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STTextBox/ST.Library.UI.STTextBox/STTextBox.MouseEvent.cs at main · LVJo/STTextBox · GitHub
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STTextBox.MouseEvent.cs
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using
System
;
using
System
.
Collections
.
Generic
;
using
System
.
Linq
;
using
System
.
Text
;
using
System
.
Windows
.
Forms
;
namespace
ST
.
Library
.
UI
.
STTextBox
{
partial
class
STTextBox
{
private
struct
ScrollIncrement
{
public
int
Time
;
public
int
Value
;
public
ScrollIncrement
(
int
nTime
,
int
nValue
)
{
this
.
Time
=
nTime
;
this
.
Value
=
nValue
;
}
}
private
DateTime
m_dt_last_scroll_h
=
DateTime
.
Now
;
private
DateTime
m_dt_last_scroll_v
=
DateTime
.
Now
;
private
ScrollIncrement
[
]
m_arr_si
=
new
ScrollIncrement
[
]
{
new
ScrollIncrement
(
20
,
6
)
,
new
ScrollIncrement
(
30
,
5
)
,
new
ScrollIncrement
(
40
,
4
)
,
new
ScrollIncrement
(
50
,
3
)
,
new
ScrollIncrement
(
60
,
2
)
,
}
;
protected
override
void
OnMouseDown
(
MouseEventArgs
e
)
{
base
.
OnMouseDown
(
e
)
;
var
c
=
m_core
;
this
.
Select
(
)
;
if
(
c
.
Scroll
.
HoverScrollBar
!=
STTextBoxScrollInfo
.
ScrollBarType
.
None
)
{
if
(
c
.
Scroll
.
HBackRect
.
Contains
(
e
.
Location
)
)
{
c
.
Scroll
.
DownScrollBar
=
STTextBoxScrollInfo
.
ScrollBarType
.
H
;
c
.
ITextView
.
ScrollXToMuosePoint
(
e
.
X
)
;
this
.
Invalidate
(
)
;
}
else
if
(
c
.
Scroll
.
VBackRect
.
Contains
(
e
.
Location
)
)
{
c
.
Scroll
.
DownScrollBar
=
STTextBoxScrollInfo
.
ScrollBarType
.
V
;
c
.
ITextView
.
ScrollYToMousePoint
(
e
.
Y
)
;
this
.
Invalidate
(
)
;
}
return
;
}
var
fi
=
c
.
ITextView
.
SetCaretPostion
(
e
.
Location
)
;
// c.ITextView.FindFromPoint(e.Location);
//c.Caret.CopyFromFindInfo(fi);
if
(
Control
.
ModifierKeys
!=
Keys
.
Shift
)
{
c
.
Selection
.
SetIndex
(
c
.
Caret
.
IndexOfChar
)
;
}
else
{
//if (c.Caret.IndexOfChar < c.Selection.AnchorIndex) {
// //c.Selection.StartIndex = c.Caret.IndexOfChar;
// //c.Selection.EndIndex = c.Selection.AnchorIndex;
// c.Selection.SetSelection(c.Selection.AnchorIndex, c.Caret.IndexOfChar);
//} else {
// c.Selection.StartIndex = c.Selection.AnchorIndex;
// c.Selection.EndIndex = c.Caret.IndexOfChar;
//}
c
.
Selection
.
SetSelection
(
c
.
Selection
.
AnchorIndex
,
c
.
Caret
.
IndexOfChar
)
;
}
//c.ITextView.SetCaretPostion(c.Caret.X, c.Caret.Y);
this
.
Invalidate
(
)
;
}
protected
override
void
OnMouseMove
(
MouseEventArgs
e
)
{
base
.
OnMouseMove
(
e
)
;
var
c
=
m_core
;
switch
(
c
.
Scroll
.
DownScrollBar
)
{
case
STTextBoxScrollInfo
.
ScrollBarType
.
V
:
c
.
ITextView
.
ScrollYToMousePoint
(
e
.
Y
)
;
this
.
Invalidate
(
)
;
return
;
case
STTextBoxScrollInfo
.
ScrollBarType
.
H
:
c
.
ITextView
.
ScrollXToMuosePoint
(
e
.
X
)
;
this
.
Invalidate
(
)
;
return
;
}
if
(
e
.
Button
==
System
.
Windows
.
Forms
.
MouseButtons
.
Left
)
{
//var sw = new System.Diagnostics.Stopwatch();
//sw.Start();
var
fi
=
c
.
ITextView
.
FindFromPoint
(
e
.
