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STTextBox/ST.Library.UI.STTextBox/STTextBox.KeyEvent.cs at main · LVJo/STTextBox · GitHub
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using
System
;
using
System
.
Collections
.
Generic
;
using
System
.
Linq
;
using
System
.
Text
;
using
System
.
Windows
.
Forms
;
using
System
.
Text
.
RegularExpressions
;
namespace
ST
.
Library
.
UI
.
STTextBox
{
public
partial
class
STTextBox
{
protected
override
bool
ProcessCmdKey
(
ref
Message
msg
,
Keys
keyData
)
{
switch
(
keyData
)
{
case
Keys
.
Back
:
this
.
ProcessBackSpaceKey
(
)
;
return
true
;
case
Keys
.
Tab
:
this
.
ProcessTabKey
(
)
;
return
true
;
case
Keys
.
Enter
:
this
.
ProcessEnter
(
)
;
return
true
;
//========================================================
case
Keys
.
Left
:
this
.
ProcessLeftKey
(
false
)
;
return
true
;
case
Keys
.
Right
:
this
.
ProcessRightKey
(
false
)
;
return
true
;
case
Keys
.
Up
:
this
.
ProcessUpKey
(
false
)
;
return
true
;
case
Keys
.
Down
:
this
.
ProcessDownKey
(
false
)
;
return
true
;
case
Keys
.
Home
:
this
.
ProcessHomeKey
(
false
)
;
return
true
;
case
Keys
.
End
:
this
.
ProcessEndKey
(
false
)
;
return
true
;
case
Keys
.
PageUp
:
this
.
ProcessPageUpKey
(
false
)
;
return
true
;
case
Keys
.
PageDown
:
this
.
ProcessPageDownKey
(
false
)
;
return
true
;
//========================================================
case
Keys
.
Shift
|
Keys
.
Tab
:
this
.
ProcessShiftTabKey
(
)
;
return
true
;
case
Keys
.
Shift
|
Keys
.
Up
:
this
.
ProcessUpKey
(
true
)
;
return
true
;
case
Keys
.
Shift
|
Keys
.
Down
:
this
.
ProcessDownKey
(
true
)
;
return
true
;
case
Keys
.
Shift
|
Keys
.
Left
:
this
.
ProcessLeftKey
(
true
)
;
return
true
;
case
Keys
.
Shift
|
Keys
.
Right
:
this
.
ProcessRightKey
(
true
)
;
return
true
;
case
Keys
.
Shift
|
Keys
.
Home
:
this
.
ProcessHomeKey
(
true
)
;
return
true
;
case
Keys
.
Shift
|
Keys
.
End
:
this
.
ProcessEndKey
(
true
)
;
return
true
;
case
Keys
.
Shift
|
Keys
.
PageUp
:
this
.
ProcessPageUpKey
(
true
)
;
return
true
;
case
Keys
.
Shift
|
Keys
.
PageDown
:
this
.
ProcessPageDownKey
(
true
)
;
return
true
;
//========================================================
case
Keys
.
Control
|
Keys
.
A
:
this
.
SelectAll
(
)
;
return
true
;
case
Keys
.
Control
|
Keys
.
C
:
this
.
Copy
(
)
;
return
true
;
case
Keys
.
Control
|
Keys
.
X
:
this
.
Cut
(
)
;
return
true
;
case
Keys
.
Control
|
Keys
.
V
:
this
.
Paste
(
)
;
return
true
;
case
Keys
.
Control
|
Keys
.
Z
:
this
.
Undo
(
)
;
return
true
;
case
Keys
.
Control
|
Keys
.
Y
:
this
.
Redo
(
)
;
return
true
;
}
return
base
.
ProcessCmdKey
(
ref
msg
,
keyData
)
;
}
protected
override
void
OnKeyPress
(
KeyPressEventArgs
e
)
{
base
.
OnKeyPress
(
e
)
;
if
(
e
.
KeyChar
<
32
/* || e.KeyChar > 126*/
)
{
return
;
}
this
.
EnterText
(
e
.
KeyChar
.
ToString
(
)
)
;
}
//==================================================================================
private
void
ProcessEnter
(
)
{
var
c
=
m_core
;
string
strText
=
"
\r
\n
"
;
if
(
this
.
_AutoIndent
)
{
strText
+=
Regex
.
Match
(
c
.
TextManager
[
c
.
TextManager
.
