////////////////////////////////////////////////////////////////////////// // Class Name: CDuiListBoxEx // Description: A DuiWindow Based ListBox Control. Can contain control as an item // Creator: Huang Jianxiong // Version: 2011.8.27 - 1.0 - Create ////////////////////////////////////////////////////////////////////////// #pragma once #include "stdafx.h" #include "Slistboxex.h" #include #pragma warning(disable:4018) #pragma warning(disable:4267) namespace SOUI { SListBoxEx::SListBoxEx() : m_nItemHei(20) , m_iScrollSpeed(-1) , m_iSelItem(-1) , m_iHoverItem(-1) , m_pCapturedFrame(NULL) , m_pItemSkin(NULL) , m_crItemBg(CR_INVALID) , m_crItemSelBg(RGBA(57,145,209,255)) , m_crItemHotBg(RGBA(57,145,209,128)) , m_bItemRedrawDelay(TRUE) { m_bFocusable=TRUE; m_evtSet.addEvent(EVENTID(EventOfPanel)); m_evtSet.addEvent(EVENTID(EventLBGetDispInfo)); m_evtSet.addEvent(EVENTID(EventLBSelChanging)); m_evtSet.addEvent(EVENTID(EventLBSelChanged)); } SListBoxEx::~SListBoxEx() { } void SListBoxEx::DeleteAllItems(BOOL bUpdate/*=TRUE*/) { for(int i=0; iRelease(); } m_arrItems.RemoveAll(); m_iSelItem=-1; m_iHoverItem=-1; m_pCapturedFrame=NULL; ReleaseCapture(); SetViewSize(CSize(0,0)); if(bUpdate) Invalidate(); } void SListBoxEx::DeleteItem(int iItem) { if(iItem<0 || iItem>=GetItemCount()) return; if(m_pCapturedFrame == m_arrItems[iItem]) { m_pCapturedFrame=NULL; ReleaseCapture(); } m_arrItems[iItem]->Release(); m_arrItems.RemoveAt(iItem); if(m_iSelItem==iItem) m_iSelItem=-1; else if(m_iSelItem>iItem) m_iSelItem--; if(m_iHoverItem==iItem) m_iHoverItem=-1; else if(m_iHoverItem>iItem) m_iHoverItem--; UpdatePanelsIndex(iItem,-1); CRect rcClient; SWindow::GetClientRect(&rcClient); CSize szView(rcClient.Width(),GetItemCount()*m_nItemHei); if(szView.cy>rcClient.Height()) szView.cx-=GetSbWidth(); SetViewSize(szView); } int SListBoxEx::InsertItem(int iItem,pugi::xml_node xmlNode,LPARAM dwData/*=0*/) { SItemPanel *pItemObj=SItemPanel::Create(this,xmlNode,this); if(iItem==-1 || iItem>=GetItemCount()) { iItem=GetItemCount(); } pItemObj->SetItemData(dwData); pItemObj->Move(CRect(0,0,m_rcClient.Width(),m_nItemHei)); if(m_pItemSkin) pItemObj->SetSkin(m_pItemSkin); pItemObj->SetColor(m_crItemBg,m_crItemSelBg); m_arrItems.InsertAt(iItem,pItemObj); if(m_iSelItem>=iItem) m_iSelItem++; if(m_iHoverItem>=iItem) m_iHoverItem++; UpdatePanelsIndex(iItem,-1); CRect rcClient; SWindow::GetClientRect(&rcClient); CSize szView(rcClient.Width(),GetItemCount()*m_nItemHei); if(szView.cy>rcClient.Height()) szView.cx-=GetSbWidth(); SetViewSize(szView); return iItem; } int SListBoxEx::InsertItem(int iItem,LPCWSTR pszXml,LPARAM dwData/*=0*/) { if(pszXml) { pugi::xml_document