Move xfa/include/fwl/{theme,lightwidget} to xfa/fwl

This CL moves and splits the remaining FWL files out of xfa/include and into
their proper locations.

Review URL: https://codereview.chromium.org/1834323003
diff --git a/xfa/fwl/lightwidget/cfwl_combobox.cpp b/xfa/fwl/lightwidget/cfwl_combobox.cpp
new file mode 100644
index 0000000..bdcc36f
--- /dev/null
+++ b/xfa/fwl/lightwidget/cfwl_combobox.cpp
@@ -0,0 +1,432 @@
+// 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_combobox.h"
+
+#include <utility>
+
+#include "xfa/fwl/core/fwl_error.h"
+#include "xfa/fwl/core/ifwl_widget.h"
+
+CFWL_ComboBox* CFWL_ComboBox::Create() {
+  return new CFWL_ComboBox;
+}
+
+FWL_ERR CFWL_ComboBox::Initialize(const CFWL_WidgetProperties* pProperties) {
+  if (m_pIface)
+    return FWL_ERR_Indefinite;
+  if (pProperties) {
+    *m_pProperties = *pProperties;
+  }
+  std::unique_ptr<IFWL_ComboBox> pComboBox(IFWL_ComboBox::Create(
+      m_pProperties->MakeWidgetImpProperties(&m_comboBoxData)));
+  FWL_ERR ret = pComboBox->Initialize();
+  if (ret != FWL_ERR_Succeeded) {
+    return ret;
+  }
+  m_pIface = pComboBox.release();
+  CFWL_Widget::Initialize();
+  return FWL_ERR_Succeeded;
+}
+
+int32_t CFWL_ComboBox::AddString(const CFX_WideStringC& wsText) {
+  std::unique_ptr<CFWL_ComboBoxItem> pItem(new CFWL_ComboBoxItem);
+  pItem->m_wsText = wsText;
+  pItem->m_dwStyles = 0;
+  m_comboBoxData.m_ItemArray.push_back(std::move(pItem));
+  return m_comboBoxData.m_ItemArray.size() - 1;
+}
+
+int32_t CFWL_ComboBox::AddString(const CFX_WideStringC& wsText,
+                                 CFX_DIBitmap* pIcon) {
+  std::unique_ptr<CFWL_ComboBoxItem> pItem(new CFWL_ComboBoxItem);
+  pItem->m_wsText = wsText;
+  pItem->m_dwStyles = 0;
+  pItem->m_pDIB = pIcon;
+  m_comboBoxData.m_ItemArray.push_back(std::move(pItem));
+  return m_comboBoxData.m_ItemArray.size() - 1;
+}
+
+bool CFWL_ComboBox::RemoveAt(int32_t iIndex) {
+  if (iIndex < 0 ||
+      static_cast<size_t>(iIndex) >= m_comboBoxData.m_ItemArray.size()) {
+    return false;
+  }
+  m_comboBoxData.m_ItemArray.erase(m_comboBoxData.m_ItemArray.begin() + iIndex);
+  return true;
+}
+
+void CFWL_ComboBox::RemoveAll() {
+  m_comboBoxData.m_ItemArray.clear();
+}
+
+int32_t CFWL_ComboBox::CountItems() {
+  return m_comboBoxData.CountItems(GetWidget());
+}
+
+FWL_ERR CFWL_ComboBox::GetTextByIndex(int32_t iIndex, CFX_WideString& wsText) {
+  CFWL_ComboBoxItem* pItem = reinterpret_cast<CFWL_ComboBoxItem*>(
+      m_comboBoxData.GetItem(m_pIface, iIndex));
+  if (!pItem)
+    return FWL_ERR_Indefinite;
+  wsText = pItem->m_wsText;
+  return FWL_ERR_Succeeded;
+}
+
+int32_t CFWL_ComboBox::GetCurSel() {
+  if (!m_pIface)
+    return -1;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->GetCurSel();
+}
+
+FWL_ERR CFWL_ComboBox::SetCurSel(int32_t iSel) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->SetCurSel(iSel);
+}
+
+FWL_ERR CFWL_ComboBox::SetEditText(const CFX_WideStringC& wsText) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->SetEditText(wsText);
+}
+
+int32_t CFWL_ComboBox::GetEditTextLength() const {
+  if (!m_pIface)
+    return 0;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->GetEditTextLength();
+}
+
+FWL_ERR CFWL_ComboBox::GetEditText(CFX_WideString& wsText,
+                                   int32_t nStart,
+                                   int32_t nCount) const {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return static_cast<IFWL_ComboBox*>(m_pIface)
+      ->GetEditText(wsText, nStart, nCount);