GetLineIndexFromCharIndex
(
c
.
Caret
.
IndexOfChar
)
]
.
RawString
,
@"^[ \t]+"
//Space,TAB
)
.
Value
;
}
this
.
EnterText
(
strText
)
;
}
private
void
ProcessTabKey
(
)
{
var
c
=
m_core
;
int
nIndexStartLine
=
0
,
nIndexEndLine
=
0
;
if
(
!
c
.
Selection
.
IsEmptySelection
)
{
nIndexStartLine
=
c
.
TextManager
.
GetLineIndexFromCharIndex
(
c
.
Selection
.
StartIndex
)
;
nIndexEndLine
=
c
.
TextManager
.
GetLineIndexFromCharIndex
(
c
.
Selection
.
EndIndex
)
;
}
if
(
nIndexStartLine
==
nIndexEndLine
)
{
if
(
!
this
.
_TabToSpace
)
{
this
.
EnterText
(
"
\t
"
)
;
}
else
{
float
fSpaceCount
=
c
.
ITextBoxRender
.
GetTabSpaceCount
(
c
.
ITextView
.
GetCurrentCharOffset
(
)
,
this
.
_TabSize
)
;
this
.
EnterText
(
""
.
PadLeft
(
(
int
)
Math
.
Ceiling
(
fSpaceCount
)
)
)
;
}
}
else
{
string
strInsert
=
this
.
_TabToSpace
?
""
.
PadLeft
(
this
.
_TabSize
)
:
"
\t
"
;
var
histories
=
c
.
TextManager
.
InsertAtStart
(
nIndexStartLine
,
nIndexEndLine
-
nIndexStartLine
+
1
,
strInsert
)
;
c
.
ITextHistory
.
SetHistory
(
histories
)
;
var
lineStart
=
c
.
TextManager
[
nIndexStartLine
]
;
var
lineEnd
=
c
.
TextManager
[
nIndexEndLine
]
;
c
.
Selection
.
SetSelection
(
lineStart
.
IndexOfFirstChar
,
lineEnd
.
IndexOfFirstChar
+
lineEnd
.
GetLengthWithoutNewline
(
)
)
;
c
.
Caret
.
IndexOfChar
=
c
.
Selection
.
EndIndex
;
c
.
ITextView
.
SetCaretPostion
(
c
.
Caret
.
IndexOfChar
)
;
}
}
private
void
ProcessShiftTabKey
(
)
{
var
c
=
m_core
;
int
nIndexStartLine
=
0
,
nIndexEndLine
=
0
;
nIndexStartLine
=
c
.
TextManager
.
GetLineIndexFromCharIndex
(
c
.
Selection
.
StartIndex
)
;
nIndexEndLine
=
c
.
TextManager
.
GetLineIndexFromCharIndex
(
c
.
Selection
.
EndIndex
)
;
if
(
nIndexStartLine
==
nIndexEndLine
)
{
var
line
=
c
.
TextManager
[
nIndexStartLine
]
;
for
(
int
i
=
0
;
i
<
line
.
RawString
.
Length
;
i
++
)
{
switch
(
line
.
RawString
[
i
]
)
{
case
' '
:
case
'
\t
'
:
continue
;
default
:
break
;
}
if
(
i
==
0
||
i
+
line
.
IndexOfFirstChar
<
c
.
Selection
.
StartIndex
)
{
return
;
}
}
}
var
histories
=
c
.
TextManager
.
TrimStartTab
(
nIndexStartLine
,
nIndexEndLine
-
nIndexStartLine
+
1
,
this
.
_TabSize
)
;
c
.
ITextHistory
.
SetHistory
(
histories
.
ToArray
(
)
)
;
var
lineStart
=
c
.
TextManager
[
nIndexStartLine
]
;
var
lineEnd
=
c
.
TextManager
[
nIndexEndLine
]
;
c
.
Selection
.
SetSelection
(
lineStart
.
IndexOfFirstChar
,
lineEnd
.
IndexOfFirstChar
+
lineEnd
.
GetLengthWithoutNewline
(
)
)
;
c
.
Caret
.
IndexOfChar
=
c
.
Selection
.
EndIndex
;
c
.
ITextView
.
SetCaretPostion
(
c
.
Caret
.
IndexOfChar
)
;
}
private
void
ProcessBackSpaceKey
(
)
{
var
c
=
m_core
;
if
(
c
.
