| /******************************************************************************* |
| * Copyright (c) 2000, 2009 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.wpf.OS; |
| |
| /** |
| * 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; |
| |
| /** |
| * 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 (); |
| } |
| |
| /** |
| * 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 () { |
| int dialog = OS.gcnew_FontDialog (); |
| OS.FontDialog_ShowColor (dialog, true); |
| if (fontData != null) { |
| int fontFamily = parent.createDotNetString (fontData.fontFamily, false); |
| int fontStyle = 0; |
| int fontWeight = OS.FontWeight_ToOpenTypeWeight (OS.FontWeights_Bold); |
| if (fontWeight == fontData.weight) fontStyle |= OS.FontStyle_Bold; |
| if (fontData.style == OS.FontStyles_Italic) fontStyle |= OS.FontStyle_Italic; |
| if (fontData.style == OS.FontStyles_Normal) fontStyle |= OS.FontStyle_Regular; |
| //TODO strikethrough/underline |
| int font = OS.gcnew_Font (fontFamily, fontData.height, fontStyle); |
| OS.FontDialog_Font (dialog, font); |
| OS.GCHandle_Free (font); |
| OS.GCHandle_Free (fontFamily); |
| } |
| if (rgb != null) { |
| int color = OS.DrawingColor_FromArgb (174, rgb.red, rgb.blue, rgb.green); |
| OS.FontDialog_Color (dialog, color); |
| OS.GCHandle_Free (color); |
| } |
| int result = OS.FormsCommonDialog_ShowDialog (dialog); |
| boolean success = result == OS.DialogResult_OK; |
| if (success) { |
| int font = OS.FontDialog_Font (dialog); |
| int fontFamilyPtr = OS.Font_FontFamily (font); |
| int fontFamilyName = OS.DrawingFontFamily_Name (fontFamilyPtr); |
| String fontFamily = Widget.createJavaString (fontFamilyName); |
| int fontStyle = OS.Font_Style (font); |
| int fontDataStyle; |
| if ((fontStyle & OS.FontStyle_Italic) != 0) { |
| fontDataStyle = OS.FontStyles_Italic; |
| } else { |
| fontDataStyle = OS.FontStyles_Normal; |
| } |
| int weight; |
| if ((fontStyle & OS.FontStyle_Bold) != 0) { |
| weight = OS.FontWeight_ToOpenTypeWeight (OS.FontWeights_Bold); |
| } else { |
| weight = OS.FontWeight_ToOpenTypeWeight (OS.FontWeights_Normal); |
| } |
| int height = OS.Font_Size (font); |
| OS.GCHandle_Free(fontFamilyName); |
| OS.GCHandle_Free(fontFamilyPtr); |
| OS.GCHandle_Free(font); |
| fontData = FontData.wpf_new (fontFamily, fontDataStyle, weight, 1, height); |
| |
| int color = OS.FontDialog_Color (dialog); |
| int argb = OS.DrawingColor_ToArgb (color); |
| int red = (argb & 0xFF0000) >> 16; |
| int green = (argb & 0xFF00) >> 8; |
| int blue = argb & 0xFF; |
| OS.GCHandle_Free (color); |
| rgb = new RGB (red, green, blue); |
| } |
| OS.GCHandle_Free (dialog); |
| return success ? fontData : null; |
| } |
| |
| /** |
| * 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; |
| } |
| |
| } |