gimp/plug-ins/perl/examples/PDB

368 lines
8.9 KiB
Perl
Executable File

#!/usr/bin/perl
#BEGIN {$^W=1};
require 5.005;
use Gimp;
use Gimp::Fu;
use Gtk;
use Gtk::Gdk;
#Gimp::set_trace(TRACE_ALL);
my $window; # the main window
my $clist; # the list of completions
my $rlist; # the results list
my $inputline; # the input entry
my $result; # the result entry
my $synopsis; # the synopsis label
my $statusbar; # the statusbar
my $idle; # the idle function id
my @args; # the arguments of the current function
my @function; # the names of all functions
my %function; # the same as hash
my %completion; # a hash that maps completion names to values
sub refresh {
undef %function;
@function = gimp_procedural_db_query("","","","","","","");
@function{@function}=(1) x @function;
}
sub get_words {
my $text = $inputline->get_text;
my $i = 0;
my($p,$idx,$pos);
my $word;
my @words;
substr($text,$inputline->get('text_position'),0,"\0");
while ($text =~ /("(?:[^"\\]*(?:\\.[^"\\]*)*)")[ ,]*|([^ ,]+)[ ,]*|[ ,]+/g) {
$word = defined $1 ? $1 : $2;
if (($p = index($word, "\0")) >= 0) {
$idx=$i; $pos=$p;
substr ($word, $p, 1, "");
}
$i++;
push(@words,$word);
}
($idx,$pos,@words);
}
sub set_words {
my $text=shift;
$text.=" ".join(",",@_) if scalar@_;
my $pos=index($text,"\0");
if ($pos) {
substr($text,$pos,1,"");
$inputline->set_text($text);
$inputline->set_position($pos);
} else {
$inputline->set_text($text);
}
}
my $last_func;
sub set_current_function {
my $fun = shift;
return if $last_func eq $fun;
$last_func = $fun;
@args=();
eval {
$function{$fun} or die;
my($blurb,$help,$author,$copyright,$date,$type,$args,$results)=
gimp_procedural_db_proc_info($fun);
for(0..$args-1) {
push(@args,[gimp_procedural_db_proc_arg($fun,$_)]);
}
};
}
my $block_sel_changed; # gtk is braindamaged
my $block_changed; # gtk is broken
sub set_clist {
$block_sel_changed++;
# $clist->signal_handler_block($sel_changed); # yes virginia, this is broken
$clist->clear_items(0,99999);
%completion=@_;
while(@_) {
$clist->add(new Gtk::ListItem(shift));
shift;
}
$clist->unselect_item(0);
$clist->show_all;
# $clist->signal_handler_unblock($sel_changed);
$block_sel_changed--;
}
sub complete_function {
my $name = shift;
$name=~s/[-_]/[-_]/g;
my @matches = sort grep /$name/i,@function;
if(@matches>70) {
set_clist map(($_,$_),@matches[0..69]);
$synopsis->set(1,"showing only the first 70 matches (of ".scalar@matches.")");
} elsif(@matches>1) {
set_clist map(($_,$_),@matches);
$ssynopsis->set(1,scalar@matches." matching functions");
} else {
set_clist @matches,@matches;
$synopsis->set($matches[0]." (press F1 to complete)");
}
}
sub complete_type {
my($type,$name,$desc)=@_;
if($type==PARAM_IMAGE) {
set_clist(map(("$$_: ".$_->get_filename,$$_),Gimp->list_images));
} elsif($type==PARAM_LAYER) {
set_clist(map { my $i = $_; map(("$$_: ".$i->get_filename."/".$_->get_name,$$_),$i->get_layers)} Gimp->list_images);
} elsif($type==PARAM_CHANNEL) {
set_clist(map { my $i = $_; map(("$$_: ".$i->get_filename."/".$_->get_name,$$_),$i->get_channels)} Gimp->list_images);
} elsif($type==PARAM_DRAWABLE) {
set_clist(map { my $i = $_; map(("$$_: ".$i->get_filename."/".$_->get_name,$$_),($i->get_layers,$i->get_channels))} Gimp->list_images);
} elsif ($type==PARAM_INT32) {
if ($name eq "run_mode") {
set_clist("RUN_NONINTERACTIVE","RUN_NONINTERACTIVE",
"RUN_INTERACTIVE","RUN_INTERACTIVE",
"RUN_WITH_LAST_VALS","RUN_WITH_LAST_VALS");
} elsif ($desc=~s/(?::\s*)?{(.*)}.*?$//) {
$_=$1;
my @args;
while(s/^.*?([A-Za-z_-]+)\s*\(\s*(\d+)\s*\)//) {
push(@args,"$2: $1",$2);
}
set_clist(@args);
} else {
set_clist;
}
} else {
set_clist;
}
$synopsis->set($desc);
}
my $last_arg;
sub update_completion {
my($idx,$pos,@words)=get_words;
return unless $idx ne $last_arg;
$last_arg=$idx;
$statusbar->set_percentage($idx/@args) if @args;
set_current_function $words[0];
if ($idx == 0) {
complete_function($words[0]);
} elsif ($idx>@args) {
