ReBar.cpp
资源名称:RebarMenu.zip [点击查看]
上传用户:xywutai
上传日期:2007-01-02
资源大小:72k
文件大小:9k
源码类别:
工具条
开发平台:
Visual C++
- #include "stdafx.h"
- #include "ReBar.h"
- #ifdef _DEBUG
- #define new DEBUG_NEW
- #undef THIS_FILE
- static char THIS_FILE[] = __FILE__;
- #endif
- /////////////////////////////////////////////////////////////////////////////
- // Helper functions
- #define _RBGetDlgCtrlID(hWnd) ((UINT)(WORD)::GetDlgCtrlID(hWnd))
- static HWND _RBChildWindowFromPoint(HWND hWnd, POINT pt)
- {
- ASSERT(hWnd != NULL);
- // check child windows
- ::ClientToScreen(hWnd, &pt);
- HWND hWndChild = ::GetWindow(hWnd, GW_CHILD);
- for (; hWndChild != NULL; hWndChild = ::GetWindow(hWndChild, GW_HWNDNEXT))
- {
- if (_RBGetDlgCtrlID(hWndChild) != (WORD)-1 &&
- (::GetWindowLong(hWndChild, GWL_STYLE) & WS_VISIBLE))
- {
- // see if point hits the child window
- CRect rect;
- ::GetWindowRect(hWndChild, rect);
- if (rect.PtInRect(pt))
- return hWndChild;
- }
- }
- return NULL; // not found
- }
- /////////////////////////////////////////////////////////////////////////////
- // CReBar
- BEGIN_MESSAGE_MAP(CReBar, CControlBar)
- //{{AFX_MSG_MAP(CReBar)
- ON_WM_NCCREATE()
- ON_WM_PAINT()
- ON_WM_NCCALCSIZE()
- ON_WM_ERASEBKGND()
- ON_WM_NCPAINT()
- ON_NOTIFY_REFLECT(RBN_HEIGHTCHANGE, OnHeightChange)
- ON_NOTIFY_REFLECT(RBN_ENDDRAG, OnHeightChange)
- ON_MESSAGE(RB_SHOWBAND, OnShowBand)
- //}}AFX_MSG_MAP
- END_MESSAGE_MAP()
- CReBar::CReBar()
- {
- // initialize common controls
- INITCOMMONCONTROLSEX icex;
- icex.dwSize = sizeof(icex);
- icex.dwICC = ICC_COOL_CLASSES;
- VERIFY(InitCommonControlsEx(&icex));
- SetBorders();
- }
- void CReBar::OnHeightChange(NMHDR* /*pNMHDR*/, LRESULT* pResult)
- {
- CFrameWnd* pFrameWnd = GetParentFrame();
- if (pFrameWnd != NULL)
- pFrameWnd->RecalcLayout();
- *pResult = 0;
- }
- LRESULT CReBar::OnShowBand(WPARAM wParam, LPARAM)
- {
- LRESULT lResult = Default();
- if (lResult)
- {
- // keep window visible state in sync with band visible state
- REBARBANDINFO rbBand;
- rbBand.cbSize = sizeof(rbBand);
- rbBand.fMask = RBBIM_CHILD|RBBIM_STYLE;
- VERIFY(DefWindowProc(RB_GETBANDINFO, wParam, (LPARAM)&rbBand));
- CControlBar* pBar = DYNAMIC_DOWNCAST(CControlBar, CWnd::FromHandlePermanent(rbBand.hwndChild));
- BOOL bWindowVisible;
- if (pBar != NULL)
- bWindowVisible = pBar->IsVisible();
- else
- bWindowVisible = (::GetWindowLong(rbBand.hwndChild, GWL_STYLE) & WS_VISIBLE) != 0;
- BOOL bBandVisible = (rbBand.fStyle & RBBS_HIDDEN) == 0;
- if (bWindowVisible != bBandVisible)
- VERIFY(::ShowWindow(rbBand.hwndChild, bBandVisible ? SW_SHOW : SW_HIDE));
- }
- return lResult;
- }
- BOOL CReBar::_AddBar(CWnd* pBar, REBARBANDINFO* pRBBI)
- {
- ASSERT_VALID(this);
- ASSERT(::IsWindow(m_hWnd));
- ASSERT(pBar != NULL);
- ASSERT(::IsWindow(pBar->m_hWnd));
- pRBBI->cbSize = sizeof(REBARBANDINFO);
- pRBBI->fMask |= RBBIM_CHILD | RBBIM_CHILDSIZE;
- pRBBI->hwndChild = pBar->m_hWnd;
- CSize size;
- CControlBar* pTemp = DYNAMIC_DOWNCAST(CControlBar, pBar);
- if (pTemp != NULL)
- {
- size = pTemp->CalcFixedLayout(FALSE, m_dwStyle & CBRS_ORIENT_HORZ);
- }
- else
- {
- CRect rect;
- pBar->GetWindowRect(&rect);
- size = rect.Size();
- }
- //WINBUG: COMCTL32.DLL is off by 4 pixels in its sizing logic. Whatever
- // is specified as the minimum size, the system rebar will allow that band
- // to be 4 actual pixels smaller! That's why we add 4 to the size here.
