get_string_vector ()));
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100 if ((up.get_max () - up.get_min ()) > 1)
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101 list->setSelectionMode (QAbstractItemView::ExtendedSelection);
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102 else
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103 list->setSelectionMode (QAbstractItemView::SingleSelection);
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104 Matrix value = up.get_value ().matrix_value ();
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105 if (value.numel () > 0)
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106 {
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107 octave_idx_type n = value.numel ();
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108 int lc = list->count ();
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109
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110 for (octave_idx_type i = 0; i < n; i++)
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111 {
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112 int idx = octave::math::round (value(i));
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113
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114 if (1 <= idx && idx <= lc)
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115 {
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116 list->item (idx-1)->setSelected (true);
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117 list->scrollToItem (list->item (idx-1));
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118 if (i == 0 && (list->selectionMode ()
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119 == QAbstractItemView::SingleSelection))
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120 break;
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121 }
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122 }
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123 }
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124
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125 list->viewport ()->installEventFilter (this);
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126
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127 connect (list, SIGNAL (itemSelectionChanged (void)),
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128 SLOT (itemSelectionChanged (void)));
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129 connect (list, SIGNAL (activated (const QModelIndex &)),
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130 SLOT (itemActivated (const QModelIndex &)));
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131 connect (list, SIGNAL (itemPressed (QListWidgetItem*)),
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132 SLOT (itemPressed (QListWidgetItem*)));
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133 }
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134
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135 ListBoxControl::~ListBoxControl (void)
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136 { }
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137
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138 void
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139 ListBoxControl::update (int pId)
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140 {
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141 uicontrol::properties& up = properties<uicontrol> ();
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142 QListWidget *list = qWidget<QListWidget> ();
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143
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144 switch (pId)
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145 {
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diff changeset
146 case uicontrol::properties::ID_STRING:
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diff changeset
147 m_blockCallback = true;
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diff changeset
148 list->clear ();
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diff changeset
149 list->addItems (Utils::fromStringVector (up.get_string_vector ()));
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diff changeset
150 updateSelection (list, up.get_value ().matrix_value ());
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diff changeset
151 m_blockCallback = false;
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diff changeset
152 break;
19967
3cc0734283dc style fixes in Qt graphics code
John W. Eaton <jwe@octave.org>
parents: 19866
diff changeset
153
22411
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diff changeset
154 case uicontrol::properties::ID_MIN:
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155
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diff changeset
156 case uicontrol::properties::ID_MAX:
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157 if ((up.get_max () - up.get_min ()) > 1)
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diff changeset
158 list->setSelectionMode (QAbstractItemView::ExtendedSelection);
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diff changeset
159 else
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diff changeset
160 list->setSelectionMode (QAbstractItemView::SingleSelection);
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diff changeset
161 break;
19967
3cc0734283dc style fixes in Qt graphics code
John W. Eaton <jwe@octave.org>
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diff changeset
162
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diff changeset
163 case uicontrol::properties::ID_VALUE:
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diff changeset
164 m_blockCallback = true;
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diff changeset
165 updateSelection (list, up.get_value ().matrix_value ());
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diff changeset
166 m_blockCallback = false;
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diff changeset
167 break;
19967
3cc0734283dc style fixes in Qt graphics code
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diff changeset
168
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diff changeset
169 default:
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diff changeset
170 BaseControl::update (pId);
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171 break;
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parents: 22323
diff changeset
172 }
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parents: 22323
diff changeset
173 }
18498
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
174
22411
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diff changeset
175 void
23070
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diff changeset
176 ListBoxControl::sendSelectionChange ()
22411
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diff changeset
177 {
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diff changeset
178 if (! m_blockCallback)
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diff changeset
179 {
23449
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diff changeset
180 QListWidget *list = qWidget<QListWidget> ();
18498
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parents:
diff changeset
181
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diff changeset
182 QModelIndexList l = list->selectionModel ()->selectedIndexes ();
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diff changeset
183 Matrix value (dim_vector (1, l.size ()));
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Rik <rik@octave.org>
parents: 22323
diff changeset
184 int i = 0;
18498
2e7cad6f180c Initial integration of QtHandles.
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parents:
diff changeset
185
27677
92fea2cd024f use standard C++ range-based for loops instead of Qt foreach macro
John W. Eaton <jwe@octave.org>
parents: 27647
diff changeset
186 for (const auto& idx : l)
23070
bef714f45999 maint: Use space after function name/before parenthesis in libgui.
