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Some changes to scroll algorithm

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This commit is contained in:
Alex Taber
2024-06-12 11:04:52 -04:00
parent 80dd00933b
commit 4669f13d05
3 changed files with 50 additions and 53 deletions
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79
source/loading.c
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@@ -148,47 +148,48 @@ void handle_scrolling(Entry_List_s * list)
//----------------------------------------------------------------
if(list->entries_count > list->entries_loaded)
{
for(int i = 0; i < list->entries_count; i++)
int change = 0;
if(list->entries_count > list->entries_loaded * 2 && list->previous_scroll < list->entries_loaded && list->selected_entry >= list->entries_count - list->entries_loaded)
{
int change = 0;
if(list->entries_count > list->entries_loaded * 2 && list->previous_scroll < list->entries_loaded && list->selected_entry >= list->entries_count - list->entries_loaded)
{
list->scroll = list->entries_count - list->entries_loaded;
}
else if(list->entries_count > list->entries_loaded * 2 && list->selected_entry < list->entries_loaded && list->previous_selected >= list->entries_count - list->entries_loaded)
{
list->scroll = 0;
}
else if(list->selected_entry == list->previous_selected+1 && list->selected_entry == list->scroll+list->entries_loaded)
{
change = 1;
}
else if(list->selected_entry == list->previous_selected-1 && list->selected_entry == list->scroll-1)
{
change = -1;
}
else if(list->selected_entry == list->previous_selected+list->entries_loaded || list->selected_entry >= list->scroll + list->entries_loaded)
{
change = list->entries_loaded;
}
else if(list->selected_entry == list->previous_selected-list->entries_loaded || list->selected_entry < list->scroll)
{
change = -list->entries_loaded;
}
list->scroll += change;
if(list->scroll < 0)
list->scroll = 0;
else if(list->scroll > list->entries_count - list->entries_loaded)
list->scroll = list->entries_count - list->entries_loaded;
if(!change)
list->previous_selected = list->selected_entry;
else
list->previous_selected += change;
list->scroll = list->entries_count - list->entries_loaded;
}
else if(list->entries_count > list->entries_loaded * 2 && list->selected_entry < list->entries_loaded && list->previous_selected >= list->entries_count - list->entries_loaded)
{
list->scroll = 0;
}
else if(list->selected_entry == list->previous_selected+1 && list->selected_entry == list->scroll+list->entries_loaded)
{
change = 1;
}
else if(list->selected_entry == list->previous_selected-1 && list->selected_entry == list->scroll-1)
{
change = -1;
}
else if(list->selected_entry == list->previous_selected+list->entries_loaded)
{
change = list->entries_loaded;
}
else if(list->selected_entry == list->previous_selected-list->entries_loaded)
{
change = -list->entries_loaded;
}
else if(list->selected_entry >= list->scroll + list->entries_loaded || list->selected_entry < list->scroll)
{
change = list->selected_entry - list->scroll;
}
list->scroll += change;
if(list->scroll < 0)
list->scroll = 0;
else if(list->scroll > list->entries_count - list->entries_loaded)
list->scroll = list->entries_count - list->entries_loaded;
if(!change)
list->previous_selected = list->selected_entry;
else
list->previous_selected += change;
}
//----------------------------------------------------------------
}