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url-mode: underline URLs using the color from colors.urls

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This is implemented by allocating one of the (few!) remaining bits in
the cells’ attribute struct to indicate the cell should be “URL
highlighted”.

render_cell() looks at this bit and draws an underline using the color
from colors.urls (defaults to regular3 - i.e. yellow).

A new function, url_tag_cells(), iterates the currently detected URLs
and sets the new ‘url’ attribute flag on the affected cells.

Note: this is done in a separate function to keep urls_collect() free
from as many dependencies as possible.

urls_reset() is updated to *clear* the ‘url’ flag (and thus implicitly
also results in a grid refresh, _if_ there were any URLs).

We now exit URL mode on *any* client application input. This needs to
be so since we can’t know if the URLs we previously detected are still
valid.
This commit is contained in:
Daniel Eklöf 2021-02-06 11:51:58 +01:00
parent 6726494f4c
commit 2c10a147ea
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6 changed files with 61 additions and 1 deletions
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url-mode.h
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@ -12,6 +12,7 @@ static inline bool urls_mode_is_active(const struct terminal *term)
}
void urls_collect(struct terminal *term, enum url_action action);
void urls_tag_cells(struct terminal *term);
void urls_reset(struct terminal *term);
void urls_input(struct seat *seat, struct terminal *term, uint32_t key,