This repository has been archived on 2025-02-28. You can view files and clone it, but cannot push or open issues or pull requests.
controller-hd/User/lib/lcd/gui/WM/WM_SetScrollbar.c

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