197 lines
6.8 KiB
C++
197 lines
6.8 KiB
C++
// Copyright 2016 The PDFium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#ifndef FPDFSDK_CPDFSDK_WIDGET_H_
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#define FPDFSDK_CPDFSDK_WIDGET_H_
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#include "core/fpdfdoc/cpdf_aaction.h"
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#include "core/fpdfdoc/cpdf_action.h"
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#include "core/fpdfdoc/cpdf_annot.h"
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#include "core/fpdfdoc/cpdf_formfield.h"
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#include "core/fxcrt/fx_coordinates.h"
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#include "core/fxcrt/unowned_ptr.h"
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#include "core/fxcrt/widestring.h"
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#include "core/fxge/cfx_color.h"
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#include "fpdfsdk/cpdfsdk_baannot.h"
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#include "third_party/abseil-cpp/absl/types/optional.h"
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class CFFL_InteractiveFormFiller;
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class CFX_RenderDevice;
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class CPDF_Annot;
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class CPDF_FormControl;
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class CPDF_FormField;
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class CPDFSDK_FormFillEnvironment;
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class CPDFSDK_InteractiveForm;
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class CPDFSDK_PageView;
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struct CFFL_FieldAction;
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#ifdef PDF_ENABLE_XFA
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class CXFA_FFWidget;
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class CXFA_FFWidgetHandler;
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enum PDFSDK_XFAAActionType {
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PDFSDK_XFA_Click = 0,
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PDFSDK_XFA_Full,
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PDFSDK_XFA_PreOpen,
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PDFSDK_XFA_PostOpen
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};
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#endif // PDF_ENABLE_XFA
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class CPDFSDK_Widget final : public CPDFSDK_BAAnnot {
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public:
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enum ValueChanged : bool { kValueUnchanged = false, kValueChanged = true };
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CPDFSDK_Widget(CPDF_Annot* pAnnot,
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CPDFSDK_PageView* pPageView,
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CPDFSDK_InteractiveForm* pInteractiveForm);
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~CPDFSDK_Widget() override;
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// CPDFSDK_BAAnnot:
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void OnLoad() override;
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CPDF_Action GetAAction(CPDF_AAction::AActionType eAAT) override;
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bool IsAppearanceValid() override;
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int GetLayoutOrder() const override;
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void OnDraw(CFX_RenderDevice* pDevice,
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const CFX_Matrix& mtUser2Device,
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bool bDrawAnnots) override;
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bool DoHitTest(const CFX_PointF& point) override;
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CFX_FloatRect GetViewBBox() override;
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bool CanUndo() override;
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bool CanRedo() override;
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bool Undo() override;
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bool Redo() override;
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WideString GetText() override;
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WideString GetSelectedText() override;
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void ReplaceAndKeepSelection(const WideString& text) override;
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void ReplaceSelection(const WideString& text) override;
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bool SelectAllText() override;
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bool SetIndexSelected(int index, bool selected) override;
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bool IsIndexSelected(int index) override;
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void DrawAppearance(CFX_RenderDevice* pDevice,
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const CFX_Matrix& mtUser2Device,
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CPDF_Annot::AppearanceMode mode) override;
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bool IsSignatureWidget() const;
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void SetRect(const CFX_FloatRect& rect);
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FormFieldType GetFieldType() const;
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int GetFieldFlags() const;
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int GetRotate() const;
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absl::optional<FX_COLORREF> GetFillColor() const;
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absl::optional<FX_COLORREF> GetBorderColor() const;
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absl::optional<FX_COLORREF> GetTextColor() const;
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float GetFontSize() const;
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int GetSelectedIndex(int nIndex) const;
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WideString GetValue() const;
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WideString GetExportValue() const;
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WideString GetOptionLabel(int nIndex) const;
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WideString GetSelectExportText(int nIndex) const;
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int CountOptions() const;
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bool IsOptionSelected(int nIndex) const;
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int GetTopVisibleIndex() const;
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bool IsChecked() const;
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int GetAlignment() const;
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int GetMaxLen() const;
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void SetCheck(bool bChecked);
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void SetValue(const WideString& sValue);
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void SetOptionSelection(int index);
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void ClearSelection();
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void SetTopVisibleIndex(int index);
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#ifdef PDF_ENABLE_XFA
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CXFA_FFWidget* GetMixXFAWidget() const;
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bool HasXFAAAction(PDFSDK_XFAAActionType eXFAAAT) const;
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bool OnXFAAAction(PDFSDK_XFAAActionType eXFAAAT,
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CFFL_FieldAction* data,
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const CPDFSDK_PageView* pPageView);
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void Synchronize(bool bSynchronizeElse);
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// TODO(thestig): Figure out if the parameter should be used or removed.
