商业编程-源码-《轻松实现类VC界面》配套源代码.zip

// sizecbar.cpp : implementation file // #include "stdafx.h" #include "sizecbar.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif ///////////////////////////////////////////////////////////////////////// // CSizingControlBar IMPLEMENT_DYNAMIC(CSizingControlBar, baseCSizingControlBar); CSizingControlBar::CSizingControlBar() { m_szMinHorz = CSize(33, 32); m_szMinVert = CSize(33, 32); m_szMinFloat = CSize(37, 32); m_szHorz = CSize(200, 200); m_szVert = CSize(200, 200); m_szFloat = CSize(200, 200); m_bTracking = FALSE; m_bKeepSize = FALSE; m_bParentSizing = FALSE; m_cxEdge = 5; m_bDragShowContent = FALSE; m_nDockBarID = 0; m_dwSCBStyle = 0; } CSizingControlBar::~CSizingControlBar() { } BEGIN_MESSAGE_MAP(CSizingControlBar, baseCSizingControlBar) //{{AFX_MSG_MAP(CSizingControlBar) ON_WM_CREATE() ON_WM_PAINT() ON_WM_NCPAINT() ON_WM_NCCALCSIZE() ON_WM_WINDOWPOSCHANGING() ON_WM_CAPTURECHANGED() ON_WM_SETTINGCHANGE() ON_WM_LBUTTONUP() ON_WM_MOUSEMOVE() ON_WM_NCLBUTTONDOWN() ON_WM_LBUTTONDOWN() ON_WM_LBUTTONDBLCLK() ON_WM_RBUTTONDOWN() ON_WM_NCMOUSEMOVE() ON_WM_NCHITTEST() ON_WM_CLOSE() ON_WM_SIZE() //}}AFX_MSG_MAP ON_MESSAGE(WM_SETTEXT, OnSetText) END_MESSAGE_MAP() // old creation method, still here for compatibility reasons BOOL CSizingControlBar::Create(LPCTSTR lpszWindowName, CWnd* pParentWnd, CSize sizeDefault, BOOL bHasGripper, UINT nID, DWORD dwStyle) { UNUSED_ALWAYS(bHasGripper); m_szHorz = m_szVert = m_szFloat = sizeDefault; return Create(lpszWindowName, pParentWnd, nID, dwStyle); } // preffered creation method BOOL CSizingControlBar::Create(LPCTSTR lpszWindowName, CWnd* pParentWnd, UINT nID, DWORD dwStyle) { // must have a parent ASSERT_VALID(pParentWnd); // cannot be both fixed and dynamic // (CBRS_SIZE_DYNAMIC is used for resizng when floating) ASSERT (!((dwStyle & CBRS_SIZE_FIXED) && (dwStyle & CBRS_SIZE_DYNAMIC))); m_dwStyle = dwStyle & CBRS_ALL; // save the control bar styles // register and create the window - skip CControlBar::Create() CString wndclass = ::AfxRegisterWndClass(CS_DBLCLKS, ::LoadCursor(NULL, IDC_ARROW), ::GetSysColorBrush(COLOR_BTNFACE), 0); dwStyle &= ~CBRS_ALL; // keep only the generic window styles dwStyle |= WS_CLIPCHILDREN; // prevents flashing if (!CWnd::Create(wndclass, lpszWindowName, dwStyle, CRect(0, 0, 0, 0), pParentWnd, nID)) return FALSE; return TRUE; } ///////////////////////////////////////////////////////////////////////// // CSizingControlBar operations #if defined(_SCB_REPLACE_MINIFRAME) && !defined(_SCB_MINIFRAME_CAPTION) void CSizingControlBar::EnableDocking(DWORD dwDockStyle) { // must be CBRS_ALIGN_XXX or CBRS_FLOAT_MULTI only ASSERT((dwDockStyle & ~(CBRS_ALIGN_ANY|CBRS_FLOAT_MULTI)) == 0); // cannot have the CBRS_FLOAT_MULTI style ASSERT((dwDockStyle & CBRS_FLOAT_MULTI) == 0); // the bar must have CBRS_SIZE_DYNAMIC style ASSERT((m_dwStyle & CBRS_SIZE_DYNAMIC) != 0); m_dwDockStyle = dwDockStyle; if (m_pDockContext == NULL) m_pDockContext = new CSCBDockContext(this); // permanently wire the bar's owner to its current parent if (m_hWndOwner == NULL) m_hWndOwner = ::GetParent(m_hWnd); } #endif ///////////////////////////////////////////////////////////////////////// // CSizingControlBar message handlers int CSizingControlBar::OnCreate(LPCREATESTRUCT lpCreateStruct) { if (baseCSizingControlBar::OnCreate(lpCreateStruct) == -1) return -1; // query