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/cvs/kgsueme/kgsueme/superchat.pl
Revision: 1.7
Committed: Sun May 23 16:03:31 2004 UTC (20 years ago) by pcg
Content type: text/plain
Branch: MAIN
Changes since 1.6: +1 -1 lines
Log Message:
*** empty log message ***

File Contents

# Content
1 use utf8;
2
3 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 sub INIT_INSTANCE {
20 my $self = shift;
21
22 my $tagtable = new Gtk2::TextTagTable;
23
24 {
25 my @tags = (
26 [default => { foreground => "black" }],
27 [node => { foreground => "#0000b0", event => 1 }],
28 [move => { foreground => "#0000b0", event => 1 }],
29 [user => { foreground => "#0000b0", event => 1 }],
30 [coord => { foreground => "#0000b0", event => 1 }],
31 [error => { foreground => "#ff0000", event => 1 }],
32 [header => { weight => 800, pixels_above_lines => 6 }],
33 [challenge => { weight => 800, pixels_above_lines => 6, background => "#ffffb0" }],
34 [description => { weight => 800, foreground => "blue" }],
35 [infoblock => { weight => 700, foreground => "blue" }],
36 );
37
38 for (@tags) {
39 my ($k, $v) = @$_;
40 my $tag = new Gtk2::TextTag $k;
41 if (delete $v->{event}) {
42 ###
43 }
44 $tag->set (%$v);
45 $tagtable->add ($tag);
46 }
47 }
48
49 $self->{tagtable} = $tagtable;
50
51 $self->signal_connect (destroy => sub {
52 remove Glib::Source delete $self->{idle} if $self->{idle};
53 %{$_[0]} = ();
54 });
55
56 $self->{buffer} = new Gtk2::TextBuffer $self->{tagtable};
57
58 $self->{widget} = new Gtk2::ScrolledWindow;
59 $self->{widget}->set_policy("never", "always");
60 $self->pack_start ($self->{widget}, 1, 1, 0);
61
62 $self->{widget}->add ($self->{view} = new_with_buffer Gtk2::TextView $self->{buffer});
63 $self->{view}->set_wrap_mode ("word");
64 $self->{view}->set_cursor_visible (0);
65
66 $self->{view}->set_editable (0);
67
68 $self->{view}->signal_connect (motion_notify_event => sub {
69 my ($widget, $event) = @_;
70
71 my $window = $widget->get_window ("text");
72 if ($event->window == $window) {
73 my ($win, $x, $y, $mask) = $window->get_pointer;
74 # warn "TAG EVENT @_ ($window, $win, $x, $y, $mask)\n";
75 #gtk_text_view_window_to_buffer_coords (text_view,
76 # GTK_TEXT_WINDOW_TEXT,
77 # text_view->drag_start_x,
78 # text_view->drag_start_y,
79 # &buffer_x,
80 # &buffer_y);
81 #
82 # gtk_text_layout_get_iter_at_pixel (text_view->layout,
83 # &iter,
84 # buffer_x, buffer_y);
85 #
86 # gtk_text_view_start_selection_dnd (text_view, &iter, event);
87 # return TRUE;
88 }
89 0;
90 });
91
92 $self->pack_start (($self->{entry} = new Gtk2::Entry), 0, 1, 0);
93
94 $self->{entry}->signal_connect (activate => sub {
95 my ($entry) = @_;
96 my $text = $entry->get_text;
97 $entry->set_text("");
98
99 my ($cmd, $arg);
100
101 if ($text =~ /^\/(\S+)\s*(.*)$/) {
102 ($cmd, $arg) = ($1, $2);
103 } else {
104 ($cmd, $arg) = ("say", $text);
105 }
106
107 $self->signal_emit (command => $cmd, $arg);
108 });
109
110 $self->{end} = $self->{buffer}->create_mark (undef, $self->{buffer}->get_end_iter, 0);
111
112 $self->set_end;
113 }
114
115 sub do_command {
116 my ($self, $cmd, $arg, %arg) = @_;
117 }
118
119 sub set_end {
120 my ($self) = @_;
121
122 # this is probably also a hack...