+}
+
+FWL_ERR CFWL_ComboBox::SetEditSelRange(int32_t nStart, int32_t nCount) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->SetEditSelRange(nStart, nCount);
+}
+
+int32_t CFWL_ComboBox::GetEditSelRange(int32_t nIndex, int32_t& nStart) {
+  if (!m_pIface)
+    return 0;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->GetEditSelRange(nIndex, nStart);
+}
+
+int32_t CFWL_ComboBox::GetEditLimit() {
+  if (!m_pIface)
+    return 0;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->GetEditLimit();
+}
+
+FWL_ERR CFWL_ComboBox::SetEditLimit(int32_t nLimit) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->SetEditLimit(nLimit);
+}
+
+FWL_ERR CFWL_ComboBox::EditDoClipboard(int32_t iCmd) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->EditDoClipboard(iCmd);
+}
+
+FX_BOOL CFWL_ComboBox::EditRedo(const CFX_ByteStringC& bsRecord) {
+  if (!m_pIface)
+    return FALSE;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->EditRedo(bsRecord);
+}
+
+FX_BOOL CFWL_ComboBox::EditUndo(const CFX_ByteStringC& bsRecord) {
+  if (!m_pIface)
+    return FALSE;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->EditUndo(bsRecord);
+}
+
+FWL_ERR CFWL_ComboBox::SetMaxListHeight(FX_FLOAT fMaxHeight) {
+  m_comboBoxData.m_fMaxListHeight = fMaxHeight;
+  return FWL_ERR_Succeeded;
+}
+
+FWL_ERR CFWL_ComboBox::SetItemData(int32_t iIndex, void* pData) {
+  CFWL_ComboBoxItem* pItem = reinterpret_cast<CFWL_ComboBoxItem*>(
+      m_comboBoxData.GetItem(m_pIface, iIndex));
+  if (!pItem)
+    return FWL_ERR_Indefinite;
+  pItem->m_pData = pData;
+  return FWL_ERR_Succeeded;
+}
+
+void* CFWL_ComboBox::GetItemData(int32_t iIndex) {
+  CFWL_ComboBoxItem* pItem = reinterpret_cast<CFWL_ComboBoxItem*>(
+      m_comboBoxData.GetItem(m_pIface, iIndex));
+  if (!pItem)
+    return NULL;
+  return pItem->m_pData;
+}
+
+FWL_ERR CFWL_ComboBox::SetListTheme(IFWL_ThemeProvider* pTheme) {
+  return static_cast<IFWL_ComboBox*>(m_pIface)->GetListBoxt()->SetThemeProvider(
+      pTheme);
+}
+
+FX_BOOL CFWL_ComboBox::AfterFocusShowDropList() {
+  return static_cast<IFWL_ComboBox*>(m_pIface)->AfterFocusShowDropList();
+}
+
+FWL_ERR CFWL_ComboBox::OpenDropDownList(FX_BOOL bActivate) {
+  return static_cast<IFWL_ComboBox*>(m_pIface)->OpenDropDownList(bActivate);
+}
+
+FX_BOOL CFWL_ComboBox::EditCanUndo() {
+  if (!m_pIface)
+    return FALSE;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->EditCanUndo();
+}
+
+FX_BOOL CFWL_ComboBox::EditCanRedo() {
+  if (!m_pIface)
+    return FALSE;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->EditCanRedo();
+}
+
+FX_BOOL CFWL_ComboBox::EditUndo() {
+  if (!m_pIface)
+    return FALSE;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->EditUndo();
+}
+
+FX_BOOL CFWL_ComboBox::EditRedo() {
+  if (!m_pIface)
+    return FALSE;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->EditRedo();
+}
+
+FX_BOOL CFWL_ComboBox::EditCanCopy() {
+  if (!m_pIface)
+    return FALSE;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->EditCanCopy();
+}
+
+FX_BOOL CFWL_ComboBox::EditCanCut() {
+  if (!m_pIface)
+    return FALSE;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->EditCanCut();
+}
+
+FX_BOOL CFWL_ComboBox::EditCanSelectAll() {
+  if (!m_pIface)
+    return FALSE;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->EditCanSelectAll();
+}
+
+FX_BOOL CFWL_ComboBox::EditCopy(CFX_WideString& wsCopy) {
+  if (!m_pIface)
+    return FALSE;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->EditCopy(wsCopy);
+}
+
