src/Tools/jEdit/src/rendering.scala
author wenzelm
Sun Feb 23 16:08:38 2014 +0100 (2014-02-23)
changeset 55690 d73949233c2e
parent 55689 13b58baf994b
child 55710 2d623ab55672
permissions -rw-r--r--
clarified stretch_point_range wrt. UTF-16 surrogates;
tuned;
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/*  Title:      Tools/jEdit/src/rendering.scala
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    Author:     Makarius
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Isabelle-specific implementation of quasi-abstract rendering and
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markup interpretation.
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*/
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package isabelle.jedit
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import isabelle._
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import java.awt.Color
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import javax.swing.Icon
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import org.gjt.sp.jedit.syntax.{Token => JEditToken}
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import org.gjt.sp.jedit.{jEdit, View}
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import scala.collection.immutable.SortedMap
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object Rendering
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{
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  def apply(snapshot: Document.Snapshot, options: Options): Rendering =
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    new Rendering(snapshot, options)
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  /* message priorities */
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  private val writeln_pri = 1
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  private val information_pri = 2
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  private val tracing_pri = 3
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  private val warning_pri = 4
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  private val legacy_pri = 5
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  private val error_pri = 6
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  private val message_pri = Map(
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    Markup.WRITELN -> writeln_pri, Markup.WRITELN_MESSAGE -> writeln_pri,
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    Markup.TRACING -> tracing_pri, Markup.TRACING_MESSAGE -> tracing_pri,
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    Markup.WARNING -> warning_pri, Markup.WARNING_MESSAGE -> warning_pri,
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    Markup.ERROR -> error_pri, Markup.ERROR_MESSAGE -> error_pri)
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  /* jEdit font */
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  def font_family(): String = jEdit.getProperty("view.font")
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  private def view_font_size(): Int = jEdit.getIntegerProperty("view.fontsize", 16)
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  private val font_size0 = 5
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  private val font_size1 = 250
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  def font_size(scale: String): Float =
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    (view_font_size() * PIDE.options.real(scale)).toFloat max font_size0 min font_size1
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  def font_size_change(view: View, change: Int => Int)
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  {
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    val size = change(view_font_size()) max font_size0 min font_size1
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    jEdit.setIntegerProperty("view.fontsize", size)
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    jEdit.propertiesChanged()
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    jEdit.saveSettings()
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    view.getStatus.setMessageAndClear("Text font size: " + size)
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  }
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  /* popup window bounds */
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  def popup_bounds: Double = (PIDE.options.real("jedit_popup_bounds") max 0.2) min 0.8
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  /* Isabelle/Isar token markup */
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  private val command_style: Map[String, Byte] =
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  {
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    import JEditToken._
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    Map[String, Byte](
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      Keyword.THY_END -> KEYWORD2,
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      Keyword.THY_SCRIPT -> LABEL,
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      Keyword.QED_SCRIPT -> DIGIT,
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      Keyword.PRF_SCRIPT -> DIGIT,
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      Keyword.PRF_ASM -> KEYWORD3,
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      Keyword.PRF_ASM_GOAL -> KEYWORD3,
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      Keyword.PRF_ASM_GOAL_SCRIPT -> DIGIT
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    ).withDefaultValue(KEYWORD1)
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  }
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  private val token_style: Map[Token.Kind.Value, Byte] =
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  {
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    import JEditToken._
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    Map[Token.Kind.Value, Byte](
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      Token.Kind.KEYWORD -> KEYWORD2,
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      Token.Kind.IDENT -> NULL,
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      Token.Kind.LONG_IDENT -> NULL,
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      Token.Kind.SYM_IDENT -> NULL,
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      Token.Kind.VAR -> NULL,
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      Token.Kind.TYPE_IDENT -> NULL,
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      Token.Kind.TYPE_VAR -> NULL,
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      Token.Kind.NAT -> NULL,
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      Token.Kind.FLOAT -> NULL,
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      Token.Kind.STRING -> LITERAL1,
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      Token.Kind.ALT_STRING -> LITERAL2,
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      Token.Kind.VERBATIM -> COMMENT3,
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      Token.Kind.CARTOUCHE -> COMMENT4,
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      Token.Kind.SPACE -> NULL,
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      Token.Kind.COMMENT -> COMMENT1,
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      Token.Kind.ERROR -> INVALID
