kgsueme/kgsueme/superchat.pl

use utf8;

package superchat;

# waaay cool widget. well... maybe at one point in the future

use Gtk2;

use Glib::Object::Subclass
   Gtk2::VBox,
   signals => {
      command => {
         flags       => [qw/run-first/],
         return_type => undef, # void return
         param_types => [Glib::Scalar, Glib::Scalar],
      },
   };

sub INIT_INSTANCE {
   my $self = shift;

   my $tagtable = new Gtk2::TextTagTable;

   {
      my @tags = (
         [default     => { foreground => "black" }],
         [node        => { foreground => "#0000b0", event => 1 }],
         [move        => { foreground => "#0000b0", event => 1 }],
         [user        => { foreground => "#0000b0", event => 1 }],
         [coord       => { foreground => "#0000b0", event => 1 }],
         [error       => { foreground => "#ff0000", event => 1 }],
         [header      => { weight => 800, pixels_above_lines => 6 }],
         [undo        => { foreground => "#ffff00", background => "#ff0000", weight => 800, pixels_above_lines => 6 }],
         [challenge   => { weight => 800, pixels_above_lines => 6, background => "#ffffb0" }],
         [description => { weight => 800, foreground => "blue" }],
         [infoblock   => { weight => 700, foreground => "blue" }],
      );

      for (@tags) {
         my ($k, $v) = @$_;
         my $tag = new Gtk2::TextTag $k;
         if (delete $v->{event}) {
            ###
         }
         $tag->set (%$v);
         $tagtable->add ($tag);
      }
   }

   $self->{tagtable} = $tagtable;

   $self->signal_connect (destroy => sub {
      remove Glib::Source delete $self->{idle} if $self->{idle};
      %{$_[0]} = ();
   });

   $self->{buffer} = new Gtk2::TextBuffer $self->{tagtable};

   $self->{widget} = new Gtk2::ScrolledWindow;
   $self->{widget}->set_policy("never", "always");
   $self->pack_start ($self->{widget}, 1, 1, 0);

   $self->{widget}->add ($self->{view} = new_with_buffer Gtk2::TextView $self->{buffer});
   $self->{view}->set_wrap_mode ("word");
   $self->{view}->set_cursor_visible (0);

   $self->{view}->set_editable (0);

   $self->{view}->signal_connect (motion_notify_event => sub {
      my ($widget, $event) = @_;

      my $window = $widget->get_window ("text");
      if ($event->window == $window) {
         my ($win, $x, $y, $mask) = $window->get_pointer;
          #     warn "TAG EVENT @_ ($window, $win, $x, $y, $mask)\n";
          #gtk_text_view_window_to_buffer_coords (text_view,
          #                                       GTK_TEXT_WINDOW_TEXT,
          #                                       text_view->drag_start_x,
          #                                       text_view->drag_start_y,
          #                                       &buffer_x,
          #                                       &buffer_y);
#
#          gtk_text_layout_get_iter_at_pixel (text_view->layout,
#                                             &iter,
#                                             buffer_x, buffer_y);
#
#          gtk_text_view_start_selection_dnd (text_view, &iter, event);
#          return TRUE;
      }
      0;
   });

   $self->pack_start (($self->{entry} = new Gtk2::Entry), 0, 1, 0);

   $self->{entry}->signal_connect (activate => sub {
      my ($entry) = @_;
      my $text = $entry->get_text;
      $entry->set_text("");

      my ($cmd, $arg);

      if ($text =~ /^\/(\S+)\s*(.*)$/) {
         ($cmd, $arg) = ($1, $2);
      } else {
         ($cmd, $arg) = ("say", $text);
      }

      $self->signal_emit (command => $cmd, $arg);
   });

   #$self->{end} = $self->{buffer}->create_mark (undef, $self->{buffer}->get_end_iter, 0);#d##todo# use this one for gtk-1.050+
   $self->{end} = $self->{buffer}->create_mark (++$USELESSNAME, $self->{buffer}->get_end_iter, 0); # workaround for gtk-perl bug

   $self->set_end;
}

sub do_command {
   my ($self, $cmd, $arg, %arg) = @_;
}

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

   # this is probably also a hack...
   $self->{idle} ||= add Glib::Idle sub {
      $self->{view}->scroll_to_iter ($self->{buffer}->get_end_iter, 0, 0, 0, 0)
         if $self->{view};
      delete $self->{idle};
   };
}

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

   # this is, maybe, a bad hack :/
   my $adj = $self->{widget}->get_vadjustment;
   $adj->value + $adj->page_size >= $adj->upper - 0.5;
}

