src/Tools/jEdit/src/completion_popup.scala
author wenzelm
Wed, 21 Jun 2017 21:55:07 +0200
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parent 66157 cb57fcdbaf70
child 66180 201d42f67bba
permissions -rw-r--r--
clarified modules;
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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 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.output(Symbol.print_newlines(a)) + "</b>" +
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            HTML.output(bs.map(b => " " + Symbol.print_newlines(b)).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: JEdit_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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          val caret = text_area.getCaretPosition
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          if (line_range.contains(caret)) {
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            rendering.before_caret_range(caret).try_restrict(line_range) match {
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              case Some(range) if !range.is_singularity =>
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                val range0 =
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                  Completion.Result.merge(Completion.History.empty,
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                    syntax_completion(Completion.History.empty, true, Some(rendering)),
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                    rendering.path_completion(caret),
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                    Document_Model.bibtex_completion(Completion.History.empty, rendering, caret))
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                  .map(_.range)
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                rendering.semantic_completion(range0, range) match {
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                  case None => range0
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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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                }
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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[JEdit_Rendering]): Option[Completion.Result] =
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    {
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      val buffer = text_area.getBuffer
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      val unicode = Isabelle_Encoding.is_active(buffer)
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      Isabelle.buffer_syntax(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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              caret_range = rendering.before_caret_range(text_area.getCaretPosition)
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              context <- rendering.language_context(caret_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, unicode, 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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    /* 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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            case _ =>
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          }
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        }
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      }
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    }
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    def action(
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      immediate: Boolean = false,
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      explicit: Boolean = false,
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      delayed: Boolean = false,
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      word_only: Boolean = false): Boolean =
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    {
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      val view = text_area.getView
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      val layered = view.getLayeredPane
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      val buffer = text_area.getBuffer
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      val painter = text_area.getPainter
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      val history = PIDE.plugin.completion_history.value
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      val unicode = Isabelle_Encoding.is_active(buffer)
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      def open_popup(result: Completion.Result)
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      {
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        val font =
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          painter.getFont.deriveFont(
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            Font_Info.main_size(PIDE.options.real("jedit_popup_font_scale")))
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        val range = result.range
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        val loc1 = text_area.offsetToXY(range.start)
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        if (loc1 != null) {
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          val loc2 =
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            SwingUtilities.convertPoint(painter,
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              loc1.x, loc1.y + painter.getLineHeight, layered)
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          val items = result.items.map(new Item(_))
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          val completion =
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            new Completion_Popup(Some(range), layered, loc2, font, items)
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            {
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              override def complete(item: Completion.Item) {
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                PIDE.plugin.completion_history.update(item)
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                insert(item)
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              }
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              override def propagate(evt: KeyEvent) {
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                if (view.getKeyEventInterceptor == null)
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                  JEdit_Lib.propagate_key(view, evt)
