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TRichEdit右键滚屏
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void __fastcall TMainForm::RichEditMouseMove(TObject *Sender,3 E2 J) X! s2 T
TShiftState Shift, int X, int Y)' X" S# V& b* g$ f! t4 P
{
* s- d) G7 \- @+ ~' h7 N( m" t( Mif(RightButtonFlag)
; P$ O/ x' X6 x{
* F8 R/ O5 t) [) w/ W2 Kif(RightY>(Y+8))
" d1 K. e' d- X6 _, `{
2 _6 x j3 |1 Q M \RightY=Y;
' y% ?7 B3 U) t+ A" Y9 T ^SendMessage(RichEdit->Handle, EM_SCROLL, SB_LINEDOWN, 0);
2 G* y" \. s2 j7 h; E}
$ U/ p( b: w+ ^1 n! x# i! ^8 g5 q+ Melse if(RightY<(Y-8))! Y: E S0 P5 M: Z c: G0 \
{' n' M U: d0 c l! e8 q% |* S3 j
RightY=Y;7 l2 } T5 `; S- q+ _+ P, |+ s
SendMessage(RichEdit->Handle, EM_SCROLL, SB_LINEUP, 0);$ G; u5 y, {* u* c6 |! `! E/ E
}1 w8 F6 x7 @! A$ O4 j3 [6 D* R
RichEditDragFlag=true;
$ @, ^* L; T# W! l}
' i: I: Q* U3 C6 m# q}
9 @0 f$ K4 d5 M" g6 `//--------------------------------------------------------------
2 B9 R* M8 e! v U. Hvoid __fastcall TMainForm::RichEditMouseDown(TObject *Sender,
: A' r- T- ^- S6 Y3 t! ^. u1 ?TMouseButton Button, TShiftState Shift, int X, int Y)
# C( V8 M2 |7 Z* z0 V{
) @1 @3 Y3 e; r' C8 S3 L0 {if(Button==mbRight)
% b6 ]! y* B7 S5 { k# L3 y4 H{' E6 `; `2 y; ~. _7 [3 \. O
RightButtonFlag=true;7 J& Y7 e3 i! y4 g. h- N
Screen->Cursor=crHandPoint; |: g2 Z6 ]! g3 }2 \
RightX=X;" P) \0 Q/ |8 O" x8 t
RightY=Y;2 }1 u2 U' Q" e$ b, E
SetCapture(RichEdit->Handle);
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else4 i% o# U0 v2 R6 ^6 Y
RightButtonFlag=false;+ w0 V+ y2 J2 p1 h* u) I2 A
}
2 V. O3 R) \8 L1 R5 h" M& @; S//--------------------------------------------------------------
; ]7 E) _6 b2 W6 a; `7 Svoid __fastcall TMainForm::RichEditMouseUp(TObject *Sender,
: U5 z6 C( ?) Q' p6 M; yTMouseButton Button, TShiftState Shift, int X, int Y)
; K t. i8 V+ u1 \ E{8 f: I7 n+ c, q( P" }9 S$ n; U" i! i
if(RightButtonFlag)
4 [/ C' T- M# kReleaseCapture();3 _7 Z9 E, ^+ H, m q
if(RichEditDragFlag)
( |7 B0 j0 `/ Y- y{! b; A; n8 `5 |) y
RightButtonFlag=false;
] P$ {' G2 g9 e% r; VRichEditDragFlag=false;1 W% o! T& c" o
Screen->Cursor=crDefault;8 C8 E$ r3 ^/ u& o$ m
RichEdit-> opupMenu=NULL;
/ q: T" w) X2 q" F& S4 Q6 n0 V}( n0 K; q& B: E4 N; \; S9 b
else* v0 l8 p" Y6 b) c- [( R d
{+ o7 m2 Q5 d2 v1 r- _( a9 a' }
RichEdit->opupMenu=RichEditPopupMenu;
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发表于 2005-1-26 12:25
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