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tweaks: condense a comment, rename a variable, and use a while loop

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This commit is contained in:
Benno Schulenberg 2017-01-12 21:31:08 +01:00
parent b7c2513f7d
commit bf0268d41d
1 changed files with 6 additions and 8 deletions
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14
src/winio.c
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@ -2752,26 +2752,24 @@ bool need_horizontal_scroll(const size_t old_column, const size_t new_column)
return (get_page_start(old_column) != get_page_start(new_column));
}
/* When edittop changes, try and figure out how many lines we really
* have to work with, accounting for softwrap mode. */
/* Determine how many file lines we can display, accounting for softwraps. */
void compute_maxlines(void)
{
#ifndef NANO_TINY
if (ISSET(SOFTWRAP)) {
int screenrow;
filestruct *line = openfile->edittop;
int row = 0;
maxlines = 0;
for (screenrow = 0; screenrow < editwinrows && line != NULL; screenrow++) {
screenrow += strlenpt(line->data) / editwincols;
while (row < editwinrows && line != NULL) {
row += (strlenpt(line->data) / editwincols) + 1;
line = line->next;
maxlines++;
}
if (screenrow < editwinrows)
maxlines += editwinrows - screenrow;
if (row < editwinrows)
maxlines += (editwinrows - row);
#ifdef DEBUG
fprintf(stderr, "recomputed: maxlines = %d\n", maxlines);
#endif