src/Tools/jEdit/src/rendering.scala
author wenzelm
Sun Feb 16 16:48:30 2014 +0100 (2014-02-16)
changeset 55514 8ef781e282d9
parent 55512 75c68e05f9ea
child 55526 39708e59f4b0
permissions -rw-r--r--
more uniform rendering of text that is formally interpreted: avoid clash with inner markup;
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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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}
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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 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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  /* command overview */
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  val overview_limit = options.int("jedit_text_overview_limit")
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  private val overview_include = Protocol.command_status_markup + Markup.WARNING + Markup.ERROR
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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_markup[(Protocol.Status, Int)](
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          range, (Protocol.Status.init, 0), Some(overview_include), _ =>
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          {
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            case ((status, pri), Text.Info(_, elem)) =>
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              if (elem.name == Markup.WARNING || elem.name == Markup.ERROR)
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                Some((status, pri max Rendering.message_pri(elem.name)))
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              else if (overview_include(elem.name))
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                Some((Protocol.command_status(status, elem.markup), pri))
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              else None
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          })
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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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  /* markup selectors */
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  private val highlight_include =
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    Set(Markup.SORT, Markup.TYP, Markup.TERM, Markup.PROP, Markup.ML_TYPING, Markup.TOKEN_RANGE,
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      Markup.ENTITY, Markup.PATH, Markup.URL, Markup.SORTING, Markup.TYPING, Markup.FREE,
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      Markup.SKOLEM, Markup.BOUND, Markup.VAR, Markup.TFREE, Markup.TVAR, Markup.ML_SOURCE,
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      Markup.DOCUMENT_SOURCE)
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  def highlight(range: Text.Range): Option[Text.Info[Color]] =
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  {
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    snapshot.select_markup(range, Some(highlight_include), _ =>
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        {
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          case Text.Info(info_range, elem) =>
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            if (highlight_include(elem.name))
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              Some(Text.Info(snapshot.convert(info_range), highlight_color))
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            else None
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        }) match { case Text.Info(_, info) :: _ => Some(info) case _ => None }
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  }
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  private val hyperlink_include = Set(Markup.ENTITY, Markup.PATH, Markup.URL)
