src/Tools/jEdit/src/rendering.scala
author wenzelm
Sat, 13 Jul 2013 18:13:09 +0200
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child 52873 9e934d4fff00
permissions -rw-r--r--
more rendering for information messages;
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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, GUIUtilities}
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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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  /* icons */
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  def load_icon(name: String): Icon =
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  {
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    val name1 =
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      if (name.startsWith("idea-icons/")) {
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        val file =
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          Isabelle_System.platform_file_url(Path.explode("$JEDIT_HOME/dist/jars/idea-icons.jar"))
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        "jar:" + file + "!/" + name
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      }
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      else name
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    val icon = GUIUtilities.loadIcon(name1)
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    if (icon.getIconWidth < 0 || icon.getIconHeight < 0) error("Bad icon: " + name)
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    else icon
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  }
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  /* jEdit font */
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  def font_family(): String = jEdit.getProperty("view.font")
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  def font_size(scale: String): Float =
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    (jEdit.getIntegerProperty("view.fontsize", 16) * PIDE.options.real(scale)).toFloat
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  /* token markup -- text styles */
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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.PRF_SCRIPT -> DIGIT,
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      Keyword.PRF_ASM -> KEYWORD3,
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      Keyword.PRF_ASM_GOAL -> KEYWORD3
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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.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_operator) JEditToken.OPERATOR
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    else token_style(token.kind)
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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 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_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(_, XML.Elem(markup, _)))
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            if overview_include(markup.name) =>
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              if (markup.name == Markup.WARNING || markup.name == Markup.ERROR)
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                (status, pri max Rendering.message_pri(markup.name))
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              else (Protocol.command_status(status, markup), pri)
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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.SORTING, Markup.TYPING, Markup.FREE, Markup.SKOLEM,
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      Markup.BOUND, Markup.VAR, Markup.TFREE, Markup.TVAR, Markup.ML_SOURCE, 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, XML.Elem(Markup(name, _), _)) if highlight_include(name) =>
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            Text.Info(snapshot.convert(info_range), highlight_color)
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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)
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  def hyperlink(range: Text.Range): Option[Text.Info[Hyperlink]] =
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  {
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    snapshot.cumulate_markup[List[Text.Info[Hyperlink]]](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.dir, Path.explode(name))
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            Text.Info(snapshot.convert(info_range), Hyperlink(jedit_file, 0, 0)) :: 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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                    Text.Info(snapshot.convert(info_range), Hyperlink(jedit_file, line, 0)) :: links
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                  case None => links
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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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                    val sources =
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                      node.commands.iterator.takeWhile(_ != command).map(_.source) ++
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                        Iterator.single(command.source(Text.Range(0, command.decode(offset))))
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                    val (line, column) = ((1, 1) /: sources)(Symbol.advance_line_column)
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                    Text.Info(snapshot.convert(info_range),
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                      Hyperlink(command.node_name.node, line, column)) :: links
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                  case None => links
