/*********************************************************************
*
* DROPDOWN_Expand
*/
void DROPDOWN_Expand(DROPDOWN_Handle hObj) {
int xSize, ySize, i, NumItems;
WM_HWIN hLst;
GUI_RECT r;
WM_HWIN hParent;
WM_Obj* pParent;
DROPDOWN_Obj* pObj;
if (hObj) {
WM_LOCK();
pObj = DROPDOWN_H2P(hObj);
if (pObj->hListWin == 0) {
hParent = WM_GetParent(hObj);
pParent = WM_H2P(hParent);
xSize = WM__GetWindowSizeX(&pObj->Widget.Win);
ySize = pObj->ySizeEx;
NumItems = _GetNumItems(pObj);
/* Get coordinates of window in client coordiantes of parent */
r = pObj->Widget.Win.Rect;
GUI_MoveRect(&r, -pParent->Rect.x0, -pParent->Rect.y0);
if (pObj->Flags & DROPDOWN_CF_UP) {
r.y0 -= ySize;
} else {
r.y0 = r.y1;
}
hLst = LISTBOX_CreateAsChild(NULL, WM_GetParent(hObj), r.x0, r.y0
, xSize, ySize, WM_CF_SHOW);
if (pObj->Flags & DROPDOWN_SF_AUTOSCROLLBAR) {
LISTBOX_SetScrollbarWidth(hLst, pObj->ScrollbarWidth);
LISTBOX_SetAutoScrollV(hLst, 1);
}
for (i = 0; i< NumItems; i++) {
LISTBOX_AddString(hLst, _GetpItem(pObj, i));
}
for (i = 0; i < GUI_COUNTOF(pObj->Props.aBackColor); i++) {
LISTBOX_SetBkColor(hLst, i, pObj->Props.aBackColor[i]);
}
for (i = 0; i < GUI_COUNTOF(pObj->Props.aTextColor); i++) {
LISTBOX_SetTextColor(hLst, i, pObj->Props.aTextColor[i]);
}
LISTBOX_SetItemSpacing(hLst, pObj->ItemSpacing);
LISTBOX_SetFont(hLst, pObj->Props.pFont);
WM_SetFocus(hLst);
pObj->hListWin = hLst;
LISTBOX_SetOwner(hLst, hObj);
LISTBOX_SetSel(hLst, pObj->Sel);
WM_NotifyParent(hObj, WM_NOTIFICATION_CLICKED);
}
WM_UNLOCK();
}
}
/*********************************************************************
*
* DROPDOWN_SetScrollbarWidth
*/
void DROPDOWN_SetScrollbarWidth(DROPDOWN_Handle hObj, unsigned Width) {
DROPDOWN_Obj* pObj;
if (hObj) {
WM_LOCK();
pObj = DROPDOWN_H2P(hObj);
if (Width != (unsigned)pObj->ScrollbarWidth) {
pObj->ScrollbarWidth = Width;
if (pObj->hListWin) {
LISTBOX_SetScrollbarWidth(pObj->hListWin, Width);
}
}
WM_UNLOCK();
}
}
