Mercurial > projects > dwt2
annotate org.eclipse.swt.win32.win32.x86/src/org/eclipse/swt/custom/BusyIndicator.d @ 120:536e43f63c81
Comprehensive update for Win32/Linux32 dmd-2.053/dmd-1.068+Tango-r5661
===D2===
* added [Try]Immutable/Const/Shared templates to work with differenses in D1/D2 instead of version statements
used these templates to work with strict type storage rules of dmd-2.053
* com.ibm.icu now also compilable with D2, but not tested yet
* small fixes
Snippet288 - shared data is in TLS
===Phobos===
* fixed critical bugs in Phobos implemention
completely incorrect segfault prone fromStringz (Linux's port ruthless killer)
terrible, incorrect StringBuffer realization (StyledText killer)
* fixed small bugs as well
Snippet72 - misprint in the snippet
* implemented missed functionality for Phobos
ByteArrayOutputStream implemented (image loading available)
formatting correctly works for all DWT's cases
As a result, folowing snippets now works with Phobos (Snippet### - what is fixed):
Snippet24, 42, 111, 115, 130, 235, 276 - bad string formatting
Snippet48, 282 - crash on image loading
Snippet163, 189, 211, 213, 217, 218, 222 - crash on copy/cut in StyledText
Snippet244 - hang-up
===Tango===
* few changes for the latest Tango trunc-r5661
* few small performance improvments
===General===
* implMissing-s for only one version changed to implMissingInTango/InPhobos
* incorrect calls to Format in toString-s fixed
* fixed loading \uXXXX characters in ResourceBundle
* added good UTF-8 support for StyledText, TextLayout (Win32) and friends
UTF functions revised and tested. It is now in java.nonstandard.*Utf modules
StyledText and TextLayout (Win32) modules revised for UTF-8 support
* removed small diferences in most identical files in *.swt.* folders
*.swt.internal.image, *.swt.events and *.swt.custom are identical in Win32/Linux32
now 179 of 576 (~31%) files in *.swt.* folders are fully identical
* Win32: snippets now have right subsystem, pretty icons and native system style controls
* small fixes in snippets
Snippet44 - it's not Snippet44
Snippet212 - functions work with different images and offsets arrays
Win32: Snippet282 - crash on close if the button has an image
Snippet293 - setGrayed is commented
and others
Win32: As a result, folowing snippets now works
Snippet68 - color doesn't change
Snippet163, 189, 211, 213, 217, 218, 222 - UTF-8 issues (see above)
Snippet193 - no tabel headers
author | Denis Shelomovskij <verylonglogin.reg@gmail.com> |
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date | Sat, 09 Jul 2011 15:50:20 +0300 |
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1 /******************************************************************************* |
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2 * Copyright (c) 2000, 2008 IBM Corporation and others. |
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3 * All rights reserved. This program and the accompanying materials |
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4 * are made available under the terms of the Eclipse Public License v1.0 |
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5 * which accompanies this distribution, and is available at |
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6 * http://www.eclipse.org/legal/epl-v10.html |
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7 * |
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8 * Contributors: |
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9 * IBM Corporation - initial API and implementation |
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10 * Port to the D programming language: |
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11 * Frank Benoit <benoit@tionex.de> |
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12 *******************************************************************************/ |
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13 module org.eclipse.swt.custom.BusyIndicator; |
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14 |
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15 |
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16 |
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17 import org.eclipse.swt.SWT; |
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18 import org.eclipse.swt.graphics.Cursor; |
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19 import org.eclipse.swt.widgets.Display; |
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20 import org.eclipse.swt.widgets.Shell; |
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21 import java.lang.all; |
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22 |
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23 /** |
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24 * Support for showing a Busy Cursor during a long running process. |
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25 * |
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26 * @see <a href="http://www.eclipse.org/swt/snippets/#busyindicator">BusyIndicator snippets</a> |
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27 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> |
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28 */ |
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29 public class BusyIndicator { |
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30 |
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31 static int nextBusyId = 1; |
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32 static const String BUSYID_NAME = "SWT BusyIndicator"; //$NON-NLS-1$ |
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33 static const String BUSY_CURSOR = "SWT BusyIndicator Cursor"; //$NON-NLS-1$ |
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34 |
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35 /** |
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36 * Runs the given <code>Runnable</code> while providing |
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37 * busy feedback using this busy indicator. |
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38 * |
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39 * @param display the display on which the busy feedback should be |
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40 * displayed. If the display is null, the Display for the current |
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41 * thread will be used. If there is no Display for the current thread, |
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42 * the runnable code will be executed and no busy feedback will be displayed. |
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43 * @param runnable the runnable for which busy feedback is to be shown. |
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44 * Must not be null. |
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45 * |
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46 * @exception IllegalArgumentException <ul> |
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47 * <li>ERROR_NULL_ARGUMENT - if the runnable is null</li> |
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48 * </ul> |
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49 */ |
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50 |
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51 public static void showWhile(Display display, Runnable runnable) { |
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52 if (runnable is null) |
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53 SWT.error(SWT.ERROR_NULL_ARGUMENT); |
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54 if (display is null) { |
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55 display = Display.getCurrent(); |
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56 if (display is null) { |
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57 runnable.run(); |
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58 return; |
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59 } |
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60 } |
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61 |
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62 Integer busyId = new Integer(nextBusyId); |
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63 nextBusyId++; |
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64 Cursor cursor = display.getSystemCursor(SWT.CURSOR_WAIT); |
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65 Shell[] shells = display.getShells(); |
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66 for (int i = 0; i < shells.length; i++) { |
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67 Integer id = cast(Integer)shells[i].getData(BUSYID_NAME); |
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68 if (id is null) { |
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69 shells[i].setCursor(cursor); |
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70 shells[i].setData(BUSYID_NAME, busyId); |
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71 } |
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72 } |
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73 |
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74 try { |
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75 runnable.run(); |
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76 } finally { |
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77 shells = display.getShells(); |
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78 for (int i = 0; i < shells.length; i++) { |
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79 Integer id = cast(Integer)shells[i].getData(BUSYID_NAME); |
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80 if ( id !is null && id == busyId) { |
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81 shells[i].setCursor(null); |
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82 shells[i].setData(BUSYID_NAME, null); |
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83 } |
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84 } |
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85 } |
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86 } |
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87 } |