freertos_f407/User/system/lib/lcd/gui/Widget/EDIT_GetNumChars.c

59 lines
1.7 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 : EDIT_GetNumChars.c
Purpose : Implementation of edit widget
---------------------------END-OF-HEADER------------------------------
*/
#include "EDIT.h"
#include "EDIT_Private.h"
#if GUI_WINSUPPORT
/*********************************************************************
*
* Exported routines
*
**********************************************************************
*/
/*********************************************************************
*
* EDIT_GetNumChars
*/
int EDIT_GetNumChars(EDIT_Handle hObj) {
int NumChars = 0;
if (hObj) {
EDIT_Obj* pObj;
WM_LOCK();
pObj = EDIT_H2P(hObj);
if (pObj->hpText) {
char * pText;
pText = (char*) GUI_ALLOC_h2p(pObj->hpText);
NumChars = GUI__GetNumChars(pText);
}
WM_UNLOCK();
}
return NumChars;
}
#else /* avoid empty object files */
void EDIT_GetNumChars_C(void);
void EDIT_GetNumChars_C(void) {}
#endif /* GUI_WINSUPPORT */