| // 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/lightwidget/cfwl_listbox.h" |
| |
| #include <memory> |
| |
| #include "third_party/base/stl_util.h" |
| |
| IFWL_ListBox* CFWL_ListBox::GetWidget() { |
| return static_cast<IFWL_ListBox*>(m_pIface.get()); |
| } |
| |
| const IFWL_ListBox* CFWL_ListBox::GetWidget() const { |
| return static_cast<IFWL_ListBox*>(m_pIface.get()); |
| } |
| |
| CFWL_ListBox* CFWL_ListBox::Create() { |
| return new CFWL_ListBox; |
| } |
| |
| FWL_Error CFWL_ListBox::Initialize(const CFWL_WidgetProperties* pProperties) { |
| if (m_pIface) |
| return FWL_Error::Indefinite; |
| if (pProperties) { |
| *m_pProperties = *pProperties; |
| } |
| std::unique_ptr<IFWL_ListBox> pListBox(IFWL_ListBox::Create( |
| m_pProperties->MakeWidgetImpProperties(&m_ListBoxDP), nullptr)); |
| FWL_Error ret = pListBox->Initialize(); |
| if (ret != FWL_Error::Succeeded) { |
| return ret; |
| } |
| m_pIface = std::move(pListBox); |
| CFWL_Widget::Initialize(); |
| return FWL_Error::Succeeded; |
| } |
| |
| FWL_Error CFWL_ListBox::AddDIBitmap(CFX_DIBitmap* pDIB, IFWL_ListItem* pItem) { |
| static_cast<CFWL_ListItem*>(pItem)->m_pDIB = pDIB; |
| return FWL_Error::Succeeded; |
| } |
| |
| IFWL_ListItem* CFWL_ListBox::AddString(const CFX_WideStringC& wsAdd, |
| FX_BOOL bSelect) { |
| std::unique_ptr<CFWL_ListItem> pItem(new CFWL_ListItem); |
| pItem->m_dwStates = 0; |
| pItem->m_wsText = wsAdd; |
| pItem->m_dwStates = bSelect ? FWL_ITEMSTATE_LTB_Selected : 0; |
| m_ListBoxDP.m_ItemArray.push_back(std::move(pItem)); |
| return m_ListBoxDP.m_ItemArray.back().get(); |
| } |
| |
| FX_BOOL CFWL_ListBox::DeleteString(IFWL_ListItem* pItem) { |
| int32_t nIndex = m_ListBoxDP.GetItemIndex(GetWidget(), pItem); |
| if (nIndex < 0 || |
| static_cast<size_t>(nIndex) >= m_ListBoxDP.m_ItemArray.size()) { |
| return FALSE; |
| } |
| int32_t iCount = m_ListBoxDP.CountItems(m_pIface.get()); |
| int32_t iSel = nIndex + 1; |
| if (iSel >= iCount) { |
| iSel = nIndex - 1; |
| if (iSel < 0) { |
| iSel = -1; |
| } |
| } |
| if (iSel >= 0) { |
| CFWL_ListItem* pSel = |
| static_cast<CFWL_ListItem*>(m_ListBoxDP.GetItem(m_pIface.get(), iSel)); |
| pSel->m_dwStates |= FWL_ITEMSTATE_LTB_Selected; |
| } |
| m_ListBoxDP.m_ItemArray.erase(m_ListBoxDP.m_ItemArray.begin() + nIndex); |
| return TRUE; |
| } |
| |
| void CFWL_ListBox::DeleteAll() { |
| m_ListBoxDP.m_ItemArray.clear(); |
| } |
| |
| int32_t CFWL_ListBox::CountSelItems() { |
| if (!GetWidget()) |
| return 0; |
| return GetWidget()->CountSelItems(); |
| } |
| |
| IFWL_ListItem* CFWL_ListBox::GetSelItem(int32_t nIndexSel) { |
| if (!GetWidget()) |
| return nullptr; |
| return GetWidget()->GetSelItem(nIndexSel); |
| } |
| |
