src/Tools/jEdit/src/completion_popup.scala
author wenzelm
Sat, 04 Oct 2014 18:05:30 +0200
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parent 57833 2c2bae3da1c2
child 58549 d4d97b79f1fb
permissions -rw-r--r--
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/*  Title:      Tools/jEdit/src/completion_popup.scala
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    Author:     Makarius
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Completion popup.
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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, Font, Point, BorderLayout, Dimension}
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import java.awt.event.{KeyEvent, MouseEvent, MouseAdapter, FocusAdapter, FocusEvent}
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import java.io.{File => JFile}
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import java.util.regex.Pattern
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import javax.swing.{JPanel, JComponent, JLayeredPane, SwingUtilities}
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import javax.swing.border.LineBorder
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import javax.swing.text.DefaultCaret
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import scala.swing.{ListView, ScrollPane}
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import scala.swing.event.MouseClicked
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import org.gjt.sp.jedit.View
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import org.gjt.sp.jedit.textarea.{JEditTextArea, TextArea, Selection}
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import org.gjt.sp.jedit.gui.{HistoryTextField, KeyEventWorkaround}
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import org.gjt.sp.util.StandardUtilities
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object Completion_Popup
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{
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  /** items with HTML rendering **/
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  private class Item(val item: Completion.Item)
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  {
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    private val html =
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      item.description match {
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        case a :: bs =>
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          "<html><b>" + HTML.encode(a) + "</b>" +
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            HTML.encode(bs.map(" " + _).mkString) + "</html>"
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        case Nil => ""
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      }
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    override def toString: String = html
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  }
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  /** jEdit text area **/
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  object Text_Area
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  {
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    private val key = new Object
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    def apply(text_area: TextArea): Option[Completion_Popup.Text_Area] =
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    {
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      GUI_Thread.require {}
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      text_area.getClientProperty(key) match {
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        case text_area_completion: Completion_Popup.Text_Area => Some(text_area_completion)
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        case _ => None
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      }
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    }
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    def active_range(text_area: TextArea): Option[Text.Range] =
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      apply(text_area) match {
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        case Some(text_area_completion) => text_area_completion.active_range
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        case None => None
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      }
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    def action(text_area: TextArea, word_only: Boolean): Boolean =
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      apply(text_area) match {
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        case Some(text_area_completion) =>
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          if (text_area_completion.active_range.isDefined)
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            text_area_completion.action(word_only = word_only)
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          else
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            text_area_completion.action(immediate = true, explicit = true, word_only = word_only)
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          true
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        case None => false
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      }
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    def exit(text_area: JEditTextArea)
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    {
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      GUI_Thread.require {}
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      apply(text_area) match {
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        case None =>
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        case Some(text_area_completion) =>
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          text_area_completion.deactivate()
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          text_area.putClientProperty(key, null)
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      }
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    }
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    def init(text_area: JEditTextArea): Completion_Popup.Text_Area =
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    {
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      exit(text_area)
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      val text_area_completion = new Text_Area(text_area)
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      text_area.putClientProperty(key, text_area_completion)
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      text_area_completion.activate()
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      text_area_completion
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    }
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    def dismissed(text_area: TextArea): Boolean =
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    {
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      GUI_Thread.require {}
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      apply(text_area) match {
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        case Some(text_area_completion) => text_area_completion.dismissed()
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        case None => false
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      }
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    }
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  }
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  class Text_Area private(text_area: JEditTextArea)
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  {
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    // owned by GUI thread
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    private var completion_popup: Option[Completion_Popup] = None
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    def active_range: Option[Text.Range] =
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      completion_popup match {
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        case Some(completion) => completion.active_range
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        case None => None
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      }
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    /* rendering */
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    def rendering(rendering: Rendering, line_range: Text.Range): Option[Text.Info[Color]] =
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    {
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      active_range match {
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        case Some(range) => range.try_restrict(line_range)
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        case None =>
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          if (line_range.contains(text_area.getCaretPosition)) {
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            JEdit_Lib.before_caret_range(text_area, rendering).try_restrict(line_range) match {
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              case Some(range) if !range.is_singularity =>
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                rendering.semantic_completion(range) match {
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                  case Some(Text.Info(_, Completion.No_Completion)) => None
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                  case Some(Text.Info(range1, _: Completion.Names)) => Some(range1)
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                  case None =>
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                    Completion.Result.merge(Completion.History.empty,
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                      syntax_completion(Completion.History.empty, false, Some(rendering)),
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                      path_completion(rendering)).map(_.range)
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                }
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              case _ => None
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            }
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          }
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          else None
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      }
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    }.map(range => Text.Info(range, rendering.completion_color))
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    /* syntax completion */
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    def syntax_completion(
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      history: Completion.History,
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      explicit: Boolean,
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      opt_rendering: Option[Rendering]): Option[Completion.Result] =
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    {
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      val buffer = text_area.getBuffer
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      val decode = Isabelle_Encoding.is_active(buffer)
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      Isabelle.mode_syntax(JEdit_Lib.buffer_mode(buffer)) match {
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        case Some(syntax) =>
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          val context =
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            (for {
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              rendering <- opt_rendering
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              if PIDE.options.bool("jedit_completion_context")
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              range = JEdit_Lib.before_caret_range(text_area, rendering)
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              context <- rendering.language_context(range)
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            } yield context) getOrElse syntax.language_context
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          val caret = text_area.getCaretPosition
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          val line_range = JEdit_Lib.line_range(buffer, text_area.getCaretLine)
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          val line_start = line_range.start
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          for {
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            line_text <- JEdit_Lib.try_get_text(buffer, line_range)
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            result <-
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              syntax.completion.complete(
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                history, decode, explicit, line_start, line_text, caret - line_start, context)
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          } yield result
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        case None => None
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      }
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    }
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    /* spell-checker completion */
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    def spell_checker_completion(
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      explicit: Boolean,
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      rendering: Rendering): Option[Completion.Result] =
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    {
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      for {
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        spell_checker <- PIDE.spell_checker.get
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        if explicit
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        range = JEdit_Lib.before_caret_range(text_area, rendering)
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        word <- Spell_Checker.current_word(text_area, rendering, range)
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        words = spell_checker.complete(word.info)
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        if !words.isEmpty
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        descr = "(from dictionary " + quote(spell_checker.toString) + ")"
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        items =
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          words.map(w => Completion.Item(word.range, word.info, "", List(w, descr), w, 0, false))
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      } yield Completion.Result(word.range, word.info, false, items)
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    }
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    /* path completion */
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    def path_completion(rendering: Rendering): Option[Completion.Result] =
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    {
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      def complete(text: String): List[(String, List[String])] =
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      {
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        try {
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          val path = Path.explode(text)
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          val (dir, base_name) =
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            if (text == "" || text.endsWith("/")) (path, "")
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            else (path.dir, path.base.implode)
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          val directory =
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            new JFile(PIDE.resources.append(rendering.snapshot.node_name.master_dir, dir))
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          val files = directory.listFiles
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          if (files == null) Nil
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          else {
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            val ignore =
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              Library.space_explode(':', PIDE.options.string("jedit_completion_path_ignore")).
