Esempio n. 1
0
 static long /*int*/ MenuItemSelectedProc(long /*int*/ widget, long /*int*/ user_data) {
   Display display = Display.getCurrent();
   ToolItem item = (ToolItem) display.getWidget(user_data);
   if (item != null) {
     return item.getParent().menuItemSelected(widget, item);
   }
   return 0;
 }
Esempio n. 2
0
 /**
  * Returns the default menu item or null if none has been previously set.
  *
  * @return the default menu item.
  *     </ul>
  *
  * @exception SWTException
  *     <ul>
  *       <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed
  *       <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
  *     </ul>
  */
 public MenuItem getDefaultItem() {
   checkWidget();
   int actionHandle = OS.QMenu_defaultAction(handle);
   Widget widget = Display.getWidget(actionHandle);
   if (widget != null) {
     if (MenuItem.class.isInstance(widget)) return (MenuItem) widget;
   }
   return null;
 }
Esempio n. 3
0
 /**
  * Returns the item at the given, zero-relative index in the receiver. Throws an exception if the
  * index is out of range.
  *
  * @param index the index of the item to return
  * @return the item at the given index
  * @exception IllegalArgumentException
  *     <ul>
  *       <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the
  *           list minus 1 (inclusive)
  *     </ul>
  *
  * @exception SWTException
  *     <ul>
  *       <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed
  *       <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
  *     </ul>
  */
 public MenuItem getItem(int index) {
   checkWidget();
   if (index < 0) error(SWT.ERROR_INVALID_RANGE);
   int[] actions = OS.QWidget_actions(handle);
   int indexOfLastMenuItem = -1;
   MenuItem itemAtIndex = null;
   for (int i = 0; i < actions.length; ++i) {
     Widget widget = Display.getWidget(actions[i]);
     if (widget != null && widget instanceof MenuItem) {
       if (++indexOfLastMenuItem == index) {
         itemAtIndex = (MenuItem) widget;
         break;
       }
     }
   }
   if (index > indexOfLastMenuItem) {
     error(SWT.ERROR_INVALID_RANGE);
   }
   return itemAtIndex;
 }
Esempio n. 4
0
 /**
  * Returns a (possibly empty) array of <code>MenuItem</code>s which are the items in the receiver.
  *
  * <p>Note: This is not the actual structure used by the receiver to maintain its list of items,
  * so modifying the array will not affect the receiver.
  *
  * @return the items in the receiver
  * @exception SWTException
  *     <ul>
  *       <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed
  *       <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
  *     </ul>
  */
 public MenuItem[] getItems() {
   checkWidget();
   int[] handles = OS.QWidget_actions(handle);
   int count = handles.length;
   if (count == 0) return new MenuItem[0];
   MenuItem[] children = new MenuItem[count];
   int items = 0;
   for (int i = 0; i < count; ++i) {
     int handle = handles[i];
     if (handle != 0) {
       Widget widget = Display.getWidget(handle);
       if (widget != null && widget != this) {
         if (widget instanceof MenuItem) {
           children[items++] = (MenuItem) widget;
         }
       }
     }
   }
   if (items == count) return children;
   MenuItem[] newChildren = new MenuItem[items];
   System.arraycopy(children, 0, newChildren, 0, items);
   return newChildren;
 }