| int32_t CFWL_ListBox::GetSelIndex(int32_t nIndex) { |
| if (!GetWidget()) |
| return 0; |
| return GetWidget()->GetSelIndex(nIndex); |
| } |
| |
| FWL_Error CFWL_ListBox::SetSelItem(IFWL_ListItem* pItem, FX_BOOL bSelect) { |
| if (!GetWidget()) |
| return FWL_Error::Indefinite; |
| return GetWidget()->SetSelItem(pItem, bSelect); |
| } |
| |
| FWL_Error CFWL_ListBox::GetItemText(IFWL_ListItem* pItem, |
| CFX_WideString& wsText) { |
| if (!GetWidget()) |
| return FWL_Error::Indefinite; |
| return GetWidget()->GetItemText(pItem, wsText); |
| } |
| |
| FWL_Error CFWL_ListBox::GetScrollPos(FX_FLOAT& fPos, FX_BOOL bVert) { |
| if (!GetWidget()) |
| return FWL_Error::Indefinite; |
| return GetWidget()->GetScrollPos(fPos, bVert); |
| } |
| |
| FWL_Error CFWL_ListBox::SetItemHeight(FX_FLOAT fItemHeight) { |
| m_ListBoxDP.m_fItemHeight = fItemHeight; |
| return FWL_Error::Succeeded; |
| } |
| |
| IFWL_ListItem* CFWL_ListBox::GetFocusItem() { |
| for (const auto& pItem : m_ListBoxDP.m_ItemArray) { |
| if (pItem->m_dwStates & FWL_ITEMSTATE_LTB_Focused) |
| return pItem.get(); |
| } |
| return nullptr; |
| } |
| |
| FWL_Error CFWL_ListBox::SetFocusItem(IFWL_ListItem* pItem) { |
| int32_t nIndex = m_ListBoxDP.GetItemIndex(GetWidget(), pItem); |
| m_ListBoxDP.m_ItemArray[nIndex]->m_dwStates |= FWL_ITEMSTATE_LTB_Focused; |
| return FWL_Error::Succeeded; |
| } |
| |
| int32_t CFWL_ListBox::CountItems() { |
| return pdfium::CollectionSize<int32_t>(m_ListBoxDP.m_ItemArray); |
| } |
| |
| IFWL_ListItem* CFWL_ListBox::GetItem(int32_t nIndex) { |
| if (nIndex < 0 || nIndex >= CountItems()) |
| return nullptr; |
| |
| return m_ListBoxDP.m_ItemArray[nIndex].get(); |
| } |
| |
| FWL_Error CFWL_ListBox::SetItemString(IFWL_ListItem* pItem, |
| const CFX_WideStringC& wsText) { |
| if (!pItem) |
| return FWL_Error::Indefinite; |
| static_cast<CFWL_ListItem*>(pItem)->m_wsText = wsText; |
| return FWL_Error::Succeeded; |
| } |
| |
| FWL_Error CFWL_ListBox::GetItemString(IFWL_ListItem* pItem, |
| CFX_WideString& wsText) { |
| if (!pItem) |
| return FWL_Error::Indefinite; |
| wsText = static_cast<CFWL_ListItem*>(pItem)->m_wsText; |
| return FWL_Error::Succeeded; |
| } |
| |
| FWL_Error CFWL_ListBox::SetItemData(IFWL_ListItem* pItem, void* pData) { |
| if (!pItem) |
| return FWL_Error::Indefinite; |
| static_cast<CFWL_ListItem*>(pItem)->m_pData = pData; |
| return FWL_Error::Succeeded; |
| } |
| |
| void* CFWL_ListBox::GetItemData(IFWL_ListItem* pItem) { |
| return pItem ? static_cast<CFWL_ListItem*>(pItem)->m_pData : nullptr; |
| } |
| |
| IFWL_ListItem* CFWL_ListBox::GetItemAtPoint(FX_FLOAT fx, FX_FLOAT fy) { |
| CFX_RectF rtClient; |
| GetWidget()->GetClientRect(rtClient); |
| fx -= rtClient.left; |
| fy -= rtClient.top; |
| FX_FLOAT fPosX = 0; |
