summaryrefslogtreecommitdiff
path: root/fpdfsdk/pdfwindow/PWL_EditCtrl.h
blob: 8b65d4a7b5281c1f61c78dbb19c5ca6d125d626f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
// 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. http://www.foxitsoftware.com

#ifndef FPDFSDK_PDFWINDOW_PWL_EDITCTRL_H_
#define FPDFSDK_PDFWINDOW_PWL_EDITCTRL_H_

#include <memory>

#include "core/fxcrt/fx_string.h"
#include "fpdfsdk/fxedit/fx_edit.h"
#include "fpdfsdk/pdfwindow/PWL_Wnd.h"

class CFX_Edit;
class CPWL_Caret;
class CPWL_Edit;
class CPWL_EditCtrl;
struct CPVT_SecProps;
struct CPVT_WordPlace;
struct CPVT_WordProps;
struct CPVT_WordRange;

enum PWL_EDIT_ALIGNFORMAT_H { PEAH_LEFT = 0, PEAH_MIDDLE, PEAH_RIGHT };

enum PWL_EDIT_ALIGNFORMAT_V { PEAV_TOP = 0, PEAV_CENTER, PEAV_BOTTOM };

class CPWL_EditCtrl : public CPWL_Wnd {
  friend class CPWL_Edit_Notify;

 public:
  CPWL_EditCtrl();
  ~CPWL_EditCtrl() override;

  CFX_FloatRect GetContentRect() const;
  void GetCaretPos(int32_t& x, int32_t& y) const;

  CFX_WideString GetText() const;
  void SetSel(int32_t nStartChar, int32_t nEndChar);
  void GetSel(int32_t& nStartChar, int32_t& nEndChar) const;
  void GetTextRange(const CFX_FloatRect& rect,
                    int32_t& nStartChar,
                    int32_t& nEndChar) const;
  CFX_WideString GetText(int32_t& nStartChar, int32_t& nEndChar) const;
  void Clear();
  void SelectAll();

  int32_t GetCaret() const;
  void SetCaret(int32_t nPos);
  int32_t GetTotalWords() const;

  void Paint();

  void EnableRefresh(bool bRefresh);
  CFX_PointF GetScrollPos() const;
  void SetScrollPos(const CFX_PointF& point);

  void SetCharSet(uint8_t nCharSet) { m_nCharSet = nCharSet; }
  int32_t GetCharSet() const;

  void SetCodePage(int32_t nCodePage) { m_nCodePage = nCodePage; }
  int32_t GetCodePage() const { return m_nCodePage; }

  CPDF_Font* GetCaretFont() const;
  FX_FLOAT GetCaretFontSize() const;

  bool CanUndo() const;
  bool CanRedo() const;
  void Redo();
  void Undo();

  void SetReadyToInput();

  // CPWL_Wnd
  void OnCreate(PWL_CREATEPARAM& cp) override;
  void OnCreated() override;
  bool OnKeyDown(uint16_t nChar, uint32_t nFlag) override;
  bool OnChar(uint16_t nChar, uint32_t nFlag) override;
  bool OnLButtonDown(const CFX_PointF& point, uint32_t nFlag) override;
  bool OnLButtonUp(const CFX_PointF& point, uint32_t nFlag) override;
  bool OnMouseMove(const CFX_PointF& point, uint32_t nFlag) override;
  void OnNotify(CPWL_Wnd* pWnd,
                uint32_t msg,
                intptr_t wParam = 0,
                intptr_t lParam = 0) override;
  void CreateChildWnd(const PWL_CREATEPARAM& cp) override;
  void RePosChildWnd() override;
  void SetFontSize(FX_FLOAT fFontSize) override;
  FX_FLOAT GetFontSize() const override;
  void SetCursor() override;

  void IOnSetScrollInfoY(FX_FLOAT fPlateMin,
                         FX_FLOAT fPlateMax,
                         FX_FLOAT fContentMin,
                         FX_FLOAT fContentMax,
                         FX_FLOAT fSmallStep,
                         FX_FLOAT fBigStep);
  void IOnSetScrollPosY(FX_FLOAT fy);
  void IOnSetCaret(bool bVisible,
                   const CFX_PointF& ptHead,
                   const CFX_PointF& ptFoot,
                   const CPVT_WordPlace& place);
  void IOnCaretChange(const CPVT_SecProps& secProps,
                      const CPVT_WordProps& wordProps);
  void IOnContentChange(const CFX_FloatRect& rcContent);
  void IOnInvalidateRect(CFX_FloatRect* pRect);

 protected:
  void InsertText(const CFX_WideString& wsText);
  void SetText(const CFX_WideString& wsText);
  void CopyText();
  void PasteText();
  void CutText();
  void ShowVScrollBar(bool bShow);
  void InsertWord(uint16_t word, int32_t nCharset);
  void InsertReturn();

  bool IsWndHorV();

  void Delete();
  void Backspace();

  void GetCaretInfo(CFX_PointF& ptHead, CFX_PointF& ptFoot) const;
  void SetCaret(bool bVisible,
                const CFX_PointF& ptHead,
                const CFX_PointF& ptFoot);

  void SetEditCaret(bool bVisible);

  std::unique_ptr<CFX_Edit> m_pEdit;
  CPWL_Caret* m_pEditCaret;
  bool m_bMouseDown;

 private:
  void CreateEditCaret(const PWL_CREATEPARAM& cp);

  int32_t m_nCharSet;
  int32_t m_nCodePage;
};

#endif  // FPDFSDK_PDFWINDOW_PWL_EDITCTRL_H_