TaskbarNotifier.cpp
上传用户:maryhy001
上传日期:2007-05-02
资源大小:2317k
文件大小:15k
- // TaskbarNotifier.cpp : implementation file
- // By John O'Byrne - 05 July 2002
- #include "stdafx.h"
- #include "TaskbarNotifier.h"
- #define IDT_HIDDEN 0
- #define IDT_APPEARING 1
- #define IDT_WAITING 2
- #define IDT_DISAPPEARING 3
- #define TASKBAR_ON_TOP 1
- #define TASKBAR_ON_LEFT 2
- #define TASKBAR_ON_RIGHT 3
- #define TASKBAR_ON_BOTTOM 4
- // CTaskbarNotifier
- IMPLEMENT_DYNAMIC(CTaskbarNotifier, CWnd)
- CTaskbarNotifier::CTaskbarNotifier()
- {
- m_strCaption="";
- m_pWndParent=NULL;
- m_bMouseIsOver=FALSE;
- m_hSkinRegion=NULL;
- m_hCursor=NULL;
- m_crNormalTextColor=RGB(133,146,181);
- m_crSelectedTextColor=RGB(10,36,106);
- m_nSkinHeight=0;
- m_nSkinWidth=0;
-
- m_dwTimeToShow=0;
- m_dwTimeToLive=0;
- m_dwTimeToHide=0;
- m_dwDelayBetweenShowEvents=0;
- m_dwDelayBetweenHideEvents=0;
- m_nStartPosX=0;
- m_nStartPosY=0;
- m_nCurrentPosX=0;
- m_nCurrentPosY=0;
- m_nIncrement=2;
- m_nTaskbarPlacement=0;
- m_nAnimStatus=IDT_HIDDEN;
- m_rcText.SetRect(0,0,0,0);
- }
- CTaskbarNotifier::~CTaskbarNotifier()
- {
- // No need to delete the HRGN, SetWindowRgn() owns it after being called
- }
- int CTaskbarNotifier::Create(CWnd *pWndParent)
- {
- m_pWndParent=pWndParent;
- CString strWndClass=AfxRegisterWndClass(0,AfxGetApp()->LoadStandardCursor(IDC_ARROW),GetSysColorBrush(COLOR_WINDOW),NULL);
- return CreateEx(0,strWndClass,NULL,WS_POPUP,0,0,0,0,pWndParent->m_hWnd,NULL);
- }
- void CTaskbarNotifier::SetTextFont(LPCTSTR szFont,int nSize,int nNormalStyle,int nSelectedStyle)
- {
- LOGFONT lf;
- m_myNormalFont.DeleteObject();
- m_myNormalFont.CreatePointFont(nSize,szFont);
- m_myNormalFont.GetLogFont(&lf);
-
- // We set the Font of the unselected ITEM
- if (nNormalStyle & TN_TEXT_BOLD)
- lf.lfWeight = FW_BOLD;
- else
- lf.lfWeight = FW_NORMAL;
-
- if (nNormalStyle & TN_TEXT_ITALIC)
- lf.lfItalic=TRUE;
- else
- lf.lfItalic=FALSE;
-
- if (nNormalStyle & TN_TEXT_UNDERLINE)
- lf.lfUnderline=TRUE;
- else
- lf.lfUnderline=FALSE;
- m_myNormalFont.DeleteObject();
- m_myNormalFont.CreateFontIndirect(&lf);
-
- // We set the Font of the selected ITEM
- if (nSelectedStyle & TN_TEXT_BOLD)
- lf.lfWeight = FW_BOLD;
- else
- lf.lfWeight = FW_NORMAL;
-
- if (nSelectedStyle & TN_TEXT_ITALIC)
- lf.lfItalic=TRUE;
- else
- lf.lfItalic=FALSE;
-
- if (nSelectedStyle & TN_TEXT_UNDERLINE)
- lf.lfUnderline=TRUE;
- else
- lf.lfUnderline=FALSE;
- m_mySelectedFont.DeleteObject();
