/*********************************************************************
*
* _CalcPositions
*
* Calculates all positions required for drawing or for mouse / touch
* evaluation.
*/
static void _CalcPositions(SCROLLBAR_Obj* pObj, SCROLLBAR_POSITIONS* pPos) {
int xSizeArrow, xSize, xSizeMoveable, ThumbSize, NumItems, xSizeThumbArea;
WM_HWIN hWin;
GUI_RECT r, rSub;
int x0, y0;
r = pObj->Widget.Win.Rect;
x0 = r.x0;
y0 = r.y0;
pPos->x1 = (pObj->Widget.State & WIDGET_STATE_VERTICAL) ? r.y1 : r.x1;
/* Subtract the rectangle of the other scrollbar (if existing and visible) */
if (pObj->Widget.Id == GUI_ID_HSCROLL) {
hWin = WM_GetScrollbarV(pObj->Widget.Win.hParent);
if (hWin) {
WM_GetWindowRectEx(hWin, &rSub);
if (r.x1 == rSub.x1) {
r.x1 = rSub.x0 -1;
}
}
}
if (pObj->Widget.Id == GUI_ID_VSCROLL) {
hWin = WM_GetScrollbarH(pObj->Widget.Win.hParent);
if (hWin) {
WM_GetWindowRectEx(hWin, &rSub);
if (r.y1 == rSub.y1) {
r.y1 = rSub.y0 -1;
}
}
}
/* Convert coordinates of this window */
GUI_MoveRect(&r, -x0, -y0);
/* Convert real into virtual coordinates */
_WIDGET__RECT2VRECT(&pObj->Widget, &r);
NumItems = pObj->NumItems;
xSize = r.x1 - r.x0 + 1;
xSizeArrow = _GetArrowSize(pObj);
xSizeThumbArea= xSize - 2 * xSizeArrow; /* Number of pixels available for thumb and movement */
ThumbSize = GUI__DivideRound(xSizeThumbArea * pObj->PageSize, NumItems);
if (ThumbSize < 4) {
ThumbSize = 4;
}
if (ThumbSize > xSizeThumbArea) {
ThumbSize = xSizeThumbArea;
}
xSizeMoveable = xSizeThumbArea - ThumbSize;
pPos->x0_LeftArrow = r.x0;
pPos->x1_LeftArrow = xSizeArrow - 1;
pPos->x1_RightArrow = xSize - 1;
pPos->x0_RightArrow = xSize - xSizeArrow;
pPos->x0_Thumb = pPos->x1_LeftArrow + 1+ GUI__DivideRound(xSizeMoveable * pObj->v, NumItems - pObj->PageSize);
pPos->x1_Thumb = pPos->x0_Thumb + ThumbSize - 1;
pPos->xSizeMoveable = xSizeMoveable;
pPos->ThumbSize = ThumbSize;
}
/*********************************************************************
*
* _LISTVIEW_Callback
*/
static void _LISTVIEW_Callback (WM_MESSAGE *pMsg) {
LISTVIEW_Handle hObj;
LISTVIEW_Obj* pObj;
WM_SCROLL_STATE ScrollState;
hObj = pMsg->hWin;
/* Let widget handle the standard messages */
if (WIDGET_HandleActive(hObj, pMsg) == 0) {
return;
}
pObj = LISTVIEW_H2P(hObj);
switch (pMsg->MsgId) {
case WM_NOTIFY_CLIENTCHANGE:
case WM_SIZE:
LISTVIEW__UpdateScrollParas(hObj, pObj);
return;
case WM_NOTIFY_PARENT:
switch (pMsg->Data.v) {
case WM_NOTIFICATION_CHILD_DELETED:
/* make sure we do not send any messages to the header child once it has been deleted */
if (pMsg->hWinSrc == pObj->hHeader) {
pObj->hHeader = 0;
}
break;
case WM_NOTIFICATION_VALUE_CHANGED:
if (pMsg->hWinSrc == WM_GetScrollbarV(hObj)) {
WM_GetScrollState(pMsg->hWinSrc, &ScrollState);
pObj->ScrollStateV.v = ScrollState.v;
LISTVIEW__InvalidateInsideArea(hObj, pObj);
_NotifyOwner(hObj, WM_NOTIFICATION_SCROLL_CHANGED);
} else if (pMsg->hWinSrc == WM_GetScrollbarH(hObj)) {
WM_GetScrollState(pMsg->hWinSrc, &ScrollState);
