// Copyright 2014 PDFium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com #include "xfa/fwl/basewidget/fwl_listboximp.h" #include "xfa/fde/tto/fde_textout.h" #include "xfa/fwl/basewidget/fwl_comboboximp.h" #include "xfa/fwl/basewidget/fwl_scrollbarimp.h" #include "xfa/fwl/core/cfwl_message.h" #include "xfa/fwl/core/cfwl_themebackground.h" #include "xfa/fwl/core/cfwl_themepart.h" #include "xfa/fwl/core/cfwl_themetext.h" #include "xfa/fwl/core/fwl_noteimp.h" #include "xfa/fwl/core/fwl_widgetimp.h" #include "xfa/fwl/core/ifwl_themeprovider.h" namespace { const int kItemTextMargin = 2; } // namespace // static IFWL_ListBox* IFWL_ListBox::Create(const CFWL_WidgetImpProperties& properties, IFWL_Widget* pOuter) { IFWL_ListBox* pListBox = new IFWL_ListBox; CFWL_ListBoxImp* pListBoxImpl = new CFWL_ListBoxImp(properties, pOuter); pListBox->SetImpl(pListBoxImpl); pListBoxImpl->SetInterface(pListBox); return pListBox; } // static IFWL_ListBox* IFWL_ListBox::CreateComboList( const CFWL_WidgetImpProperties& properties, IFWL_Widget* pOuter) { IFWL_ListBox* pListBox = new IFWL_ListBox; CFWL_ListBoxImp* pComboListImpl = new CFWL_ComboListImp(properties, pOuter); pListBox->SetImpl(pComboListImpl); pComboListImpl->SetInterface(pListBox); return pListBox; } IFWL_ListBox::IFWL_ListBox() {} int32_t IFWL_ListBox::CountSelItems() { return static_cast<CFWL_ListBoxImp*>(GetImpl())->CountSelItems(); } IFWL_ListItem* IFWL_ListBox::GetSelItem(int32_t nIndexSel) { return static_cast<CFWL_ListBoxImp*>(GetImpl())->GetSelItem(nIndexSel); } int32_t IFWL_ListBox::GetSelIndex(int32_t nIndex) { return static_cast<CFWL_ListBoxImp*>(GetImpl())->GetSelIndex(nIndex); } FWL_Error IFWL_ListBox::SetSelItem(IFWL_ListItem* pItem, FX_BOOL bSelect) { return static_cast<CFWL_ListBoxImp*>(GetImpl())->SetSelItem(pItem, bSelect); } FWL_Error IFWL_ListBox::GetItemText(IFWL_ListItem* pItem, CFX_WideString& wsText) { return static_cast<CFWL_ListBoxImp*>(GetImpl())->GetItemText(pItem, wsText); } FWL_Error IFWL_ListBox::GetScrollPos(FX_FLOAT& fPos, FX_BOOL bVert) { return static_cast<CFWL_ListBoxImp*>(GetImpl())->GetScrollPos(fPos, bVert); } CFWL_ListBoxImp::CFWL_ListBoxImp(const CFWL_WidgetImpProperties& properties, IFWL_Widget* pOuter) : CFWL_WidgetImp(properties, pOuter), m_dwTTOStyles(0), m_iTTOAligns(0), m_hAnchor(nullptr), m_fScorllBarWidth(0), m_bLButtonDown(FALSE), m_pScrollBarTP(nullptr) { m_rtClient.Reset(); m_rtConent.Reset(); m_rtStatic.Reset(); } CFWL_ListBoxImp::~CFWL_ListBoxImp() {} FWL_Error CFWL_ListBoxImp::GetClassName(CFX_WideString& wsClass) const { wsClass = FWL_CLASS_ListBox; return FWL_Error::Succeeded; } FWL_Type CFWL_ListBoxImp::GetClassID() const { return FWL_Type::ListBox; } FWL_Error CFWL_ListBoxImp::Initialize() { if (CFWL_WidgetImp::Initialize() != FWL_Error::Succeeded) return FWL_Error::Indefinite; m_pDelegate = new CFWL_ListBoxImpDelegate(this); return FWL_Error::Succeeded; } FWL_Error CFWL_ListBoxImp::Finalize() { if (m_pVertScrollBar) { m_pVertScrollBar->Finalize(); } if (m_pHorzScrollBar) { m_pHorzScrollBar->Finalize(); } delete m_pDelegate; m_pDelegate = nullptr; return CFWL_WidgetImp::Finalize(); } FWL_Error CFWL_ListBoxImp::GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize) { if (bAutoSize) { rect.Set(0, 0, 0, 0); if (!m_pProperties->m_pThemeProvider) { m_pProperties->m_pThemeProvider = GetAvailableTheme(); } CFX_SizeF fs = CalcSize(TRUE); rect.Set(0, 0, fs.x, fs.y); CFWL_WidgetImp::GetWidgetRect(rect, TRUE); } else { rect = m_pProperties->m_rtWidget; } return FWL_Error::Succeeded; } FWL_Error CFWL_ListBoxImp::Update() { if (IsLocked()) { return FWL_Error::Indefinite; } if (!m_pProperties->m_pThemeProvider) { m_pProperties->m_pThemeProvider = GetAvailableTheme(); } m_iTTOAligns = FDE_TTOALIGNMENT_Center; switch (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_AlignMask) { case FWL_STYLEEXT_LTB_LeftAlign: { m_iTTOAligns = FDE_TTOALIGNMENT_CenterLeft; break; } case FWL_STYLEEXT_LTB_RightAlign: { m_iTTOAligns = FDE_TTOALIGNMENT_CenterRight; break; } case FWL_STYLEEXT_LTB_CenterAlign: default: { m_iTTOAligns = FDE_TTOALIGNMENT_Center; } } if (m_pProperties->m_dwStyleExes & FWL_WGTSTYLE_RTLReading) { m_dwTTOStyles |= FDE_TTOSTYLE_RTL; } m_dwTTOStyles |= FDE_TTOSTYLE_SingleLine; m_fScorllBarWidth = GetScrollWidth(); CalcSize(); return FWL_Error::Succeeded; } FWL_WidgetHit CFWL_ListBoxImp::HitTest(FX_FLOAT