// 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/src/fwl/src/basewidget/include/fwl_comboboximp.h" #include "xfa/include/fwl/core/fwl_theme.h" #include "xfa/src/foxitlib.h" #include "xfa/src/fwl/src/basewidget/include/fwl_editimp.h" #include "xfa/src/fwl/src/basewidget/include/fwl_formproxyimp.h" #include "xfa/src/fwl/src/basewidget/include/fwl_listboximp.h" #include "xfa/src/fwl/src/basewidget/include/fwl_scrollbarimp.h" #include "xfa/src/fwl/src/core/include/fwl_appimp.h" #include "xfa/src/fwl/src/core/include/fwl_formimp.h" #include "xfa/src/fwl/src/core/include/fwl_noteimp.h" #include "xfa/src/fwl/src/core/include/fwl_panelimp.h" #include "xfa/src/fwl/src/core/include/fwl_targetimp.h" #include "xfa/src/fwl/src/core/include/fwl_threadimp.h" #include "xfa/src/fwl/src/core/include/fwl_widgetimp.h" #include "xfa/src/fwl/src/core/include/fwl_widgetmgrimp.h" // static IFWL_ComboBox* IFWL_ComboBox::Create( const CFWL_WidgetImpProperties& properties) { IFWL_ComboBox* pComboBox = new IFWL_ComboBox; CFWL_ComboBoxImp* pComboBoxImpl = new CFWL_ComboBoxImp(properties, nullptr); pComboBox->SetImpl(pComboBoxImpl); pComboBoxImpl->SetInterface(pComboBox); return pComboBox; } IFWL_ComboBox::IFWL_ComboBox() {} int32_t IFWL_ComboBox::GetCurSel() { return static_cast(GetImpl())->GetCurSel(); } FWL_ERR IFWL_ComboBox::SetCurSel(int32_t iSel) { return static_cast(GetImpl())->SetCurSel(iSel); } FWL_ERR IFWL_ComboBox::SetEditText(const CFX_WideString& wsText) { return static_cast(GetImpl())->SetEditText(wsText); } int32_t IFWL_ComboBox::GetEditTextLength() const { return static_cast(GetImpl())->GetEditTextLength(); } FWL_ERR IFWL_ComboBox::GetEditText(CFX_WideString& wsText, int32_t nStart, int32_t nCount) const { return static_cast(GetImpl()) ->GetEditText(wsText, nStart, nCount); } FWL_ERR IFWL_ComboBox::SetEditSelRange(int32_t nStart, int32_t nCount) { return static_cast(GetImpl()) ->SetEditSelRange(nStart, nCount); } int32_t IFWL_ComboBox::GetEditSelRange(int32_t nIndex, int32_t& nStart) { return static_cast(GetImpl()) ->GetEditSelRange(nIndex, nStart); } int32_t IFWL_ComboBox::GetEditLimit() { return static_cast(GetImpl())->GetEditLimit(); } FWL_ERR IFWL_ComboBox::SetEditLimit(int32_t nLimit) { return static_cast(GetImpl())->SetEditLimit(nLimit); } FWL_ERR IFWL_ComboBox::EditDoClipboard(int32_t iCmd) { return static_cast(GetImpl())->EditDoClipboard(iCmd); } FX_BOOL IFWL_ComboBox::EditRedo(const CFX_ByteStringC& bsRecord) { return static_cast(GetImpl())->EditRedo(bsRecord); } FX_BOOL IFWL_ComboBox::EditUndo(const CFX_ByteStringC& bsRecord) { return static_cast(GetImpl())->EditUndo(bsRecord); } IFWL_ListBox* IFWL_ComboBox::GetListBoxt() { return static_cast(GetImpl())->GetListBoxt(); } FX_BOOL IFWL_ComboBox::AfterFocusShowDropList() { return static_cast(GetImpl())->AfterFocusShowDropList(); } FX_ERR IFWL_ComboBox::OpenDropDownList(FX_BOOL bActivate) { return static_cast(GetImpl())->OpenDropDownList(bActivate); } FX_BOOL IFWL_ComboBox::EditCanUndo() { return static_cast(GetImpl())->EditCanUndo(); } FX_BOOL IFWL_ComboBox::EditCanRedo() { return static_cast(GetImpl())->EditCanRedo(); } FX_BOOL IFWL_ComboBox::EditUndo() { return static_cast(GetImpl())->EditUndo(); } FX_BOOL IFWL_ComboBox::EditRedo() { return static_cast(GetImpl())->EditRedo(); } FX_BOOL IFWL_ComboBox::EditCanCopy() { return static_cast(GetImpl())->EditCanCopy(); } FX_BOOL IFWL_ComboBox::EditCanCut() { return static_cast(GetImpl())->EditCanCut(); } FX_BOOL IFWL_ComboBox::EditCanSelectAll() { return static_cast(GetImpl())->EditCanSelectAll(); } FX_BOOL IFWL_ComboBox::EditCopy(CFX_WideString& wsCopy) { return static_cast(GetImpl())->EditCopy(wsCopy); } FX_BOOL IFWL_ComboBox::EditCut(CFX_WideString& wsCut) { return static_cast(GetImpl())->EditCut(wsCut); } FX_BOOL IFWL_ComboBox::EditPaste(const CFX_WideString& wsPaste) { return static_cast(GetImpl())->EditPaste(wsPaste); } FX_BOOL IFWL_ComboBox::EditSelectAll() { return static_cast(GetImpl())->EditSelectAll(); } FX_BOOL IFWL_ComboBox::EditDelete() { return static_cast(GetImpl())->EditDelete(); } FX_BOOL IFWL_ComboBox::EditDeSelect() { return static_cast(GetImpl())->EditDeSelect(); } FWL_ERR IFWL_ComboBox::GetBBox(CFX_RectF& rect) { return static_cast(GetImpl())->GetBBox(rect); } FWL_ERR IFWL_ComboBox::EditModifyStylesEx(FX_DWORD dwStylesExAdded, FX_DWORD dwStylesExRemoved) { return static_cast(GetImpl()) ->EditModifyStylesEx(dwStylesExAdded, dwStylesExRemoved); } CFWL_ComboEditImp::CFWL_ComboEditImp(const CFWL_WidgetImpProperties& properties, IFWL_Widget* pOuter) : CFWL_EditImp(properties, pOuter) { m_pOuter = static_cast(pOuter->GetImpl()); } CFWL_ComboEditImpDelegate::CFWL_ComboEditImpDelegate(CFWL_ComboEditImp* pOwner) : CFWL_EditImpDelegate(pOwner), m_pOwner(pOwner) { } int32_t CFWL_ComboEditImpDelegate::OnProcessMessage(CFWL_Message* pMessage) { if (!pMessage) return 0; FX_DWORD dwMsgCode = pMessage->GetClassID(); FX_BOOL backDefault = TRUE; switch (dwMsgCode) { case FWL_MSGHASH_SetFocus: case FWL_MSGHASH_KillFocus: { if (dwMsgCode == FWL_MSGHASH_SetFocus) { m_pOwner->m_pProperties->m_dwStates |= FWL_WGTSTATE_Focused; } else { m_pOwner->m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Focused; } backDefault = FALSE; break; } case FWL_MSGHASH_Mouse: { CFWL_MsgMouse* pMsg = static_cast(pMessage); if ((pMsg->m_dwCmd == FWL_MSGMOUSECMD_LButtonDown) && ((m_pOwner->m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) == 0)) { m_pOwner->SetSelected(); m_pOwner->SetComboBoxFocus(TRUE); } break; } default: {} } if (!backDefault) { return 1; } return CFWL_EditImpDelegate::OnProcessMessage(pMessage); } void CFWL_ComboEditImp::ClearSelected() { ClearSelections(); Repaint(&m_rtClient); } void CFWL_ComboEditImp::SetSelected() { FlagFocus(TRUE); EndCaret(); AddSelRange(0); } void CFWL_ComboEditImp::EndCaret() { m_pEdtEngine->MoveCaretPos(MC_End); } void CFWL_ComboEditImp::FlagFocus(FX_BOOL bSet) { if (bSet) { m_pProperties->m_dwStates |= FWL_WGTSTATE_Focused; } else { m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Focused; ShowCaret(FALSE); } }; void CFWL_ComboEditImp::SetComboBoxFocus(FX_BOOL bSet) { m_pOuter->SetFocus(bSet); } CFWL_ComboListImp::CFWL_ComboListImp(const CFWL_WidgetImpProperties& properties, IFWL_Widget* pOuter) : CFWL_ListBoxImp(properties, pOuter), m_bNotifyOwner(TRUE) { FXSYS_assert(pOuter != NULL); } FWL_ERR CFWL_ComboListImp::Initialize() { if (CFWL_ListBoxImp::Initialize() != FWL_ERR_Succeeded) return FWL_ERR_Indefinite; delete m_pDelegate; m_pDelegate = new CFWL_ComboListImpDelegate(this); return FWL_ERR_Succeeded; } FWL_ERR CFWL_ComboListImp::Finalize() { delete