6 对话框简介................................................................................................................................................................107 6.1 对话框的用途...............................................................................................................................................107 6.2 对话框的结构...............................................................................................................................................110 6.3 创建 Motif 对话框......................................................................................................................................111 6.3.1 对话框头文件.......................................................................................................................................112 6.3.2 创建对话框....................................................................................................................................112 6.3.3 设置资源....................................................................................................................................113 6.3.4 对话框管理....................................................................................................................................114 6.3.5 关闭对话框....................................................................................................................................118 6.3.6 概括对话框创建....................................................................................................................................119 6.4 对话框资源....................................................................................................................................................120 6.4.1 默认按钮................................................................................................................................120 6.4.2 初始键盘焦点....................................................................................................................122 6.4.3 按钮大小...............................................................................................................................122 6.4.4 对话框标题...............................................................................................................................123 6.4.5 对话框大小调整.......................................................................................................................123 6.4.6 对话框字体.......................................................................................................................124 6.5 对话框回调例程....................................................................................................................124 6.6 穿透对话框抽象....................................................................................................................127 6.6.1 便利例程....................................................................................................................127 6.6.2 DialogShell......................................................................................................................128 6.6.3 内部小部件...............................................................................................................................130 6.7 对话框模态........................................................................................................................................131 6.7.1 实现模态对话框.......................................................................................................................133 6.7.2 强制立即响应....................................................................................................................................136 6.8 总结......................................................................................................................................................142