Rik <rik@octave.org>
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diff changeset
187 value(i++) = idx.row () + 1;
18498
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
188
27319
6b2d20317b26 use Qt signals to manage calls to gh_manager functions in Qt graphics toolkit
John W. Eaton <jwe@octave.org>
parents: 26376
diff changeset
189 emit gh_set_event (m_handle, "value", octave_value (value), false);
6b2d20317b26 use Qt signals to manage calls to gh_manager functions in Qt graphics toolkit
John W. Eaton <jwe@octave.org>
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diff changeset
190 emit gh_callback_event (m_handle, "callback");
22411
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diff changeset
191 }
22726
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diff changeset
192
25103
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193 m_selectionChanged = false;
22726
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diff changeset
194 }
dd2f547c21a0 QtHandles: firie listbox callback on click of selected item (Bug #44748)
John Donoghue
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diff changeset
195
dd2f547c21a0 QtHandles: firie listbox callback on click of selected item (Bug #44748)
John Donoghue
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diff changeset
196 void
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John Donoghue
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diff changeset
197 ListBoxControl::itemSelectionChanged (void)
dd2f547c21a0 QtHandles: firie listbox callback on click of selected item (Bug #44748)
John Donoghue
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diff changeset
198 {
dd2f547c21a0 QtHandles: firie listbox callback on click of selected item (Bug #44748)
John Donoghue
parents: 22417
diff changeset
199 if (! m_blockCallback)
dd2f547c21a0 QtHandles: firie listbox callback on click of selected item (Bug #44748)
John Donoghue
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diff changeset
200 m_selectionChanged = true;
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John Donoghue
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diff changeset
201 }
dd2f547c21a0 QtHandles: firie listbox callback on click of selected item (Bug #44748)
John Donoghue
parents: 22417
diff changeset
202
22737
7abc25e6206a maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
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diff changeset
203 void
22726
dd2f547c21a0 QtHandles: firie listbox callback on click of selected item (Bug #44748)
John Donoghue
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diff changeset
204 ListBoxControl::itemActivated (const QModelIndex &)
dd2f547c21a0 QtHandles: firie listbox callback on click of selected item (Bug #44748)
John Donoghue
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diff changeset
205 {
dd2f547c21a0 QtHandles: firie listbox callback on click of selected item (Bug #44748)
John Donoghue
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diff changeset
206 m_selectionChanged = true;
dd2f547c21a0 QtHandles: firie listbox callback on click of selected item (Bug #44748)
John Donoghue
parents: 22417
diff changeset
207 }
22737
7abc25e6206a maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
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diff changeset
208 void
22726
dd2f547c21a0 QtHandles: firie listbox callback on click of selected item (Bug #44748)
John Donoghue
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diff changeset
209 ListBoxControl::itemPressed (QListWidgetItem*)
dd2f547c21a0 QtHandles: firie listbox callback on click of selected item (Bug #44748)
John Donoghue
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diff changeset
210 {
dd2f547c21a0 QtHandles: firie listbox callback on click of selected item (Bug #44748)
John Donoghue
parents: 22417
diff changeset
211 m_selectionChanged = true;
22411
c69805d1fa64 maint: Style check C++ code in libgui/
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parents: 22323
diff changeset
212 }
18498
2e7cad6f180c Initial integration of QtHandles.
John W. Eaton <jwe@octave.org>
parents:
diff changeset
213
22737
7abc25e6206a maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 22726
diff changeset
214 bool
23449
c763214a8260 maint: Use convention 'int *x' for naming pointers.
Rik <rik@octave.org>
parents: 23447
diff changeset
215 ListBoxControl::eventFilter (QObject *watched, QEvent *e)
22726
dd2f547c21a0 QtHandles: firie listbox callback on click of selected item (Bug #44748)
John Donoghue
parents: 22417
diff changeset
216 {
dd2f547c21a0 QtHandles: firie listbox callback on click of selected item (Bug #44748)
John Donoghue
parents: 22417
diff changeset
217 // listbox change
dd2f547c21a0 QtHandles: firie listbox callback on click of selected item (Bug #44748)
John Donoghue
parents: 22417
diff changeset
218 if (watched == m_qobject)
dd2f547c21a0 QtHandles: firie listbox callback on click of selected item (Bug #44748)
John Donoghue
parents: 22417
diff changeset
219 {
dd2f547c21a0 QtHandles: firie listbox callback on click of selected item (Bug #44748)
John Donoghue
parents: 22417
diff changeset
220 switch (e->type ())
dd2f547c21a0 QtHandles: firie listbox callback on click of selected item (Bug #44748)
John Donoghue
parents: 22417
diff changeset
221 {
25103
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
222 case QEvent::KeyRelease:
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
223 if (m_selectionChanged)
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
224 sendSelectionChange ();
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
225 m_selectionChanged = false;
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
226 break;
22737
7abc25e6206a maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 22726
diff changeset
227
25103
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
228 default:
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
229 break;
22737
7abc25e6206a maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 22726
diff changeset
230 }
7abc25e6206a maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 22726
diff changeset
231
22726
dd2f547c21a0 QtHandles: firie listbox callback on click of selected item (Bug #44748)
John Donoghue
parents: 22417
diff changeset
232 return Object::eventFilter (watched, e);
dd2f547c21a0 QtHandles: firie listbox callback on click of selected item (Bug #44748)
John Donoghue
parents: 22417
diff changeset
233 }
dd2f547c21a0 QtHandles: firie listbox callback on click of selected item (Bug #44748)
John Donoghue
parents: 22417
diff changeset
234 // listbox viewport
dd2f547c21a0 QtHandles: firie listbox callback on click of selected item (Bug #44748)
John Donoghue
parents: 22417
diff changeset
235 else
dd2f547c21a0 QtHandles: firie listbox callback on click of selected item (Bug #44748)
John Donoghue
parents: 22417
diff changeset
236 {
dd2f547c21a0 QtHandles: firie listbox callback on click of selected item (Bug #44748)
John Donoghue
parents: 22417
diff changeset
237 bool override_return = false;
23449
c763214a8260 maint: Use convention 'int *x' for naming pointers.
