diff options
Diffstat (limited to 'xfa/fwl/core/ifwl_combobox.cpp')
| -rw-r--r-- | xfa/fwl/core/ifwl_combobox.cpp | 1444 |
1 files changed, 1444 insertions, 0 deletions
diff --git a/xfa/fwl/core/ifwl_combobox.cpp b/xfa/fwl/core/ifwl_combobox.cpp new file mode 100644 index 0000000000..6a4c13f4a6 --- /dev/null +++ b/xfa/fwl/core/ifwl_combobox.cpp @@ -0,0 +1,1444 @@ +// 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/core/ifwl_combobox.h" + +#include "xfa/fde/cfde_txtedtengine.h" +#include "xfa/fde/tto/fde_textout.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/cfwl_widgetmgr.h" +#include "xfa/fwl/core/fwl_noteimp.h" +#include "xfa/fwl/core/ifwl_app.h" +#include "xfa/fwl/core/ifwl_comboedit.h" +#include "xfa/fwl/core/ifwl_combolist.h" +#include "xfa/fwl/core/ifwl_formproxy.h" +#include "xfa/fwl/core/ifwl_themeprovider.h" + +// static +IFWL_ComboBox* IFWL_ComboBox::Create( + const CFWL_WidgetImpProperties& properties) { + return new IFWL_ComboBox(properties, nullptr); +} + +IFWL_ComboBox::IFWL_ComboBox(const CFWL_WidgetImpProperties& properties, + IFWL_Widget* pOuter) + : IFWL_Widget(properties, pOuter), + m_pForm(nullptr), + m_bLButtonDown(FALSE), + m_iCurSel(-1), + m_iBtnState(CFWL_PartState_Normal), + m_fComboFormHandler(0), + m_bNeedShowList(FALSE) { + m_rtClient.Reset(); + m_rtBtn.Reset(); + m_rtHandler.Reset(); +} + +IFWL_ComboBox::~IFWL_ComboBox() {} + +FWL_Error IFWL_ComboBox::GetClassName(CFX_WideString& wsClass) const { + wsClass = FWL_CLASS_ComboBox; + return FWL_Error::Succeeded; +} + +FWL_Type IFWL_ComboBox::GetClassID() const { + return FWL_Type::ComboBox; +} + +FWL_Error IFWL_ComboBox::Initialize() { + if (m_pWidgetMgr->IsFormDisabled()) + return DisForm_Initialize(); + + if (IFWL_Widget::Initialize() != FWL_Error::Succeeded) + return FWL_Error::Indefinite; + + 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_ComboList::Create(prop, this)); + m_pListBox->Initialize(); + if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_DropDown) && !m_pEdit) { + CFWL_WidgetImpProperties prop2; + m_pEdit.reset(IFWL_ComboEdit::Create(prop2, this)); + m_pEdit->Initialize(); + m_pEdit->SetOuter(this); + } + if (m_pEdit) + m_pEdit->SetParent(this); + + SetStates(m_pProperties->m_dwStates); + return FWL_Error::Succeeded; +} + +FWL_Error IFWL_ComboBox::Finalize() { + if (m_pEdit) { + m_pEdit->Finalize(); + } + m_pListBox->Finalize(); + delete m_pDelegate; + m_pDelegate = nullptr; + return IFWL_Widget::Finalize(); +} + +FWL_Error IFWL_ComboBox::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<FX_FLOAT*>( + GetThemeCapacity(CFWL_WidgetCapacity::ScrollBarWidth)); + if (!pFWidth) + return FWL_Error::Indefinite; + rect.Inflate(0, 0, *pFWidth, 0); + IFWL_Widget::GetWidgetRect(rect, TRUE); + } else { + rect = m_pProperties->m_rtWidget; + } + return FWL_Error::Succeeded; +} + +FWL_Error IFWL_ComboBox::ModifyStylesEx(uint32_t dwStylesExAdded, + uint32_t dwStylesExRemoved) { + if (m_pWidgetMgr->IsFormDisabled()) { + return DisForm_ModifyStylesEx(dwStylesExAdded, dwStylesExRemoved); + } + bool bAddDropDown = !!(dwStylesExAdded & FWL_STYLEEXT_CMB_DropDown); + bool bRemoveDropDown = !!