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    ).withDefaultValue(NULL)
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  }
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  def token_markup(syntax: Outer_Syntax, token: Token): Byte =
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    if (token.is_command) command_style(syntax.keyword_kind(token.content).getOrElse(""))
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    else if (token.is_delimiter) JEditToken.OPERATOR
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    else token_style(token.kind)
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  /* Isabelle/ML token markup */
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  private val ml_token_style: Map[ML_Lex.Kind.Value, Byte] =
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  {
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    import JEditToken._
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    Map[ML_Lex.Kind.Value, Byte](
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      ML_Lex.Kind.KEYWORD -> NULL,
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      ML_Lex.Kind.IDENT -> NULL,
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      ML_Lex.Kind.LONG_IDENT -> NULL,
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      ML_Lex.Kind.TYPE_VAR -> NULL,
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      ML_Lex.Kind.WORD -> DIGIT,
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      ML_Lex.Kind.INT -> DIGIT,
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      ML_Lex.Kind.REAL -> DIGIT,
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      ML_Lex.Kind.CHAR -> LITERAL2,
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      ML_Lex.Kind.STRING -> LITERAL1,
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      ML_Lex.Kind.SPACE -> NULL,
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      ML_Lex.Kind.COMMENT -> COMMENT1,
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      ML_Lex.Kind.ANTIQ -> NULL,
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      ML_Lex.Kind.ANTIQ_START -> LITERAL4,
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      ML_Lex.Kind.ANTIQ_STOP -> LITERAL4,
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      ML_Lex.Kind.ANTIQ_OTHER -> NULL,
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      ML_Lex.Kind.ANTIQ_STRING -> NULL,
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      ML_Lex.Kind.ANTIQ_ALT_STRING -> NULL,
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      ML_Lex.Kind.ANTIQ_CARTOUCHE -> NULL,
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      ML_Lex.Kind.ERROR -> INVALID
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    ).withDefaultValue(NULL)
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  }
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  def ml_token_markup(token: ML_Lex.Token): Byte =
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    if (!token.is_keyword) ml_token_style(token.kind)
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    else if (token.is_delimiter) JEditToken.OPERATOR
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    else if (ML_Lex.keywords2(token.source)) JEditToken.KEYWORD2
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    else if (ML_Lex.keywords3(token.source)) JEditToken.KEYWORD3
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    else JEditToken.KEYWORD1
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  /* markup elements */
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  private val completion_names_elements = Set(Markup.COMPLETION)
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  private val completion_context_elements =
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    Set(Markup.STRING, Markup.ALTSTRING, Markup.VERBATIM,
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      Markup.CARTOUCHE, Markup.COMMENT, Markup.LANGUAGE,
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      Markup.ML_STRING, Markup.ML_COMMENT)
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  private val highlight_elements =
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    Set(Markup.LANGUAGE, Markup.ML_TYPING, Markup.TOKEN_RANGE,
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      Markup.ENTITY, Markup.PATH, Markup.URL, Markup.SORTING,
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      Markup.TYPING, Markup.FREE, Markup.SKOLEM, Markup.BOUND,
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      Markup.VAR, Markup.TFREE, Markup.TVAR)
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  private val hyperlink_elements =
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    Set(Markup.ENTITY, Markup.PATH, Markup.POSITION, Markup.URL)
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  private val active_elements =
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    Set(Markup.DIALOG, Markup.BROWSER, Markup.GRAPHVIEW,
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      Markup.SENDBACK, Markup.SIMP_TRACE)
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  private val tooltip_message_elements =
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    Set(Markup.WRITELN, Markup.WARNING, Markup.ERROR, Markup.BAD)
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  private val tooltip_descriptions =
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    Map(
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      Markup.TOKEN_RANGE -> "inner syntax token",
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      Markup.FREE -> "free variable",
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      Markup.SKOLEM -> "skolem variable",
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      Markup.BOUND -> "bound variable",
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      Markup.VAR -> "schematic variable",
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      Markup.TFREE -> "free type variable",
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      Markup.TVAR -> "schematic type variable")
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  private val tooltip_elements =
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    Set(Markup.LANGUAGE, Markup.TIMING, Markup.ENTITY, Markup.SORTING,
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      Markup.TYPING, Markup.ML_TYPING, Markup.PATH, Markup.URL) ++
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      tooltip_descriptions.keys
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  private val gutter_elements =
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    Set(Markup.WRITELN, Markup.WARNING, Markup.ERROR)
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  private val squiggly_elements =
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    Set(Markup.WRITELN, Markup.WARNING, Markup.ERROR)
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  private val line_background_elements =
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    Set(Markup.WRITELN_MESSAGE, Markup.TRACING_MESSAGE,
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      Markup.WARNING_MESSAGE, Markup.ERROR_MESSAGE,
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      Markup.INFORMATION)
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  private val separator_elements = Set(Markup.SEPARATOR)
