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refactor(screen): simplify grid_clear() and win_draw_end()

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grid_put_linebuf() used grid_clear() internally to handle clearing the
left part of a rightleft line. By reimplementing that internally, we
can instead use grid_put_linebuf() as the implementation of
grid_clear(), which in the end is a net reduction of code as grid_fill()
is used for nothing else.

win_draw_end: Implement "draw_margin" on a per-row basis which closer reflects how
terminals work. Also use the magic mirror for 'rightleft'
This commit is contained in:
bfredl
2024-01-04 14:07:25 +01:00
parent d54156ed08
commit 478b1af511
5 changed files with 129 additions and 207 deletions
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3
src/nvim/message.c
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@@ -204,6 +204,7 @@ void msg_grid_validate(void)
} else if (msg_grid.chars && !msg_scrolled && msg_grid_pos != max_rows) {
msg_grid_set_pos(max_rows, false);
}
msg_grid_adj.cols = Columns;
if (msg_grid.chars && !msg_scrolled && cmdline_row < msg_grid_pos) {
// TODO(bfredl): this should already be the case, but fails in some
@@ -2349,7 +2350,7 @@ void msg_scroll_flush(void)
for (int i = MAX(Rows - MAX(delta, 1), 0); i < Rows; i++) {
int row = i - msg_grid_pos;
assert(row >= 0);
ui_line(&msg_grid, row, 0, msg_grid.dirty_col[row], msg_grid.cols,
ui_line(&msg_grid, row, false, 0, msg_grid.dirty_col[row], msg_grid.cols,
HL_ATTR(HLF_MSG), false);
msg_grid.dirty_col[row] = 0;
}