Caret
.
IndexOfChar
==
0
&&
c
.
Selection
.
IsEmptySelection
)
{
return
;
}
if
(
c
.
Selection
.
IsEmptySelection
)
{
//c.Selection.SetIndex(c.Caret.IndexOfChar);
int
nLineIndex
=
c
.
TextManager
.
GetLineIndexFromCharIndex
(
c
.
Caret
.
IndexOfChar
)
;
TextLine
stLine
=
c
.
TextManager
[
nLineIndex
]
;
if
(
c
.
Caret
.
IndexOfChar
==
stLine
.
IndexOfFirstChar
)
{
//if the index is the line start index
stLine
=
c
.
TextManager
[
nLineIndex
-
1
]
;
//c.Selection.StartIndex -= stLine.RawString.Length - stLine.GetLengthWithoutNewline();
c
.
Selection
.
SetSelection
(
c
.
Caret
.
IndexOfChar
,
c
.
Caret
.
IndexOfChar
-
(
stLine
.
RawString
.
Length
-
stLine
.
GetLengthWithoutNewline
(
)
)
)
;
}
else
{
int
nIndex
=
stLine
.
IndexOfFirstChar
;
c
.
IGraphemeSplitter
.
Each
(
stLine
.
RawString
,
(
str
,
nStart
,
nLen
)
=>
{
if
(
nIndex
+
nLen
>=
c
.
Caret
.
IndexOfChar
)
{
return
false
;
}
nIndex
+=
nLen
;
return
true
;
}
)
;
//c.Selection.StartIndex = nIndex;
c
.
Selection
.
SetSelection
(
nIndex
,
c
.
Caret
.
IndexOfChar
)
;
}
}
this
.
EnterText
(
""
)
;
}
private
void
ProcessUpKey
(
bool
bShiftDown
)
{
var
c
=
m_core
;
if
(
c
.
Scroll
.
YValue
==
0
&&
c
.
Caret
.
Y
-
m_core
.
ViewRectangle
.
Y
<
m_core
.
LineHeight
)
{
return
;
}
c
.
Caret
.
Y
-=
c
.
LineHeight
;
// c.ITextRender.GetFontHeight();
var
fi
=
c
.
ITextView
.
FindFromPoint
(
c
.
Caret
.
Location
)
;
if
(
!
c
.
Caret
.
CopyFromFindInfo
(
fi
)
)
{
return
;
}
bool
bRedraw
=
false
;
if
(
bShiftDown
)
{
c
.
Selection
.
SetSelection
(
c
.
Caret
.
IndexOfChar
)
;
bRedraw
=
true
;
}
else
{
if
(
!
c
.
Selection
.
IsEmptySelection
)
{
bRedraw
=
true
;
c
.
Caret
.
IndexOfChar
=
c
.
Selection
.
StartIndex
;
}
c
.
Selection
.
SetIndex
(
c
.
Caret
.
IndexOfChar
)
;
}
c
.
ITextView
.
SetCaretPostion
(
c
.
Caret
.
IndexOfChar
)
;
if
(
c
.
ITextView
.
ScrollToCaret
(
)
||
bRedraw
)
{
this
.
Invalidate
(
)
;
}
}
private
void
ProcessDownKey
(
bool
bShiftDown
)
{
var
c
=
m_core
;
if
(
c
.
Caret
.
IndexOfLine
>=
c
.
TextManager
.
LineCount
-
1
)
{
//return;
}
c
.
Caret
.
Y
+=
c
.
LineHeight
;
// c.ITextRender.GetFontHeight();
var
fi
=
c
.
ITextView
.
FindFromPoint
(
c
.
Caret
.
Location
)
;
if
(
!
c
.
Caret
.
CopyFromFindInfo
(
fi
)
)
{
return
;
}
bool
bRedraw
=
false
;
if
(
bShiftDown
)
{
c
.
Selection
.
SetSelection
(
c
.
Caret
.
IndexOfChar
)
;
bRedraw
=
true
;
}
else
{
if
(
!
c
.
Selection
.
IsEmptySelection
)
{
bRedraw
=
true
;
c
.
Caret
.
IndexOfChar
=
c
.
Selection
.
EndIndex
;
}
c
.
Selection
.
SetIndex
(
c
.
Caret
.
IndexOfChar
)
;
}
c
.
ITextView
.
SetCaretPostion
(
c
.
Caret
.
