src/Tools/jEdit/src/rendering.scala
author wenzelm
Thu, 20 Feb 2014 17:21:48 +0100
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parent 55622 ce575c2212fc
child 55625 d8eb606cf321
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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 antiquote_color = color_value("antiquote_color")
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  val highlight_color = color_value("highlight_color")
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  val hyperlink_color = color_value("hyperlink_color")
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  val active_color = color_value("active_color")
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  val active_hover_color = color_value("active_hover_color")
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  val active_result_color = color_value("active_result_color")
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  val keyword1_color = color_value("keyword1_color")
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  val keyword2_color = color_value("keyword2_color")
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  val keyword3_color = color_value("keyword3_color")
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  val tfree_color = color_value("tfree_color")
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  val tvar_color = color_value("tvar_color")
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  val free_color = color_value("free_color")
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  val skolem_color = color_value("skolem_color")
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  val bound_color = color_value("bound_color")
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  val var_color = color_value("var_color")
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  val inner_numeral_color = color_value("inner_numeral_color")
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  val inner_quoted_color = color_value("inner_quoted_color")
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  val inner_cartouche_color = color_value("inner_cartouche_color")
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  val inner_comment_color = color_value("inner_comment_color")
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  val dynamic_color = color_value("dynamic_color")
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  /* completion context */
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  private val completion_elements =
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    Set(Markup.STRING, Markup.ALTSTRING, Markup.VERBATIM, Markup.CARTOUCHE,
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      Markup.COMMENT, Markup.LANGUAGE)
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  def completion_context(caret: Text.Offset): Option[Completion.Context] =
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    if (caret > 0) {
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      val result =
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        snapshot.select_markup(Text.Range(caret - 1, caret + 1), completion_elements, _ =>
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          {
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            case Text.Info(_, XML.Elem(Markup.Language(language, symbols), _)) =>
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              Some(Completion.Context(language, symbols))
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            case Text.Info(_, XML.Elem(markup, _)) =>
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              Some(Completion.Context(Markup.Language.UNKNOWN, true))
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          })
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      result match {
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        case Text.Info(_, context) :: _ => Some(context)
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        case Nil => None
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      }
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    }
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    else None
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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_elements =
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    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), overview_elements, _ =>
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          {
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            case ((status, pri), Text.Info(_, elem)) =>
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              if (Protocol.command_status_markup(elem.name))
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                Some((Protocol.command_status(status, elem.markup), pri))
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              else
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                Some((status, pri max Rendering.message_pri(elem.name)))
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          })
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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_elements =
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    Set(Markup.LANGUAGE, Markup.ML_TYPING, Markup.TOKEN_RANGE,
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      Markup.ENTITY, Markup.PATH, Markup.URL, Markup.SORTING,
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      Markup.TYPING, Markup.FREE, Markup.SKOLEM, Markup.BOUND,
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      Markup.VAR, Markup.TFREE, Markup.TVAR)
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  def highlight(range: Text.Range): Option[Text.Info[Color]] =
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  {
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    snapshot.select_markup(range, highlight_elements, _ =>
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      {
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        case info => Some(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_elements =
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    Set(Markup.ENTITY, Markup.PATH, Markup.POSITION, Markup.URL)
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  private def hyperlink_file(line: Int, name: String): Option[PIDE.editor.Hyperlink] =
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    if (Path.is_ok(name))
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      Isabelle_System.source_file(Path.explode(name)).map(path =>
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        PIDE.editor.hyperlink_file(Isabelle_System.platform_path(path), line))
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    else None
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  private def hyperlink_command(id: Document_ID.Generic, offset: Text.Offset)
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      : Option[PIDE.editor.Hyperlink] =
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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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      case None => None
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    }
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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[Vector[Text.Info[PIDE.editor.Hyperlink]]](
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      range, Vector.empty, hyperlink_elements, _ =>
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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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   307
            val link = PIDE.editor.hyperlink_file(jedit_file)
