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 templateface \%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);
   }
}

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

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

   my ($tl, $entry) = $ws->template (undef,
      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, $template, @args) = @_;

   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;
   }

   $self->msg (ws_ct =>
      $self->{id},
      $template,
      \%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:	1.20
Committed:	Thu Dec 27 18:35:48 2007 UTC (16 years, 5 months ago) by root
Branch:	MAIN
Changes since 1.19:	+52 -4 lines
Log Message:	* empty log message *
#	User	Rev	Content
1	root	1.1	#! perl # mandatory depends=login
2
3			# sends the following ext message types
4	root	1.17	# ws_a id name... # associate well-known widget with given id
5	root	1.14	# ws_n ws # widgetset new
6			# ws_d ws # widgetset destroy
7	root	1.17	# ws_c ws id class @args # widgetset create
8	root	1.20	# ws_ct ws templateface \%cfg # widgetset create from template
9	root	1.17	# w_c id rid name @args # widget method call
10	root	1.10	# w_s id @attr # widget member set
11			# w_g id rid @attr # widget member get
12	root	1.1	#
13			# and expects the following exti message types
14	root	1.19	# w_e id @args # widget_call
15	root	1.1
16	root	1.13	our $DEBUG = 1;
17
18	root	1.1	cf::client->attach (
19			on_connect => sub {
20			my ($ns) = @_;
21
22	root	1.4	Scalar::Util::weaken (my $weakns = $ns);
23
24	root	1.1	$ns->{id} = "a";
25	root	1.19	$ns->{json_coder}->filter_json_single_key_object ("\fw" => sub {
26			$weakns->{widget}{$_[0]}
27	root	1.4	});
28	root	1.1	},
29			);
30
31	root	1.2	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->$k);
36			}
37			}
38
39	root	1.17	sub demo_start {
40			my ($ns) = @_;
41
42			my $ws = $ns->{csc} = $ns->new_widgetset;
43
44	root	1.20	my ($tl, $entry) = $ws->template (undef,
45			toplevel => {},
46			entry => {
47			text => "xyz",
48			on_changed => sub {
49			warn "changed<@_>\n";#d#
50			},
51			},
52			);
53
54			$tl->show;
55
56			$ns->{xxxw} = [$tl, $entry];#d#
57	root	1.17
58	root	1.20	# $ws->find ("setup_notebook")->add ($ws->{tab});
59			# $ws->find ("setup_dialog")->toggle_visibility;
60	root	1.17	}
61
62	root	1.2	sub csc_start {
63			my ($ns) = @_;
64
65			my $ws = $ns->{csc} = $ns->new_widgetset;
66
67			my $w = $ws->new (Toplevel =>
68			min_w => 600,
69			min_h => 400,
70			x => "center",
71			y => "center",
72			title => "Character Creation",
73	root	1.3	has_close_button => 1,
74			on_delete => sub {
75			$ws->destroy;
76			},
77	root	1.2	);
78
79			$w->add (my $ntb = $ws->new (Notebook => expand => 1));
80
81	root	1.17	$ntb->add_tab (Statistics => (my $stats = $ws->new (Table => expand => 1)), "Basic statistics of your new character");
82	root	1.2
83	root	1.17	$stats->add_at (0, 0, (my $statstable = $ws->new ("Table")));
84	root	1.2
85			for (
86	root	1.3	[0, "Str"],
87			[1, "Dex"],
88			[2, "Con"],
89			[3, "Int"],
90			[4, "Wis"],
91			[5, "Pow"],
92			[6, "Cha"],
93	root	1.2	) {
94	root	1.3	my ($x, $label) = @$_;
95	root	1.2
96	root	1.9	$statstable->add_at ($x, 0, $ws->new (Label =>
97	root	1.2	can_hover => 1, can_events => 1,
98			align => +1, text => $label, tooltip => "#stat_$label",
99			));
100	root	1.9	$statstable->add_at ($x, 1, $ws->{stat}{$label} = $ws->new (Label =>