(dwStylesExRemoved & FWL_STYLEEXT_CMB_DropDown); + if (bAddDropDown && !m_pEdit) { + CFWL_WidgetImpProperties prop; + m_pEdit.reset(IFWL_ComboEdit::Create(prop, nullptr)); + m_pEdit->Initialize(); + m_pEdit->SetOuter(this); + m_pEdit->SetParent(this); + } else if (bRemoveDropDown && m_pEdit) { + m_pEdit->SetStates(FWL_WGTSTATE_Invisible, TRUE); + } + return IFWL_Widget::ModifyStylesEx(dwStylesExAdded, dwStylesExRemoved); +} + +FWL_Error IFWL_ComboBox::Update() { + if (m_pWidgetMgr->IsFormDisabled()) { + return DisForm_Update(); + } + if (IsLocked()) { + return FWL_Error::Indefinite; + } + ReSetTheme(); + FX_BOOL bDropDown = IsDropDownStyle(); + if (bDropDown && m_pEdit) { + ReSetEditAlignment(); + } + if (!m_pProperties->m_pThemeProvider) { + m_pProperties->m_pThemeProvider = GetAvailableTheme(); + } + Layout(); + CFWL_ThemePart part; + part.m_pWidget = this; + m_fComboFormHandler = + *static_cast<FX_FLOAT*>(m_pProperties->m_pThemeProvider->GetCapacity( + &part, CFWL_WidgetCapacity::ComboFormHandler)); + return FWL_Error::Succeeded; +} + +FWL_WidgetHit IFWL_ComboBox::HitTest(FX_FLOAT fx, FX_FLOAT fy) { + if (m_pWidgetMgr->IsFormDisabled()) { + return DisForm_HitTest(fx, fy); + } + return IFWL_Widget::HitTest(fx, fy); +} + +FWL_Error IFWL_ComboBox::DrawWidget(CFX_Graphics* pGraphics, + const CFX_Matrix* pMatrix) { + if (m_pWidgetMgr->IsFormDisabled()) { + return DisForm_DrawWidget(pGraphics, pMatrix); + } + if (!pGraphics) + return FWL_Error::Indefinite; + if (!m_pProperties->m_pThemeProvider) + return FWL_Error::Indefinite; + IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider; + FX_BOOL bIsDropDown = IsDropDownStyle(); + if (HasBorder()) { + DrawBorder(pGraphics, CFWL_Part::Border, pTheme, pMatrix); + } + if (HasEdge()) { + DrawEdge(pGraphics, CFWL_Part::Edge, pTheme, pMatrix); + } + if (!bIsDropDown) { + CFX_RectF rtTextBk(m_rtClient); + rtTextBk.width -= m_rtBtn.width; + CFWL_ThemeBackground param; + param.m_pWidget = this; + param.m_iPart = CFWL_Part::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<IFWL_ListBoxDP*>( + m_pListBox->m_pProperties->m_pDataProvider); + void* p = pData->GetItemData(m_pListBox.get(), + pData->GetItem(m_pListBox.get(), m_iCurSel)); + if (p) { + param.m_pData = p; + } + } + if (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) { + param.m_dwStates = CFWL_PartState_Disabled; + } else if ((m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) && + (m_iCurSel >= 0)) { + param.m_dwStates = CFWL_PartState_Selected; + } else { + param.m_dwStates = CFWL_PartState_Normal; + } + pTheme->DrawBackground(¶m); + if (m_iCurSel >= 0) { + if (!m_pListBox) + return FWL_Error::Indefinite; + CFX_WideString wsText; + IFWL_ComboBoxDP* pData = + static_cast<IFWL_ComboBoxDP*>(m_pProperties->m_pDataProvider); + IFWL_ListItem* hItem = pData->GetItem(this, m_iCurSel); + m_pListBox->GetItemText(hItem, wsText); + CFWL_ThemeText theme_text; + theme_text.m_pWidget = this; + theme_text.m_iPart = CFWL_Part::Caption; + theme_text.m_dwStates = m_iBtnState; + theme_text.m_pGraphics = pGraphics; + theme_text.m_matrix.Concat(*pMatrix); + theme_text.m_rtPart = rtTextBk; + theme_text.m_dwStates = (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) + ? CFWL_PartState_Selected + : CFWL_PartState_Normal; + theme_text.m_wsText = wsText; + theme_text.m_dwTTOStyles = FDE_TTOSTYLE_SingleLine; + theme_text.m_iTTOAlign = FDE_TTOALIGNMENT_CenterLeft; + pTheme->DrawText(&theme_text); + } + } + { + CFWL_ThemeBackground param; + param.m_pWidget = this; + param.m_iPart = CFWL_Part::DropDownButton; + param.m_dwStates = (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) + ? CFWL_PartState_Disabled + : m_iBtnState; + param.m_pGraphics = pGraphics; + param.m_matrix.Concat(*pMatrix); + param.m_rtPart = m_rtBtn; + pTheme->DrawBackground(¶m); + } + return