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/******************************************************************** created: 2003/04/12 created: 12:04:2003 10:50 file base: PPTooltip file ext: cpp author: Eugene Pustovoyt purpose: *********************************************************************/ #include "stdafx.h" #include "PPToolTip.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif ///////////////////////////////////////////////////////////////////////////// // CPPToolTip CPPToolTip::CPPToolTip() { m_pParentWnd = NULL; m_rgnShadow.CreateRectRgn(0, 0, 0, 0); m_rgnToolTip.CreateRectRgn(0, 0, 0, 0); // m_rgnCombo.CreateRectRgn(0, 0, 0, 0); m_ptOriginal.x = -1; m_ptOriginal.y = -1; m_nIndexCurrentWnd = PPTOOLTIP_TOOL_NOEXIST; m_nIndexDisplayWnd = PPTOOLTIP_TOOL_NOEXIST; SetDelayTime(TTDT_INITIAL, 500); SetDelayTime(TTDT_AUTOPOP, 5000); SetNotify(FALSE); SetDirection(); SetBehaviour(); SetDefaultStyles(); SetDefaultColors(); SetDefaultSizes(); SetEffectBk(PPTOOLTIP_EFFECT_SOLID); RemoveAllTools(); // Register the window class if it has not already been registered. WNDCLASS wndcls; HINSTANCE hInst = AfxGetInstanceHandle(); if(!(::GetClassInfo(hInst, PPTOOLTIP_CLASSNAME, &wndcls))) { // otherwise we need to register a new class wndcls.style = CS_SAVEBITS; wndcls.lpfnWndProc = ::DefWindowProc; wndcls.cbClsExtra = wndcls.cbWndExtra = 0; wndcls.hInstance = hInst; wndcls.hIcon = NULL; wndcls.hCursor = LoadCursor(hInst, IDC_ARROW ); wndcls.hbrBackground = NULL; wndcls.lpszMenuName = NULL; wndcls.lpszClassName = PPTOOLTIP_CLASSNAME; if (!AfxRegisterClass(&wndcls)) AfxThrowResourceException(); } } CPPToolTip::~CPPToolTip() { RemoveAllTools(); RemoveAllNamesOfResource(); m_nLengthLines.RemoveAll(); m_nHeightLines.RemoveAll(); // m_rgnCombo.Detach(); // m_rgnCombo.DeleteObject(); m_rgnToolTip.DeleteObject(); m_rgnShadow.DeleteObject(); if (IsWindow(m_hWnd)) DestroyWindow(); } BEGIN_MESSAGE_MAP(CPPToolTip, CWnd) //{{AFX_MSG_MAP(CPPToolTip) ON_WM_PAINT() ON_WM_TIMER() ON_WM_DESTROY() ON_WM_KILLFOCUS() ON_WM_ERASEBKGND() //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CPPToolTip message handlers BOOL CPPToolTip::Create(CWnd* pParentWnd, BOOL bBalloonSize /* = TRUE */) { TRACE(_T("CPPToolTip::Create\n")); ASSERT_VALID(pParentWnd); DWORD dwStyle = WS_POPUP; DWORD dwExStyle = WS_EX_TOOLWINDOW | WS_EX_TOPMOST; m_pParentWnd = pParentWnd; if (!CreateEx(dwExStyle, PPTOOLTIP_CLASSNAME, NULL, dwStyle, 0, 0, 0, 0, pParentWnd->GetSafeHwnd(), NULL, NULL)) { return FALSE; } SetDefaultFont(); SetDefaultSizes(bBalloonSize); return TRUE; } void CPPToolTip::OnDestroy() { KillTimers(); CWnd::OnDestroy(); } void CPPToolTip::OnKillFocus(CWnd* pNewWnd) { CWnd::OnKillFocus(pNewWnd); Pop(); } BOOL CPPToolTip::OnEraseBkgnd(CDC* pDC) { return FALSE; } void CPPToolTip::Pop() { if (m_nIndexDisplayWnd == PPTOOLTIP_TOOL_HELPER) m_nIndexDisplayWnd = PPTOOLTIP_TOOL_NOEXIST; KillTimers(); ShowWindow(SW_HIDE); } BOOL CPPToolTip::PreTranslateMessage(MSG* pMsg) { RelayEvent(pMsg); return CWnd::PreTranslateMessage(pMsg); } LRESULT CPPToolTip::SendNotify(CPoint * pt, PPTOOLTIP_INFO & ti) { TRACE(_T("CPPToolTip::SendNotify()\n")); // Make sure this is a valid window if (!IsWindow(GetSafeHwnd())) return 0L; // See if the user wants to be notified if (!GetNotify()) return 0L; NM_PPTOOLTIP_DISPLAY lpnm; PPTOOLTIP_INFO tiCopy = ti; FromHandle(ti.hWnd)->ClientToScreen(&tiCopy.rectBounds); m_pParentWnd->ScreenToClient(&tiCopy.rectBounds); lpnm.pt = pt; lpnm.ti = &tiCopy; lpnm.hdr.hwndFrom = m_hWnd; lpnm.hdr.idFrom = GetDlgCtrlID(); lpnm.hdr.code = UDM_TOOLTIP_DISPLAY; ::SendMessage(m_hNotifyWnd, WM_NOTIFY, lpnm.hdr.idFrom, (LPARAM)&lpnm); CRect