一个可折叠的VC++自定义列表控件

// GraphMember.cpp: implementation of the CTaskItem class. // ////////////////////////////////////////////////////////////////////// #include "stdafx.h" #include "Clb.h" #include "GraphMember.h" #ifdef _DEBUG #undef THIS_FILE static char THIS_FILE[]=__FILE__; #define new DEBUG_NEW #endif ////////////////////////////////////////////////////////////////////// // CTaskFrame Class ////////////////////////////////////////////////////////////////////// CTaskFrame::CTaskFrame(const CString& title) : m_rSize(CRect(0, 0, 0, 0)), m_strTitle(title) { m_FrmColor = RGB(203, 203, 203); m_BKColor = RGB(255, 255, 255); LOGFONT logFont; logFont.lfHeight = 12; logFont.lfEscapement = 0; logFont.lfOrientation = 0; logFont.lfWeight = FW_BOLD; logFont.lfItalic = FALSE; logFont.lfUnderline = FALSE; logFont.lfStrikeOut = FALSE; logFont.lfOutPrecision = OUT_STROKE_PRECIS; logFont.lfClipPrecision = CLIP_STROKE_PRECIS; logFont.lfQuality = DEFAULT_QUALITY; logFont.lfPitchAndFamily = VARIABLE_PITCH|FF_MODERN; logFont.lfCharSet = GB2312_CHARSET; strcpy(logFont.lfFaceName, "宋体"); m_Font.CreateFontIndirect(&logFont); m_nTitleHeight = 28; m_nLeftMargin = 10; m_nRightMargin = 10; m_nTopMargin = 4; m_nBottomMargin = 5; } CTaskFrame::~CTaskFrame() { } CRect CTaskFrame::GetWorkRect() const { CRect rect(m_rSize); rect.top = m_nTopMargin + m_nTitleHeight; rect.left = m_nLeftMargin; rect.right -= m_nRightMargin; rect.bottom -= m_nBottomMargin; return rect; } void CTaskFrame::Draw(CDC* pDC) { CRect rect(m_rSize); CBrush brush; brush.CreateSolidBrush(m_BKColor); pDC->FillRect(&rect, &brush); brush.DeleteObject(); rect.bottom = m_nTitleHeight; brush.CreateSolidBrush(m_FrmColor); pDC->FillRect(&rect, &brush); brush.DeleteObject(); LOGBRUSH logBrush = { BS_NULL, NULL, NULL }; brush.CreateBrushIndirect(&logBrush); CPen pen; pen.CreatePen(PS_SOLID, 1, m_FrmColor); CBrush* pOldBrush = pDC->SelectObject(&brush); CPen* pOldPen = pDC->SelectObject(&pen); pDC->Rectangle(&m_rSize); pDC->SelectObject(pOldPen); pDC->SelectObject(pOldBrush); CFont* pOldFont = pDC->SelectObject(&m_Font); pDC->SetBkMode(TRANSPARENT); pDC->TextOut(6, (m_nTitleHeight - 12) / 2, m_strTitle.Left(14)); pDC->SetBkMode(OPAQUE); pDC->SelectObject(pOldFont); } ////////////////////////////////////////////////////////////////////// // CIconBtn Class ////////////////////////////////////////////////////////////////////// CIconBtn::CIconBtn() : m_rSize(CRect(0, 0, 0, 0)), m_bFocusedState(false) { } CIconBtn::~CIconBtn() { } void CIconBtn::SetFocusedState(bool bFocused) { m_bFocusedState = bFocused; Draw(); } ////////////////////////////////////////////////////////////////////// // CPuckerBtn Class ////////////////////////////////////////////////////////////////////// CPuckerBtn::CPuckerBtn(CWnd* pWnd) : m_pWnd(pWnd), m_bPressState(false) { } CPuckerBtn::~CPuckerBtn() { } void CPuckerBtn::Draw() { if(m_pWnd == NULL) return; CDC* pDC = m_pWnd->GetDC(); CBrush brush; brush.CreateSolidBrush(RGB(203, 203, 203)); CRect rectFill(m_rSize); rectFill.bottom += 1; rectFill.right += 1; pDC->FillRect(&rectFill, &brush); brush.DeleteObject(); CRect rect(m_rSize); if(GetFocusedState()) { CPen pen; pen.CreatePen(PS_SOLID, 1, RGB(255, 255, 255)); CPen* pOldPen = pDC->SelectObject(&pen); pDC->MoveTo(rect.left, rect.top); pDC->LineTo(rect.right, rect.top); pDC->MoveTo(rect.left, rect.top); pDC->LineTo(rect.left, rect.bottom); pDC->SelectObject(pOldPen); pDC->MoveTo(rect.left, rect.bottom); pDC->LineTo(rect.right, rect.bottom); pDC->MoveTo(rect.right, rect.top); pDC->LineTo(rect.right, rect.bottom); } CPoint point = rect.CenterPoint(); if(!m_bPressState) { pDC->MoveTo(point.x, point.y - 1); pDC->LineTo(point.x + 4, point.y - 5); pDC->MoveTo(point.x, point.y - 1); pDC->LineTo(point.x - 4, point.y - 5); pDC->MoveTo(point.x, point.y + 3); pDC->LineTo(point.x + 4, point.y - 1); pDC->MoveTo(point.x, point.y + 3); pDC->LineTo(point.x - 4, point.y - 1); } else { pDC->MoveTo(point.x, point.y - 4); pDC->LineTo(point.x + 4, point.y); pDC->MoveTo(point.x, point.y - 4); pDC->LineTo(point.x - 4, point.y); pDC->MoveTo(point.x, point.y); pDC->LineTo(point.x + 4, point.y + 4); pDC->MoveTo(point.x, point.y); pDC->LineTo(point.x - 4, point.y + 4); } } void CPuckerBtn::Click() { m_bPressState = !m_bPressState; if(m_pWnd == NULL) return; Draw(); if(m_bPressState) { if(m_pWnd == NULL) return; m_pWnd->GetWindowRect(&m_wndRect); m_pWnd->GetParent()->ScreenToClient(&m_wndRect); CRect rect(m_wndRect); rect.bottom = rect.top + 28; DWORD dwStyle = m_pWnd->GetExStyle(); DWORD dwNewStyle = WS_EX_DLGMODALFRAME|WS_EX_CLIENTEDGE; if((dwStyle & dwNewStyle) == dwNewStyle) { rect.bottom += 10; } else if((dwStyle & WS_EX_CLIENTEDGE) == WS_EX_CLIENTEDGE) { rect.bottom += 4; } else if((dwStyle & WS_EX_DLGMODALFRAME) == WS_EX_DLGMODALFRAME) { rect.bottom += 6; } else if((dwStyle & WS_EX_STATICEDGE) == WS_EX_STATICEDGE) { rect.bottom += 2; } m_pWnd->MoveWindow(&rect); } else m_pWnd->MoveWindow(&m_wndRect); } ///////////////////////////////////////////////////////////////////// // CItem Class ////////////////////////////////////////////////////////////////////// CItem::CItem() : m_pWnd(NULL), m_nCtrlId(NULL) { } CItem::CItem(CWnd* pWnd, UINT id) : m_pWnd(pWnd), m_nCtrlId(id) { } CItem::~CItem() { } void CItem::SetItem(const ItemInfo& item) { if(item.type < II_ICONTEXT || item.type > II_COLOR) { m_ItemInfo.type = -1; return; } m_ItemInfo.type = item.type; m_ItemInfo.index = item.index; m_ItemInfo.text = item.text; m_ItemInfo.color = item.color; m_ItemInfo.icon = CopyIcon(item.icon); } ////////////////////////////////////////////////////////////////////// // CTaskItem Class ////////////////////////////////////////////////////////////////////// CTaskItem::CTaskItem(CWnd* pWnd, UINT id) : CItem(pWnd, id) { m_LogFont.lfHeight = 12; m_LogFont.lfEscapement = 0; m_LogFont.lfOrientation = 0; m_LogFont.lfWeight = FW_NORMAL; m_LogFont.lfItalic = FALSE; m_LogFont.lfUnderline = FALSE; m_LogFont.lfStrikeOut = FALSE; m_LogFont.lfOutPrecision = OUT_STROKE_PRECIS; m_LogFont.lfClipPrecision = CLIP_STROKE_PRECIS; m_LogFont.lfQuality = DEFAULT_QUALITY; m_LogFont.lfPitchAndFamily = VARIABLE_PITCH|FF_MODERN; m_LogFont.lfCharSet = GB2312_CHARSET; strcpy(m_LogFont.lfFaceName, "宋体"); m_Font.CreateFontIndirect(&m_LogFont); } CTaskItem::CTaskItem(const CTaskItem& rhs) { CItem::operator=(rhs); m_LogFont = rhs.m_LogFont; m_Font.CreateFontIndirect(&m_LogFont); } CItem* CTaskItem::Clone() { return new CTaskItem(*this); } CTaskItem::~CTaskItem() { } void CTaskItem::Draw() { if(m_ItemInfo.type != II_ICONTEXT) return; if(m_pWnd == NULL) return; CDC* pDC = m_pWnd->GetDC(); HDC hdc = pDC->m_hDC; CRect rect(m_rSize); COLORREF cl = GetFocusedState() ? RGB(128, 255, 255) : RGB(255, 255, 255); CBrush brush; brush.CreateSolidBrush(cl); pDC->FillRect(&rect, &brush); brush.DeleteObject(); DrawIconEx(hdc, m_rSize.left, m_rSize.top, m_ItemInfo.icon, 16, 16, NULL, NULL, DI_NORMAL); CFont* pOldFont = pDC->SelectObject(&m_Font); pDC->SetBkMode(TRANSPARENT); TEXTMETRIC tm; GetTextMetrics(hdc, &tm); int max_len = (rect.Width() - 16 - 5) / tm.tmAveCharWidth; pDC->TextOut(rect.left + 16 + 5, rect.top + 2, m_ItemInfo.text.Left(max_len)); pDC->SetBkMode(OPAQU