Location
)
;
if
(
!
fi
.
Find
)
return
;
c
.
Caret
.
CopyFromFindInfo
(
fi
)
;
int
nIndex
=
c
.
Caret
.
IndexOfChar
;
//if (nIndex > c.Selection.AnchorIndex) {
// c.Selection.SetSelection(c.Selection.AnchorIndex, nIndex);
// //c.Selection.StartIndex = c.Selection.AnchorIndex;
// //c.Selection.EndIndex = nIndex;
//} else {
// c.Selection.SetSelection(nIndex, c.Selection.AnchorIndex);
// //c.Selection.StartIndex = nIndex;
// //c.Selection.EndIndex = c.Selection.AnchorIndex;
//}
c
.
Selection
.
SetSelection
(
c
.
Selection
.
AnchorIndex
,
nIndex
)
;
c
.
ITextView
.
SetCaretPostion
(
fi
.
IndexOfChar
)
;
c
.
ITextView
.
ScrollToCaret
(
)
;
//sw.Stop();
//Console.WriteLine("CheckSelection: - " + sw.ElapsedMilliseconds);
this
.
Invalidate
(
)
;
return
;
}
if
(
e
.
Button
==
MouseButtons
.
None
&&
c
.
Scroll
.
CountDown
!=
0
)
{
if
(
c
.
Scroll
.
VBackRect
.
Contains
(
e
.
Location
)
)
{
c
.
Scroll
.
HoverScrollBar
=
STTextBoxScrollInfo
.
ScrollBarType
.
V
;
}
else
if
(
c
.
Scroll
.
HBackRect
.
Contains
(
e
.
Location
)
)
{
c
.
Scroll
.
HoverScrollBar
=
STTextBoxScrollInfo
.
ScrollBarType
.
H
;
}
else
{
c
.
Scroll
.
HoverScrollBar
=
STTextBoxScrollInfo
.
ScrollBarType
.
None
;
}
if
(
c
.
Scroll
.
HoverScrollBar
!=
STTextBoxScrollInfo
.
ScrollBarType
.
None
)
{
this
.
ShowScrollBar
(
c
.
Scroll
.
DisplayTime
)
;
if
(
this
.
SetCursor
(
Cursors
.
Arrow
)
)
{
this
.
Invalidate
(
)
;
}
}
else
{
if
(
this
.
SetCursor
(
Cursors
.
IBeam
)
)
{
this
.
Invalidate
(
)
;
}
}
}
else
{
c
.
ITextView
.
OnSetCursor
(
e
)
;
}
}
protected
override
void
OnMouseUp
(
MouseEventArgs
e
)
{
base
.
OnMouseUp
(
e
)
;
var
c
=
m_core
;
c
.
Scroll
.
DownScrollBar
=
STTextBoxScrollInfo
.
ScrollBarType
.
None
;
this
.
Invalidate
(
)
;
}
protected
override
void
OnMouseLeave
(
EventArgs
e
)
{
base
.
OnMouseLeave
(
e
)
;
var
c
=
m_core
;
c
.
Scroll
.
HoverScrollBar
=
STTextBoxScrollInfo
.
ScrollBarType
.
None
;
}
protected
override
void
OnMouseWheel
(
MouseEventArgs
e
)
{
base
.
OnMouseWheel
(
e
)
;
DateTime
dt_now
=
DateTime
.
Now
;
//Console.WriteLine("Scroll: --------------------- " + dt_now.Subtract(m_dt_last_scroll_v).TotalMilliseconds);
int
nIncrement
=
1
;
int
nTemp
=
(
int
)
dt_now
.
Subtract
(
m_dt_last_scroll_v
)
.
TotalMilliseconds
;
foreach
(
var
v
in
m_arr_si
)
{
if
(
nTemp
<
v
.
Time
)
{
nIncrement
=
v
.
Value
;
break
;
}
}
m_dt_last_scroll_v
=
dt_now
;
var
c
=
m_core
;
if
(
e
.
Delta
>
0
)
{
if
(
c
.
Scroll
.
YValue
<=
0
)
return
;
if
(
c
.
Scroll
.
YValue
-
nIncrement
<
0
)
{
nIncrement
=
c
.
Scroll
.
YValue
;
}
c
.
Scroll
.
YValue
-=
nIncrement
;
c
.
Caret
.
Y
+=
nIncrement
*
c
.
LineHeight
;
// this.Font.Height;
}
else
{
if
(
c
.
Scroll
.
YValue
>=
c
.
Scroll
.
MaxYValue
)
{
return
;
}
if
(
c
.
