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依然是菜鸟求助
8 P" s! Q, {6 T$ j$ J9 Y% K5 ]我用UIStyler建立了一个按钮，那如何实现：点击该按钮后可以用鼠标选择一曲线，获得该曲线中点坐标位置，我的程序如下，但是似乎总是死循环。7 }$ X0 w( r. s9 o- r& L( J
int GP_action_0_act_cb ( int dialog_id,
. O- h! T5 h5 h) a- y9 ]- i void * client_data,9 [/ g2 W: y& G/ X z- C
UF_STYLER_item_value_type_p_t callback_data)7 v( U, U( t9 e( n9 I
{
% E9 ?7 b9 L) F8 J. _ /* Make sure User Function is available. */ ' k6 `" q' S% l
if ( UF_initialize() != 0) 9 h7 ~) n7 ]6 K$ c" p# {* Z. m
return ( UF_UI_CB_CONTINUE_DIALOG );; N/ f! A; D2 |6 a8 z6 n) h, [4 ~9 T
/* ---- Enter your callback code here ----- *// i8 x& S5 t3 @/ j& |; }3 L
char message[133];
5 A# H) ]' e# p0 Q# jmessage[0]='\0';
5 y! G/ k* t g/ r8 E( W9 m5 k2 Fstrcpy(message, "请选择一条曲线");
- f+ w- M' A/ _* l$ H) k2 Q+ G* SUF_UI_selection_options_t opts;
, J- l$ ^4 v9 K8 pUF_UI_mask_t mask;
' ?! }& \7 N; ], ~6 oint response;
7 ]; X" P) P! ftag_t object, view; G- {/ l* Y6 f
double cursor[3];
2 t6 H3 ]+ _" X, {- ]! l/ sint unhighlight=0;( m& V$ W/ h0 k* ]8 O
5 o! _( V' R5 y2 v
UF_initialize();
?7 T1 s% v, v$ q3 b yopts.other_options=0;
4 y0 n1 J* R9 f G/ R: d. ^opts.reserved=NULL;
( J0 \, r2 Z& [/ O) m$ @7 |opts.num_mask_triples=1;
! l; ^ {: R# t+ P) gopts.mask_triples=&mask;% e- t: T: O+ c5 K+ L0 V. B9 z
opts.mask_triples->object_type=UF_spline_type;2 Z" H0 P2 O j8 W! X( y* V5 I! g
opts.mask_triples->object_subtype=0;
4 Z" C$ l7 ^/ g2 T( I' A8 Xopts.mask_triples->solid_type=0;
* D, Y% b+ u! D" E3 ?9 Oopts.scope=UF_UI_SEL_SCOPE_ANY_IN_ASSEMBLY;
8 b3 Z: ~ Q/ {% l% _+ I0 ~* Edouble port[3];
( I$ d8 F# D; U8 y2 b: R9 j" B, I* U `8 z) y
do{int irc=UF_UI_select_single(message, &opts, &response, &object, cursor, &view);}4 ^/ G3 ~& Z& k4 N% P/ d* H
while (!(response==UF_UI_OBJECT_SELECTED));! n" p# U! J {) m. T1 U& Z/ D- M& @) O
if (response!=UF_UI_OBJECT_SELECTED)
+ W. \* y# `0 b0 p# f* a{
0 Z, N/ F+ [- K ouc1601("No Curve Selected",1);0 Y3 _) y; P: B; n2 B
UF_terminate ();7 L6 Y& F8 p0 O1 X
return (UF_UI_CB_CONTINUE_DIALOG);
& t4 R1 Z5 V2 R. f}
" v, P T- V) {7 ]7 @9 X! j
% A* l' ~. F/ [int ret=UF_MODL_ask_curve_props(object,0.5,port,NULL,NULL,NULL,NULL,NULL);
7 E6 g$ O) D) t' H char message2[133];
$ H& m, Q) ?. A/ B message2[0]='\0';
z( Q* ]% ]* S% S sprintf (message2, "曲线中点坐标为：%f,%f,%f",port[0],port[1],port[2]);
+ s$ E6 l8 X p+ @ uc1601(message2,1);
* x, h) _8 t3 z P- _0 L5 j/ j t n; \& `
UF_terminate ();6 h0 m8 _/ ~6 `1 J, N
return (UF_UI_CB_CONTINUE_DIALOG);2 n, \6 c" Z9 S( j" A2 W* f w
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发表于 2007-6-2 18:33:22
