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依然是菜鸟求助
# D$ Y# v& \ F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。5 j H/ p5 d0 A) T9 ^. P; D
int GP_action_0_act_cb ( int dialog_id,
, H- M: h5 a @' P void * client_data," t. p0 p# U2 s- W+ t& E! k
UF_STYLER_item_value_type_p_t callback_data)
) s, k! Y: [1 M{- d- O' }) w/ `" R! Z: }
/* Make sure User Function is available. */
6 {( `8 d3 M* I1 B if ( UF_initialize() != 0)
: |% j h+ S5 [5 ? return ( UF_UI_CB_CONTINUE_DIALOG );+ F5 L3 M$ P) l
/* ---- Enter your callback code here ----- */
3 x9 y4 b" M2 m7 ]0 K; T$ G8 ychar message[133];
# K ` b0 v- nmessage[0]='\0';
% r; u4 d9 t0 q/ g5 W1 |2 Z& Y0 xstrcpy(message, "请选择一条曲线");
) K4 A6 H$ \; } o9 y5 i8 g3 B* ^" n XUF_UI_selection_options_t opts;
4 ?' M) X6 ^5 H3 Z4 y1 tUF_UI_mask_t mask;, j- v* i' _3 K5 k* a2 J$ K
int response;. I* x7 d; @) U% P4 B3 M! Y
tag_t object, view;* R& p! f6 Y1 ?! E; E, i' q
double cursor[3];3 }, {3 g$ A' i4 |# S1 |3 O. ~
int unhighlight=0;/ l$ {/ S1 }- W) U( D9 p4 P
# Q4 f" B$ b. C# V: xUF_initialize();) j7 j; H2 `7 E
opts.other_options=0;( e1 `! U& W6 W. f- t9 n6 Z
opts.reserved=NULL;% i1 D! B4 p o8 f: w
opts.num_mask_triples=1;' W; G% C3 m2 o1 U) O
opts.mask_triples=&mask;
- T. C0 b+ n' @! Y5 iopts.mask_triples->object_type=UF_spline_type;0 Q& B+ A+ W) {2 g% O% r, _8 Y7 P
opts.mask_triples->object_subtype=0;6 t' U6 c" Q! ]
opts.mask_triples->solid_type=0;
9 U6 [* I5 \. {. B' S* F! Sopts.scope=UF_UI_SEL_SCOPE_ANY_IN_ASSEMBLY;8 z( l% S1 w9 S. P: W
double port[3];5 k5 q7 B; w$ B$ F6 v4 m# P5 \
, E- t$ S P& E7 |
do{int irc=UF_UI_select_single(message, &opts, &response, &object, cursor, &view);}
% r* s5 ^8 h+ D1 i' [8 x& i% Dwhile (!(response==UF_UI_OBJECT_SELECTED));1 O( l! G0 u* g( j- l4 E/ q" B
if (response!=UF_UI_OBJECT_SELECTED)
( R. S/ F# S9 S" f8 K{
# i/ R0 w# ?* i* j# Euc1601("No Curve Selected",1);
1 a" t$ A7 [, b) |4 E/ LUF_terminate ();
! p4 s( h8 G. M) treturn (UF_UI_CB_CONTINUE_DIALOG);
7 N' S" a+ w" x0 }}
0 X2 [) q% l# G , t( c" H+ x8 o" @7 ~6 o/ p
int ret=UF_MODL_ask_curve_props(object,0.5,port,NULL,NULL,NULL,NULL,NULL);" W& e9 `4 ^: R& J2 s
char message2[133];
( M S6 ~ X7 k& N8 t0 X( O message2[0]='\0';; K# j5 j0 N7 J0 Y0 c- V
sprintf (message2, "曲线中点坐标为:%f,%f,%f",port[0],port[1],port[2]);; X$ f3 B+ C" u, N
uc1601(message2,1);4 I: N1 I: O6 i7 Y
0 ?9 d5 g" |4 m( wUF_terminate ();8 O- I; Z: Z/ v, I. T0 D
return (UF_UI_CB_CONTINUE_DIALOG);! ]) r0 K# s! r4 m& F
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