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annotate libgui/graphics/BaseControl.cc @ 18569:523878f76518 gui-release

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style fix: eliminate lines of slashes to separate functions.
author John W. Eaton <jwe@octave.org>
date Thu, 20 Feb 2014 15:10:07 -0500
parents 49877d3be064
children fb96b7f55242
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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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 <QEvent>
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28 #include <QKeyEvent>
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29 #include <QMouseEvent>
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30 #include <QWidget>
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31
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32 #include "BaseControl.h"
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33 #include "ContextMenu.h"
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34 #include "Utils.h"
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35
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36 namespace QtHandles
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37 {
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38
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39 static void updatePalette (const uicontrol::properties& props, QWidget* w)
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40 {
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41 QPalette p = w->palette ();
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42
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43 if (props.style_is ("edit")
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44 || props.style_is ("listbox")
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45 || props.style_is ("popupmenu"))
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46 {
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47 p.setColor (QPalette::Base,
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48 Utils::fromRgb (props.get_backgroundcolor_rgb ()));
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49 p.setColor (QPalette::Text,
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50 Utils::fromRgb (props.get_foregroundcolor_rgb ()));
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51 }
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52 else if (props.style_is ("pushbutton")
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53 || props.style_is ("togglebutton"))
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54 {
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55 p.setColor (QPalette::Button,
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56 Utils::fromRgb (props.get_backgroundcolor_rgb ()));
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57 p.setColor (QPalette::ButtonText,
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58 Utils::fromRgb (props.get_foregroundcolor_rgb ()));
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59 }
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60 else
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61 {
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62 p.setColor (QPalette::Window,
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63 Utils::fromRgb (props.get_backgroundcolor_rgb ()));
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64 p.setColor (QPalette::WindowText,
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65 Utils::fromRgb (props.get_foregroundcolor_rgb ()));
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66 }
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67
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68 w->setPalette (p);
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69 }
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70
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71 BaseControl::BaseControl (const graphics_object& go, QWidget* w)
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72 : Object (go, w), m_normalizedFont (false), m_keyPressHandlerDefined (false)
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73 {
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74 init (w);
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75 }
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76
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77 void BaseControl::init (QWidget* w, bool callBase)
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78 {
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79 if (callBase)
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80 Object::init (w, callBase);
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81
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82 uicontrol::properties& up = properties<uicontrol> ();
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83
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84 Matrix bb = up.get_boundingbox (false);
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85 w->setGeometry (xround (bb(0)), xround (bb(1)),
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86 xround (bb(2)), xround (bb(3)));
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87 w->setFont (Utils::computeFont<uicontrol> (up, bb(3)));
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88 updatePalette (up, w);
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89 w->setEnabled (up.enable_is ("on"));
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90 w->setToolTip (Utils::fromStdString (up.get_tooltipstring ()));
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91 w->setVisible (up.is_visible ());
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92 m_keyPressHandlerDefined = ! up.get_keypressfcn ().is_empty ();
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93
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94 w->installEventFilter (this);
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95
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96 m_normalizedFont = up.fontunits_is ("normalized");
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97 }
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98
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99 BaseControl::~BaseControl (void)
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100 {
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101 }
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102
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103 void BaseControl::update (int pId)
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104 {
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105 uicontrol::properties& up = properties<uicontrol> ();
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106 QWidget* w = qWidget<QWidget> ();
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107
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108 switch (pId)
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109 {
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110 case uicontrol::properties::ID_POSITION:
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111 {
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112 Matrix bb = up.get_boundingbox (false);
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113 w->setGeometry (xround (bb(0)), xround (bb(1)),
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114 xround (bb(2)), xround (bb(3)));
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115 }
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116 break;
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117 case uicontrol::properties::ID_FONTNAME:
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118 case uicontrol::properties::ID_FONTSIZE:
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119 case uicontrol::properties::ID_FONTWEIGHT:
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120 case uicontrol::properties::ID_FONTANGLE:
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121 w->setFont (Utils::computeFont<uicontrol> (up));
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122 break;
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123 case uicontrol::properties::ID_FONTUNITS:
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124 // FIXME: We shouldn't have to do anything, octave should update
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125 // the "fontsize" property automatically to the new units.
