| /******************************************************************************* |
| * Copyright (c) 2000, 2012 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.events.*; |
| import org.eclipse.swt.graphics.*; |
| import org.eclipse.swt.internal.*; |
| import org.eclipse.swt.internal.gtk.*; |
| |
| /** |
| * Instances of this class represent a selectable user interface object |
| * that issues notification when pressed and released. |
| * <dl> |
| * <dt><b>Styles:</b></dt> |
| * <dd>CHECK, CASCADE, PUSH, RADIO, SEPARATOR</dd> |
| * <dt><b>Events:</b></dt> |
| * <dd>Arm, Help, Selection</dd> |
| * </dl> |
| * <p> |
| * Note: Only one of the styles CHECK, CASCADE, PUSH, RADIO and SEPARATOR |
| * 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/">Sample code and further information</a> |
| * @noextend This class is not intended to be subclassed by clients. |
| */ |
| public class MenuItem extends Item { |
| Menu parent, menu; |
| long /*int*/ groupHandle, labelHandle, imageHandle; |
| |
| /** Feature in Gtk: as of Gtk version 3.10 GtkImageMenuItem is deprecated, |
| * meaning that MenuItems in SWT with images can no longer be GtkImageMenuItems |
| * after Gtk3.10. The solution to this is to create a GtkMenuItem, add a GtkBox |
| * as its child, and pack that box with a GtkLabel and GtkImage. This reproduces |
| * the functionality of a GtkImageMenuItem and allows SWT to retain image support |
| * for MenuItems. |
| * |
| * For more information see: |
| * https://developer.gnome.org/gtk3/stable/GtkImageMenuItem.html#GtkImageMenuItem.description |
| * Bug 470298 |
| */ |
| long /*int*/ boxHandle; |
| |
| int accelerator, userId; |
| String toolTipText; |
| |
| /** |
| * Constructs a new instance of this class given its parent |
| * (which must be a <code>Menu</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 menu 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#CHECK |
| * @see SWT#CASCADE |
| * @see SWT#PUSH |
| * @see SWT#RADIO |
| * @see SWT#SEPARATOR |
| * @see Widget#checkSubclass |
| * @see Widget#getStyle |
| */ |
| public MenuItem (Menu parent, int style) { |
| super (parent, checkStyle (style)); |
| this.parent = parent; |
| createWidget (parent.getItemCount ()); |
| } |
| |
| /** |
| * Constructs a new instance of this class given its parent |
| * (which must be a <code>Menu</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 menu 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#CHECK |
| * @see SWT#CASCADE |
| * @see SWT#PUSH |
| * @see SWT#RADIO |
| * @see SWT#SEPARATOR |
| * @see Widget#checkSubclass |
| * @see Widget#getStyle |
| */ |
| public MenuItem (Menu parent, int style, int index) { |
| super (parent, checkStyle (style)); |
| this.parent = parent; |
| int count = parent.getItemCount (); |
| if (!(0 <= index && index <= count)) { |
| error (SWT.ERROR_INVALID_RANGE); |
| } |
| createWidget (index); |
| } |
| |
| void addAccelerator (long /*int*/ accelGroup) { |
| updateAccelerator (accelGroup, true); |
| } |
| |
| void addAccelerators (long /*int*/ accelGroup) { |
| addAccelerator (accelGroup); |
| if (menu != null) menu.addAccelerators (accelGroup); |
| } |
| |
| /** |
| * Adds the listener to the collection of listeners who will |
| * be notified when the arm events are generated for the control, by sending |
| * it one of the messages defined in the <code>ArmListener</code> |
| * interface. |
| * |
| * @param listener the listener which should be notified |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the listener 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> |
| * |
| * @see ArmListener |
| * @see #removeArmListener |
| */ |
| public void addArmListener (ArmListener listener) { |
| checkWidget(); |
| if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); |
| TypedListener typedListener = new TypedListener (listener); |
| addListener (SWT.Arm, typedListener); |
| } |
| |
| /** |
| * Adds the listener to the collection of listeners who will |
| * be notified when the help events are generated for the control, by sending |
| * it one of the messages defined in the <code>HelpListener</code> |
| * interface. |
| * |
| * @param listener the listener which should be notified |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the listener 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> |
| * |
| * @see HelpListener |
| * @see #removeHelpListener |
| */ |
| public void addHelpListener (HelpListener listener) { |
| checkWidget(); |