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   308
            Some(links :+ Text.Info(snapshot.convert(info_range), link))
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   309
54702
3daeba5130f0 added document antiquotation @{url}, which produces formal markup for LaTeX and PIDE;
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diff changeset
   310
          case (links, Text.Info(info_range, XML.Elem(Markup.Url(name), _))) =>
3daeba5130f0 added document antiquotation @{url}, which produces formal markup for LaTeX and PIDE;
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   311
            val link = PIDE.editor.hyperlink_url(name)
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   312
            Some(links :+ Text.Info(snapshot.convert(info_range), link))
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diff changeset
   313
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   314
          case (links, Text.Info(info_range, XML.Elem(Markup(Markup.ENTITY, props), _)))
49815
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diff changeset
   315
          if !props.exists(
50201
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diff changeset
   316
            { case (Markup.KIND, Markup.ML_OPEN) => true
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   317
              case (Markup.KIND, Markup.ML_STRUCT) => true
49815
wenzelm
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diff changeset
   318
              case _ => false }) =>
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diff changeset
   319
55547
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diff changeset
   320
            val opt_link =
4a9f76263ece hyperlink for visible positions;
wenzelm
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diff changeset
   321
              props match {
4a9f76263ece hyperlink for visible positions;
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diff changeset
   322
                case Position.Def_Line_File(line, name) => hyperlink_file(line, name)
4a9f76263ece hyperlink for visible positions;
wenzelm
parents: 55526
diff changeset
   323
                case Position.Def_Id_Offset(id, offset) => hyperlink_command(id, offset)
4a9f76263ece hyperlink for visible positions;
wenzelm
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diff changeset
   324
                case _ => None
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wenzelm
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diff changeset
   325
              }
55622
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wenzelm
parents: 55620
diff changeset
   326
            opt_link.map(link => (links :+ Text.Info(snapshot.convert(info_range), link)))
49356
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diff changeset
   327
55547
4a9f76263ece hyperlink for visible positions;
wenzelm
parents: 55526
diff changeset
   328
          case (links, Text.Info(info_range, XML.Elem(Markup(Markup.POSITION, props), _))) =>
4a9f76263ece hyperlink for visible positions;
wenzelm
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diff changeset
   329
            val opt_link =
4a9f76263ece hyperlink for visible positions;
wenzelm
parents: 55526
diff changeset
   330
              props match {
4a9f76263ece hyperlink for visible positions;
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diff changeset
   331
                case Position.Line_File(line, name) => hyperlink_file(line, name)
4a9f76263ece hyperlink for visible positions;
wenzelm
parents: 55526
diff changeset
   332
                case Position.Id_Offset(id, offset) => hyperlink_command(id, offset)
4a9f76263ece hyperlink for visible positions;
wenzelm
parents: 55526
diff changeset
   333
                case _ => None
4a9f76263ece hyperlink for visible positions;
wenzelm
parents: 55526
diff changeset
   334
              }
55622
ce575c2212fc clarified markup cumulation order (see also 25306d92f4ad and 0009a6ebc83b), e.g. relevant for completion_context;
wenzelm
parents: 55620
diff changeset
   335
            opt_link.map(link => links :+ (Text.Info(snapshot.convert(info_range), link)))
52889
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wenzelm
parents: 52873
diff changeset
   336
ea3338812e67 more tight interface for markup cumulate/select: avoid duplicate application, allow to defer decision about definedness;
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diff changeset
   337
          case _ => None
55622
ce575c2212fc clarified markup cumulation order (see also 25306d92f4ad and 0009a6ebc83b), e.g. relevant for completion_context;
wenzelm
parents: 55620
diff changeset
   338
        }) match { case Text.Info(_, _ :+ info) :: _ => Some(info) case _ => None }
49356
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diff changeset
   339
  }
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diff changeset
   340
6e0c0ffb6ec7 more static handling of rendering options;
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diff changeset
   341
55619
wenzelm
parents: 55616
diff changeset
   342
  private val active_elements =
55622
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wenzelm
parents: 55620
diff changeset
   343
    Set(Markup.DIALOG, Markup.BROWSER, Markup.GRAPHVIEW, Markup.SENDBACK, Markup.SIMP_TRACE)
50450
358b6020f8b6 generalized notion of active area, where sendback is just one application;
wenzelm
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diff changeset
   344
358b6020f8b6 generalized notion of active area, where sendback is just one application;
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diff changeset
   345
  def active(range: Text.Range): Option[Text.Info[XML.Elem]] =
55620
19dffae33cde cumulate/select wrt. precise elements guard;
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parents: 55619
diff changeset
   346
    snapshot.select_markup(range, active_elements, command_state =>
19dffae33cde cumulate/select wrt. precise elements guard;
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diff changeset
   347
      {
19dffae33cde cumulate/select wrt. precise elements guard;
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diff changeset
   348
        case Text.Info(info_range, elem) =>
55623
wenzelm
parents: 55622
diff changeset
   349
          if (elem.name == Markup.DIALOG) {
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diff changeset
   350
            elem match {
wenzelm
parents: 55622
diff changeset
   351
              case Protocol.Dialog(_, serial, _)
wenzelm
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diff changeset
   352
              if !command_state.results.defined(serial) =>
wenzelm
parents: 55622
diff changeset
   353
                Some(Text.Info(snapshot.convert(info_range), elem))
wenzelm
parents: 55622
diff changeset
   354
              case _ => None
wenzelm
parents: 55622
diff changeset
   355
            }
wenzelm
parents: 55622
diff changeset
   356
          }
wenzelm
parents: 55622
diff changeset
   357
          else Some(Text.Info(snapshot.convert(info_range), elem))
55620
19dffae33cde cumulate/select wrt. precise elements guard;
wenzelm
parents: 55619
diff changeset
   358
      }) match { case Text.Info(_, info) :: _ => Some(info) case _ => None }
49492
2e3e7ea5ce8e some support for hovering and sendback area;
wenzelm
parents: 49476
diff changeset
   359
2e3e7ea5ce8e some support for hovering and sendback area;
wenzelm
parents: 49476
diff changeset
   360
50502
51408dde956f include command results in tooltip as well;
wenzelm
parents: 50501
diff changeset
   361
  def command_results(range: Text.Range): Command.Results =
51408dde956f include command results in tooltip as well;
wenzelm
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diff changeset
   362
  {