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                map(s => Pattern.compile(StandardUtilities.globToRE(s)))
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            (for {
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              file <- files.iterator
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              name = file.getName
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              if name.startsWith(base_name)
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              if !ignore.exists(pat => pat.matcher(name).matches)
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              text1 = (dir + Path.basic(name)).implode_short
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              if text != text1
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              is_dir = new JFile(directory, name).isDirectory
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              replacement = text1 + (if (is_dir) "/" else "")
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              descr = List(text1, if (is_dir) "(directory)" else "(file)")
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            } yield (replacement, descr)).take(PIDE.options.int("completion_limit")).toList
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          }
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        }
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        catch { case ERROR(_) => Nil }
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      }
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      for {
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        r1 <- rendering.language_path(JEdit_Lib.before_caret_range(text_area, rendering))
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        s1 <- JEdit_Lib.try_get_text(text_area.getBuffer, r1)
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        s2 <- Library.try_unquote(s1)
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        r2 = Text.Range(r1.start + 1, r1.stop - 1)
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        if Path.is_valid(s2)
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        paths = complete(s2)
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        if !paths.isEmpty
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        items = paths.map(p => Completion.Item(r2, s2, "", p._2, p._1, 0, false))
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      } yield Completion.Result(r2, s2, false, items)
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    }
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    /* completion action: text area */
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    private def insert(item: Completion.Item)
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    {
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      GUI_Thread.require {}
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      val buffer = text_area.getBuffer
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      val range = item.range
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      if (buffer.isEditable) {
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        JEdit_Lib.buffer_edit(buffer) {
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          JEdit_Lib.try_get_text(buffer, range) match {
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            case Some(text) if text == item.original =>
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              text_area.getSelectionAtOffset(text_area.getCaretPosition) match {
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                /*rectangular selection as "tall caret"*/
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                case selection : Selection.Rect
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                if selection.getStart(buffer, text_area.getCaretLine) == range.stop =>
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                  text_area.moveCaretPosition(range.stop)
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                  (0 until Character.codePointCount(item.original, 0, item.original.length))
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                    .foreach(_ => text_area.backspace())
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                  text_area.setSelectedText(selection, item.replacement)
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                  text_area.moveCaretPosition(text_area.getCaretPosition + item.move)
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                /*other selections: rectangular, multiple range, ...*/
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                case selection
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                if selection != null &&
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                    selection.getStart(buffer, text_area.getCaretLine) == range.start &&
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                    selection.getEnd(buffer, text_area.getCaretLine) == range.stop =>
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                  text_area.moveCaretPosition(range.stop + item.move)
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                  text_area.getSelection.foreach(text_area.setSelectedText(_, item.replacement))
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                /*no selection*/
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                case _ =>
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                  buffer.remove(range.start, range.length)
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                  buffer.insert(range.start, item.replacement)
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                  text_area.moveCaretPosition(range.start + item.replacement.length + item.move)
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              }
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   291
            case _ =>
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          }
53233
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   293
        }
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diff changeset
   294
      }
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   295
    }
53242
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   296
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   297
    def action(
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   298
      immediate: Boolean = false,
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   299
      explicit: Boolean = false,
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   300
      delayed: Boolean = false,
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   301
      word_only: Boolean = false): Boolean =
53292
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diff changeset
   302
    {
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diff changeset
   303
      val view = text_area.getView
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   304
      val layered = view.getLayeredPane
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   305
      val buffer = text_area.getBuffer
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   306
      val painter = text_area.getPainter
53273
473ea1ed7503 some completion options;
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parents: 53272
diff changeset
   307
55693
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diff changeset
   308
      val history = PIDE.completion_history.value
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diff changeset
   309
      val decode = Isabelle_Encoding.is_active(buffer)
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   310
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diff changeset
   311
      def open_popup(result: Completion.Result)
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   312
      {
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   313
        val font =
55825
694833e3e4a0 tuned signature -- separate module Font_Info;
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diff changeset
   314
          painter.getFont.deriveFont(
694833e3e4a0 tuned signature -- separate module Font_Info;
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diff changeset
   315
            Font_Info.main_size(PIDE.options.real("jedit_popup_font_scale")))
55693
93ba0085e888 try explicit semantic completion before syntax completion;
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   316
55711
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diff changeset
   317
        val range = result.range
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diff changeset
   318
9e3d64e5919a paint completion range of active popup;
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diff changeset
   319
        val loc1 = text_area.offsetToXY(range.start)
55693
93ba0085e888 try explicit semantic completion before syntax completion;
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diff changeset
   320
        if (loc1 != null) {
93ba0085e888 try explicit semantic completion before syntax completion;
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diff changeset
   321
          val loc2 =
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   322
            SwingUtilities.convertPoint(painter,
93ba0085e888 try explicit semantic completion before syntax completion;
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parents: 55692
diff changeset
   323
              loc1.x, loc1.y + painter.getFontMetrics.getHeight, layered)
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diff changeset
   324
55978
56645c447ee9 tuned description and its rendering;
wenzelm
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diff changeset
   325
