资料介绍
MTK窗口绘制机制
关于窗体(category screen)
mtk的控件和窗体绘制机制以及控件、窗体的事件响应机制
1. entryfunction
在文档里面我们看到下面的条款:
以下引自:write applications using pixtel MMI platform.pdf
Before display the new screen over previous screen the following must be
executed:
1. save the contents of previous screen.
保存前面那个窗体的内容;
2. get the buffer to store the contents of screen to displayed.
获得足够的缓存空间来保存当前要显示的窗体的内容。
3. get display attribute for the following screen, i.e. item to display
as lists, circular menu etc.
获得下一个要显示的窗体的属性;
4. retrieve number of submenu items to be displayed.
获取要显示的子菜单条目的个数;
5. set the parent of new screen to be displayed.
设置要被显示的新窗体的父窗体;
6. set the submenu item to be displayed highlighted, on next screen.
设置下一级子菜单要被高亮显示的条目;
7. se