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  def hyperlink(range: Text.Range): Option[Text.Info[PIDE.editor.Hyperlink]] =
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  {
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    snapshot.cumulate_markup[List[Text.Info[PIDE.editor.Hyperlink]]](
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      range, Nil, Some(hyperlink_include), _ =>
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        {
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          case (links, Text.Info(info_range, XML.Elem(Markup.Path(name), _)))
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          if Path.is_ok(name) =>
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            val jedit_file = PIDE.thy_load.append(snapshot.node_name.master_dir, Path.explode(name))
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            val link = PIDE.editor.hyperlink_file(jedit_file)
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            Some(Text.Info(snapshot.convert(info_range), link) :: links)
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          case (links, Text.Info(info_range, XML.Elem(Markup.Url(name), _))) =>
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            val link = PIDE.editor.hyperlink_url(name)
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            Some(Text.Info(snapshot.convert(info_range), link) :: links)
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          case (links, Text.Info(info_range, XML.Elem(Markup(Markup.ENTITY, props), _)))
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          if !props.exists(
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            { case (Markup.KIND, Markup.ML_OPEN) => true
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              case (Markup.KIND, Markup.ML_STRUCT) => true
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              case _ => false }) =>
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            props match {
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              case Position.Def_Line_File(line, name) if Path.is_ok(name) =>
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                Isabelle_System.source_file(Path.explode(name)) match {
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                  case Some(path) =>
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                    val jedit_file = Isabelle_System.platform_path(path)
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                    val link = PIDE.editor.hyperlink_file(jedit_file, line)
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                    Some(Text.Info(snapshot.convert(info_range), link) :: links)
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                  case None => None
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                }
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              case Position.Def_Id_Offset(id, offset) =>
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                snapshot.state.find_command(snapshot.version, id) match {
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                  case Some((node, command)) =>
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                    PIDE.editor.hyperlink_command(snapshot, command, offset)
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                      .map(link => (Text.Info(snapshot.convert(info_range), link) :: links))
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                  case None => None
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                }
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              case _ => None
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            }
