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Better UTF-8 support, including combined characters. Unicode data is now stored

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as UTF-8 in a separate array, the code does a lookup into this every time it
gets to a UTF-8 cell. Zero width characters are just appended onto the UTF-8
data for the previous cell. This also means that almost no bytes extra are
wasted non-Unicode data (yay).

Still some oddities, such as copy mode skips over wide characters in a strange
way, and the code could do with some tidying.
This commit is contained in:
Nicholas Marriott
2009-03-28 20:17:29 +00:00
parent 34dd72f008
commit cf7b384c43
12 changed files with 364 additions and 226 deletions
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32
grid-view.c
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@@ -1,4 +1,4 @@
/* $Id: grid-view.c,v 1.10 2009-03-28 16:57:03 nicm Exp $ */
/* $Id: grid-view.c,v 1.11 2009-03-28 20:17:29 nicm Exp $ */
/*
* Copyright (c) 2008 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -37,13 +37,6 @@ grid_view_peek_cell(struct grid *gd, u_int px, u_int py)
return (grid_peek_cell(gd, grid_view_x(gd, px), grid_view_y(gd, py)));
}
/* Get cell text. */
uint64_t
grid_view_peek_text(struct grid *gd, u_int px, u_int py)
{
return (grid_peek_text(gd, grid_view_x(gd, px), grid_view_y(gd, py)));
}
/* Get cell for writing. */
struct grid_cell *
grid_view_get_cell(struct grid *gd, u_int px, u_int py)
@@ -59,11 +52,26 @@ grid_view_set_cell(
grid_set_cell(gd, grid_view_x(gd, px), grid_view_y(gd, py), gc);
}
/* Set text. */
void
grid_view_set_text(struct grid *gd, u_int px, u_int py, uint64_t text)
/* Get UTF-8 for reading. */
const struct grid_utf8 *
grid_view_peek_utf8(struct grid *gd, u_int px, u_int py)
{
grid_set_text(gd, grid_view_x(gd, px), grid_view_y(gd, py), text);
return (grid_peek_utf8(gd, grid_view_x(gd, px), grid_view_y(gd, py)));
}
/* Get UTF-8 for writing. */
struct grid_utf8 *
grid_view_get_utf8(struct grid *gd, u_int px, u_int py)
{
return (grid_get_utf8(gd, grid_view_x(gd, px), grid_view_y(gd, py)));
}
/* Set UTF-8. */
void
grid_view_set_utf8(
struct grid *gd, u_int px, u_int py, const struct grid_utf8 *gu)
{
grid_set_utf8(gd, grid_view_x(gd, px), grid_view_y(gd, py), gu);
}
/* Clear area. */