freertos_f407/User/system/lib/lcd/gui/WM/WM_BringToTop.c

110 lines
3.1 KiB
C

/*
*********************************************************************************************************
* uC/GUI
* Universal graphic software for embedded applications
*
* (c) Copyright 2002, Micrium Inc., Weston, FL
* (c) Copyright 2002, SEGGER Microcontroller Systeme GmbH
*
* µC/GUI is protected by international copyright laws. Knowledge of the
* source code may not be used to write a similar product. This file may
* only be used in accordance with a license and should not be redistributed
* in any way. We appreciate your understanding and fairness.
*
----------------------------------------------------------------------
File : WM_BringToTop.c
Purpose : Windows manager routine
----------------------------------------------------------------------
*/
#include "WM_Intern.h"
#if GUI_WINSUPPORT /* If 0, WM will not generate any code */
/*********************************************************************
*
* Data types
*
**********************************************************************
*/
typedef struct {
GUI_RECT Rect;
} VCDATA;
/*********************************************************************
*
* Static code
*
**********************************************************************
*/
/*********************************************************************
*
* _cbInvalidateOne
*/
static void _cbInvalidateOne(WM_HWIN hWin, void * p) {
GUI_USE_PARA(p);
WM_InvalidateWindow(hWin);
}
/*********************************************************************
*
* _InvalidateWindowAndDescs
*/
static void _InvalidateWindowAndDescs(WM_HWIN hWin) {
WM_InvalidateWindow(hWin);
WM_ForEachDesc(hWin, _cbInvalidateOne, 0);
}
/*********************************************************************
*
* _BringToTop
*/
static void _BringToTop(WM_HWIN hWin) {
WM_HWIN hNext, hParent;
WM_Obj * pWin, * pNext;
if (hWin) {
pWin = WM_H2P(hWin);
hNext = pWin->hNext;
/* Is window alread on top ? If so, we are done. (Not required, just an optimization) */
if (hNext == 0) {
return;
}
/* For non-top windows, it is good enough if the next one is a stay-on-top-window (Not required, just an optimization) */
if ((pWin->Status & WM_SF_STAYONTOP) == 0) {
pNext = WM_H2P(hNext);
if (pNext->Status & WM_SF_STAYONTOP) {
return;
}
}
hParent = pWin->hParent;
WM__RemoveWindowFromList(hWin);
WM__InsertWindowIntoList(hWin, hParent);
_InvalidateWindowAndDescs(hWin);
}
}
/*********************************************************************
*
* Public code
*
**********************************************************************
*/
/*********************************************************************
*
* WM_BringToTop
*/
void WM_BringToTop(WM_HWIN hWin) {
WM_LOCK();
_BringToTop(hWin);
WM_UNLOCK();
}
#else
void WM_BringToTop_c(void) {} /* avoid empty object files */
#endif /* GUI_WINSUPPORT */
/*************************** End of file ****************************/