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Window Unhidder

, 14 Feb 2006
A utility to list and hide/unhide all application windows.
// ListCtrlEx.cpp : implementation file
//

#include "stdafx.h"
#include "ListCtrlEx.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CListCtrlEx

CListCtrlEx::CListCtrlEx()
{
	m_doSort = true;
}

CListCtrlEx::~CListCtrlEx()
{
}


BEGIN_MESSAGE_MAP(CListCtrlEx, CListCtrl)
	//{{AFX_MSG_MAP(CListCtrlEx)
	ON_NOTIFY_REFLECT(LVN_COLUMNCLICK, OnColumnclick)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CListCtrlEx message handlers
BOOL CListCtrlEx::AddColumn(LPCTSTR strItem,int nItem,int tam,int nFmt,int nSubItem,int nMask)
{
	LV_COLUMN lvc;
	lvc.mask = nMask;
	lvc.fmt = nFmt;
	lvc.pszText = (LPTSTR) strItem;
	int tam2 = GetStringWidth(lvc.pszText) + 15;
	tam = tam>tam2?tam:tam2;
	lvc.cx = tam;
	if(nMask & LVCF_SUBITEM){
		if(nSubItem != -1)
			lvc.iSubItem = nSubItem;
		else
			lvc.iSubItem = nItem;
	}
	return InsertColumn(nItem,&lvc);
}
////////////////////////////////////////////
BOOL CListCtrlEx::AddItem(int nItem,int nSubItem,string strItem,int nImageIndex)
{
	return AddItem(nItem, nSubItem, strItem.c_str(), nImageIndex);
}
////////////////////////////////////////////
BOOL CListCtrlEx::AddItem(int nItem,int nSubItem,LPCTSTR strItem,int nImageIndex)
{
	LV_ITEM lvItem;
	lvItem.mask = LVIF_TEXT;
	lvItem.iItem = nItem;
	lvItem.iSubItem = nSubItem;
	lvItem.pszText = (LPTSTR) strItem;
	if(nImageIndex != -1){
		lvItem.mask |= LVIF_IMAGE;
		lvItem.iImage |= LVIF_IMAGE;
	}
	if(nSubItem == 0)
	{
		BOOL res=InsertItem(&lvItem);
		SetItemData(nItem,nItem);
		return res;
	}
	return SetItem(&lvItem);
}
BOOL CListCtrlEx::DelItem(int nItem)
{
	DeleteItem(nItem);
	return TRUE;
}
BOOL CListCtrlEx::DelAll()
{
	DeleteAllItems();
	return TRUE;
}

int CALLBACK Comparacion(LPARAM lParam1, LPARAM lParam2,LPARAM lParamSort)
{

	CListCtrlEx *GE = (CListCtrlEx *)lParamSort;
	int ValorDevuelto = 0;
	if (GE)
	{
	int Item1 = -1;
	int	Item2 = -1;
	int p=-1;
	
	bool rapido=0;
	
	LVFINDINFO FindInfo;
	FindInfo.flags = LVFI_PARAM;
	FindInfo.lParam = lParam1;
	Item1 = GE->FindItem( &FindInfo);
	if(rapido)p=Item1;
	FindInfo.lParam = lParam2;
	Item2 = GE->FindItem( &FindInfo,p);
	if(Item2<0) Beep(400,400);
	// Obtenemos el item por el que debemos ordenar (lo dice TipoOrdenacion)
	CString It1 = GE->GetItemText(Item1,GE->TipoOrdenacion);
	CString It2 = GE->GetItemText(Item2,GE->TipoOrdenacion);
	// Si ya hab�amos ordenado anteriormente por ese tipo de ordenaci�n (flag
	// ordenacionAnterior a true), devolvemos justo lo contrario de la comparaci�n
	// (para poder hacer orden ascendente y descendente)
	
	if(GE->m_SortCallbacks.size() > GE->TipoOrdenacion
		&& GE->m_SortCallbacks[GE->TipoOrdenacion])
		ValorDevuelto = (*(GE->m_SortCallbacks[GE->TipoOrdenacion]))(It1,It2);
	else
		ValorDevuelto =  strcmp(It1,It2);
	
	ValorDevuelto =(GE->OrdenacionAnterior)? -ValorDevuelto :ValorDevuelto ;
	
	return ValorDevuelto;
	}

	return 0;
}

void CListCtrlEx::OnColumnclick(NMHDR* pNMHDR, LRESULT* pResult) 
{
	NM_LISTVIEW* pNMListView = (NM_LISTVIEW*)pNMHDR;
	// TODO: Add your control notification handler code here
	if (TipoOrdenacion != pNMListView->iSubItem)
		// Nueva ordenacion:
		OrdenacionAnterior = false;
	else  // Invertimos la ordenacion:
		OrdenacionAnterior = !OrdenacionAnterior;
	// Obtenemos el tipo de ordenacion:
	TipoOrdenacion = pNMListView->iSubItem;
	// Ordenamos:
	if (m_doSort)SortItems( Comparacion, (LPARAM)this);
	
	*pResult = 0;
}

void CListCtrlEx::SetColumnSortCallback(int item, CallBack cb)
{
	if(m_SortCallbacks.size()<item+1)
		m_SortCallbacks.resize(item+1);
	m_SortCallbacks[item] = cb;
}

int IntComp(CString s1, CString s2)
{
	int i1 = atoi(s1);
	int i2 = atoi(s2);
	if(i1==i2)return 0;
	if(i1<i2) return -1;
	return 1;
}

BOOL CListCtrlEx::SelectItem(int item)
{
	return SetItem( item,0,LVIF_STATE,NULL,0,LVNI_SELECTED | LVNI_FOCUSED,LVNI_SELECTED | LVNI_FOCUSED,NULL); 
}

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About the Author

JJimenezShaw
Software Developer (Senior)
Spain Spain
Javier Jimenez Shaw. Born in Madrid in 1975. Civil engineer, is working developing financial algorithms for exotic products.

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