- m_mySelectedFont.CreateFontIndirect(&lf);
- }
- void CTaskbarNotifier::SetTextColor(COLORREF crNormalTextColor,COLORREF crSelectedTextColor)
- {
- m_crNormalTextColor=crNormalTextColor;
- m_crSelectedTextColor=crSelectedTextColor;
- RedrawWindow();
- }
- void CTaskbarNotifier::SetTextRect(RECT rcText)
- {
- m_rcText=rcText;
- }
- BOOL CTaskbarNotifier::SetSkin(UINT nBitmapID,short red,short green,short blue)
- {
- BITMAP bm;
-
- m_biSkinBackground.DeleteObject();
- if (!m_biSkinBackground.LoadBitmap(nBitmapID))
- return FALSE;
- GetObject(m_biSkinBackground.GetSafeHandle(), sizeof(bm), &bm);
- m_nSkinWidth=bm.bmWidth;
- m_nSkinHeight=bm.bmHeight;
- m_rcText.SetRect(0,0,bm.bmWidth,bm.bmHeight);
- if (red!=-1 && green!=-1 && blue!=-1)
- {
- // No need to delete the HRGN, SetWindowRgn() owns it after being called
- m_hSkinRegion=GenerateRegion((HBITMAP)m_biSkinBackground.GetSafeHandle(),(BYTE) red,(BYTE) green,(BYTE) blue);
- SetWindowRgn(m_hSkinRegion, true);
- }
- return TRUE;
- }
- BOOL CTaskbarNotifier::SetSkin(LPCTSTR szFileName,short red,short green,short blue)
- {
- BITMAP bm;
- HBITMAP hBmp;
-
- hBmp=(HBITMAP) ::LoadImage(AfxGetInstanceHandle(),szFileName,IMAGE_BITMAP,0,0, LR_LOADFROMFILE);
- if (!hBmp)
- return FALSE;
- m_biSkinBackground.DeleteObject();
- m_biSkinBackground.Attach(hBmp);
- GetObject(m_biSkinBackground.GetSafeHandle(), sizeof(bm), &bm);
- m_nSkinWidth=bm.bmWidth;
- m_nSkinHeight=bm.bmHeight;
- m_rcText.SetRect(0,0,bm.bmWidth,bm.bmHeight);
- if (red!=-1 && green!=-1 && blue!=-1)
- {
- // No need to delete the HRGN, SetWindowRgn() owns it after being called
- m_hSkinRegion=GenerateRegion((HBITMAP)m_biSkinBackground.GetSafeHandle(),(BYTE) red,(BYTE) green,(BYTE) blue);
- SetWindowRgn(m_hSkinRegion, true);
- }
- return TRUE;
- }
- void CTaskbarNotifier::Show(LPCTSTR szCaption,DWORD dwTimeToShow,DWORD dwTimeToLive,DWORD dwTimeToHide,int nIncrement)
- {
- unsigned int nDesktopHeight;
- unsigned int nDesktopWidth;
- unsigned int nScreenWidth;
- unsigned int nScreenHeight;
- CRect rcDesktop;
- m_strCaption=szCaption;
- m_dwTimeToShow=dwTimeToShow;
- m_dwTimeToLive=dwTimeToLive;
- m_dwTimeToHide=dwTimeToHide;
- ::SystemParametersInfo(SPI_GETWORKAREA,0,&rcDesktop,0);
- nDesktopWidth=rcDesktop.right-rcDesktop.left;
- nDesktopHeight=rcDesktop.bottom-rcDesktop.top;
- nScreenWidth=::GetSystemMetrics(SM_CXSCREEN);
- nScreenHeight=::GetSystemMetrics(SM_CYSCREEN);
- BOOL bTaskbarOnRight=nDesktopWidth<nScreenWidth && rcDesktop.left==0;
