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_XFA_FFWIDGET_H_ 8 #define XFA_FXFA_XFA_FFWIDGET_H_ 9 10 #include <vector> 11 12 #include "core/fxcodec/fx_codec_def.h" 13 #include "core/fxge/cfx_graphstatedata.h" 14 #include "xfa/fwl/cfwl_app.h" 15 #include "xfa/fxfa/fxfa.h" 16 #include "xfa/fxfa/parser/cxfa_contentlayoutitem.h" 17 18 class CXFA_FFPageView; 19 class CXFA_FFDocView; 20 class CXFA_FFDoc; 21 class CXFA_FFApp; 22 enum class FWL_WidgetHit; 23 24 inline FX_FLOAT XFA_UnitPx2Pt(FX_FLOAT fPx, FX_FLOAT fDpi) { 25 return fPx * 72.0f / fDpi; 26 } 27 28 #define XFA_FLOAT_PERCISION 0.001f 29 30 enum XFA_WIDGETITEM { 31 XFA_WIDGETITEM_Parent, 32 XFA_WIDGETITEM_FirstChild, 33 XFA_WIDGETITEM_NextSibling, 34 XFA_WIDGETITEM_PrevSibling, 35 }; 36 37 class CXFA_CalcData { 38 public: 39 CXFA_CalcData(); 40 ~CXFA_CalcData(); 41 42 std::vector<CXFA_WidgetAcc*> m_Globals; 43 int32_t m_iRefCount; 44 }; 45 46 class CXFA_FFWidget : public CXFA_ContentLayoutItem { 47 public: 48 explicit CXFA_FFWidget(CXFA_WidgetAcc* pDataAcc); 49 ~CXFA_FFWidget() override; 50 51 virtual CFX_RectF GetBBox(uint32_t dwStatus, bool bDrawFocus = false); 52 virtual void RenderWidget(CFX_Graphics* pGS, 53 CFX_Matrix* pMatrix, 54 uint32_t dwStatus); 55 virtual bool IsLoaded(); 56 virtual bool LoadWidget(); 57 virtual void UnloadWidget(); 58 virtual bool PerformLayout(); 59 virtual bool UpdateFWLData(); 60 virtual void UpdateWidgetProperty(); 61 virtual bool OnMouseEnter(); 62 virtual bool OnMouseExit(); 63 virtual bool OnLButtonDown(uint32_t dwFlags, const CFX_PointF& point); 64 virtual bool OnLButtonUp(uint32_t dwFlags, const CFX_PointF& point); 65 virtual bool OnLButtonDblClk(uint32_t dwFlags, const CFX_PointF& point); 66 virtual bool OnMouseMove(uint32_t dwFlags, const CFX_PointF& point); 67 virtual bool OnMouseWheel(uint32_t dwFlags, 68 int16_t zDelta, 69 const CFX_PointF& point); 70 virtual bool OnRButtonDown(uint32_t dwFlags, const CFX_PointF& point); 71 virtual bool OnRButtonUp(uint32_t dwFlags, const CFX_PointF& point); 72 virtual bool OnRButtonDblClk(uint32_t dwFlags, const CFX_PointF& point); 73 74 virtual bool OnSetFocus(CXFA_FFWidget* pOldWidget); 75 virtual bool OnKillFocus(CXFA_FFWidget* pNewWidget); 76 virtual bool OnKeyDown(uint32_t dwKeyCode, uint32_t dwFlags); 77 virtual bool OnKeyUp(uint32_t dwKeyCode, uint32_t dwFlags); 78 virtual bool OnChar(uint32_t dwChar, uint32_t dwFlags); 79 virtual FWL_WidgetHit OnHitTest(const CFX_PointF& point); 80 virtual bool OnSetCursor(const CFX_PointF& point); 81 virtual bool CanUndo(); 82 virtual bool CanRedo(); 83 virtual bool Undo(); 84 virtual bool Redo(); 85 virtual bool CanCopy(); 86 virtual bool CanCut(); 87 virtual bool CanPaste(); 88 virtual bool CanSelectAll(); 89 virtual bool CanDelete(); 90 virtual bool CanDeSelect(); 91 virtual bool Copy(CFX_WideString& wsCopy); 92 virtual bool Cut(CFX_WideString& wsCut); 93 virtual bool Paste(const CFX_WideString& wsPaste); 94 virtual void SelectAll(); 95 virtual void Delete(); 96 virtual void DeSelect(); 97 virtual bool GetSuggestWords(CFX_PointF pointf, 98 