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Clear line if new indentation greater than old.

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Make sure initial indentation is skipped, rather than written as spaces.
This is a tweak to pull request #5928.
This commit is contained in:
Per Bothner 2019-10-02 11:45:01 -07:00 committed by ridiculousfish
parent eca1fcad90
commit dfc45f3e10
1 changed files with 10 additions and 10 deletions
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20
src/screen.cpp
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@ -668,7 +668,6 @@ static void s_update(screen_t *scr, const wcstring &left_prompt, const wcstring
size_t skip_prefix = shared_prefix;
if (shared_prefix < o_line.indentation) {
if (o_line.indentation > s_line.indentation
&& s_line.indentation != s_line.size()
&& !has_cleared_screen && clr_eol && clr_eos) {
s_set_color(scr, vars, highlight_spec_t{});
s_move(scr, 0, (int)i);
@ -679,16 +678,17 @@ static void s_update(screen_t *scr, const wcstring &left_prompt, const wcstring
}
skip_prefix = o_line.indentation;
}
if (!should_clear_screen_this_line) {
// Compute how much we should skip. At a minimum we skip over the prompt. But also skip
// over the shared prefix of what we want to output now, and what we output before, to
// avoid repeatedly outputting it.
if (skip_prefix > 0) {
size_t skip_width = shared_prefix < skip_prefix ? skip_prefix
: fish_wcswidth(&o_line.text.at(0), shared_prefix);
if (skip_width > skip_remaining) skip_remaining = skip_width;
}
// Compute how much we should skip. At a minimum we skip over the prompt. But also skip
// over the shared prefix of what we want to output now, and what we output before, to
// avoid repeatedly outputting it.
if (skip_prefix > 0) {
size_t skip_width = shared_prefix < skip_prefix ? skip_prefix
: fish_wcswidth(&o_line.text.at(0), shared_prefix);
if (skip_width > skip_remaining) skip_remaining = skip_width;
}
if (!should_clear_screen_this_line) {
// If we're soft wrapped, and if we're going to change the first character of the next
// line, don't skip over the last two characters so that we maintain soft-wrapping.
if (o_line.is_soft_wrapped && i + 1 < scr->desired.line_count()) {