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annotate src/viewer_swing/java/com/glavsoft/viewer/swing/Surface.java @ 0:4689cc86d6cb

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create TreeViewer2 Repository
author Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
date Tue, 03 Jul 2012 13:20:49 +0900
parents
children 3c072f2f39bb 17b702648079
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1 // Copyright (C) 2010, 2011 GlavSoft LLC.
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2 // All rights reserved.
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3 //
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4 //-------------------------------------------------------------------------
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5 // This file is part of the TightVNC software. Please visit our Web site:
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6 //
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7 // http://www.tightvnc.com/
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8 //
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9 // This program is free software; you can redistribute it and/or modify
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10 // it under the terms of the GNU General Public License as published by
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11 // the Free Software Foundation; either version 2 of the License, or
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12 // (at your option) any later version.
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13 //
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14 // This program is distributed in the hope that it will be useful,
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15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
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16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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17 // GNU General Public License for more details.
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18 //
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19 // You should have received a copy of the GNU General Public License along
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20 // with this program; if not, write to the Free Software Foundation, Inc.,
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21 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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22 //-------------------------------------------------------------------------
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23 //
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24
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25 package com.glavsoft.viewer.swing;
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26
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27 import com.glavsoft.core.SettingsChangedEvent;
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28 import com.glavsoft.drawing.Renderer;
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29 import com.glavsoft.rfb.IChangeSettingsListener;
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30 import com.glavsoft.rfb.IRepaintController;
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31 import com.glavsoft.rfb.encoding.PixelFormat;
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32 import com.glavsoft.rfb.encoding.decoder.FramebufferUpdateRectangle;
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33 import com.glavsoft.rfb.protocol.ProtocolContext;
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34 import com.glavsoft.rfb.protocol.ProtocolSettings;
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35 import com.glavsoft.transport.Reader;
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36 import com.glavsoft.viewer.Viewer;
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37
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38 import javax.swing.*;
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39 import java.awt.*;
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40
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41 @SuppressWarnings("serial")
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42 public class Surface extends JPanel implements IRepaintController, IChangeSettingsListener {
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43
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44 private int width;
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45 private int height;
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46 private SoftCursorImpl cursor;
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47 private RendererImpl renderer;
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48 private MouseEventListener mouseEventListener;
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49 private KeyEventListener keyEventListener;
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50 private boolean showCursor;
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51 private ModifierButtonEventListener modifierButtonListener;
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52 private boolean isUserInputEnabled = false;
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53 private final ProtocolContext context;
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54 private double scaleFactor;
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55 private final Viewer viewer;
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56
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57 @Override
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58 public boolean isDoubleBuffered() {
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59 // TODO returning false in some reason may speed ups drawing, but may
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60 // not. Needed in challenging.
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61 return false;
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62 }
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63
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64 public Surface(ProtocolContext context, Viewer viewer, double scaleFactor) {
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65 this.context = context;
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66 this.viewer = viewer;
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67 this.scaleFactor = scaleFactor;
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68 init(context.getFbWidth(), context.getFbHeight());
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69
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70 if ( ! context.getSettings().isViewOnly()) {
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71 setUserInputEnabled(true, context.getSettings().isConvertToAscii());
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72 }
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73 showCursor = context.getSettings().isShowRemoteCursor();
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74 }
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75
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76 private void setUserInputEnabled(boolean enable, boolean convertToAscii) {
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77 if (enable == isUserInputEnabled) return;
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78 isUserInputEnabled = enable;
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79 if (enable) {
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80 if (null == mouseEventListener) {
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81 mouseEventListener = new MouseEventListener(this, context, scaleFactor);
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82 }
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83 addMouseListener(mouseEventListener);
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84 addMouseMotionListener(mouseEventListener);
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85 addMouseWheelListener(mouseEventListener);
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86
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87 setFocusTraversalKeysEnabled(false);
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88 if (null == keyEventListener) {
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89 keyEventListener = new KeyEventListener(context);
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90 if (modifierButtonListener != null) {
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91 keyEventListener.addModifierListener(modifierButtonListener);
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92 }
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93 }
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94 keyEventListener.setConvertToAscii(convertToAscii);
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95 addKeyListener(keyEventListener);
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96 enableInputMethods(false);
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97 } else {
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98 removeMouseListener(mouseEventListener);
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99 removeMouseMotionListener(mouseEventListener);
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100 removeMouseWheelListener(mouseEventListener);
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101 removeKeyListener(keyEventListener);
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102 }
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103 }
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104
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105 @Override
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106 public Renderer createRenderer(Reader reader, int width, int height, PixelFormat pixelFormat) {
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107 renderer = new RendererImpl(reader, width, height, pixelFormat);
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108 synchronized (renderer) {
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109 cursor = renderer.getCursor();
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110 }
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111 init(renderer.getWidth(), renderer.getHeight());
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112 updateFrameSize();
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113 return renderer;
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114 }
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115
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116 private void init(int width, int height) {
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117 this.width = width;
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118 this.height = height;
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119 setSize(getPreferredSize());
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120 }
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121
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122 private void updateFrameSize() {
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123 setSize(getPreferredSize());
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124 viewer.packContainer();
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125 requestFocus();
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126 }
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127
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128 @Override
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129 public void paintComponent(Graphics g) {
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130 ((Graphics2D)g).scale(scaleFactor, scaleFactor);
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131 ((Graphics2D) g).setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
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132 synchronized (renderer) {
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133 Image offscreenImage = renderer.getOffscreenImage();
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134 if (offscreenImage != null) {
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135 g.drawImage(offscreenImage, 0, 0, null);
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136 }
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137 }
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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138 synchronized (cursor) {
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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139 Image cursorImage = cursor.getImage();
