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annotate libgui/graphics/Container.cc @ 23084:ef4d915df748

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maint: Merge stable to default.
author John W. Eaton <jwe@octave.org>
date Mon, 23 Jan 2017 14:27:48 -0500
parents bef714f45999 e9a0469dedd9
children 092078913d54
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1 /*
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2
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3 Copyright (C) 2011-2016 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
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9 the Free Software Foundation; either version 3 of the License, or
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10 (at your 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
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13 WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 GNU General Public License 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 #if defined (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 <QChildEvent>
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28 #include <QVBoxLayout>
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29
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30 #include "graphics.h"
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31
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32 #include "Canvas.h"
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33 #include "Container.h"
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34 #include "Object.h"
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35 #include "QtHandlesUtils.h"
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36
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37 namespace QtHandles
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38 {
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39
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40 Container::Container (QWidget* xparent)
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41 : ContainerBase (xparent), m_canvas (0)
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42 {
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43 setFocusPolicy (Qt::ClickFocus);
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44 }
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45
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46 Container::~Container (void)
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47 { }
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48
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49 Canvas*
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50 Container::canvas (const graphics_handle& gh, bool xcreate)
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51 {
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52 if (! m_canvas && xcreate)
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53 {
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54 gh_manager::auto_lock lock;
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55 graphics_object go = gh_manager::get_object (gh);
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56
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57 if (go)
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58 {
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59 graphics_object fig = go.get_ancestor ("figure");
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60
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61 m_canvas = Canvas::create (fig.get ("renderer").string_value (),
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62 this, gh);
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63
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64 QWidget* canvasWidget = m_canvas->qWidget ();
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65
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66 canvasWidget->lower ();
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67 canvasWidget->show ();
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68 canvasWidget->setGeometry (0, 0, width (), height ());
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69 }
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70 }
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71
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72 return m_canvas;
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73 }
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74
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75 void
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76 Container::resizeEvent (QResizeEvent* /* event */)
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77 {
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78 if (m_canvas)
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79 m_canvas->qWidget ()->setGeometry (0, 0, width (), height ());
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80
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81 gh_manager::auto_lock lock;
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82
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83 foreach (QObject* qObj, children ())
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84 {
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85 if (qObj->isWidgetType ())
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86 {
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87 Object* obj = Object::fromQObject (qObj);
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88
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89 if (obj)
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90 {
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91 graphics_object go = obj->object ();
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92
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93 if (go.valid_object ())
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94 {
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95 Matrix bb = go.get_properties ().get_boundingbox (false);
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96
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97 obj->qWidget<QWidget> ()
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98 ->setGeometry (octave::math::round (bb(0)), octave::math::round (bb(1)),
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99 octave::math::round (bb(2)), octave::math::round (bb(3)));
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100 }
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101 }
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102 }
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103 }
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104 }
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105
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106 void
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107 Container::childEvent (QChildEvent* xevent)
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108 {
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109 if (xevent->child ()->isWidgetType ())
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110 qobject_cast<QWidget*> (xevent->child ())->setMouseTracking (
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111 hasMouseTracking ());
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112 }
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113
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114 }