Add detection of CTRL modifier to mouse events

[tombh]

I'm new to the codebase, so not sure if this is the correct approach. Also, could be worth adding SHIFT and META to, but they're generally already intercepted by terminals.

[nsf]

Will test it out this weekend. Also winapi version needs to be implemented.

[nsf]

I'm really not sure about this. I mean I don't mind adding control modifier for mouse, but it can be confusing, because keyboard input doesn't use it, it has separate consts for ctrl keys. People may get confused due to that. So, I don't know. I'll think about that a bit more.

[tombh]

Fair point. My only suggestion would be to use a separate const {} block to define the mouse-specific constants ModMotion and ModCtrl just to add a measure of separation of concerns. The occurrence of ModCtrl in parse_mouse_event() is pretty unambiguous though wouldn't you say?

[nsf]

Hm, or maybe I can just rename the modifier to something like ModMouseCtrl

[tombh]

Perfect!

[nsf]

Sorry for not looking into it, I'm super busy and doing a pass on my open source projects issues requires a full day. I don't have one right now.

I will add mouse modifiers sooner or later for sure, so if you really need that feature, just keep it in your own fork for now.