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tweaks: condense three comments, drop another, and rewrap a line

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This commit is contained in:
Benno Schulenberg 2021-04-23 12:04:19 +02:00
parent 588022ab8c
commit af90f03ac5
1 changed files with 4 additions and 10 deletions
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14
src/winio.c
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@ -3288,14 +3288,11 @@ size_t actual_last_column(size_t leftedge, size_t column)
return leftedge + column;
}
/* Return TRUE if current[current_x] is above the top of the screen, and FALSE
* otherwise. */
/* Return TRUE if current[current_x] is before the viewport. */
bool current_is_above_screen(void)
{
#ifndef NANO_TINY
if (ISSET(SOFTWRAP))
/* The cursor is above screen when current[current_x] is before edittop
* at column firstcolumn. */
return (openfile->current->lineno < openfile->edittop->lineno ||
(openfile->current->lineno == openfile->edittop->lineno &&
xplustabs() < openfile->firstcolumn));
@ -3304,8 +3301,7 @@ bool current_is_above_screen(void)
return (openfile->current->lineno < openfile->edittop->lineno);
}
/* Return TRUE if current[current_x] is below the bottom of the screen, and
* FALSE otherwise. */
/* Return TRUE if current[current_x] is beyond the viewport. */
bool current_is_below_screen(void)
{
#ifndef NANO_TINY
@ -3318,16 +3314,14 @@ bool current_is_below_screen(void)
return (go_forward_chunks(editwinrows - 1, &line, &leftedge) == 0 &&
(line->lineno < openfile->current->lineno ||
(line->lineno == openfile->current->lineno &&
leftedge < leftedge_for(xplustabs(),
openfile->current))));
leftedge < leftedge_for(xplustabs(), openfile->current))));
} else
#endif
return (openfile->current->lineno >=
openfile->edittop->lineno + editwinrows);
}
/* Return TRUE if current[current_x] is offscreen relative to edittop, and
* FALSE otherwise. */
/* Return TRUE if current[current_x] is outside the viewport. */
bool current_is_offscreen(void)
{
return (current_is_above_screen() || current_is_below_screen());