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  private val background1_elements =
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    Protocol.command_status_elements + Markup.WRITELN_MESSAGE +
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      Markup.TRACING_MESSAGE + Markup.WARNING_MESSAGE +
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      Markup.ERROR_MESSAGE + Markup.BAD + Markup.INTENSIFY ++
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      active_elements
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  private val background2_elements = Set(Markup.TOKEN_RANGE)
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  private val foreground_elements =
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    Set(Markup.STRING, Markup.ALTSTRING, Markup.VERBATIM,
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      Markup.CARTOUCHE, Markup.ANTIQUOTED)
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  private val bullet_elements = Set(Markup.BULLET)
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  private val fold_depth_elements =
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    Set(Markup.TEXT_FOLD, Markup.GOAL, Markup.SUBGOAL)
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}
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class Rendering private(val snapshot: Document.Snapshot, val options: Options)
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{
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  /* colors */
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  def color_value(s: String): Color = Color_Value(options.string(s))
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  val outdated_color = color_value("outdated_color")
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  val unprocessed_color = color_value("unprocessed_color")
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  val unprocessed1_color = color_value("unprocessed1_color")
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  val running_color = color_value("running_color")
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  val running1_color = color_value("running1_color")
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  val light_color = color_value("light_color")
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  val bullet_color = color_value("bullet_color")
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  val tooltip_color = color_value("tooltip_color")
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  val writeln_color = color_value("writeln_color")
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  val information_color = color_value("information_color")
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  val warning_color = color_value("warning_color")
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  val error_color = color_value("error_color")
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  val error1_color = color_value("error1_color")
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  val writeln_message_color = color_value("writeln_message_color")
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  val information_message_color = color_value("information_message_color")
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  val tracing_message_color = color_value("tracing_message_color")
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  val warning_message_color = color_value("warning_message_color")
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  val error_message_color = color_value("error_message_color")
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  val bad_color = color_value("bad_color")
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  val intensify_color = color_value("intensify_color")
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  val quoted_color = color_value("quoted_color")
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  val antiquoted_color = color_value("antiquoted_color")
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  val antiquote_color = color_value("antiquote_color")
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  val highlight_color = color_value("highlight_color")
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  val hyperlink_color = color_value("hyperlink_color")
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  val active_color = color_value("active_color")
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  val active_hover_color = color_value("active_hover_color")
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  val active_result_color = color_value("active_result_color")
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  val keyword1_color = color_value("keyword1_color")
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  val keyword2_color = color_value("keyword2_color")
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  val keyword3_color = color_value("keyword3_color")
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  val tfree_color = color_value("tfree_color")
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  val tvar_color = color_value("tvar_color")
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  val free_color = color_value("free_color")
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  val skolem_color = color_value("skolem_color")
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  val bound_color = color_value("bound_color")
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  val var_color = color_value("var_color")
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  val inner_numeral_color = color_value("inner_numeral_color")
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  val inner_quoted_color = color_value("inner_quoted_color")
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  val inner_cartouche_color = color_value("inner_cartouche_color")
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  val inner_comment_color = color_value("inner_comment_color")
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  val dynamic_color = color_value("dynamic_color")
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  /* completion */
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  def completion_names(range: Text.Range): Option[Completion.Names] =
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    if (snapshot.is_outdated) None
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    else {
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      snapshot.select(range, Rendering.completion_names_elements, _ =>
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        {
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          case Completion.Names.Info(names) => Some(names)
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          case _ => None
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        }).headOption.map(_.info)
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    }
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  def completion_context(range: Text.Range): Option[Completion.Context] =
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    snapshot.select(range, Rendering.completion_context_elements, _ =>
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      {
