server/ext/widget.ext

#! perl # mandatory depends=login

# sends the following ext message types
# ws_a       id name...                        # associate well-known widget with given id
# ws_n       ws                                # widgetset new
# ws_d       ws                                # widgetset destroy
# ws_c       ws id class @args                 # widgetset create
# ws_ct      ws ttype ttext done_cb \%cfg      # widgetset create from template
# w_c        id rid name @args                 # widget method call
# w_s        id @attr                          # widget member set
# w_g        id rid @attr                      # widget member get
#
# and expects the following exti message types
# w_e        id @args                          # widget_call

our $DEBUG = 1;

cf::client->attach (
   on_connect => sub {
      my ($ns) = @_;

      Scalar::Util::weaken (my $weakns = $ns);

      $ns->{id} = "a";
      $ns->{json_coder}->filter_json_single_key_object ("\fw" => sub {
         $weakns->{widget}{$_[0]}
      });
   },
);

sub csc_update_stats {
   my ($ns) = @_;

   while (my ($k, $v) = each %{ $ns->{csc}{stat} }) {
      $v->set_text ($ns->pl->ob->stats->$k);
   }
}

my $cg_template = eval <<EOF;
[
   Toplevel => {
      s_id    => "toplevel",
      title   => "Character Creation",
      x       => "center",
      y       => "center",
      z       => 5,
      force_w => 760,
      force_h => 440,
      s_cl => [VBox => { s_cl => [
         Label => {
            text     => "Character Creation",
            fontsize => 1,
            align    => 0,
         },
         Label => {
            markup   => "View or Edit your character attributes below, then press <b>Finish</b> to create your character",
            fontsize => 0.8,
            align    => 0,
         },
         HBox  => { s_cl => [
            Face => {
               s_id  => "face",
               face  => 0,
               bg    => [.2, .2, .2, 1],
               min_w => 64,
               min_h => 64,
            },
            Label => {
               s_id      => "desc",
               fontsize  => 0.8,
               ellipsize => 0,
            },
         ]},
         Notebook => {
            expand => 1,
            s_cl => [
               Table => {
                  c_tab => ["Basics", "Title, background and other information of your character."],
               },
               Table => {
                  c_tab => ["Stats", "Your character's primary stats such as strength, dexterity and so on."],
               },
               Table => {
                  c_tab => ["Race", "Your character's race."],
               },
               Table => {
                  c_tab => ["Class", "Your character's initial class."],
               },
            ],
         },
         Button => {
            s_id => "finish",
            text => "Finish",
         },
      ]}],
   },
]
EOF
die if $@;

sub demo_start {
   my ($ns) = @_;

   my $ws = $ns->{csc} = $ns->new_widgetset;

   my ($tl, $entry) = $ws->template (inline => $cg_template,
      [
         toplevel => {},
         entry    => {
            text => "xyz",
            on_changed => sub {
               warn "changed<@_>\n";#d#
            },
         },
      ],
   );

   $tl->show;

   $ns->{xxxw} = [$tl, $entry];#d#
   
#   $ws->find ("setup_notebook")->add ($ws->{tab});
#   $ws->find ("setup_dialog")->toggle_visibility;
}

sub csc_start {
   my ($ns) = @_;

   my $ws = $ns->{csc} = $ns->new_widgetset;

   my $w = $ws->new (Toplevel =>
      min_w => 600,
      min_h => 400,
      x     => "center",
      y     => "center",
      title => "Character Creation",
      has_close_button => 1,
      on_delete => sub {
         $ws->destroy;
      },
   );

   $w->add (my $ntb = $ws->new (Notebook => expand => 1));

   $ntb->add_tab (Statistics => (my $stats = $ws->new (Table => expand => 1)), "Basic statistics of your new character");

   $stats->add_at (0, 0, (my $statstable = $ws->new ("Table")));

   for (
      [0, "Str"],
      [1, "Dex"],
      [2, "Con"],
      [3, "Int"],
      [4, "Wis"],
      [5, "Pow"],
      [6, "Cha"],
   ) {
      my ($x, $label) = @$_;

