Mercurial > hg > Applications > TightVNC_orginal
annotate src/viewer_swing/java/com/glavsoft/viewer/swing/Utils.java @ 52:472a9bcacb21 draft default tip
TightVNC 2.7.1.0
author | you@cr.ie.u-ryukyu.ac.jp |
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date | Wed, 07 Aug 2013 19:01:17 +0900 |
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52 | 1 // Copyright (C) 2010, 2011, 2012, 2013 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 |
52 | 27 import javax.swing.*; |
28 import java.awt.*; | |
29 import java.awt.image.ImageObserver; | |
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30 import java.net.URL; |
52 | 31 import java.util.HashMap; |
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32 import java.util.LinkedList; |
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33 import java.util.List; |
52 | 34 import java.util.Map; |
35 import java.util.concurrent.CountDownLatch; | |
36 import java.util.concurrent.TimeUnit; | |
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37 |
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38 /** |
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39 * Utils for Swing GUI |
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40 */ |
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41 public class Utils { |
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42 private static List<Image> icons; |
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43 |
52 | 44 private static List<Image> getApplicationIcons() { |
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45 if (icons != null) { |
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46 return icons; |
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47 } |
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48 icons = new LinkedList<Image>(); |
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49 URL resource = Utils.class.getResource("/com/glavsoft/viewer/images/tightvnc-logo-16x16.png"); |
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50 Image image = resource != null ? |
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51 Toolkit.getDefaultToolkit().getImage(resource) : |
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52 null; |
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53 if (image != null) { |
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54 icons.add(image); |
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55 } |
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56 resource = Utils.class.getResource("/com/glavsoft/viewer/images/tightvnc-logo-32x32.png"); |
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57 image = resource != null ? |
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58 Toolkit.getDefaultToolkit().getImage(resource) : |
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59 null; |
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60 if (image != null) { |
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61 icons.add(image); |
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62 } |
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63 return icons; |
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64 } |
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65 |
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66 public static ImageIcon getButtonIcon(String name) { |
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67 URL resource = Utils.class.getResource("/com/glavsoft/viewer/images/button-"+name+".png"); |
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68 return resource != null ? new ImageIcon(resource) : null; |
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69 } |
52 | 70 |
71 private static Map<LocalMouseCursorShape, Cursor> cursorCash = new HashMap<LocalMouseCursorShape, Cursor>(); | |
72 public static Cursor getCursor(LocalMouseCursorShape cursorShape) { | |
73 Cursor cursor = cursorCash.get(cursorShape); | |
74 if (cursor != null) return cursor; | |
75 String name = cursorShape.getCursorName(); | |
76 URL resource = Utils.class.getResource("/com/glavsoft/viewer/images/cursor-"+name+".png"); | |
77 if (resource != null) { | |
78 Image image = Toolkit.getDefaultToolkit().getImage(resource); | |
79 if (image != null) { | |
80 final CountDownLatch done = new CountDownLatch(1); | |
81 image.getWidth(new ImageObserver() { | |
82 @Override | |
83 public boolean imageUpdate(Image img, int infoflags, int x, int y, int width, int height) { | |
84 boolean isReady = (infoflags & (ALLBITS | ABORT)) != 0; | |
85 if (isReady) { | |
86 done.countDown(); | |
87 } | |
88 return ! isReady; | |
89 } | |
90 }); | |
91 try { | |
92 done.await(3, TimeUnit.SECONDS); | |
93 } catch (InterruptedException e) { | |
94 return Cursor.getDefaultCursor(); | |
95 } | |
96 int w = image.getWidth(null); | |
97 int h = image.getHeight(null); | |
98 if (w < 0 || h < 0) return Cursor.getDefaultCursor(); | |
99 w = (int)((w-0.5) / 2); | |
100 h = (int)((h-0.5) / 2); | |
101 cursor = Toolkit.getDefaultToolkit().createCustomCursor( | |
102 image, new Point(w > 0 ? w: 0, h > 0 ? h : 0), name); | |
103 if (cursor != null) cursorCash.put(cursorShape, cursor); | |
104 } | |
105 } | |
106 return cursor != null ? cursor : Cursor.getDefaultCursor(); | |
107 } | |
108 | |
109 public static void decorateDialog(Window dialog) { | |
110 try { | |
111 dialog.setAlwaysOnTop(true); | |
112 } catch (SecurityException e) { | |
113 // nop | |
114 } | |
115 dialog.pack(); | |
116 if (dialog instanceof JDialog) { | |
117 ((JDialog)dialog).setModalityType(Dialog.ModalityType.APPLICATION_MODAL); | |
118 } | |
119 dialog.toFront(); | |
120 Utils.setApplicationIconsForWindow(dialog); | |
121 } | |
122 | |
123 public static void setApplicationIconsForWindow(Window window) { | |
124 List<Image> icons = getApplicationIcons(); | |
125 if (icons.size() != 0) { | |
126 window.setIconImages(icons); | |
127 } | |
128 } | |
129 | |
130 public static void centerWindow(Window window) { | |
131 Point locationPoint = GraphicsEnvironment.getLocalGraphicsEnvironment().getCenterPoint(); | |
132 Rectangle bounds = window.getBounds(); | |
133 locationPoint.setLocation(locationPoint.x - bounds.width/2, locationPoint.y - bounds.height/2); | |
134 window.setLocation(locationPoint); | |
135 } | |
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136 } |