1 // Copyright 2014 PDFium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 6 7 #ifndef XFA_FXFA_CXFA_FFWIDGET_H_ 8 #define XFA_FXFA_CXFA_FFWIDGET_H_ 9 10 #include <vector> 11 12 #include "core/fpdfdoc/cpdf_formfield.h" 13 #include "core/fxcodec/fx_codec_def.h" 14 #include "core/fxge/cfx_graphstatedata.h" 15 #include "xfa/fwl/cfwl_app.h" 16 #include "xfa/fxfa/fxfa.h" 17 #include "xfa/fxfa/parser/cxfa_contentlayoutitem.h" 18 19 class CXFA_Box; 20 class CXFA_FFPageView; 21 class CXFA_FFDocView; 22 class CXFA_FFDoc; 23 class CXFA_FFApp; 24 class CXFA_Graphics; 25 class CXFA_Image; 26 enum class FWL_WidgetHit; 27 28 inline float XFA_UnitPx2Pt(float fPx, float fDpi) { 29 return fPx * 72.0f / fDpi; 30 } 31 32 #define XFA_FLOAT_PERCISION 0.001f 33 34 void XFA_DrawImage(CXFA_Graphics* pGS, 35 const CFX_RectF& rtImage, 36 const CFX_Matrix& matrix, 37 const RetainPtr<CFX_DIBitmap>& pDIBitmap, 38 XFA_AttributeEnum iAspect, 39 int32_t iImageXDpi, 40 int32_t iImageYDpi, 41 XFA_AttributeEnum iHorzAlign = XFA_AttributeEnum::Left, 42 XFA_AttributeEnum iVertAlign = XFA_AttributeEnum::Top); 43 44 RetainPtr<CFX_DIBitmap> XFA_LoadImageFromBuffer( 45 const RetainPtr<IFX_SeekableReadStream>& pImageFileRead, 46 FXCODEC_IMAGE_TYPE type, 47 int32_t& iImageXDpi, 48 int32_t& iImageYDpi); 49 50 void XFA_RectWithoutMargin(CFX_RectF& rt, 51 const CXFA_Margin* margin, 52 bool bUI = false); 53 CXFA_FFWidget* XFA_GetWidgetFromLayoutItem(CXFA_LayoutItem* pLayoutItem); 54 55 class CXFA_CalcData { 56 public: 57 CXFA_CalcData(); 58 ~CXFA_CalcData(); 59 60 std::vector<CXFA_Node*> m_Globals; 61 int32_t m_iRefCount; 62 }; 63 64 class CXFA_FFWidget : public CXFA_ContentLayoutItem { 65 public: 66 explicit CXFA_FFWidget(CXFA_Node* pNode); 67 ~CXFA_FFWidget() override; 68 69 virtual CFX_RectF GetBBox(uint32_t dwStatus, bool bDrawFocus = false); 70 virtual void RenderWidget(CXFA_Graphics* pGS, 71 const CFX_Matrix& matrix, 72 uint32_t dwStatus); 73 virtual bool IsLoaded(); 74 virtual bool LoadWidget(); 75 virtual void UnloadWidget(); 76 virtual bool PerformLayout(); 77 virtual bool UpdateFWLData(); 78 virtual void UpdateWidgetProperty(); 79 virtual bool OnMouseEnter(); 80 virtual bool OnMouseExit(); 81 virtual bool OnLButtonDown(uint32_t dwFlags, const CFX_PointF& point); 82 virtual bool OnLButtonUp(uint32_t dwFlags, const CFX_PointF& point); 83 virtual bool OnLButtonDblClk(uint32_t dwFlags, const CFX_PointF& point); 84 virtual bool OnMouseMove(uint32_t dwFlags, const CFX_PointF& point); 85 virtual bool OnMouseWheel(uint32_t dwFlags, 86 int16_t zDelta, 87 const CFX_PointF& point); 88 virtual bool OnRButtonDown(uint32_t dwFlags, const CFX_PointF& point); 89 virtual bool OnRButtonUp(uint32_t dwFlags, const CFX_PointF& point); 90 virtual bool OnRButtonDblClk(uint32_t dwFlags, const CFX_PointF& point); 91 92 virtual