Liren Large Software Subsidy 7/07.iso/c/c480/19.ddi/MFC/SAMPLES/CTRLTEST/FEATPEN.CP_/FEATPEN.CP

Text File | 1993-02-08 | 5.0 KB | 205 lines

// featpen.cpp : pen HEdit features
//
// This is a part of the Microsoft Foundation Classes C++ library.
// Copyright (C) 1992 Microsoft Corporation
// All rights reserved.
//
// This source code is only intended as a supplement to the
// Microsoft Foundation Classes Reference and Microsoft
// WinHelp documentation provided with the library.
// See these sources for detailed information regarding the
// Microsoft Foundation Classes product.

#include "stdafx.h"
#include "ctrltest.h"


// we need the MFC extensions for PenWindows
#include <afxpen.h>
// we also use the MFC common dialogs for color picker
#include <afxdlgs.h>

/////////////////////////////////////////////////////////////////////////////

class CPenFeatureDlg : public CDialog
{
public:
    //{{AFX_DATA(CPenFeatureDlg)
        enum { IDD = IDD_PENEDIT_FEATURES };
    //}}AFX_DATA
    CPenFeatureDlg()
        : CDialog(CPenFeatureDlg::IDD)
        { }

    // just 1 HEdit to play with
    CHEdit& Edit1()
                { return *(CHEdit*)GetDlgItem(IDC_EDIT1); }

// Implementation
protected:
    BOOL OnInitDialog();
    //{{AFX_MSG(CPenFeatureDlg)
    virtual void OnOK();
    afx_msg void OnConfigure();
    //}}AFX_MSG
    DECLARE_MESSAGE_MAP();
};

BEGIN_MESSAGE_MAP(CPenFeatureDlg, CDialog)
    //{{AFX_MSG_MAP(CPenFeatureDlg)
    ON_COMMAND(IDC_CONFIGURE, OnConfigure)
    //}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////

BOOL CPenFeatureDlg::OnInitDialog()
{
    // nothing special to do
    return TRUE;
}

void CPenFeatureDlg::OnOK()
{
#ifdef _DEBUG
    // dump results, normally you would do something with these
    CString s;
    Edit1().GetWindowText(s);
    TRACE("edit1 = '%s'\n", (const char*) s);
#endif

    EndDialog(IDOK);
}

/////////////////////////////////////////////////////////////////////////////
// Run the test

void CTestWindow::OnTestPenEditFeatures()
{
    TRACE("running HEdit feature test dialog\n");
    CPenFeatureDlg dlg;
    dlg.DoModal();
}


/////////////////////////////////////////////////////////////////////////////
// Configure the HEdit edit item
    // (note: local changes only)

// Dialog used for the configure option
class CConfigureHEditDlg : public CDialog
{
protected:
    CHEdit&     m_rHEdit;       // reference to Edit item to configure
    COLORREF    m_inkColor;     // for color picker

public:
    //{{AFX_DATA(CConfigureHEditDlg)
        enum { IDD = IDD_PENEDIT_CONFIGURE };
    //}}AFX_DATA

    CConfigureHEditDlg(CHEdit& rHEdit, CWnd* pParent = NULL)
        : CDialog(CConfigureHEditDlg::IDD, pParent),
            m_rHEdit(rHEdit)
        { }

// Implementation
protected:
    BOOL OnInitDialog();
    //{{AFX_MSG(CConfigureHEditDlg)
    virtual void OnOK();
    afx_msg void OnChooseInkColor();
    //}}AFX_MSG
    DECLARE_MESSAGE_MAP();
};

BEGIN_MESSAGE_MAP(CConfigureHEditDlg, CDialog)
    //{{AFX_MSG_MAP(CConfigureHEditDlg)
    ON_COMMAND(IDC_BUTTON2, OnChooseInkColor)
    //}}AFX_MSG_MAP
END_MESSAGE_MAP()

BOOL CConfigureHEditDlg::OnInitDialog()
{
    // fill in initial values
    RC rcInfo;
    VERIFY(m_rHEdit.GetRC(&rcInfo));            // get current settings

    // set the ALC bits (max of 32 of them, 1 checkbox each)
    TRACE("initial ALC = 0x%lx\n", rcInfo.alc);
    for (int i = 0; i < 32; i++)
    {
        if (rcInfo.alc & (1L<<i))
            CheckDlgButton(IDC_ALC_FIRST+i, TRUE);
                // check control if there is one
    }

    // set LeftHanded
    if (rcInfo.wRcPreferences & RCP_LEFTHAND)
        CheckDlgButton(IDC_BUTTON1, TRUE);

    // set ink info
    SetDlgItemInt(IDC_EDIT1, rcInfo.nInkWidth);
    m_inkColor = rcInfo.rgbInk;
    return TRUE;
}

void CConfigureHEditDlg::OnOK()
{
    // get info from dialog, update fields of RC as appropriate
    RC rcInfo;
    VERIFY(m_rHEdit.GetRC(&rcInfo));            // get current settings

    for (int i = 0; i < 32; i++)
    {
        CButton* pButton = (CButton*)GetDlgItem(IDC_ALC_FIRST + i);
        if (pButton != NULL)
        {
            // set bit depending on checkbox content
            if (pButton->GetCheck())
                rcInfo.alc |= (1L << i);
            else
                rcInfo.alc &= ~(1L << i);
        }
    }

    if (IsDlgButtonChecked(IDC_BUTTON1))
        rcInfo.wRcPreferences |= RCP_LEFTHAND;
    else
        rcInfo.wRcPreferences &= ~RCP_LEFTHAND;

    BOOL bOk;
    rcInfo.nInkWidth = GetDlgItemInt(IDC_EDIT1, &bOk);
    if (!bOk || rcInfo.nInkWidth < -1 || rcInfo.nInkWidth > 15)
    {
        MessageBox("Illegal Ink Width (-1 .. 15 permitted)");
        CEdit* pEdit = (CEdit*)GetDlgItem(IDC_EDIT1);
        pEdit->SetSel(0, -1);
        pEdit->SetFocus();
        return;
    }
    rcInfo.rgbInk = m_inkColor;

    // set the final values
    VERIFY(m_rHEdit.SetRC(&rcInfo));
    EndDialog(IDOK);
}

void CConfigureHEditDlg::OnChooseInkColor()
{
    COLORREF crPrompt = ((m_inkColor != RC_LDEFAULT) ? m_inkColor : 0);
        // default to 0 (black) for default color

    CColorDialog dlg(crPrompt, CC_PREVENTFULLOPEN, this);
    if (dlg.DoModal() == IDOK)
        m_inkColor = dlg.GetColor();
}

void CPenFeatureDlg::OnConfigure()
{
    CConfigureHEditDlg dlg(Edit1(), this);
    dlg.DoModal();
}

/////////////////////////////////////////////////////////////////////////////