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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.
#include <vector>
#include "core/fpdfdoc/cpdf_formfield.h"
#include "core/fxcodec/fx_codec_def.h"
#include "core/fxge/cfx_graphstatedata.h"
#include "xfa/fwl/cfwl_app.h"
#include "xfa/fwl/cfwl_messagemouse.h"
#include "xfa/fxfa/fxfa.h"
#include "xfa/fxfa/layout/cxfa_contentlayoutitem.h"
class CFX_DIBitmap;
class CXFA_Box;
class CXFA_FFPageView;
class CXFA_FFDocView;
class CXFA_FFDoc;
class CXFA_FFApp;
class CXFA_Graphics;
class CXFA_Image;
class CXFA_Margin;
enum class FWL_WidgetHit;
inline float XFA_UnitPx2Pt(float fPx, float fDpi) {
return fPx * 72.0f / fDpi;
constexpr float kXFAWidgetPrecision = 0.001f;
void XFA_DrawImage(CXFA_Graphics* pGS,
const CFX_RectF& rtImage,
const CFX_Matrix& matrix,
const RetainPtr<CFX_DIBitmap>& pDIBitmap,
XFA_AttributeValue iAspect,
const CFX_Size& dpi,
XFA_AttributeValue iHorzAlign = XFA_AttributeValue::Left,
XFA_AttributeValue iVertAlign = XFA_AttributeValue::Top);
RetainPtr<CFX_DIBitmap> XFA_LoadImageFromBuffer(
const RetainPtr<IFX_SeekableReadStream>& pImageFileRead,
int32_t& iImageXDpi,
int32_t& iImageYDpi);
void XFA_RectWithoutMargin(CFX_RectF* rt, const CXFA_Margin* margin);
CXFA_FFWidget* XFA_GetWidgetFromLayoutItem(CXFA_LayoutItem* pLayoutItem);
class CXFA_CalcData {
std::vector<CXFA_Node*> m_Globals;
int32_t m_iRefCount;
class CXFA_FFWidget : public CXFA_ContentLayoutItem {
enum FocusOption { kDoNotDrawFocus = 0, kDrawFocus };
explicit CXFA_FFWidget(CXFA_Node* pNode);
~CXFA_FFWidget() override;
// CXFA_ContentLayoutItem:
CXFA_FFWidget* AsFFWidget() override;
virtual CFX_RectF GetBBox(uint32_t dwStatus, FocusOption focus);
virtual void RenderWidget(CXFA_Graphics* pGS,
const CFX_Matrix& matrix,
uint32_t dwStatus);
virtual bool IsLoaded();
virtual bool LoadWidget();
virtual bool PerformLayout();
virtual bool UpdateFWLData();
virtual void UpdateWidgetProperty();
virtual bool OnMouseEnter();
virtual bool OnMouseExit();
// |command| must be LeftButtonDown or RightButtonDown.
virtual bool AcceptsFocusOnButtonDown(uint32_t dwFlags,
const CFX_PointF& point,
FWL_MouseCommand command);
virtual void OnLButtonDown(uint32_t dwFlags, const CFX_PointF& point);
virtual bool OnLButtonUp(uint32_t dwFlags, const CFX_PointF& point);
virtual bool OnLButtonDblClk(uint32_t dwFlags, const CFX_PointF& point);
virtual bool OnMouseMove(uint32_t dwFlags, const CFX_PointF& point);
virtual bool OnMouseWheel(uint32_t dwFlags,
int16_t zDelta,
const CFX_PointF& point);
virtual void OnRButtonDown(uint32_t dwFlags, const CFX_PointF& point);
virtual bool OnRButtonUp(uint32_t dwFlags, const CFX_PointF& point);
virtual bool OnRButtonDblClk(uint32_t dwFlags, const CFX_PointF& point);
virtual bool OnSetFocus(CXFA_FFWidget* pOldWidget);
virtual bool OnKillFocus(CXFA_FFWidget* pNewWidget);
virtual bool OnKeyDown(uint32_t dwKeyCode, uint32_t dwFlags);
virtual bool OnKeyUp(uint32_t dwKeyCode, uint32_t dwFlags);
virtual bool OnChar(uint32_t dwChar, uint32_t dwFlags);
virtual FWL_WidgetHit OnHitTest(const CFX_PointF& point);
virtual bool OnSetCursor(const CFX_PointF& point);
virtual bool CanUndo();
virtual bool CanRedo();
virtual bool Undo();
virtual bool Redo();
virtual bool CanCopy();
virtual bool CanCut();
virtual bool CanPaste();
virtual bool CanSelectAll();
virtual bool CanDelete();
virtual bool CanDeSelect();
virtual Optional<WideString> Copy();
virtual Optional<WideString> Cut();
virtual bool Paste(const WideString& wsPaste);
virtual void SelectAll();
virtual void Delete();
virtual void DeSelect();
virtual WideString GetText();
virtual FormFieldType GetFormFieldType();
CXFA_FFPageView* GetPageView() const { return m_pPageView.Get(); }
void SetPageView(CXFA_FFPageView* pPageView) { m_pPageView = pPageView; }
CXFA_FFDocView* GetDocView() const { return m_pDocView.Get(); }
void SetDocView(CXFA_FFDocView* pDocView) { m_pDocView = pDocView; }
const CFX_RectF& GetWidgetRect() const;
const CFX_RectF& RecacheWidgetRect() const;
uint32_t GetStatus();
void ModifyStatus(uint32_t dwAdded, uint32_t dwRemoved);
CXFA_Node* GetNode() const { return m_pNode.Get(); }
CXFA_FFDoc* GetDoc();
CXFA_FFApp* GetApp();
IXFA_AppProvider* GetAppProvider();
void InvalidateRect();
bool IsFocused() const { return !!(m_dwStatus & XFA_WidgetStatus_Focused); }
CFX_PointF Rotate2Normal(const CFX_PointF& point);
CFX_Matrix GetRotateMatrix();
bool IsLayoutRectEmpty();
CXFA_LayoutItem* GetParent();
bool IsAncestorOf(CXFA_FFWidget* pWidget);
const CFWL_App* GetFWLApp();
virtual bool PtInActiveRect(const CFX_PointF& point);
void DrawBorder(CXFA_Graphics* pGS,
CXFA_Box* box,
const CFX_RectF& rtBorder,
const CFX_Matrix& matrix);
void DrawBorderWithFlag(CXFA_Graphics* pGS,
CXFA_Box* box,
const CFX_RectF& rtBorder,
const CFX_Matrix& matrix,
bool forceRound);
CFX_RectF GetRectWithoutRotate();
bool IsMatchVisibleStatus(uint32_t dwStatus);
void EventKillFocus();
bool IsButtonDown();
void SetButtonDown(bool bSet);
UnownedPtr<CXFA_FFDocView> m_pDocView;
UnownedPtr<CXFA_FFPageView> m_pPageView;
UnownedPtr<CXFA_Node> const m_pNode;
mutable CFX_RectF m_rtWidget;