1 // Copyright 2017 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_FFTEXTEDIT_H_
8 #define XFA_FXFA_CXFA_FFTEXTEDIT_H_
9 
10 #include "core/fxcrt/fx_coordinates.h"
11 #include "core/fxcrt/fx_string.h"
12 #include "xfa/fxfa/cxfa_fffield.h"
13 
14 class CFWL_Event;
15 class CFWL_EventTextWillChange;
16 class CFWL_Widget;
17 class CFX_Matrix;
18 class CXFA_FFWidget;
19 class IFWL_WidgetDelegate;
20 
21 class CXFA_FFTextEdit : public CXFA_FFField {
22  public:
23   CONSTRUCT_VIA_MAKE_GARBAGE_COLLECTED;
24   ~CXFA_FFTextEdit() override;
25 
26   void PreFinalize() override;
27   void Trace(cppgc::Visitor* visitor) const override;
28 
29   // CXFA_FFField
30   bool LoadWidget() override;
31   void UpdateWidgetProperty() override;
32   bool AcceptsFocusOnButtonDown(uint32_t dwFlags,
33                                 const CFX_PointF& point,
34                                 FWL_MouseCommand command) override;
35   bool OnLButtonDown(uint32_t dwFlags, const CFX_PointF& point) override;
36   bool OnRButtonDown(uint32_t dwFlags, const CFX_PointF& point) override;
37   bool OnRButtonUp(uint32_t dwFlags, const CFX_PointF& point) override;
38   bool OnSetFocus(CXFA_FFWidget* pOldWidget) override WARN_UNUSED_RESULT;
39   bool OnKillFocus(CXFA_FFWidget* pNewWidget) override WARN_UNUSED_RESULT;
40   void OnProcessMessage(CFWL_Message* pMessage) override;
41   void OnProcessEvent(CFWL_Event* pEvent) override;
42   void OnDrawWidget(CFGAS_GEGraphics* pGraphics,
43                     const CFX_Matrix& matrix) override;
44 
45   void OnTextWillChange(CFWL_Widget* pWidget, CFWL_EventTextWillChange* change);
46   void OnTextFull(CFWL_Widget* pWidget);
47 
48   // CXFA_FFWidget
49   bool CanUndo() override;
50   bool CanRedo() override;
51   bool CanCopy() override;
52   bool CanCut() override;
53   bool CanPaste() override;
54   bool CanSelectAll() override;
55   bool Undo() override;
56   bool Redo() override;
57   Optional<WideString> Copy() override;
58   Optional<WideString> Cut() override;
59   bool Paste(const WideString& wsPaste) override;
60   void SelectAll() override;
61   void Delete() override;
62   void DeSelect() override;
63   WideString GetText() override;
64   FormFieldType GetFormFieldType() override;
65 
66  protected:
67   explicit CXFA_FFTextEdit(CXFA_Node* pNode);
68   uint32_t GetAlignment();
69 
70   cppgc::Member<IFWL_WidgetDelegate> m_pOldDelegate;
71 
72  private:
73   bool CommitData() override;
74   bool UpdateFWLData() override;
75   bool IsDataChanged() override;
76   void ValidateNumberField(const WideString& wsText);
77 };
78 
79 #endif  // XFA_FXFA_CXFA_FFTEXTEDIT_H_
80