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                else if (view.getKeyEventInterceptor == inner_key_listener) {
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                  try {
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                    view.setKeyEventInterceptor(null)
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                    JEdit_Lib.propagate_key(view, evt)
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                  }
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                  finally {
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                    if (isDisplayable) view.setKeyEventInterceptor(inner_key_listener)
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                  }
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                }
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                if (evt.getID == KeyEvent.KEY_TYPED) input(evt)
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              }
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              override def shutdown(focus: Boolean) {
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                if (view.getKeyEventInterceptor == inner_key_listener)
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                  view.setKeyEventInterceptor(null)
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                if (focus) text_area.requestFocus
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                JEdit_Lib.invalidate_range(text_area, range)
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              }
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            }
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          dismissed()
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          completion_popup = Some(completion)
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          view.setKeyEventInterceptor(completion.inner_key_listener)
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          JEdit_Lib.invalidate_range(text_area, range)
56841
bc6faeadbf82 reduced cluttering of popups;
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          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
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diff changeset
   290
          completion.show_popup(false)
55693
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diff changeset
   291
        }
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   292
      }
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   293
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diff changeset
   294
      if (buffer.isEditable) {
66117
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   295
        val caret = text_area.getCaretPosition
64882
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   296
        val opt_rendering = Document_View.get(text_area).map(_.get_rendering())
61601
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wenzelm
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   297
        val result0 = syntax_completion(history, explicit, opt_rendering)
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   298
        val (no_completion, semantic_completion) =
56175
79c29244b377 merge semantic and syntax completion;
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   299
        {
61601
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wenzelm
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   300
          opt_rendering match {
15952a05133c syntactic completion may supersede semantic completion, e.g. relevant for "\undefined" vs. "undefined" in ML;
wenzelm
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   301
            case Some(rendering) =>
66055
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diff changeset
   302
              rendering.semantic_completion_result(history, unicode, result0.map(_.range),
66117
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diff changeset
   303
                rendering.before_caret_range(caret))
61601
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wenzelm
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diff changeset
   304
            case None => (false, None)
56175
79c29244b377 merge semantic and syntax completion;
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diff changeset
   305
          }
55693
93ba0085e888 try explicit semantic completion before syntax completion;
wenzelm
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diff changeset
   306
        }
56326
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wenzelm
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diff changeset
   307
        if (no_completion) false
c3d7b3bb2708 immediate completion even with delay, which is the default according to 638b29331549;
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diff changeset
   308
        else {
56564
94c55cc73747 added spell-checker completion dialog, without counting frequency of items due to empty name;
wenzelm
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diff changeset
   309
          val result =
56586
5ef60881681d explicit menu action to complete word;
wenzelm
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   310
          {
61601
15952a05133c syntactic completion may supersede semantic completion, e.g. relevant for "\undefined" vs. "undefined" in ML;
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   311
            val result1 =
56586
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   312
              if (word_only) None
61601
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   313
              else Completion.Result.merge(history, semantic_completion, result0)
56564
94c55cc73747 added spell-checker completion dialog, without counting frequency of items due to empty name;
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parents: 56326
diff changeset
   314
            opt_rendering match {
61601
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wenzelm
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   315
              case None => result1
56564
94c55cc73747 added spell-checker completion dialog, without counting frequency of items due to empty name;
wenzelm
parents: 56326
diff changeset
   316
              case Some(rendering) =>
66157
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   317
                Completion.Result.merge(history,
66151
26eecd42cbc5 tuned signature;
wenzelm
parents: 66120
diff changeset
   318
                  result1,
26eecd42cbc5 tuned signature;
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parents: 66120