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          case _ => None
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        }) match { case Text.Info(_, info :: _) :: _ => Some(info) case _ => None }
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  }
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  private val active_include =
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    Set(Markup.BROWSER, Markup.GRAPHVIEW, Markup.SENDBACK, Markup.DIALOG, Markup.SIMP_TRACE)
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  def active(range: Text.Range): Option[Text.Info[XML.Elem]] =
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    snapshot.select_markup(range, Some(active_include), command_state =>
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        {
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          case Text.Info(info_range, elem @ Protocol.Dialog(_, serial, _))
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          if !command_state.results.defined(serial) =>
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            Some(Text.Info(snapshot.convert(info_range), elem))
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          case Text.Info(info_range, elem) =>
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            if (elem.name == Markup.BROWSER ||
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                elem.name == Markup.GRAPHVIEW ||
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                elem.name == Markup.SENDBACK ||
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                elem.name == Markup.SIMP_TRACE)
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              Some(Text.Info(snapshot.convert(info_range), elem))
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            else None
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        }) match { case Text.Info(_, info) :: _ => Some(info) case _ => None }
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wenzelm@49492
   327
wenzelm@50502
   328
  def command_results(range: Text.Range): Command.Results =
wenzelm@50502
   329
  {
wenzelm@50502
   330
    val results =
wenzelm@50502
   331
      snapshot.select_markup[Command.Results](range, None, command_state =>
wenzelm@52889
   332
        { case _ => Some(command_state.results) }).map(_.info)
wenzelm@50507
   333
    (Command.Results.empty /: results)(_ ++ _)
wenzelm@50502
   334
  }
wenzelm@50502
   335
wenzelm@51496
   336
  def tooltip_message(range: Text.Range): Option[Text.Info[XML.Body]] =
wenzelm@49356
   337
  {
wenzelm@51496
   338
    val results =
wenzelm@51496
   339
      snapshot.cumulate_markup[List[Text.Info[Command.Results.Entry]]](range, Nil,
wenzelm@51496
   340
        Some(Set(Markup.WRITELN, Markup.WARNING, Markup.ERROR, Markup.BAD)), _ =>
wenzelm@51496
   341
        {
wenzelm@51496
   342
          case (msgs, Text.Info(info_range,
wenzelm@51496
   343
            XML.Elem(Markup(name, props @ Markup.Serial(serial)), body)))
wenzelm@51496
   344
          if name == Markup.WRITELN || name == Markup.WARNING || name == Markup.ERROR =>
wenzelm@51496
   345
            val entry: Command.Results.Entry =
wenzelm@51496
   346
              (serial -> XML.Elem(Markup(Markup.message(name), props), body))
wenzelm@52889
   347
            Some(Text.Info(snapshot.convert(info_range), entry) :: msgs)
wenzelm@51496
   348
wenzelm@51496
   349
          case (msgs, Text.Info(info_range, msg @ XML.Elem(Markup(Markup.BAD, _), body)))
wenzelm@51496
   350
          if !body.isEmpty =>
wenzelm@52530
   351
            val entry: Command.Results.Entry = (Document_ID.make(), msg)
wenzelm@52889
   352
            Some(Text.Info(snapshot.convert(info_range), entry) :: msgs)
wenzelm@52889
   353
wenzelm@52889
   354
          case _ => None
wenzelm@52900