m_pDelegate; m_pDelegate = nullptr; return CFWL_ListBoxImp::Finalize(); } int32_t CFWL_ComboListImp::MatchItem(const CFX_WideString& wsMatch) { if (wsMatch.IsEmpty()) { return -1; } if (!m_pProperties->m_pDataProvider) return -1; IFWL_ListBoxDP* pData = static_cast(m_pProperties->m_pDataProvider); int32_t iCount = pData->CountItems(m_pInterface); for (int32_t i = 0; i < iCount; i++) { FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, i); CFX_WideString wsText; pData->GetItemText(m_pInterface, hItem, wsText); FX_STRSIZE pos = wsText.Find(wsMatch.c_str()); if (!pos) { return i; } } return -1; } void CFWL_ComboListImp::ChangeSelected(int32_t iSel) { if (!m_pProperties->m_pDataProvider) return; IFWL_ListBoxDP* pData = static_cast(m_pProperties->m_pDataProvider); FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, iSel); CFX_RectF rtInvalidate; rtInvalidate.Reset(); FWL_HLISTITEM hOld = GetSelItem(0); int32_t iOld = pData->GetItemIndex(m_pInterface, hOld); if (iOld == iSel) { return; } else if (iOld > -1) { GetItemRect(iOld, rtInvalidate); SetSelItem(hOld, FALSE); } if (hItem) { CFX_RectF rect; GetItemRect(iSel, rect); rtInvalidate.Union(rect); FWL_HLISTITEM hSel = pData->GetItem(m_pInterface, iSel); SetSelItem(hSel, TRUE); } if (!rtInvalidate.IsEmpty()) { Repaint(&rtInvalidate); } } int32_t CFWL_ComboListImp::CountItems() { IFWL_ListBoxDP* pData = static_cast(m_pProperties->m_pDataProvider); return pData ? pData->CountItems(m_pInterface) : 0; } void CFWL_ComboListImp::GetItemRect(int32_t nIndex, CFX_RectF& rtItem) { IFWL_ListBoxDP* pData = static_cast(m_pProperties->m_pDataProvider); FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, nIndex); pData->GetItemRect(m_pInterface, hItem, rtItem); } void CFWL_ComboListImp::ClientToOuter(FX_FLOAT& fx, FX_FLOAT& fy) { fx += m_pProperties->m_rtWidget.left, fy += m_pProperties->m_rtWidget.top; IFWL_Widget* pOwner = GetOwner(); if (!pOwner) return; pOwner->TransformTo(m_pOuter, fx, fy); } void CFWL_ComboListImp::SetFocus(FX_BOOL bSet) { CFWL_WidgetImp::SetFocus(bSet); } CFWL_ComboListImpDelegate::CFWL_ComboListImpDelegate(CFWL_ComboListImp* pOwner) : CFWL_ListBoxImpDelegate(pOwner), m_pOwner(pOwner) { } int32_t CFWL_ComboListImpDelegate::OnProcessMessage(CFWL_Message* pMessage) { if (!pMessage) return 0; FX_DWORD dwHashCode = pMessage->GetClassID(); FX_BOOL backDefault = TRUE; if (dwHashCode == FWL_MSGHASH_SetFocus || dwHashCode == FWL_MSGHASH_KillFocus) { OnDropListFocusChanged(pMessage, dwHashCode == FWL_MSGHASH_SetFocus); } else if (dwHashCode == FWL_MSGHASH_Mouse) { CFWL_MsgMouse* pMsg = static_cast(pMessage); if (m_pOwner->IsShowScrollBar(TRUE) && m_pOwner->m_pVertScrollBar) { CFX_RectF rect; m_pOwner->m_pVertScrollBar->GetWidgetRect(rect); if (rect.Contains(pMsg->m_fx, pMsg->m_fy)) { pMsg->m_fx -= rect.left; pMsg->m_fy -= rect.top; IFWL_WidgetDelegate* pDelegate = m_pOwner->m_pVertScrollBar->SetDelegate(NULL); return pDelegate->OnProcessMessage(pMsg); } } FX_DWORD dwCmd = pMsg->m_dwCmd; switch (dwCmd) { case FWL_MSGMOUSECMD_MouseMove: { backDefault = FALSE; OnDropListMouseMove(pMsg); break; } case FWL_MSGMOUSECMD_LButtonDown: { backDefault = FALSE; OnDropListLButtonDown(pMsg); break; } case FWL_MSGMOUSECMD_LButtonUp: { backDefault = FALSE; OnDropListLButtonUp(pMsg); break; } default: {} } } else if (dwHashCode == FWL_MSGHASH_Key) { backDefault = !OnDropListKey(static_cast(pMessage)); } if (!backDefault) { return 1; } return CFWL_ListBoxImpDelegate::OnProcessMessage(pMessage); } void CFWL_ComboListImpDelegate::OnDropListFocusChanged(CFWL_Message* pMsg, FX_BOOL bSet) { if (!bSet) { CFWL_MsgKillFocus* pKill = static_cast(pMsg); CFWL_ComboBoxImp* pOuter = static_cast(m_pOwner->m_pOuter->GetImpl()); if (pKill->m_pSetFocus == m_pOwner->m_pOuter || pKill->m_pSetFocus == pOuter->m_pEdit.get()) { pOuter->ShowDropList(FALSE); } } } int32_t CFWL_ComboListImpDelegate::OnDropListMouseMove(CFWL_MsgMouse* pMsg) { if (m_pOwner->m_rtClient.Contains(pMsg->m_fx, pMsg->m_fy)) { if (m_pOwner->m_bNotifyOwner) { m_pOwner->m_bNotifyOwner = FALSE; } if (m_pOwner->IsShowScrollBar(TRUE) && m_pOwner->m_pVertScrollBar) { CFX_RectF rect; m_pOwner->m_pVertScrollBar->GetWidgetRect(rect); if (rect.Contains(pMsg->m_fx, pMsg->m_fy)) { return 1; } } FWL_HLISTITEM hItem = m_pOwner->GetItemAtPoint(pMsg->m_fx, pMsg->m_fy); if (hItem) { if (!m_pOwner->m_pProperties->m_pDataProvider) return 0; IFWL_ListBoxDP* pData = static_cast( m_pOwner->m_pProperties->m_pDataProvider); int32_t iSel = pData->GetItemIndex(m_pOwner->m_pInterface, hItem); CFWL_EvtCmbHoverChanged event; event.m_pSrcTarget = m_pOwner->m_pOuter; event.m_iCurHover = iSel; m_pOwner->DispatchEvent(&event); m_pOwner->ChangeSelected(iSel); } } else if (m_pOwner->m_bNotifyOwner) { m_pOwner->ClientToOuter(pMsg->m_fx, pMsg->m_fy); CFWL_ComboBoxImp* pOuter = static_cast(m_pOwner->m_pOuter->GetImpl()); pOuter->m_pDelegate->OnProcessMessage(pMsg); } return 1; } int32_t CFWL_ComboListImpDelegate::OnDropListLButtonDown(CFWL_MsgMouse* pMsg) { if (m_pOwner->m_rtClient.Contains(pMsg->m_fx, pMsg->m_fy)) { return 0; } CFWL_ComboBoxImp* pOuter = static_cast(m_pOwner->m_pOuter->GetImpl()); pOuter->ShowDropList(FALSE); return 1; } int32_t CFWL_ComboListImpDelegate::OnDropListLButtonUp(CFWL_MsgMouse* pMsg) { CFWL_ComboBoxImp* pOuter = static_cast(m_pOwner->m_pOuter->GetImpl()); if (m_pOwner->m_bNotifyOwner) { m_pOwner->ClientToOuter(pMsg->m_fx, pMsg->m_fy); pOuter->m_pDelegate->OnProcessMessage(pMsg); } else { if (m_pOwner->IsShowScrollBar(TRUE) && m_pOwner->m_pVertScrollBar) { CFX_RectF rect; m_pOwner->m_pVertScrollBar->GetWidgetRect(rect); if (rect.Contains(pMsg->m_fx, pMsg->m_fy)) { return 1; } } pOuter->ShowDropList(FALSE); FWL_HLISTITEM hItem = m_pOwner->GetItemAtPoint(pMsg->m_fx, pMsg->m_fy); if (hItem) { pOuter->ProcessSelChanged(TRUE); } } return 1; } int32_t CFWL_ComboListImpDelegate::OnDropListKey(CFWL_MsgKey* pKey) { CFWL_ComboBoxImp* pOuter = static_cast(m_pOwner->m_pOuter->GetImpl()); FX_BOOL bPropagate = FALSE; if (pKey->m_dwCmd == FWL_MSGKEYCMD_KeyDown) { FX_DWORD dwKeyCode = pKey->m_dwKeyCode; switch (dwKeyCode) { case FWL_VKEY_Return: case FWL_VKEY_Escape: { pOuter->ShowDropList(FALSE); return 1; } case FWL_VKEY_Up: case FWL_VKEY_Down: { OnDropListKeyDown(pKey); pOuter->SetDelegate(nullptr); pOuter->ProcessSelChanged(FALSE); return 1; } default: { bPropagate = TRUE; } } } else if (pKey->m_dwCmd == FWL_MSGKEYCMD_Char) { bPropagate = TRUE; } if (bPropagate) { pKey->m_pDstTarget = m_pOwner->m_pOuter; pOuter->m_pDelegate->OnProcessMessage(pKey); return 1; } return 0; } void CFWL_ComboListImpDelegate::OnDropListKeyDown(CFWL_MsgKey* pKey) { FX_DWORD