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                }
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              case _ => links
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            }
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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)
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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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            Text.Info(snapshot.convert(info_range), elem)
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          case Text.Info(info_range, elem @ XML.Elem(Markup(name, _), _))
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          if name == Markup.BROWSER || name == Markup.GRAPHVIEW || name == Markup.SENDBACK =>
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            Text.Info(snapshot.convert(info_range), elem)
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        }) match { case Text.Info(_, info) #:: _ => Some(info) case _ => None }
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  def command_results(range: Text.Range): Command.Results =
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  {
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    val results =
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      snapshot.select_markup[Command.Results](range, None, command_state =>
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        { case _ => command_state.results }).map(_.info)
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    (Command.Results.empty /: results)(_ ++ _)
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  }
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  def tooltip_message(range: Text.Range): Option[Text.Info[XML.Body]] =
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  {
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    val results =
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      snapshot.cumulate_markup[List[Text.Info[Command.Results.Entry]]](range, Nil,
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        Some(Set(Markup.WRITELN, Markup.WARNING, Markup.ERROR, Markup.BAD)), _ =>
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        {
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          case (msgs, Text.Info(info_range,
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            XML.Elem(Markup(name, props @ Markup.Serial(serial)), body)))
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          if name == Markup.WRITELN || name == Markup.WARNING || name == Markup.ERROR =>
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            val entry: Command.Results.Entry =
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              (serial -> XML.Elem(Markup(Markup.message(name), props), body))
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            Text.Info(snapshot.convert(info_range), entry) :: msgs
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          case (msgs, Text.Info(info_range, msg @ XML.Elem(Markup(Markup.BAD, _), body)))
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          if !body.isEmpty =>
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            val entry: Command.Results.Entry = (Document_ID.make(), msg)
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            Text.Info(snapshot.convert(info_range), entry) :: msgs
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        }).toList.flatMap(_.info)
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    if (results.isEmpty) None
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    else {
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      val r = Text.Range(results.head.range.start, results.last.range.stop)
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      val msgs = Command.Results.make(results.map(_.info))
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      Some(Text.Info(r, Pretty.separate(msgs.entries.map(_._2).toList)))
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    }
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  }
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  private val tooltips: Map[String, String] =
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    Map(
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      Markup.SORT -> "sort",
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      Markup.TYP -> "type",
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      Markup.TERM -> "term",
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      Markup.PROP -> "proposition",
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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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      Markup.ML_SOURCE -> "ML source",
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      Markup.DOCUMENT_SOURCE -> "document source")
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   323
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  private val tooltip_elements =
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    Set(Markup.TIMING, Markup.ENTITY, Markup.SORTING, Markup.TYPING,
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      Markup.ML_TYPING, Markup.PATH) ++ tooltips.keys
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   327
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  private def pretty_typing(kind: String, body: XML.Body): XML.Tree =
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    Pretty.block(XML.Text(kind) :: Pretty.Break(1) :: body)
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  private val timing_threshold: Double = options.real("jedit_timing_threshold")