| if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); |
| TypedListener typedListener = new TypedListener (listener); |
| addListener (SWT.Help, typedListener); |
| } |
| |
| /** |
| * Adds the listener to the collection of listeners who will |
| * be notified when the menu item is selected by the user, by sending |
| * it one of the messages defined in the <code>SelectionListener</code> |
| * interface. |
| * <p> |
| * When <code>widgetSelected</code> is called, the stateMask field of the event object is valid. |
| * <code>widgetDefaultSelected</code> is not called. |
| * </p> |
| * <p> |
| * When the <code>SWT.RADIO</code> style bit is set, the <code>widgetSelected</code> method is |
| * also called when the receiver loses selection because another item in the same radio group |
| * was selected by the user. During <code>widgetSelected</code> the application can use |
| * <code>getSelection()</code> to determine the current selected state of the receiver. |
| * </p> |
| * |
| * @param listener the listener which should be notified when the menu item is selected by the user |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the listener 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> |
| * |
| * @see SelectionListener |
| * @see #removeSelectionListener |
| * @see SelectionEvent |
| */ |
| public void addSelectionListener (SelectionListener listener) { |
| checkWidget(); |
| if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); |
| TypedListener typedListener = new TypedListener(listener); |
| addListener (SWT.Selection,typedListener); |
| addListener (SWT.DefaultSelection,typedListener); |
| } |
| |
| static int checkStyle (int style) { |
| return checkBits (style, SWT.PUSH, SWT.CHECK, SWT.RADIO, SWT.SEPARATOR, SWT.CASCADE, 0); |
| } |
| |
| @Override |
| protected void checkSubclass () { |
| if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS); |
| } |
| |
| @Override |
| void createHandle (int index) { |
| state |= HANDLE; |
| byte [] buffer = new byte [1]; |
| int bits = SWT.CHECK | SWT.RADIO | SWT.PUSH | SWT.SEPARATOR | SWT.CASCADE; |
| switch (style & bits) { |
| case SWT.SEPARATOR: |
| handle = OS.gtk_separator_menu_item_new (); |
| if (handle == 0) error (SWT.ERROR_NO_HANDLES); |
| break; |
| case SWT.RADIO: |
| if (OS.GTK_VERSION <= OS.VERSION (3, 10, 8)) { |
| /* |
| * Bug in Ubuntu <= 14.04 with UBUNTU_MENUPROXY. GTK crashes when |
| * label of radio button is empty, see https://bugs.eclipse.org/419729 . |
| * The workaround is to initialize the label with a space. |
| */ |
| buffer = new byte [] { ' ', 0 }; |
| } |
| /* |
| * Feature in GTK. In GTK, radio button must always be part of |
| * a radio button group. In a GTK radio group, one button is always |
| * selected. This means that it is not possible to have a single |
| * radio button that is unselected. This is necessary to allow |
| * applications to implement their own radio behavior or use radio |
| * buttons outside of radio groups. The fix is to create a hidden |
| * radio button for each radio button we create and add them |
| * to the same group. This allows the visible button to be |
| * unselected. |
| */ |
| groupHandle = OS.gtk_radio_menu_item_new (0); |
| if (groupHandle == 0) error (SWT.ERROR_NO_HANDLES); |
| OS.g_object_ref (groupHandle); |
| OS.g_object_ref_sink (groupHandle); |
| long /*int*/ group = OS.gtk_radio_menu_item_get_group (groupHandle); |
| if (OS.GTK3) { |
| handle = OS.gtk_radio_menu_item_new (group); |
| if (handle == 0) error (SWT.ERROR_NO_HANDLES); |
| |
| labelHandle = OS.gtk_accel_label_new (buffer); |
| if (labelHandle == 0) error (SWT.ERROR_NO_HANDLES); |
| |
| boxHandle = gtk_box_new (OS.GTK_ORIENTATION_HORIZONTAL, false, 6); |
| if (boxHandle == 0) error (SWT.ERROR_NO_HANDLES); |
| |
| if (OS.SWT_PADDED_MENU_ITEMS) { |
| imageHandle = OS.gtk_image_new (); |
| if (imageHandle == 0) error (SWT.ERROR_NO_HANDLES); |
| } |
| } else { // Gtk2 |
| handle = OS.gtk_radio_menu_item_new_with_label (group, buffer); |
| } |
| break; |
| case SWT.CHECK: |
| if (OS.GTK3) { |
| handle = OS.gtk_check_menu_item_new (); |
| if (handle == 0) error (SWT.ERROR_NO_HANDLES); |
| |
| labelHandle = OS.gtk_accel_label_new (buffer); |
| if (labelHandle == 0) error (SWT.ERROR_NO_HANDLES); |
| |
| boxHandle = gtk_box_new (OS.GTK_ORIENTATION_HORIZONTAL, false, 6); |
| if (boxHandle == 0) error (SWT.ERROR_NO_HANDLES); |
| |
| if (OS.SWT_PADDED_MENU_ITEMS) { |
| imageHandle = OS.gtk_image_new (); |
