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
一、
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. set the function to be executed on pressing right or left soft key. 设置按下左右软件的执行函数; 8. set ……