   355
        }).flatMap(_.info)
wenzelm@51496
   356
    if (results.isEmpty) None
wenzelm@51496
   357
    else {
wenzelm@51496
   358
      val r = Text.Range(results.head.range.start, results.last.range.stop)
wenzelm@51496
   359
      val msgs = Command.Results.make(results.map(_.info))
wenzelm@51496
   360
      Some(Text.Info(r, Pretty.separate(msgs.entries.map(_._2).toList)))
wenzelm@51496
   361
    }
wenzelm@49356
   362
  }
wenzelm@49356
   363
wenzelm@49356
   364
wenzelm@49356
   365
  private val tooltips: Map[String, String] =
wenzelm@49356
   366
    Map(
wenzelm@50201
   367
      Markup.SORT -> "sort",
wenzelm@50201
   368
      Markup.TYP -> "type",
wenzelm@50201
   369
      Markup.TERM -> "term",
wenzelm@50201
   370
      Markup.PROP -> "proposition",
wenzelm@50201
   371
      Markup.TOKEN_RANGE -> "inner syntax token",
wenzelm@50201
   372
      Markup.FREE -> "free variable",
wenzelm@50201
   373
      Markup.SKOLEM -> "skolem variable",
wenzelm@50201
   374
      Markup.BOUND -> "bound variable",
wenzelm@50201
   375
      Markup.VAR -> "schematic variable",
wenzelm@50201
   376
      Markup.TFREE -> "free type variable",
wenzelm@50201
   377
      Markup.TVAR -> "schematic type variable",
wenzelm@50201
   378
      Markup.ML_SOURCE -> "ML source",
wenzelm@50201
   379
      Markup.DOCUMENT_SOURCE -> "document source")
wenzelm@49356
   380
wenzelm@49356
   381
  private val tooltip_elements =
wenzelm@51588
   382
    Set(Markup.TIMING, Markup.ENTITY, Markup.SORTING, Markup.TYPING,
wenzelm@54702
   383
      Markup.ML_TYPING, Markup.PATH, Markup.URL) ++ tooltips.keys
wenzelm@49356
   384
wenzelm@49700
   385
  private def pretty_typing(kind: String, body: XML.Body): XML.Tree =
wenzelm@49700
   386
    Pretty.block(XML.Text(kind) :: Pretty.Break(1) :: body)
wenzelm@49356
   387
wenzelm@51588
   388
  private val timing_threshold: Double = options.real("jedit_timing_threshold")
wenzelm@51588
   389
wenzelm@51496
   390
  def tooltip(range: Text.Range): Option[Text.Info[XML.Body]] =
wenzelm@49356
   391
  {
wenzelm@51588
   392
    def add(prev: Text.Info[(Timing, List[(Boolean, XML.Tree)])],
wenzelm@51588
   393
      r0: Text.Range, p: (Boolean, XML.Tree)): Text.Info[(Timing, List[(Boolean, XML.Tree)])] =
wenzelm@51496
   394
    {
wenzelm@51496
   395
      val r = snapshot.convert(r0)
wenzelm@51588
   396
      val (t, info) = prev.info
wenzelm@51588
   397
      if (prev.range == r) Text.Info(r, (t, p :: info)) else Text.Info(r, (t, List(p)))
wenzelm@51496
   398
    }
wenzelm@49356
   399
wenzelm@51496
   400
    val results =
wenzelm@51588
   401
      snapshot.cumulate_markup[Text.Info[(Timing, List[(Boolean, XML.Tree)])]](
wenzelm@51588
   402
        range, Text.Info(range, (Timing.zero, Nil)), Some(tooltip_elements), _ =>
wenzelm@49356
   403
        {
wenzelm@51588
   404
          case (Text.Info(r, (t1, info)), Text.Info(_, XML.Elem(Markup.Timing(t2), _))) =>
wenzelm@52889
   405
            Some(Text.Info(r, (t1 + t2, info)))
wenzelm@50201
   406
          case (prev, Text.Info(r, XML.Elem(Markup.Entity(kind, name), _))) =>
wenzelm@49356
   407
            val kind1 = space_explode('_', kind).mkString(" ")
wenzelm@51588
   408
            val txt1 = kind1 + " " + quote(name)
wenzelm@51588
   409
            val t = prev.info._1
wenzelm@51588
   410
            val txt2 =
wenzelm@51588
   411
              if (kind == Markup.COMMAND && t.elapsed.seconds >= timing_threshold)
wenzelm@51588
   412
                "\n" + t.message
wenzelm@51588
   413
              else ""
wenzelm@52889
   414
            Some(add(prev, r, (true, XML.Text(txt1 + txt2))))
wenzelm@50201
   415
          case (prev, Text.Info(r, XML.Elem(Markup.Path(name), _)))
wenzelm@49356
   416
          if Path.is_ok(name) =>
wenzelm@54515
   417
            val jedit_file = PIDE.thy_load.append(snapshot.node_name.master_dir, Path.explode(name))
