www.pudn.com > ExpBar_src.zip > scbarg.cpp

///////////////////////////////////////////////////////////////////////// 
// 
// CSizingControlBarG           Version 2.44 
//  
// Created: Jan 24, 1998        Last Modified: March 31, 2002 
// 
// See the official site at www.datamekanix.com for documentation and 
// the latest news. 
// 
///////////////////////////////////////////////////////////////////////// 
// Copyright (C) 1998-2002 by Cristi Posea. All rights reserved. 
// 
// This code is free for personal and commercial use, providing this  
// notice remains intact in the source files and all eventual changes are 
// clearly marked with comments. 
// 
// You must obtain the author's consent before you can include this code 
// in a software library. 
// 
// No warrantee of any kind, express or implied, is included with this 
// software; use at your own risk, responsibility for damages (if any) to 
// anyone resulting from the use of this software rests entirely with the 
// user. 
// 
// Send bug reports, bug fixes, enhancements, requests, flames, etc. to 
// cristi@datamekanix.com or post them at the message board at the site. 
///////////////////////////////////////////////////////////////////////// 
 
// sizecbar.cpp : implementation file 
// 
 
#include "stdafx.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////// 
// CSizingControlBarG 
 
IMPLEMENT_DYNAMIC(CSizingControlBarG, baseCSizingControlBarG); 
 
CSizingControlBarG::CSizingControlBarG() 
{ 
    m_cyGripper = 12; 
} 
 
CSizingControlBarG::~CSizingControlBarG() 
{ 
} 
 
BEGIN_MESSAGE_MAP(CSizingControlBarG, baseCSizingControlBarG) 
    //{{AFX_MSG_MAP(CSizingControlBarG) 
    ON_WM_NCLBUTTONUP() 
    ON_WM_NCHITTEST() 
    //}}AFX_MSG_MAP 
    ON_MESSAGE(WM_SETTEXT, OnSetText) 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////// 
// CSizingControlBarG message handlers 
 
///////////////////////////////////////////////////////////////////////// 
// Mouse Handling 
// 
 
void CSizingControlBarG::OnNcLButtonUp(UINT nHitTest, CPoint point) 
{ 
    if (nHitTest == HTCLOSE) 
        m_pDockSite->ShowControlBar(this, FALSE, FALSE); // hide 
 
    baseCSizingControlBarG::OnNcLButtonUp(nHitTest, point); 
} 
 
void CSizingControlBarG::NcCalcClient(LPRECT pRc, UINT nDockBarID) 
{ 
    CRect rcBar(pRc); // save the bar rect 
 
    // subtract edges 
    baseCSizingControlBarG::NcCalcClient(pRc, nDockBarID); 
 
    if (!HasGripper()) 
        return; 
 
    CRect rc(pRc); // the client rect as calculated by the base class 
 
    BOOL bHorz = (nDockBarID == AFX_IDW_DOCKBAR_TOP) || 
                 (nDockBarID == AFX_IDW_DOCKBAR_BOTTOM); 
 
    if (bHorz) 
        rc.DeflateRect(m_cyGripper, 0, 0, 0); 
    else 
        rc.DeflateRect(0, m_cyGripper, 0, 0); 
 
    // set position for the "x" (hide bar) button 
    CPoint ptOrgBtn; 
    if (bHorz) 
        ptOrgBtn = CPoint(rc.left - 13, rc.top); 
    else 
        ptOrgBtn = CPoint(rc.right - 12, rc.top - 13); 
 
    m_biHide.Move(ptOrgBtn - rcBar.TopLeft()); 
 
    *pRc = rc; 
} 
 
void CSizingControlBarG::NcPaintGripper(CDC* pDC, CRect rcClient) 
{ 
    if (!HasGripper()) 
        return; 
 