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        case Text.Info(_, elem)
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        if elem.name == Markup.ML_STRING || elem.name == Markup.ML_COMMENT =>
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          Some(Completion.Context.ML_inner)
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        case Text.Info(_, XML.Elem(Markup.Language(language, symbols, antiquotes), _)) =>
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          Some(Completion.Context(language, symbols, antiquotes))
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        case Text.Info(_, _) =>
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          Some(Completion.Context.inner)
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      }).headOption.map(_.info)
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  /* command status overview */
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  def overview_limit: Int = options.int("jedit_text_overview_limit")
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  def overview_color(range: Text.Range): Option[Color] =
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  {
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    if (snapshot.is_outdated) None
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    else {
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      val results =
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        snapshot.cumulate[(Protocol.Status, Int)](
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          range, (Protocol.Status.init, 0), Protocol.status_elements, _ =>
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          {
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            case ((status, pri), Text.Info(_, elem)) =>
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              if (Protocol.command_status_elements(elem.name))
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                Some((Protocol.command_status(status, elem.markup), pri))
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              else
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                Some((status, pri max Rendering.message_pri(elem.name)))
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          }, status = true)
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      if (results.isEmpty) None
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      else {
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        val (status, pri) =
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          ((Protocol.Status.init, 0) /: results) {
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            case ((s1, p1), Text.Info(_, (s2, p2))) => (s1 + s2, p1 max p2) }
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        if (status.is_running) Some(running_color)
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        else if (pri == Rendering.warning_pri) Some(warning_color)
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        else if (pri == Rendering.error_pri) Some(error_color)
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        else if (status.is_unprocessed) Some(unprocessed_color)
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        else if (status.is_failed) Some(error_color)
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        else None
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      }
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    }
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  }
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   333
wenzelm@55626
   334
  /* highlighted area */
wenzelm@49356
   335
wenzelm@49358
   336
  def highlight(range: Text.Range): Option[Text.Info[Color]] =
wenzelm@55651
   337
    snapshot.select(range, Rendering.highlight_elements, _ =>
wenzelm@55620
   338
      {
wenzelm@55620
   339
        case info => Some(Text.Info(snapshot.convert(info.range), highlight_color))
wenzelm@55689
   340
      }).headOption.map(_.info)
wenzelm@49356
   341
wenzelm@49356
   342
wenzelm@55626
   343
  /* hyperlinks */
wenzelm@55626
   344
wenzelm@55545
   345
  private def hyperlink_file(line: Int, name: String): Option[PIDE.editor.Hyperlink] =
wenzelm@55545
   346
    if (Path.is_ok(name))
wenzelm@55545
   347
      Isabelle_System.source_file(Path.explode(name)).map(path =>
wenzelm@55545
   348
        PIDE.editor.hyperlink_file(Isabelle_System.platform_path(path), line))
wenzelm@55545
   349
    else None
wenzelm@55545
   350
wenzelm@55545
   351
  private def hyperlink_command(id: Document_ID.Generic, offset: Text.Offset)
wenzelm@55545
   352
      : Option[PIDE.editor.Hyperlink] =
wenzelm@55545
   353
    snapshot.state.find_command(snapshot.version, id) match {
wenzelm@55545
   354
      case Some((node, command)) =>
wenzelm@55545
   355
        PIDE.editor.hyperlink_command(snapshot, command, offset)
wenzelm@55545
   356
      case None => None
wenzelm@55545
   357
    }
wenzelm@49356
   358
wenzelm@52980
   359
  def hyperlink(range: Text.Range): Option[Text.Info[PIDE.editor.Hyperlink]] =
wenzelm@49356
   360
  {
wenzelm@55651
   361
    snapshot.cumulate[Vector[Text.Info[PIDE.editor.Hyperlink]]](
wenzelm@55647
   362
      range, Vector.empty, Rendering.hyperlink_elements, _ =>
wenzelm@49356
   363
        {
wenzelm@50201
   364
          case (links, Text.Info(info_range, XML.Elem(Markup.Path(name), _)))
wenzelm@49356
   365
          if Path.is_ok(name) =>
wenzelm@54515
   366
            val jedit_file = PIDE.thy_load.append(snapshot.node_name.master_dir, Path.explode(name))
wenzelm@52980
   367
            val link = PIDE.editor.hyperlink_file(jedit_file)
wenzelm@55622
   368
            Some(links :+ Text.Info(snapshot.convert(info_range), link))
wenzelm@49356
   369
wenzelm@54702
   370
          case (links, Text.Info(info_range, XML.Elem(Markup.Url(name), _))) =>
wenzelm@54702
   371
            val link = PIDE.editor.hyperlink_url(name)
wenzelm@55622
   372
            Some(links :+ Text.Info(snapshot.convert(info_range), link))
wenzelm@54702
   373
wenzelm@50201
   374
          case (links, Text.Info(info_range, XML.Elem(Markup(Markup.ENTITY, props), _)))
wenzelm@49815
   375
          if !props.exists(
wenzelm@50201
   376
            { case (Markup.KIND, Markup.ML_OPEN) => true
wenzelm@50201
   377
              case (Markup.KIND, Markup.ML_STRUCT) => true
wenzelm@49815
   378
              case _ => false }) =>
wenzelm@49356
   379
wenzelm@55545
   380
            val opt_link =
wenzelm@55545
   381
              props match {
wenzelm@55545
   382
                case Position.Def_Line_File(line, name) => hyperlink_file(line, name)
wenzelm@55545
   383
                case Position.Def_Id_Offset(id, offset) => hyperlink_command(id, offset)
wenzelm@55545
   384
                case _ => None
wenzelm@55545
   385
              }
wenzelm@55622
   386
            opt_link.map(link => (links :+ Text.Info(snapshot.convert(info_range), link)))
wenzelm@49356
   387
wenzelm@55545
   388
          case (links, Text.Info(info_range, XML.Elem(Markup(Markup.POSITION, props), _))) =>
wenzelm@55545
   389
            val opt_link =
wenzelm@55545
   390
              props match {
wenzelm@55545
   391
                case Position.Line_File(line, name) => hyperlink_file(line, name)