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  def tooltip(range: Text.Range): Option[Text.Info[XML.Body]] =
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  {
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    def add(prev: Text.Info[(Timing, List[(Boolean, XML.Tree)])],
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      r0: Text.Range, p: (Boolean, XML.Tree)): Text.Info[(Timing, List[(Boolean, XML.Tree)])] =
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    {
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      val r = snapshot.convert(r0)
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      val (t, info) = prev.info
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      if (prev.range == r) Text.Info(r, (t, p :: info)) else Text.Info(r, (t, List(p)))
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    }
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   343
    val results =
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      snapshot.cumulate_markup[Text.Info[(Timing, List[(Boolean, XML.Tree)])]](
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        range, Text.Info(range, (Timing.zero, Nil)), Some(tooltip_elements), _ =>
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        {
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          case (Text.Info(r, (t1, info)), Text.Info(_, XML.Elem(Markup.Timing(t2), _))) =>
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            Text.Info(r, (t1 + t2, info))
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          case (prev, Text.Info(r, XML.Elem(Markup.Entity(kind, name), _))) =>
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            val kind1 = space_explode('_', kind).mkString(" ")
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   351
            val txt1 = kind1 + " " + quote(name)
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            val t = prev.info._1
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   353
            val txt2 =
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              if (kind == Markup.COMMAND && t.elapsed.seconds >= timing_threshold)
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   355
                "\n" + t.message
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              else ""
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            add(prev, r, (true, XML.Text(txt1 + txt2)))
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   358
          case (prev, Text.Info(r, XML.Elem(Markup.Path(name), _)))
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   359
          if Path.is_ok(name) =>
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   360
            val jedit_file = PIDE.thy_load.append(snapshot.node_name.dir, Path.explode(name))
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            add(prev, r, (true, XML.Text("file " + quote(jedit_file))))
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          case (prev, Text.Info(r, XML.Elem(Markup(name, _), body)))
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   363
          if name == Markup.SORTING || name == Markup.TYPING =>
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   364
            add(prev, r, (true, pretty_typing("::", body)))
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   365
          case (prev, Text.Info(r, XML.Elem(Markup(Markup.ML_TYPING, _), body))) =>
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   366
            add(prev, r, (false, pretty_typing("ML:", body)))
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          case (prev, Text.Info(r, XML.Elem(Markup(name, _), _)))
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   368
          if tooltips.isDefinedAt(name) =>
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   369
            add(prev, r, (true, XML.Text(tooltips(name))))
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   370
        }).toList.map(_.info)
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   371
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    results.map(_.info).flatMap(_._2) match {
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   373
      case Nil => None
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   374
      case tips =>
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   375
        val r = Text.Range(results.head.range.start, results.last.range.stop)
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   376
        val all_tips = (tips.filter(_._1) ++ tips.filter(!_._1).lastOption.toList).map(_._2)
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   377
        Some(Text.Info(r, Library.separate(Pretty.FBreak, all_tips)))
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   378
    }
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   379
  }
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diff changeset
   380
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   381
  val tooltip_margin: Int = options.int("jedit_tooltip_margin")
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   382
  val tooltip_bounds: Double = (options.real("jedit_tooltip_bounds") max 0.2) min 0.8
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diff changeset
   383
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   384
  lazy val tooltip_close_icon = Rendering.load_icon(options.string("tooltip_close_icon"))
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   385
  lazy val tooltip_detach_icon = Rendering.load_icon(options.string("tooltip_detach_icon"))
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   386
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diff changeset
   387
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   388
  private lazy val gutter_icons = Map(
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   389
