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Pull term references out of xdrawcursor

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Gradually reducing x.c dependency on Term object.  Old and new cursor
glyph/position are passed to xdrawcursor.  (There may be an opportunity
to refactor further if we can unify "clear old cursor" and "draw new
cursor" functionality.)

Signed-off-by: Devin J. Pohly <djpohly@gmail.com>
This commit is contained in:
Devin J. Pohly
2018-02-24 14:58:54 -06:00
parent 88d8293fb4
commit a5dc1b4697
4 changed files with 40 additions and 42 deletions
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15
st.c
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@ -2544,10 +2544,23 @@ drawregion(int x1, int y1, int x2, int y2)
void
draw(void)
{
int cx = term.c.x;
if (!xstartdraw())
return;
/* adjust cursor position */
LIMIT(term.ocx, 0, term.col-1);
LIMIT(term.ocy, 0, term.row-1);
if (term.line[term.ocy][term.ocx].mode & ATTR_WDUMMY)
term.ocx--;
if (term.line[term.c.y][cx].mode & ATTR_WDUMMY)
cx--;
drawregion(0, 0, term.col, term.row);
xdrawcursor();
xdrawcursor(cx, term.c.y, term.line[term.c.y][cx],
term.ocx, term.ocy, term.line[term.ocy][term.ocx]);
term.ocx = cx, term.ocy = term.c.y;
xfinishdraw();
}