IndexOfChar
)
;
if
(
c
.
ITextView
.
ScrollToCaret
(
)
||
bRedraw
)
{
this
.
Invalidate
(
)
;
}
}
private
void
ProcessLeftKey
(
bool
bShiftDown
)
{
var
c
=
m_core
;
bool
bRedraw
=
false
;
if
(
bShiftDown
)
{
var
nIndex
=
c
.
TextBox
.
FindLeftIndex
(
c
.
Caret
.
IndexOfChar
)
;
if
(
nIndex
==
c
.
Caret
.
IndexOfChar
)
{
return
;
}
c
.
Caret
.
IndexOfChar
=
nIndex
;
c
.
Selection
.
SetSelection
(
c
.
Caret
.
IndexOfChar
)
;
bRedraw
=
true
;
}
else
{
if
(
!
c
.
Selection
.
IsEmptySelection
)
{
bRedraw
=
true
;
c
.
Caret
.
IndexOfChar
=
c
.
Selection
.
StartIndex
;
}
else
{
var
nIndex
=
c
.
TextBox
.
FindLeftIndex
(
c
.
Caret
.
IndexOfChar
)
;
if
(
nIndex
==
c
.
Caret
.
IndexOfChar
)
{
return
;
}
c
.
Caret
.
IndexOfChar
=
nIndex
;
}
c
.
Selection
.
SetIndex
(
c
.
Caret
.
IndexOfChar
)
;
}
c
.
ITextView
.
SetCaretPostion
(
c
.
Caret
.
IndexOfChar
)
;
if
(
c
.
ITextView
.
ScrollToCaret
(
)
||
bRedraw
)
{
this
.
Invalidate
(
)
;
}
}
private
void
ProcessRightKey
(
bool
bShiftDown
)
{
var
c
=
m_core
;
bool
bRedraw
=
false
;
if
(
bShiftDown
)
{
var
nIndex
=
c
.
TextBox
.
FindRightIndex
(
c
.
Caret
.
IndexOfChar
)
;
if
(
nIndex
==
c
.
Caret
.
IndexOfChar
)
{
return
;
}
c
.
Caret
.
IndexOfChar
=
nIndex
;
c
.
Selection
.
SetSelection
(
nIndex
)
;
bRedraw
=
true
;
}
else
{
if
(
!
c
.
Selection
.
IsEmptySelection
)
{
bRedraw
=
true
;
c
.
Caret
.
IndexOfChar
=
c
.
Selection
.
EndIndex
;
}
else
{
var
nIndex
=
c
.
TextBox
.
FindRightIndex
(
c
.
Caret
.
IndexOfChar
)
;
if
(
nIndex
==
c
.
Caret
.
IndexOfChar
)
{
return
;
}
c
.
Caret
.
IndexOfChar
=
nIndex
;
}
c
.
Selection
.
SetIndex
(
c
.
Caret
.
IndexOfChar
)
;
}
c
.
ITextView
.
SetCaretPostion
(
c
.
Caret
.
IndexOfChar
)
;
if
(
c
.
ITextView
.
ScrollToCaret
(
)
||
bRedraw
)
{
this
.
Invalidate
(
)
;
}
}
private
void
ProcessHomeKey
(
bool
bShiftDown
)
{
var
c
=
m_core
;
bool
bRedraw
=
false
;
var
stLine
=
c
.
TextManager
.
GetLineFromCharIndex
(
c
.
Caret
.
IndexOfChar
)
;
c
.
Caret
.
IndexOfChar
=
stLine
.
IndexOfFirstChar
;
if
(
bShiftDown
)
{
c
.
Selection
.
SetSelection
(
c
.
Caret
.
IndexOfChar
)
;
bRedraw
=
true
;
}
else
{
if
(
!
c
.
Selection
.
IsEmptySelection
)
{
bRedraw
=
true
;
}
c
.
Selection
.
SetIndex
(
c
.
Caret
.
IndexOfChar
)
;
}
c
.
ITextView
.
SetCaretPostion
(
c
.
Caret
.
IndexOfChar
)
;
if
(
c
.
ITextView
.
ScrollToCaret
(
)
||
bRedraw
)
{
this
.
Invalidate
(
)
;
}
}
private
void
ProcessEndKey
(
bool
bShiftDown
)
{
var
c
=
m_core
;
bool
bRedraw
=
false
;
var
stLine
=
c
.
