// 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" 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 = pListBox.release(); CFWL_Widget::Initialize(); return FWL_Error::Succeeded; } FWL_Error CFWL_ListBox::AddDIBitmap(CFX_DIBitmap* pDIB, FWL_HLISTITEM hItem) { reinterpret_cast<CFWL_ListItem*>(hItem)->m_pDIB = pDIB; return FWL_Error::Succeeded; } FWL_HLISTITEM 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 (FWL_HLISTITEM)m_ListBoxDP.m_ItemArray.back().get(); } FX_BOOL CFWL_ListBox::DeleteString(FWL_HLISTITEM hItem) { int32_t nIndex = m_ListBoxDP.GetItemIndex(GetWidget(), hItem); if (nIndex < 0 || static_cast<size_t>(nIndex) >= m_ListBoxDP.m_ItemArray.size()) { return FALSE; } int32_t iCount = m_ListBoxDP.CountItems(m_pIface); int32_t iSel = nIndex + 1; if (iSel >= iCount) { iSel = nIndex - 1; if (iSel < 0) { iSel = -1; } } if (iSel >= 0) { CFWL_ListItem* pSel = reinterpret_cast<CFWL_ListItem*>(m_ListBoxDP.GetItem(m_pIface, 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 (!m_pIface) return 0; return static_cast<IFWL_ListBox*>(m_pIface)->CountSelItems(); } FWL_HLISTITEM CFWL_ListBox::GetSelItem(int32_t nIndexSel) { if (!m_pIface) return NULL; return static_cast<IFWL_ListBox*>(m_pIface)->GetSelItem(nIndexSel); } int32_t CFWL_ListBox::GetSelIndex(int32_t nIndex) { if (!m_pIface) return 0; return static_cast<IFWL_ListBox*>(m_pIface)->GetSelIndex(nIndex); } FWL_Error CFWL_ListBox::SetSelItem(FWL_HLISTITEM hItem, FX_BOOL bSelect) { if (!m_pIface) return FWL_Error::Indefinite; return static_cast<IFWL_ListBox*>(m_pIface)->SetSelItem(hItem, bSelect); } FWL_Error CFWL_ListBox::GetItemText(FWL_HLISTITEM hItem, CFX_WideString& wsText) { if (!m_pIface) return FWL_Error::Indefinite; return static_cast<IFWL_ListBox*>(m_pIface)->GetItemText(hItem, wsText); } FWL_Error CFWL_ListBox::GetScrollPos(FX_FLOAT& fPos, FX_BOOL bVert) { if (!m_pIface) return FWL_Error::Indefinite; return static_cast<IFWL_ListBox*>(m_pIface)->GetScrollPos(fPos, bVert); } FWL_Error CFWL_ListBox::SetItemHeight(FX_FLOAT fItemHeight) { m_ListBoxDP.m_fItemHeight = fItemHeight; return FWL_Error::Succeeded; } FWL_HLISTITEM CFWL_ListBox::GetFocusItem() { for (const auto& hItem : m_ListBoxDP.m_ItemArray) { if (hItem->m_dwStates & FWL_ITEMSTATE_LTB_Focused) return (FWL_HLISTITEM)hItem.get(); } return nullptr; } FWL_Error CFWL_ListBox::SetFocusItem(FWL_HLISTITEM hItem) { int32_t nIndex = m_ListBoxDP.GetItemIndex(GetWidget(), hItem); 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); } FWL_HLISTITEM CFWL_ListBox::GetItem(int32_t nIndex) { if (nIndex < 0 || nIndex >= CountItems()) return nullptr; return (FWL_HLISTITEM)m_ListBoxDP.m_ItemArray[nIndex].get(); } FWL_Error CFWL_ListBox::SetItemString(FWL_HLISTITEM hItem, const CFX_WideStringC& wsText) { if (!hItem) return FWL_Error::Indefinite; reinterpret_cast<CFWL_ListItem*>(hItem)->m_wsText = wsText; return FWL_Error::Succeeded; } FWL_Error CFWL_ListBox::GetItemString(FWL_HLISTITEM hItem, CFX_WideString& wsText) { if (!hItem) return FWL_Error::Indefinite; wsText = reinterpret_cast<CFWL_ListItem*>(hItem)->m_wsText; return FWL_Error::Succeeded; } FWL_Error CFWL_ListBox::SetItemData(FWL_HLISTITEM hItem, void* pData) { if (!hItem) return FWL_Error::Indefinite; reinterpret_cast<CFWL_ListItem*>(hItem)->m_pData = pData; return FWL_Error::Succeeded; } void* CFWL_ListBox::GetItemData(FWL_HLISTITEM hItem) { if (!hItem) return NULL; return reinterpret_cast<CFWL_ListItem*>(hItem)->m_pData; } FWL_HLISTITEM CFWL_ListBox::GetItemAtPoint(FX_FLOAT fx, FX_FLOAT fy) { CFX_RectF rtClient; m_pIface->GetClientRect(rtClient); fx -= rtClient.left; fy -= rtClient.top; FX_FLOAT fPosX = 0; FX_FLOAT fPosY = 0; static_cast<IFWL_ListBox*>(m_pIface)->GetScrollPos(fx); static_cast<IFWL_ListBox*>(m_pIface)->GetScrollPos(fy, FALSE); int32_t nCount = m_ListBoxDP.CountItems(NULL); for (int32_t i = 0; i < nCount; i++) { FWL_HLISTITEM hItem = m_ListBoxDP.GetItem(NULL, i); if (!hItem) { continue; } CFX_RectF rtItem; m_ListBoxDP.GetItemRect(NULL, hItem, rtItem); rtItem.Offset(-fPosX, -fPosY); if (rtItem.Contains(fx, fy)) { return hItem; } } return NULL; } uint32_t CFWL_ListBox::GetItemStates(FWL_HLISTITEM hItem) { if (!hItem) return 0; CFWL_ListItem* pItem = reinterpret_cast<CFWL_ListItem*>(hItem); return pItem->m_dwStates | pItem->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); } FWL_HLISTITEM CFWL_ListBox::CFWL_ListBoxDP::GetItem(IFWL_Widget* pWidget, int32_t nIndex) { if (nIndex < 0 || nIndex >= CountItems(pWidget)) return nullptr; return (FWL_HLISTITEM)m_ItemArray[nIndex].get(); } int32_t CFWL_ListBox::CFWL_ListBoxDP::GetItemIndex(IFWL_Widget* pWidget, FWL_HLISTITEM hItem) { auto it = std::find_if( m_ItemArray.begin(), m_ItemArray.end(), [hItem](const std::unique_ptr<CFWL_ListItem>& candidate) { return candidate.get() == reinterpret_cast<CFWL_ListItem*>(hItem); }); return it != m_ItemArray.end() ? it - m_ItemArray.begin() : -1; } FX_BOOL CFWL_ListBox::CFWL_ListBoxDP::SetItemIndex(IFWL_Widget* pWidget, FWL_HLISTITEM hItem, int32_t nIndex) { if (nIndex < 0 || nIndex >= CountItems(pWidget)) return FALSE; m_ItemArray[nIndex].reset(reinterpret_cast<CFWL_ListItem*>(hItem)); return TRUE; } uint32_t CFWL_ListBox::CFWL_ListBoxDP::GetItemStyles(IFWL_Widget* pWidget, FWL_HLISTITEM hItem) { if (!hItem) return -1; return reinterpret_cast<CFWL_ListItem*>(hItem)->m_dwStates; } FWL_Error CFWL_ListBox::CFWL_ListBoxDP::GetItemText(IFWL_Widget* pWidget, FWL_HLISTITEM hItem, CFX_WideString& wsText) { if (!hItem) return FWL_Error::Indefinite; wsText = reinterpret_cast<CFWL_ListItem*>(hItem)->m_wsText; return FWL_Error::Succeeded; } FWL_Error CFWL_ListBox::CFWL_ListBoxDP::GetItemRect(IFWL_Widget* pWidget, FWL_HLISTITEM hItem, CFX_RectF& rtItem) { if (!hItem) return FWL_Error::Indefinite; CFWL_ListItem* pItem = reinterpret_cast<CFWL_ListItem*>(hItem); rtItem = pItem->m_rtItem; return FWL_Error::Succeeded; } void* CFWL_ListBox::CFWL_ListBoxDP::GetItemData(IFWL_Widget* pWidget, FWL_HLISTITEM hItem) { if (!hItem) return NULL; CFWL_ListItem* pItem = reinterpret_cast<CFWL_ListItem*>(hItem); return pItem->m_pData; } FWL_Error CFWL_ListBox::CFWL_ListBoxDP::SetItemStyles(IFWL_Widget* pWidget, FWL_HLISTITEM hItem, uint32_t dwStyle) { if (!hItem) return FWL_Error::Indefinite; reinterpret_cast<CFWL_ListItem*>(hItem)->m_dwStates = dwStyle; return FWL_Error::Succeeded; } FWL_Error CFWL_ListBox::CFWL_ListBoxDP::SetItemText(IFWL_Widget* pWidget, FWL_HLISTITEM hItem, const FX_WCHAR* pszText) { if (!hItem) return FWL_Error::Indefinite; reinterpret_cast<CFWL_ListItem*>(hItem)->m_wsText = pszText; return FWL_Error::Succeeded; } FWL_Error CFWL_ListBox::CFWL_ListBoxDP::SetItemRect(IFWL_Widget* pWidget, FWL_HLISTITEM hItem, const CFX_RectF& rtItem) { if (!hItem) return FWL_Error::Indefinite; reinterpret_cast<CFWL_ListItem*>(hItem)->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, FWL_HLISTITEM hItem) { return reinterpret_cast<CFWL_ListItem*>(hItem)->m_pDIB; } FWL_Error CFWL_ListBox::CFWL_ListBoxDP::GetItemCheckRect(IFWL_Widget* pWidget, FWL_HLISTITEM hItem, CFX_RectF& rtCheck) { rtCheck = reinterpret_cast<CFWL_ListItem*>(hItem)->m_rtCheckBox; return FWL_Error::Succeeded; } FWL_Error CFWL_ListBox::CFWL_ListBoxDP::SetItemCheckRect( IFWL_Widget* pWidget, FWL_HLISTITEM hItem, const CFX_RectF& rtCheck) { reinterpret_cast<CFWL_ListItem*>(hItem)->m_rtCheckBox = rtCheck; return FWL_Error::Succeeded; } uint32_t CFWL_ListBox::CFWL_ListBoxDP::GetItemCheckState(IFWL_Widget* pWidget, FWL_HLISTITEM hItem) { return reinterpret_cast<CFWL_ListItem*>(hItem)->m_dwCheckState; } FWL_Error CFWL_ListBox::CFWL_ListBoxDP::SetItemCheckState( IFWL_Widget* pWidget, FWL_HLISTITEM hItem, uint32_t dwCheckState) { reinterpret_cast<CFWL_ListItem*>(hItem)->m_dwCheckState = dwCheckState; return FWL_Error::Succeeded; }