wenzelm@55545
   392
                case Position.Id_Offset(id, offset) => hyperlink_command(id, offset)
wenzelm@55545
   393
                case _ => None
wenzelm@55545
   394
              }
wenzelm@55622
   395
            opt_link.map(link => links :+ (Text.Info(snapshot.convert(info_range), link)))
wenzelm@52889
   396
wenzelm@52889
   397
          case _ => None
wenzelm@55622
   398
        }) match { case Text.Info(_, _ :+ info) :: _ => Some(info) case _ => None }
wenzelm@49356
   399
  }
wenzelm@49356
   400
wenzelm@49356
   401
wenzelm@55626
   402
  /* active elements */
wenzelm@55626
   403
wenzelm@50450
   404
  def active(range: Text.Range): Option[Text.Info[XML.Elem]] =
wenzelm@55651
   405
    snapshot.select(range, Rendering.active_elements, command_state =>
wenzelm@55620
   406
      {
wenzelm@55620
   407
        case Text.Info(info_range, elem) =>
wenzelm@55623
   408
          if (elem.name == Markup.DIALOG) {
wenzelm@55623
   409
            elem match {
wenzelm@55623
   410
              case Protocol.Dialog(_, serial, _)
wenzelm@55623
   411
              if !command_state.results.defined(serial) =>
wenzelm@55623
   412
                Some(Text.Info(snapshot.convert(info_range), elem))
wenzelm@55623
   413
              case _ => None
wenzelm@55623
   414
            }
wenzelm@55623
   415
          }
wenzelm@55623
   416
          else Some(Text.Info(snapshot.convert(info_range), elem))
wenzelm@55689
   417
      }).headOption.map(_.info)
wenzelm@49492
   418
wenzelm@50502
   419
  def command_results(range: Text.Range): Command.Results =
wenzelm@50502
   420
  {
wenzelm@50502
   421
    val results =
wenzelm@55651
   422
      snapshot.select[Command.Results](range, _ => true, command_state =>
wenzelm@52889
   423
        { case _ => Some(command_state.results) }).map(_.info)
wenzelm@50507
   424
    (Command.Results.empty /: results)(_ ++ _)
wenzelm@50502
   425
  }
wenzelm@50502
   426
wenzelm@55626
   427
wenzelm@55626
   428
  /* tooltip messages */
wenzelm@55626
   429
wenzelm@51496
   430
  def tooltip_message(range: Text.Range): Option[Text.Info[XML.Body]] =
wenzelm@49356
   431
  {
wenzelm@51496
   432
    val results =
wenzelm@55651
   433
      snapshot.cumulate[List[Text.Info[Command.Results.Entry]]](
wenzelm@55647
   434
        range, Nil, Rendering.tooltip_message_elements, _ =>
wenzelm@51496
   435
        {
wenzelm@51496
   436
          case (msgs, Text.Info(info_range,
wenzelm@51496
   437
            XML.Elem(Markup(name, props @ Markup.Serial(serial)), body)))
wenzelm@51496
   438
          if name == Markup.WRITELN || name == Markup.WARNING || name == Markup.ERROR =>
wenzelm@51496
   439
            val entry: Command.Results.Entry =
wenzelm@51496
   440
              (serial -> XML.Elem(Markup(Markup.message(name), props), body))
wenzelm@52889
   441
            Some(Text.Info(snapshot.convert(info_range), entry) :: msgs)
wenzelm@51496
   442
wenzelm@51496
   443
          case (msgs, Text.Info(info_range, msg @ XML.Elem(Markup(Markup.BAD, _), body)))
wenzelm@51496
   444
          if !body.isEmpty =>
wenzelm@52530
   445
            val entry: Command.Results.Entry = (Document_ID.make(), msg)
wenzelm@52889
   446
            Some(Text.Info(snapshot.convert(info_range), entry) :: msgs)
wenzelm@52889
   447
wenzelm@52889
   448
          case _ => None
wenzelm@52900
   449
        }).flatMap(_.info)
wenzelm@51496
   450
    if (results.isEmpty) None
wenzelm@51496
   451
    else {
wenzelm@51496
   452
      val r = Text.Range(results.head.range.start, results.last.range.stop)
wenzelm@51496
   453
      val msgs = Command.Results.make(results.map(_.info))
wenzelm@51496
   454
      Some(Text.Info(r, Pretty.separate(msgs.entries.map(_._2).toList)))
wenzelm@51496
   455
    }
wenzelm@49356
   456
  }
wenzelm@49356
   457
wenzelm@49356
   458
wenzelm@55626
   459
  /* tooltips */
wenzelm@55626
   460
wenzelm@49700
   461
  private def pretty_typing(kind: String, body: XML.Body): XML.Tree =
wenzelm@49700
   462
    Pretty.block(XML.Text(kind) :: Pretty.Break(1) :: body)
wenzelm@49356
   463
wenzelm@55647
   464
  private def timing_threshold: Double = options.real("jedit_timing_threshold")
wenzelm@51588
   465
wenzelm@51496
   466
  def tooltip(range: Text.Range): Option[Text.Info[XML.Body]] =
wenzelm@49356
   467
  {
wenzelm@55622
   468
    def add(prev: Text.Info[(Timing, Vector[(Boolean, XML.Tree)])],
wenzelm@55622
   469
      r0: Text.Range, p: (Boolean, XML.Tree)): Text.Info[(Timing, Vector[(Boolean, XML.Tree)])] =
wenzelm@51496
   470
    {
wenzelm@51496
   471
      val r = snapshot.convert(r0)
wenzelm@51588
   472
      val (t, info) = prev.info
wenzelm@55622
   473
      if (prev.range == r)
wenzelm@55622
   474
        Text.Info(r, (t, info :+ p))
wenzelm@55622
   475
      else Text.Info(r, (t, Vector(p)))
wenzelm@51496
   476
    }
wenzelm@49356
   477
wenzelm@51496
   478
    val results =
wenzelm@55651
   479
      snapshot.cumulate[Text.Info[(Timing, Vector[(Boolean, XML.Tree)])]](
wenzelm@55647
   480
        range, Text.Info(range, (Timing.zero, Vector.empty)), Rendering.tooltip_elements, _ =>
wenzelm@49356
   481
        {
wenzelm@51588
   482
          case (Text.Info(r, (t1, info)), Text.Info(_, XML.Elem(Markup.Timing(t2), _))) =>
wenzelm@52889
   483
            Some(Text.Info(r, (t1 + t2, info)))
wenzelm@50201
   484
          case (prev, Text.Info(r, XML.Elem(Markup.Entity(kind, name), _))) =>
wenzelm@49356
   485
            val kind1 = space_explode('_', kind).mkString(" ")
wenzelm@51588
   486
            val txt1 = kind1 + " " + quote(name)
wenzelm@51588
   487
            val t = prev.info._1
wenzelm@51588
   488
            val txt2 =
wenzelm@51588
   489
              if (kind == Markup.COMMAND && t.elapsed.seconds >= timing_threshold)
wenzelm@51588
   490
                "\n" + t.message
wenzelm@51588
   491
              else ""
wenzelm@52889
   492
            Some(add(prev, r, (true, XML.Text(txt1 + txt2))))
wenzelm@50201
   493
          case (prev, Text.Info(r, XML.Elem(Markup.Path(name), _)))
wenzelm@49356
   494
          if Path.is_ok(name) =>
wenzelm@54515
   495
            val jedit_file = PIDE.thy_load.append(snapshot.node_name.master_dir, Path.explode(name))
wenzelm@52889
   496
            Some(add(prev, r, (true, XML.Text("file " + quote(jedit_file)))))
wenzelm@54702
   497
          case (prev, Text.Info(r, XML.Elem(Markup.Url(name), _))) =>
wenzelm@54702
   498
            Some(add(prev, r, (true, XML.Text("URL " + quote(name)))))
wenzelm@49674
   499
          case (prev, Text.Info(r, XML.Elem(Markup(name, _), body)))
wenzelm@50201
   500
          if name == Markup.SORTING || name == Markup.TYPING =>
wenzelm@52889
   501
            Some(add(prev, r, (true, pretty_typing("::", body))))
wenzelm@50201
   502
          case (prev, Text.Info(r, XML.Elem(Markup(Markup.ML_TYPING, _), body))) =>
wenzelm@52889
   503
            Some(add(prev, r, (false, pretty_typing("ML:", body))))
wenzelm@55666
   504
          case (prev, Text.Info(r, XML.Elem(Markup.Language(language, _, _), _))) =>
wenzelm@55615
   505
            Some(add(prev, r, (true, XML.Text("language: " + language))))
wenzelm@52889
   506
          case (prev, Text.Info(r, XML.Elem(Markup(name, _), _))) =>
wenzelm@55647
   507
            Rendering.tooltip_descriptions.get(name).
