void WM_ResizeWindow(WM_HWIN hWin, int dx, int dy) {
GUI_RECT r;
WM_LOCK();
r = WM_HANDLE2PTR(hWin)->Rect;
if (dx>0)
r.x1+=dx;
if (dy>0)
r.y1+=dy;
WM_HANDLE2PTR(hWin)->Rect.x1+=dx;
WM_HANDLE2PTR(hWin)->Rect.y1+=dy;
WM_InvalidateArea(&r);
/* Send size message to the window */
WM__SendMsgNoData(hWin, WM_SIZE);
WM_UNLOCK();
}
/*********************************************************************
*
* WM_GetWindowOrgY
*/
int WM_GetWindowOrgY(WM_HWIN hWin) {
int r;
WM_LOCK();
r = WM_HANDLE2PTR(hWin)->Rect.y0;
WM_UNLOCK();
return r;
}
/*********************************************************************
*
* _GetNextChild
*
* Purpose:
* Returns a handle to the next child of a window.
*
* Parameters:
* hParent: handle of parent window.
* hChild: handle of child to begin our search to its next sibling.
*
* Return value:
* Handle to next child if we found one.
* 0 if window has no other children.
*/
static WM_HWIN _GetNextChild(WM_HWIN hParent, WM_HWIN hChild) {
WM_HWIN hObj = 0;
WM_Obj* pObj;
if (hChild) {
pObj = WM_HANDLE2PTR(hChild);
hObj = pObj->hNext;
}
if (!hObj) {
pObj = WM_HANDLE2PTR(hParent);
hObj = pObj->hFirstChild;
}
if (hObj != hChild) {
return hObj;
}
return 0;
}
static void _MoveAllChildren(WM_HWIN hChild, int dx, int dy) {
while (hChild) {
WM_Obj* pChild = WM_HANDLE2PTR(hChild);
WM__MoveWindow(hChild, dx, dy);
hChild = pChild->hNext;
}
}
/*********************************************************************
*
* WM__MoveTo
*/
void WM__MoveTo(WM_HWIN hWin, int x, int y) {
if (hWin) {
WM_Obj* pWin = WM_HANDLE2PTR(hWin);
x -= pWin->Rect.x0;
y -= pWin->Rect.y0;
WM__MoveWindow(hWin, x, y);
}
}
/*******************************************************************
*
* _Screen2hWin
This routine is recursive.
It checks if the given coordinates are in the window or a decendant.
Returns:
0: If coordinates are neither in the given window nor a decendent
!=0 Handle of the topmost visible decendent in which the given
coordinate falls.
*/
static WM_HWIN _Screen2hWin(WM_HWIN hWin, int x, int y) {
WM_Obj* pWin = WM_HANDLE2PTR(hWin);
WM_HWIN hChild, hHit;
/* First check if the coordinates are in the given window. If not, return 0 */
if (_CheckHit(pWin, x, y) == 0) {
return 0;
}
/* If the coordinates are in a child, search deeper ... */
for (hChild = pWin->hFirstChild; hChild; ) {
WM_Obj* pChild = WM_HANDLE2PTR(hChild);
if ((hHit = _Screen2hWin(hChild, x, y)) != 0) {
hWin = hHit; /* Found a window */
}
hChild = pChild->hNext;
}
return hWin; /* No Child affected ... The parent is the right one */
}
void WM_GetWindowRect(GUI_RECT* pRect) {
WM_LOCK();
if (pRect) {
WM_Obj* pWin = WM_HANDLE2PTR(GUI_Context.hAWin);
*pRect = pWin->Rect;
}
WM_UNLOCK();
}
/*********************************************************************
*
* WM_GetWindowOrgX
*/
int WM_GetWindowOrgX(WM_HWIN hWin) {
int r = 0;
if (hWin) {
WM_LOCK();
r = WM_HANDLE2PTR(hWin)->Rect.x0;
WM_UNLOCK();
}
return r;
}
void WM__SendMessageNoPara(WM_HWIN hWin, int MsgId) {
WM_MESSAGE Msg = {0};
WM_Obj* pWin = WM_HANDLE2PTR(hWin);
if (pWin->cb != NULL) {
Msg.hWin = hWin;
Msg.MsgId = MsgId;
(*pWin->cb)(&Msg);
}
}
void WM__SendMessage(WM_HWIN hWin, WM_MESSAGE* pMsg) {
WM_Obj* pWin = WM_HANDLE2PTR(hWin);
pMsg->hWin = hWin;
if (pWin->cb != NULL) {
(*pWin->cb)(pMsg);
} else {
WM_DefaultProc(pMsg);
}
}
void WM_SetSize(WM_HWIN hWin, int XSize, int YSize) {
WM_Obj* pWin;
if (!hWin)
return;
WM_LOCK();
pWin = WM_HANDLE2PTR(hWin);
pWin->Rect.x1 = pWin->Rect.x0 + XSize - 1;
pWin->Rect.y1 = pWin->Rect.y0 + YSize - 1;
WM__GetClientRectWin(pWin, &pWin->InvalidRect); /* Entire rectangle is invalid */
WM_UNLOCK();
}
/*********************************************************************
*
* _MoveDescendents
*
* Description
* Moves _MoveDescendents.
* Since the parent has already been moved, there is no need to
* take care of invalidation.
