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依然是菜鸟求助7 \4 ^7 d" | O. a: s |! p z
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。; e$ c/ e0 S8 d/ Z
int GP_action_0_act_cb ( int dialog_id,
. x0 ^2 P7 |( K1 G3 O8 w8 W- v3 c void * client_data,
* x# O$ i5 _6 C0 Y* d UF_STYLER_item_value_type_p_t callback_data)
, t* m5 Q5 _; h3 G- k$ L1 \. d# a( w{
7 N* f) q7 z: B3 O0 g /* Make sure User Function is available. */
( Q( p+ `0 X+ i0 _ if ( UF_initialize() != 0) 5 F# T3 `& o+ p( l- B) t% D- v
return ( UF_UI_CB_CONTINUE_DIALOG );4 C P N9 `% B9 P0 G3 \+ n. A: h( `
/* ---- Enter your callback code here ----- */5 |+ r$ I% d& B9 k! i/ V3 y
char message[133];
* {1 k8 C* x" z/ dmessage[0]='\0';1 a& f3 y& q' F3 k: I
strcpy(message, "请选择一条曲线");0 s: [ l: p# m
UF_UI_selection_options_t opts;
: G3 ~4 I. p w$ x7 @. U9 iUF_UI_mask_t mask;
) ^+ I: J' _% y, t$ O9 v8 ~8 A7 n+ g6 Vint response;+ z) V) }, d; |2 K. n1 Z% G
tag_t object, view;
9 Q$ W1 s6 x7 q. E& ldouble cursor[3];- R+ |& r$ o3 k& S2 C9 `
int unhighlight=0;7 k3 \8 {- N: s& |( W, F
4 G; q+ e& `- _6 T4 Z2 yUF_initialize();
& ?5 w. I b" \7 G3 Popts.other_options=0;2 u" L6 }0 Z% j0 x0 H- d# H
opts.reserved=NULL;
8 Q1 a1 g- w4 gopts.num_mask_triples=1;" K# x9 X- ^, N6 X* ?
opts.mask_triples=&mask;
8 J t) ^( p) y* Vopts.mask_triples->object_type=UF_spline_type;
. C9 ~: P1 [- A6 L. B4 S1 ], B( hopts.mask_triples->object_subtype=0;
! \; p. ~) t9 ?4 A' ~. @) ~: _opts.mask_triples->solid_type=0;
3 ~5 V6 S0 n! u$ `. b* q- L, ^opts.scope=UF_UI_SEL_SCOPE_ANY_IN_ASSEMBLY;
# N$ g5 Q0 [6 h" X- M" z& ~8 n! fdouble port[3];
- J; B9 X5 z4 l( a+ T
1 c. L) P* T0 `, Vdo{int irc=UF_UI_select_single(message, &opts, &response, &object, cursor, &view);}
! f% V- t6 P3 @8 B- i& Vwhile (!(response==UF_UI_OBJECT_SELECTED));
: l8 u+ ]* u+ ]1 Kif (response!=UF_UI_OBJECT_SELECTED): ~9 s9 M$ ^ w- y
{
0 B) h4 B5 Z8 f) E3 |uc1601("No Curve Selected",1);9 d' m) w. Z5 X6 u
UF_terminate ();3 i: t# P. E) }: n" e* L
return (UF_UI_CB_CONTINUE_DIALOG);& S6 r- v1 ]; G
}
# {7 s, u1 \& [9 S
4 a" W" x* }. D2 O3 ^2 Qint ret=UF_MODL_ask_curve_props(object,0.5,port,NULL,NULL,NULL,NULL,NULL);
% V, `* G, d; E/ s7 k char message2[133];
a/ b% c7 Z6 y W' R message2[0]='\0';
* P, a2 a1 l5 m/ c8 F* a sprintf (message2, "曲线中点坐标为：%f,%f,%f",port[0],port[1],port[2]);
3 N$ P* u% m4 @4 G$ k6 ]& ` uc1601(message2,1);
8 w, \3 }6 T& M' o6 y: Y" L+ T; Z3 |# ~
UF_terminate ();
! N) _+ c0 w0 e2 lreturn (UF_UI_CB_CONTINUE_DIALOG);& }) O- M" F9 p' j9 \6 r2 p
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发表于 2007-6-2 18:33:22
