diff dwt/widgets/Group.d @ 0:380af2bdd8e5

Upload of whole dwt tree
author Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
date Sat, 09 Aug 2008 17:00:02 +0200
parents
children 649b8e223d5a
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dwt/widgets/Group.d	Sat Aug 09 17:00:02 2008 +0200
@@ -0,0 +1,202 @@
+/*******************************************************************************
+ * 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.Group;
+
+import dwt.dwthelper.utils;
+
+
+import dwt.DWT;
+import dwt.DWTException;
+import dwt.graphics.Rectangle;
+import dwt.internal.cocoa.NSBox;
+import dwt.internal.cocoa.NSRect;
+import dwt.internal.cocoa.NSSize;
+import dwt.internal.cocoa.NSString;
+import dwt.internal.cocoa.NSView;
+import dwt.internal.cocoa.SWTBox;
+import dwt.internal.cocoa.SWTView;
+
+/**
+ * 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>
+ */
+public class Group extends Composite {
+    SWTView contentView;
+    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>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 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 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>
+ *
+ * @see DWT#SHADOW_ETCHED_IN
+ * @see DWT#SHADOW_ETCHED_OUT
+ * @see DWT#SHADOW_IN
+ * @see DWT#SHADOW_OUT
+ * @see DWT#SHADOW_NONE
+ * @see Widget#checkSubclass
+ * @see Widget#getStyle
+ */
+public Group (Composite parent, int style) {
+    super (parent, checkStyle (style));
+}
+
+static int checkStyle (int style) {
+    style |= DWT.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 DWT style.
+    */
+    return style & ~(DWT.H_SCROLL | DWT.V_SCROLL);
+}
+
+protected void checkSubclass () {
+    if (!isValidSubclass ()) error (DWT.ERROR_INVALID_SUBCLASS);
+}
+
+public Rectangle computeTrim (int x, int y, int width, int height) {
+    checkWidget ();
+    NSBox widget = (NSBox)view;
+    NSSize margins = widget.contentViewMargins();
+    NSRect frame = contentView.frame();
+    width += margins.width * 2;
+    height += margins.height * 2 + frame.y;
+    return super.computeTrim(x, y, width, height);
+}
+
+NSView contentView () {
+    return contentView;
+}
+
+void createHandle () {
+    SWTBox widget = (SWTBox)new SWTBox().alloc();
+    widget.initWithFrame(new NSRect());
+    widget.setTitle(NSString.stringWith(""));
+    widget.setTag(jniRef);
+    SWTView contentWidget = (SWTView)new SWTView().alloc();
+    contentWidget.initWithFrame(new NSRect());
+    contentWidget.setTag(jniRef);
+//  contentWidget.setDrawsBackground(false);
+    widget.setContentView(contentWidget);
+    contentView = contentWidget;
+    view = widget;  
+    parent.contentView().addSubview_(widget);
+}
+
+public Rectangle getClientArea () {
+    checkWidget();
+    NSRect rect = contentView.bounds();
+    return new Rectangle((int)rect.x, (int)rect.y, (int)rect.width, (int)rect.height);
+}
+
+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 DWTException <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;
+}
+
+void releaseHandle () {
+    super.releaseHandle ();
+    if (contentView !is null) {
+        contentView.setTag(-1);
+        contentView.release();
+    }
+    contentView = null;
+}
+
+/**
+ * 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 '&amp;' 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
+ * '&amp;' can be escaped by doubling it in the string, causing
+ * a single '&amp;' to be displayed.
+ * </p>
+ * @param string the new text
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the text is null</li>
+ * </ul>
+ * @exception DWTException <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();
+    if (string is null) error (DWT.ERROR_NULL_ARGUMENT);
+    text = string;
+    char [] buffer = new char [text.length ()];
+    text.getChars (0, buffer.length, buffer, 0);
+    int length = fixMnemonic (buffer);
+    ((NSBox)view).setTitle(NSString.stringWithCharacters(buffer, length));
+}
+
+}