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

   $self->_append_text ($self->{end}, $text);
}

sub _append_text {
   my ($self, $mark, $text) = @_;

   my $at_end = $self->at_end;

   $text = "<default>$text</default>";

   my @tag;
   # pseudo-simplistic-xml-parser
   for (;;) {
      $text =~ /\G<([^>]+)>/gc or last;
      my $tag = $1;
      if ($tag =~ s/^\///) {
         pop @tag;
      } else {
         push @tag, $tag;
      }

      $text =~ /\G([^<]*)/gc or last;
      $self->{buffer}->insert_with_tags_by_name ($self->{buffer}->get_iter_at_mark ($mark), util::xmlto $1, @tag)
         if length $1;
   }

   $self->set_end if $at_end;
}

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

   my $at_end = $self->at_end;
           
   $self->{buffer}->set_text ("");
   $self->append_text ($text);

   $self->set_end if $at_end;
}

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

   my $tag = new Gtk2::TextTag;
   $tag->signal_connect (event => $cb);
   $self->{tagtable}->add ($tag);

   $tag
}

# create a new "subbuffer"
sub new_inlay {
   my ($self) = @_;

   my $end = $self->{buffer}->get_end_iter;

   my $self = bless {
      buffer  => $self->{buffer},
      parent  => $self,
   }, superchat::inlay;

   $self->{l} = $self->{buffer}->create_mark (undef, $end, 1);
   $self->{buffer}->insert ($end, "\x{200d}");
   $self->{r} = $self->{buffer}->create_mark (undef, $self->{buffer}->get_iter_at_mark ($self->{l}), 0);

   Scalar::Util::weaken $self->{buffer};
   Scalar::Util::weaken $self->{parent};
   $self;
}

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

   my $inlay;

   my $tag = $self->new_eventtag (sub {
      my ($tag, $view, $event, $iter) = @_;

      if ($event->type eq "button-press") {
         $inlay->set_visible (!$inlay->{visible});
         return 1;
      }

      0;
   });

   $tag->set (background => "#e0e0ff");

   $inlay = $self->new_inlay;

   $inlay->{visible} = $visible;
   $inlay->{header}  = $header;
   $inlay->{tag}     = $tag;
   $inlay->{cb}      = $cb;

   Scalar::Util::weaken $inlay->{tag};

   $inlay->refresh;

   $inlay;
}

package superchat::inlay;

sub liter { $_[0]{buffer}->get_iter_at_mark ($_[0]{l}) }
sub riter { $_[0]{buffer}->get_iter_at_mark ($_[0]{r}) }

sub clear {
   my ($self) = @_;
   $self->{buffer}->delete ($self->liter, $self->riter);
}

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

   $self->{parent}->_append_text ($self->{r}, $text);
}

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

   $widget->show_all;

   my $anchor = $self->{buffer}->create_child_anchor ($self->riter);
   $self->{parent}{view}->add_child_at_anchor ($widget, $anchor);
}

sub append_optionmenu {
   my ($self, $ref, @entry) = @_;

   my @vals;

   my $widget = new Gtk2::OptionMenu;
   $widget->set (menu => my $menu = new Gtk2::Menu);

   my $idx = 0;

   while (@entry >= 2) {
      my $value = shift @entry;
      my $label = shift @entry;

      $menu->append (new Gtk2::MenuItem $label);
      push @vals, $value;

      if ($value eq $$ref && $idx >= 0) {
         $widget->set_history ($idx);
         $idx = -1e6;
      }
      $idx++;
   }

   my $cb = shift @entry;

   $widget->signal_connect (changed => sub {
      my $new = $vals[$_[0]->get_history];

      if ($new ne $$ref) {
         $$ref = $new;
         $cb->($new) if $cb;
      }
   });

   $self->append_widget ($widget);

   $widget;
}

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

   my $widget = new Gtk2::Entry;
   $widget->set (text => $$ref, width_chars => $width, xalign => 1);
   $widget->signal_connect (changed => sub {
      $$ref = $_[0]->get_text;
      $cb->($$ref) if $cb;
   });

   $self->append_widget ($widget);
   $widget;
}

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

   my $widget = new_with_label Gtk2::Button $label;
   $widget->signal_connect (clicked => sub { $cb->() if $cb });

   $self->append_widget ($widget);
   $widget;
}

sub visible { $_[0]{visible} }

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

   return if $self->{visible} == $visible;
   $self->{visible} = $visible;

   $self->refresh;
}

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

   $self->clear;

   my $arrow = $self->{visible} ? "⊟" : "⊞";

