| /******************************************************************************* |
| * Copyright (c) 2000, 2012 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.swt.widgets; |
| |
| |
| import org.eclipse.swt.*; |
| import org.eclipse.swt.graphics.*; |
| import org.eclipse.swt.internal.cocoa.*; |
| |
| /** |
| * Instances of this class allow the user to select a color |
| * from a predefined set of available colors. |
| * <dl> |
| * <dt><b>Styles:</b></dt> |
| * <dd>(none)</dd> |
| * <dt><b>Events:</b></dt> |
| * <dd>(none)</dd> |
| * </dl> |
| * <p> |
| * IMPORTANT: This class is <em>not</em> intended to be subclassed. |
| * </p> |
| * |
| * @see <a href="http://www.eclipse.org/swt/examples.php">SWT Example: ControlExample, Dialog tab</a> |
| * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> |
| * @noextend This class is not intended to be subclassed by clients. |
| */ |
| public class ColorDialog extends Dialog { |
| RGB rgb; |
| RGB [] rgbs; |
| boolean selected; |
| |
| /** |
| * Constructs a new instance of this class given only its parent. |
| * |
| * @param parent a composite control which will be the parent of the new instance |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> |
| * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> |
| * </ul> |
| * |
| * @see SWT |
| * @see Widget#checkSubclass |
| * @see Widget#getStyle |
| */ |
| public ColorDialog(Shell parent) { |
| this(parent, SWT.APPLICATION_MODAL); |
| } |
| |
| /** |
| * Constructs a new instance of this class given its parent |
| * and a style value describing its behavior and appearance. |
| * <p> |
| * The style value is either one of the style constants defined in |
| * class <code>SWT</code> which is applicable to instances of this |
| * class, or must be built by <em>bitwise OR</em>'ing together |
| * (that is, using the <code>int</code> "|" operator) two or more |
| * of those <code>SWT</code> style constants. The class description |
| * lists the style constants that are applicable to the class. |
| * Style bits are also inherited from superclasses. |
| * </p> |
| * |
| * @param parent a composite control which will be the parent of the new instance (cannot be null) |
| * @param style the style of control to construct |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> |
| * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> |
| * </ul> |
| * |
| * @see SWT |
| * @see Widget#checkSubclass |
| * @see Widget#getStyle |
| */ |
| public ColorDialog(Shell parent, int style) { |
| super (parent, checkStyle (parent, style)); |
| checkSubclass (); |
| } |
| |
| void changeColor(long /*int*/ id, long /*int*/ sel, long /*int*/ sender) { |
| selected = true; |
| } |
| |
| /** |
| * Returns the currently selected color in the receiver. |
| * |
| * @return the RGB value for the selected color, may be null |
| * |
| * @see PaletteData#getRGBs |
| */ |
| public RGB getRGB() { |
| return rgb; |
| } |
| |
| /** |
| * Returns an array of <code>RGB</code>s which are the list of |
| * custom colors selected by the user in the receiver, or null |
| * if no custom colors were selected. |
| * |
| * @return the array of RGBs, which may be null |
| * |
| * @since 3.8 |
| */ |
| public RGB[] getRGBs() { |
| return rgbs; |
| } |
| |
| /** |
| * Makes the receiver visible and brings it to the front |
| * of the display. |
| * |
| * @return the selected color, or null if the dialog was |
| * cancelled, no color was selected, or an error |
| * occurred |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public RGB open() { |
| NSColorPanel panel = NSColorPanel.sharedColorPanel(); |
| Display display = parent != null ? parent.getDisplay() : Display.getCurrent(); |
| if (rgb != null) { |
| NSColor color = NSColor.colorWithDeviceRed(rgb.red / 255f, rgb.green / 255f, rgb.blue / 255f, 1); |
| panel.setColor(color); |
| } |
| NSString appName = Display.getApplicationName(); |
| NSColorList colorList = NSColorList.colorListNamed(appName); |
| if (colorList == null) { |
| colorList = (NSColorList)new NSColorList().alloc(); |
| colorList.initWithName(appName); |
| panel.attachColorList(colorList); |
| } else { |
| colorList.retain(); |
| } |
| if (rgbs != null) { |
| NSArray keys = colorList.allKeys(); |
| int length = (int)/*64*/keys.count(); |
| for (int i=length-1; i>=0; i--) { |
| colorList.removeColorWithKey(new NSString(keys.objectAtIndex(i))); |
| } |
| for (int i=0; i<rgbs.length; i++) { |
| RGB rgb = rgbs [i]; |
| if (rgb != null) { |
| NSColor color = NSColor.colorWithDeviceRed(rgb.red / 255f, rgb.green / 255f, rgb.blue / 255f, 1); |
| NSString key = appName; |
| if (i > 0) { |
| key = key.stringByAppendingString(NSString.stringWith(" "+i)); |
| } |
| colorList.insertColor(color, key, i); |
| } |
| } |
| } |
| SWTPanelDelegate delegate = (SWTPanelDelegate)new SWTPanelDelegate().alloc().init(); |
| long /*int*/ jniRef = OS.NewGlobalRef(this); |
| if (jniRef == 0) error(SWT.ERROR_NO_HANDLES); |
| OS.object_setInstanceVariable(delegate.id, Display.SWT_OBJECT, jniRef); |
| panel.setDelegate(delegate); |
| rgb = null; |
| selected = false; |
| panel.orderFront(null); |
| display.setModalDialog(this); |
| NSApplication.sharedApplication().runModalForWindow(panel); |
| display.setModalDialog(null); |
| panel.setDelegate(null); |
| delegate.release(); |
| OS.DeleteGlobalRef(jniRef); |
| if (selected) { |
| NSColor color = panel.color(); |
| if (color != null) { |
| double /*float*/ [] handle = display.getNSColorRGB(color); |
| if (handle != null) { |
| rgb = new RGB((int)(handle[0] * 255), (int)(handle[1] * 255), (int)(handle[2] * 255)); |
| } |
| } |
| } |
| NSArray keys = colorList.allKeys(); |
| int length = (int)/*64*/keys.count(); |
| rgbs = new RGB[length]; |
| for (int i=0; i<length; i++) { |
| NSString key = new NSString(keys.objectAtIndex(i)); |
| double /*float*/ [] handle = display.getNSColorRGB(colorList.colorWithKey(key)); |
| if (handle != null) { |
| rgbs[i] = new RGB((int)(handle[0] * 255), (int)(handle[1] * 255), (int)(handle[2] * 255)); |
| } |
| } |
| colorList.release(); |
| return rgb; |
| } |
| |
| /** |
| * Sets the receiver's selected color to be the argument. |
| * |
| * @param rgb the new RGB value for the selected color, may be |
| * null to let the platform select a default when |
| * open() is called |
| * @see PaletteData#getRGBs |
| */ |
| public void setRGB(RGB rgb) { |
| this.rgb = rgb; |
| } |
| |
| /** |
| * Sets the receiver's list of custom colors to be the given array |
| * of <code>RGB</code>s, which may be null to let the platform select |
| * a default when open() is called. |
| * |
| * @param rgbs the array of RGBs, which may be null |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_INVALID_ARGUMENT - if an RGB in the rgbs array is null</li> |
| * </ul> |
| * |
| * @since 3.8 |
| */ |
| public void setRGBs(RGB[] rgbs) { |
| this.rgbs = rgbs; |
| } |
| |
| void windowWillClose(long /*int*/ id, long /*int*/ sel, long /*int*/ sender) { |
| NSApplication.sharedApplication().stop(null); |
| } |
| } |