Mercurial > projects > dwt2
view org.eclipse.swt.gtk.linux.x86/src/org/eclipse/swt/widgets/Group.d @ 104:88652073d1c2
More work on icu
author | Frank Benoit <benoit@tionex.de> |
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date | Sat, 02 May 2009 11:27:24 +0200 |
parents | f713da8bc051 |
children |
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/******************************************************************************* * Copyright (c) 2000, 2008 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 * Port to the D programming language: * Frank Benoit <benoit@tionex.de> *******************************************************************************/ module org.eclipse.swt.widgets.Group; import java.lang.all; import org.eclipse.swt.SWT; import org.eclipse.swt.internal.gtk.OS; import org.eclipse.swt.graphics.Point; import org.eclipse.swt.graphics.Rectangle; import org.eclipse.swt.widgets.Composite; /** * Instances of this class provide an etched border * with an optional title. * <p> * Shadow styles are hints and may not be honoured * by the platform. To create a group with the * default shadow style for the platform, do not * specify a shadow style. * <dl> * <dt><b>Styles:</b></dt> * <dd>SHADOW_ETCHED_IN, SHADOW_ETCHED_OUT, SHADOW_IN, SHADOW_OUT, SHADOW_NONE</dd> * <dt><b>Events:</b></dt> * <dd>(none)</dd> * </dl> * <p> * Note: Only one of the above styles may be specified. * </p><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</a> * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> */ public class Group : Composite { alias Composite.computeSize computeSize; alias Composite.createHandle createHandle; alias Composite.mnemonicHit mnemonicHit; alias Composite.mnemonicMatch mnemonicMatch; alias Composite.setBackgroundColor setBackgroundColor; alias Composite.setForegroundColor setForegroundColor; GtkWidget* clientHandle_, labelHandle; String text = ""; /** * 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#SHADOW_ETCHED_IN * @see SWT#SHADOW_ETCHED_OUT * @see SWT#SHADOW_IN * @see SWT#SHADOW_OUT * @see SWT#SHADOW_NONE * @see Widget#checkSubclass * @see Widget#getStyle */ public this (Composite parent, int style) { super (parent, checkStyle (style)); } static int checkStyle (int style) { style |= SWT.NO_FOCUS; /* * Even though it is legal to create this widget * with scroll bars, they serve no useful purpose * because they do not automatically scroll the * widget's client area. The fix is to clear * the SWT style. */ return style & ~(SWT.H_SCROLL | SWT.V_SCROLL); } protected override void checkSubclass () { if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS); } override GtkWidget* clientHandle () { return clientHandle_; } public override Point computeSize (int wHint, int hHint, bool changed) { Point size = super.computeSize(wHint, hHint, changed); int width = computeNativeSize (handle, SWT.DEFAULT, SWT.DEFAULT, false).x; size.x = Math.max (size.x, width); return size; } public override Rectangle computeTrim (int x, int y, int width, int height) { checkWidget(); forceResize (); int clientX = OS.GTK_WIDGET_X (clientHandle_); int clientY = OS.GTK_WIDGET_Y (clientHandle_); x -= clientX; y -= clientY; width += clientX + clientX; height += clientX + clientY; return new Rectangle (x, y, width, height); } override void createHandle(int index) { state |= HANDLE | THEME_BACKGROUND; fixedHandle = cast(GtkWidget*)OS.g_object_new (display.gtk_fixed_get_type (), null); if (fixedHandle is null) error (SWT.ERROR_NO_HANDLES); OS.gtk_fixed_set_has_window (cast(GtkFixed*)fixedHandle, true); handle = OS.gtk_frame_new (null); if (handle is null) error (SWT.ERROR_NO_HANDLES); labelHandle = cast(GtkWidget*)OS.gtk_label_new (null); if (labelHandle is null) error (SWT.ERROR_NO_HANDLES); OS.g_object_ref (labelHandle); OS.gtk_object_sink (cast(GtkObject*)labelHandle); clientHandle_ = cast(GtkWidget*)OS.g_object_new (display.gtk_fixed_get_type (), null); if (clientHandle_ is null) error (SWT.ERROR_NO_HANDLES); OS.gtk_container_add (cast(GtkContainer*)fixedHandle, handle); OS.gtk_container_add (cast(GtkContainer*)handle, clientHandle_); if ((style & SWT.SHADOW_IN) !is 0) { OS.gtk_frame_set_shadow_type (cast(GtkFrame*)handle, OS.GTK_SHADOW_IN); } if ((style & SWT.SHADOW_OUT) !is 0) { OS.gtk_frame_set_shadow_type (cast(GtkFrame*)handle, OS.GTK_SHADOW_OUT); } if ((style & SWT.SHADOW_ETCHED_IN) !is 0) { OS.gtk_frame_set_shadow_type (cast(GtkFrame*)handle, OS.GTK_SHADOW_ETCHED_IN); } if ((style & SWT.SHADOW_ETCHED_OUT) !is 0) { OS.gtk_frame_set_shadow_type (cast(GtkFrame*)handle, OS.GTK_SHADOW_ETCHED_OUT); } } override void deregister () { super.deregister (); display.removeWidget (clientHandle_); display.removeWidget (labelHandle); } override void enableWidget (bool enabled) { OS.gtk_widget_set_sensitive (labelHandle, enabled); } override GtkWidget* eventHandle () { return fixedHandle; } override String getNameText () { return getText (); } /** * Returns the receiver's text, which is the string that the * is used as the <em>title</em>. If the text has not previously * been set, returns an empty string. * * @return the text * * @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 String getText () { checkWidget(); return text; } override void hookEvents () { super.hookEvents(); if (labelHandle !is null) { OS.g_signal_connect_closure_by_id (labelHandle, display.signalIds [MNEMONIC_ACTIVATE], 0, display.closures [MNEMONIC_ACTIVATE], false); } } override bool mnemonicHit (wchar key) { if (labelHandle is null) return false; bool result = super.mnemonicHit (labelHandle, key); if (result) setFocus (); return result; } override bool mnemonicMatch (wchar key) { if (labelHandle is null) return false; return mnemonicMatch (labelHandle, key); } override GtkWidget* parentingHandle() { return fixedHandle; } override void register () { super.register (); display.addWidget (clientHandle_, this); display.addWidget (labelHandle, this); } override void releaseHandle () { super.releaseHandle (); clientHandle_ = labelHandle = null; } override void releaseWidget () { super.releaseWidget (); if (labelHandle !is null) OS.g_object_unref (labelHandle); text = null; } override void setBackgroundColor (GdkColor* color) { super.setBackgroundColor (color); setBackgroundColor(fixedHandle, color); } override void setFontDescription (PangoFontDescription* font) { super.setFontDescription (font); OS.gtk_widget_modify_font (labelHandle, font); } override void setForegroundColor (GdkColor* color) { super.setForegroundColor (color); setForegroundColor (labelHandle, color); } override void setOrientation () { super.setOrientation (); if ((style & SWT.RIGHT_TO_LEFT) !is 0) { OS.gtk_widget_set_direction (labelHandle, OS.GTK_TEXT_DIR_RTL); } } /** * Sets the receiver's text, which is the string that will * be displayed as the receiver's <em>title</em>, to the argument, * which may not be null. The string may include the mnemonic character. * </p> * Mnemonics are indicated by an '&' that causes the next * character to be the mnemonic. When the user presses a * key sequence that matches the mnemonic, focus is assigned * to the first child of the group. On most platforms, the * mnemonic appears underlined but may be emphasised in a * platform specific manner. The mnemonic indicator character * '&' can be escaped by doubling it in the string, causing * a single '&' to be displayed. * </p> * @param string the new text * * @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 void setText (String string) { checkWidget(); // SWT extension: allow null for zero length string //if (string is null) error (SWT.ERROR_NULL_ARGUMENT); text = string; char [] chars = fixMnemonic (string); OS.gtk_label_set_text_with_mnemonic (cast(GtkLabel*)labelHandle, chars.toStringzValidPtr()); if (string.length !is 0) { if (OS.gtk_frame_get_label_widget (cast(GtkFrame*)handle) is null) { OS.gtk_frame_set_label_widget (cast(GtkFrame*)handle, labelHandle); } } else { OS.gtk_frame_set_label_widget (cast(GtkFrame*)handle, null); } } override void showWidget () { super.showWidget (); if (clientHandle_ !is null) OS.gtk_widget_show (clientHandle_); if (labelHandle !is null) OS.gtk_widget_show (labelHandle); } }