wenzelm@55647
   508
              map(descr => add(prev, r, (true, XML.Text(descr))))
wenzelm@52900
   509
        }).map(_.info)
wenzelm@49356
   510
wenzelm@55622
   511
    results.map(_.info).flatMap(res => res._2.toList) match {
wenzelm@51496
   512
      case Nil => None
wenzelm@51496
   513
      case tips =>
wenzelm@51496
   514
        val r = Text.Range(results.head.range.start, results.last.range.stop)
wenzelm@51496
   515
        val all_tips = (tips.filter(_._1) ++ tips.filter(!_._1).lastOption.toList).map(_._2)
wenzelm@51496
   516
        Some(Text.Info(r, Library.separate(Pretty.FBreak, all_tips)))
wenzelm@51496
   517
    }
wenzelm@49356
   518
  }
wenzelm@49356
   519
wenzelm@55647
   520
  def tooltip_margin: Int = options.int("jedit_tooltip_margin")
wenzelm@50554
   521
wenzelm@52873
   522
  lazy val tooltip_close_icon = JEdit_Lib.load_icon(options.string("tooltip_close_icon"))
wenzelm@52873
   523
  lazy val tooltip_detach_icon = JEdit_Lib.load_icon(options.string("tooltip_detach_icon"))
wenzelm@52472
   524
wenzelm@52472
   525
wenzelm@55626
   526
  /* gutter icons */
wenzelm@55626
   527
wenzelm@52472
   528
  private lazy val gutter_icons = Map(
wenzelm@52873
   529
    Rendering.information_pri -> JEdit_Lib.load_icon(options.string("gutter_information_icon")),
wenzelm@52873
   530
    Rendering.warning_pri -> JEdit_Lib.load_icon(options.string("gutter_warning_icon")),
wenzelm@52873
   531
    Rendering.legacy_pri -> JEdit_Lib.load_icon(options.string("gutter_legacy_icon")),
wenzelm@52873
   532
    Rendering.error_pri -> JEdit_Lib.load_icon(options.string("gutter_error_icon")))
wenzelm@49356
   533
wenzelm@49356
   534
  def gutter_message(range: Text.Range): Option[Icon] =
wenzelm@49356
   535
  {
wenzelm@49356
   536
    val results =
wenzelm@55651
   537
      snapshot.cumulate[Int](range, 0, Rendering.gutter_elements, _ =>
wenzelm@49356
   538
        {
wenzelm@52644
   539
          case (pri, Text.Info(_, XML.Elem(Markup(Markup.WRITELN, _),
wenzelm@52644
   540
              List(XML.Elem(Markup(Markup.INFORMATION, _), _))))) =>
wenzelm@52889
   541
            Some(pri max Rendering.information_pri)
wenzelm@50201
   542
          case (pri, Text.Info(_, XML.Elem(Markup(Markup.WARNING, _), body))) =>
wenzelm@49356
   543
            body match {
wenzelm@50201
   544
              case List(XML.Elem(Markup(Markup.LEGACY, _), _)) =>
wenzelm@52889
   545
                Some(pri max Rendering.legacy_pri)
wenzelm@52889
   546
              case _ =>
wenzelm@52889
   547
                Some(pri max Rendering.warning_pri)
wenzelm@49356
   548
            }
wenzelm@50201
   549
          case (pri, Text.Info(_, XML.Elem(Markup(Markup.ERROR, _), _))) =>
wenzelm@52889
   550
            Some(pri max Rendering.error_pri)
wenzelm@52889
   551
          case _ => None
wenzelm@49356
   552
        })
wenzelm@49356
   553
    val pri = (0 /: results) { case (p1, Text.Info(_, p2)) => p1 max p2 }
wenzelm@52472
   554
    gutter_icons.get(pri)
wenzelm@49356
   555
  }
wenzelm@49356
   556
wenzelm@49356
   557
wenzelm@55626
   558
  /* squiggly underline */
wenzelm@55626
   559
wenzelm@55647
   560
  private lazy val squiggly_colors = Map(
wenzelm@50199
   561
    Rendering.writeln_pri -> writeln_color,
wenzelm@52650
   562
    Rendering.information_pri -> information_color,
wenzelm@50199
   563
    Rendering.warning_pri -> warning_color,
wenzelm@50199
   564
    Rendering.error_pri -> error_color)
wenzelm@49356
   565
wenzelm@52900
   566
  def squiggly_underline(range: Text.Range): List[Text.Info[Color]] =
wenzelm@49356
   567
  {
wenzelm@49356
   568
    val results =
wenzelm@55651
   569
      snapshot.cumulate[Int](range, 0, Rendering.squiggly_elements, _ =>
wenzelm@49356
   570
        {
wenzelm@52890
   571
          case (pri, Text.Info(_, elem)) =>
wenzelm@52890
   572
            if (Protocol.is_information(elem))
wenzelm@52889
   573
              Some(pri max Rendering.information_pri)
wenzelm@55620
   574
            else
wenzelm@52890
   575
              Some(pri max Rendering.message_pri(elem.name))
wenzelm@49356
   576
        })
wenzelm@49356
   577
    for {
wenzelm@49356
   578
      Text.Info(r, pri) <- results
wenzelm@49356
   579
      color <- squiggly_colors.get(pri)
wenzelm@49356
   580
