kgsueme/kgsueme/gtk.pl

package gtk;

use Carp;
use File::Temp;
use Gtk2;

# I have not yet found a way to simply default style properties
Gtk2::Rc->parse_string(<<EOF);

   style "base" {
      GtkTreeView::vertical_separator = 0
   }
   widget_class "*" style "base"

EOF

sub flush {
   do {
      flush Gtk2::Gdk;
      Glib::MainContext->default->iteration (0);
   } while Gtk2::Gdk->events_pending;
}

sub for_all($) {
   (
      $_[0],
      $_[0]->isa (Gtk2::Container)
         ? map for_all ($_), $_[0]->get_children
         : ()
   )
}

sub double_buffered {
   return;#d#
   my ($widget, $state) = @_;

   for (for_all $widget) {
      $_->set_double_buffered ($state);
      print "$_\n";#d#
   }
      print "<<<\n";#d#
}

our $text_renderer = new Gtk2::CellRendererText;
our $int_renderer  = new Gtk2::CellRendererText;
$int_renderer->set (xalign => 1);

our $state = $util::state->{gtk} ||= {};

# shows the properties of a glib object
sub info {
   my ($idx, $obj) = @_;
   return if $seen{$idx}++;
   print "\n$idx\n";
   for ($obj->list_properties) {
      printf "%-16s %-24s %-24s %s\n", $_->{name}, $_->{type}, (join ":", @{$_->{flags}}), $_->{descr};
   }
}

my %get = (
   window_size     => sub { [ ($_[0]->allocation->values)[2,3] ] },
   #window_pos     => sub { die KGS::Listener::Debug::dumpval [ $_[0]->get_root_origin ] },
   column_size     => sub { $_[0]->get("width") || $_[0]->get("fixed_width") },
   modelsortorder  => sub { [ $_[0]->get_sort_column_id ] },
);

my %set = (
   window_size     => sub { $_[0]->set_default_size (@{$_[1]}) },
   #window_pos     => sub { $_[0]->set_uposition (@{$_[1]}) if @{$_[1]} },
   column_size     => sub { $_[0]->set (fixed_width => $_[1]) },
   modelsortorder  => sub { $_[0]->set_sort_column_id (@{$_[1]}) },
);

my %widget;

sub state {
   my ($widget, $class, $instance, %attr) = @_;

   while (my ($k, $v) = each %attr) {
      my ($set, $get) = $k =~ /=/ ? split /=/, $k : ($k, $k);

      $v = $state->{$class}{"*"}{$get}
         if exists $state->{$class}{"*"} && exists $state->{$class}{"*"}{$get};

      $v = $state->{$class}{$instance}{$get}
         if defined $instance
         && exists $state->{$class}{$instance} && exists $state->{$class}{$instance}{$get};

      $set{$get} ? $set{$get}->($widget, $v) : $widget->set($set => $v);

      #my $vx = KGS::Listener::Debug::dumpval $v; $vx =~ s/\s+/ /g; warn "set $class ($instance) $set => $vx\n";#d#
   }

   #$widget->signal_connect(destroy => sub { delete $widget{$widget}; 0 });

   $widget{$widget} = [$widget, $class, $instance, \%attr];
   Scalar::Util::weaken $widget{$widget}[0];
}

sub save_state {
   for (grep $_, values %widget) {
      my ($widget, $class, $instance, $attr) = @$_;

      next unless $widget; # no destroy => widget may be undef

      $widget->realize if $widget->can("realize");

      while (my ($k, $v) = each %$attr) {
         my ($set, $get) = $k =~ /=/ ? split /=/, $k : ($k, $k);
         $v = $get{$get} ? $get{$get}->($widget) : $widget->get($get);

         $state->{$class}{"*"}{$get}       = $v;
         $state->{$class}{$instance}{$get} = $v if defined $instance;

         #my $vx = KGS::Listener::Debug::dumpval $v; $vx =~ s/\s+/ /g; warn "get $class ($instance) $get => $vx\n";#d#
      }
   }
}

# string => Gtk2::Image
sub image_from_data {
   my ($data) = @_;
   my $img;
   
   if (defined $data) {
      # need to write to file first :/
      my ($fh, $filename) = File::Temp::tempfile ();
      syswrite $fh, $data;
      close $fh;
      $img = new_from_file Gtk2::Image $filename;
      unlink $filename;
   } else {
      $img = new_from_file Gtk2::Image KGS::Constants::findfile "KGS/kgsueme/images/default_userpic.png";
   }

