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Code Issues

Better input scroll logic.

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This commit is contained in:
Jari Vetoniemi 2014-04-14 19:00:15 +03:00
parent 066c5c2e61
commit 5b873de2de
1 changed files with 5 additions and 5 deletions
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10
lib/draw/curses.c
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@ -208,12 +208,12 @@ static void _bmDrawCursesRender(const bmMenu *menu)
unsigned int titleLen = (menu->title ? strlen(menu->title) + 1 : 0);
unsigned int ncols = curses.getmaxx(curses.stdscr);
unsigned int ccols = ncols - titleLen - 1;
unsigned int doffset = (menu->cursesCursor < ccols ? 0 : menu->cursesCursor - ccols);
unsigned int dcols = 0, doffset = menu->cursor;
if (doffset > 0) {
/* find offset where we won't break the UTF8 string */
doffset += _bmUtf8RuneNext(menu->filter, doffset);
doffset -= _bmUtf8RunePrev(menu->filter, doffset);
while (doffset > 0 && dcols < ccols) {
int prev = _bmUtf8RunePrev(menu->filter, doffset);
dcols += _bmUtf8RuneWidth(menu->filter + doffset - prev, prev);
doffset -= (prev ? prev : 1);
}
_bmDrawCursesDrawLine(0, 0, "%*s%s", titleLen, "", (menu->filter ? menu->filter + doffset : ""));