fx, FX_FLOAT fy) { if (IsShowScrollBar(FALSE)) { CFX_RectF rect; m_pHorzScrollBar->GetWidgetRect(rect); if (rect.Contains(fx, fy)) return FWL_WidgetHit::HScrollBar; } if (IsShowScrollBar(TRUE)) { CFX_RectF rect; m_pVertScrollBar->GetWidgetRect(rect); if (rect.Contains(fx, fy)) return FWL_WidgetHit::VScrollBar; } if (m_rtClient.Contains(fx, fy)) return FWL_WidgetHit::Client; return FWL_WidgetHit::Unknown; } FWL_Error CFWL_ListBoxImp::DrawWidget(CFX_Graphics* pGraphics, const CFX_Matrix* pMatrix) { if (!pGraphics) return FWL_Error::Indefinite; if (!m_pProperties->m_pThemeProvider) return FWL_Error::Indefinite; IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider; pGraphics->SaveGraphState(); if (HasBorder()) { DrawBorder(pGraphics, CFWL_Part::Border, pTheme, pMatrix); } if (HasEdge()) { DrawEdge(pGraphics, CFWL_Part::Edge, pTheme, pMatrix); } CFX_RectF rtClip(m_rtConent); if (IsShowScrollBar(FALSE)) { rtClip.height -= m_fScorllBarWidth; } if (IsShowScrollBar(TRUE)) { rtClip.width -= m_fScorllBarWidth; } if (pMatrix) { pMatrix->TransformRect(rtClip); } pGraphics->SetClipRect(rtClip); if ((m_pProperties->m_dwStyles & FWL_WGTSTYLE_NoBackground) == 0) { DrawBkground(pGraphics, pTheme, pMatrix); } DrawItems(pGraphics, pTheme, pMatrix); pGraphics->RestoreGraphState(); return FWL_Error::Succeeded; } FWL_Error CFWL_ListBoxImp::SetThemeProvider( IFWL_ThemeProvider* pThemeProvider) { if (!pThemeProvider) return FWL_Error::Indefinite; if (!pThemeProvider->IsValidWidget(m_pInterface)) { m_pScrollBarTP = pThemeProvider; return FWL_Error::Succeeded; } m_pProperties->m_pThemeProvider = pThemeProvider; return FWL_Error::Succeeded; } int32_t CFWL_ListBoxImp::CountSelItems() { if (!m_pProperties->m_pDataProvider) return 0; int32_t iRet = 0; IFWL_ListBoxDP* pData = static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); int32_t iCount = pData->CountItems(m_pInterface); for (int32_t i = 0; i < iCount; i++) { IFWL_ListItem* pItem = pData->GetItem(m_pInterface, i); if (!pItem) { continue; } uint32_t dwStyle = pData->GetItemStyles(m_pInterface, pItem); if (dwStyle & FWL_ITEMSTATE_LTB_Selected) { iRet++; } } return iRet; } IFWL_ListItem* CFWL_ListBoxImp::GetSelItem(int32_t nIndexSel) { if (!m_pProperties->m_pDataProvider) return nullptr; int32_t index = 0; IFWL_ListBoxDP* pData = static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); int32_t iCount = pData->CountItems(m_pInterface); for (int32_t i = 0; i < iCount; i++) { IFWL_ListItem* pItem = pData->GetItem(m_pInterface, i); if (!pItem) { return nullptr; } uint32_t dwStyle = pData->GetItemStyles(m_pInterface, pItem); if (dwStyle & FWL_ITEMSTATE_LTB_Selected) { if (index == nIndexSel) { return pItem; } else { index++; } } } return nullptr; } int32_t CFWL_ListBoxImp::GetSelIndex(int32_t nIndex) { if (!m_pProperties->m_pDataProvider) return -1; int32_t index = 0; IFWL_ListBoxDP* pData = static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); int32_t iCount = pData->CountItems(m_pInterface); for (int32_t i = 0; i < iCount; i++) { IFWL_ListItem* pItem = pData->GetItem(m_pInterface, i); if (!pItem) { return -1; } uint32_t dwStyle = pData->GetItemStyles(m_pInterface, pItem); if (dwStyle & FWL_ITEMSTATE_LTB_Selected) { if (index == nIndex) { return i; } else { index++; } } } return -1; } FWL_Error CFWL_ListBoxImp::SetSelItem(IFWL_ListItem* pItem, FX_BOOL bSelect) { if (!m_pProperties->m_pDataProvider) return FWL_Error::Indefinite; if (!pItem) { if (bSelect) { SelectAll(); } else { ClearSelection(); SetFocusItem(nullptr); } return FWL_Error::Indefinite; } if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_MultiSelection) { SetSelectionDirect(pItem, bSelect); } else { SetSelection(pItem, pItem, bSelect); } return FWL_Error::Succeeded; } FWL_Error CFWL_ListBoxImp::GetItemText(IFWL_ListItem* pItem, CFX_WideString& wsText) { if (!m_pProperties->m_pDataProvider) return FWL_Error::Indefinite; IFWL_ListBoxDP* pData = static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); if (!pItem) return FWL_Error::Indefinite; pData->GetItemText(m_pInterface, pItem, wsText); return FWL_Error::Succeeded; } FWL_Error CFWL_ListBoxImp::GetScrollPos(FX_FLOAT& fPos, FX_BOOL bVert) { if ((bVert && IsShowScrollBar(TRUE)) || (!bVert && IsShowScrollBar(FALSE))) { IFWL_ScrollBar* pScrollBar = bVert ? m_pVertScrollBar.get() : m_pHorzScrollBar.get(); fPos = pScrollBar->GetPos(); return