| if (imageHandle == 0) error (SWT.ERROR_NO_HANDLES); |
| } |
| } else { // Gtk2 |
| handle = OS.gtk_check_menu_item_new_with_label (buffer); |
| if (handle == 0) error (SWT.ERROR_NO_HANDLES); |
| } |
| break; |
| // This case now needs to be handled due to double padding. When double padded |
| // menus are used, the "head" menu item (such as File, Edit, Help, etc.) should |
| // not be padded. We only care about this in Gtk3. |
| case SWT.CASCADE: |
| if (OS.GTK3) { |
| handle = OS.gtk_menu_item_new (); |
| if (handle == 0) error (SWT.ERROR_NO_HANDLES); |
| |
| labelHandle = OS.gtk_accel_label_new (buffer); |
| if (labelHandle == 0) error (SWT.ERROR_NO_HANDLES); |
| |
| boxHandle = gtk_box_new (OS.GTK_ORIENTATION_HORIZONTAL, false, 6); |
| if (boxHandle == 0) error (SWT.ERROR_NO_HANDLES); |
| if ((parent.style & bits) == SWT.BAR) { |
| break; |
| } |
| if (OS.SWT_PADDED_MENU_ITEMS) { |
| imageHandle = OS.gtk_image_new (); |
| if (imageHandle == 0) error (SWT.ERROR_NO_HANDLES); |
| } |
| break; |
| } |
| case SWT.PUSH: |
| default: |
| if (OS.GTK3) { |
| handle = OS.gtk_menu_item_new (); |
| if (handle == 0) error (SWT.ERROR_NO_HANDLES); |
| |
| labelHandle = OS.gtk_accel_label_new (buffer); |
| if (labelHandle == 0) error (SWT.ERROR_NO_HANDLES); |
| |
| boxHandle = gtk_box_new (OS.GTK_ORIENTATION_HORIZONTAL, false, 6); |
| if (boxHandle == 0) error (SWT.ERROR_NO_HANDLES); |
| |
| if (OS.SWT_PADDED_MENU_ITEMS) { |
| imageHandle = OS.gtk_image_new (); |
| if (imageHandle == 0) error (SWT.ERROR_NO_HANDLES); |
| } |
| } else { // Gtk2 |
| handle = OS.gtk_image_menu_item_new_with_label (buffer); |
| } |
| break; |
| } |
| if (imageHandle != 0) { |
| if (OS.SWT_PADDED_MENU_ITEMS) { |
| OS.gtk_image_set_pixel_size (imageHandle, 16); |
| } |
| OS.gtk_container_add (boxHandle, imageHandle); |
| OS.gtk_widget_show (imageHandle); |
| } |
| if (labelHandle != 0) { |
| if (OS.GTK_VERSION >= OS.VERSION (3, 16, 0)) { |
| OS.gtk_label_set_xalign (labelHandle, 0); |
| OS.gtk_widget_set_halign (labelHandle, OS.GTK_ALIGN_FILL); |
| } else { |
| OS.gtk_misc_set_alignment(labelHandle, 0, 0); |
| } |
| OS.gtk_box_pack_end (boxHandle, labelHandle, true, true, 0); |
| OS.gtk_widget_show (labelHandle); |
| } |
| if (boxHandle != 0) { |
| OS.gtk_container_add (handle, boxHandle); |
| OS.gtk_widget_show (boxHandle); |
| } |
| if ((style & SWT.SEPARATOR) == 0) { |
| if (boxHandle == 0) { |
| labelHandle = OS.gtk_bin_get_child (handle); |
| } |
| OS.gtk_accel_label_set_accel_widget (labelHandle, 0); |
| } |
| long /*int*/ parentHandle = parent.handle; |
| boolean enabled = OS.gtk_widget_get_sensitive (parentHandle); |
| if (!enabled) OS.gtk_widget_set_sensitive (parentHandle, true); |
| OS.gtk_menu_shell_insert (parentHandle, handle, index); |
| if (!enabled) OS.gtk_widget_set_sensitive (parentHandle, false); |
| OS.gtk_widget_show (handle); |
| } |
| |
| void fixMenus (Decorations newParent) { |
| if (menu != null) menu.fixMenus (newParent); |
| } |
| |
| /** |
| * Returns the widget accelerator. An accelerator is the bit-wise |
| * OR of zero or more modifier masks and a key. Examples: |
| * <code>SWT.CONTROL | SWT.SHIFT | 'T', SWT.ALT | SWT.F2</code>. |
| * The default value is zero, indicating that the menu item does |
| * not have an accelerator. |
| * |
| * @return the accelerator or 0 |
| * |
| * </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 int getAccelerator () { |
| checkWidget(); |
| return accelerator; |
| } |
| |
| long /*int*/ getAccelGroup () { |
| Menu menu = parent; |
| while (menu != null && menu.cascade != null) { |
| menu = menu.cascade.parent; |
| } |
| if (menu == null) return 0; |
| Decorations shell = menu.parent; |
| if (shell == null) return 0; |
| return shell.menuBar == menu ? shell.accelGroup : 0; |
| } |
| |
| /*public*/ Rectangle getBounds () { |
| checkWidget(); |
| if (!gtk_widget_get_mapped (handle)) { |
| return new Rectangle (0, 0, 0, 0); |
| } |
| GtkAllocation allocation = new GtkAllocation (); |
| OS.gtk_widget_get_allocation (handle, allocation); |
| int x = allocation.x; |
| int y = allocation.y; |
| int width = allocation.width; |
| int height = allocation.height; |
| return new Rectangle (x, y, width, height); |
| } |
| |
| /** |
| * Returns <code>true</code> if the receiver is enabled, and |
| * <code>false</code> otherwise. A disabled menu item is typically |
| * not selectable from the user interface and draws with an |
| * inactive or "grayed" look. |
| * |
| * @return the receiver's enabled state |