wenzelm@52889
   418
            Some(add(prev, r, (true, XML.Text("file " + quote(jedit_file)))))
wenzelm@54702
   419
          case (prev, Text.Info(r, XML.Elem(Markup.Url(name), _))) =>
wenzelm@54702
   420
            Some(add(prev, r, (true, XML.Text("URL " + quote(name)))))
wenzelm@49674
   421
          case (prev, Text.Info(r, XML.Elem(Markup(name, _), body)))
wenzelm@50201
   422
          if name == Markup.SORTING || name == Markup.TYPING =>
wenzelm@52889
   423
            Some(add(prev, r, (true, pretty_typing("::", body))))
wenzelm@50201
   424
          case (prev, Text.Info(r, XML.Elem(Markup(Markup.ML_TYPING, _), body))) =>
wenzelm@52889
   425
            Some(add(prev, r, (false, pretty_typing("ML:", body))))
wenzelm@52889
   426
          case (prev, Text.Info(r, XML.Elem(Markup(name, _), _))) =>
wenzelm@52889
   427
            if (tooltips.isDefinedAt(name))
wenzelm@52889
   428
              Some(add(prev, r, (true, XML.Text(tooltips(name)))))
wenzelm@52889
   429
            else None
wenzelm@52900
   430
        }).map(_.info)
wenzelm@49356
   431
wenzelm@51588
   432
    results.map(_.info).flatMap(_._2) match {
wenzelm@51496
   433
      case Nil => None
wenzelm@51496
   434
      case tips =>
wenzelm@51496
   435
        val r = Text.Range(results.head.range.start, results.last.range.stop)
wenzelm@51496
   436
        val all_tips = (tips.filter(_._1) ++ tips.filter(!_._1).lastOption.toList).map(_._2)
wenzelm@51496
   437
        Some(Text.Info(r, Library.separate(Pretty.FBreak, all_tips)))
wenzelm@51496
   438
    }
wenzelm@49356
   439
  }
wenzelm@49356
   440
wenzelm@50554
   441
  val tooltip_margin: Int = options.int("jedit_tooltip_margin")
wenzelm@50554
   442
wenzelm@52873
   443
  lazy val tooltip_close_icon = JEdit_Lib.load_icon(options.string("tooltip_close_icon"))
wenzelm@52873
   444
  lazy val tooltip_detach_icon = JEdit_Lib.load_icon(options.string("tooltip_detach_icon"))
wenzelm@52472
   445
wenzelm@52472
   446
wenzelm@52472
   447
  private lazy val gutter_icons = Map(
wenzelm@52873
   448
    Rendering.information_pri -> JEdit_Lib.load_icon(options.string("gutter_information_icon")),
wenzelm@52873
   449
    Rendering.warning_pri -> JEdit_Lib.load_icon(options.string("gutter_warning_icon")),
wenzelm@52873
   450
    Rendering.legacy_pri -> JEdit_Lib.load_icon(options.string("gutter_legacy_icon")),
wenzelm@52873
   451
    Rendering.error_pri -> JEdit_Lib.load_icon(options.string("gutter_error_icon")))
wenzelm@49356
   452
wenzelm@52644
   453
  private val gutter_elements = Set(Markup.WRITELN, Markup.WARNING, Markup.ERROR)
wenzelm@52644
   454
wenzelm@49356
   455
  def gutter_message(range: Text.Range): Option[Icon] =
wenzelm@49356
   456
  {
wenzelm@49356
   457
    val results =
wenzelm@52644
   458
      snapshot.cumulate_markup[Int](range, 0, Some(gutter_elements), _ =>
wenzelm@49356
   459
        {
wenzelm@52644
   460
          case (pri, Text.Info(_, XML.Elem(Markup(Markup.WRITELN, _),
wenzelm@52644
   461
              List(XML.Elem(Markup(Markup.INFORMATION, _), _))))) =>
wenzelm@52889
   462
            Some(pri max Rendering.information_pri)
wenzelm@50201
   463
          case (pri, Text.Info(_, XML.Elem(Markup(Markup.WARNING, _), body))) =>
wenzelm@49356
   464
            body match {
wenzelm@50201
   465
              case List(XML.Elem(Markup(Markup.LEGACY, _), _)) =>
wenzelm@52889
   466
                Some(pri max Rendering.legacy_pri)
wenzelm@52889
   467
              case _ =>
wenzelm@52889
   468
                Some(pri max Rendering.warning_pri)
wenzelm@49356
   469
            }
wenzelm@50201
   470
          case (pri, Text.Info(_, XML.Elem(Markup(Markup.ERROR, _), _))) =>
wenzelm@52889
   471
            Some(pri max Rendering.error_pri)
wenzelm@52889
   472
          case _ => None
wenzelm@49356
   473
        })