diff changeset
   319
                  JEdit_Spell_Checker.completion(rendering, explicit, caret),
66158
ad83d4971dfe clarified modules;
wenzelm
parents: 66157
diff changeset
   320
                  rendering.path_completion(caret),
66152
18e1aba549f6 tuned signature;
wenzelm
parents: 66151
diff changeset
   321
                  Document_Model.bibtex_completion(history, rendering, caret))
56564
94c55cc73747 added spell-checker completion dialog, without counting frequency of items due to empty name;
wenzelm
parents: 56326
diff changeset
   322
            }
56586
5ef60881681d explicit menu action to complete word;
wenzelm
parents: 56576
diff changeset
   323
          }
56175
79c29244b377 merge semantic and syntax completion;
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diff changeset
   324
          result match {
79c29244b377 merge semantic and syntax completion;
wenzelm
parents: 56173
diff changeset
   325
            case Some(result) =>
79c29244b377 merge semantic and syntax completion;
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diff changeset
   326
              result.items match {
79c29244b377 merge semantic and syntax completion;
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diff changeset
   327
                case List(item) if result.unique && item.immediate && immediate =>
79c29244b377 merge semantic and syntax completion;
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diff changeset
   328
                  insert(item)
56326
c3d7b3bb2708 immediate completion even with delay, which is the default according to 638b29331549;
wenzelm
parents: 56325
diff changeset
   329
                  true
c3d7b3bb2708 immediate completion even with delay, which is the default according to 638b29331549;
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parents: 56325
diff changeset
   330
                case _ :: _ if !delayed =>
56175
79c29244b377 merge semantic and syntax completion;
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parents: 56173
diff changeset
   331
                  open_popup(result)
56326
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parents: 56325
diff changeset
   332
                  false
c3d7b3bb2708 immediate completion even with delay, which is the default according to 638b29331549;
wenzelm
parents: 56325
diff changeset
   333
                case _ => false
56175
79c29244b377 merge semantic and syntax completion;
wenzelm
parents: 56173
diff changeset
   334
              }
56326
c3d7b3bb2708 immediate completion even with delay, which is the default according to 638b29331549;
wenzelm
parents: 56325
diff changeset
   335
            case None => false
56175
79c29244b377 merge semantic and syntax completion;
wenzelm
parents: 56173
diff changeset
   336
          }
53292
f567c1c7b180 option to insert unique completion immediately into buffer;
wenzelm
parents: 53275
diff changeset
   337
        }
55752
43d0e2a34c9d uniform insert vs. popup policy;
wenzelm
parents: 55749
diff changeset
   338
      }
56326
c3d7b3bb2708 immediate completion even with delay, which is the default according to 638b29331549;
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diff changeset
   339
      else false
53292
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wenzelm
parents: 53275
diff changeset
   340
    }
f567c1c7b180 option to insert unique completion immediately into buffer;
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diff changeset
   341
f567c1c7b180 option to insert unique completion immediately into buffer;
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parents: 53275
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   342
f567c1c7b180 option to insert unique completion immediately into buffer;
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   343
    /* input key events */
53273
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diff changeset
   344
53272
0dfd78ff7696 more abstract Completion_Popup.Text_Area;
wenzelm
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diff changeset
   345
    def input(evt: KeyEvent)
53242
142f4fff4e40 tuned signature;
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parents: 53237
diff changeset
   346
    {
57612
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parents: 57588
diff changeset
   347
      GUI_Thread.require {}
53233
4b422e5d64fd some actual completion via outer syntax;
wenzelm
parents: 53232
diff changeset
   348
53273
473ea1ed7503 some completion options;
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parents: 53272
diff changeset
   349
      if (PIDE.options.bool("jedit_completion")) {
473ea1ed7503 some completion options;
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diff changeset
   350
        if (!evt.isConsumed) {
473ea1ed7503 some completion options;
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diff changeset
   351
          dismissed()
53397
b179cdfa9d82 no completion on backspace -- too intrusive, e.g. when deleting keywords;
wenzelm
parents: 53337
diff changeset
   352
          if (evt.getKeyChar != '\b') {
53784
322a3ff42b33 completion popup for history text field;
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parents: 53407
diff changeset
   353
            val special = JEdit_Lib.special_key(evt)
56326
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parents: 56325
diff changeset
   354
            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
   355
            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
   356
              input_delay.revoke()
56326
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wenzelm
parents: 56325
diff changeset
   357
              action(immediate = immediate)
53397
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wenzelm
parents: 53337
diff changeset
   358
            }
56326
c3d7b3bb2708 immediate completion even with delay, which is the default according to 638b29331549;
wenzelm
parents: 56325
diff changeset
   359
            else {
c3d7b3bb2708 immediate completion even with delay, which is the default according to 638b29331549;
wenzelm
parents: 56325
diff changeset
   360
              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
   361
                input_delay.revoke()
c3d7b3bb2708 immediate completion even with delay, which is the default according to 638b29331549;
wenzelm
parents: 56325
diff changeset
   362
              else
c3d7b3bb2708 immediate completion even with delay, which is the default according to 638b29331549;
wenzelm
parents: 56325
diff changeset
   363
                input_delay.invoke()
c3d7b3bb2708 immediate completion even with delay, which is the default according to 638b29331549;
wenzelm
