src/Tools/jEdit/src/rendering.scala
author wenzelm
Mon Aug 10 20:42:59 2015 +0200 (2015-08-10)
changeset 60882 45bfd18835f1
parent 60880 fa958e24ff24
child 60893 3c8b9b4b577c
permissions -rw-r--r--
tuned signature;
more rendering;
     1 /*  Title:      Tools/jEdit/src/rendering.scala
     2     Author:     Makarius
     3 
     4 Isabelle-specific implementation of quasi-abstract rendering and
     5 markup interpretation.
     6 */
     7 
     8 package isabelle.jedit
     9 
    10 
    11 import isabelle._
    12 
    13 import java.awt.Color
    14 import javax.swing.Icon
    15 
    16 import org.gjt.sp.jedit.syntax.{Token => JEditToken}
    17 import org.gjt.sp.jedit.{jEdit, View}
    18 
    19 import scala.collection.immutable.SortedMap
    20 
    21 
    22 object Rendering
    23 {
    24   def apply(snapshot: Document.Snapshot, options: Options): Rendering =
    25     new Rendering(snapshot, options)
    26 
    27 
    28   /* message priorities */
    29 
    30   private val state_pri = 1
    31   private val writeln_pri = 2
    32   private val information_pri = 3
    33   private val tracing_pri = 4
    34   private val warning_pri = 5
    35   private val legacy_pri = 6
    36   private val error_pri = 7
    37 
    38   private val message_pri = Map(
    39     Markup.STATE -> state_pri,
    40     Markup.STATE_MESSAGE -> state_pri,
    41     Markup.WRITELN -> writeln_pri,
    42     Markup.WRITELN_MESSAGE -> writeln_pri,
    43     Markup.INFORMATION -> information_pri,
    44     Markup.INFORMATION_MESSAGE -> information_pri,
    45     Markup.TRACING -> tracing_pri,
    46     Markup.TRACING_MESSAGE -> tracing_pri,
    47     Markup.WARNING -> warning_pri,
    48     Markup.WARNING_MESSAGE -> warning_pri,
    49     Markup.LEGACY -> legacy_pri,
    50     Markup.LEGACY_MESSAGE -> legacy_pri,
    51     Markup.ERROR -> error_pri,
    52     Markup.ERROR_MESSAGE -> error_pri)
    53 
    54 
    55   /* popup window bounds */
    56 
    57   def popup_bounds: Double = (PIDE.options.real("jedit_popup_bounds") max 0.2) min 0.8
    58 
    59 
    60   /* Isabelle/Isar token markup */
    61 
    62   private val command_style: Map[String, Byte] =
    63   {
    64     import JEditToken._
    65     Map[String, Byte](
    66       Keyword.THY_END -> KEYWORD2,
    67       Keyword.PRF_ASM -> KEYWORD3,
    68       Keyword.PRF_ASM_GOAL -> KEYWORD3
    69     ).withDefaultValue(KEYWORD1)
    70   }
    71 
    72   private val token_style: Map[Token.Kind.Value, Byte] =
    73   {
    74     import JEditToken._
    75     Map[Token.Kind.Value, Byte](
    76       Token.Kind.KEYWORD -> KEYWORD2,
    77       Token.Kind.IDENT -> NULL,
    78       Token.Kind.LONG_IDENT -> NULL,
    79       Token.Kind.SYM_IDENT -> NULL,
    80       Token.Kind.VAR -> NULL,
    81       Token.Kind.TYPE_IDENT -> NULL,
    82       Token.Kind.TYPE_VAR -> NULL,
    83       Token.Kind.NAT -> NULL,
    84       Token.Kind.FLOAT -> NULL,
    85       Token.Kind.SPACE -> NULL,
    86       Token.Kind.STRING -> LITERAL1,
    87       Token.Kind.ALT_STRING -> LITERAL2,
    88       Token.Kind.VERBATIM -> COMMENT3,
    89       Token.Kind.CARTOUCHE -> COMMENT4,
    90       Token.Kind.COMMENT -> COMMENT1,
    91       Token.Kind.ERROR -> INVALID
    92     ).withDefaultValue(NULL)
    93   }
    94 
    95   def token_markup(syntax: Outer_Syntax, token: Token): Byte =
    96     if (token.is_command) command_style(syntax.keywords.command_kind(token.content).getOrElse(""))
    97     else if (token.is_delimiter) JEditToken.OPERATOR
    98     else token_style(token.kind)
    99 
   100 
   101   /* Isabelle/ML token markup */
   102 
   103   private val ml_token_style: Map[ML_Lex.Kind.Value, Byte] =
   104   {
   105     import JEditToken._
   106     Map[ML_Lex.Kind.Value, Byte](
   107       ML_Lex.Kind.KEYWORD -> NULL,
   108       ML_Lex.Kind.IDENT -> NULL,
   109       ML_Lex.Kind.LONG_IDENT -> NULL,
   110       ML_Lex.Kind.TYPE_VAR -> NULL,
   111       ML_Lex.Kind.WORD -> DIGIT,
   112       ML_Lex.Kind.INT -> DIGIT,
   113       ML_Lex.Kind.REAL -> DIGIT,
   114       ML_Lex.Kind.CHAR -> LITERAL2,