wenzelm@49356
   474
    val pri = (0 /: results) { case (p1, Text.Info(_, p2)) => p1 max p2 }
wenzelm@52472
   475
    gutter_icons.get(pri)
wenzelm@49356
   476
  }
wenzelm@49356
   477
wenzelm@49356
   478
wenzelm@49356
   479
  private val squiggly_colors = Map(
wenzelm@50199
   480
    Rendering.writeln_pri -> writeln_color,
wenzelm@52650
   481
    Rendering.information_pri -> information_color,
wenzelm@50199
   482
    Rendering.warning_pri -> warning_color,
wenzelm@50199
   483
    Rendering.error_pri -> error_color)
wenzelm@49356
   484
wenzelm@52889
   485
  private val squiggly_include = Set(Markup.WRITELN, Markup.WARNING, Markup.ERROR)
wenzelm@52644
   486
wenzelm@52900
   487
  def squiggly_underline(range: Text.Range): List[Text.Info[Color]] =
wenzelm@49356
   488
  {
wenzelm@49356
   489
    val results =
wenzelm@52889
   490
      snapshot.cumulate_markup[Int](range, 0, Some(squiggly_include), _ =>
wenzelm@49356
   491
        {
wenzelm@52890
   492
          case (pri, Text.Info(_, elem)) =>
wenzelm@52890
   493
            if (Protocol.is_information(elem))
wenzelm@52889
   494
              Some(pri max Rendering.information_pri)
wenzelm@52890
   495
            else if (squiggly_include.contains(elem.name))
wenzelm@52890
   496
              Some(pri max Rendering.message_pri(elem.name))
wenzelm@52889
   497
            else None
wenzelm@49356
   498
        })
wenzelm@49356
   499
    for {
wenzelm@49356
   500
      Text.Info(r, pri) <- results
wenzelm@49356
   501
      color <- squiggly_colors.get(pri)
wenzelm@49356
   502
    } yield Text.Info(r, color)
wenzelm@49356
   503
  }
wenzelm@49356
   504
wenzelm@49474
   505
wenzelm@49474
   506
  private val message_colors = Map(
wenzelm@50199
   507
    Rendering.writeln_pri -> writeln_message_color,
wenzelm@52650
   508
    Rendering.information_pri -> information_message_color,
wenzelm@50199
   509
    Rendering.tracing_pri -> tracing_message_color,
wenzelm@50199
   510
    Rendering.warning_pri -> warning_message_color,
wenzelm@50199
   511
    Rendering.error_pri -> error_message_color)
wenzelm@49474
   512
wenzelm@52650
   513
  private val line_background_elements =
wenzelm@52650
   514
    Set(Markup.WRITELN_MESSAGE, Markup.TRACING_MESSAGE, Markup.WARNING_MESSAGE,
wenzelm@52650
   515
      Markup.ERROR_MESSAGE, Markup.INFORMATION)
wenzelm@52650
   516
wenzelm@49473
   517
  def line_background(range: Text.Range): Option[(Color, Boolean)] =
wenzelm@49473
   518
  {
wenzelm@49474
   519
    val results =
wenzelm@52650
   520
      snapshot.cumulate_markup[Int](range, 0, Some(line_background_elements), _ =>
wenzelm@49473
   521
        {
wenzelm@52890
   522
          case (pri, Text.Info(_, elem)) =>
wenzelm@52890
   523
            val name = elem.name
wenzelm@52890
   524
            if (name == Markup.INFORMATION)
wenzelm@52890
   525
              Some(pri max Rendering.information_pri)
wenzelm@52890
   526
            else if (name == Markup.WRITELN_MESSAGE || name == Markup.TRACING_MESSAGE ||
wenzelm@52890
   527
                elem.name == Markup.WARNING_MESSAGE || name == Markup.ERROR_MESSAGE)
wenzelm@52889
   528
              Some(pri max Rendering.message_pri(name))
wenzelm@52889
   529
            else None
wenzelm@49474
   530
        })
wenzelm@49474
   531
    val pri = (0 /: results) { case (p1, Text.Info(_, p2)) => p1 max p2 }
wenzelm@49474
   532
wenzelm@49474
   533
    val is_separator = pri > 0 &&
wenzelm@50500
   534
      snapshot.cumulate_markup[Boolean](range, false, Some(Set(Markup.SEPARATOR)), _ =>
wenzelm@49473
   535
        {
wenzelm@52890
   536
          case (_, Text.Info(_, elem)) =>
wenzelm@52890
   537
            if (elem.name == Markup.SEPARATOR) Some(true) else None
wenzelm@49473
   538
        }).exists(_.info)
wenzelm@49473
   539
wenzelm@49474
   540
    message_colors.get(pri).map((_, is_separator))
