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// Copyright 2016 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 FPDFSDK_CPDFSDK_WIDGET_H_
#define FPDFSDK_CPDFSDK_WIDGET_H_
#include "core/fpdfdoc/cpdf_aaction.h"
#include "core/fpdfdoc/cpdf_action.h"
#include "core/fpdfdoc/cpdf_annot.h"
#include "core/fpdfdoc/cpdf_formfield.h"
#include "core/fxcrt/fx_coordinates.h"
#include "core/fxcrt/fx_string.h"
#include "core/fxcrt/unowned_ptr.h"
#include "core/fxge/cfx_color.h"
#include "fpdfsdk/cpdfsdk_baannot.h"
#include "fpdfsdk/cpdfsdk_fieldaction.h"
#include "third_party/base/optional.h"
class CFX_RenderDevice;
class CPDF_Annot;
class CPDF_Dictionary;
class CPDF_FormControl;
class CPDF_FormField;
class CPDF_RenderOptions;
class CPDF_Stream;
class CPDFSDK_InterForm;
class CPDFSDK_PageView;
#ifdef PDF_ENABLE_XFA
class CXFA_FFWidget;
class CXFA_FFWidgetHandler;
#endif // PDF_ENABLE_XFA
class CPDFSDK_Widget final : public CPDFSDK_BAAnnot {
public:
#ifdef PDF_ENABLE_XFA
CXFA_FFWidget* GetMixXFAWidget() const;
CXFA_FFWidgetHandler* GetXFAWidgetHandler() const;
bool HasXFAAAction(PDFSDK_XFAAActionType eXFAAAT) const;
bool OnXFAAAction(PDFSDK_XFAAActionType eXFAAAT,
CPDFSDK_FieldAction* data,
CPDFSDK_PageView* pPageView);
void Synchronize(bool bSynchronizeElse);
#endif // PDF_ENABLE_XFA
CPDFSDK_Widget(CPDF_Annot* pAnnot,
CPDFSDK_PageView* pPageView,
CPDFSDK_InterForm* pInterForm);
~CPDFSDK_Widget() override;
bool IsSignatureWidget() const override;
CPDF_Action GetAAction(CPDF_AAction::AActionType eAAT) override;
bool IsAppearanceValid() override;
int GetLayoutOrder() const override;
FormFieldType GetFieldType() const;
int GetFieldFlags() const;
int GetRotate() const;
Optional<FX_COLORREF> GetFillColor() const;
Optional<FX_COLORREF> GetBorderColor() const;
Optional<FX_COLORREF> GetTextColor() const;
float GetFontSize() const;
int GetSelectedIndex(int nIndex) const;
WideString GetValue() const;
WideString GetDefaultValue() const;
WideString GetOptionLabel(int nIndex) const;
int CountOptions() const;
bool IsOptionSelected(int nIndex) const;
int GetTopVisibleIndex() const;
bool IsChecked() const;
int GetAlignment() const;
int GetMaxLen() const;
WideString GetAlternateName() const;
void SetCheck(bool bChecked, NotificationOption notify);
void SetValue(const WideString& sValue, NotificationOption notify);
void SetOptionSelection(int index, bool bSelected, NotificationOption notify);
void ClearSelection(NotificationOption notify);
void SetTopVisibleIndex(int index);
#ifdef PDF_ENABLE_XFA
void ResetAppearance(bool bValueChanged);
#endif // PDF_ENABLE_XFA
void ResetAppearance(Optional<WideString> sValue, bool bValueChanged);
void ResetFieldAppearance(bool bValueChanged);
void UpdateField();
Optional<WideString> OnFormat();
bool OnAAction(CPDF_AAction::AActionType type,
CPDFSDK_FieldAction* data,
CPDFSDK_PageView* pPageView);
CPDFSDK_InterForm* GetInterForm() const { return m_pInterForm.Get(); }
CPDF_FormField* GetFormField() const;
CPDF_FormControl* GetFormControl() const;
void DrawShadow(CFX_RenderDevice* pDevice, CPDFSDK_PageView* pPageView);
void SetAppModified();
void ClearAppModified();
bool IsAppModified() const;
uint32_t GetAppearanceAge() const { return m_nAppearanceAge; }
uint32_t GetValueAge() const { return m_nValueAge; }
bool IsWidgetAppearanceValid(CPDF_Annot::AppearanceMode mode);
void DrawAppearance(CFX_RenderDevice* pDevice,
const CFX_Matrix& mtUser2Device,
CPDF_Annot::AppearanceMode mode,
const CPDF_RenderOptions* pOptions) override;
CFX_Matrix GetMatrix() const;
CFX_FloatRect GetClientRect() const;
CFX_FloatRect GetRotatedRect() const;
CFX_Color GetTextPWLColor() const;
CFX_Color GetBorderPWLColor() const;
CFX_Color GetFillPWLColor() const;
private:
#ifdef PDF_ENABLE_XFA
CXFA_FFWidget* GetGroupMixXFAWidget() const;
WideString GetName() const;
#endif // PDF_ENABLE_XFA
UnownedPtr<CPDFSDK_InterForm> const m_pInterForm;
bool m_bAppModified = false;
uint32_t m_nAppearanceAge = 0;
uint32_t m_nValueAge = 0;
#ifdef PDF_ENABLE_XFA
mutable UnownedPtr<CXFA_FFWidget> m_hMixXFAWidget;
mutable UnownedPtr<CXFA_FFWidgetHandler> m_pWidgetHandler;
#endif // PDF_ENABLE_XFA
};
inline CPDFSDK_Widget* ToCPDFSDKWidget(CPDFSDK_Annot* pAnnot) {
return pAnnot && pAnnot->GetAnnotSubtype() == CPDF_Annot::Subtype::WIDGET
? static_cast<CPDFSDK_Widget*>(pAnnot)
: nullptr;
}
#endif // FPDFSDK_CPDFSDK_WIDGET_H_
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