   115       ML_Lex.Kind.STRING -> LITERAL1,
   116       ML_Lex.Kind.SPACE -> NULL,
   117       ML_Lex.Kind.CARTOUCHE -> COMMENT4,
   118       ML_Lex.Kind.COMMENT -> COMMENT1,
   119       ML_Lex.Kind.ANTIQ -> NULL,
   120       ML_Lex.Kind.ANTIQ_START -> LITERAL4,
   121       ML_Lex.Kind.ANTIQ_STOP -> LITERAL4,
   122       ML_Lex.Kind.ANTIQ_OTHER -> NULL,
   123       ML_Lex.Kind.ANTIQ_STRING -> NULL,
   124       ML_Lex.Kind.ANTIQ_ALT_STRING -> NULL,
   125       ML_Lex.Kind.ANTIQ_CARTOUCHE -> NULL,
   126       ML_Lex.Kind.ERROR -> INVALID
   127     ).withDefaultValue(NULL)
   128   }
   129 
   130   def ml_token_markup(token: ML_Lex.Token): Byte =
   131     if (!token.is_keyword) ml_token_style(token.kind)
   132     else if (token.is_delimiter) JEditToken.OPERATOR
   133     else if (ML_Lex.keywords2(token.source)) JEditToken.KEYWORD2
   134     else if (ML_Lex.keywords3(token.source)) JEditToken.KEYWORD3
   135     else JEditToken.KEYWORD1
   136 
   137 
   138   /* markup elements */
   139 
   140   private val semantic_completion_elements =
   141     Markup.Elements(Markup.COMPLETION, Markup.NO_COMPLETION)
   142 
   143   private val language_context_elements =
   144     Markup.Elements(Markup.STRING, Markup.ALT_STRING, Markup.VERBATIM,
   145       Markup.CARTOUCHE, Markup.COMMENT, Markup.LANGUAGE,
   146       Markup.ML_STRING, Markup.ML_CARTOUCHE, Markup.ML_COMMENT)
   147 
   148   private val language_elements = Markup.Elements(Markup.LANGUAGE)
   149 
   150   private val citation_elements = Markup.Elements(Markup.CITATION)
   151 
   152   private val breakpoint_elements = Markup.Elements(Markup.ML_BREAKPOINT)
   153 
   154   private val highlight_elements =
   155     Markup.Elements(Markup.EXPRESSION, Markup.CITATION, Markup.LANGUAGE, Markup.ML_TYPING,
   156       Markup.TOKEN_RANGE, Markup.ENTITY, Markup.PATH, Markup.URL, Markup.SORTING,
   157       Markup.TYPING, Markup.FREE, Markup.SKOLEM, Markup.BOUND,
   158       Markup.VAR, Markup.TFREE, Markup.TVAR, Markup.ML_BREAKPOINT)
   159 
   160   private val hyperlink_elements =
   161     Markup.Elements(Markup.ENTITY, Markup.PATH, Markup.POSITION, Markup.CITATION, Markup.URL)
   162 
   163   private val active_elements =
   164     Markup.Elements(Markup.DIALOG, Markup.BROWSER, Markup.GRAPHVIEW,
   165       Markup.SENDBACK, Markup.SIMP_TRACE_PANEL)
   166 
   167   private val tooltip_message_elements =
   168     Markup.Elements(Markup.WRITELN, Markup.INFORMATION, Markup.WARNING, Markup.LEGACY, Markup.ERROR,
   169       Markup.BAD)
   170 
   171   private val tooltip_descriptions =
   172     Map(
   173       Markup.EXPRESSION -> "expression",
   174       Markup.CITATION -> "citation",
   175       Markup.TOKEN_RANGE -> "inner syntax token",
   176       Markup.FREE -> "free variable",
   177       Markup.SKOLEM -> "skolem variable",
   178       Markup.BOUND -> "bound variable",
   179       Markup.VAR -> "schematic variable",
   180       Markup.TFREE -> "free type variable",
   181       Markup.TVAR -> "schematic type variable")
   182 
   183   private val tooltip_elements =
   184     Markup.Elements(Markup.LANGUAGE, Markup.TIMING, Markup.ENTITY, Markup.SORTING,
   185       Markup.TYPING, Markup.ML_TYPING, Markup.ML_BREAKPOINT, Markup.PATH, Markup.URL) ++
   186     Markup.Elements(tooltip_descriptions.keySet)
   187 
   188   private val gutter_elements =
   189     Markup.Elements(Markup.WRITELN, Markup.INFORMATION, Markup.WARNING, Markup.LEGACY, Markup.ERROR)
   190 
   191   private val squiggly_elements =
   192     Markup.Elements(Markup.WRITELN, Markup.INFORMATION, Markup.WARNING, Markup.LEGACY, Markup.ERROR)
   193 
   194   private val line_background_elements =
   195     Markup.Elements(Markup.WRITELN_MESSAGE, Markup.STATE_MESSAGE, Markup.INFORMATION_MESSAGE,
   196       Markup.TRACING_MESSAGE, Markup.WARNING_MESSAGE, Markup.LEGACY_MESSAGE,
   197       Markup.ERROR_MESSAGE)
   198 
   199   private val separator_elements =
   200     Markup.Elements(Markup.SEPARATOR)
   201 
   202   private val background_elements =
   203     Protocol.proper_status_elements + Markup.WRITELN_MESSAGE +
