PropTreeItemEditButton.cpp

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// PropTreeItemEdit.cpp : implementation file
//
//  Copyright (C) 1998-2001 Scott Ramsay
//      sramsay@gonavi.com
//      http://www.gonavi.com
//
//  This material is provided "as is", with absolutely no warranty expressed
//  or implied. Any use is at your own risk.
// 
//  Permission to use or copy this software for any purpose is hereby granted 
//  without fee, provided the above notices are retained on all copies.
//  Permission to modify the code and to distribute modified code is granted,
//  provided the above notices are retained, and a notice that the code was
//  modified is included with the above copyright notice.
// 
//      If you use this code, drop me an email.  I'd like to know if you find the code
//      useful.

//#include "stdafx.h"
#include "../../../idlib/precompiled.h"
#pragma hdrstop

#include "proptree.h"
#include "PropTreeItemEditButton.h"

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

#define BUTTON_SIZE 17

// CPropTreeItemEditButton

CPropTreeItemEditButton::CPropTreeItemEditButton() :
m_sEdit(_T("")),
m_nFormat(ValueFormatText),
m_bPassword(FALSE),
m_fValue(0.0f)
{
        mouseDown = false;
}

CPropTreeItemEditButton::~CPropTreeItemEditButton()
{
}


BEGIN_MESSAGE_MAP(CPropTreeItemEditButton, CEdit)
        //{{AFX_MSG_MAP(CPropTreeItemEditButton)
        ON_WM_GETDLGCODE()
        ON_WM_KEYDOWN()
        ON_CONTROL_REFLECT(EN_KILLFOCUS, OnKillfocus)
        //}}AFX_MSG_MAP
END_MESSAGE_MAP()

// CPropTreeItemEditButton message handlers

LONG CPropTreeItemEditButton::DrawItem( CDC* pDC, const RECT& rc, LONG x, LONG y )
{
        CSize   textSize;
        CRect   textRect;
        LONG    nTotal = 0;

        nTotal = CPropTreeItemEdit::DrawItem( pDC, rc, x, y );

        textSize = pDC->GetOutputTextExtent( buttonText );

        buttonRect.left = m_rc.right - ( textSize.cx + 12 + 4);
        buttonRect.top = m_rc.top + ((m_rc.bottom - m_rc.top)/2)-BUTTON_SIZE/2;
        buttonRect.right = buttonRect.left + textSize.cx + 12;
        buttonRect.bottom = buttonRect.top + BUTTON_SIZE;

        UINT buttonStyle;

        if ( (m_dwState & TreeItemChecked) ) {
                buttonStyle = DFCS_BUTTONPUSH | DFCS_PUSHED;
        } else {
                buttonStyle = DFCS_BUTTONPUSH;
        }
        pDC->DrawFrameControl(&buttonRect, DFC_BUTTON, buttonStyle );

        textRect = buttonRect;
        textRect.left += 4;
        textRect.right -= 8;
        pDC->DrawText( buttonText, textRect, DT_SINGLELINE|DT_VCENTER );

        //Adjust hit test rect to acount for window scrolling
        hitTestRect = buttonRect;
        hitTestRect.OffsetRect(0, m_pProp->GetOrigin().y);

        return nTotal;
}

void CPropTreeItemEditButton::DrawAttribute(CDC* pDC, const RECT& rc)
{
        ASSERT(m_pProp!=NULL);

        pDC->SelectObject(IsReadOnly() ? m_pProp->GetNormalFont() : m_pProp->GetBoldFont());
        pDC->SetTextColor(RGB(0,0,0));
        pDC->SetBkMode(TRANSPARENT);

        CRect r = rc;
        r.right = buttonRect.left - 5;

        TCHAR ch;

