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依然是菜鸟求助$ `4 ^7 B# \4 U4 u" O- ] b
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。3 ^* w* |" t& s! \* u
int GP_action_0_act_cb ( int dialog_id,
4 J. h# c" M j q3 T1 m2 | void * client_data,
% Y0 b9 H( L5 P3 W6 x UF_STYLER_item_value_type_p_t callback_data), a0 n8 t) Y& @8 a/ V* v! \
{2 j" O/ d2 U) [+ ?( |, v
/* Make sure User Function is available. */ ( t# d+ h* D: E7 W( h! ^% [+ K
if ( UF_initialize() != 0) 6 t. D1 K$ I9 V J' I: E
return ( UF_UI_CB_CONTINUE_DIALOG );6 T, D' k$ n' C2 x' a6 H# n
/* ---- Enter your callback code here ----- */6 `) V; A% |# ]0 ], j
char message[133];
% Z/ E# X) j* U O( mmessage[0]='\0';
- N3 E7 I, M" rstrcpy(message, "请选择一条曲线");1 z5 o% Z, P9 o& F4 j" U' X: N
UF_UI_selection_options_t opts;" e) B6 E9 J4 n
UF_UI_mask_t mask;
- s: ` X* R0 fint response;
6 P2 m9 h4 h5 |& b5 J- Ptag_t object, view;
( D+ N; ~, ] t+ t4 Idouble cursor[3];# X" W0 g/ x# y" p. k/ S
int unhighlight=0;4 N1 s6 M# G, Y8 U- \# D+ v7 c# |8 q
0 ` N, L4 k5 ~; ?UF_initialize();% {; W* _2 s; S/ n Z/ a
opts.other_options=0;0 b" j/ Z* j+ \
opts.reserved=NULL;
Q' Q: |1 A: w. j1 Oopts.num_mask_triples=1;9 C# m0 h& r' b% l) N
opts.mask_triples=&mask;3 q: G& x- d1 ]
opts.mask_triples->object_type=UF_spline_type;5 C) A) I& ]$ q/ n* M
opts.mask_triples->object_subtype=0;
( p4 z( `) w# ] qopts.mask_triples->solid_type=0;& R3 W: B/ l/ B) R
opts.scope=UF_UI_SEL_SCOPE_ANY_IN_ASSEMBLY;+ Z& ~7 A# O: H p' f7 w! G
double port[3];
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! y" X% n# f7 X2 y% n" F1 Sdo{int irc=UF_UI_select_single(message, &opts, &response, &object, cursor, &view);}, y* @0 R/ }! t( {
while (!(response==UF_UI_OBJECT_SELECTED));
. C/ p2 L, N2 C$ H- o; c, }if (response!=UF_UI_OBJECT_SELECTED)( R! q4 ?4 B/ ]- M7 L3 C. _, E% _
{
4 Q; r3 x) c* h1 s) y8 b6 R! I' N; @uc1601("No Curve Selected",1);& \# G# ]% K0 [; i. J6 O
UF_terminate ();- D3 [9 E5 f, v; B4 [7 T
return (UF_UI_CB_CONTINUE_DIALOG);
: m3 D6 d: W3 l}
. c: D4 ?4 F" O) C- I' m4 a' u 7 q- ]1 K" C; n0 n4 k2 P* z
int ret=UF_MODL_ask_curve_props(object,0.5,port,NULL,NULL,NULL,NULL,NULL);8 g) ~' u$ }. B, n8 r, Z: H! j
char message2[133];
1 c6 z. \- x0 H2 K% A message2[0]='\0';
) G5 Y2 H3 d t+ A sprintf (message2, "曲线中点坐标为：%f,%f,%f",port[0],port[1],port[2]);; Y: |7 u2 {; V$ q- K
uc1601(message2,1);
+ \2 B& D B$ {* w. _- E6 z5 R& [/ \- R9 N' D# W; a3 ~7 f) d
UF_terminate ();
% |+ h2 o% B, ~7 H3 l4 Q, Mreturn (UF_UI_CB_CONTINUE_DIALOG);
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发表于 2007-6-2 18:33:22