   $img;
}

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

sub optionmenu {
   my ($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;
      }
   });

   $widget;
}

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

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

   $widget;
}

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

   my $widget = new Gtk2::Entry;
   $widget->set (text => $$ref, width_chars => $width);
   eval { $widget->set (xalign => 1) }; # workaround für 2.2
   $widget->signal_connect (changed => sub {
      $$ref = $_[0]->get_text;
      $cb->($$ref) if $cb;
   });

   $widget;
}

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

   my $widget = new Gtk2::Entry;
   $widget->set (text => util::format_time $$ref, width_chars => $width);
   eval { $widget->set (xalign => 1) }; # workaround für 2.2
   $widget->signal_connect (changed => sub {
      $$ref = util::parse_time $_[0]->get_text;
      $cb->($$ref) if $cb;
   });

   $widget;
}

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

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

   $widget;
}

package gtk::widget;

# hacked gtk pseudo-widget

sub new {
   my $class = shift;
   bless { @_ }, $class;
}

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

sub AUTOLOAD {
   $AUTOLOAD =~ /::([^:]+)$/ or Carp::confess "$AUTOLOAD: no such method (illegal name)";
   ref $_[0]{widget} or Carp::confess "AUTOLOAD: non-method call $AUTOLOAD(@_)\n";
   my $method = $_[0]{widget}->can ($1)
      or Carp::confess "$AUTOLOAD: no such method";
   # do NOT cache.. we are fats enough this way
   unshift @_, shift->{widget};
   &$method;
}

sub destroy {
   my ($self) = @_;
   warn "destroy($self)";#d#

   delete $self->{app};

   for (keys %$self) {
      warn "$self->{$_} destroy" if UNIVERSAL::can ($self->{$_}, "destroy");
      (delete $self->{$_})->destroy
         if UNIVERSAL::can ($self->{$_}, "destroy");
#         if (UNIVERSAL::isa ($self->{$_}, Glib::Object)
#             && UNIVERSAL::isa ($self->{$_}, gtk::widget))
#            && $self->{$_}->can("destroy");
   }
}

sub DESTROY {
   my ($self) = @_;
   warn "DESTROY($self)";#d#
}

1;