- BOOL bTaskbarOnLeft=nDesktopWidth<nScreenWidth && rcDesktop.left!=0;
- BOOL bTaskBarOnTop=nDesktopHeight<nScreenHeight && rcDesktop.top!=0;
- BOOL bTaskbarOnBottom=nDesktopHeight<nScreenHeight && rcDesktop.top==0;
-
- switch (m_nAnimStatus)
- {
- case IDT_HIDDEN:
- ShowWindow(SW_SHOW);
- if (bTaskbarOnRight)
- {
- m_dwDelayBetweenShowEvents=m_dwTimeToShow/(m_nSkinWidth/m_nIncrement);
- m_dwDelayBetweenHideEvents=m_dwTimeToHide/(m_nSkinWidth/m_nIncrement);
- m_nStartPosX=rcDesktop.right;
- m_nStartPosY=rcDesktop.bottom-m_nSkinHeight;
- m_nTaskbarPlacement=TASKBAR_ON_RIGHT;
- }
- else if (bTaskbarOnLeft)
- {
- m_dwDelayBetweenShowEvents=m_dwTimeToShow/(m_nSkinWidth/m_nIncrement);
- m_dwDelayBetweenHideEvents=m_dwTimeToHide/(m_nSkinWidth/m_nIncrement);
- m_nStartPosX=rcDesktop.left-m_nSkinWidth;
- m_nStartPosY=rcDesktop.bottom-m_nSkinHeight;
- m_nTaskbarPlacement=TASKBAR_ON_LEFT;
- }
- else if (bTaskBarOnTop)
- {
- m_dwDelayBetweenShowEvents=m_dwTimeToShow/(m_nSkinHeight/m_nIncrement);
- m_dwDelayBetweenHideEvents=m_dwTimeToHide/(m_nSkinHeight/m_nIncrement);
- m_nStartPosX=rcDesktop.right-m_nSkinWidth;
- m_nStartPosY=rcDesktop.top-m_nSkinHeight;
- m_nTaskbarPlacement=TASKBAR_ON_TOP;
- }
- else //if (bTaskbarOnBottom)
- {
- // Taskbar is on the bottom or Invisible
- m_dwDelayBetweenShowEvents=m_dwTimeToShow/(m_nSkinHeight/m_nIncrement);
- m_dwDelayBetweenHideEvents=m_dwTimeToHide/(m_nSkinHeight/m_nIncrement);
- m_nStartPosX=rcDesktop.right-m_nSkinWidth;
- m_nStartPosY=rcDesktop.bottom;
- m_nTaskbarPlacement=TASKBAR_ON_BOTTOM;
- }
- m_nCurrentPosX=m_nStartPosX;
- m_nCurrentPosY=m_nStartPosY;
-
- SetTimer(IDT_APPEARING,m_dwDelayBetweenShowEvents,NULL);
- break;
- case IDT_WAITING:
- RedrawWindow();
- KillTimer(IDT_WAITING);
- SetTimer(IDT_WAITING,m_dwTimeToLive,NULL);
- break;
- case IDT_APPEARING:
- RedrawWindow();
- break;
- case IDT_DISAPPEARING:
- KillTimer(IDT_DISAPPEARING);
- SetTimer(IDT_WAITING,m_dwTimeToLive,NULL);
- if (bTaskbarOnRight)
- m_nCurrentPosX=rcDesktop.right-m_nSkinWidth;
- else if (bTaskbarOnLeft)
- m_nCurrentPosX=rcDesktop.left;
- else if (bTaskBarOnTop)
- m_nCurrentPosY=rcDesktop.top;
- else //if (bTaskbarOnBottom)
- m_nCurrentPosY=rcDesktop.bottom-m_nSkinHeight;
-
- SetWindowPos(NULL,m_nCurrentPosX,m_nCurrentPosY,m_nSkinWidth,m_nSkinHeight,SWP_NOOWNERZORDER | SWP_NOZORDER | SWP_NOACTIVATE);
- RedrawWindow();
- break;
- }
- }
- void CTaskbarNotifier::Hide()
- {
- switch (m_nAnimStatus)
