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tweaks: elide an intermediate variable

master
Benno Schulenberg 2017-03-29 10:20:41 +02:00
parent 873e3d6fa6
commit 33cefa9208
1 changed files with 8 additions and 12 deletions
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20
src/winio.c
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@ -2869,21 +2869,18 @@ bool less_than_a_screenful(size_t was_lineno, size_t was_leftedge)
* and draw new lines on the blank lines left after the scrolling. */
void edit_scroll(scroll_dir direction, int nrows)
{
int i;
filestruct *line;
size_t leftedge;
/* Part 1: nrows is the number of rows we're going to scroll the text of
* the edit window. */
/* Move the top line of the edit window the requested number of rows. */
/* Move the top line of the edit window the requested number of rows up or
* down, and reduce the number of rows with the amount we couldn't move. */
if (direction == UPWARD)
i = go_back_chunks(nrows, &openfile->edittop, &openfile->firstcolumn);
nrows -= go_back_chunks(nrows, &openfile->edittop, &openfile->firstcolumn);
else
i = go_forward_chunks(nrows, &openfile->edittop, &openfile->firstcolumn);
/* If necessary, reduce the number of rows to what we could scroll. */
nrows -= i;
nrows -= go_forward_chunks(nrows, &openfile->edittop, &openfile->firstcolumn);
/* Don't bother scrolling zero rows, nor more than the window can hold. */
if (nrows == 0)
@ -2914,19 +2911,18 @@ void edit_scroll(scroll_dir direction, int nrows)
if (direction == DOWNWARD)
go_forward_chunks(editwinrows - nrows, &line, &leftedge);
i = nrows;
#ifndef NANO_TINY
/* Compensate for the earlier onscreen chunks of a softwrapped line
* when the first blank row happens to be in the middle of that line. */
if (ISSET(SOFTWRAP) && line != openfile->edittop)
i += leftedge / editwincols;
nrows += leftedge / editwincols;
#endif
/* Draw new content on the blank rows inside the scrolled region
* (and on the bordering row too when it was deemed necessary). */
while (i > 0 && line != NULL) {
i -= update_line(line, (line == openfile->current) ?
openfile->current_x : 0);
while (nrows > 0 && line != NULL) {
nrows -= update_line(line, (line == openfile->current) ?
openfile->current_x : 0);
line = line->next;
}
}