FWL_Error::Succeeded; } return FWL_Error::Indefinite; } IFWL_ListItem* CFWL_ListBoxImp::GetItem(IFWL_ListItem* pItem, uint32_t dwKeyCode) { IFWL_ListItem* hRet = nullptr; switch (dwKeyCode) { case FWL_VKEY_Up: case FWL_VKEY_Down: case FWL_VKEY_Home: case FWL_VKEY_End: { const bool bUp = dwKeyCode == FWL_VKEY_Up; const bool bDown = dwKeyCode == FWL_VKEY_Down; const bool bHome = dwKeyCode == FWL_VKEY_Home; IFWL_ListBoxDP* pData = static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); int32_t iDstItem = -1; if (bUp || bDown) { int32_t index = pData->GetItemIndex(m_pInterface, pItem); iDstItem = dwKeyCode == FWL_VKEY_Up ? index - 1 : index + 1; } else if (bHome) { iDstItem = 0; } else { int32_t iCount = pData->CountItems(m_pInterface); iDstItem = iCount - 1; } hRet = pData->GetItem(m_pInterface, iDstItem); break; } default: {} } return hRet; } void CFWL_ListBoxImp::SetSelection(IFWL_ListItem* hStart, IFWL_ListItem* hEnd, FX_BOOL bSelected) { IFWL_ListBoxDP* pData = static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); int32_t iStart = pData->GetItemIndex(m_pInterface, hStart); int32_t iEnd = pData->GetItemIndex(m_pInterface, hEnd); if (iStart > iEnd) { int32_t iTemp = iStart; iStart = iEnd; iEnd = iTemp; } if (bSelected) { int32_t iCount = pData->CountItems(m_pInterface); for (int32_t i = 0; i < iCount; i++) { IFWL_ListItem* pItem = pData->GetItem(m_pInterface, i); SetSelectionDirect(pItem, FALSE); } } for (; iStart <= iEnd; iStart++) { IFWL_ListItem* pItem = pData->GetItem(m_pInterface, iStart); SetSelectionDirect(pItem, bSelected); } } void CFWL_ListBoxImp::SetSelectionDirect(IFWL_ListItem* pItem, FX_BOOL bSelect) { IFWL_ListBoxDP* pData = static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); uint32_t dwOldStyle = pData->GetItemStyles(m_pInterface, pItem); bSelect ? dwOldStyle |= FWL_ITEMSTATE_LTB_Selected : dwOldStyle &= ~FWL_ITEMSTATE_LTB_Selected; pData->SetItemStyles(m_pInterface, pItem, dwOldStyle); } FX_BOOL CFWL_ListBoxImp::IsItemSelected(IFWL_ListItem* pItem) { IFWL_ListBoxDP* pData = static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); uint32_t dwState = pData->GetItemStyles(m_pInterface, pItem); return (dwState & FWL_ITEMSTATE_LTB_Selected) != 0; } void CFWL_ListBoxImp::ClearSelection() { FX_BOOL bMulti = m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_MultiSelection; IFWL_ListBoxDP* pData = static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); int32_t iCount = pData->CountItems(m_pInterface); for (int32_t i = 0; i < iCount; i++) { IFWL_ListItem* pItem = pData->GetItem(m_pInterface, i); uint32_t dwState = pData->GetItemStyles(m_pInterface, pItem); if (!(dwState & FWL_ITEMSTATE_LTB_Selected)) continue; SetSelectionDirect(pItem, FALSE); if (!bMulti) return; } } void CFWL_ListBoxImp::SelectAll() { FX_BOOL bMulti = m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_MultiSelection; if (!bMulti) { return; } IFWL_ListBoxDP* pData = static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); int32_t iCount = pData->CountItems(m_pInterface); if (iCount > 0) { IFWL_ListItem* pItemStart = pData->GetItem(m_pInterface, 0); IFWL_ListItem* pItemEnd = pData->GetItem(m_pInterface, iCount - 1); SetSelection(pItemStart, pItemEnd, FALSE); } } IFWL_ListItem* CFWL_ListBoxImp::GetFocusedItem() { IFWL_ListBoxDP* pData = static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); int32_t iCount = pData->CountItems(m_pInterface); for (int32_t i = 0; i < iCount; i++) { IFWL_ListItem* pItem = pData->GetItem(m_pInterface, i); if (!pItem) return nullptr; if (pData->GetItemStyles(m_pInterface, pItem) & FWL_ITEMSTATE_LTB_Focused) { return pItem; } } return nullptr; } void CFWL_ListBoxImp::SetFocusItem(IFWL_ListItem* pItem) { IFWL_ListBoxDP* pData = static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); IFWL_ListItem* hFocus = GetFocusedItem(); if (pItem != hFocus) { if (hFocus) { uint32_t dwStyle = pData->GetItemStyles(m_pInterface, hFocus); dwStyle &= ~FWL_ITEMSTATE_LTB_Focused; pData->SetItemStyles(m_pInterface, hFocus, dwStyle); } if (pItem) { uint32_t dwStyle = pData->GetItemStyles(m_pInterface, pItem); dwStyle |= FWL_ITEMSTATE_LTB_Focused; pData->SetItemStyles(m_pInterface, pItem, dwStyle); } } } IFWL_ListItem* CFWL_ListBoxImp::GetItemAtPoint(FX_FLOAT fx, FX_FLOAT fy) { fx -= m_rtConent.left, fy -= m_rtConent.top; FX_FLOAT fPosX = 0.0f; if (m_pHorzScrollBar) { fPosX = m_pHorzScrollBar->GetPos(); } FX_FLOAT fPosY = 0.0; if (m_pVertScrollBar) { fPosY = m_pVertScrollBar->GetPos(); } IFWL_ListBoxDP* pData = static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); int32_t nCount = pData->CountItems(m_pInterface); for (int32_t i = 0; i < nCount; i++) { IFWL_ListItem* pItem = pData->GetItem(m_pInterface, i); if (!pItem) { continue; } CFX_RectF rtItem; pData->GetItemRect(m_pInterface, pItem, rtItem); rtItem.Offset(-fPosX, -fPosY); if (rtItem.Contains(fx, fy)) { return pItem; } } return nullptr; } FX_BOOL CFWL_ListBoxImp::GetItemCheckRect(IFWL_ListItem* pItem, CFX_RectF& rtCheck) { if (!m_pProperties->m_pDataProvider) return FALSE; if (!(m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_Check)) { return FALSE; } IFWL_ListBoxDP* pData = static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); pData->GetItemCheckRect(m_pInterface, pItem, rtCheck); return TRUE; } FX_BOOL CFWL_ListBoxImp::GetItemChecked(IFWL_ListItem* pItem) { if (!m_pProperties->m_pDataProvider) return FALSE; if (!(m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_Check)) { return FALSE; } IFWL_ListBoxDP* pData = static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); return (pData->GetItemCheckState(m_pInterface, pItem) & FWL_ITEMSTATE_LTB_Checked); } FX_BOOL CFWL_ListBoxImp::SetItemChecked(IFWL_ListItem* pItem, FX_BOOL bChecked) { if (!m_pProperties->m_pDataProvider) return FALSE; if (!(m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_Check)) { return FALSE; } IFWL_ListBoxDP* pData = static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); pData->SetItemCheckState(m_pInterface, pItem, bChecked ? FWL_ITEMSTATE_LTB_Checked : 0); return TRUE; } FX_BOOL CFWL_ListBoxImp::ScrollToVisible(IFWL_ListItem* pItem) { if (!m_pVertScrollBar) return FALSE; CFX_RectF rtItem; IFWL_ListBoxDP* pData = static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); pData->GetItemRect(m_pInterface, pItem, rtItem); FX_BOOL bScroll = FALSE; FX_FLOAT fPosY = m_pVertScrollBar->GetPos(); rtItem.Offset(0, -fPosY + m_rtConent.top); if (rtItem.top < m_rtConent.top) { fPosY += rtItem.top - m_rtConent.top; bScroll = TRUE; } else if (rtItem.bottom() > m_rtConent.bottom()) { fPosY += rtItem.bottom() - m_rtConent.bottom(); bScroll = TRUE; } if (!bScroll) { return FALSE; } m_pVertScrollBar->SetPos(fPosY); m_pVertScrollBar->SetTrackPos(fPosY); Repaint(&m_rtClient); return TRUE; } void CFWL_ListBoxImp::DrawBkground(CFX_Graphics* pGraphics, IFWL_ThemeProvider* pTheme, const CFX_Matrix* pMatrix) { if (!pGraphics) return; if (!pTheme) return; CFWL_ThemeBackground param; param.m_pWidget = m_pInterface; param.m_iPart = CFWL_Part::Background; param.m_dwStates = 0; param.m_pGraphics = pGraphics; param.m_matrix.Concat(*pMatrix); param.m_rtPart = m_rtClient; if (IsShowScrollBar(FALSE) && IsShowScrollBar(TRUE)) { param.m_pData = &m_rtStatic; } if (!IsEnabled()) { param.m_dwStates = CFWL_PartState_Disabled; } pTheme->DrawBackground(¶m); } void CFWL_ListBoxImp::DrawItems(CFX_Graphics* pGraphics, IFWL_ThemeProvider* pTheme, const CFX_Matrix* pMatrix) { FX_FLOAT fPosX = 0.0f; if (m_pHorzScrollBar) { fPosX = m_pHorzScrollBar->GetPos(); } FX_FLOAT fPosY = 0.0f; if (m_pVertScrollBar) { fPosY = m_pVertScrollBar->GetPos(); } CFX_RectF rtView(m_rtConent); if (m_pHorzScrollBar) { rtView.height -= m_fScorllBarWidth; } if (m_pVertScrollBar) { rtView.width -= m_fScorllBarWidth; } FX_BOOL bMultiCol = m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_MultiColumn; IFWL_ListBoxDP* pData = static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); int32_t iCount = pData->CountItems(m_pInterface); for (int32_t i = 0; i < iCount; i++) { IFWL_ListItem* pItem = pData->GetItem(m_pInterface, i); if (!pItem) { continue; } CFX_RectF rtItem; pData->GetItemRect(m_pInterface, pItem, rtItem); rtItem.Offset(m_rtConent.left - fPosX, m_rtConent.top - fPosY); if (rtItem.bottom() < m_rtConent.top) { continue; } if (rtItem.top >= m_rtConent.bottom()) { break; } if (bMultiCol && rtItem.left > m_rtConent.right()) { break; } if (GetStylesEx() & FWL_STYLEEXT_LTB_OwnerDraw) { CFWL_EvtLtbDrawItem ev; ev.m_pSrcTarget = m_pInterface; ev.m_pGraphics = pGraphics; ev.m_matrix = *pMatrix; ev.m_index = i; ev.m_rect = rtItem; DispatchEvent(&ev); } else { DrawItem(pGraphics, pTheme, pItem, i, rtItem, pMatrix); } } } void