| // 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/cfwl_listbox.h" |
| |
| #include <memory> |
| |
| #include "third_party/base/ptr_util.h" |
| #include "third_party/base/stl_util.h" |
| |
| namespace { |
| |
| IFWL_ListBox* ToListBox(IFWL_Widget* widget) { |
| return static_cast<IFWL_ListBox*>(widget); |
| } |
| |
| } // namespace |
| |
| CFWL_ListBox::CFWL_ListBox(const IFWL_App* app) : CFWL_Widget(app) {} |
| |
| CFWL_ListBox::~CFWL_ListBox() {} |
| |
| void CFWL_ListBox::Initialize() { |
| ASSERT(!m_pIface); |
| |
| m_pIface = pdfium::MakeUnique<IFWL_ListBox>( |
| m_pApp, pdfium::MakeUnique<CFWL_WidgetProperties>(this), nullptr); |
| |
| CFWL_Widget::Initialize(); |
| } |
| |
| CFWL_ListItem* CFWL_ListBox::AddString(const CFX_WideStringC& wsAdd, |
| 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_ItemArray.push_back(std::move(pItem)); |
| return m_ItemArray.back().get(); |
| } |
| |
| bool CFWL_ListBox::DeleteString(CFWL_ListItem* pItem) { |
| int32_t nIndex = GetItemIndex(GetWidget(), pItem); |
| if (nIndex < 0 || static_cast<size_t>(nIndex) >= m_ItemArray.size()) { |
| return false; |
| } |
| int32_t iCount = 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*>(GetItem(m_pIface.get(), iSel)); |
| pSel->m_dwStates |= FWL_ITEMSTATE_LTB_Selected; |
| } |
| m_ItemArray.erase(m_ItemArray.begin() + nIndex); |
| return true; |
| } |
| |
| void CFWL_ListBox::DeleteAll() { |
| m_ItemArray.clear(); |
| } |
| |
| int32_t CFWL_ListBox::CountSelItems() { |
| if (!GetWidget()) |
| return 0; |
| return ToListBox(GetWidget())->CountSelItems(); |
| } |
| |
| CFWL_ListItem* CFWL_ListBox::GetSelItem(int32_t nIndexSel) { |
| if (!GetWidget()) |
| return nullptr; |
| return ToListBox(GetWidget())->GetSelItem(nIndexSel); |
| } |
| |
| int32_t CFWL_ListBox::GetSelIndex(int32_t nIndex) { |
| if (!GetWidget()) |
| return 0; |
| return ToListBox(GetWidget())->GetSelIndex(nIndex); |
| } |
| |
| void CFWL_ListBox::SetSelItem(CFWL_ListItem* pItem, bool bSelect) { |
| if (GetWidget()) |
| ToListBox(GetWidget())->SetSelItem(pItem, bSelect); |
| } |
| |
| void CFWL_ListBox::GetItemText(CFWL_ListItem* pItem, CFX_WideString& wsText) { |
| if (GetWidget()) |
| ToListBox(GetWidget())->GetItemText(pItem, wsText); |
| } |
| |
| void CFWL_ListBox::GetScrollPos(FX_FLOAT& fPos, bool bVert) { |
| if (GetWidget()) |
| ToListBox(GetWidget())->GetScrollPos(fPos, bVert); |
| } |
| |
| int32_t CFWL_ListBox::CountItems() const { |
| return pdfium::CollectionSize<int32_t>(m_ItemArray); |
| } |
| |
| CFWL_ListItem* CFWL_ListBox::GetItem(int32_t nIndex) { |
| if (nIndex < 0 || nIndex >= CountItems()) |
| return nullptr; |
| |
| return m_ItemArray[nIndex].get(); |
| } |
| |
| uint32_t CFWL_ListBox::GetItemStates(CFWL_ListItem* pItem) { |
| if (!pItem) |
| return 0; |
| CFWL_ListItem* pListItem = static_cast<CFWL_ListItem*>(pItem); |
| return pListItem->m_dwStates | pListItem->m_dwCheckState; |
| } |
| |
| void CFWL_ListBox::GetCaption(IFWL_Widget* pWidget, CFX_WideString& wsCaption) { |