    Rendering.information_pri -> Rendering.load_icon(options.string("gutter_information_icon")),
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   390
    Rendering.warning_pri -> Rendering.load_icon(options.string("gutter_warning_icon")),
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diff changeset
   391
    Rendering.legacy_pri -> Rendering.load_icon(options.string("gutter_legacy_icon")),
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diff changeset
   392
    Rendering.error_pri -> Rendering.load_icon(options.string("gutter_error_icon")))
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diff changeset
   393
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   394
  private val gutter_elements = Set(Markup.WRITELN, Markup.WARNING, Markup.ERROR)
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diff changeset
   395
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   396
  def gutter_message(range: Text.Range): Option[Icon] =
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diff changeset
   397
  {
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diff changeset
   398
    val results =
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diff changeset
   399
      snapshot.cumulate_markup[Int](range, 0, Some(gutter_elements), _ =>
49356
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diff changeset
   400
        {
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diff changeset
   401
          case (pri, Text.Info(_, XML.Elem(Markup(Markup.WRITELN, _),
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diff changeset
   402
              List(XML.Elem(Markup(Markup.INFORMATION, _), _))))) =>
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diff changeset
   403
            pri max Rendering.information_pri
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diff changeset
   404
          case (pri, Text.Info(_, XML.Elem(Markup(Markup.WARNING, _), body))) =>
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diff changeset
   405
            body match {
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diff changeset
   406
              case List(XML.Elem(Markup(Markup.LEGACY, _), _)) =>
50199
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diff changeset
   407
                pri max Rendering.legacy_pri
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diff changeset
   408
              case _ => pri max Rendering.warning_pri
49356
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diff changeset
   409
            }
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diff changeset
   410
          case (pri, Text.Info(_, XML.Elem(Markup(Markup.ERROR, _), _))) =>
50199
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diff changeset
   411
            pri max Rendering.error_pri
49356
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diff changeset
   412
        })
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diff changeset
   413
    val pri = (0 /: results) { case (p1, Text.Info(_, p2)) => p1 max p2 }
52472
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diff changeset
   414
    gutter_icons.get(pri)
49356
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diff changeset
   415
  }
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diff changeset
   416
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diff changeset
   417
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diff changeset
   418
  private val squiggly_colors = Map(
50199
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diff changeset
   419
    Rendering.writeln_pri -> writeln_color,
52650
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diff changeset
   420
    Rendering.information_pri -> information_color,
50199
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diff changeset
   421
    Rendering.warning_pri -> warning_color,
6d04e2422769 quasi-abstract module Rendering, with Isabelle-specific implementation;
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diff changeset
   422
    Rendering.error_pri -> error_color)
49356
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diff changeset
   423
52644
cea207576f81 gutter icon for information messages;
wenzelm
parents: 52643
diff changeset
   424
  private val squiggly_elements = Set(Markup.WRITELN, Markup.WARNING, Markup.ERROR)
cea207576f81 gutter icon for information messages;
wenzelm
parents: 52643
diff changeset
   425
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   426
  def squiggly_underline(range: Text.Range): Stream[Text.Info[Color]] =
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   427
  {
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   428
    val results =
52644
cea207576f81 gutter icon for information messages;
wenzelm
parents: 52643
diff changeset
   429
      snapshot.cumulate_markup[Int](range, 0, Some(squiggly_elements), _ =>
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   430
        {
52650
4cf6fbf1d9a1 more rendering for information messages;
wenzelm
parents: 52644
diff changeset
   431
          case (pri, Text.Info(_, msg @ XML.Elem(Markup(name, _), _)))
50201
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   432
          if name == Markup.WRITELN ||
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   433
            name == Markup.WARNING ||
52650
4cf6fbf1d9a1 more rendering for information messages;
wenzelm
parents: 52644
diff changeset
   434
            name == Markup.ERROR =>
4cf6fbf1d9a1 more rendering for information messages;
wenzelm
parents: 52644
diff changeset
   435
              if (Protocol.is_information(msg)) pri max Rendering.information_pri
4cf6fbf1d9a1 more rendering for information messages;
wenzelm
parents: 52644
diff changeset
   436
              else pri max Rendering.message_pri(name)