parents: 56325
diff changeset
   364
            }
53292
f567c1c7b180 option to insert unique completion immediately into buffer;
wenzelm
parents: 53275
diff changeset
   365
          }
53242
142f4fff4e40 tuned signature;
wenzelm
parents: 53237
diff changeset
   366
        }
53228
f6c6688961db some key event handling in the manner of SideKickBindings, SideKickCompletionPopup;
wenzelm
parents: 53226
diff changeset
   367
      }
f6c6688961db some key event handling in the manner of SideKickBindings, SideKickCompletionPopup;
wenzelm
parents: 53226
diff changeset
   368
    }
53273
473ea1ed7503 some completion options;
wenzelm
parents: 53272
diff changeset
   369
473ea1ed7503 some completion options;
wenzelm
parents: 53272
diff changeset
   370
    private val input_delay =
57612
990ffb84489b clarified module name: facilitate alternative GUI frameworks;
wenzelm
parents: 57588
diff changeset
   371
      GUI_Thread.delay_last(PIDE.options.seconds("jedit_completion_delay")) {
53322
a4cd032172e0 allow short words for explicit completion;
wenzelm
parents: 53297
diff changeset
   372
        action()
53292
f567c1c7b180 option to insert unique completion immediately into buffer;
wenzelm
parents: 53275
diff changeset
   373
      }
53273
473ea1ed7503 some completion options;
wenzelm
parents: 53272
diff changeset
   374
473ea1ed7503 some completion options;
wenzelm
parents: 53272
diff changeset
   375
53292
f567c1c7b180 option to insert unique completion immediately into buffer;
wenzelm
parents: 53275
diff changeset
   376
    /* dismiss popup */
53273
473ea1ed7503 some completion options;
wenzelm
parents: 53272
diff changeset
   377
53292
f567c1c7b180 option to insert unique completion immediately into buffer;
wenzelm
parents: 53275
diff changeset
   378
    def dismissed(): Boolean =
f567c1c7b180 option to insert unique completion immediately into buffer;
wenzelm
parents: 53275
diff changeset
   379
    {
57612
990ffb84489b clarified module name: facilitate alternative GUI frameworks;
wenzelm
parents: 57588
diff changeset
   380
      GUI_Thread.require {}
53273
473ea1ed7503 some completion options;
wenzelm
parents: 53272
diff changeset
   381
53292
f567c1c7b180 option to insert unique completion immediately into buffer;
wenzelm
parents: 53275
diff changeset
   382
      completion_popup match {
f567c1c7b180 option to insert unique completion immediately into buffer;
wenzelm
parents: 53275
diff changeset
   383
        case Some(completion) =>
f567c1c7b180 option to insert unique completion immediately into buffer;
wenzelm
parents: 53275
diff changeset
   384
          completion.hide_popup()
f567c1c7b180 option to insert unique completion immediately into buffer;
wenzelm
parents: 53275
diff changeset
   385
          completion_popup = None
f567c1c7b180 option to insert unique completion immediately into buffer;
wenzelm
parents: 53275
diff changeset
   386
          true
f567c1c7b180 option to insert unique completion immediately into buffer;
wenzelm
parents: 53275
diff changeset
   387
        case None =>
f567c1c7b180 option to insert unique completion immediately into buffer;
wenzelm
parents: 53275
diff changeset
   388
          false
53273
473ea1ed7503 some completion options;
wenzelm
parents: 53272
diff changeset
   389
      }
53292
f567c1c7b180 option to insert unique completion immediately into buffer;
wenzelm
parents: 53275
diff changeset
   390
    }
53274
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   391
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   392
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   393
    /* activation */
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   394
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   395
    private val outer_key_listener =
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   396
      JEdit_Lib.key_listener(key_typed = input _)
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   397
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   398
    private def activate()
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   399
    {
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   400
      text_area.addKeyListener(outer_key_listener)
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   401
    }
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   402
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   403
    private def deactivate()
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   404
    {
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   405
      dismissed()
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   406
      text_area.removeKeyListener(outer_key_listener)
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   407
    }
53228
f6c6688961db some key event handling in the manner of SideKickBindings, SideKickCompletionPopup;
wenzelm
parents: 53226
diff changeset
   408
  }
53784
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   409
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   410
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   411
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   412
  /** history text field **/
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   413
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   414
  class History_Text_Field(
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   415
    name: String = null,
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   416
    instant_popups: Boolean = false,
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   417
    enter_adds_to_history: Boolean = true,
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   418
    syntax: Outer_Syntax = Outer_Syntax.init) extends
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   419
    HistoryTextField(name, instant_popups, enter_adds_to_history)
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   420
  {
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   421
    text_field =>
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   422
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
   423
    // 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
   424
    if (GUI.is_macos_laf) text_field.setCaret(new DefaultCaret)
53784
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   425
57612
990ffb84489b clarified module name: facilitate alternative GUI frameworks;
wenzelm
parents: 57588
diff changeset
   426
    // owned by GUI thread
53784
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   427
    private var completion_popup: Option[Completion_Popup] = None
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   428
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   429
