changeset 64:42e997034df9

Label
author Frank Benoit <benoit@tionex.de>
date Sat, 12 Jan 2008 15:16:49 +0100
parents f30b84b656a5
children 91456f72bc45
files dwt/internal/gtk/OS.d dwt/widgets/Label.d todo.txt
diffstat 3 files changed, 579 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/dwt/internal/gtk/OS.d	Sat Jan 12 14:50:03 2008 +0100
+++ b/dwt/internal/gtk/OS.d	Sat Jan 12 15:16:49 2008 +0100
@@ -154,6 +154,7 @@
 public alias dwt.internal.c.gtk.GtkScale GtkScale;
 public alias dwt.internal.c.gtk.GtkRange GtkRange;
 public alias dwt.internal.c.gtk.GtkSpinButton GtkSpinButton;
+public alias dwt.internal.c.gtk.GtkFrame GtkFrame;
 
 public alias dwt.internal.c.Xlib.XErrorEvent XErrorEvent;
 public alias dwt.internal.c.Xlib.XExposeEvent XExposeEvent;
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dwt/widgets/Label.d	Sat Jan 12 15:16:49 2008 +0100
@@ -0,0 +1,577 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2006 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.Label;
+
+
+import dwt.SWT;
+import dwt.internal.gtk.OS;
+import dwt.graphics.Point;
+import dwt.graphics.Image;
+import dwt.widgets.Control;
+import dwt.widgets.Composite;
+import dwt.widgets.ImageList;
+
+import tango.stdc.stringz;
+
+/**
+ * Instances of this class represent a non-selectable
+ * user interface object that displays a string or image.
+ * When SEPARATOR is specified, displays a single
+ * vertical or horizontal line.
+ * <dl>
+ * <dt><b>Styles:</b></dt>
+ * <dd>SEPARATOR, HORIZONTAL, VERTICAL</dd>
+ * <dd>SHADOW_IN, SHADOW_OUT, SHADOW_NONE</dd>
+ * <dd>CENTER, LEFT, RIGHT, WRAP</dd>
+ * <dt><b>Events:</b></dt>
+ * <dd>(none)</dd>
+ * </dl>
+ * <p>
+ * Note: Only one of SHADOW_IN, SHADOW_OUT and SHADOW_NONE may be specified.
+ * SHADOW_NONE is a HINT. Only one of HORIZONTAL and VERTICAL may be specified.
+ * Only one of CENTER, LEFT and RIGHT may be specified.
+ * </p><p>
+ * IMPORTANT: This class is intended to be subclassed <em>only</em>
+ * within the SWT implementation.
+ * </p>
+ */
+public class Label : Control {
+    GtkWidget* frameHandle, labelHandle, imageHandle;
+    ImageList imageList;
+    Image image;
+    char[] 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#SEPARATOR
+ * @see SWT#HORIZONTAL
+ * @see SWT#VERTICAL
+ * @see SWT#SHADOW_IN
+ * @see SWT#SHADOW_OUT
+ * @see SWT#SHADOW_NONE
+ * @see SWT#CENTER
+ * @see SWT#LEFT
+ * @see SWT#RIGHT
+ * @see SWT#WRAP
+ * @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;
+    if ((style & SWT.SEPARATOR) !is 0) {
+        style = checkBits (style, SWT.VERTICAL, SWT.HORIZONTAL, 0, 0, 0, 0);
+        return checkBits (style, SWT.SHADOW_OUT, SWT.SHADOW_IN, SWT.SHADOW_NONE, 0, 0, 0);
+    }
+    return checkBits (style, SWT.LEFT, SWT.CENTER, SWT.RIGHT, 0, 0, 0);
+}
+
+void addRelation (Control control) {
+    if (!control.isDescribedByLabel ()) return;
+    if (labelHandle is null) return;
+    auto accessible = OS.gtk_widget_get_accessible (labelHandle);
+    auto controlAccessible = OS.gtk_widget_get_accessible (control.handle);
