本文整理了Java中org.eclipse.swt.widgets.Tree.gtk_expose_event()方法的一些代码示例，展示了Tree.gtk_expose_event()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Tree.gtk_expose_event()方法的具体详情如下：
包路径：org.eclipse.swt.widgets.Tree
类名称：Tree
方法名：gtk_expose_event

Tree.gtk_expose_event介绍

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代码示例

代码示例来源：origin: org.eclipse.platform/org.eclipse.swt.gtk.linux.ppc

@Override
int /*long*/ gtk_event_after (int /*long*/ widget, int /*long*/ gdkEvent) {
  switch (OS.GDK_EVENT_TYPE (gdkEvent)) {
    case OS.GDK_EXPOSE: {
      /*
      * Bug in GTK. SWT connects the expose-event 'after' the default
      * handler of the signal. If the tree has no children, then GTK
      * sends expose signal only 'before' the default signal handler.
      * The fix is to detect this case in 'event_after' and send the
      * expose event.
      */
      if (OS.gtk_tree_model_iter_n_children (modelHandle, 0) == 0) {
        gtk_expose_event (widget, gdkEvent);
      }
      break;
    }
  }
  return super.gtk_event_after (widget, gdkEvent);
}

代码示例来源：origin: org.eclipse.platform/org.eclipse.swt.gtk.aix.ppc

@Override
int /*long*/ gtk_event_after (int /*long*/ widget, int /*long*/ gdkEvent) {
  switch (OS.GDK_EVENT_TYPE (gdkEvent)) {
    case OS.GDK_EXPOSE: {
      /*
      * Bug in GTK. SWT connects the expose-event 'after' the default
      * handler of the signal. If the tree has no children, then GTK
      * sends expose signal only 'before' the default signal handler.
      * The fix is to detect this case in 'event_after' and send the
      * expose event.
      */
      if (OS.gtk_tree_model_iter_n_children (modelHandle, 0) == 0) {
        gtk_expose_event (widget, gdkEvent);
      }
      break;
    }
  }
  return super.gtk_event_after (widget, gdkEvent);
}

代码示例来源：origin: org.eclipse.platform/org.eclipse.swt.gtk.linux.s390x

@Override
long /*int*/ gtk_event_after (long /*int*/ widget, long /*int*/ gdkEvent) {
  switch (OS.GDK_EVENT_TYPE (gdkEvent)) {
    case OS.GDK_EXPOSE: {
      /*
      * Bug in GTK. SWT connects the expose-event 'after' the default
      * handler of the signal. If the tree has no children, then GTK
      * sends expose signal only 'before' the default signal handler.
      * The fix is to detect this case in 'event_after' and send the
      * expose event.
      */
      if (OS.gtk_tree_model_iter_n_children (modelHandle, 0) == 0) {
        gtk_expose_event (widget, gdkEvent);
      }
      break;
    }
  }
  return super.gtk_event_after (widget, gdkEvent);
}