Scroll
.
YValue
+
nIncrement
>
c
.
Scroll
.
MaxYValue
)
{
nIncrement
=
c
.
Scroll
.
MaxYValue
-
c
.
Scroll
.
YValue
;
}
c
.
Scroll
.
YValue
+=
nIncrement
;
c
.
Caret
.
Y
-=
c
.
LineHeight
*
nIncrement
;
// c.ITextRender.GetFontHeight();
}
c
.
ITextView
.
SetCaretPostion
(
c
.
Caret
.
IndexOfChar
)
;
//c.ITextView.SetCaretPostion(c.Caret.X, c.Caret.Y);
this
.
ShowScrollBar
(
c
.
Scroll
.
DisplayTime
)
;
this
.
Invalidate
(
)
;
//c.Scroll.Timer = 5;
}
protected
virtual
void
OnMouseHWheel
(
MouseEventArgs
e
)
{
DateTime
dt_now
=
DateTime
.
Now
;
//Console.WriteLine("Scroll: --------------------- " + dt_now.Subtract(m_dt_last_scroll_h).TotalMilliseconds);
int
nIncrement
=
1
;
int
nTemp
=
(
int
)
dt_now
.
Subtract
(
m_dt_last_scroll_h
)
.
TotalMilliseconds
;
foreach
(
var
v
in
m_arr_si
)
{
if
(
nTemp
<
v
.
Time
)
{
nIncrement
=
v
.
Value
;
break
;
}
}
m_dt_last_scroll_h
=
dt_now
;
var
c
=
m_core
;
if
(
e
.
Delta
<
0
)
{
if
(
c
.
Scroll
.
XValue
<=
0
)
return
;
if
(
c
.
Scroll
.
XValue
-
nIncrement
<
0
)
{
nIncrement
=
c
.
Scroll
.
XValue
;
}
c
.
Scroll
.
XValue
-=
nIncrement
;
c
.
Caret
.
X
+=
c
.
Scroll
.
XIncrement
*
nIncrement
;
}
else
{
if
(
c
.
Scroll
.
XValue
>=
c
.
Scroll
.
MaxXValue
)
{
return
;
}
if
(
c
.
Scroll
.
XValue
+
nIncrement
>
c
.
Scroll
.
MaxXValue
)
{
nIncrement
=
c
.
Scroll
.
MaxXValue
-
c
.
Scroll
.
XValue
;
}
c
.
Scroll
.
XValue
+=
nIncrement
;
c
.
Caret
.
X
-=
c
.
Scroll
.
XIncrement
*
nIncrement
;
}
//c.ITextView.SetCaretPostion(c.Caret.X, c.Caret.Y);
c
.
ITextView
.
SetCaretPostion
(
c
.
Caret
.
IndexOfChar
)
;
this
.
ShowScrollBar
(
c
.
Scroll
.
DisplayTime
)
;
this
.
Invalidate
(
)
;
//c.Scroll.Timer = 5;
}
protected
override
void
OnMouseDoubleClick
(
MouseEventArgs
e
)
{
base
.
OnMouseDoubleClick
(
e
)
;
var
c
=
m_core
;
var
fi
=
c
.
ITextView
.
FindFromPoint
(
e
.
Location
)
;
int
nIndex
=
fi
.
IndexOfChar
-
fi
.
Line
.
IndexOfFirstChar
;
int
nSelectionStart
=
fi
.
IndexOfChar
,
nSelectionLen
=
0
;
c
.
IWordSplitter
.
Each
(
fi
.
Line
.
RawString
,
(
str
,
nStart
,
nLen
)
=>
{
if
(
nIndex
>=
nStart
&&
nIndex
<
nStart
+
nLen
)
{
switch
(
str
[
nStart
]
)
{
case
'
\r
'
:
case
'
\n
'
:
return
false
;
}
nSelectionStart
=
fi
.
Line
.
IndexOfFirstChar
+
nStart
;
nSelectionLen
=
nLen
;
return
false
;
}
nSelectionStart
=
fi
.
Line
.
IndexOfFirstChar
+
nStart
;
nSelectionLen
=
nLen
;
return
true
;
}
)
;
c
.
Selection
.
SetSelection
(
nSelectionStart
,
nSelectionStart
+
nSelectionLen
)
;
c
.
Caret
.
IndexOfChar
=
c
.
Selection
.
EndIndex
;
c
.
ITextView
.
SetCaretPostion
(
c
.
Caret
.
IndexOfChar
)
;
this
.
Invalidate
(
)
;
}
}
}
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