+    if (accessible !is null && controlAccessible !is null) {
+        OS.atk_object_add_relationship (controlAccessible, OS.ATK_RELATION_LABELLED_BY, accessible);
+    }
+}
+
+public Point computeSize (int wHint, int hHint, bool changed) {
+    checkWidget ();
+    if (wHint !is SWT.DEFAULT && wHint < 0) wHint = 0;
+    if (hHint !is SWT.DEFAULT && hHint < 0) hHint = 0;
+    if ((style & SWT.SEPARATOR) !is 0) {
+        if ((style & SWT.HORIZONTAL) !is 0) {
+            if (wHint is SWT.DEFAULT) wHint = DEFAULT_WIDTH;
+        } else {
+            if (hHint is SWT.DEFAULT) hHint = DEFAULT_HEIGHT;
+        }
+    }
+    bool fixWrap = labelHandle !is null && (style & SWT.WRAP) !is 0;
+    if (fixWrap || frameHandle !is null) forceResize ();
+    int labelWidth, labelHeight;
+    if (fixWrap) {
+        OS.gtk_widget_get_size_request (labelHandle, &labelWidth, &labelHeight);
+        OS.gtk_widget_set_size_request (labelHandle, wHint, hHint);
+    }
+    Point size;
+    if (frameHandle !is null) {
+        int reqWidth, reqHeight;
+        OS.gtk_widget_get_size_request (handle, &reqWidth, &reqHeight);
+        OS.gtk_widget_set_size_request (handle, wHint, hHint);
+        size = computeNativeSize (frameHandle, -1, -1, changed);
+        OS.gtk_widget_set_size_request (handle, reqWidth, reqHeight);
+    } else {
+        size = computeNativeSize (handle, wHint, hHint, changed);
+    }
+    if (fixWrap) {
+        OS.gtk_widget_set_size_request (labelHandle, labelWidth, labelHeight);
+    }
+    /*
+    * Feature in GTK.  Instead of using the font height to determine
+    * the preferred height of the widget, GTK uses the text metrics.
+    * The fix is to ensure that the preferred height is at least as
+    * tall as the font height.
+    *
+    * NOTE: This work around does not fix the case when there are
+    * muliple lines of text.
+    */
+    if (hHint is SWT.DEFAULT && labelHandle !is null) {
+        auto layout = OS.gtk_label_get_layout (cast(GtkLabel*)labelHandle);
+        auto context = OS.pango_layout_get_context (layout);
+        auto lang = OS.pango_context_get_language (context);
+        auto font = getFontDescription ();
+        auto metrics = OS.pango_context_get_metrics (context, font, lang);
+        int ascent = OS.PANGO_PIXELS (OS.pango_font_metrics_get_ascent (metrics));
+        int descent = OS.PANGO_PIXELS (OS.pango_font_metrics_get_descent (metrics));
+        OS.pango_font_metrics_unref (metrics);
+        int fontHeight = ascent + descent;
+        int  buffer;
+        OS.g_object_get1 (labelHandle, OS.ypad.ptr, &buffer);
+        fontHeight += 2 * buffer;
+        if (frameHandle !is null) {
+            auto style = OS.gtk_widget_get_style (frameHandle);
+            fontHeight += 2 * OS.gtk_style_get_ythickness (style);
+            fontHeight += 2 * OS.gtk_container_get_border_width (cast(GtkContainer*)frameHandle);
+        }
+        size.y = Math.max (size.y, fontHeight);
+    }
+    return size;
+}
+
+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);
