85 lines
2.5 KiB
C
85 lines
2.5 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 : LISTBOX_SetAutoScroll.c
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Purpose : Implementation of LISTBOX_SetAutoScroll
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---------------------------END-OF-HEADER------------------------------
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*/
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#include <stdlib.h>
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#include <string.h>
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#include "GUI_ARRAY.h"
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#include "LISTBOX_Private.h"
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#include "SCROLLBAR.h"
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#include "GUIDebug.h"
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#include "GUI_Protected.h"
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#include "WM_Intern.h"
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#if GUI_WINSUPPORT
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/*********************************************************************
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*
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* Exported routines: Various methods
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*
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**********************************************************************
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*/
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/*********************************************************************
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*
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* LISTBOX_SetAutoScrollH
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*/
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void LISTBOX_SetAutoScrollH(LISTBOX_Handle hObj, int State) {
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if (hObj) {
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LISTBOX_Obj* pObj;
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char Flags;
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WM_LOCK();
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pObj = LISTBOX_H2P(hObj);
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Flags = pObj->Flags & (~LISTBOX_SF_AUTOSCROLLBAR_H);
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if (State) {
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Flags |= LISTBOX_SF_AUTOSCROLLBAR_H;
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}
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if (pObj->Flags != Flags) {
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pObj->Flags = Flags;
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LISTBOX_UpdateScrollers(hObj);
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}
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WM_UNLOCK();
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}
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}
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/*********************************************************************
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*
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* LISTBOX_SetAutoScrollV
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*/
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void LISTBOX_SetAutoScrollV(LISTBOX_Handle hObj, int State) {
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if (hObj) {
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LISTBOX_Obj* pObj;
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char Flags;
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WM_LOCK();
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pObj = LISTBOX_H2P(hObj);
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Flags = pObj->Flags & (~LISTBOX_SF_AUTOSCROLLBAR_V);
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if (State) {
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Flags |= LISTBOX_SF_AUTOSCROLLBAR_V;
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}
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if (pObj->Flags != Flags) {
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pObj->Flags = Flags;
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LISTBOX_UpdateScrollers(hObj);
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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 LISTBOX_SetAutoScroll_C(void) {}
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#endif
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