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annotate libgui/graphics/ContextMenu.cc @ 31707:5f11de0e7440

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maint: Merge stable to default.
author John W. Eaton <jwe@octave.org>
date Fri, 06 Jan 2023 13:12:14 -0500
parents deb553ac2c54 597f3ee61a48
children 21f9b34eb893
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 2011-2023 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 <QMenu>
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31
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32 #include "ContextMenu.h"
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33 #include "QtHandlesUtils.h"
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34 #include "qt-graphics-toolkit.h"
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35
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36 #include "interpreter.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 ContextMenu *
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41 ContextMenu::create (octave::interpreter& interp, const graphics_object& go)
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42 {
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43 Object *xparent = parentObject (interp, go);
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44
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45 if (xparent)
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46 {
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47 QWidget *w = xparent->qWidget<QWidget> ();
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48
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49 return new ContextMenu (interp, go, new QMenu (w));
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50 }
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51
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52 return nullptr;
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53 }
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54
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55 ContextMenu::ContextMenu (octave::interpreter& interp,
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56 const graphics_object& go, QMenu *xmenu)
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57 : Object (interp, go, xmenu)
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58 {
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59 xmenu->setAutoFillBackground (true);
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60
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61 connect (xmenu, &QMenu::aboutToShow, this, &ContextMenu::aboutToShow);
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62 connect (xmenu, &QMenu::aboutToHide, this, &ContextMenu::aboutToHide);
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63 }
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64
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65 ContextMenu::~ContextMenu (void)
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66 { }
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67
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68 void
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69 ContextMenu::update (int pId)
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70 {
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71 uicontextmenu::properties& up = properties<uicontextmenu> ();
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72 QMenu *xmenu = qWidget<QMenu> ();
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73
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74 switch (pId)
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75 {
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76 case base_properties::ID_VISIBLE:
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77 if (up.is_visible ())
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78 {
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79 Matrix pos = up.get_position ().matrix_value ();
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80 QWidget *parentW = xmenu->parentWidget ();
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81 QPoint pt;
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82
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83 pt.rx () = octave::math::round (pos(0));
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84 pt.ry () = parentW->height () - octave::math::round (pos(1));
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85 pt = parentW->mapToGlobal (pt);
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86
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87 xmenu->popup (pt);
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88 }
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89 else
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90 xmenu->hide ();
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91 break;
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92 default:
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93 Object::update (pId);
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94 break;
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95 }
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96 }
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97
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98 void
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99 ContextMenu::aboutToShow (void)
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100 {
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101 emit gh_callback_event (m_handle, "callback");
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102 emit gh_set_event (m_handle, "visible", "on", false);
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103 }
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104
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105 void
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106 ContextMenu::aboutToHide (void)
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107 {
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108 emit gh_set_event (m_handle, "visible", "off", false);
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109 }
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110
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111 QWidget *
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112 ContextMenu::menu (void)
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113 {
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114 return qWidget<QWidget> ();
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115 }
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116
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117 void
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118 ContextMenu::executeAt (octave::interpreter& interp,
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119 const base_properties& props, const QPoint& pt)
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120 {
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121 graphics_handle h = props.get_uicontextmenu ();
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122
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123 if (h.ok ())
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124 {
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125 gh_manager& gh_mgr = interp.get_gh_manager ();
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126 octave::autolock guard (gh_mgr.graphics_lock ());
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127
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128 graphics_object go = gh_mgr.get_object (h);
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129
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130 if (go.valid_object ())
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131 {
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132 ContextMenu *cMenu =
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133 dynamic_cast<ContextMenu *> (qt_graphics_toolkit::toolkitObject (go));
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134
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135 if (cMenu)
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136 {
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137 QMenu *menu = cMenu->qWidget<QMenu> ();
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138
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139 if (menu)
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140 menu->popup (pt);
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141 }
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142 }
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143 }
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144 }
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145
31646
c6d54dd31a7e maint: Use macros to begin/end C++ namespaces.
John W. Eaton <jwe@octave.org>
parents: 30564
diff changeset
146 OCTAVE_END_NAMESPACE(octave)