Mercurial > octave

annotate libgui/graphics/GLCanvas.cc @ 23449:c763214a8260

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maint: Use convention 'int *x' for naming pointers. * mycell.c, myfeval.c, mypow2.c, myprop.c, myset.c, mystruct.c, Backend.cc, Backend.h, BaseControl.cc, BaseControl.h, ButtonControl.cc, ButtonControl.h, ButtonGroup.cc, ButtonGroup.h, Canvas.cc, Canvas.h, CheckBoxControl.cc, CheckBoxControl.h, Container.cc, Container.h, ContextMenu.cc, ContextMenu.h, EditControl.cc, EditControl.h, Figure.cc, Figure.h, FigureWindow.cc, FigureWindow.h, GLCanvas.cc, GLCanvas.h, GenericEventNotify.h, ListBoxControl.cc, ListBoxControl.h, Logger.cc, Logger.h, Menu.cc, Menu.h, MenuContainer.h, MouseModeActionGroup.cc, MouseModeActionGroup.h, Object.cc, Object.h, ObjectFactory.cc, ObjectFactory.h, ObjectProxy.cc, ObjectProxy.h, Panel.cc, Panel.h, PopupMenuControl.cc, PopupMenuControl.h, PushButtonControl.cc, PushButtonControl.h, PushTool.cc, PushTool.h, QtHandlesUtils.cc, QtHandlesUtils.h, RadioButtonControl.cc, RadioButtonControl.h, SliderControl.cc, SliderControl.h, TextControl.cc, TextControl.h, TextEdit.cc, TextEdit.h, ToggleButtonControl.cc, ToggleButtonControl.h, ToggleTool.cc, ToggleTool.h, ToolBar.cc, ToolBar.h, ToolBarButton.cc, ToolBarButton.h, color-picker.cc, file-editor-tab.cc, file-editor.cc, file-editor.h, find-dialog.cc, find-dialog.h, octave-qscintilla.cc, main-window.cc, main-window.h, octave-cmd.cc, octave-dock-widget.cc, parser.cc, shortcut-manager.cc, workspace-view.cc, __ichol__.cc, __ilu__.cc, __magick_read__.cc, c-file-ptr-stream.cc, c-file-ptr-stream.h, cellfun.cc, data.cc, gl2ps-print.cc, graphics.cc, graphics.in.h, ls-hdf5.cc, ls-hdf5.h, ls-mat5.cc, mex.h, oct-map.cc, oct-map.h, oct-stream.cc, octave-link.cc, profiler.cc, profiler.h, psi.cc, qz.cc, sighandlers.cc, symtab.h, txt-eng.h, zfstream.cc, zfstream.h, __init_fltk__.cc, audiodevinfo.cc, gzip.cc, ov-class.cc, ov-classdef.cc, ov-classdef.h, ov-dld-fcn.h, ov-fcn-inline.cc, ov-java.cc, ov-java.h, ov.cc, pt-arg-list.cc, pt-array-list.cc, pt-bp.cc, pt-check.cc, pt-classdef.h, pt-decl.cc, pt-eval.cc, pt-idx.cc, pt-idx.h, pt-jit.cc, pt-misc.cc, pt-pr-code.cc, pt-select.cc, pt-stmt.cc, Array.cc, Array.h, CMatrix.cc, MSparse.cc, Sparse.h, dMatrix.cc, dim-vector.h, fCMatrix.cc, fMatrix.cc, CollocWt.cc, bsxfun-defs.cc, eigs-base.cc, gsvd.cc, gsvd.h, lo-lapack-proto.h, oct-norm.cc, randmtzig.cc, svd.cc, svd.h, mx-inlines.cc, oct-binmap.h, oct-sort.cc, oct-sort.h, oct-string.cc, oct-string.h, sparse-sort.cc, sparse-sort.h: Use convention 'int *x' for naming pointers.
