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// Copyright 2017 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
#ifndef XFA_FXFA_CXFA_FFCOMBOBOX_H_
#define XFA_FXFA_CXFA_FFCOMBOBOX_H_
#include "core/fxcrt/unowned_ptr.h"
#include "xfa/fxfa/cxfa_ffdropdown.h"
class CXFA_EventParam;
class CXFA_FFComboBox final : public CXFA_FFDropDown {
public:
explicit CXFA_FFComboBox(CXFA_Node* pNode);
~CXFA_FFComboBox() override;
// CXFA_FFDropDown:
CXFA_FFComboBox* AsComboBox() override;
// CXFA_FFField
CFX_RectF GetBBox(FocusOption focus) override;
bool LoadWidget() override;
void UpdateWidgetProperty() override;
bool OnRButtonUp(uint32_t dwFlags, const CFX_PointF& point) override;
bool OnKillFocus(CXFA_FFWidget* pNewWidget) override WARN_UNUSED_RESULT;
bool CanUndo() override;
bool CanRedo() override;
bool Undo() override;
bool Redo() override;
bool CanCopy() override;
bool CanCut() override;
bool CanPaste() override;
bool CanSelectAll() override;
Optional<WideString> Copy() override;
Optional<WideString> Cut() override;
bool Paste(const WideString& wsPaste) override;
void SelectAll() override;
void Delete() override;
void DeSelect() override;
WideString GetText() override;
FormFieldType GetFormFieldType() override;
// IFWL_WidgetDelegate
void OnProcessMessage(CFWL_Message* pMessage) override;
void OnProcessEvent(CFWL_Event* pEvent) override;
void OnDrawWidget(CXFA_Graphics* pGraphics,
const CFX_Matrix& matrix) override;
// CXFA_FFDropDown
void InsertItem(const WideString& wsLabel, int32_t nIndex) override;
void DeleteItem(int32_t nIndex) override;
void OpenDropDownList();
void OnTextChanged(CFWL_Widget* pWidget, const WideString& wsChanged);
void OnSelectChanged(CFWL_Widget* pWidget, bool bLButtonUp);
void OnPreOpen(CFWL_Widget* pWidget);
void OnPostOpen(CFWL_Widget* pWidget);
void SetItemState(int32_t nIndex, bool bSelected);
private:
// CXFA_FFField:
bool PtInActiveRect(const CFX_PointF& point) override;
bool CommitData() override;
bool UpdateFWLData() override;
bool IsDataChanged() override;
uint32_t GetAlignment();
void FWLEventSelChange(CXFA_EventParam* pParam);
WideString GetCurrentText() const;
WideString m_wsNewValue;
UnownedPtr<IFWL_WidgetDelegate> m_pOldDelegate;
};
#endif // XFA_FXFA_CXFA_FFCOMBOBOX_H_