system/lib/lcd/gui/Widget/BUTTON_IsPressed.c

52 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 : BUTTON_IsPressed.c
Purpose : Button widget, various (optional) Get routines
---------------------------END-OF-HEADER------------------------------
*/
#include <string.h>
#include "BUTTON.h"
#include "BUTTON_Private.h"
#include "GUI_Protected.h"
#if GUI_WINSUPPORT
/*********************************************************************
*
* Exported functions
*
**********************************************************************
*/
/*********************************************************************
*
* BUTTON_IsPressed
*/
unsigned BUTTON_IsPressed(BUTTON_Handle hObj) {
unsigned r = 0;
if (hObj) {
BUTTON_Obj* pObj;
WM_LOCK();
pObj = BUTTON_H2P(hObj);
r = (pObj->Widget.State & BUTTON_STATE_PRESSED) ? 1 : 0;
WM_UNLOCK();
}
return r;
}
#else /* Avoid problems with empty object modules */
void BUTTON_IsPressed_C(void) {}
#endif