bool OnSetFocus(CXFA_FFWidget* pOldWidget); 93 virtual bool OnKillFocus(CXFA_FFWidget* pNewWidget); 94 virtual bool OnKeyDown(uint32_t dwKeyCode, uint32_t dwFlags); 95 virtual bool OnKeyUp(uint32_t dwKeyCode, uint32_t dwFlags); 96 virtual bool OnChar(uint32_t dwChar, uint32_t dwFlags); 97 virtual FWL_WidgetHit OnHitTest(const CFX_PointF& point); 98 virtual bool OnSetCursor(const CFX_PointF& point); 99 virtual bool CanUndo(); 100 virtual bool CanRedo(); 101 virtual bool Undo(); 102 virtual bool Redo(); 103 virtual bool CanCopy(); 104 virtual bool CanCut(); 105 virtual bool CanPaste(); 106 virtual bool CanSelectAll(); 107 virtual bool CanDelete(); 108 virtual bool CanDeSelect(); 109 virtual Optional<WideString> Copy(); 110 virtual Optional<WideString> Cut(); 111 virtual bool Paste(const WideString& wsPaste); 112 virtual void SelectAll(); 113 virtual void Delete(); 114 virtual void DeSelect(); 115 116 virtual FormFieldType GetFormFieldType(); 117 118 // TODO(tsepez): Implement or remove. 119 void GetSuggestWords(CFX_PointF pointf, std::vector<ByteString>* pWords); 120 bool ReplaceSpellCheckWord(CFX_PointF pointf, 121 const ByteStringView& bsReplace); 122 123 CXFA_FFPageView* GetPageView() const { return m_pPageView; } 124 void SetPageView(CXFA_FFPageView* pPageView) { m_pPageView = pPageView; } 125 const CFX_RectF& GetWidgetRect() const; 126 const CFX_RectF& RecacheWidgetRect() const; 127 uint32_t GetStatus(); 128 void ModifyStatus(uint32_t dwAdded, uint32_t dwRemoved); 129 130 CXFA_Node* GetNode() { return m_pNode.Get(); } 131 132 CXFA_FFDocView* GetDocView(); 133 void SetDocView(CXFA_FFDocView* pDocView); 134 CXFA_FFDoc* GetDoc(); 135 CXFA_FFApp* GetApp(); 136 IXFA_AppProvider* GetAppProvider(); 137 void AddInvalidateRect(); 138 bool IsFocused() const { return !!(m_dwStatus & XFA_WidgetStatus_Focused); } 139 CFX_PointF Rotate2Normal(const CFX_PointF& point); 140 CFX_Matrix GetRotateMatrix(); 141 bool IsLayoutRectEmpty(); 142 CXFA_FFWidget* GetParent(); 143 bool IsAncestorOf(CXFA_FFWidget* pWidget); 144 const CFWL_App* GetFWLApp(); 145 146 protected: 147 virtual bool PtInActiveRect(const CFX_PointF& point); 148 149 void DrawBorder(CXFA_Graphics* pGS, 150 CXFA_Box* box, 151 const CFX_RectF& rtBorder, 152 const CFX_Matrix& matrix); 153 void DrawBorderWithFlag(CXFA_Graphics* pGS, 154 CXFA_Box* box, 155 const CFX_RectF& rtBorder, 156 const CFX_Matrix& matrix, 157 bool forceRound); 158 159 CFX_RectF GetRectWithoutRotate(); 160 bool IsMatchVisibleStatus(uint32_t dwStatus); 161 void EventKillFocus(); 162 bool IsButtonDown(); 163 void SetButtonDown(bool bSet); 164 165 CXFA_FFDocView* m_pDocView = nullptr; 166 CXFA_FFPageView* m_pPageView = nullptr; 167 UnownedPtr<CXFA_Node> const m_pNode; 168 mutable CFX_RectF m_rtWidget; 169 }; 170 171 #endif // XFA_FXFA_CXFA_FFWIDGET_H_ 172
