60 lines
1.9 KiB
C
60 lines
1.9 KiB
C
/*
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*********************************************************************************************************
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* uC/GUI
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* Universal graphic software for embedded applications
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*
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* (c) Copyright 2002, Micrium Inc., Weston, FL
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* (c) Copyright 2002, SEGGER Microcontroller Systeme GmbH
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*
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* µC/GUI is protected by international copyright laws. Knowledge of the
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* source code may not be used to write a similar product. This file may
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* only be used in accordance with a license and should not be redistributed
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* in any way. We appreciate your understanding and fairness.
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*
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----------------------------------------------------------------------
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File : DROPDOWN_SetAutoScroll.c
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Purpose : Implementation of dropdown widget
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---------------------------END-OF-HEADER------------------------------
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*/
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#include "DROPDOWN_Private.h"
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#include "LISTBOX.h"
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#if GUI_WINSUPPORT
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/*********************************************************************
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*
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* Public routines
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*
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**********************************************************************
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*/
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/*********************************************************************
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*
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* DROPDOWN_SetAutoScroll
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*/
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void DROPDOWN_SetAutoScroll(DROPDOWN_Handle hObj, int OnOff) {
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if (hObj) {
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DROPDOWN_Obj* pObj;
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char Flags;
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WM_LOCK();
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pObj = DROPDOWN_H2P(hObj);
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Flags = pObj->Flags & (~DROPDOWN_SF_AUTOSCROLLBAR);
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if (OnOff) {
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Flags |= DROPDOWN_SF_AUTOSCROLLBAR;
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}
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if (pObj->Flags != Flags) {
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pObj->Flags = Flags;
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if (pObj->hListWin) {
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LISTBOX_SetAutoScrollV(pObj->hListWin, (Flags & DROPDOWN_SF_AUTOSCROLLBAR) ? 1 : 0);
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}
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}
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WM_UNLOCK();
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}
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}
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#else /* Avoid problems with empty object modules */
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void DROPDOWN_SetAutoScroll_C(void);
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void DROPDOWN_SetAutoScroll_C(void) {}
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#endif
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