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   430
    /* dismiss */
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   431
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   432
    private def dismissed(): Boolean =
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   433
    {
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   434
      completion_popup match {
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   435
        case Some(completion) =>
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   436
          completion.hide_popup()
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   437
          completion_popup = None
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   438
          true
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   439
        case None =>
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   440
          false
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   441
      }
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   442
    }
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   443
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   444
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   445
    /* insert */
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   446
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   447
    private def insert(item: Completion.Item)
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   448
    {
57612
990ffb84489b clarified module name: facilitate alternative GUI frameworks;
wenzelm
parents: 57588
diff changeset
   449
      GUI_Thread.require {}
53784
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   450
55692
19e8b00684f7 more explicit Completion.Item.range, independently of caret;
wenzelm
parents: 55690
diff changeset
   451
      val range = item.range
56863
5fdb61a9a010 allow empty original, e.g. path "";
wenzelm
parents: 56844
diff changeset
   452
      if (text_field.isEditable) {
53784
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   453
        val content = text_field.getText
66114
c137a9f038a6 clarified signature;
wenzelm
parents: 66055
diff changeset
   454
        range.try_substring(content) match {
53784
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   455
          case Some(text) if text == item.original =>
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   456
            text_field.setText(
55692
19e8b00684f7 more explicit Completion.Item.range, independently of caret;
wenzelm
parents: 55690
diff changeset
   457
              content.substring(0, range.start) +
53784
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   458
              item.replacement +
55692
19e8b00684f7 more explicit Completion.Item.range, independently of caret;
wenzelm
parents: 55690
diff changeset
   459
              content.substring(range.stop))
19e8b00684f7 more explicit Completion.Item.range, independently of caret;
wenzelm
parents: 55690
diff changeset
   460
            text_field.getCaret.setDot(range.start + item.replacement.length + item.move)
53784
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   461
          case _ =>
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   462
        }
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   463
      }
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   464
    }
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   465
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   466
56170
638b29331549 allow implicit semantic completion, notably after delay that exceeds usual round-trip time;
wenzelm
parents: 55978
diff changeset
   467
    /* completion action: text field */
53784
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   468
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   469
    def action()
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   470
    {
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   471
      GUI.layered_pane(text_field) match {
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   472
        case Some(layered) if text_field.isEditable =>
65239
509a9b0ad02e avoid global variables with implicit initialization;
wenzelm
parents: 65139
diff changeset
   473
          val history = PIDE.plugin.completion_history.value
53784
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   474
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   475
          val caret = text_field.getCaret.getDot
55813
08a1c860bc12 allow completion within a word (or symbol), like semantic completion;
wenzelm
parents: 55767
diff changeset
   476
          val text = text_field.getText
55748
2e1398b484aa no word completion within word context;
wenzelm
parents: 55747
diff changeset
   477
55749
75a48dc4383e tuned signature;
wenzelm
parents: 55748
diff changeset
   478
          val context = syntax.language_context
55748
2e1398b484aa no word completion within word context;
wenzelm
parents: 55747
diff changeset
   479
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
   480
          syntax.completion.complete(history, true, false, 0, text, caret, context) match {
53784
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   481
            case Some(result) =>
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   482
              val fm = text_field.getFontMetrics(text_field.getFont)
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   483
              val loc =
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   484
                SwingUtilities.convertPoint(text_field, fm.stringWidth(text), fm.getHeight, layered)
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   485
55978
56645c447ee9 tuned description and its rendering;
wenzelm
parents: 55914
diff changeset
   486
              val items = result.items.map(new Item(_))
55711
9e3d64e5919a paint completion range of active popup;
wenzelm
parents: 55693
diff changeset
   487
              val completion =
55978
56645c447ee9 tuned description and its rendering;
wenzelm
parents: 55914
diff changeset
   488
                new Completion_Popup(None, layered, loc, text_field.getFont, items)
56645c447ee9 tuned description and its rendering;
wenzelm
parents: 55914
diff changeset
   489
                {
56645c447ee9 tuned description and its rendering;
wenzelm
parents: 55914
diff changeset
   490
                  override def complete(item: Completion.Item) {
65239
509a9b0ad02e avoid global variables with implicit initialization;
wenzelm
parents: 65139
diff changeset
   491
                    PIDE.plugin.completion_history.update(item)
55978
56645c447ee9 tuned description and its rendering;
wenzelm
parents: 55914
diff changeset
   492
                    insert(item)
