// DlgCapture.cpp : implementation file
//
#include "stdafx.h"
#include "demo.h"
#include "DlgCapture.h"
#include "enumwnd.h" //global structures for task enumeration
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
//////////////////////////////////////////////////////////////////////////////
BOOL CALLBACK EnumWindowsProc(HWND hwnd,LPARAM lParam)
{
DWORD i;
RECT r;
CHAR buf[MAX_PATH];
PTASK_LIST_ENUM te = (PTASK_LIST_ENUM)lParam;
PTASK_LIST tlist = te->tlist;
DWORD numTasks = te->numtasks;
i=1+tlist[0].dwProcessId;
// max 255 windows (I think it's enough)
if (i<255){
// filter the windows to capture
if (IsWindowVisible(hwnd) && !IsIconic(hwnd)){
GetClientRect(hwnd,&r);
// discard strange windows
if (r.right>4 && r.bottom>4){
// get the window caption
if (GetWindowText(hwnd, buf, sizeof(buf) )) {
tlist[i].hwnd = hwnd; // store hwnd
strcpy( tlist[i].WindowTitle, buf ); // store caption
tlist[0].dwProcessId++;
}
}
}
}
return TRUE;
}
//////////////////////////////////////////////////////////////////////////////
// DlgCapture dialog
//////////////////////////////////////////////////////////////////////////////
DlgCapture::DlgCapture(CWnd* pParent /*=NULL*/)
: CDialog(DlgCapture::IDD, pParent)
{
//{{AFX_DATA_INIT(DlgCapture)
//}}AFX_DATA_INIT
}
//////////////////////////////////////////////////////////////////////////////
void DlgCapture::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(DlgCapture)
DDX_Control(pDX, IDOK, m_ok);
DDX_Control(pDX, IDCANCEL, m_canc);
DDX_Control(pDX, IDC_LIST1, m_list);
//}}AFX_DATA_MAP
}
//////////////////////////////////////////////////////////////////////////////
BEGIN_MESSAGE_MAP(DlgCapture, CDialog)
//{{AFX_MSG_MAP(DlgCapture)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
//////////////////////////////////////////////////////////////////////////////
// DlgCapture message handlers
BOOL DlgCapture::OnInitDialog()
{
CDialog::OnInitDialog();
m_ok.SetIcon(IDI_G,BS_LEFT);
m_canc.SetIcon(IDI_R,BS_LEFT);
//structures to contain the task info
TASK_LIST_ENUM te;
TASK_LIST tlist[256];
//reserved slot for task enum
tlist[0].dwProcessId = 0;
// task list
te.tlist = tlist;
// get the windows
EnumWindows(EnumWindowsProc,(LPARAM)(&te));
int numtasks=tlist[0].dwProcessId;
int idx;
// always add the desktop
idx = m_list.InsertString(-1,"Desktop");
m_list.SetItemData(idx,(DWORD)::GetDesktopWindow());
// fill the list with the other windows
for(int i=1;i<numtasks;i++){
idx = m_list.InsertString(-1,tlist[i].WindowTitle);
m_list.SetItemData(idx,(DWORD)tlist[i].hwnd);
}
// default selection
m_list.SetCurSel(0);
return TRUE; // return TRUE unless you set the focus to a control
// EXCEPTION: OCX Property Pages should return FALSE
}
//////////////////////////////////////////////////////////////////////////////
void DlgCapture::OnOK()
{
int idx = m_list.GetCurSel();
m_SelectedWnd=(HWND)m_list.GetItemData(idx);
m_list.GetText(idx,m_SelectedTitle);
CDialog::OnOK();
}
//////////////////////////////////////////////////////////////////////////////
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