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screen: use UTF-8 representation

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Store text in ScreenLines as UTF-8, so it can be sent as-is to the UI
layer. `utfc_char2bytes(off,buf)` is removed, as `ScreenLines[off]` now
already contains this representation.

To recover the codepoints that the screen arrays previously contained, use
utfc_ptr2char (or utf_ptr2char to ignore composing chars).

NB: This commit does NOT change how screen.c processes incoming UTF-8 data
from buffers, cmdline, messages etc. Any algorithm that operates on UCS-4
(like arabic shaping, treatment of non-printable chars)
is left unchanged for now.
This commit is contained in:
Björn Linse
2018-02-10 11:03:59 +01:00
parent 315b7f8632
commit d8e18c96a9
5 changed files with 365 additions and 667 deletions
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9
src/nvim/mouse.c
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@@ -108,12 +108,13 @@ retnomove:
goto retnomove; // ugly goto...
// Remember the character under the mouse, it might be a '-' or '+' in the
// fold column.
// fold column. NB: only works for ASCII chars!
if (row >= 0 && row < Rows && col >= 0 && col <= Columns
&& ScreenLines != NULL)
mouse_char = ScreenLines[LineOffset[row] + (unsigned)col];
else
&& ScreenLines != NULL) {
mouse_char = ScreenLines[LineOffset[row] + (unsigned)col][0];
} else {
mouse_char = ' ';
}
old_curwin = curwin;
old_cursor = curwin->w_cursor;