user32/listbox: Use a helper to get the size of an item.
Signed-off-by: Gabriel Ivăncescu <gabrielopcode@gmail.com> Signed-off-by: Huw Davies <huw@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
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@ -122,6 +122,11 @@ static TIMER_DIRECTION LISTBOX_Timer = LB_TIMER_NONE;
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static LRESULT LISTBOX_GetItemRect( const LB_DESCR *descr, INT index, RECT *rect );
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static size_t get_sizeof_item( const LB_DESCR *descr )
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{
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return sizeof(LB_ITEMDATA);
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}
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static BOOL resize_storage(LB_DESCR *descr, UINT items_size)
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{
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LB_ITEMDATA *items;
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@ -132,7 +137,7 @@ static BOOL resize_storage(LB_DESCR *descr, UINT items_size)
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items_size = (items_size + LB_ARRAY_GRANULARITY - 1) & ~(LB_ARRAY_GRANULARITY - 1);
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if ((descr->style & (LBS_NODATA | LBS_MULTIPLESEL | LBS_EXTENDEDSEL)) != LBS_NODATA)
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{
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items = heap_realloc(descr->items, items_size * sizeof(LB_ITEMDATA));
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items = heap_realloc(descr->items, items_size * get_sizeof_item(descr));
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if (!items)
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{
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SEND_NOTIFICATION(descr, LBN_ERRSPACE);
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@ -146,7 +151,7 @@ static BOOL resize_storage(LB_DESCR *descr, UINT items_size)
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if ((descr->style & LBS_NODATA) && descr->items && items_size > descr->nb_items)
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{
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memset(&descr->items[descr->nb_items], 0,
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(items_size - descr->nb_items) * sizeof(LB_ITEMDATA));
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(items_size - descr->nb_items) * get_sizeof_item(descr));
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}
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return TRUE;
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}
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@ -196,24 +201,26 @@ static void set_item_selected_state(LB_DESCR *descr, UINT index, BOOL state)
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static void insert_item_data(LB_DESCR *descr, UINT index)
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{
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size_t size = get_sizeof_item(descr);
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LB_ITEMDATA *item;
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if (!descr->items) return;
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item = descr->items + index;
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if (index < descr->nb_items)
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memmove(item + 1, item, (descr->nb_items - index) * sizeof(LB_ITEMDATA));
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memmove(item + 1, item, (descr->nb_items - index) * size);
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}
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static void remove_item_data(LB_DESCR *descr, UINT index)
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{
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size_t size = get_sizeof_item(descr);
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LB_ITEMDATA *item;
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if (!descr->items) return;
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item = descr->items + index;
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if (index < descr->nb_items)
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memmove(item, item + 1, (descr->nb_items - index) * sizeof(LB_ITEMDATA));
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memmove(item, item + 1, (descr->nb_items - index) * size);
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}
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/*********************************************************************
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