   204       Markup.STATE_MESSAGE + Markup.INFORMATION_MESSAGE +
   205       Markup.TRACING_MESSAGE + Markup.WARNING_MESSAGE +
   206       Markup.LEGACY_MESSAGE + Markup.ERROR_MESSAGE +
   207       Markup.BAD + Markup.INTENSIFY + Markup.ML_BREAKPOINT ++ active_elements
   208 
   209   private val foreground_elements =
   210     Markup.Elements(Markup.STRING, Markup.ALT_STRING, Markup.VERBATIM,
   211       Markup.CARTOUCHE, Markup.ANTIQUOTED)
   212 
   213   private val bullet_elements =
   214     Markup.Elements(Markup.BULLET)
   215 
   216   private val fold_depth_elements =
   217     Markup.Elements(Markup.TEXT_FOLD, Markup.GOAL, Markup.SUBGOAL)
   218 }
   219 
   220 
   221 class Rendering private(val snapshot: Document.Snapshot, val options: Options)
   222 {
   223   override def toString: String = "Rendering(" + snapshot.toString + ")"
   224 
   225 
   226   /* colors */
   227 
   228   def color_value(s: String): Color = Color_Value(options.string(s))
   229 
   230   val outdated_color = color_value("outdated_color")
   231   val unprocessed_color = color_value("unprocessed_color")
   232   val unprocessed1_color = color_value("unprocessed1_color")
   233   val running_color = color_value("running_color")
   234   val running1_color = color_value("running1_color")
   235   val bullet_color = color_value("bullet_color")
   236   val tooltip_color = color_value("tooltip_color")
   237   val writeln_color = color_value("writeln_color")
   238   val information_color = color_value("information_color")
   239   val warning_color = color_value("warning_color")
   240   val legacy_color = color_value("legacy_color")
   241   val error_color = color_value("error_color")
   242   val writeln_message_color = color_value("writeln_message_color")
   243   val state_message_color = color_value("state_message_color")
   244   val information_message_color = color_value("information_message_color")
   245   val tracing_message_color = color_value("tracing_message_color")
   246   val warning_message_color = color_value("warning_message_color")
   247   val legacy_message_color = color_value("legacy_message_color")
   248   val error_message_color = color_value("error_message_color")
   249   val spell_checker_color = color_value("spell_checker_color")
   250   val bad_color = color_value("bad_color")
   251   val intensify_color = color_value("intensify_color")
   252   val breakpoint_color = color_value("breakpoint_color")
   253   val breakpoint_active_color = color_value("breakpoint_active_color")
   254   val quoted_color = color_value("quoted_color")
   255   val antiquoted_color = color_value("antiquoted_color")
   256   val antiquote_color = color_value("antiquote_color")
   257   val highlight_color = color_value("highlight_color")
   258   val hyperlink_color = color_value("hyperlink_color")
   259   val active_color = color_value("active_color")
   260   val active_hover_color = color_value("active_hover_color")
   261   val active_result_color = color_value("active_result_color")
   262   val keyword1_color = color_value("keyword1_color")
   263   val keyword2_color = color_value("keyword2_color")
   264   val keyword3_color = color_value("keyword3_color")
   265   val quasi_keyword_color = color_value("quasi_keyword_color")
   266   val improper_color = color_value("improper_color")
   267   val operator_color = color_value("operator_color")
   268   val caret_invisible_color = color_value("caret_invisible_color")
   269   val completion_color = color_value("completion_color")
   270   val search_color = color_value("search_color")
   271 
   272   val tfree_color = color_value("tfree_color")
   273   val tvar_color = color_value("tvar_color")
   274   val free_color = color_value("free_color")
   275   val skolem_color = color_value("skolem_color")
   276   val bound_color = color_value("bound_color")
   277   val var_color = color_value("var_color")
   278   val inner_numeral_color = color_value("inner_numeral_color")
   279   val inner_quoted_color = color_value("inner_quoted_color")
   280   val inner_cartouche_color = color_value("inner_cartouche_color")