Rik <rik@octave.org>
parents: 23447
diff changeset
238 QListWidget *list = qWidget<QListWidget> ();
22726
dd2f547c21a0 QtHandles: firie listbox callback on click of selected item (Bug #44748)
John Donoghue
parents: 22417
diff changeset
239
dd2f547c21a0 QtHandles: firie listbox callback on click of selected item (Bug #44748)
John Donoghue
parents: 22417
diff changeset
240 switch (e->type ())
dd2f547c21a0 QtHandles: firie listbox callback on click of selected item (Bug #44748)
John Donoghue
parents: 22417
diff changeset
241 {
25103
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
242 case QEvent::MouseButtonPress:
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
243 {
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
244 QMouseEvent *m = dynamic_cast<QMouseEvent *> (e);
22726
dd2f547c21a0 QtHandles: firie listbox callback on click of selected item (Bug #44748)
John Donoghue
parents: 22417
diff changeset
245
25103
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
246 if (m->button () & Qt::RightButton)
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
247 override_return = true;
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
248 else
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
249 {
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
250 if (! list->indexAt (m->pos ()).isValid ())
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
251 override_return = true;
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
252 m_selectionChanged = true;
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
253 }
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
254 break;
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
255 }
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
256 case QEvent::MouseButtonRelease:
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
257 {
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
258 QMouseEvent *m = dynamic_cast<QMouseEvent *> (e);
22737
7abc25e6206a maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 22726
diff changeset
259
25103
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
260 if (m->button () & Qt::RightButton)
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
261 override_return = true;
22726
dd2f547c21a0 QtHandles: firie listbox callback on click of selected item (Bug #44748)
John Donoghue
parents: 22417
diff changeset
262
25103
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
263 else if (! list->indexAt (m->pos ()).isValid ())
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
264 {
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
265 list->setCurrentRow (list->count () - 1);
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
266 override_return = true;
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
267 }
22726
dd2f547c21a0 QtHandles: firie listbox callback on click of selected item (Bug #44748)
John Donoghue
parents: 22417
diff changeset
268
25103
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
269 if (m_selectionChanged)
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
270 sendSelectionChange ();
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
271 m_selectionChanged = false;
22737
7abc25e6206a maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 22726
diff changeset
272
22726
dd2f547c21a0 QtHandles: firie listbox callback on click of selected item (Bug #44748)
John Donoghue
parents: 22417
diff changeset
273 break;
25103
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
274 }
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
275 default:
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
276 break;
22737
7abc25e6206a maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 22726
diff changeset
277
22726
dd2f547c21a0 QtHandles: firie listbox callback on click of selected item (Bug #44748)
John Donoghue
parents: 22417
diff changeset
278 }
dd2f547c21a0 QtHandles: firie listbox callback on click of selected item (Bug #44748)
John Donoghue
parents: 22417
diff changeset
279 return BaseControl::eventFilter (watched, e) || override_return;
dd2f547c21a0 QtHandles: firie listbox callback on click of selected item (Bug #44748)
John Donoghue
parents: 22417
diff changeset
280 }
dd2f547c21a0 QtHandles: firie listbox callback on click of selected item (Bug #44748)
John Donoghue
parents: 22417
diff changeset
281 }
22413
8758addcf265 maint: Remove ';' at end of namespace declaration.
Rik <rik@octave.org>
parents: 22411
diff changeset
282 }