110 lines
2.9 KiB
C
110 lines
2.9 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 : WM_SetScrollbar.c
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Purpose : Implementation of WM_SetScrollbarV, WM_SetScrollbarH
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----------------------------------------------------------------------
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*/
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#include "WM_Intern.h"
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#include "SCROLLBAR.h"
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#if GUI_WINSUPPORT /* If 0, WM will not generate any code */
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/*********************************************************************
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*
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* Static code
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*
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**********************************************************************
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*/
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/*********************************************************************
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*
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* _SetScrollbar
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*
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* Return value: 1 if scrollbar was visible, 0 if not
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*/
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static int _SetScrollbar(WM_HWIN hWin, int OnOff, int Id, int Flags) {
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WM_HWIN hBar;
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hBar = WM_GetDialogItem(hWin, Id);
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if (OnOff) {
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if (!hBar) {
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SCROLLBAR_CreateAttached(hWin, Flags);
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}
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} else {
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WM_HideWindow(hBar);
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if (hBar) {
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WM_DeleteWindow(hBar);
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}
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}
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return (hBar ? 1 : 0);
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}
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/*********************************************************************
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*
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* Public code
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*
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**********************************************************************
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*/
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/*********************************************************************
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*
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* WM__SetScrollbarV
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*
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*/
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int WM__SetScrollbarV(WM_HWIN hWin, int OnOff) {
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return _SetScrollbar(hWin, OnOff, GUI_ID_VSCROLL, SCROLLBAR_CF_VERTICAL);
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}
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/*********************************************************************
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*
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* WM__SetScrollbarH
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*
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*/
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int WM__SetScrollbarH(WM_HWIN hWin, int OnOff) {
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return _SetScrollbar(hWin, OnOff, GUI_ID_HSCROLL, 0);
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}
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/*********************************************************************
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*
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* WM_SetScrollbarH
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*
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*/
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int WM_SetScrollbarH(WM_HWIN hWin, int OnOff) {
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int r;
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WM_LOCK();
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r = WM__SetScrollbarH(hWin, OnOff);
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WM_UNLOCK();
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return r;
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}
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/*********************************************************************
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*
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* WM_SetScrollbarV
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*
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*/
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int WM_SetScrollbarV(WM_HWIN hWin, int OnOff) {
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int r;
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WM_LOCK();
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r = WM__SetScrollbarV(hWin, OnOff);
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WM_UNLOCK();
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return r;
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}
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#else
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void WM_SetScrollbar_c(void) {} /* avoid empty object files */
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#endif
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/*************************** End of file ****************************/
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