原创 assignment editor 颜色指示（来自quartus ii handbook ）

The color of the text in each row indicates if the assignment is incomplete, disabled, non-editable, or contains errors or warnings .

最好自己改改，在tool------option中。

1 约束不完整，2被禁用了，3不可编辑的，4包含错误，5包含警告

1绿色                                    可以创建一个新的指派

2深黄色                                包含警告，例如位置的节点名

3深红色                                 指派不全（一般都是这个颜色）

4红色                                      指派有错误，例如非法值      

5 浅灰色                                 指派是不可编辑的，或者是禁用的或者是turn off了

6 灰色                                     指派不可编辑，只读的

Green A new assignment can be created
Dark Yellow The assignment contains warnings, such as unknown node name
Dark Red The assignment is incomplete
Red The assignment has an error, such as an illegal value
Light Gray The assignment is disabled or turned off
Gray The assignment is non-editable or read-only