Mastering MFC Development/MMD.ISO/samples/c06/modal/dialogs.cpp

C/C++ Source or Header | 1997-02-20 | 5.3 KB | 184 lines

// Dialogs.cpp : implementation file
//

#include "stdafx.h"
#include "modal.h"

#include "Dialogs.h"
#include "ModalDoc.h"

#include "XtraFunc.h"

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

/////////////////////////////////////////////////////////////////////////////
// CColorListDlg dialog

CColorListDlg::CColorListDlg(COLORREF clr, CWnd* pParent /*=NULL*/)
    : CDialog(CColorListDlg::IDD, pParent),
    m_colorref(clr)
{
    //{{AFX_DATA_INIT(CColorListDlg)
    m_phrase = _T("");
    m_color = -1;
    //}}AFX_DATA_INIT
}

void CColorListDlg::DoDataExchange(CDataExchange* pDX)
{
    CDialog::DoDataExchange(pDX);
    //{{AFX_DATA_MAP(CColorListDlg)
    DDX_Control(pDX, IDC_COLOR_LIST, m_colorListBox);
    DDX_Text(pDX, IDC_PHRASE, m_phrase);
    DDX_LBIndex(pDX, IDC_COLOR_LIST, m_color);
    //}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CColorListDlg, CDialog)
    //{{AFX_MSG_MAP(CColorListDlg)
    //}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CColorListDlg message handlers
BOOL CColorListDlg::OnInitDialog()
{
    CDialog::OnInitDialog();

    m_colorListBox.AddString("Black");
    m_colorListBox.AddString("Red");
    m_colorListBox.AddString("Green");
    m_colorListBox.AddString("Blue");

    // In order to set the current selection in the list box, this
    // dialog box needs to know the current color. The easiest way
    // to communicate this information to the dialog box is to pass
    // in it via the constructor, and store it in the member variable
    // m_colorref. An alternative would be to obtain a pointer to the
    // active document and then call the GetColor function from here.
    // The method chosen is simpler.
    m_colorListBox.SetCurSel(RgbToInt(m_colorref));

    // These are the steps needed to precisely set the height
    // of the list box.
    CRect rect;
    int itemHeight;
    m_colorListBox.GetClientRect(&rect);
    m_colorListBox.MapWindowPoints(this, & rect);
    itemHeight = m_colorListBox.GetItemHeight(0) + 1;
    rect.bottom = rect.top + 4 * itemHeight;
    m_colorListBox.MoveWindow(&rect);

    return TRUE;  // return TRUE unless you set the focus to a control
                  // EXCEPTION: OCX Property Pages should return FALSE
}

/////////////////////////////////////////////////////////////////////////////
// CColorPhraseDlg dialog
CColorPhraseDlg::CColorPhraseDlg(CWnd* pParent /*=NULL*/)
    : CDialog(CColorPhraseDlg::IDD, pParent)
{
    //{{AFX_DATA_INIT(CColorPhraseDlg)
    m_color = -1;
    m_phrase = _T("");
    //}}AFX_DATA_INIT
}

void CColorPhraseDlg::DoDataExchange(CDataExchange* pDX)
{
    CDialog::DoDataExchange(pDX);
    //{{AFX_DATA_MAP(CColorPhraseDlg)
    DDX_Radio(pDX, IDC_BLACK, m_color);
    DDX_Text(pDX, IDC_PHRASE, m_phrase);
    //}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CColorPhraseDlg, CDialog)
    //{{AFX_MSG_MAP(CColorPhraseDlg)
        // NOTE: the ClassWizard will add message map macros here
    //}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CColorPhraseDlg message handlers


/////////////////////////////////////////////////////////////////////////////
// CListWithItemDataDlg dialog
CListWithItemDataDlg::CListWithItemDataDlg(CWnd* pParent /*=NULL*/)
    : CDialog(CListWithItemDataDlg::IDD, pParent)
{
    //{{AFX_DATA_INIT(CListWithItemDataDlg)
    m_phrase = _T("");
    //}}AFX_DATA_INIT
}

void CListWithItemDataDlg::DoDataExchange(CDataExchange* pDX)
{
    CDialog::DoDataExchange(pDX);
    //{{AFX_DATA_MAP(CListWithItemDataDlg)
    DDX_Text(pDX, IDC_PHRASE, m_phrase);
    //}}AFX_DATA_MAP

    // If you want the list box's ItemData field available
    // in the dialog class, you've got to do the transfer
    // yourself
    if (pDX->m_bSaveAndValidate)
    {
        CListBox * clb = (CListBox *)GetDlgItem(IDC_COLOR_LIST);
        m_color = clb->GetItemData(clb->GetCurSel());
    }
}

BEGIN_MESSAGE_MAP(CListWithItemDataDlg, CDialog)
    //{{AFX_MSG_MAP(CListWithItemDataDlg)
    //}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CListWithItemDataDlg message handlers

BOOL CListWithItemDataDlg::OnInitDialog()
{
    CDialog::OnInitDialog();

    // Since no Listbox member exists in the dialog class
    // we'll access the list box via a pointer obtained
    // from GetDlgItem.
    CListBox * clb = (CListBox *)GetDlgItem(IDC_COLOR_LIST);

    // In this dialog box, the string is for appearance
    // only. The real value of the user's selection will be
    // the 32-bit value that is stored via SetItemData.
    // If there were move than 4 entries in the list box,
    // this section of code coudl be improved with some
    // arrays and a for loop.
    clb->AddString("Black");
    clb->SetItemData(0, BLACK);
    clb->AddString("Red");
    clb->SetItemData(1, RED);
    clb->AddString("Green");
    clb->SetItemData(2, GREEN);
    clb->AddString("Blue");
    clb->SetItemData(3, BLUE);

    // Set the initial selection in the list box.
    clb->SetCurSel(RgbToInt(m_color));

    // Size the list box.
    CRect rect;
    int itemHeight;
    clb->GetClientRect(&rect);
    clb->MapWindowPoints(this, & rect);
    itemHeight = clb->GetItemHeight(0) + 1;
    rect.bottom = rect.top + 4 * itemHeight;
    clb->MoveWindow(&rect);

    return TRUE;  // return TRUE unless you set the focus to a control
                  // EXCEPTION: OCX Property Pages should return FALSE
}