+FX_BOOL CFWL_ComboBox::EditCut(CFX_WideString& wsCut) {
+  if (!m_pIface)
+    return FALSE;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->EditCut(wsCut);
+}
+
+FX_BOOL CFWL_ComboBox::EditPaste(const CFX_WideString& wsPaste) {
+  if (!m_pIface)
+    return FALSE;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->EditPaste(wsPaste);
+}
+
+FX_BOOL CFWL_ComboBox::EditSelectAll() {
+  if (!m_pIface)
+    return FALSE;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->EditSelectAll();
+}
+
+FX_BOOL CFWL_ComboBox::EditDelete() {
+  if (!m_pIface)
+    return FALSE;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->EditDelete();
+}
+
+FX_BOOL CFWL_ComboBox::EditDeSelect() {
+  if (!m_pIface)
+    return FALSE;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->EditDeSelect();
+}
+
+FWL_ERR CFWL_ComboBox::GetBBox(CFX_RectF& rect) {
+  if (!m_pIface)
+    return FALSE;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->GetBBox(rect);
+}
+
+FWL_ERR CFWL_ComboBox::EditModifyStylesEx(uint32_t dwStylesExAdded,
+                                          uint32_t dwStylesExRemoved) {
+  if (!m_pIface)
+    return FALSE;
+  return static_cast<IFWL_ComboBox*>(m_pIface)
+      ->EditModifyStylesEx(dwStylesExAdded, dwStylesExRemoved);
+}
+
+CFWL_ComboBox::CFWL_ComboBox() {}
+
+CFWL_ComboBox::~CFWL_ComboBox() {}
+
+CFWL_ComboBox::CFWL_ComboBoxDP::CFWL_ComboBoxDP() {
+  m_fItemHeight = 0;
+  m_fMaxListHeight = 0;
+}
+
+CFWL_ComboBox::CFWL_ComboBoxDP::~CFWL_ComboBoxDP() {}
+
+int32_t CFWL_ComboBox::CFWL_ComboBoxDP::CountItems(IFWL_Widget* pWidget) {
+  return m_ItemArray.size();
+}
+
+FWL_HLISTITEM CFWL_ComboBox::CFWL_ComboBoxDP::GetItem(IFWL_Widget* pWidget,
+                                                      int32_t nIndex) {
+  if (nIndex < 0 || static_cast<size_t>(nIndex) >= m_ItemArray.size())
+    return nullptr;
+
+  return reinterpret_cast<FWL_HLISTITEM>(m_ItemArray[nIndex].get());
+}
+
+int32_t CFWL_ComboBox::CFWL_ComboBoxDP::GetItemIndex(IFWL_Widget* pWidget,
+                                                     FWL_HLISTITEM hItem) {
+  auto it = std::find_if(
+      m_ItemArray.begin(), m_ItemArray.end(),
+      [hItem](const std::unique_ptr<CFWL_ComboBoxItem>& candidate) {
+        return candidate.get() == reinterpret_cast<CFWL_ComboBoxItem*>(hItem);
+      });
+  return it != m_ItemArray.end() ? it - m_ItemArray.begin() : -1;
+}
+
+FX_BOOL CFWL_ComboBox::CFWL_ComboBoxDP::SetItemIndex(IFWL_Widget* pWidget,
+                                                     FWL_HLISTITEM hItem,
+                                                     int32_t nIndex) {
+  if (nIndex < 0 || static_cast<size_t>(nIndex) >= m_ItemArray.size())
+    return FALSE;
+
+  m_ItemArray[nIndex].reset(reinterpret_cast<CFWL_ComboBoxItem*>(hItem));
+  return TRUE;
+}
+
+uint32_t CFWL_ComboBox::CFWL_ComboBoxDP::GetItemStyles(IFWL_Widget* pWidget,
+                                                       FWL_HLISTITEM hItem) {
+  if (!hItem)
+    return 0;
+  return reinterpret_cast<CFWL_ComboBoxItem*>(hItem)->m_dwStyles;
+}
+
+FWL_ERR CFWL_ComboBox::CFWL_ComboBoxDP::GetItemText(IFWL_Widget* pWidget,
+                                                    FWL_HLISTITEM hItem,
+                                                    CFX_WideString& wsText) {
+  if (!hItem)
+    return FWL_ERR_Indefinite;
+  wsText = reinterpret_cast<CFWL_ComboBoxItem*>(hItem)->m_wsText;
+  return FWL_ERR_Succeeded;
+}
+
+FWL_ERR CFWL_ComboBox::CFWL_ComboBoxDP::GetItemRect(IFWL_Widget* pWidget,
