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author | Silenio Quarti <silenio> | 2009-07-01 14:50:54 +0000 |
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committer | Silenio Quarti <silenio> | 2009-07-01 14:50:54 +0000 |
commit | 093c579a4ffd9551acb901bba9617e7aa776989d (patch) | |
tree | 71cf23798b651ef92f188390841a8d130908fb11 /bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/TabItem.java | |
parent | f664d297f7bb009784868bf3fcf0b3e3bb9a646b (diff) | |
download | eclipse.platform.swt-093c579a4ffd9551acb901bba9617e7aa776989d.tar.gz eclipse.platform.swt-093c579a4ffd9551acb901bba9617e7aa776989d.tar.xz eclipse.platform.swt-093c579a4ffd9551acb901bba9617e7aa776989d.zip |
restore HEAD after accidental deletion by error in automated build script
Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/TabItem.java')
-rw-r--r-- | bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/TabItem.java | 390 |
1 files changed, 390 insertions, 0 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/TabItem.java b/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/TabItem.java new file mode 100644 index 0000000000..a19d175727 --- /dev/null +++ b/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/TabItem.java @@ -0,0 +1,390 @@ +/******************************************************************************* + * 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.internal.*; +import org.eclipse.swt.internal.gtk.*; +import org.eclipse.swt.graphics.*; + +/** + * Instances of this class represent a selectable user interface object + * corresponding to a tab for a page in a tab folder. + * <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/snippets/#tabfolder">TabFolder, TabItem snippets</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 TabItem extends Item { + int /*long*/ labelHandle, imageHandle, pageHandle; + Control control; + TabFolder parent; + String toolTipText; + +/** + * Constructs a new instance of this class given its parent + * (which must be a <code>TabFolder</code>) and a style value + * describing its behavior and appearance. The item is added + * to the end of the items maintained by its parent. + * <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 + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public TabItem (TabFolder parent, int style) { + super (parent, style); + this.parent = parent; + createWidget (parent.getItemCount ()); +} + +/** + * Constructs a new instance of this class given its parent + * (which must be a <code>TabFolder</code>), a style value + * describing its behavior and appearance, and the index + * at which to place it in the items maintained by its parent. + * <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 + * @param index the zero-relative index to store the receiver in its parent + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the parent (inclusive)</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 + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public TabItem (TabFolder parent, int style, int index) { + super (parent, style); + this.parent = parent; + createWidget (index); +} + +protected void checkSubclass () { + if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS); +} + +void createWidget (int index) { + parent.createItem (this, index); + setOrientation (); + hookEvents (); + register (); + text = ""; +} + +void deregister() { + super.deregister (); + if (labelHandle != 0) display.removeWidget (labelHandle); +} + +void destroyWidget () { + parent.destroyItem (this); + releaseHandle (); +} + +/** + * Returns a rectangle describing the receiver's size and location + * relative to its parent. + * + * @return the receiver's bounding rectangle + * + * @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> + * + * @since 3.4 + */ +public Rectangle getBounds () { + checkWidget(); + int x = OS.GTK_WIDGET_X (handle); + int y = OS.GTK_WIDGET_Y (handle); + int width = (state & ZERO_WIDTH) != 0 ? 0 : OS.GTK_WIDGET_WIDTH (handle); + int height = (state & ZERO_HEIGHT) != 0 ? 0 : OS.GTK_WIDGET_HEIGHT (handle); + if ((parent.style & SWT.MIRRORED) != 0) x = parent.getClientWidth () - width - x; + return new Rectangle (x, y, width, height); +} + +/** + * Returns the control that is used to fill the client area of + * the tab folder when the user selects the tab item. If no + * control has been set, return <code>null</code>. + * <p> + * @return the control + * + * @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 Control getControl () { + checkWidget (); + return control; +} + +/** + * Returns the receiver's parent, which must be a <code>TabFolder</code>. + * + * @return the receiver's parent + * + * @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 TabFolder getParent () { + checkWidget (); + return parent; +} + +/** + * Returns the receiver's tool tip text, or null if it has + * not been set. + * + * @return the receiver's tool tip 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 getToolTipText () { + checkWidget (); + return toolTipText; +} + +int /*long*/ gtk_enter_notify_event (int /*long*/ widget, int /*long*/ event) { + parent.gtk_enter_notify_event (widget, event); + return 0; +} + +int /*long*/ gtk_mnemonic_activate (int /*long*/ widget, int /*long*/ arg1) { + return parent.gtk_mnemonic_activate (widget, arg1); +} + +void hookEvents () { + super.hookEvents (); + if (labelHandle != 0) OS.g_signal_connect_closure_by_id (labelHandle, display.signalIds [MNEMONIC_ACTIVATE], 0, display.closures [MNEMONIC_ACTIVATE], false); + OS.g_signal_connect_closure_by_id (handle, display.signalIds [ENTER_NOTIFY_EVENT], 0, display.closures [ENTER_NOTIFY_EVENT], false); +} + +void register () { + super.register (); + if (labelHandle != 0) display.addWidget (labelHandle, this); +} + +void releaseHandle () { + super.releaseHandle (); + pageHandle = labelHandle = imageHandle = 0; + parent = null; +} + +void releaseParent () { + super.releaseParent (); + int index = parent.indexOf (this); + if (index == parent.getSelectionIndex ()) { + if (control != null) control.setVisible (false); + } +} + +/** + * Sets the control that is used to fill the client area of + * the tab folder when the user selects the tab item. + * <p> + * @param control the new control (or null) + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the control has been disposed</li> + * <li>ERROR_INVALID_PARENT - if the control is not in the same widget tree</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 setControl (Control control) { + checkWidget (); + if (control != null) { + if (control.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); + if (control.parent != parent) error (SWT.ERROR_INVALID_PARENT); + } + Control oldControl = this.control, newControl = control; + this.control = control; + int index = parent.indexOf (this), selectionIndex = parent.getSelectionIndex(); + if (index != selectionIndex) { + if (newControl != null) { + if (selectionIndex != -1) { + Control selectedControl = parent.getItem(selectionIndex).getControl(); + if (selectedControl == newControl) return; + } + newControl.setVisible(false); + return; + } + } + if (newControl != null) { + newControl.setBounds (parent.getClientArea ()); + newControl.setVisible (true); + } + if (oldControl != null) oldControl.setVisible (false); +} + +void setFontDescription (int /*long*/ font) { + OS.gtk_widget_modify_font (labelHandle, font); + OS.gtk_widget_modify_font (imageHandle, font); +} + +void setForegroundColor (GdkColor color) { + /* Don't set the color in vbox handle (it doesn't draw) */ + setForegroundColor (labelHandle, color); + setForegroundColor (imageHandle, color); +} + +public void setImage (Image image) { + checkWidget (); + super.setImage (image); + if (image != null) { + ImageList imageList = parent.imageList; + if (imageList == null) imageList = parent.imageList = new ImageList (); + int imageIndex = imageList.indexOf (image); + if (imageIndex == -1) { + imageIndex = imageList.add (image); + } else { + imageList.put (imageIndex, image); + } + int /*long*/ pixbuf = imageList.getPixbuf (imageIndex); + OS.gtk_image_set_from_pixbuf (imageHandle, pixbuf); + OS.gtk_widget_show (imageHandle); + } else { + OS.gtk_image_set_from_pixbuf (imageHandle, 0); + OS.gtk_widget_hide (imageHandle); + } +} + +void setOrientation () { + if ((parent.style & SWT.RIGHT_TO_LEFT) != 0) { + if (handle != 0) OS.gtk_widget_set_direction (handle, OS.GTK_TEXT_DIR_RTL); + if (labelHandle != 0) OS.gtk_widget_set_direction (labelHandle, OS.GTK_TEXT_DIR_RTL); + if (imageHandle != 0) OS.gtk_widget_set_direction (imageHandle, OS.GTK_TEXT_DIR_RTL); + if (pageHandle != 0) OS.gtk_widget_set_direction (pageHandle, OS.GTK_TEXT_DIR_RTL); + } +} + +/** + * Sets the receiver's text. The string may include + * the mnemonic character. + * </p> + * <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, a selection + * event occurs. 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 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 (String string) { + checkWidget (); + if (string == null) error (SWT.ERROR_NULL_ARGUMENT); + super.setText (string); + char [] chars = fixMnemonic (string); + byte [] buffer = Converter.wcsToMbcs (null, chars, true); + OS.gtk_label_set_text_with_mnemonic (labelHandle, buffer); + if (string.length () != 0) { + OS.gtk_widget_show (labelHandle); + } else { + OS.gtk_widget_hide (labelHandle); + } +} + +/** + * Sets the receiver's tool tip text to the argument, which + * may be null indicating that the default tool tip for the + * control will be shown. For a control that has a default + * tool tip, such as the Tree control on Windows, setting + * the tool tip text to an empty string replaces the default, + * causing no tool tip text to be shown. + * <p> + * The mnemonic indicator (character '&') is not displayed in a tool tip. + * To display a single '&' in the tool tip, the character '&' can be + * escaped by doubling it in the string. + * </p> + * + * @param string the new tool tip text (or null) + * + * @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 setToolTipText (String string) { + checkWidget (); + toolTipText = string; +} + +} |