51408dde956f include command results in tooltip as well;
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diff changeset
   363
    val results =
55620
19dffae33cde cumulate/select wrt. precise elements guard;
wenzelm
parents: 55619
diff changeset
   364
      snapshot.select_markup[Command.Results](range, _ => true, command_state =>
52889
ea3338812e67 more tight interface for markup cumulate/select: avoid duplicate application, allow to defer decision about definedness;
wenzelm
parents: 52873
diff changeset
   365
        { case _ => Some(command_state.results) }).map(_.info)
50507
9605b0d93d1e more formal class Command.Results;
wenzelm
parents: 50502
diff changeset
   366
    (Command.Results.empty /: results)(_ ++ _)
50502
51408dde956f include command results in tooltip as well;
wenzelm
parents: 50501
diff changeset
   367
  }
51408dde956f include command results in tooltip as well;
wenzelm
parents: 50501
diff changeset
   368
55620
19dffae33cde cumulate/select wrt. precise elements guard;
wenzelm
parents: 55619
diff changeset
   369
  private val tooltip_message_elements =
19dffae33cde cumulate/select wrt. precise elements guard;
wenzelm
parents: 55619
diff changeset
   370
    Set(Markup.WRITELN, Markup.WARNING, Markup.ERROR, Markup.BAD)
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wenzelm
parents: 55619
diff changeset
   371
51496
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parents: 50895
diff changeset
   372
  def tooltip_message(range: Text.Range): Option[Text.Info[XML.Body]] =
49356
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diff changeset
   373
  {
51496
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wenzelm
parents: 50895
diff changeset
   374
    val results =
55620
19dffae33cde cumulate/select wrt. precise elements guard;
wenzelm
parents: 55619
diff changeset
   375
      snapshot.cumulate_markup[List[Text.Info[Command.Results.Entry]]](
19dffae33cde cumulate/select wrt. precise elements guard;
wenzelm
parents: 55619
diff changeset
   376
        range, Nil, tooltip_message_elements, _ =>
51496
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wenzelm
parents: 50895
diff changeset
   377
        {
cb677987b7e3 retain original tooltip range, to avoid repeated window popup when the mouse is moved over the same content;
wenzelm
parents: 50895
diff changeset
   378
          case (msgs, Text.Info(info_range,
cb677987b7e3 retain original tooltip range, to avoid repeated window popup when the mouse is moved over the same content;
wenzelm
parents: 50895
diff changeset
   379
            XML.Elem(Markup(name, props @ Markup.Serial(serial)), body)))
cb677987b7e3 retain original tooltip range, to avoid repeated window popup when the mouse is moved over the same content;
wenzelm
parents: 50895
diff changeset
   380
          if name == Markup.WRITELN || name == Markup.WARNING || name == Markup.ERROR =>
cb677987b7e3 retain original tooltip range, to avoid repeated window popup when the mouse is moved over the same content;
wenzelm
parents: 50895
diff changeset
   381
            val entry: Command.Results.Entry =
cb677987b7e3 retain original tooltip range, to avoid repeated window popup when the mouse is moved over the same content;
wenzelm
parents: 50895
diff changeset
   382
              (serial -> XML.Elem(Markup(Markup.message(name), props), body))
52889
ea3338812e67 more tight interface for markup cumulate/select: avoid duplicate application, allow to defer decision about definedness;
wenzelm
parents: 52873
diff changeset
   383
            Some(Text.Info(snapshot.convert(info_range), entry) :: msgs)
51496
cb677987b7e3 retain original tooltip range, to avoid repeated window popup when the mouse is moved over the same content;
wenzelm
parents: 50895
diff changeset
   384
cb677987b7e3 retain original tooltip range, to avoid repeated window popup when the mouse is moved over the same content;
wenzelm
parents: 50895
diff changeset
   385
          case (msgs, Text.Info(info_range, msg @ XML.Elem(Markup(Markup.BAD, _), body)))
cb677987b7e3 retain original tooltip range, to avoid repeated window popup when the mouse is moved over the same content;
wenzelm
parents: 50895
diff changeset
   386
          if !body.isEmpty =>
52530
99dd8b4ef3fe explicit module Document_ID as source of globally unique identifiers across ML/Scala;
wenzelm
parents: 52472
diff changeset
   387
            val entry: Command.Results.Entry = (Document_ID.make(), msg)
52889
ea3338812e67 more tight interface for markup cumulate/select: avoid duplicate application, allow to defer decision about definedness;
wenzelm
parents: 52873
diff changeset
   388
            Some(Text.Info(snapshot.convert(info_range), entry) :: msgs)
ea3338812e67 more tight interface for markup cumulate/select: avoid duplicate application, allow to defer decision about definedness;
wenzelm
parents: 52873
diff changeset
   389
ea3338812e67 more tight interface for markup cumulate/select: avoid duplicate application, allow to defer decision about definedness;
wenzelm
parents: 52873
diff changeset
   390
          case _ => None
52900
d29bf6db8a2d more elementary list structures for markup tree traversal;
wenzelm
parents: 52890
diff changeset
   391
        }).flatMap(_.info)
51496
cb677987b7e3 retain original tooltip range, to avoid repeated window popup when the mouse is moved over the same content;
wenzelm
parents: 50895
diff changeset
   392
    if (results.isEmpty) None
cb677987b7e3 retain original tooltip range, to avoid repeated window popup when the mouse is moved over the same content;
wenzelm
parents: 50895
diff changeset
   393
    else {
cb677987b7e3 retain original tooltip range, to avoid repeated window popup when the mouse is moved over the same content;
wenzelm
parents: 50895
diff changeset
   394
      val r = Text.Range(results.head.range.start, results.last.range.stop)
cb677987b7e3 retain original tooltip range, to avoid repeated window popup when the mouse is moved over the same content;
wenzelm
parents: 50895
diff changeset
   395
      val msgs = Command.Results.make(results.map(_.info))
cb677987b7e3 retain original tooltip range, to avoid repeated window popup when the mouse is moved over the same content;
wenzelm
parents: 50895
diff changeset
   396
      Some(Text.Info(r, Pretty.separate(msgs.entries.map(_._2).toList)))
cb677987b7e3 retain original tooltip range, to avoid repeated window popup when the mouse is moved over the same content;
wenzelm
parents: 50895
diff changeset
   397
    }
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   398
  }
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   399
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   400
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   401
  private val tooltips: Map[String, String] =
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   402
    Map(
50201
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   403
      Markup.TOKEN_RANGE -> "inner syntax token",
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   404
      Markup.FREE -> "free variable",
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   405
      Markup.SKOLEM -> "skolem variable",
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   406
      Markup.BOUND -> "bound variable",
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   407
      Markup.VAR -> "schematic variable",
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   408
      Markup.TFREE -> "free type variable",
55552
bcc643ac071a generic markup for embedded languages;
wenzelm
parents: 55547
diff changeset
   409
      Markup.TVAR -> "schematic type variable")
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   410
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   411
  private val tooltip_elements =
55552
bcc643ac071a generic markup for embedded languages;
wenzelm