    } yield Text.Info(r, color)
wenzelm@49356
   581
  }
wenzelm@49356
   582
wenzelm@49474
   583
wenzelm@55626
   584
  /* message output */
wenzelm@55626
   585
wenzelm@55647
   586
  private lazy val message_colors = Map(
wenzelm@50199
   587
    Rendering.writeln_pri -> writeln_message_color,
wenzelm@52650
   588
    Rendering.information_pri -> information_message_color,
wenzelm@50199
   589
    Rendering.tracing_pri -> tracing_message_color,
wenzelm@50199
   590
    Rendering.warning_pri -> warning_message_color,
wenzelm@50199
   591
    Rendering.error_pri -> error_message_color)
wenzelm@49474
   592
wenzelm@49473
   593
  def line_background(range: Text.Range): Option[(Color, Boolean)] =
wenzelm@49473
   594
  {
wenzelm@49474
   595
    val results =
wenzelm@55651
   596
      snapshot.cumulate[Int](range, 0, Rendering.line_background_elements, _ =>
wenzelm@49473
   597
        {
wenzelm@52890
   598
          case (pri, Text.Info(_, elem)) =>
wenzelm@55623
   599
            if (elem.name == Markup.INFORMATION)
wenzelm@52890
   600
              Some(pri max Rendering.information_pri)
wenzelm@55623
   601
            else
wenzelm@55623
   602
              Some(pri max Rendering.message_pri(elem.name))
wenzelm@49474
   603
        })
wenzelm@49474
   604
    val pri = (0 /: results) { case (p1, Text.Info(_, p2)) => p1 max p2 }
wenzelm@49474
   605
wenzelm@55623
   606
    val is_separator =
wenzelm@55623
   607
      pri > 0 &&
wenzelm@55651
   608
      snapshot.cumulate[Boolean](range, false, Rendering.separator_elements, _ =>
wenzelm@49473
   609
        {
wenzelm@55623
   610
          case _ => Some(true)
wenzelm@49473
   611
        }).exists(_.info)
wenzelm@49473
   612
wenzelm@49474
   613
    message_colors.get(pri).map((_, is_separator))
wenzelm@49473
   614
  }
wenzelm@49356
   615
wenzelm@50500
   616
  def output_messages(st: Command.State): List[XML.Tree] =
wenzelm@50507
   617
    st.results.entries.map(_._2).filterNot(Protocol.is_result(_)).toList
wenzelm@50500
   618
wenzelm@50500
   619
wenzelm@55626
   620
  /* text background */
wenzelm@55626
   621
wenzelm@52900
   622
  def background1(range: Text.Range): List[Text.Info[Color]] =
wenzelm@49356
   623
  {
wenzelm@52900
   624
    if (snapshot.is_outdated) List(Text.Info(range, outdated_color))
wenzelm@49356
   625
    else
wenzelm@49356
   626
      for {
wenzelm@49356
   627
        Text.Info(r, result) <-
wenzelm@55651
   628
          snapshot.cumulate[(Option[Protocol.Status], Option[Color])](
wenzelm@55647
   629
            range, (Some(Protocol.Status.init), None), Rendering.background1_elements,
wenzelm@55647
   630
            command_state =>
wenzelm@55647
   631
              {
wenzelm@55647
   632
                case (((Some(status), color), Text.Info(_, XML.Elem(markup, _))))
wenzelm@55647
   633
                if (Protocol.command_status_elements(markup.name)) =>
wenzelm@55647
   634
                  Some((Some(Protocol.command_status(status, markup)), color))
wenzelm@55647
   635
                case (_, Text.Info(_, XML.Elem(Markup(Markup.BAD, _), _))) =>
wenzelm@55647
   636
                  Some((None, Some(bad_color)))
wenzelm@55647
   637
                case (_, Text.Info(_, XML.Elem(Markup(Markup.INTENSIFY, _), _))) =>
wenzelm@55647
   638
                  Some((None, Some(intensify_color)))
wenzelm@55647
   639
                case (acc, Text.Info(_, Protocol.Dialog(_, serial, result))) =>
wenzelm@55647
   640
                  command_state.results.get(serial) match {
wenzelm@55647
   641
                    case Some(Protocol.Dialog_Result(res)) if res == result =>
wenzelm@55647
   642
                      Some((None, Some(active_result_color)))
wenzelm@55647
   643
                    case _ =>
wenzelm@55647
   644
                      Some((None, Some(active_color)))
wenzelm@55647
   645
                  }
wenzelm@55647
   646
                case (_, Text.Info(_, elem)) =>
wenzelm@55647
   647
                  if (Rendering.active_elements(elem.name)) Some((None, Some(active_color)))
wenzelm@55647
   648
                  else None
wenzelm@55647
   649
              })
wenzelm@49356
   650
        color <-
wenzelm@49356
   651
          (result match {
wenzelm@50500
   652
            case (Some(status), opt_color) =>
wenzelm@49356