std::vector<CFX_ByteString>& sSuggest); 99 virtual bool ReplaceSpellCheckWord(CFX_PointF pointf, 100 const CFX_ByteStringC& bsReplace); 101 102 CXFA_FFPageView* GetPageView() const { return m_pPageView; } 103 void SetPageView(CXFA_FFPageView* pPageView) { m_pPageView = pPageView; } 104 CFX_RectF GetWidgetRect(); 105 CFX_RectF RecacheWidgetRect(); 106 uint32_t GetStatus(); 107 void ModifyStatus(uint32_t dwAdded, uint32_t dwRemoved); 108 109 CXFA_WidgetAcc* GetDataAcc(); 110 bool GetToolTip(CFX_WideString& wsToolTip); 111 112 CXFA_FFDocView* GetDocView(); 113 void SetDocView(CXFA_FFDocView* pDocView); 114 CXFA_FFDoc* GetDoc(); 115 CXFA_FFApp* GetApp(); 116 IXFA_AppProvider* GetAppProvider(); 117 void InvalidateWidget(const CFX_RectF* pRect = nullptr); 118 void AddInvalidateRect(const CFX_RectF* pRect = nullptr); 119 bool GetCaptionText(CFX_WideString& wsCap); 120 bool IsFocused(); 121 CFX_PointF Rotate2Normal(const CFX_PointF& point); 122 CFX_Matrix GetRotateMatrix(); 123 bool IsLayoutRectEmpty(); 124 CXFA_FFWidget* GetParent(); 125 bool IsAncestorOf(CXFA_FFWidget* pWidget); 126 const CFWL_App* GetFWLApp(); 127 128 protected: 129 virtual bool PtInActiveRect(const CFX_PointF& point); 130 131 void DrawBorder(CFX_Graphics* pGS, 132 CXFA_Box box, 133 const CFX_RectF& rtBorder, 134 CFX_Matrix* pMatrix, 135 uint32_t dwFlags = 0); 136 137 CFX_RectF GetRectWithoutRotate(); 138 bool IsMatchVisibleStatus(uint32_t dwStatus); 139 void EventKillFocus(); 140 bool IsButtonDown(); 141 void SetButtonDown(bool bSet); 142 143 CXFA_FFDocView* m_pDocView; 144 CXFA_FFPageView* m_pPageView; 145 CXFA_WidgetAcc* m_pDataAcc; 146 CFX_RectF m_rtWidget; 147 }; 148 149 int32_t XFA_StrokeTypeSetLineDash(CFX_Graphics* pGraphics, 150 int32_t iStrokeType, 151 int32_t iCapType); 152 CFX_GraphStateData::LineCap XFA_LineCapToFXGE(int32_t iLineCap); 153 void XFA_DrawImage(CFX_Graphics* pGS, 154 const CFX_RectF& rtImage, 155 CFX_Matrix* pMatrix, 156 CFX_DIBitmap* pDIBitmap, 157 int32_t iAspect, 158 int32_t iImageXDpi, 159 int32_t iImageYDpi, 160 int32_t iHorzAlign = XFA_ATTRIBUTEENUM_Left, 161 int32_t iVertAlign = XFA_ATTRIBUTEENUM_Top); 162 163 CFX_DIBitmap* XFA_LoadImageData(CXFA_FFDoc* pDoc, 164 CXFA_Image* pImage, 165 bool& bNameImage, 166 int32_t& iImageXDpi, 167 int32_t& iImageYDpi); 168 169 CFX_DIBitmap* XFA_LoadImageFromBuffer( 170 const CFX_RetainPtr<IFX_SeekableReadStream>& pImageFileRead, 171 FXCODEC_IMAGE_TYPE type, 172 int32_t& iImageXDpi, 173 int32_t& iImageYDpi); 174 175 FXCODEC_IMAGE_TYPE XFA_GetImageType(const CFX_WideString& wsType); 176 FX_CHAR* XFA_Base64Encode(const uint8_t* buf, int32_t buf_len); 177 void XFA_RectWidthoutMargin(CFX_RectF& rt, 178 const CXFA_Margin& mg, 179 bool bUI = false); 180 CXFA_FFWidget* XFA_GetWidgetFromLayoutItem(CXFA_LayoutItem* pLayoutItem); 181 bool XFA_IsCreateWidget(XFA_Element iType); 182 #define XFA_DRAWBOX_ForceRound 1 183 #define XFA_DRAWBOX_Lowered3D 2 184 void XFA_DrawBox(CXFA_Box box, 185 CFX_Graphics* pGS, 186 const CFX_RectF& rtWidget, 187 CFX_Matrix* pMatrix, 188 uint32_t dwFlags = 0); 189 190 #endif // XFA_FXFA_XFA_FFWIDGET_H_ 191
