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TRichEdit右键滚屏: K: b9 Y: q& _; G) Y6 w" Q/ X
+ \+ P! |- L' |/ \$ ~8 w) Z void __fastcall TMainForm::RichEditMouseMove(TObject *Sender,
1 i, ]8 P2 G& z4 x% s. ^TShiftState Shift, int X, int Y). j; V% _. I. C
{
) A% G; d( y9 G7 N& Y% Aif(RightButtonFlag)
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if(RightY>(Y+8))" R1 j$ C, F# l1 i& G$ ]
{
' [% T6 U+ a+ S* Z. h4 u' S' RRightY=Y;
$ @/ @- `/ G* Q1 d9 x0 j9 aSendMessage(RichEdit->Handle, EM_SCROLL, SB_LINEDOWN, 0);& @; C j8 C5 b: U0 U
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else if(RightY<(Y-8))
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RightY=Y;5 G% w) c8 _8 U( T6 ?
SendMessage(RichEdit->Handle, EM_SCROLL, SB_LINEUP, 0);3 Z+ w! ]9 e m& P" N) r% F6 K
}
3 t; U5 f$ u6 K+ Y6 g6 {RichEditDragFlag=true;
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}; t; m9 b: e/ E0 ?
//--------------------------------------------------------------; K( G; h' ~' m
void __fastcall TMainForm::RichEditMouseDown(TObject *Sender,7 X. Z9 Z5 U5 f6 s1 U* D
TMouseButton Button, TShiftState Shift, int X, int Y)
# i, V) _ l' M4 O3 k2 c% {8 E( ^{
. \* _: p1 m' gif(Button==mbRight)! b( j5 }5 W% i$ v& d; Z+ C2 W* Z9 Y
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RightButtonFlag=true;3 J7 E. _' {. g/ g
Screen->Cursor=crHandPoint;$ R! }3 K; @+ q( l+ n
RightX=X;* Q1 m- [8 ~1 d) n
RightY=Y;, R2 Q4 f* r; C7 U. d
SetCapture(RichEdit->Handle);
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) ^) v1 y7 ~) ^- G2 f7 L- @9 O" Gelse
0 v- s/ B O" e0 e+ u1 ARightButtonFlag=false;
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+ |" |1 W) B1 L& C ?7 L; v//--------------------------------------------------------------5 |9 Q& y5 M, U
void __fastcall TMainForm::RichEditMouseUp(TObject *Sender,$ w7 _1 b* U! e
TMouseButton Button, TShiftState Shift, int X, int Y)
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if(RightButtonFlag)8 s: b/ I/ Y8 Q( b. ?! d8 T
ReleaseCapture();
7 m$ K2 o9 K4 U" f9 _; sif(RichEditDragFlag)
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RightButtonFlag=false;' n7 C8 u& M1 P: p' o$ ~4 O
RichEditDragFlag=false;
9 L- G/ U) p+ Y# ? T9 y( HScreen->Cursor=crDefault;& Q% a5 Z5 P$ j. _* T. Q0 x5 x
RichEdit-> opupMenu=NULL;% h2 B, w D; _6 a# D
}
! `2 t3 n: a' ]! V( e3 Relse
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RichEdit-> opupMenu=RichEditPopupMenu;. s/ [0 f$ D( U8 j2 P
}
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