67 lines
2.1 KiB
C
67 lines
2.1 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 : LISTVIEW_SetSel.c
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Purpose : Implementation of LISTVIEW_SetSel
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---------------------------END-OF-HEADER------------------------------
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*/
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#include "LISTVIEW_Private.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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* LISTVIEW_SetSel
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*/
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void LISTVIEW_SetSel(LISTVIEW_Handle hObj, int NewSel) {
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if (hObj) {
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LISTVIEW_Obj* pObj;
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int MaxSel;
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WM_LOCK();
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pObj = LISTVIEW_H2P(hObj);
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MaxSel = GUI_ARRAY_GetNumItems(&pObj->RowArray) - 1;
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if (NewSel > MaxSel) {
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NewSel = MaxSel;
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}
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if (NewSel < 0) {
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NewSel = -1;
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}
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if (NewSel != pObj->Sel) {
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int OldSel;
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OldSel = pObj->Sel;
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pObj->Sel = NewSel;
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if (LISTVIEW__UpdateScrollPos(hObj, pObj)) {
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LISTVIEW__InvalidateInsideArea(hObj, pObj);
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} else {
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LISTVIEW__InvalidateRow(hObj, pObj, OldSel);
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LISTVIEW__InvalidateRow(hObj, pObj, NewSel);
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}
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WM_NotifyParent(hObj, WM_NOTIFICATION_SEL_CHANGED);
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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 LISTVIEW_SetSel_C(void);
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void LISTVIEW_SetSel_C(void) {}
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#endif
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