          val items = result.items.map(new Item(_))
55693
93ba0085e888 try explicit semantic completion before syntax completion;
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diff changeset
   326
          val completion =
56197
416f7a00e4cb back to KeyEventInterceptor (see 423e29f1f304), but without focus change, which helps to avoid loosing key events due to quick opening and closing of popups;
wenzelm
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diff changeset
   327
            new Completion_Popup(Some(range), layered, loc2, font, items)
55978
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wenzelm
parents: 55914
diff changeset
   328
            {
55693
93ba0085e888 try explicit semantic completion before syntax completion;
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diff changeset
   329
              override def complete(item: Completion.Item) {
93ba0085e888 try explicit semantic completion before syntax completion;
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diff changeset
   330
                PIDE.completion_history.update(item)
93ba0085e888 try explicit semantic completion before syntax completion;
wenzelm
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diff changeset
   331
                insert(item)
93ba0085e888 try explicit semantic completion before syntax completion;
wenzelm
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diff changeset
   332
              }
93ba0085e888 try explicit semantic completion before syntax completion;
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diff changeset
   333
              override def propagate(evt: KeyEvent) {
56840
879fe16bd27c propagate more events, notably after hide_popup (e.g. LEFT, RIGHT);
wenzelm
parents: 56662
diff changeset
   334
                if (view.getKeyEventInterceptor == null)
879fe16bd27c propagate more events, notably after hide_popup (e.g. LEFT, RIGHT);
wenzelm
parents: 56662
diff changeset
   335
                  JEdit_Lib.propagate_key(view, evt)
879fe16bd27c propagate more events, notably after hide_popup (e.g. LEFT, RIGHT);
wenzelm
parents: 56662
diff changeset
   336
                else if (view.getKeyEventInterceptor == inner_key_listener) {
56197
416f7a00e4cb back to KeyEventInterceptor (see 423e29f1f304), but without focus change, which helps to avoid loosing key events due to quick opening and closing of popups;
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parents: 56177
diff changeset
   337
                  try {
416f7a00e4cb back to KeyEventInterceptor (see 423e29f1f304), but without focus change, which helps to avoid loosing key events due to quick opening and closing of popups;
wenzelm
parents: 56177
diff changeset
   338
                    view.setKeyEventInterceptor(null)
416f7a00e4cb back to KeyEventInterceptor (see 423e29f1f304), but without focus change, which helps to avoid loosing key events due to quick opening and closing of popups;
wenzelm
parents: 56177
diff changeset
   339
                    JEdit_Lib.propagate_key(view, evt)
416f7a00e4cb back to KeyEventInterceptor (see 423e29f1f304), but without focus change, which helps to avoid loosing key events due to quick opening and closing of popups;
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parents: 56177
diff changeset
   340
                  }
416f7a00e4cb back to KeyEventInterceptor (see 423e29f1f304), but without focus change, which helps to avoid loosing key events due to quick opening and closing of popups;
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parents: 56177
diff changeset
   341
                  finally {
416f7a00e4cb back to KeyEventInterceptor (see 423e29f1f304), but without focus change, which helps to avoid loosing key events due to quick opening and closing of popups;
wenzelm
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diff changeset
   342
                    if (isDisplayable) view.setKeyEventInterceptor(inner_key_listener)
416f7a00e4cb back to KeyEventInterceptor (see 423e29f1f304), but without focus change, which helps to avoid loosing key events due to quick opening and closing of popups;
wenzelm
parents: 56177
diff changeset
   343
                  }
416f7a00e4cb back to KeyEventInterceptor (see 423e29f1f304), but without focus change, which helps to avoid loosing key events due to quick opening and closing of popups;
wenzelm
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diff changeset
   344
                }
56171
15351577da10 clarified key event propagation, in accordance to outer_key_listener;
wenzelm
parents: 56170
diff changeset
   345
                if (evt.getID == KeyEvent.KEY_TYPED) input(evt)
55693
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parents: 55692
diff changeset
   346
              }
56197
416f7a00e4cb back to KeyEventInterceptor (see 423e29f1f304), but without focus change, which helps to avoid loosing key events due to quick opening and closing of popups;
wenzelm
parents: 56177
diff changeset
   347
              override def shutdown(focus: Boolean) {
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wenzelm
parents: 56177
diff changeset
   348
                if (view.getKeyEventInterceptor == inner_key_listener)
416f7a00e4cb back to KeyEventInterceptor (see 423e29f1f304), but without focus change, which helps to avoid loosing key events due to quick opening and closing of popups;
wenzelm
parents: 56177
diff changeset
   349
                  view.setKeyEventInterceptor(null)
416f7a00e4cb back to KeyEventInterceptor (see 423e29f1f304), but without focus change, which helps to avoid loosing key events due to quick opening and closing of popups;
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diff changeset
   350
                if (focus) text_area.requestFocus
56606
68b7a6db4a32 avoid ooddity: invoke intended function instead of java.awt.Container.invalidate();
wenzelm
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diff changeset
   351
                JEdit_Lib.invalidate_range(text_area, range)
56197
416f7a00e4cb back to KeyEventInterceptor (see 423e29f1f304), but without focus change, which helps to avoid loosing key events due to quick opening and closing of popups;
wenzelm
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diff changeset
   352
              }
55693
93ba0085e888 try explicit semantic completion before syntax completion;
wenzelm
parents: 55692
diff changeset
   353
            }
57127
a406e15c3cf7 make double-sure that old popup is dismissed, before replacing it;
wenzelm
parents: 57051
diff changeset
   354
          dismissed()
55693
93ba0085e888 try explicit semantic completion before syntax completion;
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diff changeset
   355
          completion_popup = Some(completion)
56197
416f7a00e4cb back to KeyEventInterceptor (see 423e29f1f304), but without focus change, which helps to avoid loosing key events due to quick opening and closing of popups;
wenzelm
parents: 56177
diff changeset
   356
          view.setKeyEventInterceptor(completion.inner_key_listener)
56606
68b7a6db4a32 avoid ooddity: invoke intended function instead of java.awt.Container.invalidate();
wenzelm
parents: 56605
diff changeset
   357
          JEdit_Lib.invalidate_range(text_area, range)
56841
bc6faeadbf82 reduced cluttering of popups;
wenzelm
parents: 56840
diff changeset
   358
          Pretty_Tooltip.dismissed_all()
56197
416f7a00e4cb back to KeyEventInterceptor (see 423e29f1f304), but without focus change, which helps to avoid loosing key events due to quick opening and closing of popups;
wenzelm
parents: 56177
diff changeset
   359
          completion.show_popup(false)
55693
93ba0085e888 try explicit semantic completion before syntax completion;
wenzelm
parents: 55692
diff changeset
   360
        }
93ba0085e888 try explicit semantic completion before syntax completion;
wenzelm
parents: 55692
diff changeset
   361
      }
93ba0085e888 try explicit semantic completion before syntax completion;
wenzelm
parents: 55692
diff changeset
   362
56175
79c29244b377 merge semantic and syntax completion;
wenzelm
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diff changeset
   363
      if (buffer.isEditable) {
79c29244b377 merge semantic and syntax completion;
wenzelm
parents: 56173
diff changeset
   364
        val (no_completion, semantic_completion, opt_rendering) =
79c29244b377 merge semantic and syntax completion;
wenzelm
parents: 56173
diff changeset
   365
        {
79c29244b377 merge semantic and syntax completion;
wenzelm
parents: 56173
diff changeset
   366
          PIDE.document_view(text_area) match {
79c29244b377 merge semantic and syntax completion;
wenzelm
parents: 56173
diff changeset
   367
            case Some(doc_view) =>
79c29244b377 merge semantic and syntax completion;
wenzelm
parents: 56173
diff changeset
   368
              val rendering = doc_view.get_rendering()
79c29244b377 merge semantic and syntax completion;
wenzelm
parents: 56173
diff changeset
   369
              val (no_completion, result) =
56593
0ea7c84110ac back to unrestricted before_caret_range, which is important for quick editing at the end of line (amending 83777a91f5de);
wenzelm
parents: 56589
diff changeset
   370
              {
0ea7c84110ac back to unrestricted before_caret_range, which is important for quick editing at the end of line (amending 83777a91f5de);
wenzelm
parents: 56589
diff changeset
   371
                val caret_range = JEdit_Lib.before_caret_range(text_area, rendering)
0ea7c84110ac back to unrestricted before_caret_range, which is important for quick editing at the end of line (amending 83777a91f5de);
wenzelm
parents: 56589
diff changeset
   372
                rendering.semantic_completion(caret_range) match {
0ea7c84110ac back to unrestricted before_caret_range, which is important for quick editing at the end of line (amending 83777a91f5de);
wenzelm
parents: 56589
diff changeset
   373
                  case Some(Text.Info(_, Completion.No_Completion)) => (true, None)
