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Fix mouse face display bug on MS-DOS

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* src/msdos.c (tty_draw_row_with_mouse_face): Tweak coordinates to
reflect the number of glyphs used within the margin area.
This commit is contained in:
Po Lu 2023-08-07 21:14:53 +08:00
parent 6990af4ca9
commit 72a606bb27
1 changed files with 8 additions and 1 deletions
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9
src/msdos.c
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@ -979,11 +979,15 @@ tty_draw_row_with_mouse_face (struct window *w, struct glyph_row *row,
if (hl == DRAW_MOUSE_FACE)
{
int vpos = row->y + WINDOW_TOP_EDGE_Y (w);
int kstart = start_hpos + WINDOW_LEFT_EDGE_X (w);
int kstart = (start_hpos + WINDOW_LEFT_EDGE_X (w)
+ row->used[LEFT_MARGIN_AREA]);
int nglyphs = end_hpos - start_hpos;
int offset = ScreenPrimary + 2*(vpos*screen_size_X + kstart) + 1;
int start_offset = offset;
if (end_hpos >= row->used[TEXT_AREA])
nglyphs = row->used[TEXT_AREA] - start_hpos;
if (tty->termscript)
fprintf (tty->termscript, "\n<MH+ %d-%d:%d>",
kstart, kstart + nglyphs - 1, vpos);
@ -1021,6 +1025,9 @@ tty_draw_row_with_mouse_face (struct window *w, struct glyph_row *row,
temporarily move cursor coordinates to the beginning of
the highlight region. */
new_pos_X = start_hpos + WINDOW_LEFT_EDGE_X (w);
/* The coordinates supplied by the caller are relative to the
text area, not the window itself. */
new_pos_X += row->used[LEFT_MARGIN_AREA];
new_pos_Y = row->y + WINDOW_TOP_EDGE_Y (w);
if (tty->termscript)