D:/opendownloadmanager/ODM-1.x/MyMessageBox.cpp

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/*
  Free Download Manager Copyright (c) 2003-2007 FreeDownloadManager.ORG
  Open Download Manager Copyright (c) 2008-2010 OpenDownloadManager.ORG
*/      

#include "stdafx.h"
#include "FdmApp.h"
#include "MyMessageBox.h"

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

CMyMessageBox::CMyMessageBox(CWnd* pParent )
        : CDialog(CMyMessageBox::IDD, pParent)
{
        m_hIcon  = NULL;
        m_bChecked = false;
}  

void CMyMessageBox::DoDataExchange(CDataExchange* pDX)
{
        CDialog::DoDataExchange(pDX);
        //{{AFX_DATA_MAP(CMyMessageBox)
        DDX_Control(pDX, IDC_CHECK1, m_wndCheckbox);
        DDX_Control(pDX, IDC_BTN3, m_wndBtn3);
        DDX_Control(pDX, IDC_BTN2, m_wndBtn2);
        DDX_Control(pDX, IDC_BTN1, m_wndBtn1);
        DDX_Control(pDX, IDC__MSG, m_wndMsg);
        DDX_Control(pDX, IDC__ICON, m_wndIcon);
        //}}AFX_DATA_MAP
}  

BEGIN_MESSAGE_MAP(CMyMessageBox, CDialog)
        //{{AFX_MSG_MAP(CMyMessageBox)
        ON_BN_CLICKED(IDC_BTN1, OnBtn1)
        ON_BN_CLICKED(IDC_BTN2, OnBtn2)
        ON_BN_CLICKED(IDC_BTN3, OnBtn3)
        //}}AFX_MSG_MAP
END_MESSAGE_MAP()      

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

        const int DX = 10;
        const int DY = 10;
        const int BTN_DX = 3;
        
        ASSERT (m_strBtn1Text != "");
        ASSERT (m_strText != "");

        if (m_hIcon)
                m_wndIcon.SetIcon (m_hIcon);

        CRect rcIcon;
        m_wndIcon.GetWindowRect (&rcIcon);
        ScreenToClient (&rcIcon);

        CRect rcCheckbox;
        m_wndCheckbox.GetWindowRect (&rcCheckbox);
        ScreenToClient (&rcCheckbox);

        CDC* dc = GetDC ();

        dc->SelectObject (GetFont ());

        CRect rcBtn, rcBtn1, rcBtn2 (0,0,0,0), rcBtn3 (0,0,0,0);
        m_wndBtn1.GetWindowRect (&rcBtn);
        ScreenToClient (&rcBtn);
        dc->DrawText (m_strBtn1Text, &rcBtn1, DT_CALCRECT);
        if (m_strBtn2Text != "")
        {
                dc->DrawText (m_strBtn2Text, &rcBtn2, DT_CALCRECT);
                if (m_strBtn3Text != "")
                        dc->DrawText (m_strBtn3Text, &rcBtn3, DT_CALCRECT);
        }
        int w = max (rcBtn1.Width (), rcBtn2.Width ());
        w = max (w, rcBtn3.Width ());
        w += 10;
        if (w < 70)
                w = 70;
        rcBtn.right = rcBtn.left + w;

        CRect rcText (0,0,0,0);
        dc->DrawText (m_strText, &rcText, DT_CALCRECT);
        
        CRect rcCBText (0,0,0,0);
        dc->DrawText (m_strCheckBoxText, &rcCBText, DT_CALCRECT);
        rcCBText.right += 25;
        if (rcCBText.Width () > rcText.Width ())
                rcText.right = rcText.top + rcCBText.Width ();

        ReleaseDC (dc);

        CRect rcDlg;
        GetWindowRect (&rcDlg);
        
