Mercurial > octave
annotate libgui/graphics/Menu.cc @ 30100:112e70370b71
*Menu.cc: do not use "_" prefix for local variables
author | Torsten Lilge <ttl-octave@mailbox.org> |
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date | Wed, 01 Sep 2021 21:55:57 +0200 |
parents | 6ea4a84df9c7 |
children | d4d83344d653 |
rev | line source |
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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 <QAction> |
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31 #include <QMainWindow> |
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32 #include <QMenu> |
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33 #include <QMenuBar> |
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34 |
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35 #include "Figure.h" |
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36 #include "Menu.h" |
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37 #include "QtHandlesUtils.h" |
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38 |
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39 #include "octave-qobject.h" |
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40 |
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41 namespace octave |
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42 { |
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43 |
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44 static QKeySequence |
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45 accelSequence (const uimenu::properties& up) |
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46 { |
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47 std::string s (up.get_accelerator ()); |
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48 |
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49 if (! s.empty ()) |
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50 { |
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51 char c = s[0]; |
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52 int keyMod = Qt::CTRL; |
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53 |
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54 if (c >= 'A' && c <= 'Z') |
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55 keyMod |= Qt::SHIFT; |
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56 if (c >= 'a' && c <= 'z') |
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57 c -= ('a' - 'A'); |
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58 if (c >= 'A' && c <= 'Z') |
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59 return QKeySequence (keyMod | static_cast<int> (c)); |
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60 } |
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61 |
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62 return QKeySequence (); |
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63 } |
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64 |
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65 Menu* |
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66 Menu::create (octave::base_qobject& oct_qobj, octave::interpreter& interp, |
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67 const graphics_object& go) |
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68 { |
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69 Object *parent_obj = parentObject (interp, go); |
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70 |
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71 if (parent_obj) |
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72 { |
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73 QObject *qObj = parent_obj->qObject (); |
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74 |
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75 if (qObj) |
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76 return new Menu (oct_qobj, interp, go, new QAction (qObj), |
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77 parent_obj); |
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78 } |
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79 |
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80 return nullptr; |
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81 } |
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82 |
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83 Menu::Menu (octave::base_qobject& oct_qobj, octave::interpreter& interp, |
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84 const graphics_object& go, QAction *action, Object *xparent) |
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85 : Object (oct_qobj, interp, go, action), m_parent (nullptr), |
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86 m_separator (nullptr) |
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87 { |
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88 uimenu::properties& up = properties<uimenu> (); |
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89 |
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90 action->setText (Utils::fromStdString (up.get_text ())); |
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91 |
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92 if (up.is_checked ()) |
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93 { |
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94 action->setCheckable (true); |
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95 action->setChecked (up.is_checked ()); |
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96 } |
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97 |
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98 action->setEnabled (up.is_enable ()); |
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99 action->setShortcut (accelSequence (up)); |
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100 action->setVisible (up.is_visible ()); |
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101 |
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102 if (up.is_separator ()) |
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103 { |
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104 m_separator = new QAction (action); |
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105 m_separator->setSeparator (true); |
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106 m_separator->setVisible (up.is_visible ()); |
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107 } |
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108 |
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109 MenuContainer *menuContainer = dynamic_cast<MenuContainer *> (xparent); |
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110 |
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111 if (menuContainer) |
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112 m_parent = menuContainer->menu (); |
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113 |
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114 if (m_parent) |
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115 { |
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116 int pos = static_cast<int> (up.get_position ()); |
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117 |
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118 if (pos <= 0) |
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119 { |
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120 if (m_separator) |
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121 m_parent->insertAction (nullptr, m_separator); |
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122 m_parent->insertAction (nullptr, action); |
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123 |
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124 int count = 0; |
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125 |
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126 for (auto *a : m_parent->actions ()) |
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127 if (! a->isSeparator ()) |
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128 count++; |
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129 |
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130 up.get_property ("position").set |
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131 (octave_value (static_cast<double> (count)), true, false); |
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132 } |
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133 else |
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134 { |
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135 |
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136 int count = 0; |
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137 QAction *before = nullptr; |
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138 |
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139 for (auto *a : m_parent->actions ()) |
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140 { |
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141 if (! a->isSeparator ()) |
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142 { |
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143 count++; |
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144 if (pos <= count) |
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145 { |
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146 before = a; |
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147 break; |
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148 } |
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149 } |
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150 } |
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151 |
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152 if (m_separator) |
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153 m_parent->insertAction (before, m_separator); |
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154 m_parent->insertAction (before, action); |
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155 |
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156 if (before) |
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157 updateSiblingPositions (); |
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158 else |
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159 up.get_property ("position").set |
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160 (octave_value (static_cast<double> (count+1)), true, false); |
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161 } |
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162 } |
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163 |
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164 connect (action, &QAction::triggered, this, &Menu::actionTriggered); |
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165 } |
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166 |
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167 Menu::~Menu (void) |
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168 { } |
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169 |
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170 void |
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171 Menu::update (int pId) |
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172 { |
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173 uimenu::properties& up = properties<uimenu> (); |
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174 QAction *action = qWidget<QAction> (); |
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175 |
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176 switch (pId) |
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177 { |
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178 case uimenu::properties::ID_TEXT: |
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179 action->setText (Utils::fromStdString (up.get_text ())); |
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180 break; |
