TnbMfcTabCtrlEx.h

[詳解]

#pragma once
#include "TnbMfcCommon.h"
#include "TnbTextDrawer.h"
 
 
 
//TNB Library
namespace TNB {
namespace MFC {
 
 
 
class CTabCtrlEx : public CTabCtrl
{
    DEFSUPER(CTabCtrl);
public:
 
    CTabCtrlEx(void) : m_selectTextColor(CLR_INVALID), m_selectBackColor(CLR_INVALID), m_isAttachedSpin(false)
    {
    }
 
    void SetSelectedColor(COLORREF text, COLORREF back = CLR_INVALID)
    {
        m_selectTextColor = text;
        m_selectBackColor = back;
    }
 
    CString GetItemText(int nItem) const
    {
        TC_ITEM tci;
        CString s;
        tci.mask = TCIF_TEXT;
        tci.pszText = s.GetBuffer(512);
        tci.cchTextMax = 511;
        if ( _super::GetItem(nItem, &tci) )
        {
            s.ReleaseBuffer();
        }
        else
        {
            s.ReleaseBuffer();
            s.Empty();
        }
        return s;
    }
 
    bool SetItemText(int nItem, LPCTSTR lpszText)
    {
        TC_ITEM tci;
        CString s = lpszText;
        tci.mask = TCIF_TEXT;
        tci.pszText = s.GetBuffer(512);
        tci.cchTextMax = 511;
        BOOL r = _super::SetItem(nItem, &tci);
        s.ReleaseBuffer();
        return !! r;
    }
 
    CSpinButtonCtrl* GetSpinButtonCtrl(void)
    {
        if ( ! m_isAttachedSpin && ! ::IsWindow(m_spin) )
        {
            m_spin.SubclassWindow(GetDlgItem(1)->GetSafeHwnd());
        }
        return &m_spin;
    }
 
protected:
 
    virtual void PreSubclassWindow(void)
    {
        m_isAttachedSpin = false;
        _super::ModifyStyle(0, TCS_OWNERDRAWFIXED);
        _super::PreSubclassWindow();
    }
 
    virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
    {
        if ( message == WM_CREATE )
        {
            m_isAttachedSpin = false;
        }
        if ( message == WM_DESTROY )
        {
            if ( ::IsWindow(m_spin) )
            {
                m_spin.UnsubclassWindow();
            }
        }
        if ( ! m_isAttachedSpin && ! ::IsWindow(m_spin) )
        {
            HWND h = GetDlgItem(1)->GetSafeHwnd();
            if ( h != NULL )
            {
                m_spin.SubclassWindow(h);
                m_isAttachedSpin = true;
            }
        }
        if ( message == WM_ERASEBKGND )
        {
            HDC dc = reinterpret_cast<HDC>(wParam);
            LRESULT res = _super::GetParent()->SendMessage(WM_CTLCOLORBTN, reinterpret_cast<WPARAM>(dc), _super::GetDlgCtrlID());
            HBRUSH b = reinterpret_cast<HBRUSH>(res);
            if ( b != NULL )
            {
                CRect rc;
                GetClientRect(rc);
                POINT po;
                MFCLIB::GetControlPos(this, po);
                ::SetBrushOrgEx(dc, po.x, po.y, NULL);
                ::FillRect(dc, &rc, b);
                return FALSE;
            }
        }
        return _super::WindowProc(message, wParam, lParam);
    }
    
    void DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct)
    {
        if ( lpDrawItemStruct->CtlType != ODT_TAB || lpDrawItemStruct->hwndItem != _super::GetSafeHwnd() )
        {
            return;
        }
        const CString& s = GetItemText(lpDrawItemStruct->itemID);
        RECT rc = lpDrawItemStruct->rcItem;
        HDC dc = lpDrawItemStruct->hDC;
        LRESULT res = _super::GetParent()->SendMessage(WM_CTLCOLORBTN, reinterpret_cast<WPARAM>(dc), _super::GetDlgCtrlID());
        HBRUSH b = reinterpret_cast<HBRUSH>(res);
        COLORREF c = ::GetTextColor(dc);
        if ( (lpDrawItemStruct->itemState & ODS_SELECTED) != 0 )
        {
            if ( IS_RGBVALUE(m_selectBackColor) )
            {
                CBrush br;
                br.CreateSolidBrush(m_selectBackColor);
                ::FillRect(dc, &rc, br);
            }
            else
            {
                ::FillRect(dc, &rc, b);
            }
            if ( IS_RGBVALUE(m_selectTextColor) )
            {
                c = m_selectTextColor;
            }
        }
        else
        {
            ::FillRect(dc, &rc, b);
        }
        ::SetBkMode(dc, TRANSPARENT);
        rc.top += 5;
//      rc.bottom -= 3;//下付きの場合
 
        if ( false )
        {
            LOGFONT lf;
            CFont* pFont = GetFont();
            pFont->GetLogFont(&lf);
            lf.lfEscapement = 900;
            CStr s = "@";
            s += lf.lfFaceName;
            _tcscpy(lf.lfFaceName, s);
            CFont f;
            f.CreateFontIndirect(&lf);
            HGDIOBJ h = ::SelectObject(dc, f);
            CTextDrawer::DrawTextRect(dc, rc, DT_CENTER, c, s);
            ::SelectObject(dc, h);
            return; 
        }
 
 
        CTextDrawer::DrawTextRect(dc, rc, DT_CENTER, c, s);
    }
 
private:
    COLORREF        m_selectTextColor;      
    COLORREF        m_selectBackColor;      
    CSpinButtonCtrl m_spin;
    bool            m_isAttachedSpin;
};
 
 
 
}; // MFC
}; // TNB