| FX_FLOAT fPosY = 0; |
| GetWidget()->GetScrollPos(fx); |
| GetWidget()->GetScrollPos(fy, FALSE); |
| int32_t nCount = m_ListBoxDP.CountItems(nullptr); |
| for (int32_t i = 0; i < nCount; i++) { |
| IFWL_ListItem* pItem = m_ListBoxDP.GetItem(nullptr, i); |
| if (!pItem) { |
| continue; |
| } |
| CFX_RectF rtItem; |
| m_ListBoxDP.GetItemRect(nullptr, pItem, rtItem); |
| rtItem.Offset(-fPosX, -fPosY); |
| if (rtItem.Contains(fx, fy)) { |
| return pItem; |
| } |
| } |
| return nullptr; |
| } |
| |
| uint32_t CFWL_ListBox::GetItemStates(IFWL_ListItem* pItem) { |
| if (!pItem) |
| return 0; |
| CFWL_ListItem* pListItem = static_cast<CFWL_ListItem*>(pItem); |
| return pListItem->m_dwStates | pListItem->m_dwCheckState; |
| } |
| |
| CFWL_ListBox::CFWL_ListBox() {} |
| |
| CFWL_ListBox::~CFWL_ListBox() {} |
| |
| CFWL_ListBox::CFWL_ListBoxDP::CFWL_ListBoxDP() {} |
| |
| CFWL_ListBox::CFWL_ListBoxDP::~CFWL_ListBoxDP() {} |
| |
| FWL_Error CFWL_ListBox::CFWL_ListBoxDP::GetCaption(IFWL_Widget* pWidget, |
| CFX_WideString& wsCaption) { |
| wsCaption = m_wsData; |
| return FWL_Error::Succeeded; |
| } |
| |
| int32_t CFWL_ListBox::CFWL_ListBoxDP::CountItems(IFWL_Widget* pWidget) { |
| return pdfium::CollectionSize<int32_t>(m_ItemArray); |
| } |
| |
| IFWL_ListItem* CFWL_ListBox::CFWL_ListBoxDP::GetItem(IFWL_Widget* pWidget, |
| int32_t nIndex) { |
| if (nIndex < 0 || nIndex >= CountItems(pWidget)) |
| return nullptr; |
| |
| return m_ItemArray[nIndex].get(); |
| } |
| |
| int32_t CFWL_ListBox::CFWL_ListBoxDP::GetItemIndex(IFWL_Widget* pWidget, |
| IFWL_ListItem* pItem) { |
| auto it = std::find_if( |
| m_ItemArray.begin(), m_ItemArray.end(), |
| [pItem](const std::unique_ptr<CFWL_ListItem>& candidate) { |
| return candidate.get() == static_cast<CFWL_ListItem*>(pItem); |
| }); |
| return it != m_ItemArray.end() ? it - m_ItemArray.begin() : -1; |
| } |
| |
| FX_BOOL CFWL_ListBox::CFWL_ListBoxDP::SetItemIndex(IFWL_Widget* pWidget, |
| IFWL_ListItem* pItem, |
| int32_t nIndex) { |
| if (nIndex < 0 || nIndex >= CountItems(pWidget)) |
| return FALSE; |
| m_ItemArray[nIndex].reset(static_cast<CFWL_ListItem*>(pItem)); |
| return TRUE; |
| } |
| |
| uint32_t CFWL_ListBox::CFWL_ListBoxDP::GetItemStyles(IFWL_Widget* pWidget, |
| IFWL_ListItem* pItem) { |
| if (!pItem) |
| return 0; |
| return static_cast<CFWL_ListItem*>(pItem)->m_dwStates; |
| } |
| |
| FWL_Error CFWL_ListBox::CFWL_ListBoxDP::GetItemText(IFWL_Widget* pWidget, |
| IFWL_ListItem* pItem, |
| CFX_WideString& wsText) { |
| if (!pItem) |
| return FWL_Error::Indefinite; |
| wsText = static_cast<CFWL_ListItem*>(pItem)->m_wsText; |
| return FWL_Error::Succeeded; |
| } |
| |
| FWL_Error CFWL_ListBox::CFWL_ListBoxDP::GetItemRect(IFWL_Widget* pWidget, |