0ea7c84110ac back to unrestricted before_caret_range, which is important for quick editing at the end of line (amending 83777a91f5de);
wenzelm
parents: 56589
diff changeset
   374
                  case Some(Text.Info(range, names: Completion.Names)) =>
0ea7c84110ac back to unrestricted before_caret_range, which is important for quick editing at the end of line (amending 83777a91f5de);
wenzelm
parents: 56589
diff changeset
   375
                    val result =
0ea7c84110ac back to unrestricted before_caret_range, which is important for quick editing at the end of line (amending 83777a91f5de);
wenzelm
parents: 56589
diff changeset
   376
                      JEdit_Lib.try_get_text(buffer, range) match {
0ea7c84110ac back to unrestricted before_caret_range, which is important for quick editing at the end of line (amending 83777a91f5de);
wenzelm
parents: 56589
diff changeset
   377
                        case Some(original) => names.complete(range, history, decode, original)
0ea7c84110ac back to unrestricted before_caret_range, which is important for quick editing at the end of line (amending 83777a91f5de);
wenzelm
parents: 56589
diff changeset
   378
                        case None => None
0ea7c84110ac back to unrestricted before_caret_range, which is important for quick editing at the end of line (amending 83777a91f5de);
wenzelm
parents: 56589
diff changeset
   379
                      }
0ea7c84110ac back to unrestricted before_caret_range, which is important for quick editing at the end of line (amending 83777a91f5de);
wenzelm
parents: 56589
diff changeset
   380
                    (false, result)
56587
83777a91f5de clarified before_caret_range: prevent continuation on next line;
wenzelm
parents: 56586
diff changeset
   381
                  case None => (false, None)
56175
79c29244b377 merge semantic and syntax completion;
wenzelm
parents: 56173
diff changeset
   382
                }
56593
0ea7c84110ac back to unrestricted before_caret_range, which is important for quick editing at the end of line (amending 83777a91f5de);
wenzelm
parents: 56589
diff changeset
   383
              }
56175
79c29244b377 merge semantic and syntax completion;
wenzelm
parents: 56173
diff changeset
   384
              (no_completion, result, Some(rendering))
56587
83777a91f5de clarified before_caret_range: prevent continuation on next line;
wenzelm
parents: 56586
diff changeset
   385
            case None => (false, None, None)
56175
79c29244b377 merge semantic and syntax completion;
wenzelm
parents: 56173
diff changeset
   386
          }
55693
93ba0085e888 try explicit semantic completion before syntax completion;
wenzelm
parents: 55692
diff changeset
   387
        }
56326
c3d7b3bb2708 immediate completion even with delay, which is the default according to 638b29331549;
wenzelm
parents: 56325
diff changeset
   388
        if (no_completion) false
c3d7b3bb2708 immediate completion even with delay, which is the default according to 638b29331549;
wenzelm
parents: 56325
diff changeset
   389
        else {
56564
94c55cc73747 added spell-checker completion dialog, without counting frequency of items due to empty name;
wenzelm
parents: 56326
diff changeset
   390
          val result =
56586
5ef60881681d explicit menu action to complete word;
wenzelm
parents: 56576
diff changeset
   391
          {
5ef60881681d explicit menu action to complete word;
wenzelm
parents: 56576
diff changeset
   392
            val result0 =
5ef60881681d explicit menu action to complete word;
wenzelm
parents: 56576
diff changeset
   393
              if (word_only) None
5ef60881681d explicit menu action to complete word;
wenzelm
parents: 56576
diff changeset
   394
              else
56587
83777a91f5de clarified before_caret_range: prevent continuation on next line;
wenzelm
parents: 56586
diff changeset
   395
                Completion.Result.merge(history, semantic_completion,
83777a91f5de clarified before_caret_range: prevent continuation on next line;
wenzelm
parents: 56586
diff changeset
   396
                  syntax_completion(history, explicit, opt_rendering))
56564
94c55cc73747 added spell-checker completion dialog, without counting frequency of items due to empty name;
wenzelm
parents: 56326
diff changeset
   397
            opt_rendering match {
94c55cc73747 added spell-checker completion dialog, without counting frequency of items due to empty name;
wenzelm
parents: 56326
diff changeset
   398
              case None => result0
94c55cc73747 added spell-checker completion dialog, without counting frequency of items due to empty name;
wenzelm
parents: 56326
diff changeset
   399
              case Some(rendering) =>
56843
b2bfcd8cda80 support for path completion based on file-system content;
wenzelm
parents: 56842
diff changeset
   400
                Completion.Result.merge(history, result0,
b2bfcd8cda80 support for path completion based on file-system content;
wenzelm
parents: 56842
diff changeset
   401
                  Completion.Result.merge(history,
57051
5e30ffe79980 spell-checker completion is restricted to explicit mode, to avoid odd effects with immediate edits vs. delayed language context markup, and occasional delays due to dictionary lookup of many variants;
wenzelm
parents: 56877
diff changeset
   402
                    spell_checker_completion(explicit, rendering), path_completion(rendering)))
56564
94c55cc73747 added spell-checker completion dialog, without counting frequency of items due to empty name;
wenzelm
parents: 56326
diff changeset
   403
            }
56586
5ef60881681d explicit menu action to complete word;
wenzelm
parents: 56576
diff changeset
   404
          }
56175
79c29244b377 merge semantic and syntax completion;
wenzelm
parents: 56173
diff changeset
   405
          result match {
79c29244b377 merge semantic and syntax completion;
wenzelm
parents: 56173
diff changeset
   406
            case Some(result) =>
79c29244b377 merge semantic and syntax completion;
wenzelm
parents: 56173
diff changeset
   407
              result.items match {
79c29244b377 merge semantic and syntax completion;
wenzelm
parents: 56173
diff changeset
   408
                case List(item) if result.unique && item.immediate && immediate =>
79c29244b377 merge semantic and syntax completion;
wenzelm
parents: 56173
diff changeset
   409
                  insert(item)
56326
c3d7b3bb2708 immediate completion even with delay, which is the default according to 638b29331549;
wenzelm
parents: 56325
diff changeset
   410
                  true
c3d7b3bb2708 immediate completion even with delay, which is the default according to 638b29331549;
wenzelm
parents: 56325
diff changeset
   411
                case _ :: _ if !delayed =>
56175
79c29244b377 merge semantic and syntax completion;
wenzelm
parents: 56173
diff changeset
   412
                  open_popup(result)
56326
c3d7b3bb2708 immediate completion even with delay, which is the default according to 638b29331549;
wenzelm
parents: 56325
diff changeset
   413
                  false
c3d7b3bb2708 immediate completion even with delay, which is the default according to 638b29331549;
wenzelm
parents: 56325
diff changeset
   414
                case _ => false
56175
79c29244b377 merge semantic and syntax completion;
wenzelm
parents: 56173
diff changeset
   415
              }
56326
c3d7b3bb2708 immediate completion even with delay, which is the default according to 638b29331549;
wenzelm
parents: 56325
diff changeset
   416
            case None => false
56175
79c29244b377 merge semantic and syntax completion;
wenzelm
parents: 56173
diff changeset
   417
          }
53292
f567c1c7b180 option to insert unique completion immediately into buffer;
wenzelm
parents: 53275
diff changeset
   418
        }
55752
43d0e2a34c9d uniform insert vs. popup policy;
wenzelm
parents: 55749
diff changeset
   419
      }
56326
c3d7b3bb2708 immediate completion even with delay, which is the default according to 638b29331549;
wenzelm
parents: 56325
diff changeset
   420
      else false
53292
f567c1c7b180 option to insert unique completion immediately into buffer;
wenzelm
parents: 53275
diff changeset
   421
    }
f567c1c7b180 option to insert unique completion immediately into buffer;
wenzelm
parents: 53275
diff changeset
   422
f567c1c7b180 option to insert unique completion immediately into buffer;
wenzelm
parents: 53275
diff changeset
   423
f567c1c7b180 option to insert unique completion immediately into buffer;
wenzelm
parents: 53275
diff changeset
   424
    /* input key events */
53273
473ea1ed7503 some completion options;
wenzelm
parents: 53272
diff changeset
   425
53272
0dfd78ff7696 more abstract Completion_Popup.Text_Area;
wenzelm
parents: 53247
diff changeset
   426
    def input(evt: KeyEvent)
53242
142f4fff4e40 tuned signature;
wenzelm
parents: 53237
diff changeset
   427
    {
57612
990ffb84489b clarified module name: facilitate alternative GUI frameworks;
wenzelm
parents: 57588
diff changeset
   428
      GUI_Thread.require {}
53233
4b422e5d64fd some actual completion via outer syntax;
wenzelm
parents: 53232
diff changeset
   429
53273
473ea1ed7503 some completion options;
wenzelm
parents: 53272
diff changeset
   430
      if (PIDE.options.bool("jedit_completion")) {
473ea1ed7503 some completion options;
wenzelm
parents: 53272
diff changeset
   431
        if (!evt.isConsumed) {
473ea1ed7503 some completion options;
wenzelm
parents: 53272
diff changeset
   432
          dismissed()
53397
b179cdfa9d82 no completion on backspace -- too intrusive, e.g. when deleting keywords;
wenzelm
parents: 53337
diff changeset
   433
          if (evt.getKeyChar != '\b') {
53784
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   434
            val special = JEdit_Lib.special_key(evt)
56326
c3d7b3bb2708 immediate completion even with delay, which is the default according to 638b29331549;
wenzelm
parents: 56325
diff changeset
   435
            val immediate = PIDE.options.bool("jedit_completion_immediate")
53397
b179cdfa9d82 no completion on backspace -- too intrusive, e.g. when deleting keywords;