xmlDoc; if(!xmlDoc.load_buffer(pszXml,wcslen(pszXml)*sizeof(wchar_t),pugi::parse_default,pugi::encoding_utf16)) return -1; return InsertItem(iItem,xmlDoc.first_child(),dwData); }else { pugi::xml_node xmlNode = m_xmlTempl.child(L"template"); if(!xmlNode) return -1; return InsertItem(iItem,xmlNode,dwData); } } BOOL SListBoxEx::SetCurSel(int iItem) { if(iItem>=GetItemCount()) return FALSE; if(iItem < 0 ) iItem =-1; if(m_iSelItem==iItem) return FALSE; int nOldSel=m_iSelItem; m_iSelItem=iItem; if(nOldSel!=-1) { m_arrItems[nOldSel]->ModifyItemState(0,WndState_Check); if(IsVisible(TRUE)) RedrawItem(nOldSel); } if(m_iSelItem!=-1) { m_arrItems[m_iSelItem]->ModifyItemState(WndState_Check,0); if(IsVisible(TRUE)) RedrawItem(m_iSelItem); } return TRUE; } void SListBoxEx::EnsureVisible( int iItem ) { if(iItem<0 || iItem>=GetItemCount()) return; int iFirstVisible=(m_ptOrigin.y + m_nItemHei -1) / m_nItemHei; CRect rcClient; GetClientRect(&rcClient); int nVisibleItems=rcClient.Height()/m_nItemHei; if(iItem iFirstVisible+nVisibleItems-1) { int nOffset=GetScrollPos(TRUE); if(iItem= GetItemCount()) return NULL; return m_arrItems[iItem]; } LPARAM SListBoxEx::GetItemData(int iItem) { SASSERT(iItem>=0 || iItem< GetItemCount()); return m_arrItems[iItem]->GetItemData(); } void SListBoxEx::SetItemData( int iItem,LPARAM lParam ) { SASSERT(iItem>=0 || iItem< GetItemCount()); m_arrItems[iItem]->SetItemData(lParam); } BOOL SListBoxEx::SetItemCount(int nItems,LPCTSTR pszXmlTemplate) { if(m_arrItems.GetCount()!=0) return FALSE; pugi::xml_document xmlDoc; pugi::xml_node xmlTemplate = m_xmlTempl.child(L"template"); if(pszXmlTemplate) { SStringA strUtf8=S_CT2A(pszXmlTemplate,CP_UTF8); if(!xmlDoc.load_buffer((LPCSTR)strUtf8,strUtf8.GetLength(),pugi::parse_default,pugi::encoding_utf8)) return FALSE; xmlTemplate = xmlDoc.first_child(); } if(!xmlTemplate) return FALSE; m_arrItems.SetCount(nItems); for(int i=0;iMove(CRect(0,0,m_rcClient.Width(),m_nItemHei)); if(m_pItemSkin) pItemObj->SetSkin(m_pItemSkin); pItemObj->SetColor(m_crItemBg,m_crItemSelBg); m_arrItems[i] = pItemObj; pItemObj->SetItemIndex(i); } CRect rcClient; SWindow::GetClientRect(&rcClient); CSize szView(rcClient.Width(),GetItemCount()*m_nItemHei); if(szView.cy>rcClient.Height()) szView.cx-=GetSbWidth(); SetViewSize(szView); return TRUE; } int SListBoxEx::GetItemCount() { return m_arrItems.GetCount(); } void SListBoxEx::RedrawItem(int iItem) { if(!IsVisible(TRUE)) return; CRect rcClient; GetClientRect(&rcClient); CRect rcItem=GetItemRect(iItem); CRect rcInter; rcInter.IntersectRect(&rcClient,&rcItem); if(rcInter.IsRectEmpty()) return; IRenderTarget * pRT=GetRenderTarget(&rcItem, GRT_PAINTBKGND); SSendMessage(WM_ERASEBKGND,(WPARAM)pRT); DrawItem(pRT,rcItem,iItem); ReleaseRenderTarget(pRT); } //自动修改pt的位置为相对当前项的偏移量 