/*********************************************************************
*
* DROPDOWN_GetNumItems
*/
int DROPDOWN_GetNumItems(DROPDOWN_Handle hObj) {
DROPDOWN_Obj* pObj;
int r = 0;
if (hObj) {
WM_LOCK();
pObj = DROPDOWN_H2P(hObj);
ASSERT_IS_VALID_PTR(pObj);
r = _GetNumItems(pObj);
WM_UNLOCK();
}
return r;
}
static void _SelectByKey(LISTBOX_Handle hObj, int Key) {
int i;
LISTBOX_Obj* pObj = LISTBOX_H2P(hObj);
Key = _Tolower(Key);
for (i = 0; i < _GetNumItems(pObj); i++) {
char c = _Tolower(*(*(pObj->ppText + i)));
if (c == Key) {
LISTBOX_SetSel(hObj, i);
break;
}
}
}
/*********************************************************************
*
* _SelectByKey
*/
static void _SelectByKey(DROPDOWN_Handle hObj, int Key) {
int i;
DROPDOWN_Obj* pObj;
pObj = DROPDOWN_H2P(hObj);
Key = _Tolower(Key);
for (i = 0; i < _GetNumItems(pObj); i++) {
char c = _Tolower(*_GetpItem(pObj, i));
if (c == Key) {
DROPDOWN_SetSel(hObj, i);
break;
}
}
}
/*********************************************************************
*
* 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_SetSel
*/
void DROPDOWN_SetSel(DROPDOWN_Handle hObj, int Sel) {
int NumItems, MaxSel;
DROPDOWN_Obj* pObj;
if (hObj) {
WM_LOCK();
pObj = DROPDOWN_H2P(hObj);
ASSERT_IS_VALID_PTR(pObj);
NumItems = _GetNumItems(pObj);
MaxSel = NumItems ? NumItems-1 : 0;
if (Sel > MaxSel) {
Sel = MaxSel;
}
if (Sel != pObj->Sel) {
pObj->Sel = Sel;
DROPDOWN_Invalidate(hObj);
WM_NotifyParent(hObj, WM_NOTIFICATION_SEL_CHANGED);
}
WM_UNLOCK();
}
}
/*********************************************************************
*
* _Paint
*/
static void _Paint(LISTBOX_Handle hObj) {
int i;
int Border;
GUI_RECT r;
int FontDistY;
LISTBOX_Obj* pObj = LISTBOX_H2P(hObj);
int NumItems = _GetNumItems(pObj);
const GUI_ConstString* ppText = pObj->ppText;
Border = pObj->Widget.pEffect->EffectSize;
GUI_SetFont(pObj->pFont);
FontDistY = GUI_GetFontDistY();
if (Border) {
GUI_SetBkColor(pObj->aBackColor[0]);
GUI_Clear();
}
/* Calculate rect used for painting (subtract border) */
WM_GetClientRect(&r);
r.x1 -= Border;
r.y1 -= Border;
r.y0 -= Border;
WM_SetUserClipArea(&r);
for (i = pObj->ScrollState.v; i < NumItems; i++) {
int y, ColorIndex;
y = Border + (i - pObj->ScrollState.v) * FontDistY;
if (i == pObj->Sel) {
ColorIndex = (pObj->Widget.State & WIDGET_STATE_FOCUS) ? 2 : 1;
} else {
ColorIndex = 0;
}
GUI_SetBkColor(pObj->aBackColor[ColorIndex]);
GUI_SetColor (pObj->aTextColor[ColorIndex]);
GUI_ClearRect(Border, y, Border, y + FontDistY -1);
GUI_DispStringAt(*(ppText+i), Border+1, y);
GUI_DispCEOL();
}
WM_SetUserClipArea(NULL);
/* Draw the 3D effect (if configured) */
WIDGET__EFFECT_DrawDown(&pObj->Widget);
}
static void _CalcScrollParas(WM_HWIN hWin) {
LISTBOX_Obj* pObj = LISTBOX_H2P(hWin);
pObj->ScrollState.NumItems = _GetNumItems(pObj);
pObj->ScrollState.PageSize = _GetNumVisItems(pObj);
}