Mercurial > projects > dwt-linux
changeset 81:c263acbfae34
FontDialog
author | Frank Benoit <benoit@tionex.de> |
---|---|
date | Tue, 15 Jan 2008 18:37:58 +0100 |
parents | f9349a0d8101 |
children | 4cdaacfb8649 |
files | dwt/widgets/FontDialog.d |
diffstat | 1 files changed, 225 insertions(+), 0 deletions(-) [+] |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dwt/widgets/FontDialog.d Tue Jan 15 18:37:58 2008 +0100 @@ -0,0 +1,225 @@ +/******************************************************************************* + * Copyright (c) 2000, 2007 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 + *******************************************************************************/ +module dwt.widgets.FontDialog; + + + +import dwt.DWT; +import dwt.DWTException; +import dwt.graphics.Font; +import dwt.graphics.FontData; +import dwt.graphics.PaletteData; +import dwt.graphics.RGB; +import dwt.internal.gtk.OS; +import dwt.widgets.Dialog; +import dwt.widgets.Shell; +import dwt.widgets.Display; + +static import tango.stdc.stringz; + +/** + * 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 intended to be subclassed <em>only</em> + * within the DWT implementation. + * </p> + */ +public class FontDialog : 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 DWTException <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 this (Shell parent) { + this (parent, DWT.PRIMARY_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>DWT</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>DWT</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 DWTException <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 this (Shell parent, int style) { + super (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 is 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 DWTException <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 () { + GtkWidget* handle; + char* titleBytes; + titleBytes = tango.stdc.stringz.toStringz(title); + handle = OS.gtk_font_selection_dialog_new (titleBytes); + if (parent !is null) { + auto shellHandle = parent.topHandle (); + OS.gtk_window_set_transient_for(handle, shellHandle); + auto pixbufs = OS.gtk_window_get_icon_list (shellHandle); + if (pixbufs !is null) { + OS.gtk_window_set_icon_list (handle, pixbufs); + OS.g_list_free (pixbufs); + } + } + if (fontData !is null) { + Display display = parent !is null ? parent.display : Display.getCurrent (); + Font font = new Font (display, fontData); + auto fontName = OS.pango_font_description_to_string (font.handle); + font.dispose(); + OS.gtk_font_selection_dialog_set_font_name (handle, fontName); + OS.g_free (fontName); + } + Display display = parent !is null ? parent.getDisplay (): Display.getCurrent (); + display.addIdleProc (); + int response = OS.gtk_dialog_run(handle); + bool success = response is OS.GTK_RESPONSE_OK; + if (success) { + auto fontName = OS.gtk_font_selection_dialog_get_font_name (handle); + auto fontDesc = OS.pango_font_description_from_string (fontName); + OS.g_free (fontName); + Font font = Font.gtk_new (display, fontDesc); + fontData = font.getFontData () [0]; + OS.pango_font_description_free (fontDesc); + } + display.removeIdleProc (); + OS.gtk_widget_destroy(handle); + if (!success) return null; + return fontData; +} +/** + * 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 !is 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; +} +}