[Feat]: terminate connection in clashtui

[Jackhr-arch]

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Describe the solution

Search, find and terminate connection in clashtui terminal user interface

Related to #33

[Jackhr-arch]

Do you have any suggestions on creating a timer, or we just manually refresh the connection infos? @JohanChane

[JohanChane]

Do you have any suggestions on creating a timer, or we just manually refresh the connection infos? @JohanChane

I think using a timer would be better. I have no recommendations for the timer.

[Jackhr-arch]

This tab is basically ok. @JohanChane I use ratatui::widgets::Table to display basic infos, r to refresh infos. One press Enter on one item turns on the extra infos dialog (Not yet done), with another Enter to terminate this connection.

NOTE: Currently, user have to do manually refresh. NOTE: This table has no style now, you can do some design.

About search function, I'm not gonna to do it now.

About other things.

• Now terminal should be able to recover to normal even after panic.
• Gonna to replace MsgPopup with ConfirmPopup to reduce some data usage.
• Current get_connections in impl_conn.rs return a fixed vector, don't get confused by this.

About the timer and #36 , I won't do it before other things are done