Add actions to select the next/previous image when the scroll is done at the bottom/top edges

[jonathanpoelen]

The new actions are:

• scroll_down_or_next_img, key P
• scroll_up_or_prev_img, key N
• scroll_down_page_or_next_img, key Ctrl+P
• scroll_up_page_or_prev_img, key Ctrl+N

[derf]

Is this for a comic viewer use case? In that case, is it perhaps better to instead add an option that changes the behaviour of the standard movement keys to switch images when reaching the border?

I'm not sure about this myself, so your opinion would be appreciated :)

[jonathanpoelen]

Is this for a comic viewer use case?

Yes, combinated with #278 (--begin-top option).

A comic viewer mode is a good idea, but I usually 2 auxiliary modes for which I use a html viewer (less responsive but faster to do :/):

• double page (scroll down, top, scroll down, next image)
• vertical mode (the images are opened like a huge vertical image), when the images are cut randomly.

As well as shortcuts to go from one mode to another, jump X pages (1, 5, 12, 30, 100) and consider that a certain number of pixels are not part of the image, even if it remains, for example, 10 pixels of scroll.

I think the single and double page modes are the most interesting to have (-c, --comic, --double-page ?). I can do it if you interested.