Revision:	1.32
Committed:	Wed Jun 2 09:32:32 2004 UTC (20 years ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.31:	+90 -0 lines
Log Message:	* empty log message *
#	User	Rev	Content
1	pcg	1.1	package gtk;
2
3	pcg	1.3	use Carp;
4	pcg	1.15	use File::Temp;
5			use Gtk2;
6	pcg	1.3
7	pcg	1.26	# I have not yet found a way to simply default style properties
8	pcg	1.24	Gtk2::Rc->parse_string(<<EOF);
9
10			style "base" {
11			GtkTreeView::vertical_separator = 0
12			}
13			widget_class "*" style "base"
14
15			EOF
16
17	root	1.31	sub flush {
18			do {
19			flush Gtk2::Gdk;
20			Glib::MainContext->default->iteration (0);
21			} while Gtk2::Gdk->events_pending;
22			}
23
24			sub for_all($) {
25			(
26			$_[0],
27			$_[0]->isa (Gtk2::Container)
28			? map for_all ($_), $_[0]->get_children
29			: ()
30			)
31			}
32
33			sub double_buffered {
34			return;#d#
35			my ($widget, $state) = @_;
36
37			for (for_all $widget) {
38			$_->set_double_buffered ($state);
39			print "$_\n";#d#
40			}
41			print "<<<\n";#d#
42			}
43
44	pcg	1.1	our $text_renderer = new Gtk2::CellRendererText;
45			our $int_renderer = new Gtk2::CellRendererText;
46			$int_renderer->set (xalign => 1);
47
48	pcg	1.5	our $state = $util::state->{gtk} \|\|= {};
49	pcg	1.1
50			# shows the properties of a glib object
51	pcg	1.3	sub info {
52	pcg	1.1	my ($idx, $obj) = @_;
53	pcg	1.5	return if $seen{$idx}++;
54	pcg	1.1	print "\n$idx\n";
55			for ($obj->list_properties) {
56			printf "%-16s %-24s %-24s %s\n", $_->{name}, $_->{type}, (join ":", @{$_->{flags}}), $_->{descr};
57			}
58			}
59
60			my %get = (
61			window_size => sub { [ ($_[0]->allocation->values)[2,3] ] },
62			#window_pos => sub { die KGS::Listener::Debug::dumpval [ $_[0]->get_root_origin ] },
63	pcg	1.5	column_size => sub { $_[0]->get("width") \|\| $_[0]->get("fixed_width") },
64	pcg	1.10	modelsortorder => sub { [ $_[0]->get_sort_column_id ] },
65	pcg	1.1	);
66
67			my %set = (
68	pcg	1.8	window_size => sub { $_[0]->set_default_size (@{$_[1]}) },
69			#window_pos => sub { $_[0]->set_uposition (@{$_[1]}) if @{$_[1]} },
70			column_size => sub { $_[0]->set (fixed_width => $_[1]) },
71	pcg	1.10	modelsortorder => sub { $_[0]->set_sort_column_id (@{$_[1]}) },
72	pcg	1.1	);
73
74	pcg	1.5	my %widget;
75
76	pcg	1.1	sub state {
77			my ($widget, $class, $instance, %attr) = @_;
78
79			while (my ($k, $v) = each %attr) {
80			my ($set, $get) = $k =~ /=/ ? split /=/, $k : ($k, $k);
81	pcg	1.9
82			$v = $state->{$class}{"*"}{$get}
83			if exists $state->{$class}{""} && exists $state->{$class}{""}{$get};
84
85			$v = $state->{$class}{$instance}{$get}
86			if defined $instance
87			&& exists $state->{$class}{$instance} && exists $state->{$class}{$instance}{$get};
88
89	pcg	1.1	$set{$get} ? $set{$get}->($widget, $v) : $widget->set($set => $v);
90	pcg	1.9
91	pcg	1.26	#my $vx = KGS::Listener::Debug::dumpval $v; $vx =~ s/\s+/ /g; warn "set $class ($instance) $set => $vx\n";#d#
92	pcg	1.1	}
93
94	pcg	1.8	#$widget->signal_connect(destroy => sub { delete $widget{$widget}; 0 });
95	pcg	1.1
96	pcg	1.5	$widget{$widget} = [$widget, $class, $instance, \%attr];
97			Scalar::Util::weaken $widget{$widget}[0];
98	pcg	1.1	}
99
100			sub save_state {
101	pcg	1.5	for (grep $_, values %widget) {
102			my ($widget, $class, $instance, $attr) = @$_;
103
104	pcg	1.8	next unless $widget; # no destroy => widget may be undef
105
106	pcg	1.5	$widget->realize if $widget->can("realize");
107
108			while (my ($k, $v) = each %$attr) {
109			my ($set, $get) = $k =~ /=/ ? split /=/, $k : ($k, $k);
110			$v = $get{$get} ? $get{$get}->($widget) : $widget->get($get);
111
112			$state->{$class}{"*"}{$get} = $v;
113			$state->{$class}{$instance}{$get} = $v if defined $instance;
114	pcg	1.9
115	pcg	1.26	#my $vx = KGS::Listener::Debug::dumpval $v; $vx =~ s/\s+/ /g; warn "get $class ($instance) $get => $vx\n";#d#
116	pcg	1.1	}
117			}
118	pcg	1.15	}
119
120			# string => Gtk2::Image