wenzelm@49473
   541
  }
wenzelm@49356
   542
wenzelm@49492
   543
wenzelm@50500
   544
  def output_messages(st: Command.State): List[XML.Tree] =
wenzelm@50507
   545
    st.results.entries.map(_._2).filterNot(Protocol.is_result(_)).toList
wenzelm@50500
   546
wenzelm@50500
   547
wenzelm@49492
   548
  private val background1_include =
wenzelm@50201
   549
    Protocol.command_status_markup + Markup.WRITELN_MESSAGE + Markup.TRACING_MESSAGE +
wenzelm@52650
   550
      Markup.WARNING_MESSAGE + Markup.ERROR_MESSAGE + Markup.BAD + Markup.INTENSIFY ++
wenzelm@52650
   551
      active_include
wenzelm@49492
   552
wenzelm@52900
   553
  def background1(range: Text.Range): List[Text.Info[Color]] =
wenzelm@49356
   554
  {
wenzelm@52900
   555
    if (snapshot.is_outdated) List(Text.Info(range, outdated_color))
wenzelm@49356
   556
    else
wenzelm@49356
   557
      for {
wenzelm@49356
   558
        Text.Info(r, result) <-
wenzelm@50500
   559
          snapshot.cumulate_markup[(Option[Protocol.Status], Option[Color])](
wenzelm@50500
   560
            range, (Some(Protocol.Status.init), None), Some(background1_include), command_state =>
wenzelm@49356
   561
            {
wenzelm@50500
   562
              case (((Some(status), color), Text.Info(_, XML.Elem(markup, _))))
wenzelm@49356
   563
              if (Protocol.command_status_markup(markup.name)) =>
wenzelm@52889
   564
                Some((Some(Protocol.command_status(status, markup)), color))
wenzelm@50500
   565
              case (_, Text.Info(_, XML.Elem(Markup(Markup.BAD, _), _))) =>
wenzelm@52889
   566
                Some((None, Some(bad_color)))
wenzelm@50500
   567
              case (_, Text.Info(_, XML.Elem(Markup(Markup.INTENSIFY, _), _))) =>
wenzelm@52889
   568
                Some((None, Some(intensify_color)))
wenzelm@52081
   569
              case (acc, Text.Info(_, Protocol.Dialog(_, serial, result))) =>
wenzelm@52081
   570
                command_state.results.get(serial) match {
wenzelm@52081
   571
                  case Some(Protocol.Dialog_Result(res)) if res == result =>
wenzelm@52889
   572
                    Some((None, Some(active_result_color)))
wenzelm@52081
   573
                  case _ =>
wenzelm@52889
   574
                    Some((None, Some(active_color)))
wenzelm@50500
   575
                }
wenzelm@52890
   576
              case (_, Text.Info(_, elem)) =>
wenzelm@52890
   577
                if (active_include(elem.name)) Some((None, Some(active_color)))
wenzelm@52889
   578
                else None
wenzelm@49356
   579
            })
wenzelm@49356
   580
        color <-
wenzelm@49356
   581
          (result match {
wenzelm@50500
   582
            case (Some(status), opt_color) =>
wenzelm@49356
   583
              if (status.is_unprocessed) Some(unprocessed1_color)
wenzelm@49356
   584
              else if (status.is_running) Some(running1_color)
wenzelm@49356
   585
              else opt_color
wenzelm@50500
   586
            case (_, opt_color) => opt_color
wenzelm@49356
   587
          })
wenzelm@49356
   588
      } yield Text.Info(r, color)
wenzelm@49356
   589
  }
wenzelm@49356
   590
wenzelm@49356
   591
wenzelm@52900
   592
  def background2(range: Text.Range): List[Text.Info[Color]] =
wenzelm@50500
   593
    snapshot.select_markup(range, Some(Set(Markup.TOKEN_RANGE)), _ =>
wenzelm@49356
   594
      {
wenzelm@52890
   595
        case Text.Info(_, elem) =>
wenzelm@52890
   596
          if (elem.name == Markup.TOKEN_RANGE) Some(light_color) else None
wenzelm@49356
   597
      })
wenzelm@49356
   598
wenzelm@49356
   599
wenzelm@52900
   600
  def bullet(range: Text.Range): List[Text.Info[Color]] =
wenzelm@51574
   601
    snapshot.select_markup(range, Some(Set(Markup.BULLET)), _ =>
wenzelm@51574
   602
      {
wenzelm@52890
   603
        case Text.Info(_, elem) =>
wenzelm@52890
   604