rcBound = ti.rectBounds; ti = tiCopy; ti.rectBounds = rcBound; return 0L; } void CPPToolTip::OnPaint() { if (!IsEnabledIndexTool(m_nIndexCurrentWnd)) return; m_nIndexDisplayWnd = m_nIndexCurrentWnd; m_nIndexCurrentWnd = PPTOOLTIP_TOOL_NOEXIST; CPaintDC dc(this); // device context for painting CRect rect; GetClientRect(&rect); rect.DeflateRect(0, 0, 1, 1); // Create a memory device-context. This is done to help reduce // screen flicker, since we will paint the entire control to the // off screen device context first.CDC memDC; CDC memDC; CBitmap bitmap; memDC.CreateCompatibleDC(&dc); bitmap.CreateCompatibleBitmap(&dc, rect.Width(), rect.Height()); CBitmap* pOldBitmap = memDC.SelectObject(&bitmap); memDC.BitBlt(0, 0, rect.Width(), rect.Height(), &dc, 0,0, SRCCOPY); OnDraw(&memDC, rect); //Copy the memory device context back into the original DC via BitBlt(). dc.BitBlt(0, 0, rect.Width(), rect.Height(), &memDC, 0,0, SRCCOPY); //Cleanup resources. memDC.SelectObject(pOldBitmap); memDC.DeleteDC(); bitmap.DeleteObject(); } void CPPToolTip::OnDraw(CDC * pDC, CRect rect) { CBrush brBackground(m_crColor [PPTOOLTIP_COLOR_BK_BEGIN]); CBrush brBorder(m_crColor [PPTOOLTIP_COLOR_BORDER]); pDC->SetBkMode(TRANSPARENT); //Sets clip region of the tooltip and draws the shadow if you need if (m_pToolInfo.nStyles & PPTOOLTIP_SHADOW) { //Draws the shadow for the tooltip OnDrawShadow(pDC); rect.DeflateRect(0, 0, m_nSizes[PPTTSZ_SHADOW_CX], m_nSizes[PPTTSZ_SHADOW_CY]); } pDC->SelectClipRgn(&m_rgnToolTip); OnDrawBackground(pDC, &rect); //Draws the main region's border of the tooltip pDC->FrameRgn(&m_rgnToolTip, &brBorder, m_nSizes[PPTTSZ_BORDER_CX], m_nSizes[PPTTSZ_BORDER_CY]); //Gets the rectangle to draw the tooltip text rect.DeflateRect(m_nSizes[PPTTSZ_MARGIN_CX], m_nSizes[PPTTSZ_MARGIN_CY]); if ((m_nLastDirection == PPTOOLTIP_RIGHT_BOTTOM) || (m_nLastDirection == PPTOOLTIP_LEFT_BOTTOM)) rect.top += m_nSizes[PPTTSZ_HEIGHT_ANCHOR]; else rect.bottom -= m_nSizes[PPTTSZ_HEIGHT_ANCHOR]; // Draw the icon if (m_pToolInfo.hIcon != NULL) { CPoint ptIcon; ptIcon.x = m_nSizes[PPTTSZ_MARGIN_CX]; ptIcon.y = rect.top; if (m_pToolInfo.nStyles & PPTOOLTIP_ICON_VCENTER_ALIGN) ptIcon.y = rect.top + (rect.Height() - m_szToolIcon.cy) / 2; else if (m_pToolInfo.nStyles & PPTOOLTIP_ICON_BOTTOM_ALIGN) ptIcon.y = rect.bottom - m_szToolIcon.cy; //First variant // pDC->DrawIcon(m_nSizes[PPTTSZ_MARGIN_CX], rect.top + (rect.Height() - m_szToolIcon.cy) / 2, m_pToolInfo.hIcon); //Second variant pDC->DrawState(ptIcon, m_szToolIcon, m_pToolInfo.hIcon, DSS_NORMAL, (CBrush*)NULL); //Third variant // DrawIconEx(pDC->m_hDC, ptIcon.x, ptIcon.y, m_pToolInfo.hIcon, m_szToolIcon.cx, // m_szToolIcon.cy, 0, NULL, DI_NORMAL); rect.left += m_szToolIcon.cx + m_nSizes[PPTTSZ_MARGIN_CX]; } //Aligns tooltip's text if (m_pToolInfo.nStyles & PPTOOLTIP_BOTTOM_ALIGN) rect.top = rect.bottom - m_szTextTooltip.cy; else if (m_pToolInfo.nStyles & PPTOOLTIP_VCENTER_ALIGN) rect.top += (rect.Height() - m_szTextTooltip.cy) / 2; //Prints the tooltip's text PrintTitleString(pDC, rect, m_pToolInfo.sTooltip, FALSE); brBackground.DeleteObject(); brBorder.DeleteObject(); } void CPPToolTip::OnDrawShadow(CDC * pDC) { CBrush brShadow(m_crColor [PPTOOLTIP_COLOR_SHADOW]); //Draws the shadow for the tooltip int nRop2Mode = pDC->SetROP2(R2_MASKPEN); pDC->FillRgn(&m_rgnShadow, &brShadow); pDC->SetROP2(nRop2Mode); brShadow.DeleteObject(); } void CPPToolTip::OnDrawBackground(CDC * pDC, CRect * pRect) { switch (m_pToolInfo.nEffect) { default: pDC->FillSolidRect(pRect, m_crColor[PPTOOLTIP_COLOR_BK_BEGIN]); break; case PPTOOLTIP_EFFECT_H