101	root	1.2	can_hover => 1, can_events => 1,
102			align => +1, template => "88", tooltip => "#stat_$label",
103			));
104			}
105
106			csc_update_stats $ns;
107
108	root	1.17	$ws->{tl} = $w;
109	root	1.2	$w->show;
110			}
111
112	root	1.1	cf::player->attach (
113			on_login => sub {
114			my ($pl) = @_;
115
116	root	1.8	return unless $cf::CFG{devel};
117	root	1.1
118			my $ns = $pl->ns;
119
120	root	1.2	return unless $ns->{can_widget};
121	root	1.5	#csc_start $ns;
122	root	1.20	demo_start $ns;
123	root	1.1	},
124			);
125
126			cf::register_exticmd w_e => sub {
127	root	1.19	my ($ns, $id, @args) = @_;
128	root	1.1
129	root	1.19	if (my $cb = $ns->{widget_cb}{$id}) {
130			$cb->(@args);
131	root	1.1	}
132
133			()
134			};
135
136			sub cf::client::new_widgetset {
137			my ($self) = @_;
138
139			my $id = ++$self->{id};
140
141			my $ws = bless {
142			id => $id,
143			ns => $self,
144	root	1.12	_w => {},
145	root	1.1	}, "ext::widget::set";
146
147	root	1.14	$ws->msg (ws_n => $id);
148	root	1.1
149			$ws
150			}
151
152	root	1.19	sub cf::client::alloc_wid {
153			pop @{ $_[0]{ids} }
154			or ++$_[0]{id}
155			}
156
157			sub cf::client::free_wid {
158			push @{ $_[0]{ids} }, $_[1];
159			}
160
161	root	1.1	#############################################################################
162
163			package ext::widget::set;
164
165			sub DESTROY {
166			$_[0]->destroy;
167			}
168
169			sub destroy {
170			my ($self) = @_;
171
172	root	1.14	$self->msg (ws_d => $self->{id});
173	root	1.1	delete $self->{ns};
174			$_->destroy
175			for values %{ $self->{w} };
176			}
177
178			sub msg {
179	root	1.14	my ($self, @msg) = @_;
180	root	1.1
181			if (my $ns = shift->{ns}) {
182	root	1.14	warn "msg " . $ns->{json_coder}->encode (\@msg) if $DEBUG;#d#
183			$ns->send_packet ("ext " . $ns->{json_coder}->encode (\@msg));
184	root	1.1	}
185			}
186
187	root	1.17	sub alloc {
188			my ($self) = @_;
189	root	1.1
190	root	1.19	my $id = $self->{ns}->alloc_wid;
191	root	1.1
192	root	1.13	my $proxy = bless {
193	root	1.1	id => $id,
194			}, "ext::widget::proxy";
195
196			Scalar::Util::weaken ($proxy->{ns} = $self->{ns});
197			Scalar::Util::weaken ($self->{ns}{widget}{$id} = $proxy);
198
199	root	1.17	$proxy
200			}
201
202			sub new {
203			my ($self, $class, %args) = @_;
204
205			my $proxy = $self->alloc;
206
207			Scalar::Util::weaken ($self->{_w}{$proxy->{id}} = $proxy);
208			Scalar::Util::weaken ($proxy->{ws} = $self);
209
210	root	1.1	for my $ev (grep /^on_/, keys %args) {
211	root	1.19	$args{$ev} = $proxy->{"_$ev"} = $proxy->cb ($args{$ev});
212	root	1.1	}
213
214			$self->msg (ws_c =>
215	root	1.16	$self->{id},
216	root	1.17	$proxy->{id},
217	root	1.14	$class,
218			\%args,
219	root	1.1	);
220
221			$proxy
222			}
223
224	root	1.20	sub template {
225			my ($self, $template, @args) = @_;
226
227			my %cfg;
228			my @res;
229
230			while (@args) {
231			my ($name, $args) = splice @args, 0, 2, ();
232
233			my $proxy = $self->alloc;
234
235			Scalar::Util::weaken ($self->{_w}{$proxy->{id}} = $proxy);
236			Scalar::Util::weaken ($proxy->{ws} = $self);
237
238			for my $ev (grep /^on_/, keys %$args) {
239			$args->{$ev} = $proxy->{"_$ev"} = $proxy->cb ($args->{$ev});
240			}
241
242			$cfg{$name} = {
243			%$args,
244			id => $proxy->{id},
245			};
246
247			push @res, $proxy;
248			}
249
250			$self->msg (ws_ct =>
251			$self->{id},