SPI_GETDRAGFULLWINDOWS system parameter // OnSettingChange() will update m_bDragShowContent m_bDragShowContent = FALSE; ::SystemParametersInfo(SPI_GETDRAGFULLWINDOWS, 0, &m_bDragShowContent, 0); // uncomment this line if you want raised borders // m_dwSCBStyle |= SCBS_SHOWEDGES; return 0; } LRESULT CSizingControlBar::OnSetText(WPARAM wParam, LPARAM lParam) { UNUSED_ALWAYS(wParam); LRESULT lResult = CWnd::Default(); if (IsFloating() && GetParentFrame()->IsKindOf(RUNTIME_CLASS(CMiniDockFrameWnd))) { m_pDockBar->SetWindowText((LPCTSTR) lParam); // update dockbar GetParentFrame()->DelayRecalcLayout(); // refresh miniframe } return lResult; } const BOOL CSizingControlBar::IsFloating() const { return !IsHorzDocked() && !IsVertDocked(); } const BOOL CSizingControlBar::IsHorzDocked() const { return (m_nDockBarID == AFX_IDW_DOCKBAR_TOP || m_nDockBarID == AFX_IDW_DOCKBAR_BOTTOM); } const BOOL CSizingControlBar::IsVertDocked() const { return (m_nDockBarID == AFX_IDW_DOCKBAR_LEFT || m_nDockBarID == AFX_IDW_DOCKBAR_RIGHT); } const BOOL CSizingControlBar::IsSideTracking() const { // don't call this when not tracking ASSERT(m_bTracking && !IsFloating()); return (m_htEdge == HTLEFT || m_htEdge == HTRIGHT) ? IsHorzDocked() : IsVertDocked(); } CSize CSizingControlBar::CalcFixedLayout(BOOL bStretch, BOOL bHorz) { if (bStretch) // the bar is stretched (is not the child of a dockbar) if (bHorz) return CSize(32767, m_szHorz.cy); else return CSize(m_szVert.cx, 32767); // dirty cast - we need access to protected CDockBar members CSCBDockBar* pDockBar = (CSCBDockBar*) m_pDockBar; // force imediate RecalcDelayShow() for all sizing bars on the row // with delayShow/delayHide flags set to avoid IsVisible() problems CSCBArray arrSCBars; GetRowSizingBars(arrSCBars); AFX_SIZEPARENTPARAMS layout; layout.hDWP = pDockBar->m_bLayoutQuery ? NULL : ::BeginDeferWindowPos(arrSCBars.GetSize()); for (int i = 0; i < arrSCBars.GetSize(); i++) if (arrSCBars[i]->m_nStateFlags & (delayHide|delayShow)) arrSCBars[i]->RecalcDelayShow(&layout); if (layout.hDWP != NULL) ::EndDeferWindowPos(layout.hDWP); // get available length CRect rc = pDockBar->m_rectLayout; if (rc.IsRectEmpty()) m_pDockSite->GetClientRect(&rc); int nLengthTotal = bHorz ? rc.Width() + 2 : rc.Height() - 2; if (IsVisible() && !IsFloating() && m_bParentSizing && arrSCBars[0] == this) if (NegotiateSpace(nLengthTotal, (bHorz != FALSE))) AlignControlBars(); m_bParentSizing = FALSE; if (bHorz) return CSize(max(m_szMinHorz.cx, m_szHorz.cx), max(m_szMinHorz.cy, m_szHorz.cy)); return CSize(max(m_szMinVert.cx, m_szVert.cx), max(m_szMinVert.cy, m_szVert.cy)); } CSize CSizingControlBar::CalcDynamicLayout(int nLength, DWORD dwMode) { if (dwMode & (LM_HORZDOCK | LM_VERTDOCK)) // docked ? { if (nLength == -1) m_bParentSizing = TRUE; return baseCSizingControlBar::CalcDynamicLayout(nLength, dwMode); } if (dwMode & LM_MRUWIDTH) return m_szFloat; if (dwMode & LM_COMMIT) return m_szFloat; // already committed #ifndef _SCB_REPLACE_MINIFRAME // check for dialgonal resizing hit test int nHitTest = m_pDockContext->m_nHitTest; if (IsFloating() && (nHitTest == HTTOPLEFT || nHitTest == HTBOTTOMLEFT || nHitTest == HTTOPRIGHT || nHitTest == HTBOTTOMRIGHT)) { CPoint ptCursor; ::GetCursorPos(&ptCursor); CRect rFrame, rBar; GetParentFrame()->GetWindowRect(&rFrame); GetWindowRect(&rBar); if (nHitTest == HTTOPLEFT || nHitTest