parents: 55547
diff changeset
   412
    Set(Markup.LANGUAGE, Markup.TIMING, Markup.ENTITY, Markup.SORTING,
bcc643ac071a generic markup for embedded languages;
wenzelm
parents: 55547
diff changeset
   413
      Markup.TYPING, Markup.ML_TYPING, Markup.PATH, Markup.URL) ++
bcc643ac071a generic markup for embedded languages;
wenzelm
parents: 55547
diff changeset
   414
      tooltips.keys
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   415
49700
2d1cbdf6a68b Rich_Text_Area tooltips via nested Pretty_Text_Area, based on some techniques of FoldViewer plugin;
wenzelm
parents: 49674
diff changeset
   416
  private def pretty_typing(kind: String, body: XML.Body): XML.Tree =
2d1cbdf6a68b Rich_Text_Area tooltips via nested Pretty_Text_Area, based on some techniques of FoldViewer plugin;
wenzelm
parents: 49674
diff changeset
   417
    Pretty.block(XML.Text(kind) :: Pretty.Break(1) :: body)
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   418
51588
167e2d64327a tooltip of command keyword includes timing information;
wenzelm
parents: 51574
diff changeset
   419
  private val timing_threshold: Double = options.real("jedit_timing_threshold")
167e2d64327a tooltip of command keyword includes timing information;
wenzelm
parents: 51574
diff changeset
   420
51496
cb677987b7e3 retain original tooltip range, to avoid repeated window popup when the mouse is moved over the same content;
wenzelm
parents: 50895
diff changeset
   421
  def tooltip(range: Text.Range): Option[Text.Info[XML.Body]] =
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   422
  {
55622
ce575c2212fc clarified markup cumulation order (see also 25306d92f4ad and 0009a6ebc83b), e.g. relevant for completion_context;
wenzelm
parents: 55620
diff changeset
   423
    def add(prev: Text.Info[(Timing, Vector[(Boolean, XML.Tree)])],
ce575c2212fc clarified markup cumulation order (see also 25306d92f4ad and 0009a6ebc83b), e.g. relevant for completion_context;
wenzelm
parents: 55620
diff changeset
   424
      r0: Text.Range, p: (Boolean, XML.Tree)): Text.Info[(Timing, Vector[(Boolean, XML.Tree)])] =
51496
cb677987b7e3 retain original tooltip range, to avoid repeated window popup when the mouse is moved over the same content;
wenzelm
parents: 50895
diff changeset
   425
    {
cb677987b7e3 retain original tooltip range, to avoid repeated window popup when the mouse is moved over the same content;
wenzelm
parents: 50895
diff changeset
   426
      val r = snapshot.convert(r0)
51588
167e2d64327a tooltip of command keyword includes timing information;
wenzelm
parents: 51574
diff changeset
   427
      val (t, info) = prev.info
55622
ce575c2212fc clarified markup cumulation order (see also 25306d92f4ad and 0009a6ebc83b), e.g. relevant for completion_context;
wenzelm
parents: 55620
diff changeset
   428
      if (prev.range == r)
ce575c2212fc clarified markup cumulation order (see also 25306d92f4ad and 0009a6ebc83b), e.g. relevant for completion_context;
wenzelm
parents: 55620
diff changeset
   429
        Text.Info(r, (t, info :+ p))
ce575c2212fc clarified markup cumulation order (see also 25306d92f4ad and 0009a6ebc83b), e.g. relevant for completion_context;
wenzelm
parents: 55620
diff changeset
   430
      else Text.Info(r, (t, Vector(p)))
51496
cb677987b7e3 retain original tooltip range, to avoid repeated window popup when the mouse is moved over the same content;
wenzelm
parents: 50895
diff changeset
   431
    }
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   432
51496
cb677987b7e3 retain original tooltip range, to avoid repeated window popup when the mouse is moved over the same content;
wenzelm
parents: 50895
diff changeset
   433
    val results =
55622
ce575c2212fc clarified markup cumulation order (see also 25306d92f4ad and 0009a6ebc83b), e.g. relevant for completion_context;
wenzelm
parents: 55620
diff changeset
   434
      snapshot.cumulate_markup[Text.Info[(Timing, Vector[(Boolean, XML.Tree)])]](
ce575c2212fc clarified markup cumulation order (see also 25306d92f4ad and 0009a6ebc83b), e.g. relevant for completion_context;
wenzelm
parents: 55620
diff changeset
   435
        range, Text.Info(range, (Timing.zero, Vector.empty)), tooltip_elements, _ =>
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   436
        {
51588
167e2d64327a tooltip of command keyword includes timing information;
wenzelm
parents: 51574
diff changeset
   437
          case (Text.Info(r, (t1, info)), Text.Info(_, XML.Elem(Markup.Timing(t2), _))) =>
52889
ea3338812e67 more tight interface for markup cumulate/select: avoid duplicate application, allow to defer decision about definedness;
wenzelm
parents: 52873
diff changeset
   438
            Some(Text.Info(r, (t1 + t2, info)))
50201
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   439
          case (prev, Text.Info(r, XML.Elem(Markup.Entity(kind, name), _))) =>
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   440
            val kind1 = space_explode('_', kind).mkString(" ")
51588
167e2d64327a tooltip of command keyword includes timing information;
wenzelm
parents: 51574
diff changeset
   441
            val txt1 = kind1 + " " + quote(name)
167e2d64327a tooltip of command keyword includes timing information;
wenzelm
parents: 51574
diff changeset
   442
            val t = prev.info._1
167e2d64327a tooltip of command keyword includes timing information;
wenzelm
parents: 51574
diff changeset
   443
            val txt2 =
167e2d64327a tooltip of command keyword includes timing information;
wenzelm
parents: 51574
diff changeset
   444
              if (kind == Markup.COMMAND && t.elapsed.seconds >= timing_threshold)
167e2d64327a tooltip of command keyword includes timing information;
wenzelm
parents: 51574
diff changeset
   445
                "\n" + t.message
167e2d64327a tooltip of command keyword includes timing information;
wenzelm
parents: 51574
diff changeset
   446
              else ""
52889
ea3338812e67 more tight interface for markup cumulate/select: avoid duplicate application, allow to defer decision about definedness;
wenzelm
parents: 52873
diff changeset
   447
            Some(add(prev, r, (true, XML.Text(txt1 + txt2))))
50201
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   448
          case (prev, Text.Info(r, XML.Elem(Markup.Path(name), _)))
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   449
          if Path.is_ok(name) =>
54515
570ba266f5b5 clarified boundary cases of Document.Node.Name;
wenzelm
parents: 53571
diff changeset
   450
            val jedit_file = PIDE.thy_load.append(snapshot.node_name.master_dir, Path.explode(name))
52889
ea3338812e67 more tight interface for markup cumulate/select: avoid duplicate application, allow to defer decision about definedness;
wenzelm
parents: 52873
diff changeset
   451
            Some(add(prev, r, (true, XML.Text("file " + quote(jedit_file)))))
54702
3daeba5130f0 added document antiquotation @{url}, which produces formal markup for LaTeX and PIDE;
wenzelm
parents: 54515
diff changeset
   452
          case (prev, Text.Info(r, XML.Elem(Markup.Url(name), _))) =>
3daeba5130f0 added document antiquotation @{url}, which produces formal markup for LaTeX and PIDE;
wenzelm
parents: 54515
diff changeset
   453
            Some(add(prev, r, (true, XML.Text("URL " + quote(name)))))
49674
dbadb4d03cbc report sort assignment of visible type variables;
wenzelm
parents: 49554
diff changeset
   454
          case (prev, Text.Info(r, XML.Elem(Markup(name, _), body)))
50201
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   455
          if name == Markup.SORTING || name == Markup.TYPING =>
52889
ea3338812e67 more tight interface for markup cumulate/select: avoid duplicate application, allow to defer decision about definedness;
wenzelm
parents: 52873
diff changeset
   456
            Some(add(prev, r, (true, pretty_typing("::", body))))