   281   val inner_comment_color = color_value("inner_comment_color")
   282   val dynamic_color = color_value("dynamic_color")
   283 
   284 
   285   /* completion */
   286 
   287   def semantic_completion(range: Text.Range): Option[Text.Info[Completion.Semantic]] =
   288     if (snapshot.is_outdated) None
   289     else {
   290       snapshot.select(range, Rendering.semantic_completion_elements, _ =>
   291         {
   292           case Completion.Semantic.Info(info) => Some(info)
   293           case _ => None
   294         }).headOption.map(_.info)
   295     }
   296 
   297   def language_context(range: Text.Range): Option[Completion.Language_Context] =
   298     snapshot.select(range, Rendering.language_context_elements, _ =>
   299       {
   300         case Text.Info(_, XML.Elem(Markup.Language(language, symbols, antiquotes, delimited), _)) =>
   301           if (delimited) Some(Completion.Language_Context(language, symbols, antiquotes))
   302           else None
   303         case Text.Info(_, elem)
   304         if elem.name == Markup.ML_STRING ||
   305           elem.name == Markup.ML_CARTOUCHE ||
   306           elem.name == Markup.ML_COMMENT =>
   307           Some(Completion.Language_Context.ML_inner)
   308         case Text.Info(_, _) =>
   309           Some(Completion.Language_Context.inner)
   310       }).headOption.map(_.info)
   311 
   312   def language_path(range: Text.Range): Option[Text.Range] =
   313     snapshot.select(range, Rendering.language_elements, _ =>
   314       {
   315         case Text.Info(info_range, XML.Elem(Markup.Language(Markup.Language.PATH, _, _, _), _)) =>
   316           Some(snapshot.convert(info_range))
   317         case _ => None
   318       }).headOption.map(_.info)
   319 
   320   def citation(range: Text.Range): Option[Text.Info[String]] =
   321     snapshot.select(range, Rendering.citation_elements, _ =>
   322       {
   323         case Text.Info(info_range, XML.Elem(Markup.Citation(name), _)) =>
   324           Some(Text.Info(snapshot.convert(info_range), name))
   325         case _ => None
   326       }).headOption.map(_.info)
   327 
   328 
   329   /* spell checker */
   330 
   331   private lazy val spell_checker_elements =
   332     Markup.Elements(space_explode(',', options.string("spell_checker_elements")): _*)
   333 
   334   def spell_checker_ranges(range: Text.Range): List[Text.Range] =
   335     snapshot.select(range, spell_checker_elements, _ => _ => Some(())).map(_.range)
   336 
   337   def spell_checker_point(range: Text.Range): Option[Text.Range] =
   338     snapshot.select(range, spell_checker_elements, _ =>
   339       {
   340         case info => Some(snapshot.convert(info.range))
   341       }).headOption.map(_.info)
   342 
   343 
   344   /* breakpoints */
   345 
   346   def breakpoint(range: Text.Range): Option[(Command, Long)] =
   347     if (snapshot.is_outdated) None
   348     else
   349       snapshot.select(range, Rendering.breakpoint_elements, command_states =>
   350         {
   351           case Text.Info(_, Protocol.ML_Breakpoint(breakpoint)) =>
   352             command_states match {
   353               case st :: _ => Some((st.command, breakpoint))
   354               case _ => None
   355             }
   356           case _ => None
   357         }).headOption.map(_.info)
   358 
   359 
   360   /* command status overview */
   361 
   362   def overview_limit: Int = options.int("jedit_text_overview_limit")
   363 
   364   def overview_color(range: Text.Range): Option[Color] =
   365   {
   366     if (snapshot.is_outdated) None
   367     else {
   368       val results =
   369         snapshot.cumulate[List[Markup]](range, Nil, Protocol.liberal_status_elements, _ =>
   370           {
   371             case (status, Text.Info(_, elem)) => Some(elem.markup :: status)
   372           }, status = true)
   373       if (results.isEmpty) None
   374       else {
   375         val status = Protocol.Status.make(results.iterator.flatMap(_.info))
   376 
   377         if (status.is_running) Some(running_color)
   378         else if (status.is_failed) Some(error_color)
