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annotate libgui/graphics/ContextMenu.cc @ 19650:709f3a77685d gui-release

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avoid shadowed variable warnings in libgui sources * BaseControl.cc, BaseControl.h, Container.cc, ContextMenu.cc, Figure.cc, FigureWindow.cc, GLCanvas.cc, GenericEventNotify.h, Menu.cc, MouseModeActionGroup.cc, Panel.cc, TextEdit.cc, TextEdit.h, ToolBar.cc: Rename local variables to avoid shadowing class members or functions.
author John W. Eaton <jwe@octave.org>
date Fri, 23 Jan 2015 14:53:10 -0500
parents 92f91183630b
children af0399a5aae0
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /*
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2
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3 Copyright (C) 2011-2014 Michael Goffioul
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4
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5 This file is part of Octave.
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6
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7 Octave is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 3 of the License, or (at your
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10 option) any later version.
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11
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12 Octave is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with Octave; see the file COPYING. If not, see
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19 <http://www.gnu.org/licenses/>.
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20
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21 */
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22
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23 #ifdef HAVE_CONFIG_H
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24 #include <config.h>
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25 #endif
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26
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27 #include <QMenu>
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28
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29 #include "Backend.h"
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30 #include "ContextMenu.h"
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31 #include "QtHandlesUtils.h"
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32
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33 namespace QtHandles
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34 {
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35
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36 ContextMenu* ContextMenu::create (const graphics_object& go)
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37 {
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38 Object* parent = Object::parentObject (go);
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39
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40 if (parent)
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41 {
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42 QWidget* w = parent->qWidget<QWidget> ();
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43
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44 return new ContextMenu (go, new QMenu (w));
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45 }
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46
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47 return 0;
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48 }
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49
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50 ContextMenu::ContextMenu (const graphics_object& go, QMenu* xmenu)
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51 : Object (go, xmenu)
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52 {
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53 xmenu->setAutoFillBackground (true);
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54
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55 connect (xmenu, SIGNAL (aboutToShow (void)), SLOT (aboutToShow (void)));
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56 connect (xmenu, SIGNAL (aboutToHide (void)), SLOT (aboutToHide (void)));
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57 }
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58
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59 ContextMenu::~ContextMenu (void)
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60 {
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61 }
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62
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63 void ContextMenu::update (int pId)
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64 {
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65 uicontextmenu::properties& up = properties<uicontextmenu> ();
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66 QMenu* xmenu = qWidget<QMenu> ();
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67
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68 switch (pId)
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69 {
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70 case base_properties::ID_VISIBLE:
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71 if (up.is_visible ())
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72 {
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73 Matrix pos = up.get_position ().matrix_value ();
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74 QWidget* parentW = xmenu->parentWidget ();
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75 QPoint pt;
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76
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77 pt.rx () = xround (pos(0));
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78 pt.ry () = parentW->height () - xround (pos(1));
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79 pt = parentW->mapToGlobal (pt);
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80
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81 xmenu->popup (pt);
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82 }
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83 else
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84 xmenu->hide ();
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85 break;
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86 default:
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87 Object::update (pId);
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88 break;
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89 }
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90 }
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91
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92 void ContextMenu::aboutToShow (void)
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93 {
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94 gh_manager::post_callback (m_handle, "callback");
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95 gh_manager::post_set (m_handle, "visible", "on", false);
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96 }
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97
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98 void ContextMenu::aboutToHide (void)
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99 {
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100 gh_manager::post_set (m_handle, "visible", "off", false);
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101 }
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102
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103 QWidget* ContextMenu::menu (void)
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104 {
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105 return qWidget<QWidget> ();
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106 }
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107
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108 void ContextMenu::executeAt (const base_properties& props, const QPoint& pt)
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109 {
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110 graphics_handle h = props.get_uicontextmenu ();
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111
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112 if (h.ok ())
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113 {
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114 graphics_object go = gh_manager::get_object (h);
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115
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116 if (go.valid_object ())
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117 {
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118 ContextMenu* cMenu =
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119 dynamic_cast<ContextMenu*> (Backend::toolkitObject (go));
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120
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121 if (cMenu)
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122 {
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123 QMenu* menu = cMenu->qWidget<QMenu> ();
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124
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125 if (menu)
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126 menu->popup (pt);
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127 }
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128 }
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129 }
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130 }
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131
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132 }; // namespace QtHandles