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   437
        })
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   438
    for {
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   439
      Text.Info(r, pri) <- results
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   440
      color <- squiggly_colors.get(pri)
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   441
    } yield Text.Info(r, color)
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   442
  }
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   443
49474
e7ff10e1a155 clarified message background;
wenzelm
parents: 49473
diff changeset
   444
e7ff10e1a155 clarified message background;
wenzelm
parents: 49473
diff changeset
   445
  private val message_colors = Map(
50199
6d04e2422769 quasi-abstract module Rendering, with Isabelle-specific implementation;
wenzelm
parents: 50196
diff changeset
   446
    Rendering.writeln_pri -> writeln_message_color,
52650
4cf6fbf1d9a1 more rendering for information messages;
wenzelm
parents: 52644
diff changeset
   447
    Rendering.information_pri -> information_message_color,
50199
6d04e2422769 quasi-abstract module Rendering, with Isabelle-specific implementation;
wenzelm
parents: 50196
diff changeset
   448
    Rendering.tracing_pri -> tracing_message_color,
6d04e2422769 quasi-abstract module Rendering, with Isabelle-specific implementation;
wenzelm
parents: 50196
diff changeset
   449
    Rendering.warning_pri -> warning_message_color,
6d04e2422769 quasi-abstract module Rendering, with Isabelle-specific implementation;
wenzelm
parents: 50196
diff changeset
   450
    Rendering.error_pri -> error_message_color)
49474
e7ff10e1a155 clarified message background;
wenzelm
parents: 49473
diff changeset
   451
52650
4cf6fbf1d9a1 more rendering for information messages;
wenzelm
parents: 52644
diff changeset
   452
  private val line_background_elements =
4cf6fbf1d9a1 more rendering for information messages;
wenzelm
parents: 52644
diff changeset
   453
    Set(Markup.WRITELN_MESSAGE, Markup.TRACING_MESSAGE, Markup.WARNING_MESSAGE,
4cf6fbf1d9a1 more rendering for information messages;
wenzelm
parents: 52644
diff changeset
   454
      Markup.ERROR_MESSAGE, Markup.INFORMATION)
4cf6fbf1d9a1 more rendering for information messages;
wenzelm
parents: 52644
diff changeset
   455
49473
ca7e2c21b104 tuned rendering;
wenzelm
parents: 49423
diff changeset
   456
  def line_background(range: Text.Range): Option[(Color, Boolean)] =
ca7e2c21b104 tuned rendering;
wenzelm
parents: 49423
diff changeset
   457
  {
49474
e7ff10e1a155 clarified message background;
wenzelm
parents: 49473
diff changeset
   458
    val results =
52650
4cf6fbf1d9a1 more rendering for information messages;
wenzelm
parents: 52644
diff changeset
   459
      snapshot.cumulate_markup[Int](range, 0, Some(line_background_elements), _ =>
49473
ca7e2c21b104 tuned rendering;
wenzelm
parents: 49423
diff changeset
   460
        {
52650
4cf6fbf1d9a1 more rendering for information messages;
wenzelm
parents: 52644
diff changeset
   461
          case (pri, Text.Info(_, XML.Elem(Markup(Markup.INFORMATION, _), _))) =>
4cf6fbf1d9a1 more rendering for information messages;
wenzelm
parents: 52644
diff changeset
   462
            pri max Rendering.information_pri
49474
e7ff10e1a155 clarified message background;
wenzelm
parents: 49473
diff changeset
   463
          case (pri, Text.Info(_, XML.Elem(Markup(name, _), _)))
50201
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   464
          if name == Markup.WRITELN_MESSAGE ||
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   465
            name == Markup.TRACING_MESSAGE ||
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   466
            name == Markup.WARNING_MESSAGE ||
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   467
            name == Markup.ERROR_MESSAGE => pri max Rendering.message_pri(name)
49474
e7ff10e1a155 clarified message background;
wenzelm
parents: 49473
diff changeset
   468
        })
e7ff10e1a155 clarified message background;
wenzelm
parents: 49473
diff changeset
   469
    val pri = (0 /: results) { case (p1, Text.Info(_, p2)) => p1 max p2 }
e7ff10e1a155 clarified message background;
wenzelm
parents: 49473
diff changeset
   470
e7ff10e1a155 clarified message background;
wenzelm
parents: 49473
diff changeset
   471
    val is_separator = pri > 0 &&
50500
c94bba7906d2 identify dialogs via official serial and maintain as result message;
wenzelm
parents: 50499
diff changeset
   472
      snapshot.cumulate_markup[Boolean](range, false, Some(Set(Markup.SEPARATOR)), _ =>
49473
ca7e2c21b104 tuned rendering;
wenzelm
parents: 49423
diff changeset
   473
        {
50201
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   474
          case (_, Text.Info(_, XML.Elem(Markup(Markup.SEPARATOR, _), _))) => true
49473
ca7e2c21b104 tuned rendering;
wenzelm
parents: 49423
diff changeset
   475
        }).exists(_.info)
ca7e2c21b104 tuned rendering;
wenzelm
parents: 49423
diff changeset
   476
49474
e7ff10e1a155 clarified message background;
wenzelm
parents: 49473
diff changeset
   477
    message_colors.get(pri).map((_, is_separator))
49473
ca7e2c21b104 tuned rendering;
wenzelm
parents: 49423
diff changeset
   478
  }
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   479
49492
2e3e7ea5ce8e some support for hovering and sendback area;
wenzelm
parents: 49476
diff changeset
   480
50500
c94bba7906d2 identify dialogs via official serial and maintain as result message;
wenzelm
parents: 50499
diff changeset
   481
  def output_messages(st: Command.State): List[XML.Tree] =
c94bba7906d2 identify dialogs via official serial and maintain as result message;
wenzelm
parents: 50499
diff changeset
   482
  {
50507
9605b0d93d1e more formal class Command.Results;
wenzelm
parents: 50502
diff changeset
