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function write;
object get_widget_from( string what )
{
array err;
mixed res;
err = catch {
res= compile_string( "object foo(){ return "+what+"; }")()->foo();
};
if(!res)
werror("Error while compiling or running "+what+"\n: %s\n", err?err[0]:"No return value");
return res;
}
string file_name(string from)
{
return ((MIME.encode_base64((Crypto.md5()->update(from)->
digest()),1)-"=")-"/")[..40]
+".gif";
}
object ex;
string source;
int start_indent;
array(int) istack = ({});
void push_indent()
{
istack += ({ start_indent });
}
void pop_indent()
{
if(sizeof(istack)) start_indent = istack[-1];
istack = istack[..sizeof(istack)-2];
}
string indent(string what, int|void limit)
{
if(!limit) limit=40;
string res="";
string line="";
int nobr;
for(int i=0;i<strlen(what); i++)
{
line += what[i..i];
switch(what[i])
{
case '(': push_indent(); start_indent=strlen(line); break;
case '"': nobr = !nobr; break;
case ')': pop_indent(); if(!(strlen(what)>i+1 && what[i+1]=='-')) break;
case '}': pop_indent(); res += line+"\n"; line=" "*start_indent; break;
case '{': push_indent(); start_indent += 2;
case ';': res += line+"\n"; line=" "*start_indent; break;
case ' ':
case ',':
case '>':
if(!nobr)
{
if(strlen(line) >= limit)
{
if(strlen(line) > limit)
{
if(limit < 50) limit=strlen(line);
}
res += line+"\n";
line = " "*start_indent;
}
}
}
}
return res+line;
}
string tags(string source)
{
return ("<table cellpadding=1 bgcolor=black><tr><td><table bgcolor=#e0e0e0 cellpadding=8 cellspacing=0 border=0><tr><td><img src="+file_name(source)+">"
"</td></td><tr><td><font size=-1><pre>"+
replace(indent(source), ({"<",">","&"}), ({"<", ">", "&"}))+
"</pre></font></td></tr></table></td></tr></table>");
}
void grab(object w)
{
object i = GTK.GdkImage();
if(w->xsize() == 40 || w->ysize() == 40 )
{
werror("Image dimensions are 0x0!\n");
exit(1);
}
i->grab( w, 20,20, w->xsize()-40, w->ysize()-40);
object i = Image.PNM.decode( i->get_pnm() );
mkdir("docs");
rm("docs/"+file_name(source));
Stdio.write_file("docs/"+file_name(source), i->togif_fs());
write(tags( source ));
exit(0);
}
void got_event( int q, object w, mapping e )
{
if(e->type == "expose" )
call_out(grab, 0.01, w );
}
void show_recursively(object w)
{
if(w->children)
Array.map( w->children(), show_recursively );
w->show();
}
int main(int argc, array (string) argv)
{
object w;
if(!write) write = Stdio.stdout->write;
source = argv[1];
if(file_stat( "docs/"+file_name(argv[1])))
{
write(tags(argv[1]));
exit(0);
}
GTK.setup_gtk( "make_gtkexample", 1 );
if(argc == 2)
{
w = GTK.Window( GTK.WINDOW_TOPLEVEL );
w->set_title("Example image generation");
w->add( ex=get_widget_from( argv[1] ) );
w->set_border_width(20);
} else {
w = get_widget_from( argv[1] );
w->set_border_width(20);
}
show_recursively( w );
w->signal_connect( "event", got_event );
return -1;
}
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