wenzelm
parents: 53337
diff changeset
   436
            if (PIDE.options.seconds("jedit_completion_delay").is_zero && !special) {
b179cdfa9d82 no completion on backspace -- too intrusive, e.g. when deleting keywords;
wenzelm
parents: 53337
diff changeset
   437
              input_delay.revoke()
56326
c3d7b3bb2708 immediate completion even with delay, which is the default according to 638b29331549;
wenzelm
parents: 56325
diff changeset
   438
              action(immediate = immediate)
53397
b179cdfa9d82 no completion on backspace -- too intrusive, e.g. when deleting keywords;
wenzelm
parents: 53337
diff changeset
   439
            }
56326
c3d7b3bb2708 immediate completion even with delay, which is the default according to 638b29331549;
wenzelm
parents: 56325
diff changeset
   440
            else {
c3d7b3bb2708 immediate completion even with delay, which is the default according to 638b29331549;
wenzelm
parents: 56325
diff changeset
   441
              if (!special && action(immediate = immediate, delayed = true))
c3d7b3bb2708 immediate completion even with delay, which is the default according to 638b29331549;
wenzelm
parents: 56325
diff changeset
   442
                input_delay.revoke()
c3d7b3bb2708 immediate completion even with delay, which is the default according to 638b29331549;
wenzelm
parents: 56325
diff changeset
   443
              else
c3d7b3bb2708 immediate completion even with delay, which is the default according to 638b29331549;
wenzelm
parents: 56325
diff changeset
   444
                input_delay.invoke()
c3d7b3bb2708 immediate completion even with delay, which is the default according to 638b29331549;
wenzelm
parents: 56325
diff changeset
   445
            }
53292
f567c1c7b180 option to insert unique completion immediately into buffer;
wenzelm
parents: 53275
diff changeset
   446
          }
53242
142f4fff4e40 tuned signature;
wenzelm
parents: 53237
diff changeset
   447
        }
53228
f6c6688961db some key event handling in the manner of SideKickBindings, SideKickCompletionPopup;
wenzelm
parents: 53226
diff changeset
   448
      }
f6c6688961db some key event handling in the manner of SideKickBindings, SideKickCompletionPopup;
wenzelm
parents: 53226
diff changeset
   449
    }
53273
473ea1ed7503 some completion options;
wenzelm
parents: 53272
diff changeset
   450
473ea1ed7503 some completion options;
wenzelm
parents: 53272
diff changeset
   451
    private val input_delay =
57612
990ffb84489b clarified module name: facilitate alternative GUI frameworks;
wenzelm
parents: 57588
diff changeset
   452
      GUI_Thread.delay_last(PIDE.options.seconds("jedit_completion_delay")) {
53322
a4cd032172e0 allow short words for explicit completion;
wenzelm
parents: 53297
diff changeset
   453
        action()
53292
f567c1c7b180 option to insert unique completion immediately into buffer;
wenzelm
parents: 53275
diff changeset
   454
      }
53273
473ea1ed7503 some completion options;
wenzelm
parents: 53272
diff changeset
   455
473ea1ed7503 some completion options;
wenzelm
parents: 53272
diff changeset
   456
53292
f567c1c7b180 option to insert unique completion immediately into buffer;
wenzelm
parents: 53275
diff changeset
   457
    /* dismiss popup */
53273
473ea1ed7503 some completion options;
wenzelm
parents: 53272
diff changeset
   458
53292
f567c1c7b180 option to insert unique completion immediately into buffer;
wenzelm
parents: 53275
diff changeset
   459
    def dismissed(): Boolean =
f567c1c7b180 option to insert unique completion immediately into buffer;
wenzelm
parents: 53275
diff changeset
   460
    {
57612
990ffb84489b clarified module name: facilitate alternative GUI frameworks;
wenzelm
parents: 57588
diff changeset
   461
      GUI_Thread.require {}
53273
473ea1ed7503 some completion options;
wenzelm
parents: 53272
diff changeset
   462
53292
f567c1c7b180 option to insert unique completion immediately into buffer;
wenzelm
parents: 53275
diff changeset
   463
      completion_popup match {
f567c1c7b180 option to insert unique completion immediately into buffer;
wenzelm
parents: 53275
diff changeset
   464
        case Some(completion) =>
f567c1c7b180 option to insert unique completion immediately into buffer;
wenzelm
parents: 53275
diff changeset
   465
          completion.hide_popup()
f567c1c7b180 option to insert unique completion immediately into buffer;
wenzelm
parents: 53275
diff changeset
   466
          completion_popup = None
f567c1c7b180 option to insert unique completion immediately into buffer;
wenzelm
parents: 53275
diff changeset
   467
          true
f567c1c7b180 option to insert unique completion immediately into buffer;
wenzelm
parents: 53275
diff changeset
   468
        case None =>
f567c1c7b180 option to insert unique completion immediately into buffer;
wenzelm
parents: 53275
diff changeset
   469
          false
53273
473ea1ed7503 some completion options;
wenzelm
parents: 53272
diff changeset
   470
      }
53292
f567c1c7b180 option to insert unique completion immediately into buffer;
wenzelm
parents: 53275
diff changeset
   471
    }
53274
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   472
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   473
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   474
    /* activation */
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   475
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   476
    private val outer_key_listener =
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   477
      JEdit_Lib.key_listener(key_typed = input _)
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   478
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   479
    private def activate()
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   480
    {
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   481
      text_area.addKeyListener(outer_key_listener)
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   482
    }
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   483
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   484
    private def deactivate()
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   485
    {
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   486
      dismissed()
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   487
      text_area.removeKeyListener(outer_key_listener)
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   488
    }
53228
f6c6688961db some key event handling in the manner of SideKickBindings, SideKickCompletionPopup;
wenzelm
parents: 53226
diff changeset
   489
  }
53784
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   490
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   491
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   492
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   493
  /** history text field **/
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   494
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   495
  class History_Text_Field(
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   496
    name: String = null,
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   497
    instant_popups: Boolean = false,
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   498
    enter_adds_to_history: Boolean = true,
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   499
    syntax: Outer_Syntax = Outer_Syntax.init) extends
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   500
    HistoryTextField(name, instant_popups, enter_adds_to_history)
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   501
  {
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   502
    text_field =>
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   503
53848
8d7029eb0c31 disable standard behaviour of Mac OS X text field (i.e. select-all after focus gain) in order to make completion work more smoothly;
wenzelm
parents: 53784
diff changeset
   504
    // see https://forums.oracle.com/thread/1361677
8d7029eb0c31 disable standard behaviour of Mac OS X text field (i.e. select-all after focus gain) in order to make completion work more smoothly;
wenzelm
parents: 53784
diff changeset
   505
    if (GUI.is_macos_laf) text_field.setCaret(new DefaultCaret)
53784
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   506
57612
990ffb84489b clarified module name: facilitate alternative GUI frameworks;
wenzelm
parents: 57588
diff changeset
   507
    // owned by GUI thread
53784
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   508
    private var completion_popup: Option[Completion_Popup] = None
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   509
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   510
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   511
    /* dismiss */
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   512
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   513
    private def dismissed(): Boolean =
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   514
    {
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   515
      completion_popup match {
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   516
        case Some(completion) =>
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   517
          completion.hide_popup()
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   518
          completion_popup = None
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   519
          true
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   520
        case None =>
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   521
          false
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   522
      }
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   523
    }
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   524
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   525
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   526
    /* insert */
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   527
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   528