252			$template,
253			\%cfg,
254			);
255
256			@res
257			}
258
259	root	1.17	sub find {
260			my ($self, @names) = @_;
261
262			my @res;
263			my @alloc;
264
265			for my $name (@names) {
266			push @res, $self->{ns}{widget_wkw}{$name} \|\|= do {
267			my $proxy = $self->alloc;
268
269			push @alloc, $proxy->{id} => $name;
270
271			$proxy
272			};
273			}
274
275			$self->msg (ws_a => @alloc)
276			if @alloc;
277
278			wantarray ? @res : $res[0]
279			}
280
281	root	1.1	#############################################################################
282
283			package ext::widget::proxy;
284
285			sub DESTROY {
286			my ($self) = @_;
287
288			delete $self->{ns}{widget}{$self->{id}};
289
290			if (my $ws = $self->{ws}) {
291	root	1.14	$self->msg (w_c => 0, "destroy");
292	root	1.12	delete $ws->{_w}{$self->{id}};
293	root	1.1	}
294			}
295
296	root	1.19	sub cb {
297			my ($self, $cb) = @_;
298
299			my $proxy = bless {
300			ns => $self->{ns},
301			id => $self->{ns}->alloc_wid,
302			}, "ext::widget::callback";
303
304			Scalar::Util::weaken $proxy->{ns};
305
306			$self->{ns}{widget_cb}{$proxy->{id}} = $cb;
307
308			$proxy
309			}
310
311			sub oneshot_cb {
312			my ($self, $cb) = @_;
313
314			if ("CODE" eq ref $cb) {
315			my $ocb = $cb;
316			$cb = $self->cb (sub {
317			undef $cb;
318			&$ocb
319			});
320			}
321
322			$cb
323			}
324
325	root	1.1	sub msg {
326	root	1.14	my ($self, $type, @arg) = @_;
327	root	1.1
328	root	1.17	if (my $ns = $self->{ns}) {
329			my @msg = ($type, $self->{id}, @arg);
330			warn "MSG " . $ns->{json_coder}->encode (\@msg) if $DEBUG;#d#
331			$ns->send_packet ("ext " . $ns->{json_coder}->encode (\@msg));
332	root	1.1	}
333			}
334
335			sub msg_cb {
336	root	1.14	my ($self, $cb, $type, @arg) = @_;
337	root	1.1
338			if (my $ws = $self->{ws}) {
339	root	1.19	my $rid = $ws->{ns}->alloc_wid;
340	root	1.1
341	root	1.19	if ($cb) {
342			$ws->{ns}{widget_cb}{$rid} = sub {
343			delete $ws->{ns}{widget_cb}{$rid};
344			$ws->{ns}->free_wid ($rid);
345			&$cb
346			};
347	root	1.1
348	root	1.19	$self->msg ($type, $rid, @arg);
349	root	1.1	} else {
350			# synchronous case
351			my $wait = new Coro::Signal;
352			my @res;
353
354	root	1.19	$ws->{ns}{widget_cb}{$rid} = sub {
355			delete $ws->{ns}{widget_cb}{$rid};
356			$ws->{ns}->free_wid ($rid);
357
358	root	1.1	@res = @_;
359			$wait->send;
360			};
361	root	1.19	$self->msg ($type, $rid, @arg);
362	root	1.1	$wait->wait;
363
364			return @res;
365			}
366			}
367
368			()
369			}
370
371			sub set {
372	root	1.12	my ($self, @kv) = @_;
373	root	1.1
374	root	1.14	$self->msg (w_s => \@kv);
375	root	1.1	}
376
377			sub get {
378			my ($self, $member, $cb) = @_;
379
380	root	1.19	$self->msg_cb ($cb, w_g => ref $member ? @$member : $member);
381	root	1.1	}
382
383			sub TO_JSON {
384	root	1.19	{ "\fw" => $_[0]{id} }
385	root	1.1	}
386
387			our $AUTOLOAD;
388
389			sub AUTOLOAD {
390			$AUTOLOAD =~ s/^.*://
391			or return;
392
393			my $self = shift;
394
395	root	1.17	#TODO: handle non-void context
396			$self->msg (w_c => 0, $AUTOLOAD, @_);
397	root	1.1
398			()
399			}
400
401	root	1.19	package ext::widget::callback;
402
403			sub DESTROY {
404			my ($self) = @_;
405
406			if (my $ns = $self->{ns}) {
407			delete $ns->{widget_cb}{$self->{id}};
408			$ns->free_wid ($self->{id});
409			}
410			}
411
412			sub TO_JSON {
413			{ "\fc" => $_[0]{id} }
414			}
415