56645c447ee9 tuned description and its rendering;
wenzelm
parents: 55914
diff changeset
   493
                  }
56645c447ee9 tuned description and its rendering;
wenzelm
parents: 55914
diff changeset
   494
                  override def propagate(evt: KeyEvent) {
56645c447ee9 tuned description and its rendering;
wenzelm
parents: 55914
diff changeset
   495
                    if (!evt.isConsumed) text_field.processKeyEvent(evt)
56645c447ee9 tuned description and its rendering;
wenzelm
parents: 55914
diff changeset
   496
                  }
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
   497
                  override def shutdown(focus: Boolean) { if (focus) text_field.requestFocus }
53784
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   498
                }
57127
a406e15c3cf7 make double-sure that old popup is dismissed, before replacing it;
wenzelm
parents: 57051
diff changeset
   499
              dismissed()
53784
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   500
              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
   501
              completion.show_popup(true)
53784
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   502
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   503
            case None =>
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   504
          }
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   505
        case _ =>
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   506
      }
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   507
    }
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   508
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
    /* process key event */
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   511
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   512
    private def process(evt: KeyEvent)
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   513
    {
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   514
      if (PIDE.options.bool("jedit_completion")) {
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   515
        dismissed()
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   516
        if (evt.getKeyChar != '\b') {
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   517
          val special = JEdit_Lib.special_key(evt)
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   518
          if (PIDE.options.seconds("jedit_completion_delay").is_zero && !special) {
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   519
            process_delay.revoke()
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   520
            action()
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   521
          }
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   522
          else process_delay.invoke()
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
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   527
    private val process_delay =
57612
990ffb84489b clarified module name: facilitate alternative GUI frameworks;
wenzelm
parents: 57588
diff changeset
   528
      GUI_Thread.delay_last(PIDE.options.seconds("jedit_completion_delay")) {
53784
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   529
        action()
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   530
      }
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   531
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   532
    override def processKeyEvent(evt0: KeyEvent)
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   533
    {
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   534
      val evt = KeyEventWorkaround.processKeyEvent(evt0)
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   535
      if (evt != null) {
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   536
        evt.getID match {
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   537
          case KeyEvent.KEY_PRESSED =>
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   538
            val key_code = evt.getKeyCode
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   539
            if (key_code == KeyEvent.VK_ESCAPE) {
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   540
              if (dismissed()) evt.consume
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   541
            }
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   542
          case KeyEvent.KEY_TYPED =>
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   543
            super.processKeyEvent(evt)
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   544
            process(evt)
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   545
            evt.consume
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   546
          case _ =>
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   547
        }
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   548
        if (!evt.isConsumed) super.processKeyEvent(evt)
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
    }
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   551
  }
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
   552
}
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
   553
53233
4b422e5d64fd some actual completion via outer syntax;
wenzelm
parents: 53232
diff changeset
   554
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
   555
class Completion_Popup private(
56605
wenzelm
parents: 56593
diff changeset
   556
  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
   557
  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
   558
  location: Point,
53272
0dfd78ff7696 more abstract Completion_Popup.Text_Area;
wenzelm
parents: 53247
diff changeset
   559
  font: Font,
55978
56645c447ee9 tuned description and its rendering;
wenzelm
parents: 55914
diff changeset
   560
  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
   561
{
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
   562
  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
   563
57612
990ffb84489b clarified module name: facilitate alternative GUI frameworks;
wenzelm
parents: 57588
diff changeset
   564
  GUI_Thread.require {}
53405
ed2b48af04d9 interpret keys more movement only when needed;
wenzelm
parents: 53398
diff changeset
   565
59319
wenzelm
parents: 59074
diff changeset
   566
  require(items.nonEmpty)
53405
ed2b48af04d9 interpret keys more movement only when needed;
wenzelm
parents: 53398
diff changeset
   567
  val multi = items.length > 1
53232
4a3762693452 tuned signature;
wenzelm
parents: 53231
diff changeset
   568
4a3762693452 tuned signature;
wenzelm
parents: 53231
diff changeset
   569
4a3762693452 tuned signature;
wenzelm
parents: 53231
diff changeset
   570
