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TRichEdit右键滚屏6 \# z# @; c: p$ W( `" u9 g
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void __fastcall TMainForm::RichEditMouseMove(TObject *Sender,
/ d' d0 f5 l. x% QTShiftState Shift, int X, int Y)5 d8 S% ~/ N9 |. L, k; a6 K' j
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if(RightButtonFlag)
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if(RightY>(Y+8))- @5 e ?8 |3 Q+ D0 p2 t, X; w
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RightY=Y;
% E! n& z' n, b0 x! ]: A4 vSendMessage(RichEdit->Handle, EM_SCROLL, SB_LINEDOWN, 0);! g+ Q! h5 {" L4 v+ J
}
% j# m6 j3 ]8 I Aelse if(RightY<(Y-8))! F. O0 J: S9 M& r2 g. G
{
$ N+ M1 m1 [' j. r pRightY=Y;4 G7 P3 Y# ]+ E) f! K1 ~( s4 m
SendMessage(RichEdit->Handle, EM_SCROLL, SB_LINEUP, 0);
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, ]! d! q: u6 b# T; ^' Q. tRichEditDragFlag=true;
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//--------------------------------------------------------------3 F0 o, ]/ D/ e
void __fastcall TMainForm::RichEditMouseDown(TObject *Sender,+ t2 V8 w8 \0 {: K; j
TMouseButton Button, TShiftState Shift, int X, int Y)
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if(Button==mbRight)
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RightButtonFlag=true;3 w: C! y! f# V9 ?6 v6 s
Screen->Cursor=crHandPoint;3 L2 B# b V* E
RightX=X;- q$ V H) j0 f
RightY=Y;
" V1 z, A8 e- A' f4 r3 }5 ]% }SetCapture(RichEdit->Handle);! K0 T% @ O) m* [7 Y+ m* `# {
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else
+ a) N9 y5 l: xRightButtonFlag=false;
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4 [" V! R2 r4 B/ a6 N; O3 H//--------------------------------------------------------------
, l" Z8 _' \8 @4 C u* Pvoid __fastcall TMainForm::RichEditMouseUp(TObject *Sender,
4 z6 r1 g8 \4 N, w, ^" ETMouseButton Button, TShiftState Shift, int X, int Y)/ t% E: L( V6 L' N6 ]" B2 c8 g' [
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if(RightButtonFlag)& a9 Q) [# x# B: Y- F1 Z
ReleaseCapture();
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{
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RichEditDragFlag=false;
) |; R1 g) V! t9 C8 U' nScreen->Cursor=crDefault;) c4 {7 @" l/ s) }
RichEdit-> opupMenu=NULL;
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{
4 [0 b# [5 X, F2 }: ]7 zRichEdit-> opupMenu=RichEditPopupMenu;
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