if (gi->type & GD_TYPE_SCROLLBAR)
{
struct GadgetScrollbar *gs = &gi->scrollbar;
+ int scrollbar_size_cmp;
if (gi->width == 0 || gi->height == 0 ||
gs->items_max == 0 || gs->items_visible == 0)
Error(ERR_EXIT, "scrollbar gadget incomplete (missing tags)");
/* calculate internal scrollbar values */
+ gs->size_min = (gi->type == GD_TYPE_SCROLLBAR_VERTICAL ?
+ gi->width : gi->height);
gs->size_max = (gi->type == GD_TYPE_SCROLLBAR_VERTICAL ?
gi->height : gi->width);
- gs->size = gs->size_max * gs->items_visible / gs->items_max;
- gs->position = gs->size_max * gs->item_position / gs->items_max;
+
+ scrollbar_size_cmp = gs->size_max * gs->items_visible / gs->items_max;
+ gs->size = MAX(scrollbar_size_cmp, gs->size_min);
+ gs->size_max_cmp = (gs->size_max - (gs->size - scrollbar_size_cmp));
+
+ gs->position = gs->size_max_cmp * gs->item_position / gs->items_max;
gs->position_max = gs->size_max - gs->size;
gs->correction = gs->size_max / gs->items_max / 2;
gs->position = gs->position_max;
gs->item_position =
- gs->items_max * (gs->position + gs->correction) / gs->size_max;
+ gs->items_max * (gs->position + gs->correction) / gs->size_max_cmp;
if (gs->item_position < 0)
gs->item_position = 0;