+    if ((style & SWT.SEPARATOR) !is 0) {
+        if ((style & SWT.HORIZONTAL)!is 0) {
+            handle = OS.gtk_hseparator_new ();
+        } else {
+            handle = OS.gtk_vseparator_new ();
+        }
+        if (handle is null) error (SWT.ERROR_NO_HANDLES);
+    } else {
+        handle = OS.gtk_hbox_new (false, 0);
+        if (handle is null) error (SWT.ERROR_NO_HANDLES);
+        labelHandle = OS.gtk_label_new_with_mnemonic (null);
+        if (labelHandle is null) error (SWT.ERROR_NO_HANDLES);
+        imageHandle = OS.gtk_image_new ();
+        if (imageHandle is null) error (SWT.ERROR_NO_HANDLES);
+        OS.gtk_container_add (cast(GtkContainer*)handle, labelHandle);
+        OS.gtk_container_add (cast(GtkContainer*)handle, imageHandle);
+    }
+    if ((style & SWT.BORDER) !is 0) {
+        frameHandle = OS.gtk_frame_new (null);
+        if (frameHandle is null) error (SWT.ERROR_NO_HANDLES);
+        OS.gtk_container_add (cast(GtkContainer*)fixedHandle, frameHandle);
+        OS.gtk_container_add (cast(GtkContainer*)frameHandle, handle);
+        OS.gtk_frame_set_shadow_type (cast(GtkFrame*)frameHandle, OS.GTK_SHADOW_ETCHED_IN);
+    } else {
+        OS.gtk_container_add (cast(GtkContainer*)fixedHandle, handle);
+    }
+    if ((style & SWT.SEPARATOR) !is 0) return;
+    if ((style & SWT.WRAP) !is 0) OS.gtk_label_set_line_wrap (cast(GtkLabel*)labelHandle, true);
+    if ((style & SWT.LEFT) !is 0) {
+        OS.gtk_misc_set_alignment (cast(GtkMisc*)labelHandle, 0.0f, 0.0f);
+        OS.gtk_label_set_justify (cast(GtkLabel*)labelHandle, OS.GTK_JUSTIFY_LEFT);
+        OS.gtk_misc_set_alignment (cast(GtkMisc*)imageHandle, 0.0f, 0.5f);
+        return;
+    }
+    if ((style & SWT.CENTER) !is 0) {
+        OS.gtk_misc_set_alignment (cast(GtkMisc*)labelHandle, 0.5f, 0.0f);
+        OS.gtk_label_set_justify (cast(GtkLabel*)labelHandle, OS.GTK_JUSTIFY_CENTER);
+        OS.gtk_misc_set_alignment (cast(GtkMisc*)imageHandle, 0.5f, 0.5f);
+        return;
+    }
+    if ((style & SWT.RIGHT) !is 0) {
+        OS.gtk_misc_set_alignment (cast(GtkMisc*)labelHandle, 1.0f, 0.0f);
+        OS.gtk_label_set_justify (cast(GtkLabel*)labelHandle, OS.GTK_JUSTIFY_RIGHT);
+        OS.gtk_misc_set_alignment (cast(GtkMisc*)imageHandle, 1.0f, 0.5f);
+        return;
+    }
+}
+
+void createWidget (int index) {
+    super.createWidget (index);
+    text = "";
+}
+
+void deregister () {
+    super.deregister ();
+    if (frameHandle !is null) display.removeWidget (frameHandle);
+    if (labelHandle !is null) display.removeWidget (labelHandle);
+    if (imageHandle !is null) display.removeWidget (imageHandle);
+}
+
+GtkWidget* eventHandle () {
+    return fixedHandle;
+}
+
+/**
+ * Returns a value which describes the position of the
+ * text or image in the receiver. The value will be one of
+ * <code>LEFT</code>, <code>RIGHT</code> or <code>CENTER</code>
+ * unless the receiver is a <code>SEPARATOR</code> label, in
+ * which case, <code>NONE</code> is returned.
