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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 _FXFA_FORMFILLER_FIELD_IMP_H
8 #define _FXFA_FORMFILLER_FIELD_IMP_H
9 #define XFA_MINUI_HEIGHT 4.32f
10 #define XFA_DEFAULTUI_HEIGHT 2.0f
11 class CXFA_TextLayout;
12 class CXFA_FFField : public CXFA_FFWidget, public IFWL_WidgetDelegate {
13  public:
14   CXFA_FFField(CXFA_FFPageView* pPageView, CXFA_WidgetAcc* pDataAcc);
15   virtual ~CXFA_FFField();
16 
17   virtual FX_BOOL GetBBox(CFX_RectF& rtBox,
18                           FX_DWORD dwStatus,
19                           FX_BOOL bDrawFocus = FALSE);
20   virtual void RenderWidget(CFX_Graphics* pGS,
21                             CFX_Matrix* pMatrix = NULL,
22                             FX_DWORD dwStatus = 0,
23                             int32_t iRotate = 0);
24   virtual FX_BOOL IsLoaded();
25   virtual FX_BOOL LoadWidget();
26   virtual void UnloadWidget();
27   virtual FX_BOOL PerformLayout();
28   virtual void UpdateFWL();
29   FX_DWORD UpdateUIProperty();
30   virtual FX_BOOL OnMouseEnter();
31   virtual FX_BOOL OnMouseExit();
32   virtual FX_BOOL OnLButtonDown(FX_DWORD dwFlags, FX_FLOAT fx, FX_FLOAT fy);
33   virtual FX_BOOL OnLButtonUp(FX_DWORD dwFlags, FX_FLOAT fx, FX_FLOAT fy);
34   virtual FX_BOOL OnLButtonDblClk(FX_DWORD dwFlags, FX_FLOAT fx, FX_FLOAT fy);
35   virtual FX_BOOL OnMouseMove(FX_DWORD dwFlags, FX_FLOAT fx, FX_FLOAT fy);
36   virtual FX_BOOL OnMouseWheel(FX_DWORD dwFlags,
37                                int16_t zDelta,
38                                FX_FLOAT fx,
39                                FX_FLOAT fy);
40   virtual FX_BOOL OnRButtonDown(FX_DWORD dwFlags, FX_FLOAT fx, FX_FLOAT fy);
41   virtual FX_BOOL OnRButtonUp(FX_DWORD dwFlags, FX_FLOAT fx, FX_FLOAT fy);
42   virtual FX_BOOL OnRButtonDblClk(FX_DWORD dwFlags, FX_FLOAT fx, FX_FLOAT fy);
43 
44   virtual FX_BOOL OnSetFocus(CXFA_FFWidget* pOldWidget);
45   virtual FX_BOOL OnKillFocus(CXFA_FFWidget* pNewWidget);
46   virtual FX_BOOL OnKeyDown(FX_DWORD dwKeyCode, FX_DWORD dwFlags);
47   virtual FX_BOOL OnKeyUp(FX_DWORD dwKeyCode, FX_DWORD dwFlags);
48   virtual FX_BOOL OnChar(FX_DWORD dwChar, FX_DWORD dwFlags);
49   virtual FX_DWORD OnHitTest(FX_FLOAT fx, FX_FLOAT fy);
50   virtual FX_BOOL OnSetCursor(FX_FLOAT fx, FX_FLOAT fy);
51 
52  protected:
53   virtual FX_BOOL PtInActiveRect(FX_FLOAT fx, FX_FLOAT fy);
54   virtual void SetFWLRect();
55   void SetFWLThemeProvider();
GetNormalWidget()56   CFWL_Widget* GetNormalWidget() { return m_pNormalWidget; }
57   void FWLToClient(FX_FLOAT& fx, FX_FLOAT& fy);
58   void LayoutCaption();
59   void RenderCaption(CFX_Graphics* pGS, CFX_Matrix* pMatrix = NULL);
60 
61   int32_t CalculateOverride();
62   int32_t CalculateWidgetAcc(CXFA_WidgetAcc* pAcc);
63   FX_BOOL ProcessCommittedData();
64   virtual FX_BOOL CommitData();
65   virtual FX_BOOL IsDataChanged();
66   void DrawHighlight(CFX_Graphics* pGS,
67                      CFX_Matrix* pMatrix,
68                      FX_DWORD dwStatus,
69                      FX_BOOL bEllipse = FALSE);
70   void DrawFocus(CFX_Graphics* pGS, CFX_Matrix* pMatrix);
71   void TranslateFWLMessage(CFWL_Message* pMessage);
72   void CapPlacement();
73   void CapTopBottomPlacement(CXFA_Caption caption,
74                              const CFX_RectF& rtWidget,
75                              int32_t iCapPlacement);
76   void CapLeftRightPlacement(CXFA_Caption caption,
77                              const CFX_RectF& rtWidget,
78                              int32_t iCapPlacement);
79   void SetEditScrollOffset();
80 
81  public:
82   virtual int32_t OnProcessMessage(CFWL_Message* pMessage);
83   virtual FWL_ERR OnProcessEvent(CFWL_Event* pEvent);
84   virtual FWL_ERR OnDrawWidget(CFX_Graphics* pGraphics,
85                                const CFX_Matrix* pMatrix = NULL);
86 
87  protected:
88   CFWL_Widget* m_pNormalWidget;
89   CFX_RectF m_rtUI;
90   CFX_RectF m_rtCaption;
91 };
92 #endif
93