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126 // Hence the actual font used shouldn't change.
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127 m_normalizedFont = up.fontunits_is ("normalized");
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128 break;
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129 case uicontrol::properties::ID_BACKGROUNDCOLOR:
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130 case uicontrol::properties::ID_FOREGROUNDCOLOR:
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131 updatePalette (up, w);
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132 break;
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133 case uicontrol::properties::ID_ENABLE:
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134 w->setEnabled (up.enable_is ("on"));
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135 break;
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136 case uicontrol::properties::ID_TOOLTIPSTRING:
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137 w->setToolTip (Utils::fromStdString (up.get_tooltipstring ()));
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138 break;
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139 case base_properties::ID_VISIBLE:
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140 w->setVisible (up.is_visible ());
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141 break;
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142 case uicontrol::properties::ID_KEYPRESSFCN:
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143 m_keyPressHandlerDefined = ! up.get_keypressfcn ().is_empty ();
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144 break;
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145 default:
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146 break;
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147 }
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148 }
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149
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150 bool BaseControl::eventFilter (QObject* watched, QEvent* event)
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151 {
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152 switch (event->type ())
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153 {
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154 case QEvent::Resize:
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155 if (m_normalizedFont)
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156 {
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157 gh_manager::auto_lock lock;
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158
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159 qWidget<QWidget> ()->setFont (Utils::computeFont<uicontrol>
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160 (properties<uicontrol> ()));
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161 }
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162 break;
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163 case QEvent::MouseButtonPress:
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164 {
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165 gh_manager::auto_lock lock;
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166
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167 QMouseEvent* m = dynamic_cast<QMouseEvent*> (event);
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168 graphics_object go = object ();
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169 uicontrol::properties& up = Utils::properties<uicontrol> (go);
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170 graphics_object fig = go.get_ancestor ("figure");
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171
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172 if (m->button () != Qt::LeftButton
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173 || ! up.enable_is ("on"))
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174 {
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175 gh_manager::post_set (fig.get_handle (), "selectiontype",
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176 Utils::figureSelectionType (m), false);
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177 gh_manager::post_set (fig.get_handle (), "currentpoint",
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178 Utils::figureCurrentPoint (fig, m),
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179 false);
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180 gh_manager::post_callback (fig.get_handle (),
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181 "windowbuttondownfcn");
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182 gh_manager::post_callback (m_handle, "buttondownfcn");
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183
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184 if (m->button () == Qt::RightButton)
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185 ContextMenu::executeAt (up, m->globalPos ());
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186 }
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187 else
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188 {
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189 if (up.style_is ("listbox"))
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190 gh_manager::post_set (fig.get_handle (), "selectiontype",
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191 Utils::figureSelectionType (m), false);
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192 else
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193 gh_manager::post_set (fig.get_handle (), "selectiontype",
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194 octave_value ("normal"), false);
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195 }
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196 }
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197 break;
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198 case QEvent::KeyPress:
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199 if (m_keyPressHandlerDefined)
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200 {
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201 gh_manager::auto_lock lock;
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202
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203 octave_scalar_map keyData =
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204 Utils::makeKeyEventStruct (dynamic_cast<QKeyEvent*> (event));
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205 graphics_object fig = object ().get_ancestor ("figure");
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206
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207 gh_manager::post_set (fig.get_handle (), "currentcharacter",
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208 keyData.getfield ("Character"), false);
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209 gh_manager::post_callback (m_handle, "keypressfcn", keyData);
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210 }
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211 break;
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212 default: break;
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213 }
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214
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215 return Object::eventFilter (watched, event);
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216 }
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217
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218 }; // namespace QtHandles