    // paints a simple "two raised lines" gripper 
    // override this if you want a more sophisticated gripper 
    CRect gripper = rcClient; 
    CRect rcbtn = m_biHide.GetRect(); 
    BOOL bHorz = IsHorzDocked(); 
 
    gripper.DeflateRect(1, 1); 
    if (bHorz) 
    {   // gripper at left 
        gripper.left -= m_cyGripper; 
        gripper.right = gripper.left + 3; 
        gripper.top = rcbtn.bottom + 3; 
    } 
    else 
    {   // gripper at top 
        gripper.top -= m_cyGripper; 
        gripper.bottom = gripper.top + 3; 
        gripper.right = rcbtn.left - 3; 
    } 
 
    pDC->Draw3dRect(gripper, ::GetSysColor(COLOR_BTNHIGHLIGHT), 
        ::GetSysColor(COLOR_BTNSHADOW)); 
 
    gripper.OffsetRect(bHorz ? 3 : 0, bHorz ? 0 : 3); 
 
    pDC->Draw3dRect(gripper, ::GetSysColor(COLOR_BTNHIGHLIGHT), 
        ::GetSysColor(COLOR_BTNSHADOW)); 
 
    m_biHide.Paint(pDC); 
} 
 
UINT CSizingControlBarG::OnNcHitTest(CPoint point) 
{ 
    CRect rcBar; 
    GetWindowRect(rcBar); 
 
    UINT nRet = baseCSizingControlBarG::OnNcHitTest(point); 
    if (nRet != HTCLIENT) 
        return nRet; 
 
    CRect rc = m_biHide.GetRect(); 
    rc.OffsetRect(rcBar.TopLeft()); 
    if (rc.PtInRect(point)) 
        return HTCLOSE; 
 
    return HTCLIENT; 
} 
 
///////////////////////////////////////////////////////////////////////// 
// CSizingControlBarG implementation helpers 
 
void CSizingControlBarG::OnUpdateCmdUI(CFrameWnd* pTarget, 
                                      BOOL bDisableIfNoHndler) 
{ 
    UNUSED_ALWAYS(bDisableIfNoHndler); 
    UNUSED_ALWAYS(pTarget); 
 
    if (!HasGripper()) 
        return; 
 
    BOOL bNeedPaint = FALSE; 
 
    CPoint pt; 
    ::GetCursorPos(&pt); 
    BOOL bHit = (OnNcHitTest(pt) == HTCLOSE); 
    BOOL bLButtonDown = (::GetKeyState(VK_LBUTTON) < 0); 
 
    BOOL bWasPushed = m_biHide.bPushed; 
    m_biHide.bPushed = bHit && bLButtonDown; 
 
    BOOL bWasRaised = m_biHide.bRaised; 
    m_biHide.bRaised = bHit && !bLButtonDown; 
 
    bNeedPaint |= (m_biHide.bPushed ^ bWasPushed) || 
                  (m_biHide.bRaised ^ bWasRaised); 
 
    if (bNeedPaint) 
        SendMessage(WM_NCPAINT); 
} 
 
///////////////////////////////////////////////////////////////////////// 
// CSCBButton 
 
CSCBButton::CSCBButton() 
{ 
    bRaised = FALSE; 
    bPushed = FALSE; 
} 
 
void CSCBButton::Paint(CDC* pDC) 
{ 
    CRect rc = GetRect(); 
 
    if (bPushed) 
        pDC->Draw3dRect(rc, ::GetSysColor(COLOR_BTNSHADOW), 
            ::GetSysColor(COLOR_BTNHIGHLIGHT)); 
    else 
        if (bRaised) 
            pDC->Draw3dRect(rc, ::GetSysColor(COLOR_BTNHIGHLIGHT), 
                ::GetSysColor(COLOR_BTNSHADOW)); 
 
    COLORREF clrOldTextColor = pDC->GetTextColor(); 
    pDC->SetTextColor(::GetSysColor(COLOR_BTNTEXT)); 
    int nPrevBkMode = pDC->SetBkMode(TRANSPARENT); 
    CFont font; 
    int ppi = pDC->GetDeviceCaps(LOGPIXELSX); 
    int pointsize = MulDiv(60, 96, ppi); // 6 points at 96 ppi 
    font.CreatePointFont(pointsize, _T("Marlett")); 
    CFont* oldfont = pDC->SelectObject(&font); 
 
    pDC->TextOut(ptOrg.x + 2, ptOrg.y + 2, CString(_T("r"))); // x-like 
 
    pDC->SelectObject(oldfont); 
    pDC->SetBkMode(nPrevBkMode); 
    pDC->SetTextColor(clrOldTextColor); 
} 
 
BOOL CSizingControlBarG::HasGripper() const 
{ 
#if defined(_SCB_MINIFRAME_CAPTION) || !defined(_SCB_REPLACE_MINIFRAME) 
    // if the miniframe has a caption, don't display the gripper 
    if (IsFloating()) 
        return FALSE; 
#endif //_SCB_MINIFRAME_CAPTION 
 
    return TRUE; 
}