| wsCaption = L""; |
| } |
| |
| int32_t CFWL_ListBox::CountItems(const IFWL_Widget* pWidget) const { |
| return pdfium::CollectionSize<int32_t>(m_ItemArray); |
| } |
| |
| CFWL_ListItem* CFWL_ListBox::GetItem(const IFWL_Widget* pWidget, |
| int32_t nIndex) const { |
| if (nIndex < 0 || nIndex >= CountItems(pWidget)) |
| return nullptr; |
| |
| return m_ItemArray[nIndex].get(); |
| } |
| |
| int32_t CFWL_ListBox::GetItemIndex(IFWL_Widget* pWidget, CFWL_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; |
| } |
| |
| bool CFWL_ListBox::SetItemIndex(IFWL_Widget* pWidget, |
| CFWL_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::GetItemStyles(IFWL_Widget* pWidget, |
| CFWL_ListItem* pItem) { |
| if (!pItem) |
| return 0; |
| return static_cast<CFWL_ListItem*>(pItem)->m_dwStates; |
| } |
| |
| void CFWL_ListBox::GetItemText(IFWL_Widget* pWidget, |
| CFWL_ListItem* pItem, |
| CFX_WideString& wsText) { |
| if (pItem) |
| wsText = static_cast<CFWL_ListItem*>(pItem)->m_wsText; |
| } |
| |
| void CFWL_ListBox::GetItemRect(IFWL_Widget* pWidget, |
| CFWL_ListItem* pItem, |
| CFX_RectF& rtItem) { |
| if (pItem) |
| rtItem = static_cast<CFWL_ListItem*>(pItem)->m_rtItem; |
| } |
| |
| void* CFWL_ListBox::GetItemData(IFWL_Widget* pWidget, CFWL_ListItem* pItem) { |
| return pItem ? static_cast<CFWL_ListItem*>(pItem)->m_pData : nullptr; |
| } |
| |
| void CFWL_ListBox::SetItemStyles(IFWL_Widget* pWidget, |
| CFWL_ListItem* pItem, |
| uint32_t dwStyle) { |
| if (pItem) |
| static_cast<CFWL_ListItem*>(pItem)->m_dwStates = dwStyle; |
| } |
| |
| void CFWL_ListBox::SetItemText(IFWL_Widget* pWidget, |
| CFWL_ListItem* pItem, |
| const FX_WCHAR* pszText) { |
| if (pItem) |
| static_cast<CFWL_ListItem*>(pItem)->m_wsText = pszText; |
| } |
| |
| void CFWL_ListBox::SetItemRect(IFWL_Widget* pWidget, |
| CFWL_ListItem* pItem, |
| const CFX_RectF& rtItem) { |
| if (pItem) |
| static_cast<CFWL_ListItem*>(pItem)->m_rtItem = rtItem; |
| } |
| |
| FX_FLOAT CFWL_ListBox::GetItemHeight(IFWL_Widget* pWidget) { |
| return 20; |
| } |
| |
| CFX_DIBitmap* CFWL_ListBox::GetItemIcon(IFWL_Widget* pWidget, |
| CFWL_ListItem* pItem) { |
| return static_cast<CFWL_ListItem*>(pItem)->m_pDIB; |
| } |
| |
| void CFWL_ListBox::GetItemCheckRect(IFWL_Widget* pWidget, |
| CFWL_ListItem* pItem, |
| CFX_RectF& rtCheck) { |
| rtCheck = static_cast<CFWL_ListItem*>(pItem)->m_rtCheckBox; |
| } |
| |
| void CFWL_ListBox::SetItemCheckRect(IFWL_Widget* pWidget, |
| CFWL_ListItem* pItem, |
| const CFX_RectF& rtCheck) { |
| static_cast<CFWL_ListItem*>(pItem)->m_rtCheckBox = rtCheck; |
| } |
| |
| uint32_t CFWL_ListBox::GetItemCheckState(IFWL_Widget* pWidget, |
| CFWL_ListItem* pItem) { |
| return static_cast<CFWL_ListItem*>(pItem)->m_dwCheckState; |
| } |
| |
| void CFWL_ListBox::SetItemCheckState(IFWL_Widget* pWidget, |
| CFWL_ListItem* pItem, |
| uint32_t dwCheckState) { |
| static_cast<CFWL_ListItem*>(pItem)->m_dwCheckState = dwCheckState; |
| } |