        // can't use GetPasswordChar(), because window may not be created yet
        ch = (m_bPassword) ? '*' : '\0';

        if (ch)
        {
                CString s;

                s = m_sEdit;
                for (LONG i=0; i<s.GetLength();i++)
                        s.SetAt(i, ch);

                pDC->DrawText(s, r, DT_SINGLELINE|DT_VCENTER);
        }
        else
        {
                pDC->DrawText(m_sEdit, r, DT_SINGLELINE|DT_VCENTER);
        }
}



void CPropTreeItemEditButton::SetAsPassword(BOOL bPassword)
{
        m_bPassword = bPassword;
}


void CPropTreeItemEditButton::SetValueFormat(ValueFormat nFormat)
{
        m_nFormat = nFormat;
}


LPARAM CPropTreeItemEditButton::GetItemValue()
{
        switch (m_nFormat)
        {
        case ValueFormatNumber:
                return _ttoi(m_sEdit);

        case ValueFormatFloatPointer:
                _stscanf(m_sEdit, _T("%f"), &m_fValue);
                return (LPARAM)&m_fValue;
        }

        return (LPARAM)(LPCTSTR)m_sEdit;
}


void CPropTreeItemEditButton::SetItemValue(LPARAM lParam)
{
        switch (m_nFormat)
        {
        case ValueFormatNumber:
                m_sEdit.Format(_T("%d"), lParam);
                return;

        case ValueFormatFloatPointer:
                {
                        TCHAR tmp[MAX_PATH];
                        m_fValue = *(float*)lParam;
                        _stprintf(tmp, _T("%f"), m_fValue);
                        m_sEdit = tmp;
                }
                return;
        }

        if (lParam==0L)
        {
                TRACE0("CPropTreeItemEditButton::SetItemValue - Invalid lParam value\n");
                return;
        }

        m_sEdit = (LPCTSTR)lParam;
}


void CPropTreeItemEditButton::OnMove()
{
        if (IsWindow(m_hWnd))
                SetWindowPos(NULL, m_rc.left, m_rc.top, m_rc.Width(), m_rc.Height(), SWP_NOZORDER|SWP_NOACTIVATE);
}


void CPropTreeItemEditButton::OnRefresh()
{
        if (IsWindow(m_hWnd))
                SetWindowText(m_sEdit);
}


void CPropTreeItemEditButton::OnCommit()
{
        // hide edit control
        ShowWindow(SW_HIDE);

        // store edit text for GetItemValue
        GetWindowText(m_sEdit);
}


void CPropTreeItemEditButton::OnActivate(int activateType, CPoint point)
{
        // Check if the edit control needs creation
        if (!IsWindow(m_hWnd))
        {
                DWORD dwStyle;

                dwStyle = WS_CHILD|ES_AUTOHSCROLL;
                Create(dwStyle, m_rc, m_pProp->GetCtrlParent(), GetCtrlID());
                SendMessage(WM_SETFONT, (WPARAM)m_pProp->GetNormalFont()->m_hObject);
        }

        SetPasswordChar((TCHAR)(m_bPassword ? '*' : 0));
        SetWindowText(m_sEdit);
        SetSel(0, -1);

        SetWindowPos(NULL, m_rc.left, m_rc.top, m_rc.Width() - buttonRect.Width() - 5, m_rc.Height(), SWP_NOZORDER|SWP_SHOWWINDOW);
        SetFocus();
}


UINT CPropTreeItemEditButton::OnGetDlgCode() 
{
        return CEdit::OnGetDlgCode()|DLGC_WANTALLKEYS;
}


void CPropTreeItemEditButton::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags) 
{
        if (nChar==VK_RETURN)
                CommitChanges();

        CEdit::OnKeyDown(nChar, nRepCnt, nFlags);
}


void CPropTreeItemEditButton::OnKillfocus() 
{
        CommitChanges();        
}

BOOL CPropTreeItemEditButton::HitButton( const POINT& pt ) {
        return hitTestRect.PtInRect( pt );
}

void CPropTreeItemEditButton::SetButtonText( LPCSTR text ) {
        buttonText = text;
}