dwKeyCode = pKey->m_dwKeyCode; switch (dwKeyCode) { case FWL_VKEY_Up: case FWL_VKEY_Down: case FWL_VKEY_Home: case FWL_VKEY_End: { CFWL_ComboBoxImp* pOuter = static_cast(m_pOwner->m_pOuter->GetImpl()); IFWL_ListBoxDP* pData = static_cast( m_pOwner->m_pProperties->m_pDataProvider); FWL_HLISTITEM hItem = pData->GetItem(m_pOwner->m_pInterface, pOuter->m_iCurSel); hItem = m_pOwner->GetItem(hItem, dwKeyCode); if (!hItem) { break; } m_pOwner->SetSelection(hItem, hItem, TRUE); m_pOwner->ScrollToVisible(hItem); 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); break; } default: {} } } CFWL_ComboBoxImp::CFWL_ComboBoxImp(const CFWL_WidgetImpProperties& properties, IFWL_Widget* pOuter) : CFWL_WidgetImp(properties, pOuter), m_pForm(NULL), m_bLButtonDown(FALSE), m_iCurSel(-1), m_iBtnState(FWL_PARTSTATE_CMB_Normal), m_fComboFormHandler(0), m_bNeedShowList(FALSE) { m_rtClient.Reset(); m_rtBtn.Reset(); m_rtHandler.Reset(); } CFWL_ComboBoxImp::~CFWL_ComboBoxImp() { } FWL_ERR CFWL_ComboBoxImp::GetClassName(CFX_WideString& wsClass) const { wsClass = FWL_CLASS_ComboBox; return FWL_ERR_Succeeded; } FX_DWORD CFWL_ComboBoxImp::GetClassID() const { return FWL_CLASSHASH_ComboBox; } FWL_ERR CFWL_ComboBoxImp::Initialize() { if (m_pWidgetMgr->IsFormDisabled()) { return DisForm_Initialize(); } if (CFWL_WidgetImp::Initialize() != FWL_ERR_Succeeded) return FWL_WGTSTATE_Invisible; // Probably a bug; not a FWL_ERR_ value. m_pDelegate = new CFWL_ComboBoxImpDelegate(this); CFWL_WidgetImpProperties prop; prop.m_pThemeProvider = m_pProperties->m_pThemeProvider; prop.m_dwStyles |= FWL_WGTSTYLE_Border | FWL_WGTSTYLE_VScroll; if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_ListItemIconText) { prop.m_dwStyleExes |= FWL_STYLEEXT_LTB_Icon; } prop.m_pDataProvider = m_pProperties->m_pDataProvider; m_pListBox.reset(IFWL_ListBox::CreateComboList(prop, m_pInterface)); m_pListBox->Initialize(); if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_DropDown) && !m_pEdit) { CFWL_WidgetImpProperties prop2; m_pEdit.reset(IFWL_Edit::CreateComboEdit(prop2, m_pInterface)); m_pEdit->Initialize(); static_cast(m_pEdit->GetImpl())->SetOuter(m_pInterface); } if (m_pEdit) { m_pEdit->SetParent(m_pInterface); } SetStates(m_pProperties->m_dwStates); return FWL_ERR_Succeeded; } FWL_ERR CFWL_ComboBoxImp::Finalize() { if (m_pEdit) { m_pEdit->Finalize(); } m_pListBox->Finalize(); delete m_pDelegate; m_pDelegate = nullptr; return CFWL_WidgetImp::Finalize(); } FWL_ERR CFWL_ComboBoxImp::GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize) { if (bAutoSize) { rect.Reset(); FX_BOOL bIsDropDown = IsDropDownStyle(); if (bIsDropDown && m_pEdit) { m_pEdit->GetWidgetRect(rect, TRUE); } else { rect.width = 100; rect.height = 16; } if (!m_pProperties->m_pThemeProvider) { ReSetTheme(); } FX_FLOAT* pFWidth = static_cast( GetThemeCapacity(FWL_WGTCAPACITY_ScrollBarWidth)); if (!pFWidth) return FWL_ERR_Indefinite; rect.Inflate(0, 0, *pFWidth, 0); CFWL_WidgetImp::GetWidgetRect(rect, TRUE); } else { rect = m_pProperties->m_rtWidget; } return FWL_ERR_Succeeded; } FWL_ERR CFWL_ComboBoxImp::ModifyStylesEx(FX_DWORD dwStylesExAdded, FX_DWORD dwStylesExRemoved) { if (m_pWidgetMgr->IsFormDisabled()) { return DisForm_ModifyStylesEx(dwStylesExAdded, dwStylesExRemoved); } FX_BOOL bAddDropDown = dwStylesExAdded & FWL_STYLEEXT_CMB_DropDown; FX_BOOL bRemoveDropDown = dwStylesExRemoved & FWL_STYLEEXT_CMB_DropDown; if (bAddDropDown && !m_pEdit) { CFWL_WidgetImpProperties prop; m_pEdit.reset(IFWL_Edit::CreateComboEdit(prop, nullptr)); m_pEdit->Initialize(); static_cast(m_pEdit->GetImpl())->SetOuter(m_pInterface); m_pEdit->SetParent(m_pInterface); } else if (bRemoveDropDown && m_pEdit) { m_pEdit->SetStates(FWL_WGTSTATE_Invisible, TRUE); } return CFWL_WidgetImp::ModifyStylesEx(dwStylesExAdded, dwStylesExRemoved); } FWL_ERR CFWL_ComboBoxImp::Update() { if (m_pWidgetMgr->IsFormDisabled()) { return DisForm_Update(); } if (IsLocked()) { return FWL_ERR_Indefinite; } ReSetTheme(); FX_BOOL bDropDown = IsDropDownStyle(); if (bDropDown && m_pEdit) { ReSetEditAlignment(); } if (m_pProperties->m_pThemeProvider == NULL) { m_pProperties->m_pThemeProvider = GetAvailableTheme(); } Layout(); CFWL_ThemePart part; part.m_pWidget = m_pInterface; m_fComboFormHandler = *static_cast(m_pProperties->m_pThemeProvider->GetCapacity( &part, FWL_WGTCAPACITY_CMB_ComboFormHandler)); return FWL_ERR_Succeeded; } FX_DWORD CFWL_ComboBoxImp::HitTest(FX_FLOAT fx, FX_FLOAT fy) { if (m_pWidgetMgr->IsFormDisabled()) { return DisForm_HitTest(fx, fy); } return CFWL_WidgetImp::HitTest(fx, fy); } FWL_ERR CFWL_ComboBoxImp::DrawWidget(CFX_Graphics* pGraphics, const CFX_Matrix* pMatrix) { if (m_pWidgetMgr->IsFormDisabled()) { return DisForm_DrawWidget(pGraphics, pMatrix); } if (!pGraphics) return FWL_ERR_Indefinite; if (!m_pProperties->m_pThemeProvider) return FWL_ERR_Indefinite; IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider; FX_BOOL bIsDropDown = IsDropDownStyle(); if (HasBorder()) { DrawBorder(pGraphics, FWL_PART_CMB_Border, pTheme, pMatrix); } if (HasEdge()) { DrawEdge(pGraphics, FWL_PART_CMB_Edge, pTheme, pMatrix); } if (!bIsDropDown) { CFX_RectF rtTextBk(m_rtClient); rtTextBk.width -= m_rtBtn.width; CFWL_ThemeBackground param; param.m_pWidget = m_pInterface; param.m_iPart = FWL_PART_CMB_Background; param.m_pGraphics = pGraphics; if (pMatrix) { param.m_matrix.Concat(*pMatrix); } param.m_rtPart = rtTextBk; if (m_iCurSel >= 0) { IFWL_ListBoxDP* pData = static_cast( static_cast(m_pListBox->GetImpl()) ->m_pProperties->m_pDataProvider); void* p = pData->GetItemData(m_pListBox.get(), pData->GetItem(m_pListBox.get(), m_iCurSel)); if (p != NULL) { param.m_pData = p; } } if (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) { param.m_dwStates = FWL_PARTSTATE_CMB_Disabled; } else if ((m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) && (m_iCurSel >= 0)) { param.m_dwStates = FWL_PARTSTATE_CMB_Selected; } else { param.m_dwStates = FWL_PARTSTATE_CMB_Normal; } pTheme->DrawBackground(¶m); if (m_iCurSel >= 0) { if (!m_pListBox) return FWL_ERR_Indefinite; CFX_WideString wsText; IFWL_ComboBoxDP* pData = static_cast(m_pProperties->m_pDataProvider); FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, m_iCurSel); static_cast(m_pListBox->GetImpl()) ->GetItemText(hItem, wsText); CFWL_ThemeText param; param.m_pWidget = m_pInterface; param.m_iPart = FWL_PART_CMB_Caption; param.m_dwStates = m_iBtnState; param.m_pGraphics = pGraphics; param.m_matrix.Concat(*pMatrix); param.m_rtPart = rtTextBk; param.m_dwStates = (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) ? FWL_PARTSTATE_CMB_Selected : FWL_PARTSTATE_CMB_Normal; param.m_wsText = wsText; param.m_dwTTOStyles = FDE_TTOSTYLE_SingleLine; param.m_iTTOAlign = FDE_TTOALIGNMENT_CenterLeft; pTheme->DrawText(¶m); } } { CFWL_ThemeBackground param; param.m_pWidget = m_pInterface; param.m_iPart = FWL_PART_CMB_DropDownButton; param.m_dwStates = (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) ? FWL_PARTSTATE_CMB_Disabled : m_iBtnState; param.m_pGraphics = pGraphics; param.m_matrix.Concat(*pMatrix); param.m_rtPart = m_rtBtn; pTheme->DrawBackground(¶m); } return FWL_ERR_Succeeded; } FWL_ERR CFWL_ComboBoxImp::SetThemeProvider(IFWL_ThemeProvider* pThemeProvider) { if (!pThemeProvider) return FWL_ERR_Indefinite; m_pProperties->m_pThemeProvider = pThemeProvider; if (m_pListBox && pThemeProvider->IsValidWidget(m_pListBox.get())) { m_pListBox->SetThemeProvider(pThemeProvider); } if (m_pEdit && pThemeProvider->IsValidWidget(m_pEdit.get())) { m_pEdit->SetThemeProvider(pThemeProvider); } return FWL_ERR_Succeeded; } int32_t CFWL_ComboBoxImp::GetCurSel() { return m_iCurSel; } FWL_ERR CFWL_ComboBoxImp::SetCurSel(int32_t iSel) { int32_t iCount = static_cast(m_pListBox->GetImpl())->CountItems(); FX_BOOL bClearSel = iSel < 0 || iSel >= iCount; FX_BOOL bDropDown = IsDropDownStyle(); if (bDropDown && m_pEdit) { if (bClearSel) { m_pEdit->SetText(CFX_WideString()); } else { CFX_WideString wsText; IFWL_ComboBoxDP* pData = static_cast(m_pProperties->m_pDataProvider); FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, iSel); static_cast(m_pListBox->GetImpl()) ->GetItemText(hItem, wsText); m_pEdit->SetText(wsText); } m_pEdit->Update(); } m_iCurSel = bClearSel ? -1 : iSel; return FWL_ERR_Succeeded; } FWL_ERR CFWL_ComboBoxImp::SetStates(FX_DWORD dwStates, FX_BOOL bSet) { FX_BOOL bIsDropDown = IsDropDownStyle(); if (bIsDropDown && m_pEdit) { m_pEdit->SetStates(dwStates, bSet); } if (m_pListBox) { m_pListBox->SetStates(dwStates, bSet); } return CFWL_WidgetImp::SetStates(dwStates, bSet); } FWL_ERR CFWL_ComboBoxImp::SetEditText(const CFX_WideString& wsText) { if (!m_pEdit) return FWL_ERR_Indefinite; m_pEdit->SetText(wsText); return m_pEdit->Update(); } int32_t CFWL_ComboBoxImp::GetEditTextLength() const { if (!m_pEdit) return -1; return m_pEdit->GetTextLength(); } FWL_ERR CFWL_ComboBoxImp::GetEditText(CFX_WideString& wsText, int32_t nStart, int32_t nCount) const { if (m_pEdit) { return m_pEdit->GetText(wsText, nStart, nCount); } else if (m_pListBox) { IFWL_ComboBoxDP* pData = static_cast(m_pProperties->m_pDataProvider); FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, m_iCurSel); return m_pListBox->GetItemText(hItem, wsText); } return FWL_ERR_Indefinite; } FWL_ERR CFWL_ComboBoxImp::SetEditSelRange(int32_t nStart, int32_t nCount) { if (!m_pEdit) return FWL_ERR_Indefinite; static_cast(m_pEdit->GetImpl())->ClearSelected(); m_pEdit->AddSelRange(nStart, nCount); return FWL_ERR_Succeeded; } int32_t CFWL_ComboBoxImp::GetEditSelRange(int32_t nIndex, int32_t& nStart) { if (!m_pEdit) return -1; return m_pEdit->GetSelRange(nIndex, nStart); } int32_t CFWL_ComboBoxImp::GetEditLimit() { if (!m_pEdit) return -1; return m_pEdit->GetLimit(); } FWL_ERR CFWL_ComboBoxImp::SetEditLimit(int32_t nLimit) { if (!m_pEdit) return FWL_ERR_Indefinite; return m_pEdit->SetLimit(nLimit); } FWL_ERR CFWL_ComboBoxImp::EditDoClipboard(int32_t iCmd) { if (!m_pEdit) return FWL_ERR_Indefinite; return m_pEdit->DoClipboard(iCmd); } FX_BOOL CFWL_ComboBoxImp::EditRedo(const CFX_ByteStringC& bsRecord) { if (!m_pEdit) return FALSE; return m_pEdit->Redo(bsRecord); } FX_BOOL CFWL_ComboBoxImp::EditUndo(const CFX_ByteStringC& bsRecord) { if (!m_pEdit) return FALSE; return m_pEdit->Undo(bsRecord); } IFWL_ListBox* CFWL_ComboBoxImp::GetListBoxt() { return m_pListBox.get(); } FX_BOOL CFWL_ComboBoxImp::AfterFocusShowDropList() { if (!m_bNeedShowList) { return FALSE; } if (m_pEdit) { MatchEditText(); } ShowDropList(TRUE); m_bNeedShowList = FALSE; return TRUE; } FX_ERR CFWL_ComboBoxImp::OpenDropDownList(FX_BOOL bActivate) { ShowDropList(bActivate); return FWL_ERR_Succeeded; } FX_BOOL CFWL_ComboBoxImp::EditCanUndo() { return m_pEdit->CanUndo(); } FX_BOOL CFWL_ComboBoxImp::EditCanRedo() { return m_pEdit->CanRedo(); } FX_BOOL CFWL_ComboBoxImp::EditUndo() { return m_pEdit->Undo(); } FX_BOOL CFWL_ComboBoxImp::EditRedo() { return m_pEdit->Redo(); } FX_BOOL CFWL_ComboBoxImp::EditCanCopy() { return m_pEdit->CountSelRanges() > 0; } FX_BOOL CFWL_ComboBoxImp::EditCanCut() { if (m_pEdit->GetStylesEx() & FWL_STYLEEXT_EDT_ReadOnly) { return FALSE; } return m_pEdit->CountSelRanges() > 0; } FX_BOOL CFWL_ComboBoxImp::EditCanSelectAll() { return m_pEdit->GetTextLength() > 0; } FX_BOOL CFWL_ComboBoxImp::EditCopy(CFX_WideString& wsCopy) { return m_pEdit->Copy(wsCopy); } FX_BOOL CFWL_ComboBoxImp::EditCut(CFX_WideString& wsCut) { return m_pEdit->Cut(wsCut); } FX_BOOL CFWL_ComboBoxImp::EditPaste(const CFX_WideString& wsPaste) { return m_pEdit->Paste(wsPaste); } FX_BOOL CFWL_ComboBoxImp::EditSelectAll() { return m_pEdit->AddSelRange(0) == FWL_ERR_Succeeded; } FX_BOOL CFWL_ComboBoxImp::EditDelete() { return m_pEdit->ClearText() == FWL_ERR_Succeeded; } FX_BOOL CFWL_ComboBoxImp::EditDeSelect() { return m_pEdit->ClearSelections() == FWL_ERR_Succeeded; } FWL_ERR CFWL_ComboBoxImp::GetBBox(CFX_RectF& rect) { if (m_pWidgetMgr->IsFormDisabled()) { return DisForm_GetBBox(rect); } rect = m_pProperties->m_rtWidget; if (m_pListBox && IsDropListShowed()) { CFX_RectF rtList; m_pListBox->GetWidgetRect(rtList); rtList.Offset(rect.left, rect.top); rect.Union(rtList); } return FWL_ERR_Succeeded; } FWL_ERR CFWL_ComboBoxImp::EditModifyStylesEx(FX_DWORD dwStylesExAdded, FX_DWORD dwStylesExRemoved) { if (m_pEdit != NULL) { return m_pEdit->ModifyStylesEx(dwStylesExAdded, dwStylesExRemoved); } else { return FWL_ERR_Parameter_Invalid; } } FX_FLOAT CFWL_ComboBoxImp::GetListHeight() { return static_cast(m_pProperties->m_pDataProvider) ->GetListHeight(m_pInterface); } void CFWL_ComboBoxImp::DrawStretchHandler(CFX_Graphics* pGraphics, const CFX_Matrix* pMatrix) { CFWL_ThemeBackground param; param.m_pGraphics = pGraphics; param.m_iPart = FWL_PART_CMB_StretcgHandler; param.m_dwStates = FWL_PARTSTATE_CMB_Normal; param.m_pWidget = m_pInterface; if (pMatrix) { param.m_matrix.Concat(*pMatrix); } param.m_rtPart = m_rtHandler; m_pProperties->m_pThemeProvider->DrawBackground(¶m); } void CFWL_ComboBoxImp::ShowDropList(FX_BOOL bActivate) { if (m_pWidgetMgr->IsFormDisabled()) { return DisForm_ShowDropList(bActivate); } FX_BOOL bDropList = IsDropListShowed(); if (bDropList == bActivate) { return; } if (!m_pForm) { InitProxyForm(); } m_pListProxyDelegate->Reset(); if (bActivate) { static_cast(m_pListBox->GetImpl()) ->ChangeSelected(m_iCurSel); ReSetListItemAlignment(); FX_DWORD dwStyleAdd = m_pProperties->m_dwStyleExes & (FWL_STYLEEXT_CMB_Sort | FWL_STYLEEXT_CMB_OwnerDraw); m_pListBox->ModifyStylesEx(dwStyleAdd, 0); m_pListBox->GetWidgetRect(m_rtList, TRUE); FX_FLOAT fHeight = GetListHeight(); if (fHeight > 0) { if (m_rtList.height > GetListHeight()) { m_rtList.height = GetListHeight(); m_pListBox->ModifyStyles(FWL_WGTSTYLE_VScroll, 0); } } CFX_RectF rtAnchor; rtAnchor.Set(0, 0, m_pProperties->m_rtWidget.width, m_pProperties->m_rtWidget.height); FX_FLOAT fMinHeight = 0; if (m_rtList.width < m_rtClient.width) { m_rtList.width = m_rtClient.width; } m_rtProxy = m_rtList; if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_ListDrag) { m_rtProxy.height += m_fComboFormHandler; } GetPopupPos(fMinHeight, m_rtProxy.height, rtAnchor, m_rtProxy); if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_ListDrag) { FX_FLOAT fx = 0; FX_FLOAT fy = m_rtClient.top + m_rtClient.height / 2; TransformTo(NULL, fx, fy); m_bUpFormHandler = fy > m_rtProxy.top; if (m_bUpFormHandler) { m_rtHandler.Set(0, 0, m_rtList.width, m_fComboFormHandler); m_rtList.top = m_fComboFormHandler; } else { m_rtHandler.Set(0, m_rtList.height, m_rtList.width, m_fComboFormHandler); } } m_pForm->SetWidgetRect(m_rtProxy); m_pForm->Update(); m_pListBox->SetWidgetRect(m_rtList); m_pListBox->Update(); CFWL_EvtCmbPreDropDown ev; ev.m_pSrcTarget = m_pInterface; DispatchEvent(&ev); m_fItemHeight = static_cast(m_pListBox->GetImpl())->m_fItemHeight; static_cast(m_pListBox->GetImpl())->SetFocus(TRUE); m_pForm->DoModal(); static_cast(m_pListBox->GetImpl())->SetFocus(FALSE); } else { m_pForm->EndDoModal(); CFWL_EvtCmbCloseUp ev; ev.m_pSrcTarget = m_pInterface; DispatchEvent(&ev); m_bLButtonDown = FALSE; static_cast(m_pListBox->GetImpl())->m_bNotifyOwner = TRUE; SetFocus(TRUE); } } FX_BOOL CFWL_ComboBoxImp::IsDropListShowed() { return m_pForm && !(m_pForm->GetStates() & FWL_WGTSTATE_Invisible); } FX_BOOL CFWL_ComboBoxImp::IsDropDownStyle() const { return m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_DropDown; } void CFWL_ComboBoxImp::MatchEditText() { CFX_WideString wsText; m_pEdit->GetText(wsText); int32_t iMatch = static_cast(m_pListBox->GetImpl())->MatchItem(wsText); if (iMatch != m_iCurSel) { static_cast(m_pListBox->GetImpl()) ->ChangeSelected(iMatch); if (iMatch >= 0) { SynchrEditText(iMatch); } } else if (iMatch >= 0) { static_cast(m_pEdit->GetImpl())->SetSelected(); } m_iCurSel = iMatch; } void CFWL_ComboBoxImp::SynchrEditText(int32_t iListItem) { CFX_WideString wsText; IFWL_ComboBoxDP* pData = static_cast(m_pProperties->m_pDataProvider); FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, iListItem); static_cast(m_pListBox->GetImpl()) ->GetItemText(hItem, wsText); m_pEdit->SetText(wsText); m_pEdit->Update(); static_cast(m_pEdit->GetImpl())->SetSelected(); } void CFWL_ComboBoxImp::Layout() { if (m_pWidgetMgr->IsFormDisabled()) { return DisForm_Layout(); } GetClientRect(m_rtClient); FX_FLOAT* pFWidth = static_cast(GetThemeCapacity(FWL_WGTCAPACITY_ScrollBarWidth)); if (!pFWidth) return; FX_FLOAT fBtn = *pFWidth; m_rtBtn.Set(m_rtClient.right() - fBtn, m_rtClient.top, fBtn, m_rtClient.height); FX_BOOL bIsDropDown = IsDropDownStyle(); if (bIsDropDown && m_pEdit) { CFX_RectF rtEdit; rtEdit.Set(m_rtClient.left, m_rtClient.top, m_rtClient.width - fBtn, m_rtClient.height); m_pEdit->SetWidgetRect(rtEdit); if (m_iCurSel >= 0) { CFX_WideString wsText; IFWL_ComboBoxDP* pData = static_cast(m_pProperties->m_pDataProvider); FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, m_iCurSel); static_cast(m_pListBox->GetImpl()) ->GetItemText(hItem, wsText); m_pEdit->LockUpdate(); m_pEdit->SetText(wsText); m_pEdit->UnlockUpdate(); } m_pEdit->Update(); } } void CFWL_ComboBoxImp::ReSetTheme() { IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider; if (!pTheme) { pTheme = GetAvailableTheme(); m_pProperties->m_pThemeProvider = pTheme; } if (m_pListBox) { if (!m_pListBox->GetThemeProvider() && pTheme->IsValidWidget(m_pListBox.get())) { m_pListBox->SetThemeProvider(pTheme); } } if (m_pEdit) { if (!m_pEdit->GetThemeProvider() && pTheme->IsValidWidget(m_pEdit.get())) { m_pEdit->SetThemeProvider(pTheme); } } } void CFWL_ComboBoxImp::ReSetEditAlignment() { if (!m_pEdit) return; FX_DWORD dwStylExes = m_pProperties->m_dwStyleExes; FX_DWORD dwAdd = 0; switch (dwStylExes & FWL_STYLEEXT_CMB_EditHAlignMask) { case FWL_STYLEEXT_CMB_EditHCenter: { dwAdd |= FWL_STYLEEXT_EDT_HCenter; break; } case FWL_STYLEEXT_CMB_EditHFar: { dwAdd |= FWL_STYLEEXT_EDT_HFar; break; } default: { dwAdd |= FWL_STYLEEXT_EDT_HNear; } } switch (dwStylExes & FWL_STYLEEXT_CMB_EditVAlignMask) { case FWL_STYLEEXT_CMB_EditVCenter: { dwAdd |= FWL_STYLEEXT_EDT_VCenter; break; } case FWL_STYLEEXT_CMB_EditVFar: { dwAdd |= FWL_STYLEEXT_EDT_VFar; break; } default: { dwAdd |= FWL_STYLEEXT_EDT_VNear; } } if (dwStylExes & FWL_STYLEEXT_CMB_EditJustified) { dwAdd |= FWL_STYLEEXT_EDT_Justified; } if (dwStylExes & FWL_STYLEEXT_CMB_EditDistributed) { dwAdd |= FWL_STYLEEXT_EDT_Distributed; } m_pEdit->ModifyStylesEx(dwAdd, FWL_STYLEEXT_EDT_HAlignMask | FWL_STYLEEXT_EDT_HAlignModeMask | FWL_STYLEEXT_EDT_VAlignMask); } void CFWL_ComboBoxImp::ReSetListItemAlignment() { if (!m_pListBox) return; FX_DWORD dwStylExes = m_pProperties->m_dwStyleExes; FX_DWORD dwAdd = 0; switch (dwStylExes & FWL_STYLEEXT_CMB_ListItemAlignMask) { case FWL_STYLEEXT_CMB_ListItemCenterAlign: { dwAdd |= FWL_STYLEEXT_LTB_CenterAlign; } case FWL_STYLEEXT_CMB_ListItemRightAlign: { dwAdd |= FWL_STYLEEXT_LTB_RightAlign; } default: { dwAdd |= FWL_STYLEEXT_LTB_LeftAlign; } } m_pListBox->ModifyStylesEx(dwAdd, FWL_STYLEEXT_CMB_ListItemAlignMask); } void CFWL_ComboBoxImp::ProcessSelChanged(FX_BOOL bLButtonUp) { IFWL_ComboBoxDP* pDatas = static_cast(m_pProperties->m_pDataProvider); m_iCurSel = pDatas->GetItemIndex(m_pInterface, m_pListBox->GetSelItem(0)); FX_BOOL bDropDown = IsDropDownStyle(); if (bDropDown) { IFWL_ComboBoxDP* pData = static_cast(m_pProperties->m_pDataProvider); FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, m_iCurSel); if (hItem) { CFX_WideString wsText; pData->GetItemText(m_pInterface, hItem, wsText); if (m_pEdit) { m_pEdit->SetText(wsText); m_pEdit->Update(); static_cast(m_pEdit->GetImpl())->SetSelected(); } CFWL_EvtCmbSelChanged ev; ev.bLButtonUp = bLButtonUp; ev.m_pSrcTarget = m_pInterface; ev.iArraySels.Add(m_iCurSel); DispatchEvent(&ev); } } else { Repaint(&m_rtClient); } } void CFWL_ComboBoxImp::InitProxyForm() { if (m_pForm) return; if (!m_pListBox) return; CFWL_WidgetImpProperties propForm; propForm.m_pOwner = m_pInterface; propForm.m_dwStyles = FWL_WGTSTYLE_Popup; propForm.m_dwStates = FWL_WGTSTATE_Invisible; CFX_WideString className; m_pForm = IFWL_Form::CreateFormProxy(propForm, &className, m_pListBox.get()); m_pForm->Initialize(); m_pProxy = static_cast(m_pForm->GetImpl()); m_pListBox->SetParent(m_pForm); m_pListProxyDelegate = new CFWL_ComboProxyImpDelegate(m_pForm, this); m_pProxy->SetDelegate(m_pListProxyDelegate); } FWL_ERR CFWL_ComboBoxImp::DisForm_Initialize() { if (CFWL_WidgetImp::Initialize() != FWL_ERR_Succeeded) return FWL_WGTSTATE_Invisible; // Ditto. m_pDelegate = new CFWL_ComboBoxImpDelegate(this); DisForm_InitComboList(); DisForm_InitComboEdit(); return FWL_ERR_Succeeded; } void CFWL_ComboBoxImp::DisForm_InitComboList() { if (m_pListBox) { return; } CFWL_WidgetImpProperties prop; prop.m_pParent = m_pInterface; prop.m_dwStyles = FWL_WGTSTYLE_Border | FWL_WGTSTYLE_VScroll; prop.m_dwStates = FWL_WGTSTATE_Invisible; prop.m_pDataProvider = m_pProperties->m_pDataProvider; prop.m_pThemeProvider = m_pProperties->m_pThemeProvider; m_pListBox.reset(IFWL_ListBox::CreateComboList(prop, m_pInterface)); m_pListBox->Initialize(); } void CFWL_ComboBoxImp::DisForm_InitComboEdit() { if (m_pEdit) { return; } CFWL_WidgetImpProperties prop; prop.m_pParent = m_pInterface; prop.m_pThemeProvider = m_pProperties->m_pThemeProvider; m_pEdit.reset(IFWL_Edit::CreateComboEdit(prop, m_pInterface)); m_pEdit->Initialize(); static_cast(m_pEdit->GetImpl())->SetOuter(m_pInterface); } void CFWL_ComboBoxImp::DisForm_ShowDropList(FX_BOOL bActivate) { FX_BOOL bDropList = DisForm_IsDropListShowed(); if (bDropList == bActivate) { return; } if (bActivate) { CFWL_EvtCmbPreDropDown preEvent; preEvent.m_pSrcTarget = m_pInterface; DispatchEvent(&preEvent); CFWL_ComboListImp* pComboList = static_cast(m_pListBox->GetImpl()); int32_t iItems = pComboList->CountItems(); if (iItems < 1) { return; } ReSetListItemAlignment(); pComboList->ChangeSelected(m_iCurSel); FX_FLOAT fItemHeight = pComboList->GetItemHeigt(); FX_FLOAT fBorder = GetBorderSize(); FX_FLOAT fPopupMin = 0.0f; if (iItems > 3) { fPopupMin = fItemHeight * 3 + fBorder * 2; } FX_FLOAT fPopupMax = fItemHeight * iItems + fBorder * 2; CFX_RectF rtList; rtList.left = m_rtClient.left; rtList.width = m_pProperties->m_rtWidget.width; rtList.top = 0; rtList.height = 0; GetPopupPos(fPopupMin, fPopupMax, m_pProperties->m_rtWidget, rtList); m_pListBox->SetWidgetRect(rtList); m_pListBox->Update(); } else { SetFocus(TRUE); } m_pListBox->SetStates(FWL_WGTSTATE_Invisible, !bActivate); if (bActivate) { CFWL_EvtCmbPostDropDown postEvent; postEvent.m_pSrcTarget = m_pInterface; DispatchEvent(&postEvent); } CFX_RectF rect; m_pListBox->GetWidgetRect(rect); rect.Inflate(2, 2); Repaint(&rect); } FX_BOOL CFWL_ComboBoxImp::DisForm_IsDropListShowed() { return !(m_pListBox->GetStates() & FWL_WGTSTATE_Invisible); } FWL_ERR CFWL_ComboBoxImp::DisForm_ModifyStylesEx(FX_DWORD dwStylesExAdded, FX_DWORD dwStylesExRemoved) { if (!m_pEdit) { DisForm_InitComboEdit(); } FX_BOOL bAddDropDown = dwStylesExAdded & FWL_STYLEEXT_CMB_DropDown; FX_BOOL bDelDropDown = dwStylesExRemoved & FWL_STYLEEXT_CMB_DropDown; dwStylesExRemoved &= ~FWL_STYLEEXT_CMB_DropDown; m_pProperties->m_dwStyleExes |= FWL_STYLEEXT_CMB_DropDown; if (bAddDropDown) { m_pEdit->ModifyStylesEx(0, FWL_STYLEEXT_EDT_ReadOnly); } else if (bDelDropDown) { m_pEdit->ModifyStylesEx(FWL_STYLEEXT_EDT_ReadOnly, 0); } return CFWL_WidgetImp::ModifyStylesEx(dwStylesExAdded, dwStylesExRemoved); } FWL_ERR CFWL_ComboBoxImp::DisForm_Update() { if (m_iLock) { return FWL_ERR_Indefinite; } if (m_pEdit) { ReSetEditAlignment(); } ReSetTheme(); Layout(); return FWL_ERR_Succeeded; } FX_DWORD CFWL_ComboBoxImp::DisForm_HitTest(FX_FLOAT fx, FX_FLOAT fy) { CFX_RectF rect; rect.Set(0, 0, m_pProperties->m_rtWidget.width - m_rtBtn.width, m_pProperties->m_rtWidget.height); if (rect.Contains(fx, fy)) { return FWL_WGTHITTEST_Edit; } if (m_rtBtn.Contains(fx, fy)) { return FWL_WGTHITTEST_Client; } if (DisForm_IsDropListShowed()) { m_pListBox->GetWidgetRect(rect); if (rect.Contains(fx, fy)) { return FWL_WGTHITTEST_Client; } } return FWL_WGTHITTEST_Unknown; } FWL_ERR CFWL_ComboBoxImp::DisForm_DrawWidget(CFX_Graphics* pGraphics, const CFX_Matrix* pMatrix) { IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider; CFX_Matrix mtOrg; mtOrg.Set(1, 0, 0, 1, 0, 0); if (pMatrix) { mtOrg = *pMatrix; } FX_BOOL bListShowed = m_pListBox && DisForm_IsDropListShowed(); pGraphics->SaveGraphState(); pGraphics->ConcatMatrix(&mtOrg); if (!m_rtBtn.IsEmpty(0.1f)) { CFWL_ThemeBackground param; param.m_pWidget = m_pInterface; param.m_iPart = FWL_PART_CMB_DropDownButton; param.m_dwStates = m_iBtnState; param.m_pGraphics = pGraphics; param.m_rtPart = m_rtBtn; pTheme->DrawBackground(¶m); } pGraphics->RestoreGraphState(); if (m_pEdit) { CFX_RectF rtEdit; m_pEdit->GetWidgetRect(rtEdit); CFX_Matrix mt; mt.Set(1, 0, 0, 1, rtEdit.left, rtEdit.top); mt.Concat(mtOrg); m_pEdit->DrawWidget(pGraphics, &mt); } if (bListShowed) { CFX_RectF rtList; m_pListBox->GetWidgetRect(rtList); CFX_Matrix mt; mt.Set(1, 0, 0, 1, rtList.left, rtList.top); mt.Concat(mtOrg); m_pListBox->DrawWidget(pGraphics, &mt); } return FWL_ERR_Succeeded; } FWL_ERR CFWL_ComboBoxImp::DisForm_GetBBox(CFX_RectF& rect) { rect = m_pProperties->m_rtWidget; if (m_pListBox && DisForm_IsDropListShowed()) { CFX_RectF rtList; m_pListBox->GetWidgetRect(rtList); rtList.Offset(rect.left, rect.top); rect.Union(rtList); } return FWL_ERR_Succeeded; } void CFWL_ComboBoxImp::DisForm_Layout() { GetClientRect(m_rtClient); m_rtContent = m_rtClient; FX_FLOAT* pFWidth = static_cast(GetThemeCapacity(FWL_WGTCAPACITY_ScrollBarWidth)); if (!pFWidth) return; FX_FLOAT borderWidth = 0; { borderWidth = FWL_PART_CMB_Border; } FX_FLOAT fBtn = *pFWidth; if (!