    private def insert(item: Completion.Item)
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   529
    {
57612
990ffb84489b clarified module name: facilitate alternative GUI frameworks;
wenzelm
parents: 57588
diff changeset
   530
      GUI_Thread.require {}
53784
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   531
55692
19e8b00684f7 more explicit Completion.Item.range, independently of caret;
wenzelm
parents: 55690
diff changeset
   532
      val range = item.range
56863
5fdb61a9a010 allow empty original, e.g. path "";
wenzelm
parents: 56844
diff changeset
   533
      if (text_field.isEditable) {
53784
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   534
        val content = text_field.getText
55692
19e8b00684f7 more explicit Completion.Item.range, independently of caret;
wenzelm
parents: 55690
diff changeset
   535
        JEdit_Lib.try_get_text(content, range) match {
53784
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   536
          case Some(text) if text == item.original =>
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   537
            text_field.setText(
55692
19e8b00684f7 more explicit Completion.Item.range, independently of caret;
wenzelm
parents: 55690
diff changeset
   538
              content.substring(0, range.start) +
53784
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   539
              item.replacement +
55692
19e8b00684f7 more explicit Completion.Item.range, independently of caret;
wenzelm
parents: 55690
diff changeset
   540
              content.substring(range.stop))
19e8b00684f7 more explicit Completion.Item.range, independently of caret;
wenzelm
parents: 55690
diff changeset
   541
            text_field.getCaret.setDot(range.start + item.replacement.length + item.move)
53784
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   542
          case _ =>
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   543
        }
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   544
      }
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   545
    }
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   546
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   547
56170
638b29331549 allow implicit semantic completion, notably after delay that exceeds usual round-trip time;
wenzelm
parents: 55978
diff changeset
   548
    /* completion action: text field */
53784
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   549
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   550
    def action()
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   551
    {
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   552
      GUI.layered_pane(text_field) match {
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   553
        case Some(layered) if text_field.isEditable =>
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   554
          val history = PIDE.completion_history.value
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   555
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   556
          val caret = text_field.getCaret.getDot
55813
08a1c860bc12 allow completion within a word (or symbol), like semantic completion;
wenzelm
parents: 55767
diff changeset
   557
          val text = text_field.getText
55748
2e1398b484aa no word completion within word context;
wenzelm
parents: 55747
diff changeset
   558
55749
75a48dc4383e tuned signature;
wenzelm
parents: 55748
diff changeset
   559
          val context = syntax.language_context
55748
2e1398b484aa no word completion within word context;
wenzelm
parents: 55747
diff changeset
   560
57588
ff31aad27661 discontinued unfinished attempts at syntactic word context (see 2e1398b484aa, 08a1c860bc12, 7f229b0212fe) -- back to more basic completion of Isabelle2013-2;
wenzelm
parents: 57127
diff changeset
   561
          syntax.completion.complete(history, true, false, 0, text, caret, context) match {
53784
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   562
            case Some(result) =>
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   563
              val fm = text_field.getFontMetrics(text_field.getFont)
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   564
              val loc =
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   565
                SwingUtilities.convertPoint(text_field, fm.stringWidth(text), fm.getHeight, layered)
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   566
55978
56645c447ee9 tuned description and its rendering;
wenzelm
parents: 55914
diff changeset
   567
              val items = result.items.map(new Item(_))
55711
9e3d64e5919a paint completion range of active popup;
wenzelm
parents: 55693
diff changeset
   568
              val completion =
55978
56645c447ee9 tuned description and its rendering;
wenzelm
parents: 55914
diff changeset
   569
                new Completion_Popup(None, layered, loc, text_field.getFont, items)
56645c447ee9 tuned description and its rendering;
wenzelm
parents: 55914
diff changeset
   570
                {
56645c447ee9 tuned description and its rendering;
wenzelm
parents: 55914
diff changeset
   571
                  override def complete(item: Completion.Item) {
56645c447ee9 tuned description and its rendering;
wenzelm
parents: 55914
diff changeset
   572
                    PIDE.completion_history.update(item)
56645c447ee9 tuned description and its rendering;
wenzelm
parents: 55914
diff changeset
   573
                    insert(item)
56645c447ee9 tuned description and its rendering;
wenzelm
parents: 55914
diff changeset
   574
                  }
56645c447ee9 tuned description and its rendering;
wenzelm
parents: 55914
diff changeset
   575
                  override def propagate(evt: KeyEvent) {
56645c447ee9 tuned description and its rendering;
wenzelm
parents: 55914
diff changeset
   576
                    if (!evt.isConsumed) text_field.processKeyEvent(evt)
56645c447ee9 tuned description and its rendering;
wenzelm
parents: 55914
diff changeset
   577
                  }
56197
416f7a00e4cb back to KeyEventInterceptor (see 423e29f1f304), but without focus change, which helps to avoid loosing key events due to quick opening and closing of popups;
wenzelm
parents: 56177
diff changeset
   578
                  override def shutdown(focus: Boolean) { if (focus) text_field.requestFocus }
53784
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   579
                }
57127
a406e15c3cf7 make double-sure that old popup is dismissed, before replacing it;
wenzelm
parents: 57051
diff changeset
   580
              dismissed()
53784
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   581
              completion_popup = Some(completion)
56197
416f7a00e4cb back to KeyEventInterceptor (see 423e29f1f304), but without focus change, which helps to avoid loosing key events due to quick opening and closing of popups;
wenzelm
parents: 56177
diff changeset
   582
              completion.show_popup(true)
53784
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   583
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   584
            case None =>
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   585
          }
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   586
        case _ =>
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   587
      }
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   588
    }
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   589
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   590
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   591
    /* process key event */
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   592
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   593
    private def process(evt: KeyEvent)
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   594
    {
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   595
      if (PIDE.options.bool("jedit_completion")) {
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   596
        dismissed()
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   597
        if (evt.getKeyChar != '\b') {
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   598
          val special = JEdit_Lib.special_key(evt)
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   599
          if (PIDE.options.seconds("jedit_completion_delay").is_zero && !special) {
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   600
            process_delay.revoke()
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   601
            action()
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   602
          }
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   603
          else process_delay.invoke()
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   604
        }
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   605
      }
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   606
    }
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   607
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   608
    private val process_delay =
57612
990ffb84489b clarified module name: facilitate alternative GUI frameworks;
wenzelm
parents: 57588
diff changeset
   609
      GUI_Thread.delay_last(PIDE.options.seconds("jedit_completion_delay")) {
53784
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   610
        action()
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   611
      }
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   612
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   613
    override def processKeyEvent(evt0: KeyEvent)
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   614
    {
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   615
      val evt = KeyEventWorkaround.processKeyEvent(evt0)
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   616
      if (evt != null) {
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   617
        evt.getID match {
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   618
          case KeyEvent.KEY_PRESSED =>
