/*********************************************************************
*
* LISTBOX_SetItemDisabled
*/
void LISTBOX_SetItemDisabled(LISTBOX_Handle hObj, unsigned Index, int OnOff) {
if (hObj) {
unsigned NumItems;
LISTBOX_Obj* pObj;
WM_LOCK();
pObj = LISTBOX_H2P(hObj);
NumItems = LISTBOX__GetNumItems(pObj);
if (Index < NumItems) {
WM_HMEM hItem = GUI_ARRAY_GethItem(&pObj->ItemArray, Index);
if (hItem) {
LISTBOX_ITEM * pItem = (LISTBOX_ITEM *)GUI_ALLOC_h2p(hItem);
if (OnOff) {
if (!(pItem->Status & LISTBOX_ITEM_DISABLED)) {
pItem->Status |= LISTBOX_ITEM_DISABLED;
LISTBOX__InvalidateItem(hObj, pObj, Index);
}
} else {
if (pItem->Status & LISTBOX_ITEM_DISABLED) {
pItem->Status &= ~LISTBOX_ITEM_DISABLED;
LISTBOX__InvalidateItem(hObj, pObj, Index);
}
}
}
}
WM_UNLOCK();
}
}
/*********************************************************************
*
* _ToggleMultiSel
*/
static void _ToggleMultiSel(LISTBOX_Handle hObj, LISTBOX_Obj* pObj, int Sel) {
if (pObj->Flags & LISTBOX_SF_MULTISEL) {
WM_HMEM hItem = GUI_ARRAY_GethItem(&pObj->ItemArray, Sel);
if (hItem) {
LISTBOX_ITEM * pItem = (LISTBOX_ITEM *)GUI_ALLOC_h2p(hItem);
if (!(pItem->Status & LISTBOX_ITEM_DISABLED)) {
pItem->Status ^= LISTBOX_ITEM_SELECTED;
_NotifyOwner(hObj, WM_NOTIFICATION_SEL_CHANGED);
LISTBOX__InvalidateItem(hObj, pObj, Sel);
}
}
}
}
/*********************************************************************
*
* LISTBOX_SetSel
*/
void LISTBOX_SetSel (LISTBOX_Handle hObj, int NewSel) {
if (hObj) {
LISTBOX_Obj* pObj;
int MaxSel;
WM_LOCK();
pObj = LISTBOX_H2P(hObj);
MaxSel = LISTBOX__GetNumItems(pObj);
MaxSel = MaxSel ? MaxSel - 1 : 0;
if (NewSel > MaxSel) {
NewSel = MaxSel;
}
if (NewSel < 0) {
NewSel = -1;
} else {
WM_HMEM hItem = GUI_ARRAY_GethItem(&pObj->ItemArray, NewSel);
if (hItem) {
LISTBOX_ITEM* pItem = (LISTBOX_ITEM*)GUI_ALLOC_h2p(hItem);
if (pItem->Status & LISTBOX_ITEM_DISABLED) {
NewSel = -1;
}
}
}
if (NewSel != pObj->Sel) {
int OldSel;
OldSel = pObj->Sel;
pObj->Sel = NewSel;
if (_UpdateScrollPos(hObj, pObj)) {
LISTBOX__InvalidateInsideArea(hObj);
} else {
LISTBOX__InvalidateItem(hObj, pObj, OldSel);
LISTBOX__InvalidateItem(hObj, pObj, NewSel);
}
_NotifyOwner(hObj, WM_NOTIFICATION_SEL_CHANGED);
}
WM_UNLOCK();
}
}
/*********************************************************************
*
* LISTBOX_AddString
*/
void LISTBOX_AddString(LISTBOX_Handle hObj, const char* s) {
if (hObj && s) {
LISTBOX_Obj* pObj;
LISTBOX_ITEM Item = {0, 0};
WM_LOCK();
pObj = LISTBOX_H2P(hObj);
if (GUI_ARRAY_AddItem(&pObj->ItemArray, &Item, sizeof(LISTBOX_ITEM) + strlen(s)) == 0) {
unsigned ItemIndex = GUI_ARRAY_GetNumItems(&pObj->ItemArray) - 1;
LISTBOX_ITEM* pItem= (LISTBOX_ITEM*)GUI_ARRAY_GetpItem(&pObj->ItemArray, ItemIndex);
strcpy(pItem->acText, s);
LISTBOX__InvalidateItemSize(pObj, ItemIndex);
LISTBOX_UpdateScrollers(hObj);
LISTBOX__InvalidateItem(hObj, pObj, ItemIndex);
}
WM_UNLOCK();
}
}
/*********************************************************************
*
* LISTBOX_SetString
*/
void LISTBOX_SetString(LISTBOX_Handle hObj, const char* s, unsigned int Index) {
if (hObj) {
LISTBOX_Obj* pObj;
WM_LOCK();
pObj = LISTBOX_H2P(hObj);
if (Index < (unsigned int)LISTBOX__GetNumItems(pObj)) {
LISTBOX_ITEM* pItem;
pItem = (LISTBOX_ITEM*)GUI_ARRAY_ResizeItem(&pObj->ItemArray, Index, sizeof(LISTBOX_ITEM) + strlen(s));
if (pItem) {
strcpy(pItem->acText, s);
LISTBOX__InvalidateItemSize(pObj, Index);
LISTBOX_UpdateScrollers(hObj);
LISTBOX__InvalidateItem(hObj, pObj, Index);
}
}
WM_UNLOCK();
}
}