50201
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   457
          case (prev, Text.Info(r, XML.Elem(Markup(Markup.ML_TYPING, _), body))) =>
52889
ea3338812e67 more tight interface for markup cumulate/select: avoid duplicate application, allow to defer decision about definedness;
wenzelm
parents: 52873
diff changeset
   458
            Some(add(prev, r, (false, pretty_typing("ML:", body))))
55615
bf4bbe72f740 completion of keywords and symbols based on language context;
wenzelm
parents: 55552
diff changeset
   459
          case (prev, Text.Info(r, XML.Elem(Markup.Language(language, _), _))) =>
bf4bbe72f740 completion of keywords and symbols based on language context;
wenzelm
parents: 55552
diff changeset
   460
            Some(add(prev, r, (true, XML.Text("language: " + language))))
52889
ea3338812e67 more tight interface for markup cumulate/select: avoid duplicate application, allow to defer decision about definedness;
wenzelm
parents: 52873
diff changeset
   461
          case (prev, Text.Info(r, XML.Elem(Markup(name, _), _))) =>
ea3338812e67 more tight interface for markup cumulate/select: avoid duplicate application, allow to defer decision about definedness;
wenzelm
parents: 52873
diff changeset
   462
            if (tooltips.isDefinedAt(name))
ea3338812e67 more tight interface for markup cumulate/select: avoid duplicate application, allow to defer decision about definedness;
wenzelm
parents: 52873
diff changeset
   463
              Some(add(prev, r, (true, XML.Text(tooltips(name)))))
ea3338812e67 more tight interface for markup cumulate/select: avoid duplicate application, allow to defer decision about definedness;
wenzelm
parents: 52873
diff changeset
   464
            else None
52900
d29bf6db8a2d more elementary list structures for markup tree traversal;
wenzelm
parents: 52890
diff changeset
   465
        }).map(_.info)
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   466
55622
ce575c2212fc clarified markup cumulation order (see also 25306d92f4ad and 0009a6ebc83b), e.g. relevant for completion_context;
wenzelm
parents: 55620
diff changeset
   467
    results.map(_.info).flatMap(res => res._2.toList) match {
51496
cb677987b7e3 retain original tooltip range, to avoid repeated window popup when the mouse is moved over the same content;
wenzelm
parents: 50895
diff changeset
   468
      case Nil => None
cb677987b7e3 retain original tooltip range, to avoid repeated window popup when the mouse is moved over the same content;
wenzelm
parents: 50895
diff changeset
   469
      case tips =>
cb677987b7e3 retain original tooltip range, to avoid repeated window popup when the mouse is moved over the same content;
wenzelm
parents: 50895
diff changeset
   470
        val r = Text.Range(results.head.range.start, results.last.range.stop)
cb677987b7e3 retain original tooltip range, to avoid repeated window popup when the mouse is moved over the same content;
wenzelm
parents: 50895
diff changeset
   471
        val all_tips = (tips.filter(_._1) ++ tips.filter(!_._1).lastOption.toList).map(_._2)
cb677987b7e3 retain original tooltip range, to avoid repeated window popup when the mouse is moved over the same content;
wenzelm
parents: 50895
diff changeset
   472
        Some(Text.Info(r, Library.separate(Pretty.FBreak, all_tips)))
cb677987b7e3 retain original tooltip range, to avoid repeated window popup when the mouse is moved over the same content;
wenzelm
parents: 50895
diff changeset
   473
    }
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   474
  }
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   475
50554
0493efcc97e9 more general handling of graphics configurations, to increase chance of proper positioning of tooltips in multi-screen environment;
wenzelm
parents: 50547
diff changeset
   476
  val tooltip_margin: Int = options.int("jedit_tooltip_margin")
0493efcc97e9 more general handling of graphics configurations, to increase chance of proper positioning of tooltips in multi-screen environment;
wenzelm
parents: 50547
diff changeset
   477
52873
9e934d4fff00 tuned signature;
wenzelm
parents: 52650
diff changeset
   478
  lazy val tooltip_close_icon = JEdit_Lib.load_icon(options.string("tooltip_close_icon"))
9e934d4fff00 tuned signature;
wenzelm
parents: 52650
diff changeset
   479
  lazy val tooltip_detach_icon = JEdit_Lib.load_icon(options.string("tooltip_detach_icon"))
52472
3a43a8b1ecb0 load icons via options -- prefer IntelliJ IDEA for now;
wenzelm
parents: 52471
diff changeset
   480
3a43a8b1ecb0 load icons via options -- prefer IntelliJ IDEA for now;
wenzelm
parents: 52471
diff changeset
   481
3a43a8b1ecb0 load icons via options -- prefer IntelliJ IDEA for now;
wenzelm
parents: 52471
diff changeset
   482
  private lazy val gutter_icons = Map(
52873
9e934d4fff00 tuned signature;
wenzelm
parents: 52650
diff changeset
   483
    Rendering.information_pri -> JEdit_Lib.load_icon(options.string("gutter_information_icon")),
9e934d4fff00 tuned signature;
wenzelm
parents: 52650
diff changeset
   484
    Rendering.warning_pri -> JEdit_Lib.load_icon(options.string("gutter_warning_icon")),
9e934d4fff00 tuned signature;
wenzelm
parents: 52650
diff changeset
   485
    Rendering.legacy_pri -> JEdit_Lib.load_icon(options.string("gutter_legacy_icon")),
9e934d4fff00 tuned signature;
wenzelm
parents: 52650
diff changeset
   486
    Rendering.error_pri -> JEdit_Lib.load_icon(options.string("gutter_error_icon")))
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   487
55620
19dffae33cde cumulate/select wrt. precise elements guard;
wenzelm
parents: 55619
diff changeset
   488
  private val gutter_elements =
19dffae33cde cumulate/select wrt. precise elements guard;
wenzelm
parents: 55619
diff changeset
   489
    Set(Markup.WRITELN, Markup.WARNING, Markup.ERROR)
52644
cea207576f81 gutter icon for information messages;
wenzelm
parents: 52643
diff changeset
   490
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   491
  def gutter_message(range: Text.Range): Option[Icon] =
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   492
  {
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   493
    val results =
55620
19dffae33cde cumulate/select wrt. precise elements guard;
wenzelm
parents: 55619
diff changeset
   494
      snapshot.cumulate_markup[Int](range, 0, gutter_elements, _ =>
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   495
        {
52644
cea207576f81 gutter icon for information messages;
wenzelm
parents: 52643
diff changeset
   496
          case (pri, Text.Info(_, XML.Elem(Markup(Markup.WRITELN, _),
cea207576f81 gutter icon for information messages;
wenzelm
parents: 52643
diff changeset
   497
              List(XML.Elem(Markup(Markup.INFORMATION, _), _))))) =>
52889
ea3338812e67 more tight interface for markup cumulate/select: avoid duplicate application, allow to defer decision about definedness;
wenzelm
parents: 52873
diff changeset
   498
            Some(pri max Rendering.information_pri)
50201
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   499
          case (pri, Text.Info(_, XML.Elem(Markup(Markup.WARNING, _), body))) =>
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   500
            body match {
50201
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   501
              case List(XML.Elem(Markup(Markup.LEGACY, _), _)) =>
52889
ea3338812e67 more tight interface for markup cumulate/select: avoid duplicate application, allow to defer decision about definedness;
wenzelm
parents: 52873
diff changeset
   502
                Some(pri max Rendering.legacy_pri)
ea3338812e67 more tight interface for markup cumulate/select: avoid duplicate application, allow to defer decision about definedness;
wenzelm
parents: 52873
diff changeset
   503
              case _ =>