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   619
            val key_code = evt.getKeyCode
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   620
            if (key_code == KeyEvent.VK_ESCAPE) {
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   621
              if (dismissed()) evt.consume
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   622
            }
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   623
          case KeyEvent.KEY_TYPED =>
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   624
            super.processKeyEvent(evt)
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   625
            process(evt)
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   626
            evt.consume
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   627
          case _ =>
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   628
        }
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   629
        if (!evt.isConsumed) super.processKeyEvent(evt)
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   630
      }
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   631
    }
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   632
  }
53023
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   633
}
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   634
53233
4b422e5d64fd some actual completion via outer syntax;
wenzelm
parents: 53232
diff changeset
   635
53023
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   636
class Completion_Popup private(
56605
wenzelm
parents: 56593
diff changeset
   637
  opt_range: Option[Text.Range],
53246
8d34caf5bf82 more elementary Popup via JLayeredPane -- avoid javax.swing.PopupFactory with its many problems and dangers of accidental HeavyWeightPopup (especially on Mac OS X);
wenzelm
parents: 53244
diff changeset
   638
  layered: JLayeredPane,
8d34caf5bf82 more elementary Popup via JLayeredPane -- avoid javax.swing.PopupFactory with its many problems and dangers of accidental HeavyWeightPopup (especially on Mac OS X);
wenzelm
parents: 53244
diff changeset
   639
  location: Point,
53272
0dfd78ff7696 more abstract Completion_Popup.Text_Area;
wenzelm
parents: 53247
diff changeset
   640
  font: Font,
55978
56645c447ee9 tuned description and its rendering;
wenzelm
parents: 55914
diff changeset
   641
  items: List[Completion_Popup.Item]) extends JPanel(new BorderLayout)
53023
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   642
{
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   643
  completion =>
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   644
57612
990ffb84489b clarified module name: facilitate alternative GUI frameworks;
wenzelm
parents: 57588
diff changeset
   645
  GUI_Thread.require {}
53405
ed2b48af04d9 interpret keys more movement only when needed;
wenzelm
parents: 53398
diff changeset
   646
53232
4a3762693452 tuned signature;
wenzelm
parents: 53231
diff changeset
   647
  require(!items.isEmpty)
53405
ed2b48af04d9 interpret keys more movement only when needed;
wenzelm
parents: 53398
diff changeset
   648
  val multi = items.length > 1
53232
4a3762693452 tuned signature;
wenzelm
parents: 53231
diff changeset
   649
4a3762693452 tuned signature;
wenzelm
parents: 53231
diff changeset
   650
4a3762693452 tuned signature;
wenzelm
parents: 53231
diff changeset
   651
  /* actions */
4a3762693452 tuned signature;
wenzelm
parents: 53231
diff changeset
   652
53275
b34aac6511ab tuned signature;
wenzelm
parents: 53274
diff changeset
   653
  def complete(item: Completion.Item) { }
53232
4a3762693452 tuned signature;
wenzelm
parents: 53231
diff changeset
   654
  def propagate(evt: KeyEvent) { }
56197
416f7a00e4cb back to KeyEventInterceptor (see 423e29f1f304), but without focus change, which helps to avoid loosing key events due to quick opening and closing of popups;
wenzelm
parents: 56177
diff changeset
   655
  def shutdown(focus: Boolean) { }
53023
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   656
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   657
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   658
  /* list view */
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   659
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   660
  private val list_view = new ListView(items)
53272
0dfd78ff7696 more abstract Completion_Popup.Text_Area;
wenzelm
parents: 53247
diff changeset
   661
  list_view.font = font
53023
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   662
  list_view.selection.intervalMode = ListView.IntervalMode.Single
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   663
  list_view.peer.setFocusTraversalKeysEnabled(false)
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   664
  list_view.peer.setVisibleRowCount(items.length min 8)
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   665
  list_view.peer.setSelectedIndex(0)
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   666
53398
f8b150e8778b remove Swing input map, which might bind keys in unexpected ways (e.g. LEFT/RIGHT in singleton list);
wenzelm
parents: 53397
diff changeset
   667
  for (cond <-
f8b150e8778b remove Swing input map, which might bind keys in unexpected ways (e.g. LEFT/RIGHT in singleton list);
wenzelm
parents: 53397
diff changeset
   668
    List(JComponent.WHEN_FOCUSED,
f8b150e8778b remove Swing input map, which might bind keys in unexpected ways (e.g. LEFT/RIGHT in singleton list);
wenzelm
parents: 53397
diff changeset
   669
      JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT,
f8b150e8778b remove Swing input map, which might bind keys in unexpected ways (e.g. LEFT/RIGHT in singleton list);
wenzelm
parents: 53397
diff changeset
   670
      JComponent.WHEN_IN_FOCUSED_WINDOW)) list_view.peer.setInputMap(cond, null)
f8b150e8778b remove Swing input map, which might bind keys in unexpected ways (e.g. LEFT/RIGHT in singleton list);
wenzelm
parents: 53397
diff changeset
   671
53023
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   672
  private def complete_selected(): Boolean =
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   673
  {
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   674
    list_view.selection.items.toList match {
55978
56645c447ee9 tuned description and its rendering;
wenzelm
parents: 55914
diff changeset
   675
      case item :: _ => complete(item.item); true
53023
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   676
      case _ => false
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   677
    }
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   678
  }
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   679
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   680
  private def move_items(n: Int)
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   681
  {
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   682
    val i = list_view.peer.getSelectedIndex
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   683
    val j = ((i + n) min (items.length - 1)) max 0
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   684
    if (i != j) {
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   685
      list_view.peer.setSelectedIndex(j)
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   686
      list_view.peer.ensureIndexIsVisible(j)
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   687
    }
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   688
  }
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   689
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   690
  private def move_pages(n: Int)
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   691
  {
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   692
    val page_size = list_view.peer.getVisibleRowCount - 1
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   693
    move_items(page_size * n)
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   694
  }
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   695
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   696
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   697
  /* event handling */
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   698
56197
416f7a00e4cb back to KeyEventInterceptor (see 423e29f1f304), but without focus change, which helps to avoid loosing key events due to quick opening and closing of popups;
wenzelm
parents: 56177
diff changeset
   699
  val inner_key_listener =
53226
9cf8e2263ca7 more systematic JEdit_Lib.key_listener with optional KeyEventWorkaround;
wenzelm
parents: 53023
diff changeset
   700
    JEdit_Lib.key_listener(
9cf8e2263ca7 more systematic JEdit_Lib.key_listener with optional KeyEventWorkaround;
wenzelm
parents: 53023
diff changeset
   701
      key_pressed = (e: KeyEvent) =>
9cf8e2263ca7 more systematic JEdit_Lib.key_listener with optional KeyEventWorkaround;
wenzelm
parents: 53023
diff changeset
   702
        {
9cf8e2263ca7 more systematic JEdit_Lib.key_listener with optional KeyEventWorkaround;
wenzelm
parents: 53023
diff changeset
   703
          if (!e.isConsumed) {
9cf8e2263ca7 more systematic JEdit_Lib.key_listener with optional KeyEventWorkaround;
wenzelm
parents: 53023
diff changeset
   704
            e.getKeyCode match {
57833
2c2bae3da1c2 completion popup supports both ENTER and TAB (default);
wenzelm
parents: 57612
diff changeset
   705
              case KeyEvent.VK_ENTER if PIDE.options.bool("jedit_completion_select_enter") =>
2c2bae3da1c2 completion popup supports both ENTER and TAB (default);
wenzelm
parents: 57612
diff changeset
   706
                if (complete_selected()) e.consume
2c2bae3da1c2 completion popup supports both ENTER and TAB (default);
wenzelm
parents: 57612
diff changeset
   707
                hide_popup()
2c2bae3da1c2 completion popup supports both ENTER and TAB (default);
wenzelm
parents: 57612
diff changeset
   708
              case KeyEvent.VK_TAB if PIDE.options.bool("jedit_completion_select_tab") =>
53226
9cf8e2263ca7 more systematic JEdit_Lib.key_listener with optional KeyEventWorkaround;