(GetStylesEx() & FWL_STYLEEXT_CMB_ReadOnly)) { m_rtBtn.Set(m_rtClient.right() - fBtn, m_rtClient.top + borderWidth, fBtn - borderWidth, m_rtClient.height - 2 * borderWidth); } CFX_RectF* pUIMargin = static_cast(GetThemeCapacity(FWL_WGTCAPACITY_UIMargin)); if (pUIMargin) { m_rtContent.Deflate(pUIMargin->left, pUIMargin->top, pUIMargin->width, pUIMargin->height); } FX_BOOL bIsDropDown = IsDropDownStyle(); if (bIsDropDown && m_pEdit) { CFX_RectF rtEdit; rtEdit.Set(m_rtContent.left, m_rtContent.top, m_rtContent.width - fBtn, m_rtContent.height); m_pEdit->SetWidgetRect(rtEdit); if (m_iCurSel >= 0) { CFX_WideString wsText; IFWL_ComboBoxDP* pData = static_cast(m_pProperties->m_pDataProvider); FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, m_iCurSel); static_cast(m_pListBox->GetImpl()) ->GetItemText(hItem, wsText); m_pEdit->LockUpdate(); m_pEdit->SetText(wsText); m_pEdit->UnlockUpdate(); } m_pEdit->Update(); } } CFWL_ComboBoxImpDelegate::CFWL_ComboBoxImpDelegate(CFWL_ComboBoxImp* pOwner) : m_pOwner(pOwner) {} int32_t CFWL_ComboBoxImpDelegate::OnProcessMessage(CFWL_Message* pMessage) { if (m_pOwner->m_pWidgetMgr->IsFormDisabled()) { return DisForm_OnProcessMessage(pMessage); } if (!pMessage) return 0; FX_DWORD dwMsgCode = pMessage->GetClassID(); FX_BOOL iRet = 1; switch (dwMsgCode) { case FWL_MSGHASH_SetFocus: case FWL_MSGHASH_KillFocus: { OnFocusChanged(pMessage, dwMsgCode == FWL_MSGHASH_SetFocus); break; } case FWL_MSGHASH_Mouse: { CFWL_MsgMouse* pMsg = static_cast(pMessage); FX_DWORD dwCmd = pMsg->m_dwCmd; switch (dwCmd) { case FWL_MSGMOUSECMD_LButtonDown: { OnLButtonDown(pMsg); break; } case FWL_MSGMOUSECMD_LButtonUp: { OnLButtonUp(pMsg); break; } case FWL_MSGMOUSECMD_MouseMove: { OnMouseMove(pMsg); break; } case FWL_MSGMOUSECMD_MouseLeave: { OnMouseLeave(pMsg); break; } default: {} } break; } case FWL_MSGHASH_Key: { OnKey(static_cast(pMessage)); break; } default: { iRet = 0; } } CFWL_WidgetImpDelegate::OnProcessMessage(pMessage); return iRet; } FWL_ERR CFWL_ComboBoxImpDelegate::OnProcessEvent(CFWL_Event* pEvent) { FX_DWORD dwFlag = pEvent->GetClassID(); if (dwFlag == FWL_EVTHASH_LTB_DrawItem) { CFWL_EvtLtbDrawItem* pDrawItemEvent = static_cast(pEvent); CFWL_EvtCmbDrawItem pTemp; pTemp.m_pSrcTarget = m_pOwner->m_pInterface; pTemp.m_pGraphics = pDrawItemEvent->m_pGraphics; pTemp.m_index = pDrawItemEvent->m_index; pTemp.m_rtItem = pDrawItemEvent->m_rect; m_pOwner->DispatchEvent(&pTemp); } else if (dwFlag == FWL_EVTHASH_Scroll) { CFWL_EvtScroll* pScrollEvent = static_cast(pEvent); CFWL_EvtScroll pScrollEv; pScrollEv.m_pSrcTarget = m_pOwner->m_pInterface; pScrollEv.m_iScrollCode = pScrollEvent->m_iScrollCode; pScrollEv.m_fPos = pScrollEvent->m_fPos; m_pOwner->DispatchEvent(&pScrollEv); } else if (dwFlag == FWL_EVTHASH_EDT_TextChanged) { CFWL_EvtEdtTextChanged* pTextChangedEvent = static_cast(pEvent); CFWL_EvtCmbEditChanged pTemp; pTemp.m_pSrcTarget = m_pOwner->m_pInterface; pTemp.wsInsert = pTextChangedEvent->wsInsert; pTemp.wsDelete = pTextChangedEvent->wsDelete; pTemp.nChangeType = pTextChangedEvent->nChangeType; m_pOwner->DispatchEvent(&pTemp); } return FWL_ERR_Succeeded; } FWL_ERR CFWL_ComboBoxImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics, const CFX_Matrix* pMatrix) { return m_pOwner->DrawWidget(pGraphics, pMatrix); } void CFWL_ComboBoxImpDelegate::OnFocusChanged(CFWL_Message* pMsg, FX_BOOL bSet) { IFWL_Target* pDstTarget = pMsg->m_pDstTarget; IFWL_Target* pSrcTarget = pMsg->m_pSrcTarget; FX_BOOL bDropDown = m_pOwner->IsDropDownStyle(); if (bSet) { m_pOwner->m_pProperties->m_dwStates |= FWL_WGTSTATE_Focused; if (bDropDown && pSrcTarget != m_pOwner->m_pListBox.get()) { if (!m_pOwner->m_pEdit) return; static_cast(m_pOwner->m_pEdit->GetImpl()) ->SetSelected(); } else { m_pOwner->Repaint(&m_pOwner->m_rtClient); } } else { m_pOwner->m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Focused; if (bDropDown && pDstTarget != m_pOwner->m_pListBox.get()) { if (!m_pOwner->m_pEdit) return; static_cast(m_pOwner->m_pEdit->GetImpl()) ->FlagFocus(FALSE); static_cast(m_pOwner->m_pEdit->GetImpl()) ->ClearSelected(); } else { m_pOwner->Repaint(&m_pOwner->m_rtClient); } } } void CFWL_ComboBoxImpDelegate::OnLButtonDown(CFWL_MsgMouse* pMsg) { if (m_pOwner->m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) { return; } FX_BOOL bDropDown = m_pOwner->IsDropDownStyle(); CFX_RectF& rtBtn = bDropDown ? m_pOwner->m_rtBtn : m_pOwner->m_rtClient; FX_BOOL bClickBtn = rtBtn.Contains(pMsg->m_fx, pMsg->m_fy); if (bClickBtn) { if (bDropDown && m_pOwner->m_pEdit) { m_pOwner->MatchEditText(); } m_pOwner->m_bLButtonDown = TRUE; m_pOwner->m_iBtnState = FWL_PARTSTATE_CMB_Pressed; m_pOwner->Repaint(&m_pOwner->m_rtClient); m_pOwner->ShowDropList(TRUE); m_pOwner->m_iBtnState = FWL_PARTSTATE_CMB_Normal; m_pOwner->Repaint(&m_pOwner->m_rtClient); } } void CFWL_ComboBoxImpDelegate::OnLButtonUp(CFWL_MsgMouse* pMsg) { m_pOwner->m_bLButtonDown = FALSE; if (m_pOwner->m_rtBtn.Contains(pMsg->m_fx, pMsg->m_fy)) { m_pOwner->m_iBtnState = FWL_PARTSTATE_CMB_Hovered; } else { m_pOwner->m_iBtnState = FWL_PARTSTATE_CMB_Normal; } m_pOwner->Repaint(&m_pOwner->m_rtBtn); } void CFWL_ComboBoxImpDelegate::OnMouseMove(CFWL_MsgMouse* pMsg) { int32_t iOldState = m_pOwner->m_iBtnState; if (m_pOwner->m_rtBtn.Contains(pMsg->m_fx, pMsg->m_fy)) { m_pOwner->m_iBtnState = m_pOwner->m_bLButtonDown ? FWL_PARTSTATE_CMB_Pressed : FWL_PARTSTATE_CMB_Hovered; } else { m_pOwner->m_iBtnState = FWL_PARTSTATE_CMB_Normal; } if ((iOldState != m_pOwner->m_iBtnState) && !((m_pOwner->m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) == FWL_WGTSTATE_Disabled)) { m_pOwner->Repaint(&m_pOwner->m_rtBtn); } } void CFWL_ComboBoxImpDelegate::OnMouseLeave(CFWL_MsgMouse* pMsg) { if (!m_pOwner->IsDropListShowed() && !((m_pOwner->m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) == FWL_WGTSTATE_Disabled)) { m_pOwner->m_iBtnState = FWL_PARTSTATE_CMB_Normal; m_pOwner->Repaint(&m_pOwner->m_rtBtn); } } void CFWL_ComboBoxImpDelegate::OnKey(CFWL_MsgKey* pMsg) { FX_DWORD dwKeyCode = pMsg->m_dwKeyCode; if (dwKeyCode == FWL_VKEY_Tab) { m_pOwner->DispatchKeyEvent(pMsg); return; } FX_BOOL bSubCtrlKey = pMsg->m_pDstTarget == m_pOwner->m_pInterface; if (bSubCtrlKey) { DoSubCtrlKey(pMsg); } } void CFWL_ComboBoxImpDelegate::DoSubCtrlKey(CFWL_MsgKey* pMsg) { FX_DWORD dwKeyCode = pMsg->m_dwKeyCode; FX_BOOL bUp = dwKeyCode == FWL_VKEY_Up; FX_BOOL bDown = dwKeyCode == FWL_VKEY_Down; if (bUp || bDown) { int32_t iCount = static_cast( m_pOwner->m_pListBox->GetImpl())->CountItems(); if (iCount < 1) { return; } FX_BOOL bMatchEqual = FALSE; int32_t iCurSel = m_pOwner->m_iCurSel; FX_BOOL bDropDown = m_pOwner->IsDropDownStyle(); if (bDropDown && m_pOwner->m_pEdit) { CFX_WideString wsText; m_pOwner->m_pEdit->GetText(wsText); iCurSel = static_cast(m_pOwner->m_pListBox->GetImpl()) ->MatchItem(wsText); if (iCurSel >= 0) { CFX_WideString wsTemp; IFWL_ComboBoxDP* pData = static_cast( m_pOwner->m_pProperties->m_pDataProvider); FWL_HLISTITEM hItem = pData->GetItem(m_pOwner->m_pInterface, iCurSel); static_cast(m_pOwner->m_pListBox->GetImpl()) ->GetItemText(hItem, wsTemp); bMatchEqual = wsText.Equal(wsTemp); } } if (iCurSel < 0) { iCurSel = 0; } else if (!bDropDown || bMatchEqual) { if ((bUp && iCurSel == 0) || (bDown && iCurSel == iCount - 1)) { return; } if (bUp) { iCurSel--; } else { iCurSel++; } } m_pOwner->m_iCurSel = iCurSel; if (bDropDown && m_pOwner->m_pEdit) { m_pOwner->SynchrEditText(m_pOwner->m_iCurSel); } else { m_pOwner->Repaint(&m_pOwner->m_rtClient); } return; } FX_BOOL bDropDown = m_pOwner->IsDropDownStyle(); if (bDropDown) { IFWL_WidgetDelegate* pDelegate = m_pOwner->m_pEdit->SetDelegate(NULL); pDelegate->OnProcessMessage(pMsg); } } int32_t CFWL_ComboBoxImpDelegate::DisForm_OnProcessMessage( CFWL_Message* pMessage) { if (!pMessage) return 0; FX_DWORD dwMsgCode = pMessage->GetClassID(); FX_BOOL backDefault = TRUE; switch (dwMsgCode) { case FWL_MSGHASH_SetFocus: case FWL_MSGHASH_KillFocus: { backDefault = FALSE; DisForm_OnFocusChanged(pMessage, dwMsgCode == FWL_MSGHASH_SetFocus); break; } case FWL_MSGHASH_Mouse: { backDefault = FALSE; CFWL_MsgMouse* pMsg = static_cast(pMessage); FX_DWORD dwCmd = pMsg->m_dwCmd; switch (dwCmd) { case FWL_MSGMOUSECMD_LButtonDown: { DisForm_OnLButtonDown(pMsg); break; } case FWL_MSGMOUSECMD_LButtonUp: { OnLButtonUp(pMsg); break; } default: {} } break; } case FWL_MSGHASH_Key: { backDefault = FALSE; CFWL_MsgKey* pKey = static_cast(pMessage); if (pKey->m_dwCmd == FWL_MSGKEYCMD_KeyUp) { break; } if (m_pOwner->DisForm_IsDropListShowed() && pKey->m_dwCmd == FWL_MSGKEYCMD_KeyDown) { FX_DWORD dwKeyCode = pKey->m_dwKeyCode; FX_BOOL bListKey = dwKeyCode == FWL_VKEY_Up || dwKeyCode == FWL_VKEY_Down || dwKeyCode == FWL_VKEY_Return || dwKeyCode == FWL_VKEY_Escape; if (bListKey) { IFWL_WidgetDelegate* pDelegate = m_pOwner->m_pListBox->SetDelegate(NULL); pDelegate->OnProcessMessage(pMessage); break; } } DisForm_OnKey(pKey); break; } default: {} } if (!backDefault) { return 1; } return CFWL_WidgetImpDelegate::OnProcessMessage(pMessage); } void CFWL_ComboBoxImpDelegate::DisForm_OnLButtonDown(CFWL_MsgMouse* pMsg) { FX_BOOL bDropDown = m_pOwner->DisForm_IsDropListShowed(); CFX_RectF& rtBtn = bDropDown ? m_pOwner->m_rtBtn : m_pOwner->m_rtClient; FX_BOOL bClickBtn = rtBtn.Contains(pMsg->m_fx, pMsg->m_fy); if (bClickBtn) { if (m_pOwner->DisForm_IsDropListShowed()) { m_pOwner->DisForm_ShowDropList(FALSE); return; } { if (m_pOwner->m_pEdit) { m_pOwner->MatchEditText(); } m_pOwner->DisForm_ShowDropList(TRUE); } } } void CFWL_ComboBoxImpDelegate::DisForm_OnFocusChanged(CFWL_Message* pMsg, FX_BOOL bSet) { if (bSet) { m_pOwner->m_pProperties->m_dwStates |= FWL_WGTSTATE_Focused; if ((m_pOwner->m_pEdit->GetStates() & FWL_WGTSTATE_Focused) == 0) { CFWL_MsgSetFocus msg; msg.m_pDstTarget = m_pOwner->m_pEdit.get(); msg.m_pSrcTarget = NULL; IFWL_WidgetDelegate* pDelegate = m_pOwner->m_pEdit->SetDelegate(NULL); pDelegate->OnProcessMessage(&msg); } } else { m_pOwner->m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Focused; m_pOwner->DisForm_ShowDropList(FALSE); CFWL_MsgKillFocus msg; msg.m_pDstTarget = NULL; msg.m_pSrcTarget = m_pOwner->m_pEdit.get(); IFWL_WidgetDelegate* pDelegate = m_pOwner->m_pEdit->SetDelegate(NULL); pDelegate->OnProcessMessage(&msg); } } void CFWL_ComboBoxImpDelegate::DisForm_OnKey(CFWL_MsgKey* pMsg) { FX_DWORD dwKeyCode = pMsg->m_dwKeyCode; FX_BOOL bUp = dwKeyCode == FWL_VKEY_Up; FX_BOOL bDown = dwKeyCode == FWL_VKEY_Down; if (bUp || bDown) { CFWL_ComboListImp* pComboList = static_cast(m_pOwner->m_pListBox->GetImpl()); int32_t iCount = pComboList->CountItems(); if (iCount < 1) { return; } FX_BOOL bMatchEqual = FALSE; int32_t iCurSel = m_pOwner->m_iCurSel; if (m_pOwner->m_pEdit) { CFX_WideString wsText; m_pOwner->m_pEdit->GetText(wsText); iCurSel = pComboList->MatchItem(wsText); if (iCurSel >= 0) { CFX_WideString wsTemp; FWL_HLISTITEM item = m_pOwner->m_pListBox->GetSelItem(iCurSel); m_pOwner->m_pListBox->GetItemText(item, wsTemp); bMatchEqual = wsText.Equal(wsTemp); } } if (iCurSel < 0) { iCurSel = 0; } else if (bMatchEqual) { if ((bUp && iCurSel == 0) || (bDown && iCurSel == iCount - 1)) { return; } if (bUp) { iCurSel--; } else { iCurSel++; } } m_pOwner->m_iCurSel = iCurSel; m_pOwner->SynchrEditText(m_pOwner->m_iCurSel); return; } if (m_pOwner->m_pEdit) { IFWL_WidgetDelegate* pDelegate = m_pOwner->m_pEdit->SetDelegate(NULL); pDelegate->OnProcessMessage(pMsg); } } CFWL_ComboProxyImpDelegate::CFWL_ComboProxyImpDelegate( IFWL_Form* pForm, CFWL_ComboBoxImp* pComboBox) : m_bLButtonDown(FALSE), m_bLButtonUpSelf(FALSE), m_fStartPos(0), m_pForm(pForm), m_pComboBox(pComboBox) { } int32_t CFWL_ComboProxyImpDelegate::OnProcessMessage(CFWL_Message* pMessage) { if (!pMessage) return 0; FX_DWORD dwMsgCode = pMessage->GetClassID(); if (dwMsgCode == FWL_MSGHASH_Mouse) { CFWL_MsgMouse* pMsg = static_cast(pMessage); FX_DWORD dwCmd = pMsg->m_dwCmd; switch (dwCmd) { case FWL_MSGMOUSECMD_LButtonDown: { OnLButtonDown(pMsg); break; } case FWL_MSGMOUSECMD_LButtonUp: { OnLButtonUp(pMsg); break; } case FWL_MSGMOUSECMD_MouseMove: { OnMouseMove(pMsg); break; } default: {} } } if (dwMsgCode == FWL_MSGHASH_Deactivate) { OnDeactive(static_cast(pMessage)); } if (dwMsgCode == FWL_MSGHASH_KillFocus || dwMsgCode == FWL_MSGHASH_SetFocus) { OnFocusChanged(static_cast(pMessage), dwMsgCode == FWL_MSGHASH_SetFocus); } return CFWL_WidgetImpDelegate::OnProcessMessage(pMessage); } FWL_ERR CFWL_ComboProxyImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics, const CFX_Matrix* pMatrix) { m_pComboBox->DrawStretchHandler(pGraphics, pMatrix); return FWL_ERR_Succeeded; } void CFWL_ComboProxyImpDelegate::OnLButtonDown(CFWL_MsgMouse* pMsg) { IFWL_NoteThread* pThread = m_pForm->GetOwnerThread(); if (!pThread) return; CFWL_NoteDriver* pDriver = static_cast(pThread->GetNoteDriver()); CFX_RectF rtWidget; m_pForm->GetWidgetRect(rtWidget); rtWidget.left = rtWidget.top = 0; if (rtWidget.Contains(pMsg->m_fx, pMsg->m_fy)) { m_bLButtonDown = TRUE; pDriver->SetGrab(m_pForm, TRUE); } else { m_bLButtonDown = FALSE; pDriver->SetGrab(m_pForm, FALSE); m_pComboBox->ShowDropList(FALSE); } } void CFWL_ComboProxyImpDelegate::OnLButtonUp(CFWL_MsgMouse* pMsg) { m_bLButtonDown = FALSE; IFWL_NoteThread* pThread = m_pForm->GetOwnerThread(); if (!pThread) return; CFWL_NoteDriver* pDriver = static_cast(pThread->GetNoteDriver()); pDriver->SetGrab(m_pForm, FALSE); if (m_bLButtonUpSelf) { CFX_RectF rect; m_pForm->GetWidgetRect(rect); rect.left = rect.top = 0; if (!rect.Contains(pMsg->m_fx, pMsg->m_fy) && m_pComboBox->IsDropListShowed()) { m_pComboBox->ShowDropList(FALSE); } } else { m_bLButtonUpSelf = TRUE; } } void CFWL_ComboProxyImpDelegate::OnMouseMove(CFWL_MsgMouse* pMsg) { } void CFWL_ComboProxyImpDelegate::OnDeactive(CFWL_MsgDeactivate* pMsg) { m_pComboBox->ShowDropList(FALSE); } void CFWL_ComboProxyImpDelegate::OnFocusChanged(CFWL_MsgKillFocus* pMsg, FX_BOOL bSet) { if (!bSet) { if (pMsg->m_pSetFocus == NULL) { m_pComboBox->ShowDropList(FALSE); } } }