ea3338812e67 more tight interface for markup cumulate/select: avoid duplicate application, allow to defer decision about definedness;
wenzelm
parents: 52873
diff changeset
   504
                Some(pri max Rendering.warning_pri)
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   505
            }
50201
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   506
          case (pri, Text.Info(_, XML.Elem(Markup(Markup.ERROR, _), _))) =>
52889
ea3338812e67 more tight interface for markup cumulate/select: avoid duplicate application, allow to defer decision about definedness;
wenzelm
parents: 52873
diff changeset
   507
            Some(pri max Rendering.error_pri)
ea3338812e67 more tight interface for markup cumulate/select: avoid duplicate application, allow to defer decision about definedness;
wenzelm
parents: 52873
diff changeset
   508
          case _ => None
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   509
        })
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   510
    val pri = (0 /: results) { case (p1, Text.Info(_, p2)) => p1 max p2 }
52472
3a43a8b1ecb0 load icons via options -- prefer IntelliJ IDEA for now;
wenzelm
parents: 52471
diff changeset
   511
    gutter_icons.get(pri)
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   512
  }
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   513
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   514
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   515
  private val squiggly_colors = Map(
50199
6d04e2422769 quasi-abstract module Rendering, with Isabelle-specific implementation;
wenzelm
parents: 50196
diff changeset
   516
    Rendering.writeln_pri -> writeln_color,
52650
4cf6fbf1d9a1 more rendering for information messages;
wenzelm
parents: 52644
diff changeset
   517
    Rendering.information_pri -> information_color,
50199
6d04e2422769 quasi-abstract module Rendering, with Isabelle-specific implementation;
wenzelm
parents: 50196
diff changeset
   518
    Rendering.warning_pri -> warning_color,
6d04e2422769 quasi-abstract module Rendering, with Isabelle-specific implementation;
wenzelm
parents: 50196
diff changeset
   519
    Rendering.error_pri -> error_color)
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   520
55619
wenzelm
parents: 55616
diff changeset
   521
  private val squiggly_elements = Set(Markup.WRITELN, Markup.WARNING, Markup.ERROR)
52644
cea207576f81 gutter icon for information messages;
wenzelm
parents: 52643
diff changeset
   522
52900
d29bf6db8a2d more elementary list structures for markup tree traversal;
wenzelm
parents: 52890
diff changeset
   523
  def squiggly_underline(range: Text.Range): List[Text.Info[Color]] =
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   524
  {
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   525
    val results =
55620
19dffae33cde cumulate/select wrt. precise elements guard;
wenzelm
parents: 55619
diff changeset
   526
      snapshot.cumulate_markup[Int](range, 0, squiggly_elements, _ =>
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   527
        {
52890
36e2c0c308eb tuned signature;
wenzelm
parents: 52889
diff changeset
   528
          case (pri, Text.Info(_, elem)) =>
36e2c0c308eb tuned signature;
wenzelm
parents: 52889
diff changeset
   529
            if (Protocol.is_information(elem))
52889
ea3338812e67 more tight interface for markup cumulate/select: avoid duplicate application, allow to defer decision about definedness;
wenzelm
parents: 52873
diff changeset
   530
              Some(pri max Rendering.information_pri)
55620
19dffae33cde cumulate/select wrt. precise elements guard;
wenzelm
parents: 55619
diff changeset
   531
            else
52890
36e2c0c308eb tuned signature;
wenzelm
parents: 52889
diff changeset
   532
              Some(pri max Rendering.message_pri(elem.name))
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   533
        })
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   534
    for {
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   535
      Text.Info(r, pri) <- results
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   536
      color <- squiggly_colors.get(pri)
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   537
    } yield Text.Info(r, color)
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   538
  }
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   539
49474
e7ff10e1a155 clarified message background;
wenzelm
parents: 49473
diff changeset
   540
e7ff10e1a155 clarified message background;
wenzelm
parents: 49473
diff changeset
   541
  private val message_colors = Map(
50199
6d04e2422769 quasi-abstract module Rendering, with Isabelle-specific implementation;
wenzelm
parents: 50196
diff changeset
   542
    Rendering.writeln_pri -> writeln_message_color,
52650
4cf6fbf1d9a1 more rendering for information messages;
wenzelm
parents: 52644
diff changeset
   543
    Rendering.information_pri -> information_message_color,
50199
6d04e2422769 quasi-abstract module Rendering, with Isabelle-specific implementation;
wenzelm
parents: 50196
diff changeset
   544
    Rendering.tracing_pri -> tracing_message_color,
6d04e2422769 quasi-abstract module Rendering, with Isabelle-specific implementation;
wenzelm
parents: 50196
diff changeset
   545
    Rendering.warning_pri -> warning_message_color,
6d04e2422769 quasi-abstract module Rendering, with Isabelle-specific implementation;
wenzelm
parents: 50196
diff changeset
   546
    Rendering.error_pri -> error_message_color)
49474
e7ff10e1a155 clarified message background;
wenzelm
parents: 49473
diff changeset
   547
52650
4cf6fbf1d9a1 more rendering for information messages;
wenzelm
parents: 52644
diff changeset
   548
  private val line_background_elements =
4cf6fbf1d9a1 more rendering for information messages;
wenzelm
parents: 52644
diff changeset
   549
    Set(Markup.WRITELN_MESSAGE, Markup.TRACING_MESSAGE, Markup.WARNING_MESSAGE,
4cf6fbf1d9a1 more rendering for information messages;
wenzelm
parents: 52644
diff changeset
   550
      Markup.ERROR_MESSAGE, Markup.INFORMATION)
4cf6fbf1d9a1 more rendering for information messages;
wenzelm
parents: 52644
diff changeset
   551
49473
ca7e2c21b104 tuned rendering;
wenzelm
parents: 49423
diff changeset
   552
  def line_background(range: Text.Range): Option[(Color, Boolean)] =
ca7e2c21b104 tuned rendering;
wenzelm
parents: 49423
diff changeset
   553
  {
49474
e7ff10e1a155 clarified message background;
wenzelm
parents: 49473
diff changeset
   554
    val results =
55620
19dffae33cde cumulate/select wrt. precise elements guard;
wenzelm
parents: 55619
diff changeset
   555
      snapshot.cumulate_markup[Int](range, 0, line_background_elements, _ =>
49473
ca7e2c21b104 tuned rendering;
wenzelm
parents: 49423
diff changeset
   556
        {
52890
36e2c0c308eb tuned signature;
wenzelm
parents: 52889
diff changeset
   557
          case (pri, Text.Info(_, elem)) =>
55623
wenzelm
parents: 55622
diff changeset
   558
            if (elem.name == Markup.INFORMATION)
52890
36e2c0c308eb tuned signature;
wenzelm
parents: 52889
diff changeset
   559
              Some(pri max Rendering.information_pri)
55623
wenzelm
parents: 55622
diff changeset
   560
            else
wenzelm
parents: 55622
diff changeset
   561
              Some(pri max Rendering.message_pri(elem.name))
49474
e7ff10e1a155 clarified message background;
wenzelm
parents: 49473
diff changeset
   562
        })
e7ff10e1a155 clarified message background;
wenzelm
parents: 49473
diff changeset
   563
    val pri = (0 /: results) { case (p1, Text.Info(_, p2)) => p1 max p2 }
e7ff10e1a155 clarified message background;
wenzelm
parents: 49473
diff changeset
   564
55623
wenzelm
parents: 55622
diff changeset
   565
    val is_separator =
wenzelm
parents: 55622
diff changeset
   566
      pri > 0 &&
55620
19dffae33cde cumulate/select wrt. precise elements guard;
wenzelm
parents: 55619