int SListBoxEx::HitTest(CPoint &pt) { CRect rcClient; GetClientRect(&rcClient); CPoint pt2=pt; pt2.y -= rcClient.top - m_ptOrigin.y; int nRet=pt2.y/m_nItemHei; if(nRet >= GetItemCount()) nRet=-1; else { pt.x-=rcClient.left; pt.y=pt2.y%m_nItemHei; } return nRet; } void SListBoxEx::OnPaint(IRenderTarget * pRT) { SPainter duiDC; BeforePaint(pRT,duiDC); CRect rcClient; GetClientRect(&rcClient); pRT->PushClipRect(&rcClient,RGN_AND); int iFirstVisible=m_ptOrigin.y/m_nItemHei; int nPageItems=(m_rcClient.Height()+m_nItemHei-1)/m_nItemHei+1; CRect rcClip,rcInter; pRT->GetClipBox(&rcClip); for(int iItem = iFirstVisible; iItemPopClip(); AfterPaint(pRT,duiDC); } void SListBoxEx::OnSize( UINT nType, CSize size ) { __super::OnSize(nType,size); Relayout(); } void SListBoxEx::DrawItem(IRenderTarget *pRT, CRect & rc, int iItem) { if (iItem < 0 || iItem >= GetItemCount()) return; BOOL bTextColorChanged = FALSE; int nBgImg = 0; COLORREF crItemBg = m_crItemBg; if ( iItem == m_iSelItem) {//和下面那个if的条件分开,才会有sel和hot的区别 if (m_pItemSkin != NULL) nBgImg = 2; else if (CR_INVALID != m_crItemSelBg) crItemBg = m_crItemSelBg; } else if ((iItem == m_iHoverItem || (m_iHoverItem==-1 && iItem== m_iSelItem)) && m_bHotTrack) { if (m_pItemSkin != NULL) nBgImg = 1; else if (CR_INVALID != m_crItemHotBg) crItemBg = m_crItemHotBg; } //绘制背景 // if (m_pItemSkin != NULL) // m_pItemSkin->Draw(pRT, rc, nBgImg); // else if (CR_INVALID != crItemBg) // pRT->FillSolidRect( rc, crItemBg); //上面的代码在某些时候,【指定skin的时候,会导致背景异常】 if (CR_INVALID != crItemBg)//先画背景 pRT->FillSolidRect( rc, crItemBg); if (m_pItemSkin != NULL)//有skin,则覆盖背景 m_pItemSkin->DrawByIndex(pRT, rc, nBgImg); EventLBGetDispInfo evt(this); evt.bHover=iItem == m_iHoverItem; evt.bSel =iItem == m_iSelItem; evt.pItem = m_arrItems[iItem]; evt.iItem = iItem; FireEvent(evt); m_arrItems[iItem]->Draw(pRT,rc); } BOOL SListBoxEx::CreateChildren(pugi::xml_node xmlNode) { if(!xmlNode) return TRUE; pugi::xml_node xmlTempl=xmlNode.child(L"template"); pugi::xml_node xmlItems=xmlNode.child(L"items"); if(xmlTempl) m_xmlTempl.append_copy(xmlTempl); if(xmlItems) { pugi::xml_node xmlItem=xmlItems.child(L"item"); while(xmlItem) { int dwData=xmlItem.attribute(L"itemdata").as_int(0); InsertItem(-1,xmlItem,dwData); xmlItem=xmlItem.next_sibling(L"item"); } SetCurSel(xmlItems.attribute(L"cursel").as_int(-1)); } return TRUE; } void SListBoxEx::NotifySelChange( int nOldSel,int nNewSel) { EventLBSelChanging evt1(this); evt1.nOldSel=nOldSel; evt1.nNewSel=nNewSel; FireEvent(evt1); if(evt1.bCancel) return ; m_iSelItem=nNewSel; if(nOldSel!=-1) { m_arrItems[nOldSel]->ModifyItemState(0,WndState_Check); RedrawItem(nOldSel); } if(m_iSelItem!