| /******************************************************************************* |
| * Copyright (c) 2000, 2011 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 font |
| * from all available fonts in the system. |
| * <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 FontDialog extends Dialog { |
| FontData fontData; |
| RGB rgb; |
| boolean selected; |
| int fontID, fontSize; |
| boolean effectsVisible = true; |
| |
| /** |
| * Constructs a new instance of this class given only its parent. |
| * |
| * @param parent a shell 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> |
| */ |
| public FontDialog (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 shell which will be the parent of the new instance |
| * @param style the style of dialog 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> |
| */ |
| public FontDialog (Shell parent, int style) { |
| super (parent, checkStyle (parent, style)); |
| checkSubclass (); |
| } |
| |
| void changeFont(long /*int*/ id, long /*int*/ sel, long /*int*/ arg0) { |
| selected = true; |
| } |
| |
| /** |
| * Returns <code>true</code> if the dialog's effects selection controls |
| * are visible, and <code>false</code> otherwise. |
| * <p> |
| * If the platform's font dialog does not have any effects selection controls, |
| * then this method always returns false. |
| * </p> |
| * |
| * @return <code>true</code> if the dialog's effects selection controls |
| * are visible and <code>false</code> otherwise |
| * |
| * @since 3.8 |
| */ |
| public boolean getEffectsVisible () { |
| return effectsVisible; |
| } |
| |
| /** |
| * Returns a FontData object describing the font that was |
| * selected in the dialog, or null if none is available. |
| * |
| * @return the FontData for the selected font, or null |
| * @deprecated use #getFontList () |
| */ |
| public FontData getFontData () { |
| return fontData; |
| } |
| |
| /** |
| * Returns a FontData set describing the font that was |
| * selected in the dialog, or null if none is available. |
| * |
| * @return the FontData for the selected font, or null |
| * @since 2.1.1 |
| */ |
| public FontData [] getFontList () { |
| if (fontData == null) return null; |
| FontData [] result = new FontData [1]; |
| result [0] = fontData; |
| return result; |
| } |
| |
| /** |
| * Returns an RGB describing the color that was selected |
| * in the dialog, or null if none is available. |
| * |
| * @return the RGB value for the selected color, or null |
| * |
| * @see PaletteData#getRGBs |
| * |
| * @since 2.1 |
| */ |
| public RGB getRGB () { |
| return rgb; |
| } |
| |
| /** |
| * Makes the dialog visible and brings it to the front |
| * of the display. |
| * |
| * @return a FontData object describing the font that was selected, |
| * or null if the dialog was cancelled or an error occurred |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the dialog has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the dialog</li> |
| * </ul> |
| */ |
| public FontData open () { |
| Display display = parent != null ? parent.display : Display.getCurrent (); |
| NSFontPanel panel = NSFontPanel.sharedFontPanel(); |
| panel.setTitle(NSString.stringWith(title != null ? title : "")); |
| boolean create = fontData != null; |
| Font font = create ? new Font(display, fontData) : display.getSystemFont(); |
| panel.setPanelFont(font.handle, false); |
| 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); |
| fontData = null; |
| selected = false; |
| panel.orderFront(null); |
| display.setModalDialog(this); |
| NSApplication.sharedApplication().runModalForWindow(panel); |
| display.setModalDialog(null); |
| if (selected) { |
| NSFont nsFont = panel.panelConvertFont(font.handle); |
| if (nsFont != null) { |
| fontData = Font.cocoa_new(display, nsFont).getFontData()[0]; |
| } |
| } |
| panel.setDelegate(null); |
| delegate.release(); |
| OS.DeleteGlobalRef(jniRef); |
| if (create) font.dispose(); |
| return fontData; |
| } |
| |
| void setColor_forAttribute(long /*int*/ id, long /*int*/ sel, long /*int*/ colorArg, long /*int*/ attribute) { |
| if (attribute != 0 && NSString.stringWith("NSColor").isEqualToString(new NSString(attribute))) { //$NON-NLS-1$ |
| if (colorArg != 0) { |
| NSColor color = new NSColor(colorArg); |
| Display display = parent != null ? parent.getDisplay() : Display.getCurrent(); |
| double /*float*/ [] handle = display.getNSColorRGB(color); |
| rgb = new RGB((int)(handle[0] * 255), (int)(handle[1] * 255), (int)(handle[2] * 255)); |
| } else { |
| rgb = null; |
| } |
| } |
| } |
| |
| /** |
| * Sets the effects selection controls in the dialog visible if the |
| * argument is <code>true</code>, and invisible otherwise. |
| * <p> |
| * By default the effects selection controls are displayed if the |
| * platform font dialog supports effects selection. |
| * </p> |
| * |
| * @param visible whether or not the dialog will show the effects selection controls |
| * |
| * @since 3.8 |
| */ |
| public void setEffectsVisible(boolean visible) { |
| effectsVisible = visible; |
| } |
| |
| /** |
| * Sets a FontData object describing the font to be |
| * selected by default in the dialog, or null to let |
| * the platform choose one. |
| * |
| * @param fontData the FontData to use initially, or null |
| * @deprecated use #setFontList (FontData []) |
| */ |
| public void setFontData (FontData fontData) { |
| this.fontData = fontData; |
| } |
| |
| /** |
| * Sets the set of FontData objects describing the font to |
| * be selected by default in the dialog, or null to let |
| * the platform choose one. |
| * |
| * @param fontData the set of FontData objects to use initially, or null |
| * to let the platform select a default when open() is called |
| * |
| * @see Font#getFontData |
| * |
| * @since 2.1.1 |
| */ |
| public void setFontList (FontData [] fontData) { |
| if (fontData != null && fontData.length > 0) { |
| this.fontData = fontData [0]; |
| } else { |
| this.fontData = null; |
| } |
| } |
| |
| /** |
| * Sets the RGB describing the color to be selected by default |
| * in the dialog, or null to let the platform choose one. |
| * |
| * @param rgb the RGB value to use initially, or null to let |
| * the platform select a default when open() is called |
| * |
| * @see PaletteData#getRGBs |
| * |
| * @since 2.1 |
| */ |
| public void setRGB (RGB rgb) { |
| this.rgb = rgb; |
| } |
| |
| int validModesForFontPanel(long /*int*/ id, long /*int*/ sel, long /*int*/ arg0) { |
| return effectsVisible ? OS.NSFontPanelAllModesMask : OS.NSFontPanelAllModesMask & ~OS.NSFontPanelAllEffectsModeMask; |
| } |
| |
| void windowWillClose(long /*int*/ id, long /*int*/ sel, long /*int*/ sender) { |
| NSApplication.sharedApplication().stop(null); |
| } |
| |
| } |