wenzelm
parents: 53023
diff changeset
   709
                if (complete_selected()) e.consume
9cf8e2263ca7 more systematic JEdit_Lib.key_listener with optional KeyEventWorkaround;
wenzelm
parents: 53023
diff changeset
   710
                hide_popup()
9cf8e2263ca7 more systematic JEdit_Lib.key_listener with optional KeyEventWorkaround;
wenzelm
parents: 53023
diff changeset
   711
              case KeyEvent.VK_ESCAPE =>
9cf8e2263ca7 more systematic JEdit_Lib.key_listener with optional KeyEventWorkaround;
wenzelm
parents: 53023
diff changeset
   712
                hide_popup()
9cf8e2263ca7 more systematic JEdit_Lib.key_listener with optional KeyEventWorkaround;
wenzelm
parents: 53023
diff changeset
   713
                e.consume
53405
ed2b48af04d9 interpret keys more movement only when needed;
wenzelm
parents: 53398
diff changeset
   714
              case KeyEvent.VK_UP | KeyEvent.VK_KP_UP if multi =>
53407
wenzelm
parents: 53405
diff changeset
   715
                move_items(-1)
wenzelm
parents: 53405
diff changeset
   716
                e.consume
53405
ed2b48af04d9 interpret keys more movement only when needed;
wenzelm
parents: 53398
diff changeset
   717
              case KeyEvent.VK_DOWN | KeyEvent.VK_KP_DOWN if multi =>
53407
wenzelm
parents: 53405
diff changeset
   718
                move_items(1)
wenzelm
parents: 53405
diff changeset
   719
                e.consume
53405
ed2b48af04d9 interpret keys more movement only when needed;
wenzelm
parents: 53398
diff changeset
   720
              case KeyEvent.VK_PAGE_UP if multi =>
53407
wenzelm
parents: 53405
diff changeset
   721
                move_pages(-1)
wenzelm
parents: 53405
diff changeset
   722
                e.consume
53405
ed2b48af04d9 interpret keys more movement only when needed;
wenzelm
parents: 53398
diff changeset
   723
              case KeyEvent.VK_PAGE_DOWN if multi =>
53407
wenzelm
parents: 53405
diff changeset
   724
                move_pages(1)
wenzelm
parents: 53405
diff changeset
   725
                e.consume
53226
9cf8e2263ca7 more systematic JEdit_Lib.key_listener with optional KeyEventWorkaround;
wenzelm
parents: 53023
diff changeset
   726
              case _ =>
9cf8e2263ca7 more systematic JEdit_Lib.key_listener with optional KeyEventWorkaround;
wenzelm
parents: 53023
diff changeset
   727
                if (e.isActionKey || e.isAltDown || e.isMetaDown || e.isControlDown)
9cf8e2263ca7 more systematic JEdit_Lib.key_listener with optional KeyEventWorkaround;
wenzelm
parents: 53023
diff changeset
   728
                  hide_popup()
9cf8e2263ca7 more systematic JEdit_Lib.key_listener with optional KeyEventWorkaround;
wenzelm
parents: 53023
diff changeset
   729
            }
9cf8e2263ca7 more systematic JEdit_Lib.key_listener with optional KeyEventWorkaround;
wenzelm
parents: 53023
diff changeset
   730
          }
53232
4a3762693452 tuned signature;
wenzelm
parents: 53231
diff changeset
   731
          propagate(e)
53226
9cf8e2263ca7 more systematic JEdit_Lib.key_listener with optional KeyEventWorkaround;
wenzelm
parents: 53023
diff changeset
   732
        },
53232
4a3762693452 tuned signature;
wenzelm
parents: 53231
diff changeset
   733
      key_typed = propagate _
53226
9cf8e2263ca7 more systematic JEdit_Lib.key_listener with optional KeyEventWorkaround;
wenzelm
parents: 53023
diff changeset
   734
    )
53023
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   735
53274
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   736
  list_view.peer.addKeyListener(inner_key_listener)
53023
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   737
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   738
  list_view.peer.addMouseListener(new MouseAdapter {
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   739
    override def mouseClicked(e: MouseEvent) {
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   740
      if (complete_selected()) e.consume
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   741
      hide_popup()
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   742
    }
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   743
  })
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   744
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   745
  list_view.peer.addFocusListener(new FocusAdapter {
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   746
    override def focusLost(e: FocusEvent) { hide_popup() }
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   747
  })
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   748
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   749
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   750
  /* main content */
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   751
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   752
  override def getFocusTraversalKeysEnabled = false
53297
64c31de7f21c border as for Pretty_Tooltip;
wenzelm
parents: 53296
diff changeset
   753
  completion.setBorder(new LineBorder(Color.BLACK))
53023
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   754
  completion.add((new ScrollPane(list_view)).peer.asInstanceOf[JComponent])
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   755
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   756
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   757
  /* popup */
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   758
56605
wenzelm
parents: 56593
diff changeset
   759
  def active_range: Option[Text.Range] =
wenzelm
parents: 56593
diff changeset
   760
    if (isDisplayable) opt_range else None
wenzelm
parents: 56593
diff changeset
   761
53023
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   762
  private val popup =
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   763
  {
53247
bd595338ca18 uniform use of isabelle.jEdit.Popup, based on generic screen location operations;
wenzelm
parents: 53246
diff changeset
   764
    val screen = JEdit_Lib.screen_location(layered, location)
bd595338ca18 uniform use of isabelle.jEdit.Popup, based on generic screen location operations;
wenzelm
parents: 53246
diff changeset
   765
    val size =
53230
6589ff56cc3c determine completion geometry like tooltip;
wenzelm
parents: 53229
diff changeset
   766
    {
6589ff56cc3c determine completion geometry like tooltip;
wenzelm
parents: 53229
diff changeset
   767
      val geometry = JEdit_Lib.window_geometry(completion, completion)
6589ff56cc3c determine completion geometry like tooltip;
wenzelm
parents: 53229
diff changeset
   768
      val bounds = Rendering.popup_bounds
53247
bd595338ca18 uniform use of isabelle.jEdit.Popup, based on generic screen location operations;
wenzelm
parents: 53246
diff changeset
   769
      val w = geometry.width min (screen.bounds.width * bounds).toInt min layered.getWidth
bd595338ca18 uniform use of isabelle.jEdit.Popup, based on generic screen location operations;
wenzelm
parents: 53246
diff changeset
   770
      val h = geometry.height min (screen.bounds.height * bounds).toInt min layered.getHeight
bd595338ca18 uniform use of isabelle.jEdit.Popup, based on generic screen location operations;
wenzelm
parents: 53246
diff changeset
   771
      new Dimension(w, h)
53230
6589ff56cc3c determine completion geometry like tooltip;
wenzelm
parents: 53229
diff changeset
   772
    }
53247
bd595338ca18 uniform use of isabelle.jEdit.Popup, based on generic screen location operations;
wenzelm
parents: 53246
diff changeset
   773
    new Popup(layered, completion, screen.relative(layered, size), size)
53246
8d34caf5bf82 more elementary Popup via JLayeredPane -- avoid javax.swing.PopupFactory with its many problems and dangers of accidental HeavyWeightPopup (especially on Mac OS X);
wenzelm
parents: 53244
diff changeset
   774
  }
8d34caf5bf82 more elementary Popup via JLayeredPane -- avoid javax.swing.PopupFactory with its many problems and dangers of accidental HeavyWeightPopup (especially on Mac OS X);
wenzelm
parents: 53244
diff changeset
   775
56197
416f7a00e4cb back to KeyEventInterceptor (see 423e29f1f304), but without focus change, which helps to avoid loosing key events due to quick opening and closing of popups;
wenzelm
parents: 56177
diff changeset
   776
  private def show_popup(focus: Boolean)
53246
8d34caf5bf82 more elementary Popup via JLayeredPane -- avoid javax.swing.PopupFactory with its many problems and dangers of accidental HeavyWeightPopup (especially on Mac OS X);
wenzelm
parents: 53244
diff changeset
   777
  {
8d34caf5bf82 more elementary Popup via JLayeredPane -- avoid javax.swing.PopupFactory with its many problems and dangers of accidental HeavyWeightPopup (especially on Mac OS X);
wenzelm
parents: 53244
diff changeset
   778
    popup.show
56197
416f7a00e4cb back to KeyEventInterceptor (see 423e29f1f304), but without focus change, which helps to avoid loosing key events due to quick opening and closing of popups;
wenzelm
parents: 56177
diff changeset
   779
    if (focus) list_view.requestFocus
53023
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   780
  }
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   781
53232
4a3762693452 tuned signature;
wenzelm
parents: 53231
diff changeset
   782
  private def hide_popup()
53023
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   783
  {
56197
416f7a00e4cb back to KeyEventInterceptor (see 423e29f1f304), but without focus change, which helps to avoid loosing key events due to quick opening and closing of popups;
wenzelm
parents: 56177
diff changeset
   784
    shutdown(list_view.peer.isFocusOwner)
416f7a00e4cb back to KeyEventInterceptor (see 423e29f1f304), but without focus change, which helps to avoid loosing key events due to quick opening and closing of popups;
wenzelm
parents: 56177
diff changeset
   785
    popup.hide
53023
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   786
  }
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   787
}
f127e949389f Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
wenzelm
parents:
diff changeset
   788