   379         else if (status.is_warned) Some(warning_color)
   380         else if (status.is_unprocessed) Some(unprocessed_color)
   381         else None
   382       }
   383     }
   384   }
   385 
   386 
   387   /* highlighted area */
   388 
   389   def highlight(range: Text.Range): Option[Text.Info[Color]] =
   390     snapshot.select(range, Rendering.highlight_elements, _ =>
   391       {
   392         case info => Some(Text.Info(snapshot.convert(info.range), highlight_color))
   393       }).headOption.map(_.info)
   394 
   395 
   396   /* hyperlinks */
   397 
   398   private def jedit_file(name: String): String =
   399     if (Path.is_valid(name))
   400       PIDE.resources.append(snapshot.node_name.master_dir, Path.explode(name))
   401     else name
   402 
   403   def hyperlink(range: Text.Range): Option[Text.Info[PIDE.editor.Hyperlink]] =
   404   {
   405     snapshot.cumulate[Vector[Text.Info[PIDE.editor.Hyperlink]]](
   406       range, Vector.empty, Rendering.hyperlink_elements, _ =>
   407         {
   408           case (links, Text.Info(info_range, XML.Elem(Markup.Path(name), _))) =>
   409             val link = PIDE.editor.hyperlink_file(jedit_file(name))
   410             Some(links :+ Text.Info(snapshot.convert(info_range), link))
   411 
   412           case (links, Text.Info(info_range, XML.Elem(Markup.Url(name), _))) =>
   413             val link = PIDE.editor.hyperlink_url(name)
   414             Some(links :+ Text.Info(snapshot.convert(info_range), link))
   415 
   416           case (links, Text.Info(info_range, XML.Elem(Markup(Markup.ENTITY, props), _)))
   417           if !props.exists(
   418             { case (Markup.KIND, Markup.ML_OPEN) => true
   419               case (Markup.KIND, Markup.ML_STRUCTURE) => true
   420               case _ => false }) =>
   421             val opt_link = PIDE.editor.hyperlink_def_position(snapshot, props)
   422             opt_link.map(link => links :+ Text.Info(snapshot.convert(info_range), link))
   423 
   424           case (links, Text.Info(info_range, XML.Elem(Markup(Markup.POSITION, props), _))) =>
   425             val opt_link = PIDE.editor.hyperlink_position(snapshot, props)
   426             opt_link.map(link => links :+ Text.Info(snapshot.convert(info_range), link))
   427 
   428           case (links, Text.Info(info_range, XML.Elem(Markup.Citation(name), _))) =>
   429             val opt_link =
   430               Bibtex_JEdit.entries_iterator.collectFirst(
   431                 { case (a, buffer, offset) if a == name =>
   432                     PIDE.editor.hyperlink_buffer(buffer, offset) })
   433             opt_link.map(link => links :+ Text.Info(snapshot.convert(info_range), link))
   434 
   435           case _ => None
   436         }) match { case Text.Info(_, _ :+ info) :: _ => Some(info) case _ => None }
   437   }
   438 
   439 
   440   /* active elements */
   441 
   442   def active(range: Text.Range): Option[Text.Info[XML.Elem]] =
   443     snapshot.select(range, Rendering.active_elements, command_states =>
   444       {
   445         case Text.Info(info_range, elem) =>
   446           if (elem.name == Markup.DIALOG) {
   447             elem match {
   448               case Protocol.Dialog(_, serial, _)
   449               if !command_states.exists(st => st.results.defined(serial)) =>
   450                 Some(Text.Info(snapshot.convert(info_range), elem))
   451               case _ => None
   452             }
   453           }
   454           else Some(Text.Info(snapshot.convert(info_range), elem))
   455       }).headOption.map(_.info)
   456 
   457   def command_results(range: Text.Range): Command.Results =
   458     Command.State.merge_results(
   459       snapshot.select[List[Command.State]](range, Markup.Elements.full, command_states =>
   460         { case _ => Some(command_states) }).flatMap(_.info))
   461 
   462 
   463   /* tooltip messages */
   464 
   465   def tooltip_message(range: Text.Range): Option[Text.Info[XML.Body]] =
   466   {
   467     val results =
   468       snapshot.cumulate[List[Text.Info[Command.Results.Entry]]](
