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softwrap: count softwrapped chunks properly in do_gotolinecolumn()

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Use go_forward_chunks() to count softwrapped chunks between the current
cursor position and the bottom of the file.  Now softwrap mode and
non-softwrap mode behave the same way when moving to a line and column
non-interactively, instead of the former's always centering the screen.
This commit is contained in:
David Lawrence Ramsey 2017-01-15 14:38:35 -06:00 committed by Benno Schulenberg
parent 456d66b904
commit 1570651e30
1 changed files with 18 additions and 6 deletions
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24
src/search.c
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@ -883,17 +883,29 @@ void do_gotolinecolumn(ssize_t line, ssize_t column, bool use_answer,
openfile->placewewant = column - 1;
/* When the position was manually given, center the target line. */
if (interactive || ISSET(SOFTWRAP)) {
if (interactive) {
adjust_viewport(CENTERING);
refresh_needed = TRUE;
} else {
int rows_from_tail;
#ifndef NANO_TINY
if (ISSET(SOFTWRAP)) {
filestruct *line = openfile->current;
size_t leftedge = (xplustabs() / editwincols) * editwincols;
rows_from_tail = (editwinrows / 2) -
go_forward_chunks(editwinrows / 2, &line, &leftedge);
} else
#endif
rows_from_tail = openfile->filebot->lineno -
openfile->current->lineno;
/* If the target line is close to the tail of the file, put the last
* line of the file on the bottom line of the screen; otherwise, just
* line or chunk on the bottom line of the screen; otherwise, just
* center the target line. */
if (openfile->filebot->lineno - openfile->current->lineno <
editwinrows / 2) {
openfile->current_y = editwinrows - openfile->filebot->lineno +
openfile->current->lineno - 1;
if (rows_from_tail < editwinrows / 2) {
openfile->current_y = editwinrows - 1 - rows_from_tail;
adjust_viewport(STATIONARY);
} else
adjust_viewport(CENTERING);