   483
    st.results.entries.map(_._2).filterNot(Protocol.is_result(_)).toList
50500
c94bba7906d2 identify dialogs via official serial and maintain as result message;
wenzelm
parents: 50499
diff changeset
   484
  }
c94bba7906d2 identify dialogs via official serial and maintain as result message;
wenzelm
parents: 50499
diff changeset
   485
c94bba7906d2 identify dialogs via official serial and maintain as result message;
wenzelm
parents: 50499
diff changeset
   486
49492
2e3e7ea5ce8e some support for hovering and sendback area;
wenzelm
parents: 49476
diff changeset
   487
  private val background1_include =
50201
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   488
    Protocol.command_status_markup + Markup.WRITELN_MESSAGE + Markup.TRACING_MESSAGE +
52650
4cf6fbf1d9a1 more rendering for information messages;
wenzelm
parents: 52644
diff changeset
   489
      Markup.WARNING_MESSAGE + Markup.ERROR_MESSAGE + Markup.BAD + Markup.INTENSIFY ++
4cf6fbf1d9a1 more rendering for information messages;
wenzelm
parents: 52644
diff changeset
   490
      active_include
49492
2e3e7ea5ce8e some support for hovering and sendback area;
wenzelm
parents: 49476
diff changeset
   491
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   492
  def background1(range: Text.Range): Stream[Text.Info[Color]] =
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   493
  {
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   494
    if (snapshot.is_outdated) Stream(Text.Info(range, outdated_color))
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   495
    else
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   496
      for {
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   497
        Text.Info(r, result) <-
50500
c94bba7906d2 identify dialogs via official serial and maintain as result message;
wenzelm
parents: 50499
diff changeset
   498
          snapshot.cumulate_markup[(Option[Protocol.Status], Option[Color])](
c94bba7906d2 identify dialogs via official serial and maintain as result message;
wenzelm
parents: 50499
diff changeset
   499
            range, (Some(Protocol.Status.init), None), Some(background1_include), command_state =>
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   500
            {
50500
c94bba7906d2 identify dialogs via official serial and maintain as result message;
wenzelm
parents: 50499
diff changeset
   501
              case (((Some(status), color), Text.Info(_, XML.Elem(markup, _))))
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   502
              if (Protocol.command_status_markup(markup.name)) =>
50500
c94bba7906d2 identify dialogs via official serial and maintain as result message;
wenzelm
parents: 50499
diff changeset
   503
                (Some(Protocol.command_status(status, markup)), color)
c94bba7906d2 identify dialogs via official serial and maintain as result message;
wenzelm
parents: 50499
diff changeset
   504
              case (_, Text.Info(_, XML.Elem(Markup(Markup.BAD, _), _))) =>
c94bba7906d2 identify dialogs via official serial and maintain as result message;
wenzelm
parents: 50499
diff changeset
   505
                (None, Some(bad_color))
c94bba7906d2 identify dialogs via official serial and maintain as result message;
wenzelm
parents: 50499
diff changeset
   506
              case (_, Text.Info(_, XML.Elem(Markup(Markup.INTENSIFY, _), _))) =>
c94bba7906d2 identify dialogs via official serial and maintain as result message;
wenzelm
parents: 50499
diff changeset
   507
                (None, Some(intensify_color))
52081
29566b6810f7 discontinued odd workaround for scala-2.9.2, which is hopefully obsolete in scala-2.10.x;
wenzelm
parents: 51588
diff changeset
   508
              case (acc, Text.Info(_, Protocol.Dialog(_, serial, result))) =>
29566b6810f7 discontinued odd workaround for scala-2.9.2, which is hopefully obsolete in scala-2.10.x;
wenzelm
parents: 51588
diff changeset
   509
                command_state.results.get(serial) match {
29566b6810f7 discontinued odd workaround for scala-2.9.2, which is hopefully obsolete in scala-2.10.x;
wenzelm
parents: 51588
diff changeset
   510
                  case Some(Protocol.Dialog_Result(res)) if res == result =>
29566b6810f7 discontinued odd workaround for scala-2.9.2, which is hopefully obsolete in scala-2.10.x;
wenzelm
parents: 51588
diff changeset
   511
                    (None, Some(active_result_color))
29566b6810f7 discontinued odd workaround for scala-2.9.2, which is hopefully obsolete in scala-2.10.x;
wenzelm
parents: 51588
diff changeset
   512
                  case _ =>
29566b6810f7 discontinued odd workaround for scala-2.9.2, which is hopefully obsolete in scala-2.10.x;
wenzelm
parents: 51588
diff changeset
   513
                    (None, Some(active_color))
50500
c94bba7906d2 identify dialogs via official serial and maintain as result message;
wenzelm
parents: 50499
diff changeset
   514
                }
c94bba7906d2 identify dialogs via official serial and maintain as result message;
wenzelm
parents: 50499
diff changeset
   515
              case (_, Text.Info(_, XML.Elem(markup, _))) if active_include(markup.name) =>
c94bba7906d2 identify dialogs via official serial and maintain as result message;
wenzelm
parents: 50499
diff changeset
   516
                (None, Some(active_color))
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   517
            })
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   518
        color <-
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   519
          (result match {
50500
c94bba7906d2 identify dialogs via official serial and maintain as result message;
wenzelm
parents: 50499
diff changeset
   520
            case (Some(status), opt_color) =>
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   521
              if (status.is_unprocessed) Some(unprocessed1_color)