- pRBBI->cxMinChild = size.cx + 4;
- pRBBI->cyMinChild = size.cy;
- BOOL bResult = (BOOL)DefWindowProc(RB_INSERTBAND, (WPARAM)-1, (LPARAM)pRBBI);
- CFrameWnd* pFrameWnd = GetParentFrame();
- if (pFrameWnd != NULL)
- pFrameWnd->RecalcLayout();
- return bResult;
- }
- BOOL CReBar::AddBar(CWnd* pBar, LPCTSTR pszText, CBitmap* pbmp, DWORD dwStyle)
- {
- REBARBANDINFO rbBand;
- rbBand.fMask = RBBIM_STYLE;
- rbBand.fStyle = dwStyle;
- if (pszText != NULL)
- {
- rbBand.fMask |= RBBIM_TEXT;
- rbBand.lpText = const_cast<LPTSTR>(pszText);
- }
- if (pbmp != NULL)
- {
- rbBand.fMask |= RBBIM_BACKGROUND;
- rbBand.hbmBack = (HBITMAP)*pbmp;
- }
- return _AddBar(pBar, &rbBand);
- }
- BOOL CReBar::AddBar(CWnd* pBar, COLORREF clrFore, COLORREF clrBack, LPCTSTR pszText, DWORD dwStyle)
- {
- REBARBANDINFO rbBand;
- rbBand.fMask = RBBIM_STYLE | RBBIM_COLORS;
- rbBand.fStyle = dwStyle;
- rbBand.clrFore = clrFore;
- rbBand.clrBack = clrBack;
- if (pszText != NULL)
- {
- rbBand.fMask |= RBBIM_TEXT;
- rbBand.lpText = const_cast<LPTSTR>(pszText);
- }
- return _AddBar(pBar, &rbBand);
- }
- CSize CReBar::CalcFixedLayout(BOOL bStretch, BOOL bHorz)
- {
- ASSERT_VALID(this);
- ASSERT(::IsWindow(m_hWnd));
- // the union of the band rectangles is the total bounding rect
- int nCount = DefWindowProc(RB_GETBANDCOUNT, 0, 0);
- REBARBANDINFO rbBand;
- rbBand.cbSize = sizeof(rbBand);
- int nTemp;
- // sync up hidden state of the bands
- for (nTemp = nCount; nTemp--; )
- {
- rbBand.fMask = RBBIM_CHILD|RBBIM_STYLE;
- VERIFY(DefWindowProc(RB_GETBANDINFO, nTemp, (LPARAM)&rbBand));
- CControlBar* pBar = DYNAMIC_DOWNCAST(CControlBar, CWnd::FromHandlePermanent(rbBand.hwndChild));
- BOOL bWindowVisible;
- if (pBar != NULL)
- bWindowVisible = pBar->IsVisible();
- else
- bWindowVisible = (::GetWindowLong(rbBand.hwndChild, GWL_STYLE) & WS_VISIBLE) != 0;
- BOOL bBandVisible = (rbBand.fStyle & RBBS_HIDDEN) == 0;
- if (bWindowVisible != bBandVisible)
- VERIFY(DefWindowProc(RB_SHOWBAND, nTemp, bWindowVisible));
- }
- // determine bounding rect of all visible bands
- CRect rectBound; rectBound.SetRectEmpty();
- for (nTemp = nCount; nTemp--; )
- {
- rbBand.fMask = RBBIM_STYLE;
- VERIFY(DefWindowProc(RB_GETBANDINFO, nTemp, (LPARAM)&rbBand));
- if ((rbBand.fStyle & RBBS_HIDDEN) == 0)
- {
- CRect rect;
- VERIFY(DefWindowProc(RB_GETRECT, nTemp, (LPARAM)&rect));
- rectBound |= rect;
- }
- }
- // add borders as part of bounding rect
- if (!rectBound.IsRectEmpty())
- {
- CRect rect; rect.SetRectEmpty();
- CalcInsideRect(rect, bHorz);
- rectBound.right -= rect.Width();
- rectBound.bottom -= rect.Height();
- }
- return CSize((bHorz && bStretch) ? 32767 : rectBound.Width(),
- (!bHorz && bStretch) ? 32767 : rectBound.Height());
- }
- CSize CReBar::CalcDynamicLayout(int /*nLength*/, DWORD dwMode)
- {
- if (dwMode & LM_HORZDOCK)