$synopsis->set('too many arguments');
set_clist;
} else {
complete_type(@{$args[$idx-1]});
}
}
sub do_completion {
update_completion;
my($idx,$pos,@words)=get_words;
my($word)=$words[$idx];
$word=~s/[-_]/[-_]/g;
my(@matches)=grep /$word/i,keys %completion;
if(@matches==1) {
$words[$idx]=$completion{$matches[0]};
set_current_function $words[0] if $idx==0;
if($idx<@args) {
$words[$idx+1]="\0".$words[$idx+1];
} else {
$words[$idx].="\0";
}
set_words @words;
} else {
Gtk::Gdk->beep;
}
undef $last_arg;
}
sub execute_command {
my($idx,$pos,$fun,@args)=get_words;
$res=eval { Gimp->$fun(@args) };
if ($@) {
$result->set_text($@);
Gtk::Gdk->beep;
} else {
$result->set_text($res);
$rlist->prepend_items(new Gtk::ListItem $res);
}
}
sub idle {
Gtk->idle_remove($idle) if $idle;
undef $idle;
update_completion;
}
sub do_idle {
$idle=Gtk->idle_add(\&idle) unless $idle;
}
sub inputline {
my $e = new Gtk::Entry;
$e->set_text("gimp_blend 0,2,3,6,6,100,10,1,1,1,0,10,20,30,40");
$e->signal_connect("changed",sub {
return if $block_changed;
undef $last_arg;
do_idle;
});
$e->signal_connect("focus_in_event",\&do_idle);
$e->signal_connect("button_press_event",\&do_idle);
$e->signal_connect("key_press_event",sub {
undef $last_arg;
do_idle;
if ($_[1]->{keyval} == 0xFF09) {
# do_completion;
();
} elsif ($_[1]->{keyval} == 0xFFBE) {
do_completion;
();
} else {
();
}
});
$e->signal_connect("activate",\&execute_command);
$e->set_usize(300,0);
$inputline=$e;
my $c = new Gtk::List;
$clist = $c;
$c->set_selection_mode(-single);
$c->set_selection_mode(-browse);
$c->signal_connect("selection_changed", sub {
return if $block_sel_changed;
eval {
my($idx,$pos,@words)=get_words;
$words[$idx]=$completion{$c->selection->children->get}."\0";
$block_changed++;
set_words (@words);
$block_changed--;
};
do_idle;
});
my $r = new Gtk::List;
$rlist = $r;
$r->set_selection_mode(-single);
$r->set_selection_mode(-browse);
}
sub create_main {
my $b;
my $t;
parse Gtk::Rc Gimp->gtkrc;
$t = new Gtk::Tooltips;
my $w = new Gtk::Dialog;
$window = $w;
$w->set_title('PDB Browser - the early alpha version');
$w->signal_connect("destroy",sub {main_quit Gtk});
$b = new Gtk::Button "Close";
$w->action_area->add($b);
$b->signal_connect("clicked",sub {main_quit Gtk});
my $h = new Gtk::HBox (0,5);
$w->vbox->add ($h);
inputline;
$synopsis = new Gtk::Label "";
$synopsis->set_justify(-left);
my $table = new Gtk::Table 3,4,0;
$w->vbox->add($table);
my $cs = new Gtk::ScrolledWindow undef,undef;
$cs->set_policy(-automatic,-automatic);
$cs->add($clist);
my $rs = new Gtk::ScrolledWindow undef,undef;
$rs->set_policy(-automatic,-automatic);
$rs->add($rlist);
$rs->set_usize(0,200);
$result = new Gtk::Entry;
$result->set_editable(0);
$result->set_usize(200,0);
# $statusbar = new Gtk::Statusbar;
$statusbar = new Gtk::ProgressBar;
$table->attach(new Gtk::Label("Synopsis") ,0,1,0,1,{},{},0,0);
$table->attach($synopsis ,1,2,0,1,{},{},0,0);
# $table->attach(new Gtk::Pixmap(logo $w),2,3,0,1,{},{},0,0);
$table->attach(new Gtk::Label("Command") ,0,1,1,2,{},{},0,0);
$table->attach($inputline,1,2,1,2,['expand','fill'],{},0,0);
$table->attach($result,2,3,1,2,['expand','fill'],{},0,0);
$table->attach(new Gtk::Label("Shortcuts"),0,1,2,3,{},{},0,0);
$table->attach($cs ,1,2,2,3,['expand','fill'],['expand','fill'],0,0);
$table->attach($rs,2,3,2,3,['expand','fill'],['expand','fill'],0,0);
$table->attach(new Gtk::Label("Status"),0,1,3,4,{},{},0,0);
$table->attach($statusbar,1,3,3,4,['expand','fill'],['expand','fill'],0,0);
idle;
show_all $w;
}
register "extension_pdb_browser",
"Procedural Database Browser",
"This is a more interactive version of the DB Browser",
"Marc Lehmann",
"Marc Lehmann",
"0.0",
"<Toolbox>/Xtns/PDB Browser",
"",
[],
sub {
refresh;
create_main;
main Gtk;
();
};
init Gtk;
exit main;
sub logo {
my $pm = new Gtk::Gdk::Pixmap->create_from_data($window,
0, #%logo-width%
0, #%logo-height%
3,
#%PM:logo%
#%PM%
);
#%BM:logo%
#%BM%
}