| IFWL_ListItem* pItem, |
| CFX_RectF& rtItem) { |
| if (!pItem) |
| return FWL_Error::Indefinite; |
| rtItem = static_cast<CFWL_ListItem*>(pItem)->m_rtItem; |
| return FWL_Error::Succeeded; |
| } |
| |
| void* CFWL_ListBox::CFWL_ListBoxDP::GetItemData(IFWL_Widget* pWidget, |
| IFWL_ListItem* pItem) { |
| return pItem ? static_cast<CFWL_ListItem*>(pItem)->m_pData : nullptr; |
| } |
| |
| FWL_Error CFWL_ListBox::CFWL_ListBoxDP::SetItemStyles(IFWL_Widget* pWidget, |
| IFWL_ListItem* pItem, |
| uint32_t dwStyle) { |
| if (!pItem) |
| return FWL_Error::Indefinite; |
| static_cast<CFWL_ListItem*>(pItem)->m_dwStates = dwStyle; |
| return FWL_Error::Succeeded; |
| } |
| |
| FWL_Error CFWL_ListBox::CFWL_ListBoxDP::SetItemText(IFWL_Widget* pWidget, |
| IFWL_ListItem* pItem, |
| const FX_WCHAR* pszText) { |
| if (!pItem) |
| return FWL_Error::Indefinite; |
| static_cast<CFWL_ListItem*>(pItem)->m_wsText = pszText; |
| return FWL_Error::Succeeded; |
| } |
| |
| FWL_Error CFWL_ListBox::CFWL_ListBoxDP::SetItemRect(IFWL_Widget* pWidget, |
| IFWL_ListItem* pItem, |
| const CFX_RectF& rtItem) { |
| if (!pItem) |
| return FWL_Error::Indefinite; |
| static_cast<CFWL_ListItem*>(pItem)->m_rtItem = rtItem; |
| return FWL_Error::Succeeded; |
| } |
| |
| FX_FLOAT CFWL_ListBox::CFWL_ListBoxDP::GetItemHeight(IFWL_Widget* pWidget) { |
| return m_fItemHeight; |
| } |
| |
| CFX_DIBitmap* CFWL_ListBox::CFWL_ListBoxDP::GetItemIcon(IFWL_Widget* pWidget, |
| IFWL_ListItem* pItem) { |
| return static_cast<CFWL_ListItem*>(pItem)->m_pDIB; |
| } |
| |
| FWL_Error CFWL_ListBox::CFWL_ListBoxDP::GetItemCheckRect(IFWL_Widget* pWidget, |
| IFWL_ListItem* pItem, |
| CFX_RectF& rtCheck) { |
| rtCheck = static_cast<CFWL_ListItem*>(pItem)->m_rtCheckBox; |
| return FWL_Error::Succeeded; |
| } |
| |
| FWL_Error CFWL_ListBox::CFWL_ListBoxDP::SetItemCheckRect( |
| IFWL_Widget* pWidget, |
| IFWL_ListItem* pItem, |
| const CFX_RectF& rtCheck) { |
| static_cast<CFWL_ListItem*>(pItem)->m_rtCheckBox = rtCheck; |
| return FWL_Error::Succeeded; |
| } |
| |
| uint32_t CFWL_ListBox::CFWL_ListBoxDP::GetItemCheckState(IFWL_Widget* pWidget, |
| IFWL_ListItem* pItem) { |
| return static_cast<CFWL_ListItem*>(pItem)->m_dwCheckState; |
| } |
| |
| FWL_Error CFWL_ListBox::CFWL_ListBoxDP::SetItemCheckState( |
| IFWL_Widget* pWidget, |
| IFWL_ListItem* pItem, |
| uint32_t dwCheckState) { |
| static_cast<CFWL_ListItem*>(pItem)->m_dwCheckState = dwCheckState; |
| return FWL_Error::Succeeded; |
| } |
| |
| CFWL_ListItem::CFWL_ListItem() { |
| m_rtItem.Reset(); |
| m_dwStates = 0; |
| m_wsText = L""; |
| m_pDIB = nullptr; |
| m_pData = nullptr; |
| m_dwCheckState = 0; |
| m_rtCheckBox.Reset(); |
| } |
| |
| CFWL_ListItem::~CFWL_ListItem() {} |