+ *
+ * @return the alignment
+ *
+ * @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 int getAlignment () {
+    checkWidget ();
+    if ((style & SWT.SEPARATOR) !is 0) return 0;
+    if ((style & SWT.LEFT) !is 0) return SWT.LEFT;
+    if ((style & SWT.CENTER) !is 0) return SWT.CENTER;
+    if ((style & SWT.RIGHT) !is 0) return SWT.RIGHT;
+    return SWT.LEFT;
+}
+
+public int getBorderWidth () {
+    checkWidget();
+    if (frameHandle !is null) {
+        return OS.gtk_style_get_xthickness (OS.gtk_widget_get_style (frameHandle));
+    }
+    return 0;
+}
+
+/**
+ * Returns the receiver's image if it has one, or null
+ * if it does not.
+ *
+ * @return the receiver's image
+ *
+ * @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 Image getImage () {
+    checkWidget ();
+    return image;
+}
+
+char[] getNameText () {
+    return getText ();
+}
+
+/**
+ * Returns the receiver's text, which will be an empty
+ * string if it has never been set or if the receiver is
+ * a <code>SEPARATOR</code> label.
+ *
+ * @return the receiver's 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 char[] getText () {
+    checkWidget ();
+    if ((style & SWT.SEPARATOR) !is 0) return "";
+    return text;
+}
+
+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);
+    }
+}
+
+bool isDescribedByLabel () {
+    return false;
+}
+
+override bool mnemonicHit (char key) {
+    if (labelHandle is null) return false;
+    bool result = super.mnemonicHit (labelHandle, key);
+    if (result) {
+        Composite control = this.parent;
+        while (control !is null) {
+            Control [] children = control._getChildren ();
+            int index = 0;
+            while (index < children.length) {
+                if (children [index] is this) break;
+                index++;
+            }
+            index++;
+            if (index < children.length) {
+                if (children [index].setFocus ()) return result;
+            }
+            control = control.parent;
+        }
+    }
+    return result;
+}
+
+alias Control.mnemonicMatch mnemonicMatch;
+override bool mnemonicMatch (char key) {
+    if (labelHandle is null) return false;
+    return mnemonicMatch (labelHandle, key);
+}
+
+override void register () {
+    super.register ();
+    if (frameHandle !is null) display.addWidget (frameHandle, this);
+    if (labelHandle !is null) display.addWidget (labelHandle, this);
+    if (imageHandle !is null) display.addWidget (imageHandle, this);
+}
+
+override void releaseHandle () {
+    super.releaseHandle ();
+    frameHandle = imageHandle = labelHandle = null;
+}
+
+override void releaseWidget () {
+    super.releaseWidget ();
+    if (imageList !is null) imageList.dispose ();
+    imageList = null;
+    image = null;
+    text = null;
+}
+
+void resizeHandle (int width, int height) {
+    OS.gtk_widget_set_size_request (fixedHandle, width, height);
+    OS.gtk_widget_set_size_request (frameHandle !is null ? frameHandle : handle, width, height);
+}
+
+/**
+ * Controls how text and images will be displayed in the receiver.
+ * The argument should be one of <code>LEFT</code>, <code>RIGHT</code>
+ * or <code>CENTER</code>.  If the receiver is a <code>SEPARATOR</code>
+ * label, the argument is ignored and the alignment is not changed.