CFWL_ListBoxImp::DrawItem(CFX_Graphics* pGraphics, IFWL_ThemeProvider* pTheme, IFWL_ListItem* pItem, int32_t Index, const CFX_RectF& rtItem, const CFX_Matrix* pMatrix) { IFWL_ListBoxDP* pData = static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); uint32_t dwItemStyles = pData->GetItemStyles(m_pInterface, pItem); uint32_t dwPartStates = CFWL_PartState_Normal; if (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) { dwPartStates = CFWL_PartState_Disabled; } else if (dwItemStyles & FWL_ITEMSTATE_LTB_Selected) { dwPartStates = CFWL_PartState_Selected; } if (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused && dwItemStyles & FWL_ITEMSTATE_LTB_Focused) { dwPartStates |= CFWL_PartState_Focused; } { CFWL_ThemeBackground param; param.m_pWidget = m_pInterface; param.m_iPart = CFWL_Part::ListItem; param.m_dwStates = dwPartStates; param.m_pGraphics = pGraphics; param.m_matrix.Concat(*pMatrix); param.m_rtPart = rtItem; param.m_bMaximize = true; CFX_RectF rtFocus(rtItem); param.m_pData = &rtFocus; if (m_pVertScrollBar && !m_pHorzScrollBar && (dwPartStates & CFWL_PartState_Focused)) { param.m_rtPart.left += 1; param.m_rtPart.width -= (m_fScorllBarWidth + 1); rtFocus.Deflate(0.5, 0.5, 1 + m_fScorllBarWidth, 1); } pTheme->DrawBackground(¶m); } { FX_BOOL bHasIcon = GetStylesEx() & FWL_STYLEEXT_LTB_Icon; if (bHasIcon) { CFX_RectF rtDIB; CFX_DIBitmap* pDib = pData->GetItemIcon(m_pInterface, pItem); rtDIB.Set(rtItem.left, rtItem.top, rtItem.height, rtItem.height); if (pDib) { CFWL_ThemeBackground param; param.m_pWidget = m_pInterface; param.m_iPart = CFWL_Part::Icon; param.m_pGraphics = pGraphics; param.m_matrix.Concat(*pMatrix); param.m_rtPart = rtDIB; param.m_bMaximize = true; param.m_pImage = pDib; pTheme->DrawBackground(¶m); } } FX_BOOL bHasCheck = GetStylesEx() & FWL_STYLEEXT_LTB_Check; if (bHasCheck) { CFX_RectF rtCheck; rtCheck.Set(rtItem.left, rtItem.top, rtItem.height, rtItem.height); rtCheck.Deflate(2, 2, 2, 2); pData->SetItemCheckRect(m_pInterface, pItem, rtCheck); CFWL_ThemeBackground param; param.m_pWidget = m_pInterface; param.m_iPart = CFWL_Part::Check; param.m_pGraphics = pGraphics; if (GetItemChecked(pItem)) { param.m_dwStates = CFWL_PartState_Checked; } else { param.m_dwStates = CFWL_PartState_Normal; } param.m_matrix.Concat(*pMatrix); param.m_rtPart = rtCheck; param.m_bMaximize = true; pTheme->DrawBackground(¶m); } CFX_WideString wsText; pData->GetItemText(m_pInterface, pItem, wsText); if (wsText.GetLength() <= 0) { return; } CFX_RectF rtText(rtItem); rtText.Deflate(kItemTextMargin, kItemTextMargin); if (bHasIcon || bHasCheck) { rtText.Deflate(rtItem.height, 0, 0, 0); } CFWL_ThemeText textParam; textParam.m_pWidget = m_pInterface; textParam.m_iPart = CFWL_Part::ListItem; textParam.m_dwStates = dwPartStates; textParam.m_pGraphics = pGraphics; textParam.m_matrix.Concat(*pMatrix); textParam.m_rtPart = rtText; textParam.m_wsText = wsText; textParam.m_dwTTOStyles = m_dwTTOStyles; textParam.m_iTTOAlign = m_iTTOAligns; textParam.m_bMaximize = true; pTheme->DrawText(&textParam); } } CFX_SizeF CFWL_ListBoxImp::CalcSize(FX_BOOL bAutoSize) { CFX_SizeF fs; if (!m_pProperties->m_pThemeProvider) return fs; GetClientRect(m_rtClient); m_rtConent = m_rtClient; CFX_RectF rtUIMargin; rtUIMargin.Set(0, 0, 0, 0); if (!m_pOuter) { CFX_RectF* pUIMargin = static_cast<CFX_RectF*>( GetThemeCapacity(CFWL_WidgetCapacity::UIMargin)); if (pUIMargin) { m_rtConent.Deflate(pUIMargin->left, pUIMargin->top, pUIMargin->width, pUIMargin->height); } } FX_FLOAT fWidth = 0; if (m_pProperties->m_pThemeProvider->IsCustomizedLayout(m_pInterface)) { IFWL_ListBoxDP* pData = static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); int32_t iCount = pData->CountItems(m_pInterface); for (int32_t i = 0; i < iCount; i++) { IFWL_ListItem* pItem = pData->GetItem(m_pInterface, i); CFWL_ThemePart itemPart; itemPart.m_pWidget = m_pInterface; itemPart.m_iPart = CFWL_Part::ListItem; itemPart.m_pData = m_pProperties->m_pDataProvider; itemPart.m_bMaximize = i > 0; CFX_RectF r; m_pProperties->m_pThemeProvider->GetPartRect(&itemPart, r); if (!bAutoSize) { CFX_RectF rtItem; rtItem.Set(m_rtClient.left, m_rtClient.top + fs.y, r.width, r.height); IFWL_ListBoxDP* pBox = static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); pBox->SetItemRect(m_pInterface, pItem, rtItem); } fs.y += r.height; if (fs.x < r.width) { fs.x = r.width; fWidth = r.width; } } } else { fWidth = GetMaxTextWidth(); fWidth += 2 * kItemTextMargin; if (!bAutoSize) { FX_FLOAT fActualWidth = m_rtClient.width - rtUIMargin.left - rtUIMargin.width; if (fWidth < fActualWidth) { fWidth = fActualWidth; } } IFWL_ListBoxDP* pData = static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); m_fItemHeight = GetItemHeigt(); FX_BOOL bHasIcon; bHasIcon = GetStylesEx() & FWL_STYLEEXT_LTB_Icon; if (bHasIcon) { fWidth += m_fItemHeight; } int32_t iCount = pData->CountItems(m_pInterface); for (int32_t i = 0; i < iCount; i++) { IFWL_ListItem* htem = pData->GetItem(m_pInterface, i); GetItemSize(fs, htem, fWidth, m_fItemHeight, bAutoSize); } } if (bAutoSize) { return fs; } FX_FLOAT iWidth = m_rtClient.width - rtUIMargin.left - rtUIMargin.width; FX_FLOAT iHeight = m_rtClient.height; FX_BOOL bShowVertScr = (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_ShowScrollBarAlaways) && (m_pProperties->m_dwStyles & FWL_WGTSTYLE_VScroll); FX_BOOL bShowHorzScr = (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_ShowScrollBarAlaways) && (m_pProperties->m_dwStyles & FWL_WGTSTYLE_HScroll); if (!bShowVertScr && m_pProperties->m_dwStyles & FWL_WGTSTYLE_VScroll && (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_MultiColumn) == 0) { bShowVertScr = (fs.y > iHeight); } if (!bShowHorzScr && m_pProperties->m_dwStyles & FWL_WGTSTYLE_HScroll) { bShowHorzScr = (fs.x > iWidth); } CFX_SizeF szRange; if (bShowVertScr) { if (!m_pVertScrollBar) { InitScrollBar(); } CFX_RectF rtScrollBar; rtScrollBar.Set(m_rtClient.right() - m_fScorllBarWidth, m_rtClient.top, m_fScorllBarWidth, m_rtClient.height - 1); if (bShowHorzScr) { rtScrollBar.height -= m_fScorllBarWidth; } m_pVertScrollBar->SetWidgetRect(rtScrollBar); szRange.x = 0, szRange.y = fs.y - m_rtConent.height; if (szRange.y < m_fItemHeight) { szRange.y = m_fItemHeight; } m_pVertScrollBar->SetRange(szRange.x, szRange.y); m_pVertScrollBar->SetPageSize(rtScrollBar.height * 9 / 10); m_pVertScrollBar->SetStepSize(m_fItemHeight); FX_FLOAT fPos = m_pVertScrollBar->GetPos(); if (fPos < 0) { fPos = 0; } if (fPos > szRange.y) { fPos = szRange.y; } m_pVertScrollBar->SetPos(fPos); m_pVertScrollBar->SetTrackPos(fPos); if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_ShowScrollBarFocus) == 0 || (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused)) { m_pVertScrollBar->SetStates(FWL_WGTSTATE_Invisible, FALSE); } m_pVertScrollBar->Update(); } else if (m_pVertScrollBar) { m_pVertScrollBar->SetPos(0); m_pVertScrollBar->SetTrackPos(0); m_pVertScrollBar->SetStates(FWL_WGTSTATE_Invisible, TRUE); } if (bShowHorzScr) { if (!m_pHorzScrollBar) { InitScrollBar(FALSE); } CFX_RectF rtScrollBar; rtScrollBar.Set(m_rtClient.left, m_rtClient.bottom() - m_fScorllBarWidth, m_rtClient.width, m_fScorllBarWidth); if (bShowVertScr) { rtScrollBar.width -= m_fScorllBarWidth; } m_pHorzScrollBar->SetWidgetRect(rtScrollBar); szRange.x = 0, szRange.y = fs.x - rtScrollBar.width; m_pHorzScrollBar->SetRange(szRange.x, szRange.y); m_pHorzScrollBar->SetPageSize(fWidth * 9 / 10); m_pHorzScrollBar->SetStepSize(fWidth / 10); FX_FLOAT fPos = m_pHorzScrollBar->GetPos(); if (fPos < 0) { fPos = 0; } if (fPos > szRange.y) { fPos = szRange.y; } m_pHorzScrollBar->SetPos(fPos); m_pHorzScrollBar->SetTrackPos(fPos); if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_ShowScrollBarFocus) == 0 || (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused)) { m_pHorzScrollBar->SetStates(FWL_WGTSTATE_Invisible, FALSE); } m_pHorzScrollBar->Update(); } else if (m_pHorzScrollBar) { m_pHorzScrollBar->SetPos(0); m_pHorzScrollBar->SetTrackPos(0); m_pHorzScrollBar->SetStates(FWL_WGTSTATE_Invisible, TRUE); } if (bShowVertScr && bShowHorzScr) { m_rtStatic.Set(m_rtClient.right() - m_fScorllBarWidth, m_rtClient.bottom() - m_fScorllBarWidth, m_fScorllBarWidth, m_fScorllBarWidth); } return fs; } void CFWL_ListBoxImp::GetItemSize(CFX_SizeF& size, IFWL_ListItem* pItem, FX_FLOAT fWidth, FX_FLOAT fItemHeight, FX_BOOL bAutoSize) { if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_MultiColumn) { } else { if (!bAutoSize) { CFX_RectF rtItem; rtItem.Set(0, size.y, fWidth, fItemHeight); IFWL_ListBoxDP* pData = static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); pData->SetItemRect(m_pInterface, pItem, rtItem); } size.x = fWidth; size.y += fItemHeight; } } FX_FLOAT CFWL_ListBoxImp::GetMaxTextWidth() { FX_FLOAT fRet = 0.0f; IFWL_ListBoxDP* pData = static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider); int32_t iCount = pData->CountItems(m_pInterface); for (int32_t i = 0; i < iCount; i++) { IFWL_ListItem* pItem = pData->GetItem(m_pInterface, i); if (!pItem) { continue; } CFX_WideString wsText; pData->GetItemText(m_pInterface, pItem, wsText); CFX_SizeF sz = CalcTextSize(wsText, m_pProperties->m_pThemeProvider); if (sz.x > fRet) { fRet = sz.x; } } return fRet; } FX_FLOAT CFWL_ListBoxImp::GetScrollWidth() { FX_FLOAT* pfWidth = static_cast<FX_FLOAT*>( GetThemeCapacity(CFWL_WidgetCapacity::ScrollBarWidth)); if (!pfWidth) return 0; return *pfWidth; } FX_FLOAT CFWL_ListBoxImp::GetItemHeigt() { FX_FLOAT* pfFont = static_cast<FX_FLOAT*>(GetThemeCapacity(CFWL_WidgetCapacity::FontSize)); if (!pfFont) return 20; return *pfFont + 2 * kItemTextMargin; } void CFWL_ListBoxImp::InitScrollBar(FX_BOOL bVert) { if ((bVert && m_pVertScrollBar) || (!bVert && m_pHorzScrollBar)) { return; } CFWL_WidgetImpProperties prop; prop.m_dwStyleExes = bVert ? FWL_STYLEEXT_SCB_Vert : FWL_STYLEEXT_SCB_Horz; prop.m_dwStates = FWL_WGTSTATE_Invisible; prop.m_pParent = m_pInterface; prop.m_pThemeProvider = m_pScrollBarTP; IFWL_ScrollBar* pScrollBar = IFWL_ScrollBar::Create(prop, m_pInterface); pScrollBar->Initialize(); (bVert ? &m_pVertScrollBar : &m_pHorzScrollBar)->reset(pScrollBar); } FX_BOOL CFWL_ListBoxImp::IsShowScrollBar(FX_BOOL bVert) { IFWL_ScrollBar* pScrollbar = bVert ? m_pVertScrollBar.get() : m_pHorzScrollBar.get(); if (!pScrollbar || (pScrollbar->GetStates() & FWL_WGTSTATE_Invisible)) { return FALSE; } return !(m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_ShowScrollBarFocus) || (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused); } void CFWL_ListBoxImp::ProcessSelChanged() { CFWL_EvtLtbSelChanged selEvent; selEvent.m_pSrcTarget = m_pInterface; CFX_Int32Array arrSels; int32_t iCount = CountSelItems(); for (int32_t i = 0; i < iCount; i++) { IFWL_ListItem* item = GetSelItem(i); if (!item) { continue; } selEvent.iarraySels.Add(i); } DispatchEvent(&selEvent); } CFWL_ListBoxImpDelegate::CFWL_ListBoxImpDelegate(CFWL_ListBoxImp* pOwner) : m_pOwner(pOwner) {} void CFWL_ListBoxImpDelegate::OnProcessMessage(CFWL_Message* pMessage) { if (!pMessage) return; if (!m_pOwner->IsEnabled()) return; CFWL_MessageType dwMsgCode = pMessage->GetClassID(); switch (dwMsgCode) { case CFWL_MessageType::SetFocus: { OnFocusChanged(pMessage, TRUE); break; } case CFWL_MessageType::KillFocus: { OnFocusChanged(pMessage, FALSE); break; } case CFWL_MessageType::Mouse: { CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage); switch (pMsg->m_dwCmd) { case FWL_MouseCommand::LeftButtonDown: { OnLButtonDown(pMsg); break; } case FWL_MouseCommand::LeftButtonUp: { OnLButtonUp(pMsg); break; } default: break; } break; } case CFWL_MessageType::MouseWheel: { OnMouseWheel(static_cast<CFWL_MsgMouseWheel*>(pMessage)); break; } case CFWL_MessageType::Key: { CFWL_MsgKey* pMsg = static_cast<CFWL_MsgKey*>(pMessage); if (pMsg->m_dwCmd == FWL_KeyCommand::KeyDown) OnKeyDown(pMsg); break; } default: { break; } } CFWL_WidgetImpDelegate::OnProcessMessage(pMessage); } void CFWL_ListBoxImpDelegate::OnProcessEvent(CFWL_Event* pEvent) { if (!pEvent) return; if (pEvent->GetClassID() != CFWL_EventType::Scroll) return; IFWL_Widget* pSrcTarget = pEvent->m_pSrcTarget; if ((pSrcTarget == m_pOwner->m_pVertScrollBar.get() && m_pOwner->m_pVertScrollBar) || (pSrcTarget == m_pOwner->m_pHorzScrollBar.get() && m_pOwner->m_pHorzScrollBar)) { CFWL_EvtScroll* pScrollEvent = static_cast<CFWL_EvtScroll*>(pEvent); OnScroll(static_cast<IFWL_ScrollBar*>(pSrcTarget), pScrollEvent->m_iScrollCode, pScrollEvent->m_fPos); } } void CFWL_ListBoxImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics, const CFX_Matrix* pMatrix) { m_pOwner->DrawWidget(pGraphics, pMatrix); } void CFWL_ListBoxImpDelegate::OnFocusChanged(CFWL_Message* pMsg, FX_BOOL bSet) { if (m_pOwner->GetStylesEx() & FWL_STYLEEXT_LTB_ShowScrollBarFocus) { if (m_pOwner->m_pVertScrollBar) { m_pOwner->m_pVertScrollBar->SetStates(FWL_WGTSTATE_Invisible, !bSet); } if (m_pOwner->m_pHorzScrollBar) { m_pOwner->m_pHorzScrollBar->SetStates(FWL_WGTSTATE_Invisible, !bSet); } } if (bSet) { m_pOwner->m_pProperties->m_dwStates |= (FWL_WGTSTATE_Focused); } else { m_pOwner->m_pProperties->m_dwStates &= ~(FWL_WGTSTATE_Focused); } m_pOwner->Repaint(&m_pOwner->m_rtClient); } void