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screen: when using positionlog, show as much of the file as possible 

When opening a file that was edited before, and the remembered position
is near the end of the file, then don't center the target line but show
the last line of the file on the bottom line of the screen, thus showing
as much of the file content as possible.

This addresses https://savannah.gnu.org/bugs/?46243.
master
Benno Schulenberg 2016-05-06 21:57:25 +02:00
parent fbd817fb94
commit aaab6e57e0
1 changed files with 13 additions and 4 deletions
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17
src/search.c
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@ -955,13 +955,22 @@ void do_gotolinecolumn(ssize_t line, ssize_t column, bool use_answer,
openfile->current_x = actual_x(openfile->current->data, column - 1);
openfile->placewewant = column - 1;
/* Put the top line of the edit window in range of the current line. */
edit_update(CENTERING);
/* When in interactive mode, update the screen. */
/* When the position was manually given, center the target line. */
if (interactive) {
edit_update(CENTERING);
edit_refresh();
display_main_list();
} else {
/* 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
* center the target line. */
if (openfile->filebot->lineno - openfile->current->lineno <
editwinrows / 2) {
openfile->current_y = editwinrows - openfile->filebot->lineno +
openfile->current->lineno - 1;
edit_update(STATIONARY);
} else
edit_update(CENTERING);
}
}