Пример #1
0
 /**
  * Sets the receiver's text. 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, a selection event occurs. 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.
  *
  * @param string the new text
  * @exception IllegalArgumentException
  *     <ul>
  *       <li>ERROR_NULL_ARGUMENT - if the text is null
  *     </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 void setText(String string) {
   checkWidget();
   if (string == null) error(SWT.ERROR_NULL_ARGUMENT);
   if ((style & SWT.SEPARATOR) != 0) return;
   if (string.equals(this.text)) return;
   super.setText(string);
   if (labelHandle == 0) return;
   char[] chars = fixMnemonic(string);
   byte[] buffer = Converter.wcsToMbcs(null, chars, true);
   OS.gtk_label_set_text_with_mnemonic(labelHandle, buffer);
   if ((style & SWT.DROP_DOWN) != 0 && OS.GTK_VERSION < OS.VERSION(2, 6, 0)) {
     if (string.length() != 0) {
       OS.gtk_widget_show(labelHandle);
     } else {
       OS.gtk_widget_hide(labelHandle);
     }
   }
   /*
    * If Text/Image of a tool-item changes, then it is
    * required to reset the proxy menu. Otherwise, the
    * old menuItem appears in the overflow menu.
    */
   if ((style & SWT.DROP_DOWN) != 0) {
     proxyMenuItem = 0;
     proxyMenuItem = OS.gtk_tool_item_retrieve_proxy_menu_item(handle);
     OS.g_signal_connect(
         proxyMenuItem, OS.activate, ToolBar.menuItemSelectedFunc.getAddress(), handle);
   }
   parent.relayout();
 }
Пример #2
0
 public void setText(String string) {
   super.setText(string);
   byte[] buffer = Converter.wcsToMbcs(null, string, true);
   OS.gtk_label_set_text(labelHandle, buffer);
 }