- ASSERT(dwMode & LM_HORZ);
- return CalcFixedLayout(dwMode & LM_STRETCH, dwMode & LM_HORZ);
- }
- BOOL CReBar::Create(CWnd* pParentWnd, DWORD dwCtrlStyle, DWORD dwStyle, UINT nID)
- {
- ASSERT_VALID(pParentWnd); // must have a parent
- ASSERT (!((dwStyle & CBRS_SIZE_FIXED) && (dwStyle & CBRS_SIZE_DYNAMIC)));
- // save the style
- m_dwStyle = dwStyle;
- if (nID == AFX_IDW_REBAR)
- m_dwStyle |= CBRS_HIDE_INPLACE;
- dwStyle &= ~CBRS_ALL;
- dwStyle |= CCS_NOPARENTALIGN|CCS_NOMOVEY|CCS_NODIVIDER|CCS_NORESIZE|RBS_VARHEIGHT;
- dwStyle |= dwCtrlStyle;
- // create the HWND
- CRect rect; rect.SetRectEmpty();
- if (!CWnd::Create(REBARCLASSNAME, NULL, dwStyle, rect, pParentWnd, nID))
- return FALSE;
- // Note: Parent must resize itself for control bar to be resized
- return TRUE;
- }
- void CReBar::OnUpdateCmdUI(CFrameWnd* pTarget, BOOL bDisableIfNoHandler)
- {
- UpdateDialogControls(pTarget, bDisableIfNoHandler);
- }
- BOOL CReBar::OnNcCreate(LPCREATESTRUCT lpCreateStruct)
- {
- if (!CControlBar::OnNcCreate(lpCreateStruct))
- return FALSE;
- // if the owner was set before the rebar was created, set it now
- if (m_hWndOwner != NULL)
- DefWindowProc(RB_SETPARENT, (WPARAM)m_hWndOwner, 0);
- return TRUE;
- }
- BOOL CReBar::OnEraseBkgnd(CDC*)
- {
- return (BOOL)Default();
- }
- void CReBar::OnNcCalcSize(BOOL /*bCalcValidRects*/, NCCALCSIZE_PARAMS* lpncsp)
- {
- // calculate border space (will add to top/bottom, subtract from right/bottom)
- CRect rect; rect.SetRectEmpty();
- BOOL bHorz = (m_dwStyle & CBRS_ORIENT_HORZ) != 0;
- CControlBar::CalcInsideRect(rect, bHorz);
- // adjust non-client area for border space
- lpncsp->rgrc[0].left += rect.left;
- lpncsp->rgrc[0].top += rect.top;
- lpncsp->rgrc[0].right += rect.right;
- lpncsp->rgrc[0].bottom += rect.bottom;
- }
- void CReBar::OnNcPaint()
- {
- EraseNonClient();
- }
- void CReBar::OnPaint()
- {
- Default();
- }
- int CReBar::OnToolHitTest(CPoint point, TOOLINFO* pTI) const
- {
- ASSERT_VALID(this);
- ASSERT(::IsWindow(m_hWnd));
- HWND hWndChild = _RBChildWindowFromPoint(m_hWnd, point);
- CWnd* pWnd = CWnd::FromHandlePermanent(hWndChild);
- if (pWnd == NULL)
- return CControlBar::OnToolHitTest(point, pTI);
- ASSERT(pWnd->m_hWnd == hWndChild);
- return pWnd->OnToolHitTest(point, pTI);
- }
- LRESULT CReBar::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
- {
- // special handling for certain messages (forwarding to owner/parent)
- switch (message)
- {
- case WM_POPMESSAGESTRING:
- case WM_SETMESSAGESTRING:
- return GetOwner()->SendMessage(message, wParam, lParam);
- }
- return CControlBar::WindowProc(message, wParam, lParam);
- }
- /////////////////////////////////////////////////////////////////////////////
- IMPLEMENT_DYNAMIC(CReBar, CControlBar)
- /////////////////////////////////////////////////////////////////////////////