   469         range, Nil, Rendering.tooltip_message_elements, _ =>
   470         {
   471           case (msgs, Text.Info(info_range, msg @ XML.Elem(Markup(Markup.BAD, _), body)))
   472           if body.nonEmpty =>
   473             val entry: Command.Results.Entry = (Document_ID.make(), msg)
   474             Some(Text.Info(snapshot.convert(info_range), entry) :: msgs)
   475 
   476           case (msgs, Text.Info(info_range,
   477             XML.Elem(Markup(name, props @ Markup.Serial(serial)), body))) =>
   478             val entry: Command.Results.Entry =
   479               serial -> XML.Elem(Markup(Markup.message(name), props), body)
   480             Some(Text.Info(snapshot.convert(info_range), entry) :: msgs)
   481 
   482           case _ => None
   483         }).flatMap(_.info)
   484     if (results.isEmpty) None
   485     else {
   486       val r = Text.Range(results.head.range.start, results.last.range.stop)
   487       val msgs = Command.Results.make(results.map(_.info))
   488       Some(Text.Info(r, Pretty.separate(msgs.iterator.map(_._2).toList)))
   489     }
   490   }
   491 
   492 
   493   /* tooltips */
   494 
   495   private def pretty_typing(kind: String, body: XML.Body): XML.Tree =
   496     Pretty.block(XML.Text(kind) :: Pretty.Break(1) :: body)
   497 
   498   private def timing_threshold: Double = options.real("jedit_timing_threshold")
   499 
   500   def tooltip(range: Text.Range): Option[Text.Info[XML.Body]] =
   501   {
   502     def add(prev: Text.Info[(Timing, Vector[(Boolean, XML.Tree)])],
   503       r0: Text.Range, p: (Boolean, XML.Tree)): Text.Info[(Timing, Vector[(Boolean, XML.Tree)])] =
   504     {
   505       val r = snapshot.convert(r0)
   506       val (t, info) = prev.info
   507       if (prev.range == r)
   508         Text.Info(r, (t, info :+ p))
   509       else Text.Info(r, (t, Vector(p)))
   510     }
   511 
   512     val results =
   513       snapshot.cumulate[Text.Info[(Timing, Vector[(Boolean, XML.Tree)])]](
   514         range, Text.Info(range, (Timing.zero, Vector.empty)), Rendering.tooltip_elements, _ =>
   515         {
   516           case (Text.Info(r, (t1, info)), Text.Info(_, XML.Elem(Markup.Timing(t2), _))) =>
   517             Some(Text.Info(r, (t1 + t2, info)))
   518           case (prev, Text.Info(r, XML.Elem(Markup.Entity(kind, name), _))) =>
   519             val kind1 = Word.implode(Word.explode('_', kind))
   520             val txt1 =
   521               if (name == "") kind1
   522               else kind1 + " " + quote(name)
   523             val t = prev.info._1
   524             val txt2 =
   525               if (kind == Markup.COMMAND && t.elapsed.seconds >= timing_threshold)
   526                 "\n" + t.message
   527               else ""
   528             Some(add(prev, r, (true, XML.Text(txt1 + txt2))))
   529           case (prev, Text.Info(r, XML.Elem(Markup.Path(name), _))) =>
   530             val file = jedit_file(name)
   531             val text =
   532               if (name == file) "file " + quote(file)
   533               else "path " + quote(name) + "\nfile " + quote(file)
   534             Some(add(prev, r, (true, XML.Text(text))))
   535           case (prev, Text.Info(r, XML.Elem(Markup.Url(name), _))) =>
   536             Some(add(prev, r, (true, XML.Text("URL " + quote(name)))))
   537           case (prev, Text.Info(r, XML.Elem(Markup(name, _), body)))
   538           if name == Markup.SORTING || name == Markup.TYPING =>
   539             Some(add(prev, r, (true, pretty_typing("::", body))))
   540           case (prev, Text.Info(r, XML.Elem(Markup(Markup.ML_TYPING, _), body))) =>
   541             Some(add(prev, r, (false, pretty_typing("ML:", body))))
   542           case (prev, Text.Info(r, Protocol.ML_Breakpoint(breakpoint))) =>
   543             val text =
   544               if (Debugger.breakpoint_state(breakpoint)) "breakpoint (enabled)"
   545               else "breakpoint (disabled)"
   546             Some(add(prev, r, (true, XML.Text(text))))
   547           case (prev, Text.Info(r, XML.Elem(Markup.Language(language, _, _, _), _))) =>