   $self->{buffer}->insert ($self->riter, "\n");
   $self->{buffer}->insert_with_tags ($self->riter, util::xmlto "$arrow $self->{header}", $self->{tag});

   return unless $self->{visible};

   $self->{cb}->($self);
}

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

   return if !$self->{l} || !$self->{buffer} || $self->{l}->get_deleted;

   $self->clear if $self->{buffer};

   delete $self->{parent};
   delete $self->{buffer};
   delete $self->{l};
   delete $self->{r};
}

sub DESTROY {
   my $self = shift;

   $self->{parent}{tagtable}->remove (delete $self->{tag}) if $self->{tag} && $self->{parent};
   #&destroy;
}

1;

Revision:	1.13
Committed:	Sun May 30 06:40:21 2004 UTC (20 years ago) by pcg
Content type:	text/plain
Branch:	MAIN
Changes since 1.12:	+2 -2 lines
Log Message:	* empty log message *
#	User	Rev	Content
1	pcg	1.6	use utf8;
2
3	pcg	1.1	package superchat;
4
5			# waaay cool widget. well... maybe at one point in the future
6
7			use Gtk2;
8
9			use Glib::Object::Subclass
10			Gtk2::VBox,
11			signals => {
12			command => {
13			flags => [qw/run-first/],
14			return_type => undef, # void return
15			param_types => [Glib::Scalar, Glib::Scalar],
16			},
17			};
18
19	pcg	1.2	sub INIT_INSTANCE {
20			my $self = shift;
21	pcg	1.1
22	pcg	1.2	my $tagtable = new Gtk2::TextTagTable;
23
24			{
25			my @tags = (
26			[default => { foreground => "black" }],
27			[node => { foreground => "#0000b0", event => 1 }],
28			[move => { foreground => "#0000b0", event => 1 }],
29			[user => { foreground => "#0000b0", event => 1 }],
30			[coord => { foreground => "#0000b0", event => 1 }],
31			[error => { foreground => "#ff0000", event => 1 }],
32			[header => { weight => 800, pixels_above_lines => 6 }],
33	pcg	1.12	[undo => { foreground => "#ffff00", background => "#ff0000", weight => 800, pixels_above_lines => 6 }],
34	pcg	1.2	[challenge => { weight => 800, pixels_above_lines => 6, background => "#ffffb0" }],
35			[description => { weight => 800, foreground => "blue" }],
36			[infoblock => { weight => 700, foreground => "blue" }],
37			);
38
39			for (@tags) {
40			my ($k, $v) = @$_;
41			my $tag = new Gtk2::TextTag $k;
42			if (delete $v->{event}) {
43			###
44			}
45			$tag->set (%$v);
46			$tagtable->add ($tag);
47	pcg	1.1	}
48			}
49
50	pcg	1.2	$self->{tagtable} = $tagtable;
51	pcg	1.1
52			$self->signal_connect (destroy => sub {
53			remove Glib::Source delete $self->{idle} if $self->{idle};
54			%{$_[0]} = ();
55			});
56
57	pcg	1.2	$self->{buffer} = new Gtk2::TextBuffer $self->{tagtable};
58	pcg	1.1
59			$self->{widget} = new Gtk2::ScrolledWindow;
60			$self->{widget}->set_policy("never", "always");
61			$self->pack_start ($self->{widget}, 1, 1, 0);
62
63			$self->{widget}->add ($self->{view} = new_with_buffer Gtk2::TextView $self->{buffer});
64			$self->{view}->set_wrap_mode ("word");
65			$self->{view}->set_cursor_visible (0);
66
67			$self->{view}->set_editable (0);
68
69			$self->{view}->signal_connect (motion_notify_event => sub {
70			my ($widget, $event) = @_;
71
72			my $window = $widget->get_window ("text");
73			if ($event->window == $window) {
74			my ($win, $x, $y, $mask) = $window->get_pointer;
75			# warn "TAG EVENT @_ ($window, $win, $x, $y, $mask)\n";
76			#gtk_text_view_window_to_buffer_coords (text_view,
77			# GTK_TEXT_WINDOW_TEXT,
78			# text_view->drag_start_x,
79			# text_view->drag_start_y,
80			# &buffer_x,
81			# &buffer_y);
82			#
83			# gtk_text_layout_get_iter_at_pixel (text_view->layout,
84			# &iter,
85			# buffer_x, buffer_y);
86			#
87			# gtk_text_view_start_selection_dnd (text_view, &iter, event);