- {
- case IDT_APPEARING:
- KillTimer(IDT_APPEARING);
- break;
- case IDT_WAITING:
- KillTimer(IDT_WAITING);
- break;
- case IDT_DISAPPEARING:
- KillTimer(IDT_DISAPPEARING);
- break;
- }
- MoveWindow(0,0,0,0);
- ShowWindow(SW_HIDE);
- m_nAnimStatus=IDT_HIDDEN;
- }
- HRGN CTaskbarNotifier::GenerateRegion(HBITMAP hBitmap, BYTE red, BYTE green, BYTE blue)
- {
- WORD wBmpWidth,wBmpHeight;
- HRGN hRgn, hTmpRgn;
- // 24bit pixels from the bitmap
- BYTE *pPixels = Get24BitPixels(hBitmap, &wBmpWidth, &wBmpHeight);
- if (!pPixels) return NULL;
- // create our working region
- hRgn = CreateRectRgn(0,0,wBmpWidth,wBmpHeight);
- if (!hRgn) { delete pPixels; return NULL; }
- DWORD p=0;
- for (WORD y=0; y<wBmpHeight; y++)
- {
- for (WORD x=0; x<wBmpWidth; x++)
- {
- BYTE jRed = pPixels[p+2];
- BYTE jGreen = pPixels[p+1];
- BYTE jBlue = pPixels[p+0];
- if (jRed==red && jGreen==green && jBlue==blue)
- {
- // remove transparent color from region
- hTmpRgn = CreateRectRgn(x,y,x+1,y+1);
- CombineRgn(hRgn, hRgn, hTmpRgn, RGN_XOR);
- DeleteObject(hTmpRgn);
- }
- // next pixel
- p+=3;
- }
- }
- // release pixels
- delete pPixels;
- // return the region
- return hRgn;
- }
- BYTE* CTaskbarNotifier::Get24BitPixels(HBITMAP pBitmap, WORD *pwWidth, WORD *pwHeight)
- {
- BITMAP bmpBmp;
- LPBITMAPINFO pbmiInfo;
- BITMAPINFO bmiInfo;
- WORD wBmpWidth, wBmpHeight;
- GetObject(pBitmap, sizeof(bmpBmp),&bmpBmp);
- pbmiInfo = (LPBITMAPINFO)&bmpBmp;
- wBmpWidth = (WORD)pbmiInfo->bmiHeader.biWidth;
- wBmpWidth -= (wBmpWidth%4);
- wBmpHeight = (WORD)pbmiInfo->bmiHeader.biHeight;
- *pwWidth = wBmpWidth;
- *pwHeight = wBmpHeight;
-
- BYTE *pPixels = new BYTE[wBmpWidth*wBmpHeight*3];
- if (!pPixels) return NULL;
- HDC hDC =::GetWindowDC(NULL);
- bmiInfo.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
- bmiInfo.bmiHeader.biWidth = wBmpWidth;
- bmiInfo.bmiHeader.biHeight = -wBmpHeight;
- bmiInfo.bmiHeader.biPlanes = 1;
- bmiInfo.bmiHeader.biBitCount = 24;
- bmiInfo.bmiHeader.biCompression = BI_RGB;
- bmiInfo.bmiHeader.biSizeImage = wBmpWidth*wBmpHeight*3;
- bmiInfo.bmiHeader.biXPelsPerMeter = 0;
- bmiInfo.bmiHeader.biYPelsPerMeter = 0;
- bmiInfo.bmiHeader.biClrUsed = 0;
- bmiInfo.bmiHeader.biClrImportant = 0;
- // get pixels from the original bitmap converted to 24bits
- int iRes = GetDIBits(hDC,pBitmap,0,wBmpHeight,(LPVOID)pPixels,&bmiInfo,DIB_RGB_COLORS);
- // release the device context
- ::ReleaseDC(NULL,hDC);
- // if failed, cancel the operation.