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   522
              else if (status.is_running) Some(running1_color)
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   523
              else opt_color
50500
c94bba7906d2 identify dialogs via official serial and maintain as result message;
wenzelm
parents: 50499
diff changeset
   524
            case (_, opt_color) => opt_color
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   525
          })
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   526
      } yield Text.Info(r, color)
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   527
  }
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   528
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   529
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   530
  def background2(range: Text.Range): Stream[Text.Info[Color]] =
50500
c94bba7906d2 identify dialogs via official serial and maintain as result message;
wenzelm
parents: 50499
diff changeset
   531
    snapshot.select_markup(range, Some(Set(Markup.TOKEN_RANGE)), _ =>
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   532
      {
50201
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   533
        case Text.Info(_, XML.Elem(Markup(Markup.TOKEN_RANGE, _), _)) => light_color
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   534
      })
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   535
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   536
51574
2b58d7b139d6 ghost bullet via markup, which is painted as bar under text (normally space);
wenzelm
parents: 51496
diff changeset
   537
  def bullet(range: Text.Range): Stream[Text.Info[Color]] =
2b58d7b139d6 ghost bullet via markup, which is painted as bar under text (normally space);
wenzelm
parents: 51496
diff changeset
   538
    snapshot.select_markup(range, Some(Set(Markup.BULLET)), _ =>
2b58d7b139d6 ghost bullet via markup, which is painted as bar under text (normally space);
wenzelm
parents: 51496
diff changeset
   539
      {
2b58d7b139d6 ghost bullet via markup, which is painted as bar under text (normally space);
wenzelm
parents: 51496
diff changeset
   540
        case Text.Info(_, XML.Elem(Markup(Markup.BULLET, _), _)) => bullet_color
2b58d7b139d6 ghost bullet via markup, which is painted as bar under text (normally space);
wenzelm
parents: 51496
diff changeset
   541
      })
2b58d7b139d6 ghost bullet via markup, which is painted as bar under text (normally space);
wenzelm
parents: 51496
diff changeset
   542
2b58d7b139d6 ghost bullet via markup, which is painted as bar under text (normally space);
wenzelm
parents: 51496
diff changeset
   543
52101
7679178b0aa5 less intrusive rendering of antiquoted text -- avoid visual clash with "blue variables" in particular;
wenzelm
parents: 52081
diff changeset
   544
  private val foreground_elements =
7679178b0aa5 less intrusive rendering of antiquoted text -- avoid visual clash with "blue variables" in particular;
wenzelm
parents: 52081
diff changeset
   545
    Set(Markup.STRING, Markup.ALTSTRING, Markup.VERBATIM, Markup.ANTIQ)
7679178b0aa5 less intrusive rendering of antiquoted text -- avoid visual clash with "blue variables" in particular;
wenzelm
parents: 52081
diff changeset
   546
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   547
  def foreground(range: Text.Range): Stream[Text.Info[Color]] =
52101
7679178b0aa5 less intrusive rendering of antiquoted text -- avoid visual clash with "blue variables" in particular;
wenzelm
parents: 52081
diff changeset
   548
    snapshot.select_markup(range, Some(foreground_elements), _ =>
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   549
      {
50201
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   550
        case Text.Info(_, XML.Elem(Markup(Markup.STRING, _), _)) => quoted_color
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   551
        case Text.Info(_, XML.Elem(Markup(Markup.ALTSTRING, _), _)) => quoted_color
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   552
        case Text.Info(_, XML.Elem(Markup(Markup.VERBATIM, _), _)) => quoted_color
52101
7679178b0aa5 less intrusive rendering of antiquoted text -- avoid visual clash with "blue variables" in particular;
wenzelm
parents: 52081
diff changeset
   553
        case Text.Info(_, XML.Elem(Markup(Markup.ANTIQ, _), _)) => antiquoted_color
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   554
      })
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   555
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   556
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   557
  private val text_colors: Map[String, Color] = Map(
50201
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   558
      Markup.KEYWORD1 -> keyword1_color,
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   559
      Markup.KEYWORD2 -> keyword2_color,
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   560
      Markup.STRING -> Color.BLACK,
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   561
      Markup.ALTSTRING -> Color.BLACK,
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   562
      Markup.VERBATIM -> Color.BLACK,
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   563
      Markup.LITERAL -> keyword1_color,
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   564
      Markup.DELIMITER -> Color.BLACK,
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   565
      Markup.TFREE -> tfree_color,
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   566
      Markup.TVAR -> tvar_color,
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   567
      Markup.FREE -> free_color,
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   568
      Markup.SKOLEM -> skolem_color,
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   569