| * |
| * @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> |
| * |
| * @see #isEnabled |
| */ |
| public boolean getEnabled () { |
| checkWidget(); |
| return OS.gtk_widget_get_sensitive (handle); |
| } |
| |
| /** |
| * Gets the identifier associated with the receiver. |
| * |
| * @return the receiver's identifier |
| * |
| * @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 3.7 |
| */ |
| public int getID () { |
| checkWidget(); |
| return userId; |
| } |
| |
| /** |
| * Returns the receiver's cascade menu if it has one or null |
| * if it does not. Only <code>CASCADE</code> menu items can have |
| * a pull down menu. The sequence of key strokes, button presses |
| * and/or button releases that are used to request a pull down |
| * menu is platform specific. |
| * |
| * @return the receiver's menu |
| * |
| * @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 Menu getMenu () { |
| checkWidget(); |
| return menu; |
| } |
| |
| @Override |
| String getNameText () { |
| if ((style & SWT.SEPARATOR) != 0) return "|"; |
| return super.getNameText (); |
| } |
| |
| /** |
| * Returns the receiver's parent, which must be a <code>Menu</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 Menu getParent () { |
| checkWidget(); |
| return parent; |
| } |
| |
| /** |
| * Returns <code>true</code> if the receiver is selected, |
| * and false otherwise. |
| * <p> |
| * When the receiver is of type <code>CHECK</code> or <code>RADIO</code>, |
| * it is selected when it is checked. |
| * |
| * @return the selection state |
| * |
| * @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 boolean getSelection () { |
| checkWidget(); |
| if ((style & (SWT.CHECK | SWT.RADIO)) == 0) return false; |
| return OS.gtk_check_menu_item_get_active(handle); |
| } |
| |
| /** |
| * 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> |
| * |
| * @since 3.104 |
| */ |
| public String getToolTipText () { |
| checkWidget(); |
| return toolTipText; |
| } |
| |
| @Override |
| long /*int*/ gtk_activate (long /*int*/ widget) { |
| if ((style & SWT.CASCADE) != 0 && menu != null) return 0; |
| /* |
| * Bug in GTK. When an ancestor menu is disabled and |
| * the user types an accelerator key, GTK delivers the |
| * the activate signal even though the menu item cannot |
| * be invoked using the mouse. The fix is to ignore |
| * activate signals when an ancestor menu is disabled. |
| */ |
| if (!isEnabled ()) return 0; |
| if ((style & SWT.RADIO) != 0) { |
| if ((parent.getStyle () & SWT.NO_RADIO_GROUP) == 0) { |
| selectRadio (); |
| } |
| } |
| sendSelectionEvent (SWT.Selection); |
| return 0; |
| } |
| |
| @Override |
| long /*int*/ gtk_select (long /*int*/ item) { |
| parent.selectedItem = this; |
| sendEvent (SWT.Arm); |
| return 0; |
| } |
| |
| @Override |
| long /*int*/ gtk_show_help (long /*int*/ widget, long /*int*/ helpType) { |
| boolean handled = hooks (SWT.Help); |
| if (handled) { |
| postEvent (SWT.Help); |
| } else { |
| handled = parent.sendHelpEvent (helpType); |
| } |
| if (handled) { |
| OS.gtk_menu_shell_deactivate (parent.handle); |
| return 1; |
| } |
| return 0; |
| } |
| |
| @Override |
| void hookEvents () { |
| super.hookEvents (); |
| OS.g_signal_connect_closure (handle, OS.activate, display.getClosure (ACTIVATE), false); |
| OS.g_signal_connect_closure (handle, OS.select, display.getClosure (SELECT), false); |
| OS.g_signal_connect_closure_by_id (handle, display.signalIds [SHOW_HELP], 0, display.getClosure (SHOW_HELP), false); |
| } |
| |
| /** |
| * Returns <code>true</code> if the receiver is enabled and all |
| * of the receiver's ancestors are enabled, and <code>false</code> |
| * otherwise. A disabled menu item is typically not selectable from the |
| * user interface and draws with an inactive or "grayed" look. |
| * |
| * @return the receiver's enabled state |
| * |
| * @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> |
| * |
| * @see #getEnabled |
| */ |
| public boolean isEnabled () { |
| return getEnabled () && parent.isEnabled (); |
| } |
| |
| @Override |
| void releaseChildren (boolean destroy) { |
| if (menu != null) { |
| menu.release (false); |
| menu = null; |
| } |
| super.releaseChildren (destroy); |
| } |
| |
| @Override |
| void releaseParent () { |
| super.releaseParent (); |
| if (menu != null) { |
| if (menu.selectedItem == this) menu.selectedItem = null; |
| menu.dispose (); |
| } |
| menu = null; |
| } |
| |
| @Override |
| void releaseWidget () { |
| super.releaseWidget (); |