- if (!iRes)
- {
- delete pPixels;
- return NULL;
- };
- // return the pixel array
- return pPixels;
- }
- BEGIN_MESSAGE_MAP(CTaskbarNotifier, CWnd)
- ON_WM_CREATE()
- ON_WM_MOUSEMOVE()
- ON_WM_DESTROY()
- ON_WM_ERASEBKGND()
- ON_WM_PAINT()
- ON_MESSAGE(WM_MOUSELEAVE, OnMouseLeave)
- ON_MESSAGE(WM_MOUSEHOVER, OnMouseHover)
- ON_WM_SETCURSOR()
- ON_WM_LBUTTONUP()
- ON_WM_TIMER()
- END_MESSAGE_MAP()
- // CTaskbarNotifier message handlers
- int CTaskbarNotifier::OnCreate(LPCREATESTRUCT lpCreateStruct)
- {
- if (CWnd::OnCreate(lpCreateStruct) == -1)
- return -1;
- m_hCursor = ::LoadCursor(NULL, MAKEINTRESOURCE(32649));
- return 0;
- }
- void CTaskbarNotifier::OnDestroy()
- {
- CWnd::OnDestroy();
- // TODO: Add your message handler code here
- }
- void CTaskbarNotifier::OnMouseMove(UINT nFlags, CPoint point)
- {
- TRACKMOUSEEVENT t_MouseEvent;
- t_MouseEvent.cbSize = sizeof(TRACKMOUSEEVENT);
- t_MouseEvent.dwFlags = TME_LEAVE | TME_HOVER;
- t_MouseEvent.hwndTrack = m_hWnd;
- t_MouseEvent.dwHoverTime = 1;
- ::_TrackMouseEvent(&t_MouseEvent);
- CWnd::OnMouseMove(nFlags, point);
- }
- void CTaskbarNotifier::OnLButtonUp(UINT nFlags, CPoint point)
- {
- m_pWndParent->PostMessage(WM_TASKBARNOTIFIERCLICKED,0,0);
- CWnd::OnLButtonUp(nFlags, point);
- }
- LRESULT CTaskbarNotifier::OnMouseHover(WPARAM w, LPARAM l)
- {
- if (m_bMouseIsOver==FALSE)
- {
- m_bMouseIsOver=TRUE;
- RedrawWindow();
- }
- return 0;
- }
- LRESULT CTaskbarNotifier::OnMouseLeave(WPARAM w, LPARAM l)
- {
- if (m_bMouseIsOver==TRUE)
- {
- m_bMouseIsOver=FALSE;
- RedrawWindow();
- }
- return 0;
- }
- BOOL CTaskbarNotifier::OnEraseBkgnd(CDC* pDC)
- {
- CDC memDC;
- CBitmap *pOldBitmap;
- BITMAP bm;
- memDC.CreateCompatibleDC(pDC);
- GetObject(m_biSkinBackground.GetSafeHandle(), sizeof(bm), &bm);
- pOldBitmap=memDC.SelectObject(&m_biSkinBackground);
- pDC->BitBlt(0,0,bm.bmWidth,bm.bmHeight,&memDC,0,0,SRCCOPY);
- memDC.SelectObject(pOldBitmap);
- return TRUE;
- }
- void CTaskbarNotifier::OnPaint()
- {
- CPaintDC dc(this);
- CRect rcClient;
- CFont *pOldFont;
- char *szBuffer;
-
- if (m_bMouseIsOver)
- {
- dc.SetTextColor(m_crSelectedTextColor);
- pOldFont=dc.SelectObject(&m_mySelectedFont);
- }
- else
- {
- dc.SetTextColor(m_crNormalTextColor);
- pOldFont=dc.SelectObject(&m_myNormalFont);
- }
- szBuffer=new char[m_strCaption.GetLength()+10];
- strcpy(szBuffer,m_strCaption);
- dc.SetBkMode(TRANSPARENT);
- rcClient.DeflateRect(10,20,10,20);
- CString stipinfo = szBuffer;
- int nlen = stipinfo.GetLength();
- if(nlen > 50)
- {
- nlen = 50;
- stipinfo = stipinfo.Left(nlen) + "......";
- }
- nlen = stipinfo.GetLength();