          if (elem.name == Markup.BULLET) Some(bullet_color) else None
wenzelm@51574
   605
      })
wenzelm@51574
   606
wenzelm@51574
   607
wenzelm@52890
   608
  private val foreground_include =
wenzelm@55514
   609
    Set(Markup.STRING, Markup.ALTSTRING, Markup.VERBATIM, Markup.CARTOUCHE, Markup.ANTIQ)
wenzelm@52101
   610
wenzelm@52900
   611
  def foreground(range: Text.Range): List[Text.Info[Color]] =
wenzelm@52890
   612
    snapshot.select_markup(range, Some(foreground_include), _ =>
wenzelm@49356
   613
      {
wenzelm@52890
   614
        case Text.Info(_, elem) =>
wenzelm@52890
   615
          if (elem.name == Markup.ANTIQ) Some(antiquoted_color)
wenzelm@52890
   616
          else if (foreground_include.contains(elem.name)) Some(quoted_color)
wenzelm@52890
   617
          else None
wenzelm@49356
   618
      })
wenzelm@49356
   619
wenzelm@49356
   620
wenzelm@49356
   621
  private val text_colors: Map[String, Color] = Map(
wenzelm@50201
   622
      Markup.KEYWORD1 -> keyword1_color,
wenzelm@50201
   623
      Markup.KEYWORD2 -> keyword2_color,
wenzelm@50201
   624
      Markup.STRING -> Color.BLACK,
wenzelm@50201
   625
      Markup.ALTSTRING -> Color.BLACK,
wenzelm@50201
   626
      Markup.VERBATIM -> Color.BLACK,
wenzelm@55514
   627
      Markup.CARTOUCHE -> Color.BLACK,
wenzelm@50201
   628
      Markup.LITERAL -> keyword1_color,
wenzelm@50201
   629
      Markup.DELIMITER -> Color.BLACK,
wenzelm@50201
   630
      Markup.TFREE -> tfree_color,
wenzelm@50201
   631
      Markup.TVAR -> tvar_color,
wenzelm@50201
   632
      Markup.FREE -> free_color,
wenzelm@50201
   633
      Markup.SKOLEM -> skolem_color,
wenzelm@50201
   634
      Markup.BOUND -> bound_color,
wenzelm@50201
   635
      Markup.VAR -> var_color,
wenzelm@50201
   636
      Markup.INNER_STRING -> inner_quoted_color,
wenzelm@55033
   637
      Markup.INNER_CARTOUCHE -> inner_cartouche_color,
wenzelm@50201
   638
      Markup.INNER_COMMENT -> inner_comment_color,
wenzelm@50201
   639
      Markup.DYNAMIC_FACT -> dynamic_color,
wenzelm@55505
   640
      Markup.ML_KEYWORD1 -> keyword1_color,
wenzelm@55505
   641
      Markup.ML_KEYWORD2 -> keyword2_color,
wenzelm@55505
   642
      Markup.ML_KEYWORD3 -> keyword3_color,
wenzelm@50201
   643
      Markup.ML_DELIMITER -> Color.BLACK,
wenzelm@50201
   644
      Markup.ML_NUMERAL -> inner_numeral_color,
wenzelm@50201
   645
      Markup.ML_CHAR -> inner_quoted_color,
wenzelm@50201
   646
      Markup.ML_STRING -> inner_quoted_color,
wenzelm@52101
   647
      Markup.ML_COMMENT -> inner_comment_color)
wenzelm@49356
   648
wenzelm@52102
   649
  private val text_color_elements = text_colors.keySet
wenzelm@49356
   650
wenzelm@52900
   651
  def text_color(range: Text.Range, color: Color): List[Text.Info[Color]] =
wenzelm@49356
   652
  {
wenzelm@52900
   653
    if (color == Token_Markup.hidden_color) List(Text.Info(range, color))
wenzelm@50196
   654
    else
wenzelm@50500
   655
      snapshot.cumulate_markup(range, color, Some(text_color_elements), _ =>
wenzelm@50196
   656
        {
wenzelm@52890
   657
          case (_, Text.Info(_, elem)) => text_colors.get(elem.name)
wenzelm@50196
   658
        })
wenzelm@49356
   659
  }
wenzelm@50542
   660
wenzelm@50542
   661
wenzelm@50542
   662
  /* nested text structure -- folds */
wenzelm@50542
   663
wenzelm@50545
   664
  private val fold_depth_include = Set(Markup.TEXT_FOLD, Markup.GOAL, Markup.SUBGOAL)
wenzelm@50542
   665
wenzelm@52900
   666
  def fold_depth(range: Text.Range): List[Text.Info[Int]] =
wenzelm@50542
   667
    snapshot.cumulate_markup[Int](range, 0, Some(fold_depth_include), _ =>
wenzelm@50542
   668
      {
wenzelm@52890
   669
        case (depth, Text.Info(_, elem)) =>
wenzelm@52890
   670
          if (fold_depth_include(elem.name)) Some(depth + 1) else None
wenzelm@50542
   671
      })
wenzelm@49356
   672
}