|
TRichEdit右键滚屏
6 b' s5 b7 S3 F r# p& V& C
7 a b! |; j+ h/ {: a, L: {. R: W void __fastcall TMainForm::RichEditMouseMove(TObject *Sender,
2 g; i+ K5 I* D2 x9 Q! p3 x, nTShiftState Shift, int X, int Y)3 q7 b/ [ g! b; |
{- t% f1 O* S) J. j& p+ N/ m8 |" }
if(RightButtonFlag)
1 a% R7 K* U; m# ?( D{
1 z/ P- u& v* o: ~. ?2 ^if(RightY>(Y+8))
2 F6 m9 |6 ?3 ?$ p- D2 Y# Q{
9 ]# f+ K7 e% e/ nRightY=Y;% i: M ]) g$ U, [8 l% r
SendMessage(RichEdit->Handle, EM_SCROLL, SB_LINEDOWN, 0);
0 b5 K- C' v" E+ k5 R}3 |* q9 Q# k! i) K$ u H8 f- [
else if(RightY<(Y-8))- M2 K0 U/ @9 j) M
{
$ U5 \6 @& }- c$ RRightY=Y;
! Q; p, E: n9 V0 h6 Z1 A/ NSendMessage(RichEdit->Handle, EM_SCROLL, SB_LINEUP, 0);1 ]5 n2 U2 @4 y3 _
}3 Q. k5 X& Q: ]% T4 o
RichEditDragFlag=true;
5 A$ z' I$ Z' M3 M8 z+ c1 S, w}
" y5 C$ M4 I; z1 i}% k+ M: Q0 J$ X ]. _8 j
//--------------------------------------------------------------
; e. o1 g8 K# s( ]: I" e' X/ Q+ m, [- Evoid __fastcall TMainForm::RichEditMouseDown(TObject *Sender,0 e8 y f: z, P
TMouseButton Button, TShiftState Shift, int X, int Y)- K c9 A! [0 V* j5 O; s
{# m' A0 {9 S3 ]% y1 [3 ?
if(Button==mbRight)8 q- j: v7 n/ i: o |7 S7 ~9 \, ^1 Q
{% a+ U3 N$ I& e' }8 ?/ |5 `2 E: V
RightButtonFlag=true;
4 L7 i g2 {6 V" {! `Screen->Cursor=crHandPoint;
4 `* J0 ~2 [! m: p; q* JRightX=X;
; y" \- b" Z; D: g- Z! p4 GRightY=Y;! v; l+ t. D* r0 `3 s! X$ y7 [) J
SetCapture(RichEdit->Handle);9 ~; ]! Q8 E2 K8 P& G! H
}: c0 e+ y& p1 I+ a! e i1 M1 \) Z
else
" Z" Z! u5 e; M( \# a2 }6 {RightButtonFlag=false;
% [( B8 g+ R( m5 A# _& n9 w}! E1 N7 w" {$ _/ s. t9 T! t
//--------------------------------------------------------------
# n9 M2 ?( |1 ]$ p5 ]" \void __fastcall TMainForm::RichEditMouseUp(TObject *Sender,
+ V% h5 \4 r1 v8 }8 `( n2 vTMouseButton Button, TShiftState Shift, int X, int Y)
3 @2 k8 ]' k$ Z; m5 E5 `! ]3 \{& S+ W, x0 v1 \
if(RightButtonFlag)
% i v% b [; n/ _$ {ReleaseCapture();# l9 z, T- d- N0 ~
if(RichEditDragFlag), q: E, ]( n" ?; v& e- P; i
{
5 r3 ]$ y: S" Q9 {8 ^# @/ r: qRightButtonFlag=false;
; T; n$ Q! H; A2 _6 O1 ]: K( Z1 x9 nRichEditDragFlag=false;
: K8 Y7 i, d* h/ b/ m3 C5 YScreen->Cursor=crDefault;# a7 ]$ y% E0 B6 P4 z8 `$ }: ~
RichEdit-> opupMenu=NULL;1 |) {5 @5 w2 K0 x& l; X
}5 V+ z/ G6 O# s2 E g5 |
else& t0 W. Z5 X. t# v7 Y7 g. S
{4 ~& u, `0 c; K' s
RichEdit->opupMenu=RichEditPopupMenu;6 h, C; P: ~, }; E9 x- K0 v6 O" W& m
}
" r0 `' {- ?9 h6 f8 p} * s8 r6 u6 l; D! |
| 
IP卡
狗仔卡
发表于 2005-1-26 12:25
转播
淘帖
分享
收藏
支持
反对
微信
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
抢沙发
显身卡