| long /*int*/ accelGroup = getAccelGroup (); |
| if (accelGroup != 0) removeAccelerator (accelGroup); |
| if (groupHandle != 0) OS.g_object_unref (groupHandle); |
| groupHandle = 0; |
| accelerator = 0; |
| parent = null; |
| } |
| |
| void removeAccelerator (long /*int*/ accelGroup) { |
| updateAccelerator (accelGroup, false); |
| } |
| |
| void removeAccelerators (long /*int*/ accelGroup) { |
| removeAccelerator (accelGroup); |
| if (menu != null) menu.removeAccelerators (accelGroup); |
| } |
| |
| /** |
| * Removes the listener from the collection of listeners who will |
| * be notified when the arm events are generated for the control. |
| * |
| * @param listener the listener which should no longer be notified |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the listener 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> |
| * |
| * @see ArmListener |
| * @see #addArmListener |
| */ |
| public void removeArmListener (ArmListener listener) { |
| checkWidget(); |
| if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if (eventTable == null) return; |
| eventTable.unhook (SWT.Arm, listener); |
| } |
| |
| /** |
| * Removes the listener from the collection of listeners who will |
| * be notified when the help events are generated for the control. |
| * |
| * @param listener the listener which should no longer be notified |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the listener 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> |
| * |
| * @see HelpListener |
| * @see #addHelpListener |
| */ |
| public void removeHelpListener (HelpListener listener) { |
| checkWidget(); |
| if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if (eventTable == null) return; |
| eventTable.unhook (SWT.Help, listener); |
| } |
| |
| /** |
| * Removes the listener from the collection of listeners who will |
| * be notified when the control is selected by the user. |
| * |
| * @param listener the listener which should no longer be notified |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the listener 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> |
| * |
| * @see SelectionListener |
| * @see #addSelectionListener |
| */ |
| public void removeSelectionListener (SelectionListener listener) { |
| checkWidget(); |
| if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if (eventTable == null) return; |
| eventTable.unhook (SWT.Selection, listener); |
| eventTable.unhook (SWT.DefaultSelection,listener); |
| } |
| @Override |
| void reskinChildren (int flags) { |
| if (menu != null) { |
| menu.reskin (flags); |
| } |
| super.reskinChildren (flags); |
| } |
| void selectRadio () { |
| int index = 0; |
| MenuItem [] items = parent.getItems (); |
| while (index < items.length && items [index] != this) index++; |
| int i = index - 1; |
| while (i >= 0 && items [i].setRadioSelection (false)) --i; |
| int j = index + 1; |
| while (j < items.length && items [j].setRadioSelection (false)) j++; |
| setSelection (true); |
| } |
| /** |
| * Sets the widget accelerator. An accelerator is the bit-wise |
| * OR of zero or more modifier masks and a key. Examples: |
| * <code>SWT.MOD1 | SWT.MOD2 | 'T', SWT.MOD3 | SWT.F2</code>. |
| * <code>SWT.CONTROL | SWT.SHIFT | 'T', SWT.ALT | SWT.F2</code>. |
| * The default value is zero, indicating that the menu item does |
| * not have an accelerator. |
| * |
| * @param accelerator an integer that is the bit-wise OR of masks and a key |
| * |
| * </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 setAccelerator (int accelerator) { |
| checkWidget(); |
| if (this.accelerator == accelerator) return; |
| long /*int*/ accelGroup = getAccelGroup (); |
| if (accelGroup != 0) removeAccelerator (accelGroup); |
| this.accelerator = accelerator; |
| if (accelGroup != 0) addAccelerator (accelGroup); |
| } |
| |
| /** |
| * Enables the receiver if the argument is <code>true</code>, |
| * and disables it otherwise. A disabled menu item is typically |
| * not selectable from the user interface and draws with an |
| * inactive or "grayed" look. |
| * |
| * @param enabled the new enabled state |
| * |
| * @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 setEnabled (boolean enabled) { |
| checkWidget(); |
| if (OS.gtk_widget_get_sensitive (handle) == enabled) return; |
| long /*int*/ accelGroup = getAccelGroup (); |
| if (accelGroup != 0) removeAccelerator (accelGroup); |
| OS.gtk_widget_set_sensitive (handle, enabled); |
| if (accelGroup != 0) addAccelerator (accelGroup); |