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void ResetXFAAppearance(ValueChanged bValueChanged);
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#endif // PDF_ENABLE_XFA
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void ResetAppearance(absl::optional<WideString> sValue,
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ValueChanged bValueChanged);
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void ResetFieldAppearance();
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void UpdateField();
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absl::optional<WideString> OnFormat();
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bool OnAAction(CPDF_AAction::AActionType type,
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CFFL_FieldAction* data,
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const CPDFSDK_PageView* pPageView);
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CPDF_FormField* GetFormField() const;
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CPDF_FormControl* GetFormControl() const;
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void DrawShadow(CFX_RenderDevice* pDevice, CPDFSDK_PageView* pPageView);
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void SetAppModified();
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void ClearAppModified();
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bool IsAppModified() const;
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uint32_t GetAppearanceAge() const { return m_nAppearanceAge; }
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uint32_t GetValueAge() const { return m_nValueAge; }
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bool IsWidgetAppearanceValid(CPDF_Annot::AppearanceMode mode) const;
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bool IsPushHighlighted() const;
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CFX_Matrix GetMatrix() const;
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CFX_FloatRect GetClientRect() const;
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CFX_FloatRect GetRotatedRect() const;
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CFX_Color GetTextPWLColor() const;
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CFX_Color GetBorderPWLColor() const;
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CFX_Color GetFillPWLColor() const;
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private:
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// CPDFSDK_Annot::UnsafeInputHandlers:
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void OnMouseEnter(Mask<FWL_EVENTFLAG> nFlags) override;
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void OnMouseExit(Mask<FWL_EVENTFLAG> nFlags) override;
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bool OnLButtonDown(Mask<FWL_EVENTFLAG> nFlags,
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const CFX_PointF& point) override;
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bool OnLButtonUp(Mask<FWL_EVENTFLAG> nFlags,
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const CFX_PointF& point) override;
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bool OnLButtonDblClk(Mask<FWL_EVENTFLAG> nFlags,
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const CFX_PointF& point) override;
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bool OnMouseMove(Mask<FWL_EVENTFLAG> nFlags,
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const CFX_PointF& point) override;
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bool OnMouseWheel(Mask<FWL_EVENTFLAG> nFlags,
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const CFX_PointF& point,
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const CFX_Vector& delta) override;
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bool OnRButtonDown(Mask<FWL_EVENTFLAG> nFlags,
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const CFX_PointF& point) override;
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bool OnRButtonUp(Mask<FWL_EVENTFLAG> nFlags,
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const CFX_PointF& point) override;
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bool OnChar(uint32_t nChar, Mask<FWL_EVENTFLAG> nFlags) override;
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bool OnKeyDown(FWL_VKEYCODE nKeyCode, Mask<FWL_EVENTFLAG> nFlags) override;
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bool OnSetFocus(Mask<FWL_EVENTFLAG> nFlags) override;
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bool OnKillFocus(Mask<FWL_EVENTFLAG> nFlags) override;
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CFFL_InteractiveFormFiller* GetInteractiveFormFiller();
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#ifdef PDF_ENABLE_XFA
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CXFA_FFWidgetHandler* GetXFAWidgetHandler() const;
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CXFA_FFWidget* GetGroupMixXFAWidget() const;
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WideString GetName() const;
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bool HandleXFAAAction(CPDF_AAction::AActionType type,
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CFFL_FieldAction* data,
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CPDFSDK_FormFillEnvironment* pFormFillEnv);
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#endif // PDF_ENABLE_XFA
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UnownedPtr<CPDFSDK_InteractiveForm> const m_pInteractiveForm;
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bool m_bAppModified = false;
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uint32_t m_nAppearanceAge = 0;
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uint32_t m_nValueAge = 0;
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};
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inline CPDFSDK_Widget* ToCPDFSDKWidget(CPDFSDK_Annot* pAnnot) {
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return pAnnot && pAnnot->GetAnnotSubtype() == CPDF_Annot::Subtype::WIDGET
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? static_cast<CPDFSDK_Widget*>(pAnnot)
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: nullptr;
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}
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#endif // FPDFSDK_CPDFSDK_WIDGET_H_
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