      $statstable->add_at ($x, 0, $ws->new (Label =>
         can_hover => 1, can_events => 1,
         align => +1, text => $label, tooltip => "#stat_$label",
      ));
      $statstable->add_at ($x, 1, $ws->{stat}{$label} = $ws->new (Label =>
         can_hover => 1, can_events => 1,
         align => +1, template => "88", tooltip => "#stat_$label",
      ));
   }

   csc_update_stats $ns;

   $ws->{tl} = $w;
   $w->show;
}

cf::player->attach (
   on_login => sub {
      my ($pl) = @_;

      return unless $cf::CFG{devel};

      my $ns = $pl->ns;

      return unless $ns->{can_widget};
      #csc_start $ns;
      demo_start $ns;
   },
);

cf::register_exticmd w_e => sub {
   my ($ns, $id, @args) = @_;

   if (my $cb = $ns->{widget_cb}{$id}) {
      $cb->(@args);
   }

   ()
};

sub cf::client::new_widgetset {
   my ($self) = @_;

   my $id = ++$self->{id};

   my $ws = bless {
      id => $id,
      ns => $self,
      _w => {},
   }, "ext::widget::set";

   $ws->msg (ws_n => $id);

   $ws
}

sub cf::client::alloc_wid {
   pop @{ $_[0]{ids} }
      or ++$_[0]{id}
}

sub cf::client::free_wid {
   push @{ $_[0]{ids} }, $_[1];
}

#############################################################################

package ext::widget::set;

sub DESTROY {
   $_[0]->destroy;
}

sub destroy {
   my ($self) = @_;

   $self->msg (ws_d => $self->{id});
   delete $self->{ns};
   $_->destroy
      for values %{ $self->{w} };
}

sub msg {
   my ($self, @msg) = @_;

   if (my $ns = shift->{ns}) {
      warn "msg " . $ns->{json_coder}->encode (\@msg) if $DEBUG;#d#
      $ns->send_packet ("ext " . $ns->{json_coder}->encode (\@msg));
   }
}

sub alloc {
   my ($self) = @_;

   my $id = $self->{ns}->alloc_wid;

   my $proxy = bless {
      id => $id,
   }, "ext::widget::proxy";

   Scalar::Util::weaken ($proxy->{ns} = $self->{ns});
   Scalar::Util::weaken ($self->{ns}{widget}{$id} = $proxy);

   $proxy
}

sub new {
   my ($self, $class, %args) = @_;

   my $proxy = $self->alloc;

   Scalar::Util::weaken ($self->{_w}{$proxy->{id}} = $proxy);
   Scalar::Util::weaken ($proxy->{ws} = $self);

   for my $ev (grep /^on_/, keys %args) {
      $args{$ev} = $proxy->{"_$ev"} = $proxy->cb ($args{$ev});
   }

   $self->msg (ws_c =>
      $self->{id},
      $proxy->{id},
      $class,
      \%args,
   );

   $proxy
}

sub template {
   my ($self, $type, $template, $args, $done_cb) = @_;

   my %cfg;
   my @res;

   while (@$args) {
      my ($name, $args) = splice @$args, 0, 2, ();

      my $proxy = $self->alloc;

      Scalar::Util::weaken ($self->{_w}{$proxy->{id}} = $proxy);
      Scalar::Util::weaken ($proxy->{ws} = $self);

      for my $ev (grep /^on_/, keys %$args) {
         $args->{$ev} = $proxy->{"_$ev"} = $proxy->cb ($args->{$ev});
      }

      $cfg{$name} = {
         %$args,
         id => $proxy->{id},
      };

      push @res, $proxy;
   }

   if ($done_cb) {
      my $proxy = $self->alloc;
      my $ocb = $done_cb;
      $done_cb = $proxy->cb (sub {
         undef $proxy;
         undef $done_cb;
         &$ocb
      });
   }

   $self->msg (ws_ct =>
      $self->{id},
      $type => $template,
      $done_cb,
      \%cfg,
   );

   @res
}

sub find {
   my ($self, @names) = @_;

   my @res;
   my @alloc;

   for my $name (@names) {
      push @res, $self->{ns}{widget_wkw}{$name} ||= do {
         my $proxy = $self->alloc;

         push @alloc, $proxy->{id} => $name;