*
* Parameters
* hWin The first of all descendents to be moved (first child)
*/
static void _MoveDescendents(WM_HWIN hWin, int dx, int dy) {
WM_Obj* pWin;
for (;hWin; hWin = pWin->hNext) {
pWin = WM_HANDLE2PTR(hWin);
GUI_MoveRect(&pWin->Rect, dx, dy);
GUI_MoveRect(&pWin->InvalidRect, dx, dy);
_MoveDescendents(pWin->hFirstChild, dx, dy); /* Children need to be moved along ...*/
WM__SendMsgNoData(hWin, WM_MOVE);
}
}
void WM_ValidateWindow(WM_HWIN hWin) {
WM_Obj* pWin;
WM_LOCK();
if (hWin) {
pWin = WM_HANDLE2PTR(hWin);
if (pWin->Status & WM_SF_INVALID) {
pWin->Status &= ~WM_SF_INVALID;
WM__NumInvalidWindows--;
}
}
WM_UNLOCK();
}
/*********************************************************************
*
* Public module internal code
*
**********************************************************************
*/
void WM__MoveWindow(WM_HWIN hWin, int dx, int dy) {
GUI_RECT r;
WM_Obj* pWin;
pWin = WM_HANDLE2PTR(hWin);
r = pWin->Rect;
GUI_MoveRect(&pWin->Rect, dx, dy);
/* Invalidate old and new area ... */
if (pWin->Status & WM_SF_ISVIS) {
WM_InvalidateArea(&pWin->Rect); /* Invalidate new area */
WM_InvalidateArea(&r) ; /* Invalidate old area */
}
WM__SendMsgNoData(hWin, WM_MOVE); /* Notify window it has been moved */
_MoveAllChildren(pWin->hFirstChild, dx, dy); /* Children need to be moved along ...*/
}
/*********************************************************************
*
* static code
*
**********************************************************************
*/
static WM_HWIN _SetFocusOnNextChild(WM_HWIN hParent) { /* Set the focus to the first child */
WM_Obj* pParent = WM_HANDLE2PTR(hParent);
WM_Obj* pi;
WM_HWIN hChild = WM_GetFocussedChild(hParent);
WM_HWIN hi = hChild;
if (pParent->hFirstChild == 0) {
return 0; /* "Parent" does not have a child ... */
}
do {
if (hi == 0) {
hi = pParent->hFirstChild;
} else {
pi = WM_HANDLE2PTR(hi);
hi = pi->hNext;
}
if (hi == hChild) {
break; /* We have completed a round -- No other child to focus --- give up ! */
}
if (WM_SetFocus(hi)) {
break;
}
} while (1);
return hi;
}
/*******************************************************************
*
* WM_DialogItem
Recursively scan window and its child windows until dialog item is
found or all children have been scanned.
*/
WM_HWIN WM__GetDialogItem(WM_HWIN hWin, int Id) {
WM_HWIN hi;
WM_HWIN r =0;
WM_Obj* pWin = WM_H2P(hWin);
hi = pWin->hFirstChild;
while (hi) {
/* This windows Id matching ? */
if (WM_GetId(hi) == Id)
return hi;
/* Any child windows Id matching ? */
if ((r = WM__GetDialogItem(hi, Id)) != 0)
break;
hi = WM_HANDLE2PTR(hi)->hNext;
}
return r;
}
/*********************************************************************
*
* WM_ValidateRect
*
Use this function with great care ! It should under most circumstances not
be necessary to use it, as validation is done automatically as soon as
a window has been redrawn. If you validate a section of a window, this
part will not be included in the paint-command and could therefor not
be updated.
*/
void WM_ValidateRect(WM_HWIN hWin, const GUI_RECT*pRect) {
WM_Obj* pWin;
if (hWin) {
WM_LOCK();
pWin = WM_HANDLE2PTR(hWin);
if (pWin->Status & WM_SF_INVALID) {
if (pRect) {
_SubRect(&pWin->InvalidRect, &pWin->InvalidRect, pRect);
if (WM__RectIsNZ(&pWin->InvalidRect))
goto Done;
}
pWin->Status &= ~WM_SF_INVALID;
WM__NumInvalidWindows--;
}
Done:
WM_UNLOCK();
}
}
/*********************************************************************
*
* WM__SendMessage
*/
void WM__SendMessage(WM_HWIN hWin, WM_MESSAGE* pMsg) {
static int _EntranceCnt;
WM_Obj* pWin;
if (_EntranceCnt < GUI_MAX_MESSAGE_NESTING) {
pWin = WM_HANDLE2PTR(hWin);
pMsg->hWin = hWin;
if (pWin->cb != NULL) {
_EntranceCnt++;
(*pWin->cb)(pMsg);
_EntranceCnt--;
} else {
WM_DefaultProc(pMsg);
}
}
#if GUI_DEBUG_LEVEL >= GUI_DEBUG_LEVEL_CHECK_PARA
else {
GUI_DEBUG_ERROROUT("Max. message nesting exceeded, Message skipped.");
}
#endif
}
const GUI_RECT* WM_SetUserClipRect(const GUI_RECT* pRect) {
const GUI_RECT* pRectReturn;
GUI_RECT r;
WM_Obj* pAWin;
WM_LOCK();
pRectReturn = GUI_Context.WM__pUserClipRect;
GUI_Context.WM__pUserClipRect = pRect;
/* Activate it ... */
if (pRect) {
r = *pRect;
pAWin = WM_HANDLE2PTR(GUI_Context.hAWin);
WM__Client2Screen(pAWin, &r);
LCD_SetClipRectEx(&r);
} else {
WM_GetWindowRect(&r);
LCD_SetClipRectEx(&r);
}
WM_UNLOCK();
return pRectReturn;
}
/*********************************************************************
*
* WM__GetFirstSibling
Return value: Handle of parent, 0 if none
*/
WM_HWIN WM__GetFirstSibling(WM_HWIN hWin) {
hWin = WM_GetParent(hWin);
return (hWin) ? WM_HANDLE2PTR(hWin)->hFirstChild : 0;
}