CFWL_ListBoxImpDelegate::OnLButtonDown(CFWL_MsgMouse* pMsg) { m_pOwner->m_bLButtonDown = TRUE; if ((m_pOwner->m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) == 0) { m_pOwner->SetFocus(TRUE); } IFWL_ListItem* pItem = m_pOwner->GetItemAtPoint(pMsg->m_fx, pMsg->m_fy); if (!pItem) { return; } if (m_pOwner->m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_MultiSelection) { if (pMsg->m_dwFlags & FWL_KEYFLAG_Ctrl) { FX_BOOL bSelected = m_pOwner->IsItemSelected(pItem); m_pOwner->SetSelectionDirect(pItem, !bSelected); m_pOwner->m_hAnchor = pItem; } else if (pMsg->m_dwFlags & FWL_KEYFLAG_Shift) { if (m_pOwner->m_hAnchor) { m_pOwner->SetSelection(m_pOwner->m_hAnchor, pItem, TRUE); } else { m_pOwner->SetSelectionDirect(pItem, TRUE); } } else { m_pOwner->SetSelection(pItem, pItem, TRUE); m_pOwner->m_hAnchor = pItem; } } else { m_pOwner->SetSelection(pItem, pItem, TRUE); } if (m_pOwner->m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_Check) { IFWL_ListItem* hSelectedItem = m_pOwner->GetItemAtPoint(pMsg->m_fx, pMsg->m_fy); CFX_RectF rtCheck; m_pOwner->GetItemCheckRect(hSelectedItem, rtCheck); FX_BOOL bChecked = m_pOwner->GetItemChecked(pItem); if (rtCheck.Contains(pMsg->m_fx, pMsg->m_fy)) { if (bChecked) { m_pOwner->SetItemChecked(pItem, FALSE); } else { m_pOwner->SetItemChecked(pItem, TRUE); } m_pOwner->Update(); } } m_pOwner->SetFocusItem(pItem); m_pOwner->ScrollToVisible(pItem); m_pOwner->SetGrab(TRUE); m_pOwner->ProcessSelChanged(); m_pOwner->Repaint(&m_pOwner->m_rtClient); } void CFWL_ListBoxImpDelegate::OnLButtonUp(CFWL_MsgMouse* pMsg) { if (m_pOwner->m_bLButtonDown) { m_pOwner->m_bLButtonDown = FALSE; m_pOwner->SetGrab(FALSE); DispatchSelChangedEv(); } } void CFWL_ListBoxImpDelegate::OnMouseWheel(CFWL_MsgMouseWheel* pMsg) { if (!m_pOwner->IsShowScrollBar(TRUE)) { return; } IFWL_WidgetDelegate* pDelegate = m_pOwner->m_pVertScrollBar->SetDelegate(nullptr); pDelegate->OnProcessMessage(pMsg); } void CFWL_ListBoxImpDelegate::OnKeyDown(CFWL_MsgKey* pMsg) { uint32_t dwKeyCode = pMsg->m_dwKeyCode; switch (dwKeyCode) { case FWL_VKEY_Tab: case FWL_VKEY_Up: case FWL_VKEY_Down: case FWL_VKEY_Home: case FWL_VKEY_End: { IFWL_ListItem* pItem = m_pOwner->GetFocusedItem(); pItem = m_pOwner->GetItem(pItem, dwKeyCode); FX_BOOL bShift = pMsg->m_dwFlags & FWL_KEYFLAG_Shift; FX_BOOL bCtrl = pMsg->m_dwFlags & FWL_KEYFLAG_Ctrl; OnVK(pItem, bShift, bCtrl); DispatchSelChangedEv(); m_pOwner->ProcessSelChanged(); break; } default: {} } } void CFWL_ListBoxImpDelegate::OnVK(IFWL_ListItem* pItem, FX_BOOL bShift, FX_BOOL bCtrl) { if (!pItem) { return; } if (m_pOwner->m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_MultiSelection) { if (bCtrl) { } else if (bShift) { if (m_pOwner->m_hAnchor) { m_pOwner->SetSelection(m_pOwner->m_hAnchor, pItem, TRUE); } else { m_pOwner->SetSelectionDirect(pItem, TRUE); } } else { m_pOwner->SetSelection(pItem, pItem, TRUE); m_pOwner->m_hAnchor = pItem; } } else { m_pOwner->SetSelection(pItem, pItem, TRUE); } m_pOwner->SetFocusItem(pItem); m_pOwner->ScrollToVisible(pItem); { CFX_RectF rtInvalidate; rtInvalidate.Set(0, 0, m_pOwner->m_pProperties->m_rtWidget.width, m_pOwner->m_pProperties->m_rtWidget.height); m_pOwner->Repaint(&rtInvalidate); } } FX_BOOL CFWL_ListBoxImpDelegate::OnScroll(IFWL_ScrollBar* pScrollBar, uint32_t dwCode, FX_FLOAT fPos) { CFX_SizeF fs; pScrollBar->GetRange(fs.x, fs.y); FX_FLOAT iCurPos = pScrollBar->GetPos(); FX_FLOAT fStep = pScrollBar->GetStepSize(); switch (dwCode) { case FWL_SCBCODE_Min: { fPos = fs.x; break; } case FWL_SCBCODE_Max: { fPos = fs.y; break; } case FWL_SCBCODE_StepBackward: { fPos -= fStep; if (fPos < fs.x + fStep / 2) { fPos = fs.x; } break; } case FWL_SCBCODE_StepForward: { fPos += fStep; if (fPos > fs.y - fStep / 2) { fPos = fs.y; } break; } case FWL_SCBCODE_PageBackward: { fPos -= pScrollBar->GetPageSize(); if (fPos < fs.x) { fPos = fs.x; } break; } case FWL_SCBCODE_PageForward: { fPos += pScrollBar->GetPageSize(); if (fPos > fs.y) { fPos = fs.y; } break; } case FWL_SCBCODE_Pos: case FWL_SCBCODE_TrackPos: break; case FWL_SCBCODE_EndScroll: return FALSE; } if (iCurPos != fPos) { pScrollBar->SetPos(fPos); pScrollBar->SetTrackPos(fPos); m_pOwner->Repaint(&m_pOwner->m_rtClient); } return TRUE; } void CFWL_ListBoxImpDelegate::DispatchSelChangedEv() { CFWL_EvtLtbSelChanged ev; ev.m_pSrcTarget = m_pOwner->m_pInterface; m_pOwner->DispatchEvent(&ev); }