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comparison src/viewer_swing/java/com/glavsoft/viewer/swing/Utils.java @ 52:472a9bcacb21 draft default tip

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TightVNC 2.7.1.0
author you@cr.ie.u-ryukyu.ac.jp
date Wed, 07 Aug 2013 19:01:17 +0900
parents 4689cc86d6cb
children
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0:4689cc86d6cb 52:472a9bcacb21
1 // Copyright (C) 2010, 2011 GlavSoft LLC. 1 // Copyright (C) 2010, 2011, 2012, 2013 GlavSoft LLC.
2 // All rights reserved. 2 // All rights reserved.
3 // 3 //
4 //------------------------------------------------------------------------- 4 //-------------------------------------------------------------------------
5 // This file is part of the TightVNC software. Please visit our Web site: 5 // This file is part of the TightVNC software. Please visit our Web site:
6 // 6 //
22 //------------------------------------------------------------------------- 22 //-------------------------------------------------------------------------
23 // 23 //
24 24
25 package com.glavsoft.viewer.swing; 25 package com.glavsoft.viewer.swing;
26 26
27 import java.awt.Image; 27 import javax.swing.*;
28 import java.awt.Toolkit; 28 import java.awt.*;
29 import java.awt.image.ImageObserver;
29 import java.net.URL; 30 import java.net.URL;
31 import java.util.HashMap;
30 import java.util.LinkedList; 32 import java.util.LinkedList;
31 import java.util.List; 33 import java.util.List;
32 34 import java.util.Map;
33 import javax.swing.ImageIcon; 35 import java.util.concurrent.CountDownLatch;
36 import java.util.concurrent.TimeUnit;
34 37
35 /** 38 /**
36 * Utils for Swing GUI 39 * Utils for Swing GUI
37 */ 40 */
38 public class Utils { 41 public class Utils {
39 private static List<Image> icons; 42 private static List<Image> icons;
40 43
41 /** 44 private static List<Image> getApplicationIcons() {
42 * Get application icons
43 *
44 * @return icons list
45 */
46 public static List<Image> getIcons() {
47 if (icons != null) { 45 if (icons != null) {
48 return icons; 46 return icons;
49 } 47 }
50 icons = new LinkedList<Image>(); 48 icons = new LinkedList<Image>();
51 URL resource = Utils.class.getResource("/com/glavsoft/viewer/images/tightvnc-logo-16x16.png"); 49 URL resource = Utils.class.getResource("/com/glavsoft/viewer/images/tightvnc-logo-16x16.png");
67 65
68 public static ImageIcon getButtonIcon(String name) { 66 public static ImageIcon getButtonIcon(String name) {
69 URL resource = Utils.class.getResource("/com/glavsoft/viewer/images/button-"+name+".png"); 67 URL resource = Utils.class.getResource("/com/glavsoft/viewer/images/button-"+name+".png");
70 return resource != null ? new ImageIcon(resource) : null; 68 return resource != null ? new ImageIcon(resource) : null;
71 } 69 }
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 }
72 } 136 }