   548             Some(add(prev, r, (true, XML.Text("language: " + language))))
   549           case (prev, Text.Info(r, XML.Elem(Markup(name, _), _))) =>
   550             Rendering.tooltip_descriptions.get(name).
   551               map(descr => add(prev, r, (true, XML.Text(descr))))
   552         }).map(_.info)
   553 
   554     results.map(_.info).flatMap(res => res._2.toList) match {
   555       case Nil => None
   556       case tips =>
   557         val r = Text.Range(results.head.range.start, results.last.range.stop)
   558         val all_tips = (tips.filter(_._1) ++ tips.filter(!_._1).lastOption.toList).map(_._2)
   559         Some(Text.Info(r, Library.separate(Pretty.FBreak, all_tips)))
   560     }
   561   }
   562 
   563   def tooltip_margin: Int = options.int("jedit_tooltip_margin")
   564 
   565   lazy val tooltip_close_icon = JEdit_Lib.load_icon(options.string("tooltip_close_icon"))
   566   lazy val tooltip_detach_icon = JEdit_Lib.load_icon(options.string("tooltip_detach_icon"))
   567 
   568 
   569   /* gutter */
   570 
   571   private def gutter_message_pri(msg: XML.Tree): Int =
   572     if (Protocol.is_error(msg)) Rendering.error_pri
   573     else if (Protocol.is_legacy(msg)) Rendering.legacy_pri
   574     else if (Protocol.is_warning(msg)) Rendering.warning_pri
   575     else if (Protocol.is_information(msg)) Rendering.information_pri
   576     else 0
   577 
   578   private lazy val gutter_message_content = Map(
   579     Rendering.information_pri ->
   580       (JEdit_Lib.load_icon(options.string("gutter_information_icon")), information_message_color),
   581     Rendering.warning_pri ->
   582       (JEdit_Lib.load_icon(options.string("gutter_warning_icon")), warning_message_color),
   583     Rendering.legacy_pri ->
   584       (JEdit_Lib.load_icon(options.string("gutter_legacy_icon")), warning_message_color),
   585     Rendering.error_pri ->
   586       (JEdit_Lib.load_icon(options.string("gutter_error_icon")), error_message_color))
   587 
   588   def gutter_content(range: Text.Range): Option[(Icon, Color)] =
   589   {
   590     val pris =
   591       snapshot.cumulate[Int](range, 0, Rendering.gutter_elements, _ =>
   592         {
   593           case (pri, Text.Info(_, msg @ XML.Elem(Markup(_, Markup.Serial(serial)), _))) =>
   594             Some(pri max gutter_message_pri(msg))
   595           case _ => None
   596         }).map(_.info)
   597 
   598     gutter_message_content.get((0 /: pris)(_ max _))
   599   }
   600 
   601 
   602   /* squiggly underline */
   603 
   604   private lazy val squiggly_colors = Map(
   605     Rendering.writeln_pri -> writeln_color,
   606     Rendering.information_pri -> information_color,
   607     Rendering.warning_pri -> warning_color,
   608     Rendering.legacy_pri -> legacy_color,
   609     Rendering.error_pri -> error_color)
   610 
   611   def squiggly_underline(range: Text.Range): List[Text.Info[Color]] =
   612   {
   613     val results =
   614       snapshot.cumulate[Int](range, 0, Rendering.squiggly_elements, _ =>
   615         {
   616           case (pri, Text.Info(_, elem)) => Some(pri max Rendering.message_pri(elem.name))
   617         })
   618     for {
   619       Text.Info(r, pri) <- results
   620       color <- squiggly_colors.get(pri)
   621     } yield Text.Info(r, color)
   622   }
   623 
   624 
   625   /* message output */
   626 
   627   private lazy val message_colors = Map(
   628     Rendering.writeln_pri -> writeln_message_color,
   629     Rendering.state_pri -> state_message_color,
   630     Rendering.information_pri -> information_message_color,
   631     Rendering.tracing_pri -> tracing_message_color,
   632     Rendering.warning_pri -> warning_message_color,
   633     Rendering.legacy_pri -> legacy_message_color,
   634     Rendering.error_pri -> error_message_color)
   635 
   636   def line_background(range: Text.Range): Option[(Color, Boolean)] =
   637   {
   638     val results =
   639       snapshot.cumulate[Int](range, 0, Rendering.line_background_elements, _ =>
   640         {
   641           case (pri, Text.Info(_, elem)) => Some(pri max Rendering.message_pri(elem.name))
   642         })
   643     val pri = (0 /: results) { case (p1, Text.Info(_, p2)) => p1 max p2 }
   644 
   645     val is_separator =
   646       pri > 0 &&
   647       snapshot.cumulate[Boolean](range, false, Rendering.separator_elements, _ =>
   648         {
   649           case _ => Some(true)
   650         }).exists(_.info)
   651 
   652     message_colors.get(pri).map((_, is_separator))
   653   }
   654 
   655   def output_messages(results: Command.Results): List[XML.Tree] =
   656   {
   657     val (states, other) =
   658       results.iterator.map(_._2).filterNot(Protocol.is_result(_)).toList
   659         .partition(Protocol.is_state(_))
   660     states ::: other
   661   }
   662 
   663 
   664   /* text background */
   665 
   666   def background(range: Text.Range): List[Text.Info[Color]] =
   667   {
   668     if (snapshot.is_outdated && snapshot.is_loaded) List(Text.Info(range, outdated_color))
   669     else
   670       for {
   671         Text.Info(r, result) <-
   672           snapshot.cumulate[(List[Markup], Option[Color])](