| } |
| |
| /** |
| * Sets the identifier associated with the receiver to the argument. |
| * |
| * @param id the new identifier. This must be a non-negative value. System-defined identifiers are negative values. |
| * |
| * @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> |
| * <li>ERROR_INVALID_ARGUMENT - if called with an negative-valued argument.</li> |
| * </ul> |
| * |
| * @since 3.7 |
| */ |
| public void setID (int id) { |
| checkWidget(); |
| if (id < 0) error(SWT.ERROR_INVALID_ARGUMENT); |
| userId = id; |
| } |
| |
| /** |
| * Sets the receiver's image to the argument, which may be |
| * null indicating that no image should be displayed. |
| * <p> |
| * Note: This operation is a hint and is not supported on |
| * platforms that do not have this concept (for example, Windows NT). |
| * Furthermore, some platforms (such as GTK2), cannot display both |
| * a check box and an image at the same time. Instead, they hide |
| * the image and display the check box. GTK3 MenuItems behave differently |
| * and now support images alongside check boxes. |
| * </p> |
| * |
| * @param image the image to display on the receiver (may be 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> |
| */ |
| @Override |
| public void setImage (Image image) { |
| checkWidget(); |
| if ((style & SWT.SEPARATOR) != 0) return; |
| 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); |
| } |
| long /*int*/ pixbuf = imageList.getPixbuf (imageIndex); |
| if (OS.GTK3) { |
| if (!OS.GTK_IS_MENU_ITEM (handle)) return; |
| if (OS.SWT_PADDED_MENU_ITEMS && imageHandle != 0) { |
| OS.gtk_image_set_from_pixbuf(imageHandle, pixbuf); |
| } else { |
| if (imageHandle == 0 && boxHandle != 0) { |
| imageHandle = OS.gtk_image_new_from_pixbuf (pixbuf); |
| OS.gtk_container_add (boxHandle, imageHandle); |
| OS.gtk_box_reorder_child (boxHandle, imageHandle, 0); |
| } else { |
| OS.gtk_image_set_from_pixbuf(imageHandle, pixbuf); |
| } |
| if (boxHandle == 0) error (SWT.ERROR_NO_HANDLES); |
| } |
| } else { |
| if (!OS.GTK_IS_IMAGE_MENU_ITEM (handle)) return; |
| imageHandle = OS.gtk_image_new_from_pixbuf (pixbuf); |
| OS.gtk_image_menu_item_set_image (handle, imageHandle); |
| } |
| if (imageHandle == 0) error (SWT.ERROR_NO_HANDLES); |
| OS.gtk_widget_show (imageHandle); |
| } else { |
| if (OS.GTK3) { |
| if (imageHandle != 0 && boxHandle != 0) { |
| if (OS.SWT_PADDED_MENU_ITEMS) { |
| OS.gtk_container_remove(boxHandle, imageHandle); |
| imageHandle = OS.gtk_image_new (); |
| if (imageHandle == 0) error (SWT.ERROR_NO_HANDLES); |
| OS.gtk_image_set_pixel_size (imageHandle, 16); |
| OS.gtk_container_add (boxHandle, imageHandle); |
| OS.gtk_widget_show (imageHandle); |
| } else { |
| OS.gtk_container_remove(boxHandle, imageHandle); |
| imageHandle = 0; |
| } |
| } |
| } else { |
| if (!OS.GTK_IS_IMAGE_MENU_ITEM (handle)) return; |
| OS.gtk_image_menu_item_set_image (handle, 0); |
| } |
| } |
| } |
| |
| /** |
| * Sets the receiver's pull down menu to the argument. |
| * Only <code>CASCADE</code> menu items can have a |
| * pull down menu. The sequence of key strokes, button presses |
| * and/or button releases that are used to request a pull down |
| * menu is platform specific. |
| * <p> |
| * Note: Disposing of a menu item that has a pull down menu |
| * will dispose of the menu. To avoid this behavior, set the |
| * menu to null before the menu item is disposed. |
| * </p> |
| * |
| * @param menu the new pull down menu |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_MENU_NOT_DROP_DOWN - if the menu is not a drop down menu</li> |
| * <li>ERROR_MENUITEM_NOT_CASCADE - if the menu item is not a <code>CASCADE</code></li> |
| * <li>ERROR_INVALID_ARGUMENT - if the menu has been disposed</li> |
| * <li>ERROR_INVALID_PARENT - if the menu 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 setMenu (Menu menu) { |
| checkWidget (); |
| |
| /* Check to make sure the new menu is valid */ |
| if ((style & SWT.CASCADE) == 0) { |
| error (SWT.ERROR_MENUITEM_NOT_CASCADE); |
| } |
| if (menu != null) { |
| if ((menu.style & SWT.DROP_DOWN) == 0) { |
| error (SWT.ERROR_MENU_NOT_DROP_DOWN); |
| } |
| if (menu.parent != parent.parent) { |
| error (SWT.ERROR_INVALID_PARENT); |
| } |
| } |
| |
| /* Assign the new menu */ |
| Menu oldMenu = this.menu; |
| if (oldMenu == menu) return; |
| long /*int*/ accelGroup = getAccelGroup (); |
| if (accelGroup != 0) removeAccelerators (accelGroup); |
| if (oldMenu != null) { |
| oldMenu.cascade = null; |