pObj->ScrollStateH.v = ScrollState.v;
LISTVIEW__UpdateScrollParas(hObj, pObj);
HEADER_SetScrollPos(pObj->hHeader, pObj->ScrollStateH.v);
_NotifyOwner(hObj, WM_NOTIFICATION_SCROLL_CHANGED);
}
break;
case WM_NOTIFICATION_SCROLLBAR_ADDED:
LISTVIEW__UpdateScrollParas(hObj, pObj);
break;
}
return;
case WM_PAINT:
_Paint(hObj, pObj, pMsg);
return;
case WM_TOUCH:
_OnTouch(hObj, pObj, pMsg);
return; /* Important: message handled ! */
case WM_KEY:
if (((const WM_KEY_INFO*)(pMsg->Data.p))->PressedCnt > 0) {
int Key;
Key = ((const WM_KEY_INFO*)(pMsg->Data.p))->Key;
if (_AddKey(hObj, Key)) {
return;
}
}
break; /* No return here ... WM_DefaultProc needs to be called */
case WM_DELETE:
_FreeAttached(pObj);
break; /* No return here ... WM_DefaultProc needs to be called */
}
WM_DefaultProc(pMsg);
}
/*********************************************************************
*
* _LISTBOX_Callback
*/
static void _LISTBOX_Callback(WM_MESSAGE*pMsg) {
LISTBOX_Handle hObj = pMsg->hWin;
LISTBOX_Obj* pObj = LISTBOX_H2P(hObj);
WM_SCROLL_STATE ScrollState;
/* Let widget handle the standard messages */
if (WIDGET_HandleActive(hObj, pMsg) == 0) {
/* Owner needs to be informed about focus change */
if (pMsg->MsgId == WM_SET_FOCUS) {
if (pMsg->Data.v == 0) { /* Lost focus ? */
_NotifyOwner(hObj, LISTBOX_NOTIFICATION_LOST_FOCUS);
}
}
return;
}
switch (pMsg->MsgId) {
case WM_NOTIFY_PARENT:
switch (pMsg->Data.v) {
case WM_NOTIFICATION_VALUE_CHANGED:
if (pMsg->hWinSrc == WM_GetScrollbarV(hObj)) {
WM_GetScrollState(pMsg->hWinSrc, &ScrollState);
pObj->ScrollStateV.v = ScrollState.v;
LISTBOX__InvalidateInsideArea(hObj);
_NotifyOwner(hObj, WM_NOTIFICATION_SCROLL_CHANGED);
} else if (pMsg->hWinSrc == WM_GetScrollbarH(hObj)) {
WM_GetScrollState(pMsg->hWinSrc, &ScrollState);
pObj->ScrollStateH.v = ScrollState.v;
LISTBOX__InvalidateInsideArea(hObj);
_NotifyOwner(hObj, WM_NOTIFICATION_SCROLL_CHANGED);
}
break;
case WM_NOTIFICATION_SCROLLBAR_ADDED:
LISTBOX_UpdateScrollers(hObj);
break;
}
break;
case WM_PAINT:
_OnPaint(hObj, pObj, pMsg);
break;
case WM_PID_STATE_CHANGED:
{
const WM_PID_STATE_CHANGED_INFO* pInfo = (const WM_PID_STATE_CHANGED_INFO*)pMsg->Data.p;
if (pInfo->State) {
int Sel;
Sel = _GetItemFromPos(hObj, pObj, pInfo->x, pInfo->y);
if (Sel >= 0) {
_ToggleMultiSel(hObj, pObj, Sel);
LISTBOX_SetSel(hObj, Sel);
}
_NotifyOwner(hObj, WM_NOTIFICATION_CLICKED);
return;
}
}
break;
case WM_TOUCH:
_OnTouch(hObj, pMsg);
return;
#if GUI_SUPPORT_MOUSE
case WM_MOUSEOVER:
if (_OnMouseOver(hObj, pObj, pMsg) == 0)
return;
break;
#endif
case WM_DELETE:
_FreeAttached(pObj);
break; /* No return here ... WM_DefaultProc needs to be called */
case WM_KEY:
if (((const WM_KEY_INFO*)(pMsg->Data.p))->PressedCnt > 0) {
int Key;
Key = ((const WM_KEY_INFO*)(pMsg->Data.p))->Key;
if (LISTBOX_AddKey(hObj, Key)) {
return;
}
}
break;
case WM_SIZE:
LISTBOX_UpdateScrollers(hObj);
WM_InvalidateWindow(hObj);
break;
}
WM_DefaultProc(pMsg);