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181 |
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182 case uimenu::properties::ID_CHECKED: |
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183 if (up.is_checked ()) |
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184 { |
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185 action->setCheckable (true); |
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186 action->setChecked (up.is_checked ()); |
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187 } |
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188 else |
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189 { |
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190 action->setChecked (false); |
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191 action->setCheckable (false); |
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192 } |
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193 break; |
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194 |
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195 case uimenu::properties::ID_ENABLE: |
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196 action->setEnabled (up.is_enable ()); |
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197 break; |
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198 |
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199 case uimenu::properties::ID_ACCELERATOR: |
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200 if (! action->menu ()) |
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201 action->setShortcut (accelSequence (up)); |
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202 break; |
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203 |
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204 case uimenu::properties::ID_SEPARATOR: |
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205 if (up.is_separator ()) |
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206 { |
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207 if (! m_separator) |
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208 { |
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209 m_separator = new QAction (action); |
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210 m_separator->setSeparator (true); |
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211 m_separator->setVisible (up.is_visible ()); |
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212 if (m_parent) |
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213 m_parent->insertAction (action, m_separator); |
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214 } |
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215 } |
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216 else |
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217 { |
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218 if (m_separator) |
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219 delete m_separator; |
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220 m_separator = nullptr; |
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221 } |
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222 break; |
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223 |
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224 case uimenu::properties::ID_VISIBLE: |
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225 action->setVisible (up.is_visible ()); |
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226 if (m_separator) |
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227 m_separator->setVisible (up.is_visible ()); |
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228 break; |
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229 |
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230 case uimenu::properties::ID_POSITION: |
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231 { |
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232 if (m_separator) |
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233 m_parent->removeAction (m_separator); |
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234 |
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235 m_parent->removeAction (action); |
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236 |
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237 int pos = static_cast<int> (up.get_position ()); |
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238 QAction *before = nullptr; |
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239 |
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240 if (pos > 0) |
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241 { |
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242 int count = 0; |
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243 |
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244 for (auto *a : m_parent->actions ()) |
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245 { |
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246 if (! a->isSeparator ()) |
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247 { |
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248 count++; |
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249 if (pos <= count) |
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250 { |
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251 before = a; |
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252 break; |
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253 } |
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254 } |
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255 } |
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256 } |
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257 |
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258 if (m_separator) |
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259 m_parent->insertAction (before, m_separator); |
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260 |
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261 m_parent->insertAction (before, action); |
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262 |
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263 updateSiblingPositions (); |
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264 } |
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265 break; |
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266 |
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267 default: |
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268 Object::update (pId); |
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269 break; |
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270 } |
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271 } |
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272 |
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273 QWidget* |
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274 Menu::menu (void) |
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275 { |
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276 QAction *action = qWidget<QAction> (); |
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277 QMenu *action_menu = action->menu (); |
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278 |
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279 if (! action_menu) |
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280 { |
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281 action_menu = new QMenu (action->parentWidget ()); |
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282 action->setMenu (action_menu); |
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283 action->setShortcut (QKeySequence ()); |
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284 connect (action_menu, &QMenu::aboutToShow, this, &Menu::actionHovered); |
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285 } |
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286 |
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287 return action_menu; |
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288 } |
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289 |
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290 void |
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291 Menu::actionTriggered (void) |
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292 { |
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293 QAction *action = qWidget<QAction> (); |
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294 |
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295 if (action->isCheckable ()) |
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296 action->setChecked (! action->isChecked ()); |
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297 emit gh_callback_event (m_handle, "callback"); |
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298 } |
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299 |
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300 void |
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301 Menu::actionHovered (void) |
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302 { |
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303 emit gh_callback_event (m_handle, "callback"); |
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304 } |
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305 |
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306 void |
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307 Menu::updateSiblingPositions (void) |
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308 { |
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309 if (m_parent) |
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310 { |
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311 double count = 1.0; |
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312 |
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313 for (auto *a : m_parent->actions ()) |
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314 { |
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315 if (! a->isSeparator ()) |
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316 { |
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317 Object *aObj = Object::fromQObject (a); |
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318 |
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319 if (aObj) |
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320 { |
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321 graphics_object go = aObj->object (); |
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322 |
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323 // Probably overkill as a uimenu child can only be another |
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324 // uimenu object. |
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325 if (go.isa ("uimenu")) |
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326 { |
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327 uimenu::properties& up = Utils::properties<uimenu> (go); |
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328 |
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329 up.get_property ("position").set |
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330 (octave_value (count), true, false); |
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331 } |
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332 } |
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333 |
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334 count++; |
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335 } |
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336 } |
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337 } |
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338 } |
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339 |
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340 } |