123 $self->{idle} ||= add Glib::Idle sub {
124 $self->{view}->scroll_to_iter ($self->{buffer}->get_end_iter, 0, 0, 0, 0)
125 if $self->{view};
126 delete $self->{idle};
127 };
128 }
129
130 sub at_end {
131 my ($self) = @_;
132
133 # this is, maybe, a bad hack :/
134 my $adj = $self->{widget}->get_vadjustment;
135 $adj->value + $adj->page_size >= $adj->upper - 0.5;
136 }
137
138 sub append_text {
139 my ($self, $text) = @_;
140
141 $self->_append_text ($self->{end}, $text);
142 }
143
144 sub _append_text {
145 my ($self, $mark, $text) = @_;
146
147 my $at_end = $self->at_end;
148
149 $text = "<default>$text</default>";
150
151 my @tag;
152 # pseudo-simplistic-xml-parser
153 for (;;) {
154 $text =~ /\G<([^>]+)>/gc or last;
155 my $tag = $1;
156 if ($tag =~ s/^\///) {
157 pop @tag;
158 } else {
159 push @tag, $tag;
160 }
161
162 $text =~ /\G([^<]*)/gc or last;
163 $self->{buffer}->insert_with_tags_by_name ($self->{buffer}->get_iter_at_mark ($mark), util::xmlto $1, @tag)
164 if length $1;
165 }
166
167 $self->set_end if $at_end;
168 }
169
170 sub set_text {
171 my ($self, $text) = @_;
172
173 my $at_end = $self->at_end;
174
175 $self->{buffer}->set_text ("");
176 $self->append_text ($text);
177
178 $self->set_end if $at_end;
179 }
180
181 sub new_eventtag {
182 my ($self, $cb) = @_;
183
184 my $tag = new Gtk2::TextTag;
185 $tag->signal_connect (event => $cb);
186 $self->{tagtable}->add ($tag);
187
188 $tag
189 }
190
191 # create a new "subbuffer"
192 sub new_inlay {
193 my ($self) = @_;
194
195 my $end = $self->{buffer}->get_end_iter;
196
197 my $self = bless {
198 buffer => $self->{buffer},
199 parent => $self,
200 }, superchat::inlay;
201
202 $self->{l} = $self->{buffer}->create_mark (undef, $end, 1);
203 $self->{buffer}->insert ($end, "\x{200d}");
204 $self->{r} = $self->{buffer}->create_mark (undef, $self->{buffer}->get_iter_at_mark ($self->{l}), 0);
205
206 Scalar::Util::weaken $self->{buffer};
207 Scalar::Util::weaken $self->{parent};
208 $self;
209 }
210
211 sub new_switchable_inlay {
212 my ($self, $header, $cb, $visible) = @_;
213
214 my $inlay;
215
216 my $tag = $self->new_eventtag (sub {
217 my ($tag, $view, $event, $iter) = @_;
218
219 if ($event->type eq "button-press") {
220 $inlay->set_visible (!$inlay->{visible});
221 }
222
223 1;
224 });
225
226 $tag->set (background => "#e0e0ff");
227
228 $inlay = $self->new_inlay;
229
230 $inlay->{visible} = 0;
231 $inlay->{header} = $header;
232 $inlay->{tag} = $tag;
233 $inlay->{cb} = $cb;
234
235 Scalar::Util::weaken $inlay->{tag};
236
237 $inlay->set_visible ($visible);
238
239 $inlay;
240 }
241
242 package superchat::inlay;
243
244 sub liter { $_[0]{buffer}->get_iter_at_mark ($_[0]{l}) }
245 sub riter { $_[0]{buffer}->get_iter_at_mark ($_[0]{r}) }
246
247 sub clear {
248 my ($self) = @_;
249 $self->{buffer}->delete ($self->liter, $self->riter);
250 }
251
252 sub append_text {
253 my ($self, $text) = @_;
254
255 $self->{parent}->_append_text ($self->{r}, $text);
256 }
257
258 sub visible { $_[0]{visible} }
259 sub set_visible {
260 my ($self, $visible) = @_;
261
262 return if $self->{visible} == $visible;
263 $self->{visible} = $visible;
264
265 $self->refresh;
266 }
267
268 sub refresh {
269 my ($self) = @_;
270
271 $self->clear;
272
273 my $arrow = $self->{visible} ? "⊟" : "⊞";
274
275 $self->{buffer}->insert ($self->riter, "\n");
276 $self->{buffer}->insert_with_tags ($self->riter, util::xmlto "$arrow $self->{header}", $self->{tag});
277
278 return unless $self->{visible};
279
280 $self->{cb}->($self);
281 }
282
283 sub DESTROY {
284 my ($self) = @_;
285
286 $self->{parent}{tagtable}->remove (delete $self->{tag}) if $self->{tag};
287 }
288
289 1;
290