   653
              if (status.is_unprocessed) Some(unprocessed1_color)
wenzelm@49356
   654
              else if (status.is_running) Some(running1_color)
wenzelm@49356
   655
              else opt_color
wenzelm@50500
   656
            case (_, opt_color) => opt_color
wenzelm@49356
   657
          })
wenzelm@49356
   658
      } yield Text.Info(r, color)
wenzelm@49356
   659
  }
wenzelm@49356
   660
wenzelm@52900
   661
  def background2(range: Text.Range): List[Text.Info[Color]] =
wenzelm@55651
   662
    snapshot.select(range, Rendering.background2_elements, _ => _ => Some(light_color))
wenzelm@49356
   663
wenzelm@49356
   664
wenzelm@55626
   665
  /* text foreground */
wenzelm@51574
   666
wenzelm@52900
   667
  def foreground(range: Text.Range): List[Text.Info[Color]] =
wenzelm@55651
   668
    snapshot.select(range, Rendering.foreground_elements, _ =>
wenzelm@49356
   669
      {
wenzelm@52890
   670
        case Text.Info(_, elem) =>
wenzelm@55620
   671
          if (elem.name == Markup.ANTIQUOTED) Some(antiquoted_color) else Some(quoted_color)
wenzelm@49356
   672
      })
wenzelm@49356
   673
wenzelm@49356
   674
wenzelm@55626
   675
  /* text color */
wenzelm@55626
   676
wenzelm@55647
   677
  private lazy val text_colors: Map[String, Color] = Map(
wenzelm@50201
   678
      Markup.KEYWORD1 -> keyword1_color,
wenzelm@50201
   679
      Markup.KEYWORD2 -> keyword2_color,
wenzelm@50201
   680
      Markup.STRING -> Color.BLACK,
wenzelm@50201
   681
      Markup.ALTSTRING -> Color.BLACK,
wenzelm@50201
   682
      Markup.VERBATIM -> Color.BLACK,
wenzelm@55514
   683
      Markup.CARTOUCHE -> Color.BLACK,
wenzelm@50201
   684
      Markup.LITERAL -> keyword1_color,
wenzelm@50201
   685
      Markup.DELIMITER -> Color.BLACK,
wenzelm@50201
   686
      Markup.TFREE -> tfree_color,
wenzelm@50201
   687
      Markup.TVAR -> tvar_color,
wenzelm@50201
   688
      Markup.FREE -> free_color,
wenzelm@50201
   689
      Markup.SKOLEM -> skolem_color,
wenzelm@50201
   690
      Markup.BOUND -> bound_color,
wenzelm@50201
   691
      Markup.VAR -> var_color,
wenzelm@50201
   692
      Markup.INNER_STRING -> inner_quoted_color,
wenzelm@55033
   693
      Markup.INNER_CARTOUCHE -> inner_cartouche_color,
wenzelm@50201
   694
      Markup.INNER_COMMENT -> inner_comment_color,
wenzelm@50201
   695
      Markup.DYNAMIC_FACT -> dynamic_color,
wenzelm@55526
   696
      Markup.ANTIQUOTE -> antiquote_color,
wenzelm@55505
   697
      Markup.ML_KEYWORD1 -> keyword1_color,
wenzelm@55505
   698
      Markup.ML_KEYWORD2 -> keyword2_color,
wenzelm@55505
   699
      Markup.ML_KEYWORD3 -> keyword3_color,
wenzelm@50201
   700
      Markup.ML_DELIMITER -> Color.BLACK,
wenzelm@50201
   701
      Markup.ML_NUMERAL -> inner_numeral_color,
wenzelm@50201
   702
      Markup.ML_CHAR -> inner_quoted_color,
wenzelm@50201
   703
      Markup.ML_STRING -> inner_quoted_color,
wenzelm@52101
   704
      Markup.ML_COMMENT -> inner_comment_color)
wenzelm@49356
   705
wenzelm@55647
   706
  private lazy val text_color_elements = text_colors.keySet
wenzelm@49356
   707
wenzelm@52900
   708
  def text_color(range: Text.Range, color: Color): List[Text.Info[Color]] =
wenzelm@49356
   709
  {
wenzelm@52900
   710
    if (color == Token_Markup.hidden_color) List(Text.Info(range, color))
wenzelm@50196
   711
    else
wenzelm@55651
   712
      snapshot.cumulate(range, color, text_color_elements, _ =>
wenzelm@50196
   713
        {
wenzelm@52890
   714
          case (_, Text.Info(_, elem)) => text_colors.get(elem.name)
wenzelm@50196
   715
        })
wenzelm@49356
   716
  }
wenzelm@50542
   717
wenzelm@50542
   718
wenzelm@55626
   719
  /* virtual bullets */
wenzelm@55626
   720
wenzelm@55626
   721
  def bullet(range: Text.Range): List[Text.Info[Color]] =
wenzelm@55651
   722
    snapshot.select(range, Rendering.bullet_elements, _ => _ => Some(bullet_color))
wenzelm@55626
   723
wenzelm@55626
   724
wenzelm@55626
   725
  /* text folds */
wenzelm@50542
   726
wenzelm@52900
   727
  def fold_depth(range: Text.Range): List[Text.Info[Int]] =
wenzelm@55651
   728
    snapshot.cumulate[Int](range, 0, Rendering.fold_depth_elements, _ =>
wenzelm@50542
   729
      {
wenzelm@55620
   730
        case (depth, _) => Some(depth + 1)
wenzelm@50542
   731
      })
wenzelm@49356
   732
}