121			sub image_from_data {
122			my ($data) = @_;
123	pcg	1.18	my $img;
124	pcg	1.15
125	pcg	1.18	if (defined $data) {
126			# need to write to file first :/
127			my ($fh, $filename) = File::Temp::tempfile ();
128			syswrite $fh, $data;
129			close $fh;
130			$img = new_from_file Gtk2::Image $filename;
131			unlink $filename;
132			} else {
133	pcg	1.29	$img = new_from_file Gtk2::Image KGS::Constants::findfile "KGS/kgsueme/images/default_userpic.png";
134	pcg	1.18	}
135	pcg	1.15
136			$img;
137	pcg	1.1	}
138
139	root	1.32	#############################################################################
140
141			sub optionmenu {
142			my ($ref, @entry) = @_;
143
144			my @vals;
145
146			my $widget = new Gtk2::OptionMenu;
147			$widget->set (menu => my $menu = new Gtk2::Menu);
148
149			my $idx = 0;
150
151			while (@entry >= 2) {
152			my $value = shift @entry;
153			my $label = shift @entry;
154
155			$menu->append (new Gtk2::MenuItem $label);
156			push @vals, $value;
157
158			if ($value eq $$ref && $idx >= 0) {
159			$widget->set_history ($idx);
160			$idx = -1e6;
161			}
162			$idx++;
163			}
164
165			my $cb = shift @entry;
166
167			$widget->signal_connect (changed => sub {
168			my $new = $vals[$_[0]->get_history];
169
170			if ($new ne $$ref) {
171			$$ref = $new;
172			$cb->($new) if $cb;
173			}
174			});
175
176			$widget;
177			}
178
179			sub textentry {
180			my ($ref, $width, $cb) = @_;
181
182			my $widget = new Gtk2::Entry;
183			$widget->set (text => $$ref, width_chars => $width);
184			$widget->signal_connect (changed => sub {
185			$$ref = $_[0]->get_text;
186			$cb->($$ref) if $cb;
187			});
188
189			$widget;
190			}
191
192			sub numentry {
193			my ($ref, $width, $cb) = @_;
194
195			my $widget = new Gtk2::Entry;
196			$widget->set (text => $$ref, width_chars => $width);
197			eval { $widget->set (xalign => 1) }; # workaround für 2.2
198			$widget->signal_connect (changed => sub {
199			$$ref = $_[0]->get_text;
200			$cb->($$ref) if $cb;
201			});
202
203			$widget;
204			}
205
206			sub timeentry {
207			my ($ref, $width, $cb) = @_;
208
209			my $widget = new Gtk2::Entry;
210			$widget->set (text => util::format_time $$ref, width_chars => $width);
211			eval { $widget->set (xalign => 1) }; # workaround für 2.2
212			$widget->signal_connect (changed => sub {
213			$$ref = util::parse_time $_[0]->get_text;
214			$cb->($$ref) if $cb;
215			});
216
217			$widget;
218			}
219
220			sub button {
221			my ($label, $cb) = @_;
222
223			my $widget = new_with_label Gtk2::Button $label;
224			$widget->signal_connect (clicked => sub { $cb->() if $cb });
225
226			$widget;
227			}
228
229	pcg	1.2	package gtk::widget;
230
231			# hacked gtk pseudo-widget
232
233	pcg	1.3	sub new {
234			my $class = shift;
235			bless { @_ }, $class;
236			}
237
238	pcg	1.2	sub widget { $_[0]{widget} }
239
240			sub AUTOLOAD {
241	pcg	1.3	$AUTOLOAD =~ /::([^:]+)$/ or Carp::confess "$AUTOLOAD: no such method (illegal name)";
242	pcg	1.5	ref $_[0]{widget} or Carp::confess "AUTOLOAD: non-method call $AUTOLOAD(@_)\n";
243	root	1.30	my $method = $_[0]{widget}->can ($1)
244	pcg	1.3	or Carp::confess "$AUTOLOAD: no such method";
245			# do NOT cache.. we are fats enough this way
246			unshift @_, shift->{widget};
247			&$method;
248			}
249
250	pcg	1.5	sub destroy {
251			my ($self) = @_;
252	pcg	1.14	warn "destroy($self)";#d#
253	pcg	1.12
254	pcg	1.27	delete $self->{app};
255
256	pcg	1.5	for (keys %$self) {
257	pcg	1.25	warn "$self->{$_} destroy" if UNIVERSAL::can ($self->{$_}, "destroy");
258	pcg	1.5	(delete $self->{$_})->destroy
259	pcg	1.13	if UNIVERSAL::can ($self->{$_}, "destroy");
260			# if (UNIVERSAL::isa ($self->{$_}, Glib::Object)
261			# && UNIVERSAL::isa ($self->{$_}, gtk::widget))
262			# && $self->{$_}->can("destroy");
263	pcg	1.5	}
264			}
265
266			sub DESTROY {
267			my ($self) = @_;
268	pcg	1.14	warn "DESTROY($self)";#d#
269	pcg	1.5	}
270
271	pcg	1.1	1;
272