   673             range, (List(Markup.Empty), None), Rendering.background_elements,
   674             command_states =>
   675               {
   676                 case (((status, color), Text.Info(_, XML.Elem(markup, _))))
   677                 if status.nonEmpty && Protocol.proper_status_elements(markup.name) =>
   678                   Some((markup :: status, color))
   679                 case (_, Text.Info(_, XML.Elem(Markup(Markup.BAD, _), _))) =>
   680                   Some((Nil, Some(bad_color)))
   681                 case (_, Text.Info(_, XML.Elem(Markup(Markup.INTENSIFY, _), _))) =>
   682                   Some((Nil, Some(intensify_color)))
   683                 case (_, Text.Info(_, Protocol.ML_Breakpoint(breakpoint))) =>
   684                   Debugger.active_breakpoint_state(breakpoint).map(active =>
   685                     (Nil, Some(if (active) breakpoint_active_color else breakpoint_color)))
   686                 case (acc, Text.Info(_, Protocol.Dialog(_, serial, result))) =>
   687                   command_states.collectFirst(
   688                     { case st if st.results.defined(serial) => st.results.get(serial).get }) match
   689                   {
   690                     case Some(Protocol.Dialog_Result(res)) if res == result =>
   691                       Some((Nil, Some(active_result_color)))
   692                     case _ =>
   693                       Some((Nil, Some(active_color)))
   694                   }
   695                 case (_, Text.Info(_, elem)) =>
   696                   if (Rendering.active_elements(elem.name)) Some((Nil, Some(active_color)))
   697                   else None
   698               })
   699         color <-
   700           (result match {
   701             case (markups, opt_color) if markups.nonEmpty =>
   702               val status = Protocol.Status.make(markups.iterator)
   703               if (status.is_unprocessed) Some(unprocessed1_color)
   704               else if (status.is_running) Some(running1_color)
   705               else opt_color
   706             case (_, opt_color) => opt_color
   707           })
   708       } yield Text.Info(r, color)
   709   }
   710 
   711 
   712   /* text foreground */
   713 
   714   def foreground(range: Text.Range): List[Text.Info[Color]] =
   715     snapshot.select(range, Rendering.foreground_elements, _ =>
   716       {
   717         case Text.Info(_, elem) =>
   718           if (elem.name == Markup.ANTIQUOTED) Some(antiquoted_color) else Some(quoted_color)
   719       })
   720 
   721 
   722   /* text color */
   723 
   724   private lazy val text_colors: Map[String, Color] = Map(
   725       Markup.KEYWORD1 -> keyword1_color,
   726       Markup.KEYWORD2 -> keyword2_color,
   727       Markup.KEYWORD3 -> keyword3_color,
   728       Markup.QUASI_KEYWORD -> quasi_keyword_color,
   729       Markup.IMPROPER -> improper_color,
   730       Markup.OPERATOR -> operator_color,
   731       Markup.STRING -> Color.BLACK,
   732       Markup.ALT_STRING -> Color.BLACK,
   733       Markup.VERBATIM -> Color.BLACK,
   734       Markup.CARTOUCHE -> Color.BLACK,
   735       Markup.LITERAL -> keyword1_color,
   736       Markup.DELIMITER -> Color.BLACK,
   737       Markup.TFREE -> tfree_color,
   738       Markup.TVAR -> tvar_color,
   739       Markup.FREE -> free_color,
   740       Markup.SKOLEM -> skolem_color,
   741       Markup.BOUND -> bound_color,
   742       Markup.VAR -> var_color,
   743       Markup.INNER_STRING -> inner_quoted_color,
   744       Markup.INNER_CARTOUCHE -> inner_cartouche_color,
   745       Markup.INNER_COMMENT -> inner_comment_color,
   746       Markup.DYNAMIC_FACT -> dynamic_color,
   747       Markup.ANTIQUOTE -> antiquote_color,
   748       Markup.ML_KEYWORD1 -> keyword1_color,
   749       Markup.ML_KEYWORD2 -> keyword2_color,
   750       Markup.ML_KEYWORD3 -> keyword3_color,
   751       Markup.ML_DELIMITER -> Color.BLACK,
   752       Markup.ML_NUMERAL -> inner_numeral_color,
   753       Markup.ML_CHAR -> inner_quoted_color,
   754       Markup.ML_STRING -> inner_quoted_color,
   755       Markup.ML_CARTOUCHE -> inner_cartouche_color,
   756       Markup.ML_COMMENT -> inner_comment_color,
   757       Markup.SML_STRING -> inner_quoted_color,
   758       Markup.SML_COMMENT -> inner_comment_color)
   759 
   760   private lazy val text_color_elements =
   761     Markup.Elements(text_colors.keySet)
   762 
   763   def text_color(range: Text.Range, color: Color): List[Text.Info[Color]] =
   764   {
   765     if (color == Token_Markup.hidden_color) List(Text.Info(range, color))
   766     else
   767       snapshot.cumulate(range, color, text_color_elements, _ =>
   768         {
   769           case (_, Text.Info(_, elem)) => text_colors.get(elem.name)
   770         })
   771   }
   772 
   773 
   774   /* virtual bullets */
   775 
   776   def bullet(range: Text.Range): List[Text.Info[Color]] =
   777     snapshot.select(range, Rendering.bullet_elements, _ => _ => Some(bullet_color))
   778 
   779 
   780   /* text folds */
   781 
   782   def fold_depth(range: Text.Range): List[Text.Info[Int]] =
   783     snapshot.cumulate[Int](range, 0, Rendering.fold_depth_elements, _ =>
   784       {
   785         case (depth, _) => Some(depth + 1)
   786       })
   787 }