author Rik <rik@octave.org>
date Thu, 27 Apr 2017 15:18:20 -0700
parents 092078913d54
children 2aab625b502c
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rev   line source
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1 /*
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2
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3 Copyright (C) 2011-2017 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 "gl-render.h"
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28 #include "graphics.h"
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29
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30 #include "GLCanvas.h"
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31 #include "gl-select.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 GLCanvas::GLCanvas (QWidget *xparent, const graphics_handle& gh)
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37 #if defined (Q_OS_WIN32)
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38 : QGLWidget (QGLFormat (QGL::SampleBuffers | QGL::AlphaChannel |
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39 QGL::IndirectRendering),
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40 xparent),
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41 Canvas (gh)
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42 #else
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43 : QGLWidget (QGLFormat (QGL::SampleBuffers | QGL::AlphaChannel),
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44 xparent),
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45 Canvas (gh)
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46 #endif
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47 {
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48 setFocusPolicy (Qt::ClickFocus);
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49 setFocus ();
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50 }
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51
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52 GLCanvas::~GLCanvas (void)
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53 { }
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54
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55 void
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56 GLCanvas::draw (const graphics_handle& gh)
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57 {
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58 gh_manager::auto_lock lock;
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59 graphics_object go = gh_manager::get_object (gh);
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60
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61 if (go)
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62 {
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63 octave::opengl_renderer r;
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64
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65 r.set_viewport (width (), height ());
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66 r.draw (go);
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67 }
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68 }
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69
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70 void
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71 GLCanvas::toggleAxes (const graphics_handle& gh)
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72 {
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73 canvasToggleAxes (gh);
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74 }
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75
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76 void
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77 GLCanvas::toggleGrid (const graphics_handle& gh)
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78 {
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79 canvasToggleGrid (gh);
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80 }
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81
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82 void
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83 GLCanvas::autoAxes (const graphics_handle& gh)
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84 {
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85 canvasAutoAxes (gh);
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86 }
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87
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88 graphics_object
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89 GLCanvas::selectFromAxes (const graphics_object& ax, const QPoint& pt)
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90 {
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91 makeCurrent ();
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92
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93 if (ax)
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94 {
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95 octave::opengl_selector s;
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96
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97 s.set_viewport (width (), height ());
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98 return s.select (ax, pt.x (), height () - pt.y ());
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99 }
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100
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101 return graphics_object ();
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102 }
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103
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104 inline void
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105 glDrawZoomBox (const QPoint& p1, const QPoint& p2)
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106 {
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107 glVertex2d (p1.x (), p1.y ());
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108 glVertex2d (p2.x (), p1.y ());
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109 glVertex2d (p2.x (), p2.y ());
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110 glVertex2d (p1.x (), p2.y ());
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111 glVertex2d (p1.x (), p1.y ());
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112 }
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114 void
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115 GLCanvas::drawZoomBox (const QPoint& p1, const QPoint& p2)
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116 {
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117 glMatrixMode (GL_MODELVIEW);
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118 glPushMatrix ();
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119 glLoadIdentity ();
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120
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121 glMatrixMode (GL_PROJECTION);
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122 glPushMatrix ();
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123 glLoadIdentity ();
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124 glOrtho (0, width (), height (), 0, 1, -1);
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125
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126 glPushAttrib (GL_DEPTH_BUFFER_BIT | GL_CURRENT_BIT);
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127 glDisable (GL_DEPTH_TEST);
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128
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129 glBegin (GL_POLYGON);
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130 glColor4f (0.45, 0.62, 0.81, 0.1);
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131 glDrawZoomBox (p1, p2);
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132 glEnd ();
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133
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134 glLineWidth (1.5);
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135 glBegin (GL_LINE_STRIP);
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136 glColor4f (0.45, 0.62, 0.81, 0.9);
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137 glDrawZoomBox (p1, p2);
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138 glEnd ();
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139
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140 glPopAttrib ();
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141
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142 glMatrixMode (GL_MODELVIEW);
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143 glPopMatrix ();
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144
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145 glMatrixMode (GL_PROJECTION);
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146 glPopMatrix ();
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147 }
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148
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149 void
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150 GLCanvas::paintGL (void)
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151 {
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152 canvasPaintEvent ();
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153 }
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154
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155 void
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156 GLCanvas::mouseDoubleClickEvent (QMouseEvent *xevent)
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157 {
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158 canvasMouseDoubleClickEvent (xevent);
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159 }
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160
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161 void
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162 GLCanvas::mouseMoveEvent (QMouseEvent *xevent)
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163 {
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164 canvasMouseMoveEvent (xevent);
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165 }
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166
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167 void
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168 GLCanvas::mousePressEvent (QMouseEvent *xevent)
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169 {
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170 canvasMousePressEvent (xevent);
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171 }
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172
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173 void
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174 GLCanvas::mouseReleaseEvent (QMouseEvent *xevent)
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175 {
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176 canvasMouseReleaseEvent (xevent);
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177 }
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178
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179 void
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180 GLCanvas::wheelEvent (QWheelEvent *xevent)
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181 {
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182 canvasWheelEvent (xevent);
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183 }
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184
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185 void
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186 GLCanvas::keyPressEvent (QKeyEvent *xevent)
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187 {
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188 if (! canvasKeyPressEvent (xevent))
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189 QGLWidget::keyPressEvent (xevent);
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190 }
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191
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192 void
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193 GLCanvas::keyReleaseEvent (QKeyEvent *xevent)
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194 {
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195 if (! canvasKeyReleaseEvent (xevent))
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196 QGLWidget::keyReleaseEvent (xevent);
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197 }
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198
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199 }