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Added screen-wise scrolling for thumbnail mode

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Bert Münnich
2011-10-27 16:21:01 +02:00
parent 3e2523818b
commit 1cdbeb972a
9 changed files with 55 additions and 42 deletions
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21
thumbs.c
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@ -430,20 +430,25 @@ bool tns_move_selection(tns_t *tns, direction_t dir) {
return tns->sel != old;
}
bool tns_scroll(tns_t *tns, direction_t dir) {
int old;
bool tns_scroll(tns_t *tns, direction_t dir, bool screen) {
int d, max, old;
if (tns == NULL)
return false;
old = tns->first;
d = tns->cols * (screen ? tns->rows : 1);
if (dir == DIR_DOWN && tns->first + tns->cols * tns->rows < tns->cnt) {
tns->first += tns->cols;
tns_check_view(tns, true);
tns->dirty = true;
} else if (dir == DIR_UP && tns->first >= tns->cols) {
tns->first -= tns->cols;
if (dir == DIR_DOWN) {
max = tns->cnt - tns->cols * tns->rows;
if (tns->cnt % tns->cols != 0)
max += tns->cols - tns->cnt % tns->cols;
tns->first = MIN(tns->first + d, max);
} else if (dir == DIR_UP) {
tns->first = MAX(tns->first - d, 0);
}
if (tns->first != old) {
tns_check_view(tns, true);
tns->dirty = true;
}