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annotate libgui/graphics/ButtonControl.cc @ 27923:bd51beb6205e

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update formatting of copyright notices * Use <https://octave.org/copyright/> instead of <https://octave.org/COPYRIGHT.html/>. * For consistency with other comments in the Octave sources, use C++-style comments for copyright blocks in C and C++ files. * Use delimiters above and below copyright blocks that are appropriate for the language used in the file. * Eliminate extra spacing inside copyright blocks. * lex.ll (looks_like_copyright): Also allow newlines and carriage returns before the word "Copyright". * scripts/mk-doc.pl (gethelp): Also skip empty comment lines. * bp-table.cc, type.m: Adjust tests.
author John W. Eaton <jwe@octave.org>
date Wed, 08 Jan 2020 11:59:41 -0500
parents 1891570abac8
children 0a5b15007766
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27923
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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
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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 <QAbstractButton>
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31
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32 #include "ButtonControl.h"
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33 #include "ButtonGroup.h"
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34 #include "Container.h"
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35 #include "QtHandlesUtils.h"
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36
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37 #include "graphics.h"
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38 #include "interpreter.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 ButtonControl::ButtonControl (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 QAbstractButton *btn)
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47 : BaseControl (oct_qobj, interp, go, btn), m_blockCallback (false)
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48 {
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49 uicontrol::properties& up = properties<uicontrol> ();
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50
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51 QString str = Utils::fromStdString (up.get_string_string ());
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52 str.replace ("&", "&&");
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53 btn->setText (str);
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54 if (btn->isCheckable () || up.style_is ("togglebutton"))
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55 {
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56 btn->setCheckable (true);
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57
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58 Matrix value = up.get_value ().matrix_value ();
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59
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60 if (value.numel () > 0 && value(0) == up.get_max ())
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61 btn->setChecked (true);
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62 }
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63
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64 connect (btn, SIGNAL (clicked (void)), SLOT (clicked (void)));
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65 connect (btn, SIGNAL (toggled (bool)), SLOT (toggled (bool)));
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66 }
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67
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68 ButtonControl::~ButtonControl (void)
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69 { }
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70
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71 void
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72 ButtonControl::update (int pId)
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73 {
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74 uicontrol::properties& up = properties<uicontrol> ();
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75 QAbstractButton *btn = qWidget<QAbstractButton> ();
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76
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77 switch (pId)
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78 {
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79 case uicontrol::properties::ID_STRING:
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80 {
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81 QString str = Utils::fromStdString (up.get_string_string ());
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82 str.replace ("&", "&&");
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83 btn->setText (str);
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84 break;
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85 }
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86
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87 case uicontrol::properties::ID_VALUE:
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88 m_blockCallback = true;
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89 if (btn->isCheckable ())
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90 {
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91 Matrix value = up.get_value ().matrix_value ();
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92
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93 if (value.numel () > 0)
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94 {
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95 double dValue = value(0);
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96
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97 if (dValue != 0.0 && dValue != 1.0)
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98 warning ("button value not within valid display range");
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99 else if (dValue == up.get_min () && btn->isChecked ())
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100 {
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101 btn->setChecked (false);
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102 if (up.style_is ("radiobutton") || up.style_is ("togglebutton"))
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103 {
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104 gh_manager& gh_mgr = m_interpreter.get_gh_manager ();
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105
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106 Object *parent = Object::parentObject (m_interpreter, gh_mgr.get_object (up.get___myhandle__ ()));
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107 ButtonGroup *btnGroup = dynamic_cast<ButtonGroup *>(parent);
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108 if (btnGroup)
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109 btnGroup->selectNothing ();
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110 }
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111 }
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112 else if (dValue == up.get_max () && ! btn->isChecked ())
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113 btn->setChecked (true);
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114 }
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115 }
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116 m_blockCallback = false;
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117 break;
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118
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119 default:
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120 BaseControl::update (pId);
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121 break;
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122 }
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123 }
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124
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125 void
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126 ButtonControl::toggled (bool checked)
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127 {
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128 QAbstractButton *btn = qWidget<QAbstractButton> ();
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129
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130 if (! m_blockCallback && btn->isCheckable ())
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131 {
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132 gh_manager& gh_mgr = m_interpreter.get_gh_manager ();
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133
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134 octave::autolock guard (gh_mgr.graphics_lock ());
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135
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136 uicontrol::properties& up = properties<uicontrol> ();
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137
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138 Matrix oldValue = up.get_value ().matrix_value ();
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139 double newValue = (checked ? up.get_max () : up.get_min ());
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140
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141 if (oldValue.numel () != 1 || (newValue != oldValue(0)))
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142 emit gh_set_event (m_handle, "value", newValue, false);
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143 emit gh_callback_event (m_handle, "callback");
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144 }
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145 }
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146
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147 void
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148 ButtonControl::clicked (void)
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149 {
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150 QAbstractButton *btn = qWidget<QAbstractButton> ();
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151
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152 if (! btn->isCheckable ())
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153 emit gh_callback_event (m_handle, "callback");
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154 }
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2e7cad6f180c Initial integration of QtHandles.
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155
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156 };