+                                                    FWL_HLISTITEM hItem,
+                                                    CFX_RectF& rtItem) {
+  if (!hItem)
+    return FWL_ERR_Indefinite;
+  CFWL_ComboBoxItem* pItem = reinterpret_cast<CFWL_ComboBoxItem*>(hItem);
+  rtItem.Set(pItem->m_rtItem.left, pItem->m_rtItem.top, pItem->m_rtItem.width,
+             pItem->m_rtItem.height);
+  return FWL_ERR_Succeeded;
+}
+
+void* CFWL_ComboBox::CFWL_ComboBoxDP::GetItemData(IFWL_Widget* pWidget,
+                                                  FWL_HLISTITEM hItem) {
+  if (!hItem)
+    return NULL;
+  CFWL_ComboBoxItem* pItem = reinterpret_cast<CFWL_ComboBoxItem*>(hItem);
+  return pItem->m_pData;
+}
+
+FWL_ERR CFWL_ComboBox::CFWL_ComboBoxDP::SetItemStyles(IFWL_Widget* pWidget,
+                                                      FWL_HLISTITEM hItem,
+                                                      uint32_t dwStyle) {
+  if (!hItem)
+    return FWL_ERR_Indefinite;
+  reinterpret_cast<CFWL_ComboBoxItem*>(hItem)->m_dwStyles = dwStyle;
+  return FWL_ERR_Succeeded;
+}
+
+FWL_ERR CFWL_ComboBox::CFWL_ComboBoxDP::SetItemText(IFWL_Widget* pWidget,
+                                                    FWL_HLISTITEM hItem,
+                                                    const FX_WCHAR* pszText) {
+  if (!hItem)
+    return FWL_ERR_Indefinite;
+  reinterpret_cast<CFWL_ComboBoxItem*>(hItem)->m_wsText = pszText;
+  return FWL_ERR_Succeeded;
+}
+
+FWL_ERR CFWL_ComboBox::CFWL_ComboBoxDP::SetItemRect(IFWL_Widget* pWidget,
+                                                    FWL_HLISTITEM hItem,
+                                                    const CFX_RectF& rtItem) {
+  if (!hItem)
+    return FWL_ERR_Indefinite;
+  reinterpret_cast<CFWL_ComboBoxItem*>(hItem)->m_rtItem = rtItem;
+  return FWL_ERR_Succeeded;
+}
+
+FX_FLOAT CFWL_ComboBox::CFWL_ComboBoxDP::GetItemHeight(IFWL_Widget* pWidget) {
+  return m_fItemHeight;
+}
+
+CFX_DIBitmap* CFWL_ComboBox::CFWL_ComboBoxDP::GetItemIcon(IFWL_Widget* pWidget,
+                                                          FWL_HLISTITEM hItem) {
+  if (!hItem)
+    return NULL;
+  return reinterpret_cast<CFWL_ComboBoxItem*>(hItem)->m_pDIB;
+}
+
+FWL_ERR CFWL_ComboBox::CFWL_ComboBoxDP::GetItemCheckRect(IFWL_Widget* pWidget,
+                                                         FWL_HLISTITEM hItem,
+                                                         CFX_RectF& rtCheck) {
+  CFWL_ComboBoxItem* pItem = reinterpret_cast<CFWL_ComboBoxItem*>(hItem);
+  rtCheck = pItem->m_rtCheckBox;
+  return FWL_ERR_Succeeded;
+}
+
+FWL_ERR CFWL_ComboBox::CFWL_ComboBoxDP::SetItemCheckRect(
+    IFWL_Widget* pWidget,
+    FWL_HLISTITEM hItem,
+    const CFX_RectF& rtCheck) {
+  CFWL_ComboBoxItem* pItem = reinterpret_cast<CFWL_ComboBoxItem*>(hItem);
+  pItem->m_rtCheckBox = rtCheck;
+  return FWL_ERR_Succeeded;
+}
+
+uint32_t CFWL_ComboBox::CFWL_ComboBoxDP::GetItemCheckState(
+    IFWL_Widget* pWidget,
+    FWL_HLISTITEM hItem) {
+  CFWL_ComboBoxItem* pItem = reinterpret_cast<CFWL_ComboBoxItem*>(hItem);
+  return pItem->m_dwCheckState;
+}
+
+FWL_ERR CFWL_ComboBox::CFWL_ComboBoxDP::SetItemCheckState(
+    IFWL_Widget* pWidget,
+    FWL_HLISTITEM hItem,
+    uint32_t dwCheckState) {
+  CFWL_ComboBoxItem* pItem = reinterpret_cast<CFWL_ComboBoxItem*>(hItem);
+  pItem->m_dwCheckState = dwCheckState;
+  return FWL_ERR_Succeeded;
+}
+
+FX_FLOAT CFWL_ComboBox::CFWL_ComboBoxDP::GetListHeight(IFWL_Widget* pWidget) {
+  return m_fMaxListHeight;
+}