| /* |
| * Add a reference to the menu we are about |
| * to replace or GTK will destroy it. |
| */ |
| OS.g_object_ref (oldMenu.handle); |
| OS.gtk_menu_item_set_submenu (handle, 0); |
| } |
| if ((this.menu = menu) != null) { |
| menu.cascade = this; |
| OS.gtk_menu_item_set_submenu (handle, menu.handle); |
| } |
| if (accelGroup != 0) addAccelerators (accelGroup); |
| } |
| |
| @Override |
| void setOrientation (boolean create) { |
| super.setOrientation (create); |
| if ((parent.style & SWT.RIGHT_TO_LEFT) != 0 || !create) { |
| int dir = (parent.style & SWT.RIGHT_TO_LEFT) != 0 ? OS.GTK_TEXT_DIR_RTL : OS.GTK_TEXT_DIR_LTR; |
| OS.gtk_widget_set_direction (handle, dir); |
| OS.gtk_container_forall (handle, display.setDirectionProc, dir); |
| if (menu != null) menu._setOrientation (parent.style & (SWT.RIGHT_TO_LEFT | SWT.LEFT_TO_RIGHT)); |
| } |
| } |
| |
| boolean setRadioSelection (boolean value) { |
| if ((style & SWT.RADIO) == 0) return false; |
| if (getSelection () != value) { |
| setSelection (value); |
| sendSelectionEvent (SWT.Selection); |
| } |
| return true; |
| } |
| |
| /** |
| * Sets the selection state of the receiver. |
| * <p> |
| * When the receiver is of type <code>CHECK</code> or <code>RADIO</code>, |
| * it is selected when it is checked. |
| * |
| * @param selected the new selection state |
| * |
| * @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 setSelection (boolean selected) { |
| checkWidget(); |
| if ((style & (SWT.CHECK | SWT.RADIO)) == 0) return; |
| OS.g_signal_handlers_block_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, ACTIVATE); |
| OS.gtk_check_menu_item_set_active (handle, selected); |
| if ((style & SWT.RADIO) != 0) OS.gtk_check_menu_item_set_active (groupHandle, !selected); |
| OS.g_signal_handlers_unblock_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, ACTIVATE); |
| } |
| |
| /** |
| * Sets the receiver's text. The string may include |
| * the mnemonic character and accelerator text. |
| * <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> |
| * <p> |
| * Accelerator text is indicated by the '\t' character. |
| * On platforms that support accelerator text, the text |
| * that follows the '\t' character is displayed to the user, |
| * typically indicating the key stroke that will cause |
| * the item to become selected. On most platforms, the |
| * accelerator text appears right aligned in the menu. |
| * Setting the accelerator text does not install the |
| * accelerator key sequence. The accelerator key sequence |
| * is installed using #setAccelerator. |
| * </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> |
| * |
| * @see #setAccelerator |
| */ |
| @Override |
| public void setText (String string) { |
| checkWidget(); |
| if (string == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if ((style & SWT.SEPARATOR) != 0) return; |
| if (text.equals (string)) return; |
| super.setText (string); |
| String accelString = ""; |
| int index = string.indexOf ('\t'); |
| if (index != -1) { |
| boolean isRTL = (parent.style & SWT.RIGHT_TO_LEFT) != 0; |
| accelString = (isRTL? "" : " ") + string.substring (index+1, string.length()) + (isRTL? " " : ""); |
| string = string.substring (0, index); |
| } |
| char [] chars = fixMnemonic (string); |
| byte [] buffer = Converter.wcsToMbcs (null, chars, true); |
| if (boxHandle == 0 && !OS.GTK3) { |
| labelHandle = OS.gtk_bin_get_child (handle); |
| } |
| if (labelHandle != 0 && OS.GTK_IS_LABEL (labelHandle)) { |
| OS.gtk_label_set_text_with_mnemonic (labelHandle, buffer); |
| if (OS.GTK_IS_ACCEL_LABEL (labelHandle)) { |
| if (OS.GTK3) { |
| if (OS.GTK_VERSION >= OS.VERSION(3, 6, 0)) { |
| MaskKeysym maskKeysym = getMaskKeysym(); |
| if (maskKeysym != null) { |
| OS.gtk_accel_label_set_accel_widget (labelHandle, handle); |
| OS.gtk_accel_label_set_accel (labelHandle, |
| maskKeysym.keysym, maskKeysym.mask); |
| } |
| } else { |
| setAccelLabel (labelHandle, accelString); |
| } |
| } else { |
| setAccelLabel (labelHandle, accelString); |
| } |
| // A workaround for Ubuntu Unity global menu |
| OS.g_signal_emit_by_name(handle, OS.accel_closures_changed); |
| } |
| } |
| } |
| |
| private void setAccelLabel(long /*int*/ label, String accelString) { |
| byte[] buffer = Converter.wcsToMbcs (null, accelString, true); |
| long /*int*/ ptr = OS.g_malloc (buffer.length); |
| OS.memmove (ptr, buffer, buffer.length); |
| long /*int*/ oldPtr = OS.GTK_ACCEL_LABEL_GET_ACCEL_STRING (label); |