        CRect rcMsg;
        m_wndMsg.GetWindowRect (&rcMsg);
        ScreenToClient (&rcMsg);

        if (m_strCheckBoxText == "")
                rcDlg.bottom -= rcCheckbox.Height () + DX;

        if (m_hIcon == NULL)
                rcDlg.right -= rcIcon.Width () + DX;

        int dx = rcDlg.Width () - rcMsg.Width ();
        int dy = rcDlg.Height () - rcMsg.Height ();

        int DLG_WIDTH = rcText.Width () + dx;
        
        int FRAME_WIDTH = rcIcon.left;
        
        int LEFT = m_hIcon ? rcIcon.right + DX : FRAME_WIDTH;
        
        int BTNSW = rcBtn.Width () + LEFT + FRAME_WIDTH;
        if (m_strBtn3Text != "")
                BTNSW += (rcBtn.Width () + BTN_DX) * 2;
        else if (m_strBtn2Text != "")
                BTNSW += rcBtn.Width () + BTN_DX;
        
        if (DLG_WIDTH < BTNSW)
                DLG_WIDTH = BTNSW;

        SetWindowPos (NULL, 0, 0, DLG_WIDTH, rcText.Height () + dy, SWP_NOMOVE | SWP_NOZORDER);

        m_wndMsg.MoveWindow (LEFT, rcMsg.top, rcText.Width (), rcText.Height ());
        m_wndMsg.SetWindowText (m_strText);

        SetWindowText (m_strTitle);

        int h = rcCheckbox.Height ();
        rcCheckbox.top = rcMsg.top + rcText.Height () + DY;
        rcCheckbox.bottom = rcCheckbox.top + h;

        if (m_strCheckBoxText != "")
        {
                m_wndCheckbox.SetWindowText (m_strCheckBoxText);
                m_wndCheckbox.MoveWindow (LEFT, rcCheckbox.top, rcText.Width (), rcCheckbox.Height ());
                CheckDlgButton (IDC_CHECK1, m_bChecked ? BST_CHECKED : BST_UNCHECKED);
        }
        else
                m_wndCheckbox.ShowWindow (SW_HIDE);  

        if (m_strCheckBoxText != "")
        {
                int h = rcBtn.Height ();
                rcBtn.top = rcCheckbox.bottom + DY;
                rcBtn.bottom = rcBtn.top + h;
        }
        else
        {
                int h = rcBtn.Height ();
                rcBtn.top = rcCheckbox.top;
                rcBtn.bottom = rcBtn.top + h;
        }

        CRect rc; GetClientRect (&rc);
        int BTN_X = (rc.Width () + (BTNSW - LEFT)) / 2 - rcBtn.Width ();

        if (m_strBtn3Text != "")
        {
                m_wndBtn3.SetWindowText (m_strBtn3Text);
                m_wndBtn3.MoveWindow (BTN_X, rcBtn.top, rcBtn.Width (), rcBtn.Height ());
                BTN_X -= rcBtn.Width () + BTN_DX;
        }
        else
                m_wndBtn3.ShowWindow (SW_HIDE);

        if (m_strBtn2Text != "")
        {
                m_wndBtn2.SetWindowText (m_strBtn2Text);
                m_wndBtn2.MoveWindow (BTN_X, rcBtn.top, rcBtn.Width (), rcBtn.Height ());
                BTN_X -= rcBtn.Width () + BTN_DX;
        }
        else
                m_wndBtn2.ShowWindow (SW_HIDE);

        m_wndBtn1.SetWindowText (m_strBtn1Text);
        m_wndBtn1.MoveWindow (BTN_X, rcBtn.top, rcBtn.Width (), rcBtn.Height ());
        
        if (m_strBtn2Text != "")
                m_wndBtn2.SetWindowText (m_strBtn2Text);
        else
                m_wndBtn2.ShowWindow (SW_HIDE);

        if (m_hIcon == NULL)
                m_wndIcon.ShowWindow (SW_HIDE);
        
        return TRUE;
}

void CMyMessageBox::OnBtn1() 
{
        m_bChecked = IsDlgButtonChecked (IDC_CHECK1) == BST_CHECKED;
        EndDialog (IDC_BTN1);   
}

void CMyMessageBox::OnBtn2() 
{
        m_bChecked = IsDlgButtonChecked (IDC_CHECK1) == BST_CHECKED;
        EndDialog (IDC_BTN2);   
}

void CMyMessageBox::OnBtn3() 
{
        m_bChecked = IsDlgButtonChecked (IDC_CHECK1) == BST_CHECKED;
        EndDialog (IDC_BTN3);   
}

void CMyMessageBox::OnCancel() 
{
        if (m_strBtn2Text == "")
                OnBtn1 ();
        
        
}

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