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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140 if (showCursor && cursorImage != null &&
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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141 (scaleFactor != 1 ||
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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142 g.getClipBounds().intersects(cursor.rX, cursor.rY, cursor.width, cursor.height))) {
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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143 g.drawImage(cursorImage, cursor.rX, cursor.rY, null);
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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144 }
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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145 }
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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146 }
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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147
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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148 @Override
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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149 public Dimension getPreferredSize() {
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
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150 return new Dimension((int)(this.width * scaleFactor), (int)(this.height * scaleFactor));
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parents:
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151 }
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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152
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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153 @Override
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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154 public Dimension getMinimumSize() {
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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155 return getPreferredSize();
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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156 }
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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157
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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158 @Override
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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159 public Dimension getMaximumSize() {
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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160 return getPreferredSize();
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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161 }
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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162
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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163 /**
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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164 * Saves context and simply invokes native JPanel repaint method which
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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165 * asyncroniously register repaint request using invokeLater to repaint be
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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166 * runned in Swing event dispatcher thread. So may be called from other
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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167 * threads.
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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168 */
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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169 @Override
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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170 public void repaintBitmap(FramebufferUpdateRectangle rect) {
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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171 repaintBitmap(rect.x, rect.y, rect.width, rect.height);
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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172 }
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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173
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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174 @Override
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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175 public void repaintBitmap(int x, int y, int width, int height) {
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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176 repaint((int)(x * scaleFactor), (int)(y * scaleFactor),
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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177 (int)Math.ceil(width * scaleFactor), (int)Math.ceil(height * scaleFactor));
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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178 }
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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179
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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180 @Override
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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181 public void repaintCursor() {
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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182 synchronized (cursor) {
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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183 repaint((int)(cursor.oldRX * scaleFactor), (int)(cursor.oldRY * scaleFactor),
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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184 (int)Math.ceil(cursor.oldWidth * scaleFactor) + 1, (int)Math.ceil(cursor.oldHeight * scaleFactor) + 1);
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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185 repaint((int)(cursor.rX * scaleFactor), (int)(cursor.rY * scaleFactor),
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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186 (int)Math.ceil(cursor.width * scaleFactor) + 1, (int)Math.ceil(cursor.height * scaleFactor) + 1);
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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187 }
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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188 }
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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189
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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190 @Override
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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191 public void updateCursorPosition(short x, short y) {
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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192 synchronized (cursor) {
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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193 cursor.updatePosition(x, y);
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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194 repaintCursor();
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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195 }
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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196 }
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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197
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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198 private void showCursor(boolean show) {
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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199 synchronized (cursor) {
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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200 showCursor = show;
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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201 }
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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202 }
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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203
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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204 public void addModifierListener(ModifierButtonEventListener modifierButtonListener) {
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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205 this.modifierButtonListener = modifierButtonListener;
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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206 if (keyEventListener != null) {
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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207 keyEventListener.addModifierListener(modifierButtonListener);
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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208 }
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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209 }
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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210
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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211 @Override
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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212 public void settingsChanged(SettingsChangedEvent e) {
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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213 if (ProtocolSettings.isRfbSettingsChangedFired(e)) {
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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214 ProtocolSettings settings = (ProtocolSettings) e.getSource();
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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215 setUserInputEnabled( ! settings.isViewOnly(), settings.isConvertToAscii());
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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216 showCursor(settings.isShowRemoteCursor());
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
217 } else if (UiSettings.isUiSettingsChangedFired(e)) {
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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218 UiSettings settings = (UiSettings) e.getSource();
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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219 scaleFactor = settings.getScaleFactor();
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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220 }
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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221 mouseEventListener.setScaleFactor(scaleFactor);
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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222 updateFrameSize();
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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223 }
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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224
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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225 @Override
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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226 public void setPixelFormat(PixelFormat pixelFormat) {
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
227 if (renderer != null) {
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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228 renderer.initPixelFormat(pixelFormat);
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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229 }
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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230 }
4689cc86d6cb create TreeViewer2 Repository
Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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231
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Yu Taninari <you@cr.ie.u-ryukyu.ac.jp>
parents:
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232 }