         $proxy
      };
   }

   $self->msg (ws_a => @alloc)
      if @alloc;

   wantarray ? @res : $res[0]
}

#############################################################################

package ext::widget::proxy;

sub DESTROY {
   my ($self) = @_;

   delete $self->{ns}{widget}{$self->{id}};

   if (my $ws = $self->{ws}) {
      $self->msg (w_c => 0, "destroy");
      delete $ws->{_w}{$self->{id}};
   }
}

sub cb {
   my ($self, $cb) = @_;

   my $proxy = bless {
      ns => $self->{ns},
      id => $self->{ns}->alloc_wid,
   }, "ext::widget::callback";

   Scalar::Util::weaken $proxy->{ns};

   $self->{ns}{widget_cb}{$proxy->{id}} = $cb;

   $proxy
}

sub oneshot_cb {
   my ($self, $cb) = @_;

   if ("CODE" eq ref $cb) {
      my $ocb = $cb;
      $cb = $self->cb (sub {
         undef $cb;
         &$ocb
      });
   }

   $cb
}

sub msg {
   my ($self, $type, @arg) = @_;

   if (my $ns = $self->{ns}) {
      my @msg = ($type, $self->{id}, @arg);
      warn "MSG " . $ns->{json_coder}->encode (\@msg) if $DEBUG;#d#
      $ns->send_packet ("ext " . $ns->{json_coder}->encode (\@msg));
   }
}

sub msg_cb {
   my ($self, $cb, $type, @arg) = @_;

   if (my $ws = $self->{ws}) {
      my $rid = $ws->{ns}->alloc_wid;

      if ($cb) {
         $ws->{ns}{widget_cb}{$rid} = sub {
            delete $ws->{ns}{widget_cb}{$rid};
            $ws->{ns}->free_wid ($rid);
            &$cb
         };

         $self->msg ($type, $rid, @arg);
      } else {
         # synchronous case
         my $wait = new Coro::Signal;
         my @res;

         $ws->{ns}{widget_cb}{$rid} = sub {
            delete $ws->{ns}{widget_cb}{$rid};
            $ws->{ns}->free_wid ($rid);

            @res = @_;
            $wait->send;
         };
         $self->msg ($type, $rid, @arg);
         $wait->wait;

         return @res;
      }
   }

   ()
}

sub set {
   my ($self, @kv) = @_;

   $self->msg (w_s => \@kv);
}

sub get {
   my ($self, $member, $cb) = @_;

   $self->msg_cb ($cb, w_g => ref $member ? @$member : $member);
}

sub TO_JSON {
   { "\fw" => $_[0]{id} }
}

our $AUTOLOAD;

sub AUTOLOAD {
   $AUTOLOAD =~ s/^.*://
      or return;

   my $self = shift;

   #TODO: handle non-void context
   $self->msg (w_c => 0, $AUTOLOAD, @_);

   ()
}

package ext::widget::callback;

sub DESTROY {
   my ($self) = @_;

   if (my $ns = $self->{ns}) {
      delete $ns->{widget_cb}{$self->{id}};
      $ns->free_wid ($self->{id});
   }
}

