XInfo.rar_xin

/////////////////////////////////////////////////////////////////////////// // // FILE NAME // // XInfoTip.cpp // // COMPONENT // // CXInfoTip class implementation // // DESCRIPTION // // (see header) // // AUTHOR // // Mark Bozeman 09-16-2001 // /////////////////////////////////////////////////////////////////////////// #include "stdafx.h" // PCH #include "XInfoTip.h" // Class interface #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif #define CX_ROUNDED 12 // Tip horizontal roundness #define CY_ROUNDED 10 // Tip vertical roundness #define DEFAULT_CX_LEADER 25 // Width of tip lead #define DEFAULT_CY_LEADER 25 // Height of tip lead #define CX_ICON_MARGIN 5 // Width of margin between icon and tip text #define DEFAULT_SHOW_DELAY 500 // Default show delay (ms) #define DEFAULT_TIMER_HIDE 2000 // Hide timer (ms) static char XINFOTIPCLASS_NAME[]="CXInfoTip"; CXInfoTip::CXInfoTip():m_ToolMap(10) { // Register the class WNDCLASS ClassInfo; ZeroMemory(&ClassInfo,sizeof(ClassInfo)); HINSTANCE hResourceHandle=AfxGetResourceHandle(); if(!GetClassInfo(hResourceHandle,XINFOTIPCLASS_NAME,&ClassInfo)) { ClassInfo.hIcon=NULL; ClassInfo.hCursor=::LoadCursor(hResourceHandle,IDC_ARROW); ClassInfo.hbrBackground=::CreateSolidBrush(RGB(255,255,255)); ClassInfo.lpszClassName=XINFOTIPCLASS_NAME; ClassInfo.lpszMenuName=""; ClassInfo.hInstance=hResourceHandle; ClassInfo.lpfnWndProc=::DefWindowProc; ClassInfo.style=CS_DBLCLKS; ClassInfo.cbClsExtra=0; ClassInfo.cbWndExtra=0; if(!RegisterClass(&ClassInfo)) { AfxThrowResourceException(); } } // Set the icon ¡¢tip text¡¢icon size¡¢text color¡¢background color¡¢font m_hIcon = NULL; m_IconSize = CSize(0, 0); m_szText = _T(""); m_TextColor =RGB(0,0,0); m_BackColor =RGB(255,255,255); m_pFont =NULL; // Set the delay defaults m_nTimer = 0; m_nShowDelay = DEFAULT_SHOW_DELAY; m_nShowRemain = DEFAULT_TIMER_HIDE; // Set the default window region¡¢leader width¡¢leader height¡¢window size m_nLeaderWidth =DEFAULT_CX_LEADER; m_nLeaderHeight=DEFAULT_CY_LEADER; m_WindowSize=CSize(0,0); m_WindowRgn=NULL; // Set the initial mouse point m_ptOrigin = CPoint(0, 0); } CXInfoTip::~CXInfoTip() { if(!m_ToolMap.IsEmpty()) { m_ToolMap.RemoveAll(); } if(m_WindowRgn != NULL) { ::DeleteObject(m_WindowRgn); m_WindowRgn=NULL; } } // Message map BEGIN_MESSAGE_MAP(CXInfoTip, CWnd) //{{AFX_MSG_MAP(CXInfoTip) ON_WM_PAINT() ON_WM_CREATE() ON_WM_TIMER() ON_WM_DESTROY() //}}AFX_MSG_MAP END_MESSAGE_MAP() BOOL CXInfoTip::Create(CWnd* pParentWnd) { BOOL bSuccess=FALSE; if(pParentWnd != NULL && IsWindow(pParentWnd->m_hWnd)) { bSuccess = CreateEx(NULL, XINFOTIPCLASS_NAME, NULL, WS_POPUP, 0, 0, 0, 0, pParentWnd->GetSafeHwnd(), NULL, NULL); } return bSuccess; } void CXInfoTip::Show(CPoint *pt,CString szText,HICON hIcon,CFont* pFont,COLORREF TextColor,COLORREF BackColor) { if (pt != NULL) { m_ptOrigin = *pt; } else { GetCursorPos(&m_ptOrigin); } m_szText = szText; m_hIcon = hIcon; m_pFont = pFont; m_TextColor = TextColor; m_BackColor = BackColor; Show(); } void CXInfoTip::OnPaint() { CPaintDC dc( this ); // device context for painting CRect rc; CBrush WindowBrush; CBrush FrameBrush; CBrush InnerFrameBrush; CRgn *pRegion; HRGN WindowRgn=NULL; CFont *pOldFont=NULL; CFont *pNewFont=NULL; // Get the client rectangle GetClientRect(rc); // Create the brushes