FWL_Error::Succeeded; +} + +FWL_Error IFWL_ComboBox::SetThemeProvider(IFWL_ThemeProvider* pThemeProvider) { + if (!pThemeProvider) + return FWL_Error::Indefinite; + m_pProperties->m_pThemeProvider = pThemeProvider; + if (m_pListBox) + m_pListBox->SetThemeProvider(pThemeProvider); + if (m_pEdit) + m_pEdit->SetThemeProvider(pThemeProvider); + return FWL_Error::Succeeded; +} + +int32_t IFWL_ComboBox::GetCurSel() { + return m_iCurSel; +} + +FWL_Error IFWL_ComboBox::SetCurSel(int32_t iSel) { + int32_t iCount = m_pListBox->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<IFWL_ComboBoxDP*>(m_pProperties->m_pDataProvider); + IFWL_ListItem* hItem = pData->GetItem(this, iSel); + m_pListBox->GetItemText(hItem, wsText); + m_pEdit->SetText(wsText); + } + m_pEdit->Update(); + } + m_iCurSel = bClearSel ? -1 : iSel; + return FWL_Error::Succeeded; +} + +void IFWL_ComboBox::SetStates(uint32_t 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); + IFWL_Widget::SetStates(dwStates, bSet); +} + +FWL_Error IFWL_ComboBox::SetEditText(const CFX_WideString& wsText) { + if (!m_pEdit) + return FWL_Error::Indefinite; + m_pEdit->SetText(wsText); + return m_pEdit->Update(); +} + +int32_t IFWL_ComboBox::GetEditTextLength() const { + if (!m_pEdit) + return -1; + return m_pEdit->GetTextLength(); +} + +FWL_Error IFWL_ComboBox::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<IFWL_ComboBoxDP*>(m_pProperties->m_pDataProvider); + IFWL_ListItem* hItem = pData->GetItem(this, m_iCurSel); + return m_pListBox->GetItemText(hItem, wsText); + } + return FWL_Error::Indefinite; +} + +FWL_Error IFWL_ComboBox::SetEditSelRange(int32_t nStart, int32_t nCount) { + if (!m_pEdit) + return FWL_Error::Indefinite; + m_pEdit->ClearSelected(); + m_pEdit->AddSelRange(nStart, nCount); + return FWL_Error::Succeeded; +} + +int32_t IFWL_ComboBox::GetEditSelRange(int32_t nIndex, int32_t& nStart) { + if (!m_pEdit) + return -1; + return m_pEdit->GetSelRange(nIndex, nStart); +} + +int32_t IFWL_ComboBox::GetEditLimit() { + if (!m_pEdit) + return -1; + return m_pEdit->GetLimit(); +} + +FWL_Error IFWL_ComboBox::SetEditLimit(int32_t nLimit) { + if (!m_pEdit) + return FWL_Error::Indefinite; + return m_pEdit->SetLimit(nLimit); +} + +FWL_Error IFWL_ComboBox::EditDoClipboard(int32_t iCmd) { + if (!m_pEdit) + return FWL_Error::Indefinite; + return m_pEdit->DoClipboard(iCmd); +} + +FX_BOOL IFWL_ComboBox::EditRedo(const IFDE_TxtEdtDoRecord* pRecord) { + return m_pEdit && m_pEdit->Redo(pRecord); +} + +FX_BOOL IFWL_ComboBox::EditUndo(const IFDE_TxtEdtDoRecord* pRecord) { + return m_pEdit && m_pEdit->Undo(pRecord); +} + +IFWL_ListBox* IFWL_ComboBox::GetListBoxt() { + return m_pListBox.get(); +} + +FX_BOOL IFWL_ComboBox::AfterFocusShowDropList() { + if (!m_bNeedShowList) { + return FALSE; + } + if (m_pEdit) { + MatchEditText(); + } + ShowDropList(TRUE); + m_bNeedShowList = FALSE; + return TRUE; +} + +FWL_Error IFWL_ComboBox::OpenDropDownList(FX_BOOL bActivate) { + ShowDropList(bActivate); + return FWL_Error::Succeeded; +} + +FX_BOOL IFWL_ComboBox::EditCanUndo() { + return m_pEdit->CanUndo(); +} + +FX_BOOL IFWL_ComboBox::EditCanRedo() { + return m_pEdit->CanRedo(); +} + +FX_BOOL IFWL_ComboBox::EditUndo() { + return m_pEdit->Undo(); +} + +FX_BOOL IFWL_ComboBox::EditRedo() { + return m_pEdit->Redo(); +} + +FX_BOOL IFWL_ComboBox::EditCanCopy() { + return m_pEdit->CountSelRanges() > 0; +} + +FX_BOOL IFWL_ComboBox::EditCanCut() { + if (m_pEdit->GetStylesEx() & FWL_STYLEEXT_EDT_ReadOnly) { + return FALSE; + } + return m_pEdit->CountSelRanges() > 0; +} + +FX_BOOL IFWL_ComboBox::EditCanSelectAll() { + return m_pEdit->GetTextLength() > 0; +} + +FX_BOOL IFWL_ComboBox::EditCopy(CFX_WideString& wsCopy) { + return m_pEdit->Copy(wsCopy); +} + +FX_BOOL IFWL_ComboBox::EditCut(CFX_WideString& wsCut) { + return m_pEdit->Cut(wsCut); +} + +FX_BOOL IFWL_ComboBox::EditPaste(const CFX_WideString& wsPaste) { + return m_pEdit->Paste(wsPaste); +} + +FX_BOOL IFWL_ComboBox::EditSelectAll() { + return m_pEdit->AddSelRange(0) == FWL_Error::Succeeded; +} + +FX_BOOL IFWL_ComboBox::EditDelete() { + return m_pEdit->ClearText() == FWL_Error::Succeeded; +} + +FX_BOOL IFWL_ComboBox::EditDeSelect() { + return m_pEdit->ClearSelections() == FWL_Error::Succeeded; +} + +FWL_Error IFWL_ComboBox::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_Error::Succeeded; +} + +FWL_Error IFWL_ComboBox::EditModifyStylesEx(uint32_t dwStylesExAdded, + uint32_t dwStylesExRemoved) { + if (!m_pEdit) + return FWL_Error::ParameterInvalid; + return m_pEdit->ModifyStylesEx(dwStylesExAdded, dwStylesExRemoved); +} + +FX_FLOAT IFWL_ComboBox::GetListHeight() { + return static_cast<IFWL_ComboBoxDP*>(m_pProperties->m_pDataProvider) + ->GetListHeight(this); +} + +void IFWL_ComboBox::DrawStretchHandler(CFX_Graphics* pGraphics, + const CFX_Matrix* pMatrix) { + CFWL_ThemeBackground param; + param.m_pGraphics = pGraphics; + param.m_iPart = CFWL_Part::StretchHandler; + param.m_dwStates = CFWL_PartState_Normal; + param.m_pWidget = this; + if (pMatrix) { + param.m_matrix.Concat(*pMatrix); + } + param.m_rtPart = m_rtHandler; + m_pProperties->m_pThemeProvider->DrawBackground(¶m); +} + +void IFWL_ComboBox::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) { + m_pListBox->ChangeSelected(m_iCurSel); + ReSetListItemAlignment(); + uint32_t 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(nullptr, 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 = this; + DispatchEvent(&ev); + m_fItemHeight = m_pListBox->m_fItemHeight; + m_pListBox->SetFocus(TRUE); + m_pForm->DoModal(); + m_pListBox->SetFocus(FALSE); + } else { + m_pForm->EndDoModal(); + CFWL_EvtCmbCloseUp ev; + ev.m_pSrcTarget = this; + DispatchEvent(&ev); + m_bLButtonDown = FALSE; + m_pListBox->m_bNotifyOwner = TRUE; + SetFocus(TRUE); + } +} + +FX_BOOL IFWL_ComboBox::IsDropListShowed() { + return m_pForm && !(m_pForm->GetStates() & FWL_WGTSTATE_Invisible); +} + +FX_BOOL IFWL_ComboBox::IsDropDownStyle() const { + return m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_DropDown; +} + +void IFWL_ComboBox::MatchEditText() { + CFX_WideString wsText; + m_pEdit->GetText(wsText); + int32_t iMatch = m_pListBox->MatchItem(wsText); + if (iMatch != m_iCurSel) { + m_pListBox->ChangeSelected(iMatch); + if (iMatch >= 0) { + SynchrEditText(iMatch); + } + } else if (iMatch >= 0) { + m_pEdit->SetSelected(); + } + m_iCurSel = iMatch; +} + +void IFWL_ComboBox::SynchrEditText(int32_t iListItem) { + CFX_WideString wsText; + IFWL_ComboBoxDP* pData = + static_cast<IFWL_ComboBoxDP*>(m_pProperties->m_pDataProvider); + IFWL_ListItem* hItem = pData->GetItem(this, iListItem); + m_pListBox->GetItemText(hItem, wsText); + m_pEdit->SetText(wsText); + m_pEdit->Update(); + m_pEdit->SetSelected(); +} + +void IFWL_ComboBox::Layout() { + if (m_pWidgetMgr->IsFormDisabled()) { + return DisForm_Layout(); + } + GetClientRect(m_rtClient); + FX_FLOAT* pFWidth = static_cast<FX_FLOAT*>( + GetThemeCapacity(CFWL_WidgetCapacity::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<IFWL_ComboBoxDP*>(m_pProperties->m_pDataProvider); + IFWL_ListItem* hItem = pData->GetItem(this, m_iCurSel); + m_pListBox->GetItemText(hItem, wsText); + m_pEdit->LockUpdate(); + m_pEdit->SetText(wsText); + m_pEdit->UnlockUpdate(); + } + m_pEdit->Update(); + } +} + +void IFWL_ComboBox::ReSetTheme() { + IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider; + if (!pTheme) { + pTheme = GetAvailableTheme(); + m_pProperties->m_pThemeProvider = pTheme; + } + if (m_pListBox && !m_pListBox->GetThemeProvider()) + m_pListBox->SetThemeProvider(pTheme); + if (m_pEdit && !m_pEdit->GetThemeProvider()) + m_pEdit->SetThemeProvider(pTheme); +} + +void IFWL_ComboBox::ReSetEditAlignment() { + if (!m_pEdit) + return; + uint32_t dwStylExes = m_pProperties->m_dwStyleExes; + uint32_t 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 IFWL_ComboBox::ReSetListItemAlignment() { + if (!m_pListBox) + return; + uint32_t dwStylExes = m_pProperties->m_dwStyleExes; + uint32_t 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 IFWL_ComboBox::ProcessSelChanged(FX_BOOL bLButtonUp) { + IFWL_ComboBoxDP* pDatas = + static_cast<IFWL_ComboBoxDP*>(m_pProperties->m_pDataProvider); + m_iCurSel = pDatas->GetItemIndex(this, m_pListBox->GetSelItem(0)); + FX_BOOL bDropDown = IsDropDownStyle(); + if (bDropDown) { + IFWL_ComboBoxDP* pData = + static_cast<IFWL_ComboBoxDP*>(m_pProperties->m_pDataProvider); + IFWL_ListItem* hItem = pData->GetItem(this, m_iCurSel); + if (hItem) { + CFX_WideString wsText; + pData->GetItemText(this, hItem, wsText); + if (m_pEdit) { + m_pEdit->SetText(wsText); + m_pEdit->Update(); + m_pEdit->SetSelected(); + } + CFWL_EvtCmbSelChanged ev; + ev.bLButtonUp = bLButtonUp; + ev.m_pSrcTarget = this; + ev.iArraySels.Add(m_iCurSel); + DispatchEvent(&ev); + } + } else { + Repaint(&m_rtClient); + } +} + +void IFWL_ComboBox::InitProxyForm() { + if (m_pForm) + return; + if (!m_pListBox) + return; + + CFWL_WidgetImpProperties propForm; + propForm.m_pOwner = this; + propForm.m_dwStyles = FWL_WGTSTYLE_Popup; + propForm.m_dwStates = FWL_WGTSTATE_Invisible; + m_pForm = IFWL_FormProxy::Create(propForm, m_pListBox.get()); + m_pForm->Initialize(); + m_pListBox->SetParent(m_pForm); + m_pListProxyDelegate = new CFWL_ComboProxyImpDelegate(m_pForm, this); + m_pForm->SetDelegate(m_pListProxyDelegate); +} + +FWL_Error IFWL_ComboBox::DisForm_Initialize() { + if (IFWL_Widget::Initialize() != FWL_Error::Succeeded) + return FWL_Error::Indefinite; + + m_pDelegate = new CFWL_ComboBoxImpDelegate(this); + DisForm_InitComboList(); + DisForm_InitComboEdit(); + return FWL_Error::Succeeded; +} + +void IFWL_ComboBox::DisForm_InitComboList() { + if (m_pListBox) + return; + + CFWL_WidgetImpProperties prop; + prop.m_pParent = this; + 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_ComboList::Create(prop, this)); + m_pListBox->Initialize(); +} + +void IFWL_ComboBox::DisForm_InitComboEdit() { + if (m_pEdit) { + return; + } + CFWL_WidgetImpProperties prop; + prop.m_pParent = this; + prop.m_pThemeProvider = m_pProperties->m_pThemeProvider; + m_pEdit.reset(IFWL_ComboEdit::Create(prop, this)); + m_pEdit->Initialize(); + m_pEdit->SetOuter(this); +} + +void IFWL_ComboBox::DisForm_ShowDropList(FX_BOOL bActivate) { + FX_BOOL bDropList = DisForm_IsDropListShowed(); + if (bDropList == bActivate) { + return; + } + if (bActivate) { + CFWL_EvtCmbPreDropDown preEvent; + preEvent.m_pSrcTarget = this; + DispatchEvent(&preEvent); + IFWL_ComboList* pComboList = m_pListBox.get(); + 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 = this; + DispatchEvent(&postEvent); + } + CFX_RectF rect; + m_pListBox->GetWidgetRect(rect); + rect.Inflate(2, 2); + Repaint(&rect); +} + +FX_BOOL IFWL_ComboBox::DisForm_IsDropListShowed() { + return !