sub TO_JSON {
   { "\fc" => $_[0]{id} }
}

Revision:	1.21
Committed:	Thu Dec 27 19:41:26 2007 UTC (16 years, 5 months ago) by root
Branch:	MAIN
Changes since 1.20:	+87 -12 lines
Log Message:	* empty log message *
#	Content
1	#! perl # mandatory depends=login
2
3	# sends the following ext message types
4	# ws_a id name... # associate well-known widget with given id
5	# ws_n ws # widgetset new
6	# ws_d ws # widgetset destroy
7	# ws_c ws id class @args # widgetset create
8	# ws_ct ws ttype ttext done_cb \%cfg # widgetset create from template
9	# w_c id rid name @args # widget method call
10	# w_s id @attr # widget member set
11	# w_g id rid @attr # widget member get
12	#
13	# and expects the following exti message types
14	# w_e id @args # widget_call
15
16	our $DEBUG = 1;
17
18	cf::client->attach (
19	on_connect => sub {
20	my ($ns) = @_;
21
22	Scalar::Util::weaken (my $weakns = $ns);
23
24	$ns->{id} = "a";
25	$ns->{json_coder}->filter_json_single_key_object ("\fw" => sub {
26	$weakns->{widget}{$_[0]}
27	});
28	},
29	);
30
31	sub csc_update_stats {
32	my ($ns) = @_;
33
34	while (my ($k, $v) = each %{ $ns->{csc}{stat} }) {
35	$v->set_text ($ns->pl->ob->stats->$k);
36	}
37	}
38
39	my $cg_template = eval <<EOF;
40	[
41	Toplevel => {
42	s_id => "toplevel",
43	title => "Character Creation",
44	x => "center",
45	y => "center",
46	z => 5,
47	force_w => 760,
48	force_h => 440,
49	s_cl => [VBox => { s_cl => [
50	Label => {
51	text => "Character Creation",
52	fontsize => 1,
53	align => 0,
54	},
55	Label => {
56	markup => "View or Edit your character attributes below, then press <b>Finish</b> to create your character",
57	fontsize => 0.8,
58	align => 0,
59	},
60	HBox => { s_cl => [
61	Face => {
62	s_id => "face",
63	face => 0,
64	bg => [.2, .2, .2, 1],
65	min_w => 64,
66	min_h => 64,
67	},
68	Label => {
69	s_id => "desc",
70	fontsize => 0.8,
71	ellipsize => 0,
72	},
73	]},
74	Notebook => {
75	expand => 1,
76	s_cl => [
77	Table => {
78	c_tab => ["Basics", "Title, background and other information of your character."],
79	},
80	Table => {
81	c_tab => ["Stats", "Your character's primary stats such as strength, dexterity and so on."],
82	},
83	Table => {
84	c_tab => ["Race", "Your character's race."],
85	},
86	Table => {
87	c_tab => ["Class", "Your character's initial class."],
88	},
89	],
90	},
91	Button => {
92	s_id => "finish",
93	text => "Finish",
94	},
95	]}],
96	},
97	]
98	EOF
99	die if $@;
100
101	sub demo_start {
102	my ($ns) = @_;
103
104	my $ws = $ns->{csc} = $ns->new_widgetset;
105
106	my ($tl, $entry) = $ws->template (inline => $cg_template,
107	[
108	toplevel => {},
109	entry => {
110	text => "xyz",
111	on_changed => sub {
112	warn "changed<@_>\n";#d#
113	},
114	},
115	],
116	);
117
118	$tl->show;
119
120	$ns->{xxxw} = [$tl, $entry];#d#
121
122	# $ws->find ("setup_notebook")->add ($ws->{tab});
123	# $ws->find ("setup_dialog")->toggle_visibility;
124	}
125
126	sub csc_start {
127	my ($ns) = @_;
128
129	my $ws = $ns->{csc} = $ns->new_widgetset;
130
131	my $w = $ws->new (Toplevel =>
132	min_w => 600,
133	min_h => 400,
134	x => "center",
135	y => "center",
136	title => "Character Creation",
137	has_close_button => 1,
138	on_delete => sub {
139	$ws->destroy;
140	},
141	);
142
143	$w->add (my $ntb = $ws->new (Notebook => expand => 1));