InnerFrameBrush.CreateSolidBrush(::GetSysColor(COLOR_SCROLLBAR)); FrameBrush.CreateSolidBrush(::GetSysColor(COLOR_WINDOWTEXT)); WindowBrush.CreateSolidBrush(m_BackColor); // Get the window region WindowRgn=::CreateRectRgn(0,0,0,0); GetWindowRgn(WindowRgn); pRegion = CRgn::FromHandle(WindowRgn); // Draw the frame dc.FillRgn(pRegion, &WindowBrush); dc.FrameRgn(pRegion, &InnerFrameBrush, 3, 3); dc.FrameRgn(pRegion, &FrameBrush, 1, 1); // Adjust the area for the icon rc.DeflateRect(CX_ROUNDED, CY_ROUNDED, 0, 0); if (m_hIcon != NULL) rc.left = rc.left + m_IconSize.cx + CX_ICON_MARGIN; // Set the font if(m_pFont != NULL) { pOldFont = dc.SelectObject(m_pFont); } else { pNewFont= CFont::FromHandle((HFONT)::GetStockObject(DEFAULT_GUI_FONT)); pOldFont= dc.SelectObject(pNewFont); } // Draw the tip text dc.SetBkMode( TRANSPARENT ); dc.SetTextColor(m_TextColor); dc.DrawText(m_szText, &rc, DT_TOP | DT_LEFT | DT_EXPANDTABS |DT_WORDBREAK); // Draw the icon if (m_hIcon != NULL) DrawIconEx(dc.m_hDC, CX_ROUNDED, CY_ROUNDED, m_hIcon, m_IconSize.cx, m_IconSize.cy, 0, NULL, DI_NORMAL); // Clean up GDI dc.SelectObject(pOldFont); if(pNewFont != NULL) { pNewFont->DeleteObject(); } WindowBrush.DeleteObject(); InnerFrameBrush.DeleteObject(); FrameBrush.DeleteObject(); pRegion->DeleteObject(); } ///////////////////////////////////////////////////////////////////// // // CXInfoTip::GetWindowRegion() // // DESCRIPTION // // Retrieves the window region // // RETURNS // // [BOOL] - TRUE on success, FALSE on failure // // PARAMETERS // // [pDC] - Pointer to display device context // [hRegion] - Filled with the calculated window region // [Size] - Filled with the calculated window size // or NULL. // ///////////////////////////////////////////////////////////////////// BOOL CXInfoTip::GetWindowRegion(CDC* pDC, HRGN* hRegion, CSize *Size /* = NULL */) { CRect rcWnd; POINT ptLeader[3]; HRGN LeaderRegion=NULL; HRGN CaptionRegion=NULL; CFont *pOldFont=NULL; CFont *pNewFont=NULL; ASSERT(pDC != NULL); ASSERT(hRegion != NULL); // Calculate the are for the tip text if(m_pFont != NULL) { pOldFont = pDC->SelectObject(m_pFont); } else { pNewFont = CFont::FromHandle((HFONT)::GetStockObject(DEFAULT_GUI_FONT)); pOldFont = pDC->SelectObject(pNewFont); } pDC->DrawText(m_szText, &rcWnd, DT_CALCRECT); pDC->SelectObject(pOldFont); if(pNewFont != NULL) { pNewFont->DeleteObject(); } // Adjust for the rounded corners rcWnd.InflateRect(CX_ROUNDED, CY_ROUNDED); // Adjust for icon if (m_hIcon != NULL) rcWnd.right = rcWnd.right + m_IconSize.cx + CX_ICON_MARGIN; if (rcWnd.Height() < m_IconSize.cy) rcWnd.bottom = rcWnd.top + m_IconSize.cy; // Calculate the leader triangle coordinates ptLeader[0].x = rcWnd.Width() - CX_ROUNDED; ptLeader[0].y = rcWnd.Height() - CY_ROUNDED; ptLeader[1].x = ptLeader[0].x; ptLeader[1].y = ptLeader[0].y + m_nLeaderHeight; ptLeader[2].x = ptLeader[0].x - m_nLeaderWidth; ptLeader[2].y = rcWnd.Height() - CY_ROUNDED; // Create the caption region CaptionRegion=::CreateRoundRectRgn(0, 0, rcWnd.Width(), rcWnd.Height(), CX_ROUNDED, CY_ROUNDED); // Create the leader region LeaderRegion=::CreatePolygonRgn(ptLeader, 3, ALTERNATE); // Combine the regions CombineRgn(*hRegion, CaptionRegion, LeaderRegion, RGN_OR); // Set the window size if (Size != NULL) { Size->cx = rcWnd.Width(); Size->cy = rcWnd.Height() + m_nLeaderHeight; } //Destroy the caption region and leader region ::DeleteObject(CaptionRegion); ::DeleteObject(LeaderRegion); return TRUE; } int CXInfoTi