diff changeset
   567
      snapshot.cumulate_markup[Boolean](range, false, Set(Markup.SEPARATOR), _ =>
49473
ca7e2c21b104 tuned rendering;
wenzelm
parents: 49423
diff changeset
   568
        {
55623
wenzelm
parents: 55622
diff changeset
   569
          case _ => Some(true)
49473
ca7e2c21b104 tuned rendering;
wenzelm
parents: 49423
diff changeset
   570
        }).exists(_.info)
ca7e2c21b104 tuned rendering;
wenzelm
parents: 49423
diff changeset
   571
49474
e7ff10e1a155 clarified message background;
wenzelm
parents: 49473
diff changeset
   572
    message_colors.get(pri).map((_, is_separator))
49473
ca7e2c21b104 tuned rendering;
wenzelm
parents: 49423
diff changeset
   573
  }
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   574
49492
2e3e7ea5ce8e some support for hovering and sendback area;
wenzelm
parents: 49476
diff changeset
   575
50500
c94bba7906d2 identify dialogs via official serial and maintain as result message;
wenzelm
parents: 50499
diff changeset
   576
  def output_messages(st: Command.State): List[XML.Tree] =
50507
9605b0d93d1e more formal class Command.Results;
wenzelm
parents: 50502
diff changeset
   577
    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
   578
c94bba7906d2 identify dialogs via official serial and maintain as result message;
wenzelm
parents: 50499
diff changeset
   579
55619
wenzelm
parents: 55616
diff changeset
   580
  private val background1_elements =
50201
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   581
    Protocol.command_status_markup + Markup.WRITELN_MESSAGE + Markup.TRACING_MESSAGE +
52650
4cf6fbf1d9a1 more rendering for information messages;
wenzelm
parents: 52644
diff changeset
   582
      Markup.WARNING_MESSAGE + Markup.ERROR_MESSAGE + Markup.BAD + Markup.INTENSIFY ++
55619
wenzelm
parents: 55616
diff changeset
   583
      active_elements
49492
2e3e7ea5ce8e some support for hovering and sendback area;
wenzelm
parents: 49476
diff changeset
   584
52900
d29bf6db8a2d more elementary list structures for markup tree traversal;
wenzelm
parents: 52890
diff changeset
   585
  def background1(range: Text.Range): List[Text.Info[Color]] =
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   586
  {
52900
d29bf6db8a2d more elementary list structures for markup tree traversal;
wenzelm
parents: 52890
diff changeset
   587
    if (snapshot.is_outdated) List(Text.Info(range, outdated_color))
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   588
    else
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   589
      for {
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   590
        Text.Info(r, result) <-
50500
c94bba7906d2 identify dialogs via official serial and maintain as result message;
wenzelm
parents: 50499
diff changeset
   591
          snapshot.cumulate_markup[(Option[Protocol.Status], Option[Color])](
55620
19dffae33cde cumulate/select wrt. precise elements guard;
wenzelm
parents: 55619
diff changeset
   592
            range, (Some(Protocol.Status.init), None), background1_elements, command_state =>
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   593
            {
50500
c94bba7906d2 identify dialogs via official serial and maintain as result message;
wenzelm
parents: 50499
diff changeset
   594
              case (((Some(status), color), Text.Info(_, XML.Elem(markup, _))))
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   595
              if (Protocol.command_status_markup(markup.name)) =>
52889
ea3338812e67 more tight interface for markup cumulate/select: avoid duplicate application, allow to defer decision about definedness;
wenzelm
parents: 52873
diff changeset
   596
                Some((Some(Protocol.command_status(status, markup)), color))
50500
c94bba7906d2 identify dialogs via official serial and maintain as result message;
wenzelm
parents: 50499
diff changeset
   597
              case (_, Text.Info(_, XML.Elem(Markup(Markup.BAD, _), _))) =>
52889
ea3338812e67 more tight interface for markup cumulate/select: avoid duplicate application, allow to defer decision about definedness;
wenzelm
parents: 52873
diff changeset
   598
                Some((None, Some(bad_color)))
50500
c94bba7906d2 identify dialogs via official serial and maintain as result message;
wenzelm
parents: 50499
diff changeset
   599
              case (_, Text.Info(_, XML.Elem(Markup(Markup.INTENSIFY, _), _))) =>
52889
ea3338812e67 more tight interface for markup cumulate/select: avoid duplicate application, allow to defer decision about definedness;
wenzelm
parents: 52873
diff changeset
   600
                Some((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
   601
              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
   602
                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
   603
                  case Some(Protocol.Dialog_Result(res)) if res == result =>
52889
ea3338812e67 more tight interface for markup cumulate/select: avoid duplicate application, allow to defer decision about definedness;
wenzelm
parents: 52873
diff changeset
   604
                    Some((None, Some(active_result_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
   605
                  case _ =>
52889
ea3338812e67 more tight interface for markup cumulate/select: avoid duplicate application, allow to defer decision about definedness;
wenzelm
parents: 52873
diff changeset
   606
                    Some((None, Some(active_color)))
50500
c94bba7906d2 identify dialogs via official serial and maintain as result message;
wenzelm
parents: 50499
diff changeset
   607
                }
52890
36e2c0c308eb tuned signature;
wenzelm
parents: 52889
diff changeset
   608
              case (_, Text.Info(_, elem)) =>
55619
wenzelm
parents: 55616
diff changeset
   609
                if (active_elements(elem.name)) Some((None, Some(active_color)))
52889
ea3338812e67 more tight interface for markup cumulate/select: avoid duplicate application, allow to defer decision about definedness;
wenzelm
parents: 52873
diff changeset
   610
                else None
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   611
            })
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   612
        color <-
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   613
          (result match {
50500
c94bba7906d2 identify dialogs via official serial and maintain as result message;
wenzelm
parents: 50499
diff changeset
   614
            case (Some(status), opt_color) =>
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   615
              if (status.is_unprocessed) Some(unprocessed1_color)
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   616
              else if (status.is_running) Some(running1_color)
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   617
              else opt_color
50500
c94bba7906d2 identify dialogs via official serial and maintain as result message;
wenzelm
parents: 50499
diff changeset
   618
            case (_, opt_color) => opt_color
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   619
          })
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   620
      } yield Text.Info(r, color)
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   621
  }
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   622
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   623
52900
d29bf6db8a2d more elementary list structures for markup tree traversal;
wenzelm
parents: 52890
diff changeset
   624
  def background2(range: Text.Range): List[Text.Info[Color]] =
55623
wenzelm
parents: 55622
diff changeset
   625
    snapshot.select_markup(range, Set(Markup.TOKEN_RANGE), _ => _ => Some(light_color))
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   626
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   627
52900
d29bf6db8a2d more elementary list structures for markup tree traversal;