+ *
+ * @param alignment the new alignment
+ *
+ * @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 setAlignment (int alignment) {
+    checkWidget ();
+    if ((style & SWT.SEPARATOR) !is 0) return;
+    if ((alignment & (SWT.LEFT | SWT.RIGHT | SWT.CENTER)) is 0) return;
+    style &= ~(SWT.LEFT | SWT.RIGHT | SWT.CENTER);
+    style |= alignment & (SWT.LEFT | SWT.RIGHT | SWT.CENTER);
+    bool isRTL = (style & SWT.RIGHT_TO_LEFT) !is 0;
+    if ((style & SWT.LEFT) !is 0) {
+        OS.gtk_misc_set_alignment (cast(GtkMisc*)labelHandle, 0.0f, 0.0f);
+        OS.gtk_label_set_justify (cast(GtkLabel*)labelHandle, isRTL ? OS.GTK_JUSTIFY_RIGHT : OS.GTK_JUSTIFY_LEFT);
+        OS.gtk_misc_set_alignment (cast(GtkMisc*)imageHandle, 0.0f, 0.5f);
+        return;
+    }
+    if ((style & SWT.CENTER) !is 0) {
+        OS.gtk_misc_set_alignment (cast(GtkMisc*)labelHandle, 0.5f, 0.0f);
+        OS.gtk_label_set_justify (cast(GtkLabel*)labelHandle, OS.GTK_JUSTIFY_CENTER);
+        OS.gtk_misc_set_alignment (cast(GtkMisc*)imageHandle, 0.5f, 0.5f);
+        return;
+    }
+    if ((style & SWT.RIGHT) !is 0) {
+        OS.gtk_misc_set_alignment (cast(GtkMisc*)labelHandle, 1.0f, 0.0f);
+        OS.gtk_label_set_justify (cast(GtkLabel*)labelHandle, isRTL ? OS.GTK_JUSTIFY_LEFT : OS.GTK_JUSTIFY_RIGHT);
+        OS.gtk_misc_set_alignment (cast(GtkMisc*)imageHandle, 1.0f, 0.5f);
+        return;
+    }
+}
+
+alias Control.setBackgroundColor setBackgroundColor;
+override void setBackgroundColor (GdkColor* color) {
+    super.setBackgroundColor (color);
+    setBackgroundColor(fixedHandle, color);
+    if (labelHandle !is null) setBackgroundColor(labelHandle, color);
+    if (imageHandle !is null) setBackgroundColor(imageHandle, color);
+}
+
+int setBounds (int x, int y, int width, int height, bool move, bool resize) {
+    /*
+    * Bug in GTK.  For some reason, when the label is
+    * wrappable and its container is resized, it does not
+    * cause the label to be wrapped.  The fix is to
+    * determine the size that will wrap the label
+    * and expilictly set that size to force the label
+    * to wrap.
+    *
+    * This part of the fix causes the label to be
+    * resized to the preferred size but it still
+    * won't draw properly.
+    */
+    bool fixWrap = resize && labelHandle !is null && (style & SWT.WRAP) !is 0;
+    if (fixWrap) OS.gtk_widget_set_size_request (labelHandle, -1, -1);
+    int result = super.setBounds (x, y, width, height, move, resize);
+    /*
+    * Bug in GTK.  For some reason, when the label is
+    * wrappable and its container is resized, it does not
+    * cause the label to be wrapped.  The fix is to
+    * determine the size that will wrap the label
+    * and expilictly set that size to force the label
+    * to wrap.
+    *
+    * This part of the fix forces the label to be
+    * resized so that it will draw wrapped.
+    */
+    if (fixWrap) {
+        int labelWidth = OS.GTK_WIDGET_WIDTH (handle);
+        int labelHeight = OS.GTK_WIDGET_HEIGHT (handle);
+        OS.gtk_widget_set_size_request (labelHandle, labelWidth, labelHeight);
+        /*
+        * Bug in GTK.  Setting the size request should invalidate the label's
+        * layout, but it does not.  The fix is to resize the label directly.
