author | hgs |
Fri, 15 Oct 2010 12:29:39 +0300 | |
changeset 80 | d6dafc5d983f |
parent 21 | 2a9601315dfc |
permissions | -rw-r--r-- |
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/******************************************************************************* |
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* Copyright (c) 2000, 2007 IBM Corporation and others. |
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* Portion Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. This program and the accompanying materials |
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* are made available under the terms of the Eclipse Public License v1.0 |
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* which accompanies this distribution, and is available at |
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* http://www.eclipse.org/legal/epl-v10.html |
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* |
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* Contributors: |
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* IBM Corporation - initial API and implementation |
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* Nokia Corporation - Qt implementation |
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*******************************************************************************/ |
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package org.eclipse.swt.widgets; |
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|
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|
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import org.eclipse.swt.*; |
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import org.eclipse.swt.internal.qt.OS; |
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import org.eclipse.swt.events.DisposeEvent; |
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import org.eclipse.swt.events.DisposeListener; |
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import org.eclipse.swt.graphics.*; |
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|
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/** |
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* Instances of this class allow the user to select a color |
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* from a predefined set of available colors. |
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* <dl> |
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* <dt><b>Styles:</b></dt> |
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* <dd>(none)</dd> |
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* <dt><b>Events:</b></dt> |
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* <dd>(none)</dd> |
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* </dl> |
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* <p> |
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* IMPORTANT: This class is intended to be subclassed <em>only</em> |
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* within the SWT implementation. |
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* </p> |
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*/ |
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public class ColorDialog extends Dialog { |
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RGB rgb; |
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String dialogID; |
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static int dialogCount; |
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/** |
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* Constructs a new instance of this class given only its parent. |
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* |
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* @param parent a composite control which will be the parent of the new instance |
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* |
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* @exception IllegalArgumentException <ul> |
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* <li>ERROR_NULL_ARGUMENT - if the parent is null</li> |
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* </ul> |
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* @exception SWTException <ul> |
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* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> |
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* <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> |
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* </ul> |
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* |
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* @see SWT |
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* @see Widget#checkSubclass |
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* @see Widget#getStyle |
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*/ |
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public ColorDialog (Shell parent) { |
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this (parent, SWT.NONE); |
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dialogCount++; |
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dialogID = toString() + String.valueOf(dialogCount); |
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} |
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/** |
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* Constructs a new instance of this class given its parent |
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* and a style value describing its behavior and appearance. |
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* <p> |
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* The style value is either one of the style constants defined in |
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* class <code>SWT</code> which is applicable to instances of this |
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* class, or must be built by <em>bitwise OR</em>'ing together |
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* (that is, using the <code>int</code> "|" operator) two or more |
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* of those <code>SWT</code> style constants. The class description |
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* lists the style constants that are applicable to the class. |
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* Style bits are also inherited from superclasses. |
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* </p> |
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* |
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* @param parent a composite control which will be the parent of the new instance (cannot be null) |
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* @param style the style of control to construct |
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* |
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* @exception IllegalArgumentException <ul> |
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* <li>ERROR_NULL_ARGUMENT - if the parent is null</li> |
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* </ul> |
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* @exception SWTException <ul> |
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* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> |
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* <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> |
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* </ul> |
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* |
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* @see SWT |
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* @see Widget#checkSubclass |
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* @see Widget#getStyle |
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*/ |
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public ColorDialog (Shell parent, int style) { |
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super (parent, parent == null? style : checkStyle (parent, style)); |
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checkSubclass (); |
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dialogCount++; |
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dialogID = toString() + String.valueOf(dialogCount); |
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} |
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|
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/** |
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* Returns the currently selected color in the receiver. |
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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99 |
* |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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100 |
* @return the RGB value for the selected color, may be null |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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101 |
* |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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102 |
* @see PaletteData#getRGBs |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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103 |
*/ |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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104 |
public RGB getRGB () { |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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105 |
return rgb; |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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106 |
} |
80 | 107 |
|
21
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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108 |
/** |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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109 |
* Makes the receiver visible and brings it to the front |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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110 |
* of the display. |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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111 |
* |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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112 |
* @return the selected color, or null if the dialog was |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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113 |
* cancelled, no color was selected, or an error |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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114 |
* occurred |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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115 |
* |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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116 |
* @exception SWTException <ul> |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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117 |
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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118 |
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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119 |
* </ul> |
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Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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120 |
*/ |
80 | 121 |
public RGB open() { |
122 |
int r = 0; |
|
123 |
int g = 0; |
|
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int b = 0; |
|
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if (rgb != null) { |
|
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r = rgb.red; |
|
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g = rgb.green; |
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b = rgb.blue; |
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} |
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||
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DisposeListener listener = new DisposeListener() { |
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public void widgetDisposed(DisposeEvent e) { |
|
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if (e.widget == parent) { |
|
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// Close dialogs which are opened on top of parent. |
|
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OS.QDialog_swt_closeDialogs(parent.handle, dialogID); |
|
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} |
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} |
|
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}; |
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parent.addDisposeListener(listener); |
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||
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int newColorHandle = 0; |
|
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try { |
|
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// Open the dialog |
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newColorHandle = OS.QColorDialog_getColor(r, g, b, parent.handle, dialogID, |
|
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(style & SWT.RIGHT_TO_LEFT) != 0 ? OS.QT_RIGHTTOLEFT : OS.QT_LEFTTORIGHT); |
|
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} |
|
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finally { |
|
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if (parent != null && !parent.isDisposed()) { |
|
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parent.removeDisposeListener(listener); |
|
150 |
} |
|
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} |
|
152 |
||
153 |
if (newColorHandle == 0) { |
|
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return null; |
|
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} |
|
156 |
||
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try { |
|
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if (OS.QColor_isValid(newColorHandle)) { |
|
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int red = OS.QColor_red(newColorHandle); |
|
160 |
int blue = OS.QColor_blue(newColorHandle); |
|
161 |
int green = OS.QColor_green(newColorHandle); |
|
162 |
rgb = new RGB(red, green, blue); |
|
163 |
} |
|
164 |
} |
|
165 |
finally { |
|
166 |
OS.QColor_delete(newColorHandle); |
|
167 |
} |
|
168 |
||
169 |
return rgb; |
|
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Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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|
170 |
} |
80 | 171 |
|
21
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Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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|
172 |
/** |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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173 |
* Sets the receiver's selected color to be the argument. |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
174 |
* |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
175 |
* @param rgb the new RGB value for the selected color, may be |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
176 |
* null to let the platform select a default when |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
177 |
* open() is called |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
178 |
* @see PaletteData#getRGBs |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
179 |
*/ |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
180 |
public void setRGB (RGB rgb) { |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
181 |
this.rgb = rgb; |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
182 |
} |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
183 |
} |