144
145	$ntb->add_tab (Statistics => (my $stats = $ws->new (Table => expand => 1)), "Basic statistics of your new character");
146
147	$stats->add_at (0, 0, (my $statstable = $ws->new ("Table")));
148
149	for (
150	[0, "Str"],
151	[1, "Dex"],
152	[2, "Con"],
153	[3, "Int"],
154	[4, "Wis"],
155	[5, "Pow"],
156	[6, "Cha"],
157	) {
158	my ($x, $label) = @$_;
159
160	$statstable->add_at ($x, 0, $ws->new (Label =>
161	can_hover => 1, can_events => 1,
162	align => +1, text => $label, tooltip => "#stat_$label",
163	));
164	$statstable->add_at ($x, 1, $ws->{stat}{$label} = $ws->new (Label =>
165	can_hover => 1, can_events => 1,
166	align => +1, template => "88", tooltip => "#stat_$label",
167	));
168	}
169
170	csc_update_stats $ns;
171
172	$ws->{tl} = $w;
173	$w->show;
174	}
175
176	cf::player->attach (
177	on_login => sub {
178	my ($pl) = @_;
179
180	return unless $cf::CFG{devel};
181
182	my $ns = $pl->ns;
183
184	return unless $ns->{can_widget};
185	#csc_start $ns;
186	demo_start $ns;
187	},
188	);
189
190	cf::register_exticmd w_e => sub {
191	my ($ns, $id, @args) = @_;
192
193	if (my $cb = $ns->{widget_cb}{$id}) {
194	$cb->(@args);
195	}
196
197	()
198	};
199
200	sub cf::client::new_widgetset {
201	my ($self) = @_;
202
203	my $id = ++$self->{id};
204
205	my $ws = bless {
206	id => $id,
207	ns => $self,
208	_w => {},
209	}, "ext::widget::set";
210
211	$ws->msg (ws_n => $id);
212
213	$ws
214	}
215
216	sub cf::client::alloc_wid {
217	pop @{ $_[0]{ids} }
218	or ++$_[0]{id}
219	}
220
221	sub cf::client::free_wid {
222	push @{ $_[0]{ids} }, $_[1];
223	}
224
225	#############################################################################
226
227	package ext::widget::set;
228
229	sub DESTROY {
230	$_[0]->destroy;
231	}
232
233	sub destroy {
234	my ($self) = @_;
235
236	$self->msg (ws_d => $self->{id});
237	delete $self->{ns};
238	$_->destroy
239	for values %{ $self->{w} };
240	}
241
242	sub msg {
243	my ($self, @msg) = @_;
244
245	if (my $ns = shift->{ns}) {
246	warn "msg " . $ns->{json_coder}->encode (\@msg) if $DEBUG;#d#
247	$ns->send_packet ("ext " . $ns->{json_coder}->encode (\@msg));
248	}
249	}
250
251	sub alloc {
252	my ($self) = @_;
253
254	my $id = $self->{ns}->alloc_wid;
255
256	my $proxy = bless {
257	id => $id,
258	}, "ext::widget::proxy";
259
260	Scalar::Util::weaken ($proxy->{ns} = $self->{ns});
261	Scalar::Util::weaken ($self->{ns}{widget}{$id} = $proxy);
262
263	$proxy
264	}
265
266	sub new {
267	my ($self, $class, %args) = @_;
268
269	my $proxy = $self->alloc;
270
271	Scalar::Util::weaken ($self->{_w}{$proxy->{id}} = $proxy);
272	Scalar::Util::weaken ($proxy->{ws} = $self);
273
274	for my $ev (grep /^on_/, keys %args) {
275	$args{$ev} = $proxy->{"_$ev"} = $proxy->cb ($args{$ev});
276	}
277
278	$self->msg (ws_c =>
279	$self->{id},
280	$proxy->{id},
281	$class,
282	\%args,
283	);
284
285	$proxy
286	}
287
288	sub template {
289	my ($self, $type, $template, $args, $done_cb) = @_;
290
291	my %cfg;
292	my @res;
293
294	while (@$args) {
295	my ($name, $args) = splice @$args, 0, 2, ();
296
297	my $proxy = $self->alloc;
298
299	Scalar::Util::weaken ($self->{_w}{$proxy->{id}} = $proxy);
300	Scalar::Util::weaken ($proxy->{ws} = $self);
301
302	for my $ev (grep /^on_/, keys %$args) {
