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Annotation of mstools/mfc/samples/multipad/bar.cpp, revision 1.1

1.1     ! root        1: // bar.cpp : Defines a standard "chiseled" window, and a status bar window.
        !             2: //
        !             3: // This is a part of the Microsoft Foundation Classes C++ library.
        !             4: // Copyright (C) 1992 Microsoft Corporation
        !             5: // All rights reserved.
        !             6: //
        !             7: // This source code is only intended as a supplement to the
        !             8: // Microsoft Foundation Classes Reference and Microsoft
        !             9: // QuickHelp documentation provided with the library.
        !            10: // See these sources for detailed information regarding the
        !            11: // Microsoft Foundation Classes product.
        !            12: 
        !            13: #include "multipad.h"
        !            14: 
        !            15: #pragma code_seg("_MPTEXT")
        !            16: 
        !            17: /////////////////////////////////////////////////////////////////////////////
        !            18: // CBarWnd
        !            19: // See bar.h for details.
        !            20: 
        !            21: BEGIN_MESSAGE_MAP(CBarWnd, CWnd)
        !            22:        ON_WM_NCPAINT()
        !            23:        ON_WM_NCCALCSIZE()
        !            24: END_MESSAGE_MAP()
        !            25: 
        !            26: /*static*/ HCURSOR CBarWnd::m_hCursor;
        !            27: /*static*/ CString CBarWnd::m_szRegistration;
        !            28: 
        !            29: // Create:
        !            30: // Upon creation, we register our type with Windows as necessary.
        !            31: //
        !            32: BOOL CBarWnd::Create(CWnd* pParentWnd, CRect rect)
        !            33: {
        !            34:        if(m_szRegistration.IsEmpty())
        !            35:        {
        !            36:                m_hCursor = LoadCursor(NULL, IDC_ARROW);
        !            37:                m_szRegistration = AfxRegisterWndClass(0, m_hCursor,
        !            38:                        (HBRUSH)(COLOR_BTNFACE+1), 0);
        !            39:        }
        !            40: 
        !            41:        return CWnd::Create(m_szRegistration, NULL,
        !            42:                WS_CHILD | WS_VISIBLE | WS_BORDER, rect, pParentWnd, 0);
        !            43: }
        !            44: 
        !            45: // OnNcCalcSize:
        !            46: // We're being asked how large we should be, for a given client rectangle.
        !            47: // We assume we have a border (because our Create gives us one), so we add
        !            48: // that to the rectangle given to us.
        !            49: //
        !            50: void CBarWnd::OnNcCalcSize(NCCALCSIZE_PARAMS FAR* lpcsps)
        !            51: {
        !            52:        int cxBorder = GetSystemMetrics(SM_CXBORDER);
        !            53:        int cyBorder = GetSystemMetrics(SM_CYBORDER);
        !            54: 
        !            55:        InflateRect(lpcsps->rgrc, -cxBorder, -(cyBorder * 2));
        !            56: }
        !            57: 
        !            58: // OnNCPaint:
        !            59: // Paint the non-client area of a Bar window.  This includes the black
        !            60: // border rectangle (WS_BORDER is assumed to be TRUE), a white "border"
        !            61: // near the top and a grey "border" near the bottom, to give us that
        !            62: // chiseled look.
        !            63: //
        !            64: void CBarWnd::OnNcPaint()
        !            65: {
        !            66:        CWindowDC dc(this);
        !            67:        CRect rc;
        !            68:        int cxBorder = GetSystemMetrics(SM_CXBORDER);
        !            69:        int cyBorder = GetSystemMetrics(SM_CYBORDER);
        !            70:        
        !            71:        GetWindowRect(rc);
        !            72:        int cxWidth = rc.Width();
        !            73:        int cyHeight = rc.Height();
        !            74: 
        !            75:        CBrush borderBrush(GetSysColor(COLOR_WINDOWFRAME));
        !            76:        CBrush* oldBrush = dc.SelectObject(&borderBrush);
        !            77:        dc.PatBlt(0, 0, cxWidth, cyBorder, PATCOPY);
        !            78:        dc.PatBlt(0, cyBorder, cxBorder, cyHeight - cyBorder * 2, PATCOPY);
        !            79:        dc.PatBlt(0, cyHeight - cyBorder, cxWidth, cyBorder, PATCOPY);
        !            80:        dc.PatBlt(cxWidth - cxBorder, cyBorder, 
        !            81:                cxBorder, cyHeight - cyBorder * 2, PATCOPY);
        !            82: 
        !            83:        dc.PatBlt(cxBorder, cyBorder, 
        !            84:                cxWidth - cxBorder * 2, cyBorder, WHITENESS);
        !            85: 
        !            86:        CBrush shadowBrush(GetSysColor(COLOR_BTNSHADOW));
        !            87:        dc.SelectObject(&shadowBrush);
        !            88:        dc.PatBlt(cxBorder, cyHeight - cyBorder * 2, 
        !            89:                cxWidth - cxBorder * 2, cyBorder, PATCOPY);
        !            90: 
        !            91:        dc.SelectObject(oldBrush);
        !            92: }
        !            93: 
        !            94: /////////////////////////////////////////////////////////////////////////////
        !            95: // CStatBar
        !            96: // See bar.h for details.
        !            97: 
        !            98: BEGIN_MESSAGE_MAP(CStatBar, CBarWnd)
        !            99:        ON_WM_PAINT()
        !           100: END_MESSAGE_MAP()
        !           101: 
        !           102: 
        !           103: BOOL CStatBar::Create(CWnd* pParentWnd, CRect rect)
        !           104: {
        !           105:        int cyStatBar;
        !           106:        int cyBorder = GetSystemMetrics(SM_CYBORDER);
        !           107: 
        !           108:        if (!CBarWnd::Create(pParentWnd, rect))
        !           109:                return FALSE;
        !           110: 
        !           111:        m_font.CreateFont(13, 0, 0, 0, 0, FALSE, FALSE, FALSE, ANSI_CHARSET, 
        !           112:                OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY, 
        !           113:                DEFAULT_PITCH | FF_SWISS, NULL);
        !           114: 
        !           115:        CClientDC dc(this);
        !           116:        CFont* oldFont = dc.SelectObject(&m_font);
        !           117:        cyStatBar = dc.GetTextExtent("M", 1).cy + 5 * cyBorder + 4;
        !           118:        dc.SelectObject(oldFont);
        !           119: 
        !           120:        SetWindowPos(NULL, 0, 0, rect.right - rect.left, cyStatBar, 
        !           121:                SWP_NOZORDER | SWP_NOMOVE | SWP_NOACTIVATE);
        !           122: 
        !           123:        return TRUE;
        !           124: }
        !           125: 
        !           126: 
        !           127: // OnPaint:
        !           128: // A status bar, in addition to the chiseled look of all CBarWnd's, has a
        !           129: // line of text to be displayed.
        !           130: //
        !           131: void CStatBar::OnPaint()
        !           132: {
        !           133:        CPaintDC dc(this);
        !           134:        CRect rc;
        !           135:        int cyBorder = GetSystemMetrics(SM_CYBORDER);
        !           136: 
        !           137:        GetClientRect(rc);
        !           138: 
        !           139:        dc.SetBkColor(GetSysColor(COLOR_BTNFACE));
        !           140:        CFont* oldFont = dc.SelectObject(&m_font);
        !           141:        dc.ExtTextOut(8, 0, ETO_OPAQUE, rc, m_string, 
        !           142:                                  m_string.GetLength(), NULL);
        !           143:        dc.SelectObject(oldFont);
        !           144: }

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