TextManager
.
GetLineFromCharIndex
(
c
.
Caret
.
IndexOfChar
)
;
//c.Caret.IndexOfChar = stLine.IndexOfFirstChar + stLine.RawString.Length;
c
.
Caret
.
IndexOfChar
=
stLine
.
IndexOfFirstChar
+
stLine
.
GetLengthWithoutNewline
(
)
;
if
(
bShiftDown
)
{
c
.
Selection
.
SetSelection
(
c
.
Caret
.
IndexOfChar
)
;
bRedraw
=
true
;
}
else
{
if
(
!
c
.
Selection
.
IsEmptySelection
)
{
bRedraw
=
true
;
}
c
.
Selection
.
SetIndex
(
c
.
Caret
.
IndexOfChar
)
;
}
c
.
ITextView
.
SetCaretPostion
(
c
.
Caret
.
IndexOfChar
)
;
if
(
c
.
ITextView
.
ScrollToCaret
(
)
||
bRedraw
)
{
this
.
Invalidate
(
)
;
}
}
private
void
ProcessPageUpKey
(
bool
bShiftDown
)
{
var
c
=
m_core
;
if
(
c
.
Scroll
.
YValue
==
0
)
{
return
;
}
int
nCurrentLineCount
=
this
.
Height
/
c
.
LineHeight
;
c
.
Scroll
.
YValue
-=
nCurrentLineCount
;
if
(
c
.
Scroll
.
YValue
<
0
)
{
c
.
Scroll
.
YValue
=
0
;
c
.
Caret
.
Y
=
0
;
}
var
fi
=
c
.
ITextView
.
SetCaretPostion
(
c
.
Caret
.
Location
)
;
// c.ITextView.FindFromPoint(c.Caret.Location);
if
(
!
fi
.
Find
)
{
return
;
}
//c.Caret.CopyFromFindInfo(fi);
if
(
bShiftDown
)
{
c
.
Selection
.
SetSelection
(
c
.
Caret
.
IndexOfChar
)
;
}
else
{
if
(
!
c
.
Selection
.
IsEmptySelection
)
{
c
.
Selection
.
SetIndex
(
c
.
Caret
.
IndexOfChar
)
;
this
.
Invalidate
(
)
;
}
else
{
c
.
Selection
.
SetIndex
(
c
.
Caret
.
IndexOfChar
)
;
}
}
//c.ITextView.SetCaretPostion(c.Caret.X, c.Caret.Y);
this
.
Invalidate
(
)
;
}
private
void
ProcessPageDownKey
(
bool
bShiftDown
)
{
var
c
=
m_core
;
if
(
c
.
Scroll
.
YValue
==
c
.
Scroll
.
MaxYValue
)
{
return
;
}
int
nCurrentLineCount
=
this
.
Height
/
c
.
LineHeight
;
c
.
Scroll
.
YValue
+=
nCurrentLineCount
;
if
(
c
.
Scroll
.
YValue
>
c
.
Scroll
.
MaxYValue
)
{
c
.
Scroll
.
YValue
=
c
.
Scroll
.
MaxYValue
;
}
var
fi
=
c
.
ITextView
.
SetCaretPostion
(
c
.
Caret
.
Location
)
;
// c.ITextView.FindFromPoint(c.Caret.Location);
if
(
!
fi
.
Find
)
{
return
;
}
//c.Caret.CopyFromFindInfo(fi);
if
(
bShiftDown
)
{
c
.
Selection
.
SetSelection
(
c
.
Caret
.
IndexOfChar
)
;
}
else
{
if
(
!
c
.
Selection
.
IsEmptySelection
)
{
c
.
Selection
.
SetIndex
(
c
.
Caret
.
IndexOfChar
)
;
this
.
Invalidate
(
)
;
}
else
{
c
.
Selection
.
SetIndex
(
c
.
Caret
.
IndexOfChar
)
;
}
}
//c.ITextView.SetCaretPostion(c.Caret.X, c.Caret.Y);
this
.
Invalidate
(
)
;
}
private
void
EnterText
(
string
strText
)
{
var
c
=
m_core
;
var
history
=
c
.
TextManager
.
SetText
(
c
.
Selection
.
StartIndex
,
c
.
Selection
.
Length
,
strText
)
;
if
(
history
!=
TextHistoryRecord
.
Empty
)
{
c
.
ITextHistory
.