=-1) { m_arrItems[m_iSelItem]->ModifyItemState(WndState_Check,0); RedrawItem(m_iSelItem); } EventLBSelChanged evt2(this); evt2.nOldSel=nOldSel; evt2.nNewSel=nNewSel; FireEvent(evt2); } void SListBoxEx::OnMouseLeave() { __super::OnMouseLeave(); if(m_iHoverItem!=-1) { int nOldHover=m_iHoverItem; m_iHoverItem=-1; m_arrItems[nOldHover]->DoFrameEvent(WM_MOUSELEAVE,0,0); } } BOOL SListBoxEx::OnSetCursor(const CPoint &pt) { BOOL bRet=FALSE; if(m_pCapturedFrame) { CRect rcItem=m_pCapturedFrame->GetItemRect(); bRet=m_pCapturedFrame->DoFrameEvent(WM_SETCURSOR,0,MAKELPARAM(pt.x-rcItem.left,pt.y-rcItem.top))!=0; } else if(m_iHoverItem!=-1) { CRect rcItem=GetItemRect(m_iHoverItem); bRet=m_arrItems[m_iHoverItem]->DoFrameEvent(WM_SETCURSOR,0,MAKELPARAM(pt.x-rcItem.left,pt.y-rcItem.top))!=0; } if(!bRet) { bRet=__super::OnSetCursor(pt); } return bRet; } void SListBoxEx::OnKeyDown( TCHAR nChar, UINT nRepCnt, UINT nFlags ) { int nNewSelItem = -1; SWindow *pOwner = GetOwner(); if (pOwner && (nChar == VK_ESCAPE)) { pOwner->SSendMessage(WM_KEYDOWN, nChar, MAKELONG(nFlags, nRepCnt)); return; } if (nChar == VK_DOWN && m_iSelItem < GetItemCount() - 1) nNewSelItem = m_iSelItem+1; else if (nChar == VK_UP && m_iSelItem > 0) nNewSelItem = m_iSelItem-1; else if (pOwner && nChar == VK_RETURN) nNewSelItem = m_iSelItem; else if(nChar == VK_PRIOR) { OnScroll(TRUE,SB_PAGEUP,0); }else if(nChar == VK_NEXT) { OnScroll(TRUE,SB_PAGEDOWN,0); } if(nNewSelItem!=-1) { EnsureVisible(nNewSelItem); NotifySelChange(m_iSelItem,nNewSelItem); } } void SListBoxEx::OnChar(UINT nChar, UINT nRepCnt, UINT nFlags) { SWindow *pOwner = GetOwner(); if (pOwner) pOwner->SSendMessage(WM_CHAR, nChar, MAKELONG(nFlags, nRepCnt)); } UINT SListBoxEx::OnGetDlgCode() { return SC_WANTALLKEYS; } void SListBoxEx::OnDestroy() { DeleteAllItems(FALSE); __super::OnDestroy(); } BOOL SListBoxEx::OnUpdateToolTip(CPoint pt, SwndToolTipInfo & tipInfo) { if(m_iHoverItem==-1) return __super::OnUpdateToolTip(pt,tipInfo); return m_arrItems[m_iHoverItem]->OnUpdateToolTip(pt,tipInfo); } void SListBoxEx::OnItemSetCapture(SItemPanel *pItem,BOOL bCapture ) { if(bCapture) { SetCapture(); m_pCapturedFrame=pItem; } else if(pItem==m_pCapturedFrame) { ReleaseCapture(); m_pCapturedFrame=NULL; } } CRect SListBoxEx::GetItemRect( int iItem ) { CRect rcClient; GetClientRect(&rcClient); CRect rcRet(CPoint(0,iItem*m_nItemHei),CSize(rcClient.Width(),m_nItemHei)); rcRet.OffsetRect(rcClient.TopLeft()-m_ptOrigin); return rcRet; } BOOL SListBoxEx::OnItemGetRect(SItemPanel *pItem,CRect &rcItem ) { int iItem=pItem->GetItemIndex(); rcItem=GetItemRect(iItem); return TRUE; } LRESULT SListBoxEx::OnMouseEvent( UINT uMsg,WPARAM wParam,LPARAM lParam ) { LRESULT lRet=0; CPoint pt(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam)); if(uMsg==WM_LBUTTONUP && m_iHoverItem!