- dc.DrawText(stipinfo.GetBuffer(0), nlen, m_rcText, DT_CENTER | DT_VCENTER | DT_WORDBREAK | DT_WORD_ELLIPSIS);
-
- delete[] szBuffer;
- dc.SelectObject(pOldFont);
- }
- BOOL CTaskbarNotifier::OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message)
- {
- if (nHitTest == HTCLIENT)
- {
- ::SetCursor(m_hCursor);
- return TRUE;
- }
- return CWnd::OnSetCursor(pWnd, nHitTest, message);
- }
- void CTaskbarNotifier::OnTimer(UINT nIDEvent)
- {
- switch (nIDEvent)
- {
- case IDT_APPEARING:
- m_nAnimStatus=IDT_APPEARING;
- switch(m_nTaskbarPlacement)
- {
- case TASKBAR_ON_BOTTOM:
- if (m_nCurrentPosY>(m_nStartPosY-m_nSkinHeight))
- m_nCurrentPosY-=m_nIncrement;
- else
- {
- KillTimer(IDT_APPEARING);
- SetTimer(IDT_WAITING,m_dwTimeToLive,NULL);
- m_nAnimStatus=IDT_WAITING;
- }
- break;
- case TASKBAR_ON_TOP:
- if ((m_nCurrentPosY-m_nStartPosY)<m_nSkinHeight)
- m_nCurrentPosY+=m_nIncrement;
- else
- {
- KillTimer(IDT_APPEARING);
- SetTimer(IDT_WAITING,m_dwTimeToLive,NULL);
- m_nAnimStatus=IDT_WAITING;
- }
- break;
- case TASKBAR_ON_LEFT:
- if ((m_nCurrentPosX-m_nStartPosX)<m_nSkinWidth)
- m_nCurrentPosX+=m_nIncrement;
- else
- {
- KillTimer(IDT_APPEARING);
- SetTimer(IDT_WAITING,m_dwTimeToLive,NULL);
- m_nAnimStatus=IDT_WAITING;
- }
- break;
- case TASKBAR_ON_RIGHT:
- if (m_nCurrentPosX>(m_nStartPosX-m_nSkinWidth))
- m_nCurrentPosX-=m_nIncrement;
- else
- {
- KillTimer(IDT_APPEARING);
- SetTimer(IDT_WAITING,m_dwTimeToLive,NULL);
- m_nAnimStatus=IDT_WAITING;
- }
- break;
- }
- SetWindowPos(NULL,m_nCurrentPosX,m_nCurrentPosY,m_nSkinWidth,m_nSkinHeight,SWP_NOOWNERZORDER | SWP_NOZORDER | SWP_NOACTIVATE);
- //RedrawWindow();
- break;
- case IDT_WAITING:
- KillTimer(IDT_WAITING);
- SetTimer(IDT_DISAPPEARING,m_dwDelayBetweenHideEvents,NULL);
- break;
- case IDT_DISAPPEARING:
- m_nAnimStatus=IDT_DISAPPEARING;
- switch(m_nTaskbarPlacement)
- {
- case TASKBAR_ON_BOTTOM:
- if (m_nCurrentPosY<m_nStartPosY)
- m_nCurrentPosY+=m_nIncrement;
- else
- {
- KillTimer(IDT_DISAPPEARING);
- Hide();
- }
- break;
- case TASKBAR_ON_TOP:
- if (m_nCurrentPosY>m_nStartPosY)
- m_nCurrentPosY-=m_nIncrement;
- else
- {
- KillTimer(IDT_DISAPPEARING);
- Hide();
- }
- break;
- case TASKBAR_ON_LEFT:
- if (m_nCurrentPosX>m_nStartPosX)
- m_nCurrentPosX-=m_nIncrement;
- else
- {
- KillTimer(IDT_DISAPPEARING);
- Hide();
- }
- break;
- case TASKBAR_ON_RIGHT:
- if (m_nCurrentPosX<m_nStartPosX)
- m_nCurrentPosX+=m_nIncrement;
- else
- {
- KillTimer(IDT_DISAPPEARING);
- Hide();
- }
- break;
- }
- SetWindowPos(NULL,m_nCurrentPosX,m_nCurrentPosY,m_nSkinWidth,m_nSkinHeight,SWP_NOOWNERZORDER | SWP_NOZORDER | SWP_NOACTIVATE);
- //RedrawWindow();
- break;
- }
- CWnd::OnTimer(nIDEvent);
- }