SetHistory
(
new
TextHistoryRecord
[
]
{
history
}
)
;
}
c
.
Caret
.
IndexOfChar
=
c
.
Selection
.
StartIndex
+
strText
.
Length
;
c
.
ITextView
.
SetCaretPostion
(
c
.
Caret
.
IndexOfChar
)
;
c
.
Selection
.
SetIndex
(
c
.
Caret
.
IndexOfChar
)
;
c
.
ITextView
.
ScrollToCaret
(
)
;
//this.Invalidate();
}
//==================================================
private
int
FindRightIndex
(
int
nIndex
)
{
var
c
=
m_core
;
if
(
nIndex
>=
c
.
TextManager
.
TextLength
)
{
return
c
.
TextManager
.
TextLength
;
}
int
nLineIndex
=
c
.
TextManager
.
GetLineIndexFromCharIndex
(
nIndex
)
;
var
line
=
c
.
TextManager
[
nLineIndex
]
;
c
.
IGraphemeSplitter
.
Each
(
line
.
RawString
,
nIndex
-
line
.
IndexOfFirstChar
,
(
str
,
nStart
,
nLen
)
=>
{
nIndex
+=
nLen
;
return
false
;
}
)
;
return
nIndex
;
}
//private FindInfo FindRightChar(int nIndex) {
// //TODO: add location for return;
// var c = m_core;
// if (nIndex >= c.TextManager.TextLength) {
// return FindInfo.Empty;
// }
// int nLineIndex = c.TextManager.GetLineIndexFromCharIndex(nIndex);
// var line = c.TextManager[nLineIndex];
// c.IGraphemeSplitter.Each(line.RawString, nIndex - line.IndexOfFirstChar, (str, nStart, nLen) => {
// nIndex += nLen;
// return false;
// });
// return new FindInfo() {
// Find = true,
// Line = line,
// IndexOfCharInLine = nIndex - line.IndexOfFirstChar,
// IndexOfLine = nLineIndex,
// };
//}
public
int
FindLeftIndex
(
int
nIndex
)
{
var
c
=
m_core
;
if
(
nIndex
<=
1
)
return
0
;
int
nLineIndex
=
c
.
TextManager
.
GetLineIndexFromCharIndex
(
nIndex
)
;
TextLine
line
=
c
.
TextManager
[
nLineIndex
]
;
if
(
nIndex
==
line
.
IndexOfFirstChar
)
{
line
=
c
.
TextManager
[
--
nLineIndex
]
;
if
(
line
.
RawString
.
Length
>
1
&&
line
.
RawString
[
line
.
RawString
.
Length
-
2
]
==
'
\r
'
)
{
nIndex
-=
2
;
}
else
{
nIndex
-=
1
;
}
}
else
{
int
nIndexRet
=
line
.
IndexOfFirstChar
;
c
.
IGraphemeSplitter
.
Each
(
line
.
RawString
,
(
str
,
nStart
,
nLen
)
=>
{
if
(
nIndexRet
+
nLen
>=
nIndex
)
{
return
false
;
}
nIndexRet
+=
nLen
;
return
true
;
}
)
;
nIndex
=
nIndexRet
;
}
return
nIndex
;
}
//private FindInfo FindLeftChar(int nIndex) {
// //TODO: add location for return;
// var c = m_core;
// if (nIndex <= 1) return new FindInfo() {
// Find = true,
// Line = c.TextManager[0]
// };
// int nLineIndex = c.TextManager.GetLineIndexFromCharIndex(nIndex);
// TextLine line = c.TextManager[nLineIndex];
// if (nIndex == line.IndexOfFirstChar) {
// line = c.TextManager[--nLineIndex];
// if (line.RawString.Length > 1 && line.RawString[line.RawString.Length - 2] == '\r') {
// nIndex -= 2;
// } else {
// nIndex -= 1;
// }
// } else {
// int nIndexRet = line.IndexOfFirstChar;
// c.IGraphemeSplitter.Each(line.RawString, (str, nStart, nLen) => {
// if (nIndexRet + nLen >= nIndex) {
// return false;
// }
// nIndexRet += nLen;
// return true;
// });
// nIndex = nIndexRet;
// }
// return new FindInfo() {
// Find = true,
// Line = line,
// IndexOfCharInLine = nIndex - line.IndexOfFirstChar,
// IndexOfLine = nLineIndex
// };
//}
}
}
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