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
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
|
// 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 XFA_FWL_CFWL_EDIT_H_
#define XFA_FWL_CFWL_EDIT_H_
#include <memory>
#include <utility>
#include <vector>
#include "xfa/fde/cfde_texteditengine.h"
#include "xfa/fwl/cfwl_event.h"
#include "xfa/fwl/cfwl_scrollbar.h"
#include "xfa/fwl/cfwl_widget.h"
#include "xfa/fxgraphics/cxfa_gepath.h"
#define FWL_STYLEEXT_EDT_ReadOnly (1L << 0)
#define FWL_STYLEEXT_EDT_MultiLine (1L << 1)
#define FWL_STYLEEXT_EDT_WantReturn (1L << 2)
#define FWL_STYLEEXT_EDT_AutoHScroll (1L << 4)
#define FWL_STYLEEXT_EDT_AutoVScroll (1L << 5)
#define FWL_STYLEEXT_EDT_Validate (1L << 7)
#define FWL_STYLEEXT_EDT_Password (1L << 8)
#define FWL_STYLEEXT_EDT_Number (1L << 9)
#define FWL_STYLEEXT_EDT_CombText (1L << 17)
#define FWL_STYLEEXT_EDT_HNear 0
#define FWL_STYLEEXT_EDT_HCenter (1L << 18)
#define FWL_STYLEEXT_EDT_HFar (2L << 18)
#define FWL_STYLEEXT_EDT_VNear 0
#define FWL_STYLEEXT_EDT_VCenter (1L << 20)
#define FWL_STYLEEXT_EDT_VFar (2L << 20)
#define FWL_STYLEEXT_EDT_Justified (1L << 22)
#define FWL_STYLEEXT_EDT_HAlignMask (3L << 18)
#define FWL_STYLEEXT_EDT_VAlignMask (3L << 20)
#define FWL_STYLEEXT_EDT_HAlignModeMask (3L << 22)
#define FWL_STYLEEXT_EDT_ShowScrollbarFocus (1L << 25)
#define FWL_STYLEEXT_EDT_OuterScrollbar (1L << 26)
class CFWL_Edit;
class CFWL_MessageMouse;
class CFWL_WidgetProperties;
class CFWL_Caret;
class CFWL_Edit : public CFWL_Widget, public CFDE_TextEditEngine::Delegate {
public:
CFWL_Edit(const CFWL_App* app,
std::unique_ptr<CFWL_WidgetProperties> properties,
CFWL_Widget* pOuter);
~CFWL_Edit() override;
// CFWL_Widget:
FWL_Type GetClassID() const override;
CFX_RectF GetAutosizedWidgetRect() override;
CFX_RectF GetWidgetRect() override;
void Update() override;
FWL_WidgetHit HitTest(const CFX_PointF& point) override;
void SetStates(uint32_t dwStates) override;
void DrawWidget(CXFA_Graphics* pGraphics, const CFX_Matrix& matrix) override;
void SetThemeProvider(IFWL_ThemeProvider* pThemeProvider) override;
void OnProcessMessage(CFWL_Message* pMessage) override;
void OnProcessEvent(CFWL_Event* pEvent) override;
void OnDrawWidget(CXFA_Graphics* pGraphics,
const CFX_Matrix& matrix) override;
virtual void SetText(const WideString& wsText,
CFDE_TextEditEngine::RecordOperation op =
CFDE_TextEditEngine::RecordOperation::kInsertRecord);
int32_t GetTextLength() const;
WideString GetText() const;
void ClearText();
void SelectAll();
void ClearSelection();
bool HasSelection() const;
// Returns <start, count> of the selection.
std::pair<size_t, size_t> GetSelection() const;
int32_t GetLimit() const;
void SetLimit(int32_t nLimit);
void SetAliasChar(wchar_t wAlias);
Optional<WideString> Copy();
Optional<WideString> Cut();
bool Paste(const WideString& wsPaste);
bool Undo();
bool Redo();
bool CanUndo();
bool CanRedo();
void SetOuter(CFWL_Widget* pOuter);
// CFDE_TextEditEngine::Delegate
void NotifyTextFull() override;
void OnCaretChanged() override;
void OnTextWillChange(CFDE_TextEditEngine::TextChange* change) override;
void OnTextChanged() override;
void OnSelChanged() override;
bool OnValidate(const WideString& wsText) override;
void SetScrollOffset(float fScrollOffset) override;
protected:
void ShowCaret(CFX_RectF* pRect);
void HideCaret(CFX_RectF* pRect);
const CFX_RectF& GetRTClient() const { return m_rtClient; }
CFDE_TextEditEngine* GetTxtEdtEngine() { return &m_EdtEngine; }
private:
void RenderText(CFX_RenderDevice* pRenderDev,
const CFX_RectF& clipRect,
const CFX_Matrix& mt);
void DrawTextBk(CXFA_Graphics* pGraphics,
IFWL_ThemeProvider* pTheme,
const CFX_Matrix* pMatrix);
void DrawContent(CXFA_Graphics* pGraphics,
IFWL_ThemeProvider* pTheme,
const CFX_Matrix* pMatrix);
void UpdateEditEngine();
void UpdateEditParams();
void UpdateEditLayout();
bool UpdateOffset();
bool UpdateOffset(CFWL_ScrollBar* pScrollBar, float fPosChanged);
void UpdateVAlignment();
void UpdateCaret();
CFWL_ScrollBar* UpdateScroll();
void Layout();
void LayoutScrollBar();
CFX_PointF DeviceToEngine(const CFX_PointF& pt);
void InitVerticalScrollBar();
void InitHorizontalScrollBar();
void InitEngine();
void InitCaret();
bool ValidateNumberChar(wchar_t cNum);
bool IsShowScrollBar(bool bVert);
bool IsContentHeightOverflow();
void SetCursorPosition(size_t position);
void UpdateCursorRect();
void DoRButtonDown(CFWL_MessageMouse* pMsg);
void OnFocusChanged(CFWL_Message* pMsg, bool bSet);
void OnLButtonDown(CFWL_MessageMouse* pMsg);
void OnLButtonUp(CFWL_MessageMouse* pMsg);
void OnButtonDoubleClick(CFWL_MessageMouse* pMsg);
void OnMouseMove(CFWL_MessageMouse* pMsg);
void OnKeyDown(CFWL_MessageKey* pMsg);
void OnChar(CFWL_MessageKey* pMsg);
bool OnScroll(CFWL_ScrollBar* pScrollBar,
CFWL_EventScroll::Code dwCode,
float fPos);
CFX_RectF m_rtClient;
CFX_RectF m_rtEngine;
CFX_RectF m_rtStatic;
CFX_RectF m_rtCaret;
float m_fVAlignOffset;
float m_fScrollOffsetX;
float m_fScrollOffsetY;
CFDE_TextEditEngine m_EdtEngine;
bool m_bLButtonDown;
size_t m_CursorPosition;
int32_t m_nLimit;
float m_fFontSize;
bool m_bSetRange;
int32_t m_iMax;
std::unique_ptr<CFWL_ScrollBar> m_pVertScrollBar;
std::unique_ptr<CFWL_ScrollBar> m_pHorzScrollBar;
std::unique_ptr<CFWL_Caret> m_pCaret;
WideString m_wsCache;
WideString m_wsFont;
};
#endif // XFA_FWL_CFWL_EDIT_H_
|
