Remove welcome screen.
Get operator set of path and cut.

Signed-off-by: CyberZHG <CyberZHG@gmail.com>
Add time config dialog of qualitative analysis.

Signed-off-by: CyberZHG <CyberZHG@gmail.com>
Add time control for qualitative analysis.

Signed-off-by: CyberZHG <CyberZHG@gmail.com>