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// 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() {
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) {
return pdfium::CollectionSize<int32_t>(m_ItemArray);
}
CFWL_ListItem* CFWL_ListBox::GetItem(const IFWL_Widget* pWidget,
int32_t nIndex) {
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;
}
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