303	$args->{$ev} = $proxy->{"_$ev"} = $proxy->cb ($args->{$ev});
304	}
305
306	$cfg{$name} = {
307	%$args,
308	id => $proxy->{id},
309	};
310
311	push @res, $proxy;
312	}
313
314	if ($done_cb) {
315	my $proxy = $self->alloc;
316	my $ocb = $done_cb;
317	$done_cb = $proxy->cb (sub {
318	undef $proxy;
319	undef $done_cb;
320	&$ocb
321	});
322	}
323
324	$self->msg (ws_ct =>
325	$self->{id},
326	$type => $template,
327	$done_cb,
328	\%cfg,
329	);
330
331	@res
332	}
333
334	sub find {
335	my ($self, @names) = @_;
336
337	my @res;
338	my @alloc;
339
340	for my $name (@names) {
341	push @res, $self->{ns}{widget_wkw}{$name} \|\|= do {
342	my $proxy = $self->alloc;
343
344	push @alloc, $proxy->{id} => $name;
345
346	$proxy
347	};
348	}
349
350	$self->msg (ws_a => @alloc)
351	if @alloc;
352
353	wantarray ? @res : $res[0]
354	}
355
356	#############################################################################
357
358	package ext::widget::proxy;
359
360	sub DESTROY {
361	my ($self) = @_;
362
363	delete $self->{ns}{widget}{$self->{id}};
364
365	if (my $ws = $self->{ws}) {
366	$self->msg (w_c => 0, "destroy");
367	delete $ws->{_w}{$self->{id}};
368	}
369	}
370
371	sub cb {
372	my ($self, $cb) = @_;
373
374	my $proxy = bless {
375	ns => $self->{ns},
376	id => $self->{ns}->alloc_wid,
377	}, "ext::widget::callback";
378
379	Scalar::Util::weaken $proxy->{ns};
380
381	$self->{ns}{widget_cb}{$proxy->{id}} = $cb;
382
383	$proxy
384	}
385
386	sub oneshot_cb {
387	my ($self, $cb) = @_;
388
389	if ("CODE" eq ref $cb) {
390	my $ocb = $cb;
391	$cb = $self->cb (sub {
392	undef $cb;
393	&$ocb
394	});
395	}
396
397	$cb
398	}
399
400	sub msg {
401	my ($self, $type, @arg) = @_;
402
403	if (my $ns = $self->{ns}) {
404	my @msg = ($type, $self->{id}, @arg);
405	warn "MSG " . $ns->{json_coder}->encode (\@msg) if $DEBUG;#d#
406	$ns->send_packet ("ext " . $ns->{json_coder}->encode (\@msg));
407	}
408	}
409
410	sub msg_cb {
411	my ($self, $cb, $type, @arg) = @_;
412
413	if (my $ws = $self->{ws}) {
414	my $rid = $ws->{ns}->alloc_wid;
415
416	if ($cb) {
417	$ws->{ns}{widget_cb}{$rid} = sub {
418	delete $ws->{ns}{widget_cb}{$rid};
419	$ws->{ns}->free_wid ($rid);
420	&$cb
421	};
422
423	$self->msg ($type, $rid, @arg);
424	} else {
425	# synchronous case
426	my $wait = new Coro::Signal;
427	my @res;
428
429	$ws->{ns}{widget_cb}{$rid} = sub {
430	delete $ws->{ns}{widget_cb}{$rid};
431	$ws->{ns}->free_wid ($rid);
432
433	@res = @_;
434	$wait->send;
435	};
436	$self->msg ($type, $rid, @arg);
437	$wait->wait;
438
439	return @res;
440	}
441	}
442
443	()
444	}
445
446	sub set {
447	my ($self, @kv) = @_;
448
449	$self->msg (w_s => \@kv);
450	}
451
452	sub get {
453	my ($self, $member, $cb) = @_;
454
455	$self->msg_cb ($cb, w_g => ref $member ? @$member : $member);
456	}
457
458	sub TO_JSON {
459	{ "\fw" => $_[0]{id} }
460	}
461
462	our $AUTOLOAD;
463
464	sub AUTOLOAD {
465	$AUTOLOAD =~ s/^.*://
466	or return;
467
468	my $self = shift;
469
470	#TODO: handle non-void context
471	$self->msg (w_c => 0, $AUTOLOAD, @_);
472
473	()
474	}
475
476	package ext::widget::callback;
477
478	sub DESTROY {
479	my ($self) = @_;
480
481	if (my $ns = $self->{ns}) {
482	delete $ns->{widget_cb}{$self->{id}};
483	$ns->free_wid ($self->{id});
484	}
485	}
486
487	sub TO_JSON {
488	{ "\fc" => $_[0]{id} }
489	}
490