}
/*********************************************************************
*
* LISTVIEW_Callback
*/
void LISTVIEW_Callback (WM_MESSAGE *pMsg) {
LISTVIEW_Handle hObj;
LISTVIEW_Obj* pObj;
WM_SCROLL_STATE ScrollState;
hObj = pMsg->hWin;
/* Let widget handle the standard messages */
if (WIDGET_HandleActive(hObj, pMsg) == 0) {
return;
}
pObj = (LISTVIEW_Obj *)GUI_ALLOC_h2p(hObj); /* Don't use use WIDGET_H2P because WIDGET_INIT_ID() has not be called at this point */
switch (pMsg->MsgId) {
case WM_NOTIFY_CLIENTCHANGE:
case WM_SIZE:
if (pMsg->hWinSrc && (pMsg->hWinSrc == pObj->hHeader)) {
LISTVIEW__UpdateScrollParas(hObj, pObj);
}
return;
case WM_NOTIFY_PARENT:
switch (pMsg->Data.v) {
case WM_NOTIFICATION_CHILD_DELETED:
/* make sure we do not send any messages to the header child once it has been deleted */
if (pMsg->hWinSrc == pObj->hHeader) {
pObj->hHeader = 0;
}
break;
case WM_NOTIFICATION_VALUE_CHANGED:
if (pMsg->hWinSrc == WM_GetScrollbarV(hObj)) {
WM_GetScrollState(pMsg->hWinSrc, &ScrollState);
pObj->ScrollStateV.v = ScrollState.v;
LISTVIEW__InvalidateInsideArea(hObj, pObj);
_NotifyOwner(hObj, WM_NOTIFICATION_SCROLL_CHANGED);
} else if (pMsg->hWinSrc == WM_GetScrollbarH(hObj)) {
WM_GetScrollState(pMsg->hWinSrc, &ScrollState);
pObj->ScrollStateH.v = ScrollState.v;
LISTVIEW__UpdateScrollParas(hObj, pObj);
HEADER_SetScrollPos(pObj->hHeader, pObj->ScrollStateH.v);
_NotifyOwner(hObj, WM_NOTIFICATION_SCROLL_CHANGED);
}
break;
case WM_NOTIFICATION_SCROLLBAR_ADDED:
#if WIDGET_USE_PARENT_EFFECT
WIDGET_SetEffect(pMsg->hWinSrc, pObj->Widget.pEffect);
#endif
LISTVIEW__UpdateScrollParas(hObj, pObj);
break;
case WM_NOTIFICATION_RELEASED:
if ((pMsg->hWinSrc == pObj->hHeader) && (pObj->hSort)) {
int Column;
LISTVIEW_SORT * pSort;
LISTVIEW_COLUMN * pColumn;
WM_SetFocus(hObj);
Column = HEADER_GetSel(pObj->hHeader);
if (Column >= 0) {
pColumn = (LISTVIEW_COLUMN *)GUI_ARRAY_GetpItem(&pObj->ColumnArray, Column);
if (pColumn->fpCompare) {
pSort = (LISTVIEW_SORT *)GUI_ALLOC_h2p(pObj->hSort);
if (pSort) {
// ReverseSort
if (pObj->SortIndex == Column) {
pSort->Reverse ^= 1;
pObj->ReverseSort = 1;
pObj->IsSorted = 0;
} else {
pSort->Reverse = 0;
pObj->SortIndex = Column;
pObj->IsPresorted = 0;
}
/*
if (pObj->SortIndex == Column) {
pSort->Reverse ^= 1;
} else {
pSort->Reverse = 0;
pObj->SortIndex = Column;
}
pObj->IsPresorted = 0;
*/
LISTVIEW__InvalidateInsideArea(hObj, pObj);
}
}
}
}
break;
}
return;
case WM_PAINT:
_Paint(hObj, pObj, pMsg);
return;
case WM_TOUCH:
_OnTouch(hObj, pObj, pMsg);
return; /* Important: message handled ! */
case WM_KEY:
if (((const WM_KEY_INFO*)(pMsg->Data.p))->PressedCnt > 0) {
int Key;
Key = ((const WM_KEY_INFO*)(pMsg->Data.p))->Key;
if (_AddKey(hObj, pObj, Key)) {
return;
}
}
break; /* No return here ... WM_DefaultProc needs to be called */
case WM_DELETE:
_FreeAttached(pObj);
break; /* No return here ... WM_DefaultProc needs to be called */
}
WM_DefaultProc(pMsg);
}