88			# return TRUE;
89			}
90			0;
91			});
92
93			$self->pack_start (($self->{entry} = new Gtk2::Entry), 0, 1, 0);
94
95	pcg	1.2	$self->{entry}->signal_connect (activate => sub {
96	pcg	1.1	my ($entry) = @_;
97			my $text = $entry->get_text;
98			$entry->set_text("");
99
100			my ($cmd, $arg);
101
102			if ($text =~ /^\/(\S+)\s(.)$/) {
103			($cmd, $arg) = ($1, $2);
104			} else {
105			($cmd, $arg) = ("say", $text);
106			}
107
108			$self->signal_emit (command => $cmd, $arg);
109			});
110
111	pcg	1.9	#$self->{end} = $self->{buffer}->create_mark (undef, $self->{buffer}->get_end_iter, 0);#d##todo# use this one for gtk-1.050+
112	pcg	1.8	$self->{end} = $self->{buffer}->create_mark (++$USELESSNAME, $self->{buffer}->get_end_iter, 0); # workaround for gtk-perl bug
113	pcg	1.1
114			$self->set_end;
115			}
116
117			sub do_command {
118			my ($self, $cmd, $arg, %arg) = @_;
119			}
120
121			sub set_end {
122			my ($self) = @_;
123
124			# this is probably also a hack...
125			$self->{idle} \|\|= add Glib::Idle sub {
126			$self->{view}->scroll_to_iter ($self->{buffer}->get_end_iter, 0, 0, 0, 0)
127			if $self->{view};
128			delete $self->{idle};
129			};
130			}
131
132			sub at_end {
133			my ($self) = @_;
134
135			# this is, maybe, a bad hack :/
136			my $adj = $self->{widget}->get_vadjustment;
137			$adj->value + $adj->page_size >= $adj->upper - 0.5;
138			}
139
140			sub append_text {
141			my ($self, $text) = @_;
142
143	pcg	1.2	$self->_append_text ($self->{end}, $text);
144			}
145
146			sub _append_text {
147			my ($self, $mark, $text) = @_;
148	pcg	1.1
149	pcg	1.5	my $at_end = $self->at_end;
150
151	pcg	1.1	$text = "<default>$text</default>";
152
153	pcg	1.2	my @tag;
154	pcg	1.1	# pseudo-simplistic-xml-parser
155			for (;;) {
156			$text =~ /\G<([^>]+)>/gc or last;
157			my $tag = $1;
158			if ($tag =~ s/^\///) {
159			pop @tag;
160			} else {
161			push @tag, $tag;
162			}
163
164			$text =~ /\G([^<]*)/gc or last;
165	pcg	1.2	$self->{buffer}->insert_with_tags_by_name ($self->{buffer}->get_iter_at_mark ($mark), util::xmlto $1, @tag)
166	pcg	1.1	if length $1;
167			}
168	pcg	1.5
169			$self->set_end if $at_end;
170	pcg	1.1	}
171
172			sub set_text {
173			my ($self, $text) = @_;
174
175			my $at_end = $self->at_end;
176
177			$self->{buffer}->set_text ("");
178			$self->append_text ($text);
179
180			$self->set_end if $at_end;
181			}
182
183	pcg	1.2	sub new_eventtag {
184			my ($self, $cb) = @_;
185
186			my $tag = new Gtk2::TextTag;
187			$tag->signal_connect (event => $cb);
188			$self->{tagtable}->add ($tag);
189
190			$tag
191			}
192
193			# create a new "subbuffer"
194			sub new_inlay {
195			my ($self) = @_;
196
197			my $end = $self->{buffer}->get_end_iter;
198
199			my $self = bless {
200			buffer => $self->{buffer},
201			parent => $self,
202			}, superchat::inlay;
203
204			$self->{l} = $self->{buffer}->create_mark (undef, $end, 1);
205			$self->{buffer}->insert ($end, "\x{200d}");
206			$self->{r} = $self->{buffer}->create_mark (undef, $self->{buffer}->get_iter_at_mark ($self->{l}), 0);
207
208			Scalar::Util::weaken $self->{buffer};
209			Scalar::Util::weaken $self->{parent};
210			$self;
211			}
212
213			sub new_switchable_inlay {
214			my ($self, $header, $cb, $visible) = @_;
215
216			my $inlay;
217
218			my $tag = $self->new_eventtag (sub {
219			my ($tag, $view, $event, $iter) = @_;
220
221			if ($event->type eq "button-press") {
222	pcg	1.4	$inlay->set_visible (!$inlay->{visible});
223	pcg	1.10	return 1;
224	pcg	1.2	}
225
226	pcg	1.10	0;
227	pcg	1.2	});
228