| OS.GTK_ACCEL_LABEL_SET_ACCEL_STRING (label, ptr); |
| if (oldPtr != 0) OS.g_free (oldPtr); |
| } |
| |
| /** |
| * 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 menu item that has a default |
| * tool tip, 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> |
| * <p> |
| * NOTE: Tooltips are currently not shown for top-level menu items in the |
| * {@link Shell#setMenuBar(Menu) shell menubar} on Windows, Mac, and Ubuntu Unity desktop. |
| * </p> |
| * @param toolTip 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> |
| * |
| * @since 3.104 |
| */ |
| public void setToolTipText (String toolTip) { |
| checkWidget(); |
| if (toolTip != null && (toolTip.trim().length() == 0 || toolTip.equals (toolTipText))) return; |
| |
| this.parent.getShell().setToolTipText (handle, (toolTipText = toolTip)); |
| } |
| |
| void updateAccelerator (long /*int*/ accelGroup, boolean add) { |
| if (accelerator == 0 || !getEnabled ()) return; |
| if ((accelerator & SWT.COMMAND) != 0) return; |
| int mask = 0; |
| if ((accelerator & SWT.ALT) != 0) mask |= OS.GDK_MOD1_MASK; |
| if ((accelerator & SWT.SHIFT) != 0) mask |= OS.GDK_SHIFT_MASK; |
| if ((accelerator & SWT.CONTROL) != 0) mask |= OS.GDK_CONTROL_MASK; |
| int keysym = accelerator & SWT.KEY_MASK; |
| int newKey = Display.untranslateKey (keysym); |
| if (newKey != 0) { |
| keysym = newKey; |
| } else { |
| switch (keysym) { |
| case '\r': keysym = OS.GDK_Return; break; |
| default: keysym = Display.wcsToMbcs ((char) keysym); |
| } |
| } |
| /* When accel_key is zero, it causes GTK warnings */ |
| if (keysym != 0) { |
| if (add) { |
| OS.gtk_widget_add_accelerator (handle, OS.activate, accelGroup, keysym, mask, OS.GTK_ACCEL_VISIBLE); |
| } else { |
| OS.gtk_widget_remove_accelerator (handle, accelGroup, keysym, mask); |
| } |
| } |
| } |
| |
| private class MaskKeysym { |
| int mask = 0; |
| int keysym = 0; |
| } |
| |
| private MaskKeysym getMaskKeysym() { |
| if (text == null) return null; |
| MaskKeysym maskKeysym = new MaskKeysym(); |
| int accelIndex = text.indexOf ('\t'); |
| if (accelIndex == -1) return null; |
| int start = accelIndex + 1; |
| int plusIndex = text.indexOf('+', start); |
| while (plusIndex != -1) { |
| String maskStr = text.substring(start, plusIndex); |
| if (maskStr.equals("Ctrl")) maskKeysym.mask |= OS.GDK_CONTROL_MASK; |
| if (maskStr.equals("Shift")) maskKeysym.mask |= OS.GDK_SHIFT_MASK; |
| if (maskStr.equals("Alt")) maskKeysym.mask |= OS.GDK_MOD1_MASK; |
| start = plusIndex + 1; |
| plusIndex = text.indexOf('+', start); |
| } |
| if ("Enter".equals(text.substring(start))) { |
| maskKeysym.keysym = OS.GDK_ISO_Enter; |
| } |
| switch (text.length() - start) { |
| case 1: |
| maskKeysym.keysym = text.charAt(start); |
| maskKeysym.keysym = Display.wcsToMbcs ((char) maskKeysym.keysym); |
| break; |
| case 2: |
| if (text.charAt(start) == 'F') { |
| switch (text.charAt(start + 1)) { |
| case '1': maskKeysym.keysym = OS.GDK_F1; break; |
| case '2': maskKeysym.keysym = OS.GDK_F2; break; |
| case '3': maskKeysym.keysym = OS.GDK_F3; break; |
| case '4': maskKeysym.keysym = OS.GDK_F4; break; |
| case '5': maskKeysym.keysym = OS.GDK_F5; break; |
| case '6': maskKeysym.keysym = OS.GDK_F6; break; |
| case '7': maskKeysym.keysym = OS.GDK_F7; break; |
| case '8': maskKeysym.keysym = OS.GDK_F8; break; |
| case '9': maskKeysym.keysym = OS.GDK_F9; break; |
| } |
| } |
| break; |
| case 3: |
| if (text.charAt(start) == 'F' && text.charAt(start + 1) == '1') { |
| switch (text.charAt(start + 2)) { |
| case '0': maskKeysym.keysym = OS.GDK_F10; break; |
| case '1': maskKeysym.keysym = OS.GDK_F11; break; |
| case '2': maskKeysym.keysym = OS.GDK_F12; break; |
| case '3': maskKeysym.keysym = OS.GDK_F13; break; |
| case '4': maskKeysym.keysym = OS.GDK_F14; break; |
| case '5': maskKeysym.keysym = OS.GDK_F15; break; |
| } |
| } |
| break; |
| } |
| return maskKeysym; |
| } |
| boolean updateAcceleratorText (boolean show) { |
| if (accelerator != 0) return false; |
| MaskKeysym maskKeysym = null; |
| if (show) { |
| maskKeysym = getMaskKeysym(); |
| } |
| if (maskKeysym == null) return true; |
| if (maskKeysym.keysym != 0) { |
| long /*int*/ accelGroup = getAccelGroup (); |
| if (show) { |
| OS.gtk_widget_add_accelerator (handle, OS.activate, accelGroup, maskKeysym.keysym, maskKeysym.mask, OS.GTK_ACCEL_VISIBLE); |
| } else { |
| OS.gtk_widget_remove_accelerator (handle, accelGroup, maskKeysym.keysym, maskKeysym.mask); |
| } |
| } |
| return maskKeysym.keysym != 0; |
| } |
| |
| } |