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annotate libgui/graphics/ObjectProxy.cc @ 19715:35bca657d74d

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printing for Qt plot widget (bug #42537) * Backend.h, Backend.cc (Backend::print_figure): New function. * Canvas.h, Canvas.cc (Canvas::print): New function. * Figure.h, Figure.cc (Figure:print): New function. * Object.h, Object.cc (Object::slotPrint, Object::print): New functions. * ObjectProxy.h, ObjectProxy.cc (ObjectProxy::print): New function. (ObjectProxy::sendPrint): New signal. (ObjectProxy::init): Connect sendPrint signal to slotPrint slot of current object.
author John W. Eaton <jwe@octave.org>
date Sun, 08 Feb 2015 16:25:06 -0500
parents fe0e34be5576
children 3cc0734283dc
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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 <QString>
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28
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29 #include "oct-mutex.h"
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30
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31 #include "Object.h"
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32 #include "ObjectProxy.h"
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33
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34 namespace QtHandles
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35 {
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36
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37 ObjectProxy::ObjectProxy (Object* obj)
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38 : QObject (), m_object (0)
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39 {
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40 init (obj);
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41 }
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42
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43 void ObjectProxy::init (Object* obj)
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44 {
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45 if (obj != m_object)
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46 {
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47 if (m_object)
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48 {
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49 disconnect (this, SIGNAL (sendUpdate (int)),
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50 m_object, SLOT (slotUpdate (int)));
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51 disconnect (this, SIGNAL (sendFinalize (void)),
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52 m_object, SLOT (slotFinalize (void)));
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53 disconnect (this, SIGNAL (sendRedraw (void)),
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54 m_object, SLOT (slotRedraw (void)));
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55 disconnect (this, SIGNAL (sendPrint (const QString&, const QString&)),
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56 m_object, SLOT (slotPrint (const QString&, const QString&)));
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57 }
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58
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59 m_object = obj;
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60
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61 if (m_object)
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62 {
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63 connect (this, SIGNAL (sendUpdate (int)),
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64 m_object, SLOT (slotUpdate (int)));
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65 connect (this, SIGNAL (sendFinalize (void)),
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66 m_object, SLOT (slotFinalize (void)));
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67 connect (this, SIGNAL (sendRedraw (void)),
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68 m_object, SLOT (slotRedraw (void)));
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69 connect (this, SIGNAL (sendPrint (const QString&, const QString&)),
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70 m_object, SLOT (slotPrint (const QString&, const QString&)));
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71 }
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72 }
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73 }
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74
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75 void ObjectProxy::setObject (Object* obj)
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76 {
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77 emit sendFinalize ();
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78 init (obj);
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79 }
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80
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81 void ObjectProxy::update (int pId)
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82 {
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83 if (octave_thread::is_octave_thread ())
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84 emit sendUpdate (pId);
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85 else
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86 m_object->slotUpdate (pId);
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87 }
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88
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89 void ObjectProxy::finalize (void)
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90 {
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91 emit sendFinalize ();
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92 init (0);
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93 }
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94
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95 void ObjectProxy::redraw (void)
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96 {
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97 emit sendRedraw ();
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98 }
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99
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100 void ObjectProxy::print (const QString& file_cmd, const QString& term)
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101 {
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102 emit sendPrint (file_cmd, term);
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103 }
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104
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105 };