(m_pListBox->GetStates() & FWL_WGTSTATE_Invisible); +} + +FWL_Error IFWL_ComboBox::DisForm_ModifyStylesEx(uint32_t dwStylesExAdded, + uint32_t dwStylesExRemoved) { + if (!m_pEdit) { + DisForm_InitComboEdit(); + } + bool bAddDropDown = !!(dwStylesExAdded & FWL_STYLEEXT_CMB_DropDown); + 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 IFWL_Widget::ModifyStylesEx(dwStylesExAdded, dwStylesExRemoved); +} + +FWL_Error IFWL_ComboBox::DisForm_Update() { + if (m_iLock) { + return FWL_Error::Indefinite; + } + if (m_pEdit) { + ReSetEditAlignment(); + } + ReSetTheme(); + Layout(); + return FWL_Error::Succeeded; +} + +FWL_WidgetHit IFWL_ComboBox::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_WidgetHit::Edit; + if (m_rtBtn.Contains(fx, fy)) + return FWL_WidgetHit::Client; + if (DisForm_IsDropListShowed()) { + m_pListBox->GetWidgetRect(rect); + if (rect.Contains(fx, fy)) + return FWL_WidgetHit::Client; + } + return FWL_WidgetHit::Unknown; +} + +FWL_Error IFWL_ComboBox::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 = this; + param.m_iPart = CFWL_Part::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_Error::Succeeded; +} + +FWL_Error IFWL_ComboBox::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_Error::Succeeded; +} + +void IFWL_ComboBox::DisForm_Layout() { + GetClientRect(m_rtClient); + m_rtContent = m_rtClient; + FX_FLOAT* pFWidth = static_cast<FX_FLOAT*>( + GetThemeCapacity(CFWL_WidgetCapacity::ScrollBarWidth)); + if (!pFWidth) + return; + FX_FLOAT borderWidth = 1; + 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<CFX_RectF*>(GetThemeCapacity(CFWL_WidgetCapacity::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<IFWL_ComboBoxDP*>(m_pProperties->m_pDataProvider); + IFWL_ListItem* hItem = pData->GetItem(this, m_iCurSel); + m_pListBox->GetItemText(hItem, wsText); + m_pEdit->LockUpdate(); + m_pEdit->SetText(wsText); + m_pEdit->UnlockUpdate(); + } + m_pEdit->Update(); + } +} + +CFWL_ComboBoxImpDelegate::CFWL_ComboBoxImpDelegate(IFWL_ComboBox* pOwner) + : m_pOwner(pOwner) {} + +void CFWL_ComboBoxImpDelegate::OnProcessMessage(CFWL_Message* pMessage) { + if (m_pOwner->m_pWidgetMgr->IsFormDisabled()) { + DisForm_OnProcessMessage(pMessage); + return; + } + if (!pMessage) + return; + + switch (pMessage->GetClassID()) { + 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; + } + case FWL_MouseCommand::Move: { + OnMouseMove(pMsg); + break; + } + case FWL_MouseCommand::Leave: { + OnMouseLeave(pMsg); + break; + } + default: + break; + } + break; + } + case CFWL_MessageType::Key: { + OnKey(static_cast<CFWL_MsgKey*>(pMessage)); + break; + } + default: { break; } + } + + CFWL_WidgetImpDelegate::OnProcessMessage(pMessage); +} + +void CFWL_ComboBoxImpDelegate::OnProcessEvent(CFWL_Event* pEvent) { + CFWL_EventType dwFlag = pEvent->GetClassID(); + if (dwFlag == CFWL_EventType::DrawItem) { + CFWL_EvtLtbDrawItem* pDrawItemEvent = + static_cast<CFWL_EvtLtbDrawItem*>(pEvent); + CFWL_EvtCmbDrawItem pTemp; + pTemp.m_pSrcTarget = m_pOwner; + 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 == CFWL_EventType::Scroll) { + CFWL_EvtScroll* pScrollEvent = static_cast<CFWL_EvtScroll*>(pEvent); + CFWL_EvtScroll pScrollEv; + pScrollEv.m_pSrcTarget = m_pOwner; + pScrollEv.m_iScrollCode = pScrollEvent->m_iScrollCode; + pScrollEv.m_fPos = pScrollEvent->m_fPos; + m_pOwner->DispatchEvent(&pScrollEv); + } else if (dwFlag == CFWL_EventType::TextChanged) { + CFWL_EvtEdtTextChanged* pTextChangedEvent = + static_cast<CFWL_EvtEdtTextChanged*>(pEvent); + CFWL_EvtCmbEditChanged pTemp; + pTemp.m_pSrcTarget = m_pOwner; + pTemp.wsInsert = pTextChangedEvent->wsInsert; + pTemp.wsDelete = pTextChangedEvent->wsDelete; + pTemp.nChangeType = pTextChangedEvent->nChangeType; + m_pOwner->DispatchEvent(&pTemp); + } +} + +void CFWL_ComboBoxImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics, + const CFX_Matrix* pMatrix) { + m_pOwner->DrawWidget(pGraphics, pMatrix); +} + +void CFWL_ComboBoxImpDelegate::OnFocusChanged(CFWL_Message* pMsg, + FX_BOOL bSet) { + IFWL_Widget* pDstTarget = pMsg->m_pDstTarget; + IFWL_Widget* 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; + m_pOwner->m_pEdit->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; + m_pOwner->m_pEdit->FlagFocus(FALSE); + m_pOwner->m_pEdit->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 = CFWL_PartState_Pressed; + m_pOwner->Repaint(&m_pOwner->m_rtClient); + m_pOwner->ShowDropList(TRUE); + m_pOwner->m_iBtnState = CFWL_PartState_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 = CFWL_PartState_Hovered; + } else { + m_pOwner->m_iBtnState = CFWL_PartState_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 ? CFWL_PartState_Pressed + : CFWL_PartState_Hovered; + } else { + m_pOwner->m_iBtnState = CFWL_PartState_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 = CFWL_PartState_Normal; + m_pOwner->Repaint(&m_pOwner->m_rtBtn); + } +} + +void CFWL_ComboBoxImpDelegate::OnKey(CFWL_MsgKey* pMsg) { + uint32_t dwKeyCode = pMsg->m_dwKeyCode; + if (dwKeyCode == FWL_VKEY_Tab) { + m_pOwner->DispatchKeyEvent(pMsg); + return; + } + if (pMsg->m_pDstTarget == m_pOwner) + DoSubCtrlKey(pMsg); +} + +void CFWL_ComboBoxImpDelegate::DoSubCtrlKey(CFWL_MsgKey* pMsg) { + uint32_t dwKeyCode = pMsg->m_dwKeyCode; + const bool bUp = dwKeyCode == FWL_VKEY_Up; + const bool bDown = dwKeyCode == FWL_VKEY_Down; + if (bUp || bDown) { + int32_t iCount = m_pOwner->m_pListBox->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 = m_pOwner->m_pListBox->MatchItem(wsText); + if (iCurSel >= 0) { + CFX_WideString wsTemp; + IFWL_ComboBoxDP* pData = static_cast<IFWL_ComboBoxDP*>( + m_pOwner->m_pProperties->m_pDataProvider); + IFWL_ListItem* hItem = pData->GetItem(m_pOwner, iCurSel); + m_pOwner->m_pListBox->GetItemText(hItem, wsTemp); + bMatchEqual = wsText == 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(nullptr); + pDelegate->OnProcessMessage(pMsg); + } +} + +void CFWL_ComboBoxImpDelegate::DisForm_OnProcessMessage( + CFWL_Message* pMessage) { + if (!pMessage) + return; + + FX_BOOL backDefault = TRUE; + switch (pMessage->GetClassID()) { + case CFWL_MessageType::SetFocus: { + backDefault = FALSE; + DisForm_OnFocusChanged(pMessage, TRUE); + break; + } + case CFWL_MessageType::KillFocus: { + backDefault = FALSE; + DisForm_OnFocusChanged(pMessage, FALSE); + break; + } + case CFWL_MessageType::Mouse: { + backDefault = FALSE; + CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage); + switch (pMsg->m_dwCmd) { + case FWL_MouseCommand::LeftButtonDown: { + DisForm_OnLButtonDown(pMsg); + break; + } + case FWL_MouseCommand::LeftButtonUp: { + OnLButtonUp(pMsg); + break; + } + default: + break; + } + break; + } + case CFWL_MessageType::Key: { + backDefault = FALSE; + CFWL_MsgKey* pKey = static_cast<CFWL_MsgKey*>(pMessage); + if (pKey->m_dwCmd == FWL_KeyCommand::KeyUp) + break; + if (m_pOwner->DisForm_IsDropListShowed() && + pKey->m_dwCmd == FWL_KeyCommand::KeyDown) { + FX_BOOL bListKey = pKey->m_dwKeyCode == FWL_VKEY_Up || + pKey->m_dwKeyCode == FWL_VKEY_Down || + pKey->m_dwKeyCode == FWL_VKEY_Return || + pKey->m_dwKeyCode == FWL_VKEY_Escape; + if (bListKey) { + IFWL_WidgetDelegate* pDelegate = + m_pOwner->m_pListBox->SetDelegate(nullptr); + pDelegate->OnProcessMessage(pMessage); + break; + } + } + DisForm_OnKey(pKey); + break; + } + default: + break; + } + if (backDefault) + 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 = nullptr; + IFWL_WidgetDelegate* pDelegate = m_pOwner->m_pEdit->SetDelegate(nullptr); + pDelegate->OnProcessMessage(&msg); + } + } else { + m_pOwner->m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Focused; + m_pOwner->DisForm_ShowDropList(FALSE); + CFWL_MsgKillFocus msg; + msg.m_pDstTarget = nullptr; + msg.m_pSrcTarget = m_pOwner->m_pEdit.get(); + IFWL_WidgetDelegate* pDelegate = m_pOwner->m_pEdit->SetDelegate(nullptr); + pDelegate->OnProcessMessage(&msg); + } +} + +void CFWL_ComboBoxImpDelegate::DisForm_OnKey(CFWL_MsgKey* pMsg) { + uint32_t dwKeyCode = pMsg->m_dwKeyCode; + const bool bUp = dwKeyCode == FWL_VKEY_Up; + const bool bDown = dwKeyCode == FWL_VKEY_Down; + if (bUp || bDown) { + IFWL_ComboList* pComboList = m_pOwner->m_pListBox.get(); + 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; + IFWL_ListItem* item = m_pOwner->m_pListBox->GetSelItem(iCurSel); + m_pOwner->m_pListBox->GetItemText(item, wsTemp); + bMatchEqual = wsText == 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(nullptr); + pDelegate->OnProcessMessage(pMsg); + } +} + +CFWL_ComboProxyImpDelegate::CFWL_ComboProxyImpDelegate(IFWL_Form* pForm, + IFWL_ComboBox* pComboBox) + : m_bLButtonDown(FALSE), + m_bLButtonUpSelf(FALSE), + m_fStartPos(0), + m_pForm(pForm), + m_pComboBox(pComboBox) {} + +void CFWL_ComboProxyImpDelegate::OnProcessMessage(CFWL_Message* pMessage) { + if (!pMessage) + return; + + switch (pMessage->GetClassID()) { + 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; + } + case FWL_MouseCommand::Move: { + OnMouseMove(pMsg); + break; + } + default: + break; + } + break; + } + case CFWL_MessageType::Deactivate: { + OnDeactive(static_cast<CFWL_MsgDeactivate*>(pMessage)); + break; + } + case CFWL_MessageType::KillFocus: { + OnFocusChanged(static_cast<CFWL_MsgKillFocus*>(pMessage), FALSE); + break; + } + case CFWL_MessageType::SetFocus: { + OnFocusChanged(static_cast<CFWL_MsgKillFocus*>(pMessage), TRUE); + break; + } + default: + break; + } + CFWL_WidgetImpDelegate::OnProcessMessage(pMessage); +} + +void CFWL_ComboProxyImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics, + const CFX_Matrix* pMatrix) { + m_pComboBox->DrawStretchHandler(pGraphics, pMatrix); +} + +void CFWL_ComboProxyImpDelegate::OnLButtonDown(CFWL_MsgMouse* pMsg) { + IFWL_App* pApp = m_pForm->GetOwnerApp(); + if (!pApp) + return; + + CFWL_NoteDriver* pDriver = + static_cast<CFWL_NoteDriver*>(pApp->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_App* pApp = m_pForm->GetOwnerApp(); + if (!pApp) + return; + + CFWL_NoteDriver* pDriver = + static_cast<CFWL_NoteDriver*>(pApp->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) { + m_pComboBox->ShowDropList(FALSE); + } + } +} |