      Markup.BOUND -> bound_color,
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   570
      Markup.VAR -> var_color,
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   571
      Markup.INNER_STRING -> inner_quoted_color,
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   572
      Markup.INNER_COMMENT -> inner_comment_color,
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   573
      Markup.DYNAMIC_FACT -> dynamic_color,
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   574
      Markup.ML_KEYWORD -> keyword1_color,
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   575
      Markup.ML_DELIMITER -> Color.BLACK,
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   576
      Markup.ML_NUMERAL -> inner_numeral_color,
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   577
      Markup.ML_CHAR -> inner_quoted_color,
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   578
      Markup.ML_STRING -> inner_quoted_color,
52101
7679178b0aa5 less intrusive rendering of antiquoted text -- avoid visual clash with "blue variables" in particular;
wenzelm
parents: 52081
diff changeset
   579
      Markup.ML_COMMENT -> inner_comment_color)
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   580
52102
wenzelm
parents: 52101
diff changeset
   581
  private val text_color_elements = text_colors.keySet
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   582
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   583
  def text_color(range: Text.Range, color: Color)
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   584
      : Stream[Text.Info[Color]] =
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   585
  {
50196
94886ebf090f retain hidden_color (i.e. transparent white) instead of replacing it by semantic text color, to make control symbols more hidden and avoid "dirty" lines with some fonts;
wenzelm
parents: 50164
diff changeset
   586
    if (color == Token_Markup.hidden_color) Stream(Text.Info(range, color))
94886ebf090f retain hidden_color (i.e. transparent white) instead of replacing it by semantic text color, to make control symbols more hidden and avoid "dirty" lines with some fonts;
wenzelm
parents: 50164
diff changeset
   587
    else
50500
c94bba7906d2 identify dialogs via official serial and maintain as result message;
wenzelm
parents: 50499
diff changeset
   588
      snapshot.cumulate_markup(range, color, Some(text_color_elements), _ =>
50196
94886ebf090f retain hidden_color (i.e. transparent white) instead of replacing it by semantic text color, to make control symbols more hidden and avoid "dirty" lines with some fonts;
wenzelm
parents: 50164
diff changeset
   589
        {
94886ebf090f retain hidden_color (i.e. transparent white) instead of replacing it by semantic text color, to make control symbols more hidden and avoid "dirty" lines with some fonts;
wenzelm
parents: 50164
diff changeset
   590
          case (_, Text.Info(_, XML.Elem(Markup(m, _), _)))
94886ebf090f retain hidden_color (i.e. transparent white) instead of replacing it by semantic text color, to make control symbols more hidden and avoid "dirty" lines with some fonts;
wenzelm
parents: 50164
diff changeset
   591
          if text_colors.isDefinedAt(m) => text_colors(m)
94886ebf090f retain hidden_color (i.e. transparent white) instead of replacing it by semantic text color, to make control symbols more hidden and avoid "dirty" lines with some fonts;
wenzelm
parents: 50164
diff changeset
   592
        })
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   593
  }
50542
58bd88159f8f fold handling within Pretty_Text_Area, based on formal document content, which is static here;
wenzelm
parents: 50507
diff changeset
   594
58bd88159f8f fold handling within Pretty_Text_Area, based on formal document content, which is static here;
wenzelm
parents: 50507
diff changeset
   595
58bd88159f8f fold handling within Pretty_Text_Area, based on formal document content, which is static here;
wenzelm
parents: 50507
diff changeset
   596
  /* nested text structure -- folds */
58bd88159f8f fold handling within Pretty_Text_Area, based on formal document content, which is static here;
wenzelm
parents: 50507
diff changeset
   597
50545
00bdc48c5f71 explicit text_fold markup, which is used by default in Pretty.chunks/chunks2;
wenzelm
parents: 50543
diff changeset
   598
  private val fold_depth_include = Set(Markup.TEXT_FOLD, Markup.GOAL, Markup.SUBGOAL)
50542
58bd88159f8f fold handling within Pretty_Text_Area, based on formal document content, which is static here;
wenzelm
parents: 50507
diff changeset
   599
58bd88159f8f fold handling within Pretty_Text_Area, based on formal document content, which is static here;
wenzelm
parents: 50507
diff changeset
   600
  def fold_depth(range: Text.Range): Stream[Text.Info[Int]] =
58bd88159f8f fold handling within Pretty_Text_Area, based on formal document content, which is static here;
wenzelm
parents: 50507
diff changeset
   601
    snapshot.cumulate_markup[Int](range, 0, Some(fold_depth_include), _ =>
58bd88159f8f fold handling within Pretty_Text_Area, based on formal document content, which is static here;
wenzelm
parents: 50507
diff changeset
   602
      {
58bd88159f8f fold handling within Pretty_Text_Area, based on formal document content, which is static here;
wenzelm
parents: 50507
diff changeset
   603
        case (depth, Text.Info(_, XML.Elem(Markup(name, _), _)))
58bd88159f8f fold handling within Pretty_Text_Area, based on formal document content, which is static here;
wenzelm
parents: 50507
diff changeset
   604
        if fold_depth_include(name) => depth + 1
58bd88159f8f fold handling within Pretty_Text_Area, based on formal document content, which is static here;
wenzelm
parents: 50507
diff changeset
   605
      })
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   606
}