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annotate libgui/graphics/Container.cc @ 18612:9597e00ed2dd

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Add support for "windowbuttonmotionfcn" and "currentpoint" * Figure.cc (Figure::Figure): Enable mouse tracking if windowbuttonmotionfcn callback is defined. (Figure::update): Enable mouse tracking on canvas and all child widgets when windowbuttonmotionfcn is defined. * Panel.cc (Panel::Panel): Propagate mouse tracking to child widgets during initialization. * Container.h (Container::childEvent): New method. * Container.cc (Container::childEvent): Likewise. Propagate mouse tracking status to child widgets. * BaseControl.cc (BaseControl::eventFilter): Handle mouse move events and call figure's appropriate callback. * Canvas.h (Canvas::updateCurrentPoint): New method. * Canvas.cc (Canvas::updateCurrentPoint): Likewise. Update figure and child axes currentpoint property. (Canvas::canvasMouseMoveEvent): Update currentpoint properties and call windowbuttonmotionfcn callback. (Canvas::canvasMousePressEvent): Call updateCurrentPoint. (Canvas::canvasMouseReleaseEvent): Likewise.
author Michael Goffioul <michael.goffioul@gmail.com>
date Tue, 01 Apr 2014 20:57:08 -0400
parents fb96b7f55242
children fe0e34be5576
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 <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* parent)
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41 : ContainerBase (parent), 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
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50 Canvas* Container::canvas (const graphics_handle& handle, bool create)
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51 {
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52 if (! m_canvas && create)
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53 {
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54 graphics_object go = gh_manager::get_object (handle);
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55
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56 if (go)
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57 {
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58 graphics_object fig = go.get_ancestor ("figure");
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59
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60 m_canvas = Canvas::create (fig.get("renderer").string_value (),
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61 this, handle);
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62
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63 QWidget* canvasWidget = m_canvas->qWidget ();
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64
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65 canvasWidget->lower ();
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66 canvasWidget->show ();
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67 canvasWidget->setGeometry (0, 0, width (), height ());
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68 }
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69 }
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70
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71 return m_canvas;
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72 }
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73
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74 void Container::resizeEvent (QResizeEvent* /* event */)
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75 {
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76 if (m_canvas)
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77 m_canvas->qWidget ()->setGeometry (0, 0, width (), height ());
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78
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79 gh_manager::auto_lock lock;
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80
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81 foreach (QObject* qObj, children ())
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82 {
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83 if (qObj->isWidgetType ())
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84 {
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85 Object* obj = Object::fromQObject (qObj);
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86
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87 if (obj)
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88 {
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89 Matrix bb = obj->properties ().get_boundingbox (false);
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90
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91 obj->qWidget<QWidget> ()
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92 ->setGeometry (xround (bb(0)), xround (bb(1)),
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93 xround (bb(2)), xround (bb(3)));
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94 }
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95 }
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96 }
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97 }
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98
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99 void Container::childEvent (QChildEvent* event)
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100 {
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101 if (event->child ()->isWidgetType ())
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102 {
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103 qobject_cast<QWidget*> (event->child ())->setMouseTracking (hasMouseTracking ());
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104 }
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105 }
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106
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107 }; // namespace QtHandles