229			$tag->set (background => "#e0e0ff");
230
231			$inlay = $self->new_inlay;
232
233	pcg	1.13	$inlay->{visible} = $visible;
234	pcg	1.6	$inlay->{header} = $header;
235	pcg	1.2	$inlay->{tag} = $tag;
236			$inlay->{cb} = $cb;
237
238	pcg	1.3	Scalar::Util::weaken $inlay->{tag};
239
240	pcg	1.13	$inlay->refresh;
241	pcg	1.2
242			$inlay;
243			}
244
245			package superchat::inlay;
246
247			sub liter { $_[0]{buffer}->get_iter_at_mark ($_[0]{l}) }
248			sub riter { $_[0]{buffer}->get_iter_at_mark ($_[0]{r}) }
249
250			sub clear {
251			my ($self) = @_;
252			$self->{buffer}->delete ($self->liter, $self->riter);
253			}
254
255			sub append_text {
256			my ($self, $text) = @_;
257
258			$self->{parent}->_append_text ($self->{r}, $text);
259			}
260
261	pcg	1.11	sub append_widget {
262			my ($self, $widget) = @_;
263
264			$widget->show_all;
265
266			my $anchor = $self->{buffer}->create_child_anchor ($self->riter);
267			$self->{parent}{view}->add_child_at_anchor ($widget, $anchor);
268			}
269
270			sub append_optionmenu {
271			my ($self, $ref, @entry) = @_;
272
273			my @vals;
274
275			my $widget = new Gtk2::OptionMenu;
276			$widget->set (menu => my $menu = new Gtk2::Menu);
277
278			my $idx = 0;
279
280			while (@entry >= 2) {
281			my $value = shift @entry;
282			my $label = shift @entry;
283
284			$menu->append (new Gtk2::MenuItem $label);
285			push @vals, $value;
286
287			if ($value eq $$ref && $idx >= 0) {
288			$widget->set_history ($idx);
289			$idx = -1e6;
290			}
291			$idx++;
292			}
293
294			my $cb = shift @entry;
295
296			$widget->signal_connect (changed => sub {
297			my $new = $vals[$_[0]->get_history];
298
299			if ($new ne $$ref) {
300			$$ref = $new;
301			$cb->($new) if $cb;
302			}
303			});
304
305			$self->append_widget ($widget);
306
307			$widget;
308			}
309
310			sub append_entry {
311			my ($self, $ref, $width, $cb) = @_;
312
313			my $widget = new Gtk2::Entry;
314			$widget->set (text => $$ref, width_chars => $width, xalign => 1);
315			$widget->signal_connect (changed => sub {
316			$$ref = $_[0]->get_text;
317			$cb->($$ref) if $cb;
318			});
319
320			$self->append_widget ($widget);
321			$widget;
322			}
323
324			sub append_button {
325			my ($self, $label, $cb) = @_;
326
327			my $widget = new_with_label Gtk2::Button $label;
328			$widget->signal_connect (clicked => sub { $cb->() if $cb });
329
330			$self->append_widget ($widget);
331			$widget;
332			}
333
334	pcg	1.4	sub visible { $_[0]{visible} }
335	pcg	1.11
336	pcg	1.4	sub set_visible {
337			my ($self, $visible) = @_;
338
339			return if $self->{visible} == $visible;
340			$self->{visible} = $visible;
341
342			$self->refresh;
343			}
344
345			sub refresh {
346			my ($self) = @_;
347
348			$self->clear;
349	pcg	1.6
350	pcg	1.7	my $arrow = $self->{visible} ? "⊟" : "⊞";
351	pcg	1.6
352			$self->{buffer}->insert ($self->riter, "\n");
353			$self->{buffer}->insert_with_tags ($self->riter, util::xmlto "$arrow $self->{header}", $self->{tag});
354
355	pcg	1.4	return unless $self->{visible};
356
357			$self->{cb}->($self);
358			}
359
360	pcg	1.11	sub destroy {
361	pcg	1.2	my ($self) = @_;
362
363	pcg	1.11	return if !$self->{l} \|\| !$self->{buffer} \|\| $self->{l}->get_deleted;
364
365			$self->clear if $self->{buffer};
366
367			delete $self->{parent};
368			delete $self->{buffer};
369			delete $self->{l};
370			delete $self->{r};
371			}
372
373			sub DESTROY {
374	pcg	1.12	my $self = shift;
375
376			$self->{parent}{tagtable}->remove (delete $self->{tag}) if $self->{tag} && $self->{parent};
377			#&destroy;
378	pcg	1.2	}
379
380	pcg	1.1	1;
381