+        */
+        GtkRequisition requisition;
+        OS.gtk_widget_size_request (labelHandle, &requisition);
+        GtkAllocation allocation;
+        allocation.x = OS.GTK_WIDGET_X (labelHandle);
+        allocation.y = OS.GTK_WIDGET_Y (labelHandle);
+        allocation.width = labelWidth;
+        allocation.height = labelHeight;
+        OS.gtk_widget_size_allocate (labelHandle, &allocation);
+    }
+    return result;
+}
+
+override void setFontDescription (PangoFontDescription* font) {
+    super.setFontDescription (font);
+    if (labelHandle !is null) OS.gtk_widget_modify_font (labelHandle, font);
+    if (imageHandle !is null) OS.gtk_widget_modify_font (imageHandle, font);
+}
+
+alias Control.setForegroundColor setForegroundColor;
+override void setForegroundColor (GdkColor* color) {
+    super.setForegroundColor (color);
+    setForegroundColor (fixedHandle, color);
+    if (labelHandle !is null) setForegroundColor (labelHandle, color);
+    if (imageHandle !is null) setForegroundColor (imageHandle, color);
+}
+
+void setOrientation () {
+    super.setOrientation ();
+    if ((style & SWT.RIGHT_TO_LEFT) !is 0) {
+        if (labelHandle !is null) OS.gtk_widget_set_direction (labelHandle, OS.GTK_TEXT_DIR_RTL);
+        if (imageHandle !is null) OS.gtk_widget_set_direction (imageHandle, OS.GTK_TEXT_DIR_RTL);
+        if ((style & SWT.LEAD) !is 0) {
+            if (labelHandle !is null) OS.gtk_label_set_justify (cast(GtkLabel*)labelHandle, OS.GTK_JUSTIFY_RIGHT);
+        }
+        if ((style & SWT.TRAIL) !is 0) {
+            if (labelHandle !is null) OS.gtk_label_set_justify (cast(GtkLabel*)labelHandle, OS.GTK_JUSTIFY_LEFT);
+        }
+    }
+}
+
+/**
+ * Sets the receiver's image to the argument, which may be
+ * null indicating that no image should be displayed.
+ *
+ * @param image the image to display on the receiver (may be null)
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_INVALID_ARGUMENT - if the image has been disposed</li>
+ * </ul>
+ * @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 setImage (Image image) {
+    checkWidget ();
+    if ((style & SWT.SEPARATOR) !is 0) return;
+    this.image = image;
+    if (imageList !is null) imageList.dispose ();
+    imageList = null;
+    if (image !is null) {
+        imageList = new ImageList ();
+        int imageIndex = imageList.add (image);
+        auto pixbuf = imageList.getPixbuf (imageIndex);
+        OS.gtk_image_set_from_pixbuf (cast(GtkImage*)imageHandle, pixbuf);
+        OS.gtk_widget_hide (labelHandle);
+        OS.gtk_widget_show (imageHandle);
+    } else {
+        OS.gtk_image_set_from_pixbuf (cast(GtkImage*)imageHandle, null);
+        OS.gtk_widget_show (labelHandle);
+        OS.gtk_widget_hide (imageHandle);
+    }
+}
+
+/**
+ * Sets the receiver's text.
+ * <p>
+ * This method sets the widget label.  The label may include
+ * the mnemonic character and line delimiters.
+ * </p>
+ * <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 control that follows the label. 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 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 (char[] string) {
+    checkWidget ();
+    if (string is null) error (SWT.ERROR_NULL_ARGUMENT);
+    if ((style & SWT.SEPARATOR) !is 0) return;
+    text = string;
+    char [] chars = fixMnemonic (string);
+    OS.gtk_label_set_text_with_mnemonic (cast(GtkLabel*)labelHandle, toStringz(chars));
+    OS.gtk_widget_hide (imageHandle);
+    OS.gtk_widget_show (labelHandle);
+}
+
+void showWidget () {
+    super.showWidget ();
+    if (frameHandle !is null) OS.gtk_widget_show (frameHandle);
+    if (labelHandle !is null) OS.gtk_widget_show (labelHandle);
+}
+}
--- a/todo.txt	Sat Jan 12 14:50:03 2008 +0100
+++ b/todo.txt	Sat Jan 12 15:16:49 2008 +0100
@@ -105,7 +105,7 @@
 widgets/Group
 widgets/ImageList                       // OKs
 widgets/Item                            // OKs
-widgets/Label
+widgets/Label                           // OKs
 widgets/Layout                          // OKs
 widgets/Link
 widgets/List