wenzelm
parents: 52890
diff changeset
   628
  def bullet(range: Text.Range): List[Text.Info[Color]] =
55623
wenzelm
parents: 55622
diff changeset
   629
    snapshot.select_markup(range, Set(Markup.BULLET), _ => _ => Some(bullet_color))
51574
2b58d7b139d6 ghost bullet via markup, which is painted as bar under text (normally space);
wenzelm
parents: 51496
diff changeset
   630
2b58d7b139d6 ghost bullet via markup, which is painted as bar under text (normally space);
wenzelm
parents: 51496
diff changeset
   631
55619
wenzelm
parents: 55616
diff changeset
   632
  private val foreground_elements =
55526
39708e59f4b0 more markup;
wenzelm
parents: 55514
diff changeset
   633
    Set(Markup.STRING, Markup.ALTSTRING, Markup.VERBATIM, Markup.CARTOUCHE, Markup.ANTIQUOTED)
52101
7679178b0aa5 less intrusive rendering of antiquoted text -- avoid visual clash with "blue variables" in particular;
wenzelm
parents: 52081
diff changeset
   634
52900
d29bf6db8a2d more elementary list structures for markup tree traversal;
wenzelm
parents: 52890
diff changeset
   635
  def foreground(range: Text.Range): List[Text.Info[Color]] =
55620
19dffae33cde cumulate/select wrt. precise elements guard;
wenzelm
parents: 55619
diff changeset
   636
    snapshot.select_markup(range, foreground_elements, _ =>
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   637
      {
52890
36e2c0c308eb tuned signature;
wenzelm
parents: 52889
diff changeset
   638
        case Text.Info(_, elem) =>
55620
19dffae33cde cumulate/select wrt. precise elements guard;
wenzelm
parents: 55619
diff changeset
   639
          if (elem.name == Markup.ANTIQUOTED) Some(antiquoted_color) else Some(quoted_color)
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   640
      })
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   641
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   642
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   643
  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
   644
      Markup.KEYWORD1 -> keyword1_color,
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   645
      Markup.KEYWORD2 -> keyword2_color,
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   646
      Markup.STRING -> Color.BLACK,
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   647
      Markup.ALTSTRING -> Color.BLACK,
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   648
      Markup.VERBATIM -> Color.BLACK,
55514
8ef781e282d9 more uniform rendering of text that is formally interpreted: avoid clash with inner markup;
wenzelm
parents: 55512
diff changeset
   649
      Markup.CARTOUCHE -> Color.BLACK,
50201
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   650
      Markup.LITERAL -> keyword1_color,
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   651
      Markup.DELIMITER -> Color.BLACK,
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   652
      Markup.TFREE -> tfree_color,
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   653
      Markup.TVAR -> tvar_color,
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   654
      Markup.FREE -> free_color,
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   655
      Markup.SKOLEM -> skolem_color,
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   656
      Markup.BOUND -> bound_color,
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   657
      Markup.VAR -> var_color,
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   658
      Markup.INNER_STRING -> inner_quoted_color,
55033
8e8243975860 support for nested text cartouches;
wenzelm
parents: 54702
diff changeset
   659
      Markup.INNER_CARTOUCHE -> inner_cartouche_color,
50201
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   660
      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
   661
      Markup.DYNAMIC_FACT -> dynamic_color,
55526
39708e59f4b0 more markup;
wenzelm
parents: 55514
diff changeset
   662
      Markup.ANTIQUOTE -> antiquote_color,
55505
2a1ca7f6607b more uniform ML keyword markup;
wenzelm
parents: 55503
diff changeset
   663
      Markup.ML_KEYWORD1 -> keyword1_color,
2a1ca7f6607b more uniform ML keyword markup;
wenzelm
parents: 55503
diff changeset
   664
      Markup.ML_KEYWORD2 -> keyword2_color,
2a1ca7f6607b more uniform ML keyword markup;
wenzelm
parents: 55503
diff changeset
   665
      Markup.ML_KEYWORD3 -> keyword3_color,
50201
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 50200
diff changeset
   666
      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
   667
      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
   668
      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
   669
      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
   670
      Markup.ML_COMMENT -> inner_comment_color)
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   671
52102
wenzelm
parents: 52101
diff changeset
   672
  private val text_color_elements = text_colors.keySet
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   673
52900
d29bf6db8a2d more elementary list structures for markup tree traversal;
wenzelm
parents: 52890
diff changeset
   674
  def text_color(range: Text.Range, color: Color): List[Text.Info[Color]] =
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   675
  {
52900
d29bf6db8a2d more elementary list structures for markup tree traversal;
wenzelm
parents: 52890
diff changeset
   676
    if (color == Token_Markup.hidden_color) List(Text.Info(range, color))
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
   677
    else
55620
19dffae33cde cumulate/select wrt. precise elements guard;
wenzelm
parents: 55619
diff changeset
   678
      snapshot.cumulate_markup(range, color, 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
   679
        {
52890
36e2c0c308eb tuned signature;
wenzelm
parents: 52889
diff changeset
   680
          case (_, Text.Info(_, elem)) => text_colors.get(elem.name)
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
   681
        })
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   682
  }
50542
58bd88159f8f fold handling within Pretty_Text_Area, based on formal document content, which is static here;
wenzelm
parents: 50507
diff changeset
   683
58bd88159f8f fold handling within Pretty_Text_Area, based on formal document content, which is static here;
wenzelm
parents: 50507
diff changeset
   684
58bd88159f8f fold handling within Pretty_Text_Area, based on formal document content, which is static here;
wenzelm
parents: 50507
diff changeset
   685
  /* 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
   686
55620
19dffae33cde cumulate/select wrt. precise elements guard;
wenzelm
parents: 55619
diff changeset
   687
  private val fold_depth_elements =
19dffae33cde cumulate/select wrt. precise elements guard;
wenzelm
parents: 55619
diff changeset
   688
    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
   689
52900
d29bf6db8a2d more elementary list structures for markup tree traversal;
wenzelm
parents: 52890
diff changeset
   690
  def fold_depth(range: Text.Range): List[Text.Info[Int]] =
55620
19dffae33cde cumulate/select wrt. precise elements guard;
wenzelm
parents: 55619
diff changeset
   691
    snapshot.cumulate_markup[Int](range, 0, fold_depth_elements, _ =>
50542
58bd88159f8f fold handling within Pretty_Text_Area, based on formal document content, which is static here;
wenzelm
parents: 50507
diff changeset
   692
      {
55620
19dffae33cde cumulate/select wrt. precise elements guard;
wenzelm
parents: 55619
diff changeset
   693
        case (depth, _) => Some(depth + 1)
50542
58bd88159f8f fold handling within Pretty_Text_Area, based on formal document content, which is static here;
wenzelm
parents: 50507
diff changeset
   694
      })
49356
6e0c0ffb6ec7 more static handling of rendering options;
wenzelm
parents: 49355
diff changeset
   695
}