=m_iSelItem) NotifySelChange(m_iSelItem,m_iHoverItem); if(m_pCapturedFrame) { CRect rcItem=m_pCapturedFrame->GetItemRect(); pt.Offset(-rcItem.TopLeft()); lRet = m_pCapturedFrame->DoFrameEvent(uMsg,wParam,MAKELPARAM(pt.x,pt.y)); } else { if(m_bFocusable && (uMsg==WM_LBUTTONDOWN || uMsg== WM_RBUTTONDOWN || uMsg==WM_LBUTTONDBLCLK)) SetFocus(); int iHover=HitTest(pt); if(iHover!=m_iHoverItem) { int nOldHover=m_iHoverItem; m_iHoverItem=iHover; if(nOldHover!=-1) { RedrawItem(nOldHover); m_arrItems[nOldHover]->DoFrameEvent(WM_MOUSELEAVE,0,0); } if(m_iHoverItem!=-1) { RedrawItem(m_iHoverItem); m_arrItems[m_iHoverItem]->DoFrameEvent(WM_MOUSEHOVER,wParam,MAKELPARAM(pt.x,pt.y)); } } if(uMsg==WM_LBUTTONDOWN && m_iSelItem!=-1 && m_iSelItem != m_iHoverItem ) {//选择一个新行的时候原有行失去焦点 m_arrItems[m_iSelItem]->GetFocusManager()->SetFocusedHwnd(0); } if(m_iHoverItem!=-1) { m_arrItems[m_iHoverItem]->DoFrameEvent(uMsg,wParam,MAKELPARAM(pt.x,pt.y)); } } return 0; } LRESULT SListBoxEx::OnKeyEvent( UINT uMsg,WPARAM wParam,LPARAM lParam ) { LRESULT lRet=0; if(m_pCapturedFrame) { lRet=m_pCapturedFrame->DoFrameEvent(uMsg,wParam,lParam); SetMsgHandled(m_pCapturedFrame->IsMsgHandled()); } else if(m_iSelItem!=-1) { lRet=m_arrItems[m_iSelItem]->DoFrameEvent(uMsg,wParam,lParam); SetMsgHandled(m_arrItems[m_iSelItem]->IsMsgHandled()); }else { SetMsgHandled(FALSE); } return lRet; } //同步在SItemPanel中的index属性,在执行了插入,删除等操作后使用 void SListBoxEx::UpdatePanelsIndex(UINT nFirst,UINT nLast) { for(UINT i=nFirst;iSetItemIndex(i); } } void SListBoxEx::OnSetFocus(SWND wndOld) { __super::OnSetFocus(wndOld); if(m_iSelItem!=-1) m_arrItems[m_iSelItem]->DoFrameEvent(WM_SETFOCUS,0,0); } void SListBoxEx::OnKillFocus(SWND wndFocus) { __super::OnKillFocus(wndFocus); if(m_iSelItem!=-1) m_arrItems[m_iSelItem]->DoFrameEvent(WM_KILLFOCUS,0,0); if(m_iSelItem!=-1) RedrawItem(m_iSelItem); } LRESULT SListBoxEx::OnNcCalcSize( BOOL bCalcValidRects, LPARAM lParam ) { LRESULT lRet=__super::OnNcCalcSize(bCalcValidRects,lParam); Relayout(); return lRet; } void SListBoxEx::Relayout() { for(int i=0; iMove(CRect(0,0,m_rcClient.Width(),m_nItemHei)); } void SListBoxEx::OnViewOriginChanged( CPoint ptOld,CPoint ptNew ) { if(m_iSelItem!=-1 && IsFocused()) {//这里需要重新设置一下选中行的焦点状态来更新光标位置 m_arrItems[m_iSelItem]->DoFrameEvent(WM_KILLFOCUS,0,0); m_arrItems[m_iSelItem]->DoFrameEvent(WM_SETFOCUS,0,0); } } BOOL SListBoxEx::OnMouseWheel( UINT nFlags, short zDelta, CPoint pt ) { return __super::OnMouseWheel(nFlags,zDelta,pt); } void SListBoxEx::OnItemRequestRelayout(SItemPanel *pItem) { CRect rcWnd = pItem->GetWindowRect(); pItem->Move(rcWnd); } }//namespace SOUI