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1 package treeVnc;
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2 //
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3 // Copyright (C) 2006 Constantin Kaplinsky. All Rights Reserved.
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4 //
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5 // This is free software; you can redistribute it and/or modify
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6 // it under the terms of the GNU General Public License as published by
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7 // the Free Software Foundation; either version 2 of the License, or
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8 // (at your option) any later version.
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9 //
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10 // This software is distributed in the hope that it will be useful,
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11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 // GNU General Public License for more details.
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14 //
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15 // You should have received a copy of the GNU General Public License
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16 // along with this software; if not, write to the Free Software
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17 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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18 // USA.
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19 //
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20
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21 import java.awt.*;
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22 import java.io.*;
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23
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24 //
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25 // VncCanvas2 is a special version of VncCanvas which may use Java 2 API.
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26 //
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27
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28 class VncCanvas2 extends VncCanvas {
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29
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30 /**
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31 *
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32 */
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33 private static final long serialVersionUID = 1L;
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34
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35 public VncCanvas2(VncViewer v) throws IOException {
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36 super(v);
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37 disableFocusTraversalKeys();
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38 }
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39
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40 public VncCanvas2(VncViewer v, int maxWidth_, int maxHeight_)
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41 throws IOException {
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42
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43 super(v, maxWidth_, maxHeight_);
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44 disableFocusTraversalKeys();
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45 }
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46
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47 public void paintScaledFrameBuffer(Graphics g) {
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48 Graphics2D g2d = (Graphics2D)g;
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49 g2d.setRenderingHint(RenderingHints.KEY_RENDERING,
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50 RenderingHints.VALUE_RENDER_QUALITY);
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51 g2d.drawImage(memImage, 0, 0, scaledWidth, scaledHeight, null);
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52 }
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53
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54 //
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55 // Try to disable focus traversal keys (JVMs 1.4 and higher).
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56 //
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57
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58 private void disableFocusTraversalKeys() {
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59 try {
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60 Class[] argClasses = { Boolean.TYPE };
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61 java.lang.reflect.Method method =
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62 getClass().getMethod("setFocusTraversalKeysEnabled", argClasses);
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63 Object[] argObjects = { new Boolean(false) };
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64 method.invoke(this, argObjects);
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65 } catch (Exception e) {}
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66 }
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67
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68 }
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69
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