  /* actions */
4a3762693452 tuned signature;
wenzelm
parents: 53231
diff changeset
   571
53275
b34aac6511ab tuned signature;
wenzelm
parents: 53274
diff changeset
   572
  def complete(item: Completion.Item) { }
53232
4a3762693452 tuned signature;
wenzelm
parents: 53231
diff changeset
   573
  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
   574
  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
   575
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
   576
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
   577
  /* 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
   578
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
   579
  private val list_view = new ListView(items)
53272
0dfd78ff7696 more abstract Completion_Popup.Text_Area;
wenzelm
parents: 53247
diff changeset
   580
  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
   581
  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
   582
  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
   583
  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
   584
  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
   585
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
   586
  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
   587
    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
   588
      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
   589
      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
   590
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
   591
  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
   592
  {
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
   593
    list_view.selection.items.toList match {
55978
56645c447ee9 tuned description and its rendering;
wenzelm
parents: 55914
diff changeset
   594
      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
   595
      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
   596
    }
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
   597
  }
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
   598
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
   599
  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
   600
  {
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
   601
    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
   602
    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
   603
    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
   604
      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
   605
      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
   606
    }
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
   607
  }
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
   608
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
   609
  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
   610
  {
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
   611
    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
   612
    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
   613
  }
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
   614
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
   615
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
   616
  /* 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
   617
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
   618
  val inner_key_listener =
53226
9cf8e2263ca7 more systematic JEdit_Lib.key_listener with optional KeyEventWorkaround;
wenzelm
parents: 53023
diff changeset
   619
    JEdit_Lib.key_listener(
9cf8e2263ca7 more systematic JEdit_Lib.key_listener with optional KeyEventWorkaround;
wenzelm
parents: 53023
diff changeset
   620
      key_pressed = (e: KeyEvent) =>
9cf8e2263ca7 more systematic JEdit_Lib.key_listener with optional KeyEventWorkaround;
wenzelm
parents: 53023
diff changeset
   621
        {
9cf8e2263ca7 more systematic JEdit_Lib.key_listener with optional KeyEventWorkaround;
wenzelm
parents: 53023
diff changeset
   622
          if (!e.isConsumed) {
9cf8e2263ca7 more systematic JEdit_Lib.key_listener with optional KeyEventWorkaround;
wenzelm
parents: 53023
diff changeset
   623
            e.getKeyCode match {
57833
2c2bae3da1c2 completion popup supports both ENTER and TAB (default);
wenzelm
parents: 57612
diff changeset
   624
              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
   625
                if (complete_selected()) e.consume
2c2bae3da1c2 completion popup supports both ENTER and TAB (default);
wenzelm
parents: 57612
diff changeset
   626
                hide_popup()
2c2bae3da1c2 completion popup supports both ENTER and TAB (default);
wenzelm
parents: 57612
diff changeset
   627
              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
   628
                if (complete_selected()) e.consume
9cf8e2263ca7 more systematic JEdit_Lib.key_listener with optional KeyEventWorkaround;
wenzelm
parents: 53023
diff changeset
   629
                hide_popup()
9cf8e2263ca7 more systematic JEdit_Lib.key_listener with optional KeyEventWorkaround;
wenzelm
parents: 53023
diff changeset
   630
              case KeyEvent.VK_ESCAPE =>
9cf8e2263ca7 more systematic JEdit_Lib.key_listener with optional KeyEventWorkaround;
wenzelm
parents: 53023
diff changeset
   631
                hide_popup()
9cf8e2263ca7 more systematic JEdit_Lib.key_listener with optional KeyEventWorkaround;
wenzelm
parents: 53023
diff changeset
   632
                e.consume
53405
ed2b48af04d9 interpret keys more movement only when needed;
wenzelm
parents: 53398
diff changeset
   633
              case KeyEvent.VK_UP | KeyEvent.VK_KP_UP if multi =>
53407
wenzelm
parents: 53405
diff changeset
   634
                move_items(-1)
wenzelm
parents: 53405
diff changeset
   635
                e.consume
53405
ed2b48af04d9 interpret keys more movement only when needed;
wenzelm
parents: 53398
diff changeset
   636
              case KeyEvent.VK_DOWN | KeyEvent.VK_KP_DOWN if multi =>
53407
wenzelm
parents: 53405
diff changeset
   637
                move_items(1)
wenzelm
parents: 53405
diff changeset
   638
                e.consume
53405
ed2b48af04d9 interpret keys more movement only when needed;
wenzelm
parents: 53398
diff changeset
   639
              case KeyEvent.VK_PAGE_UP if multi =>
53407
wenzelm
parents: 53405
diff changeset
   640
                move_pages(-1)
wenzelm
parents: 53405
diff changeset
   641
                e.consume
53405
ed2b48af04d9 interpret keys more movement only when needed;
wenzelm
parents: 53398
diff changeset
   642
              case KeyEvent.VK_PAGE_DOWN if multi =>
53407
wenzelm
parents: 53405
diff changeset
   643
                move_pages(1)
wenzelm
parents: 53405
diff changeset
   644
                e.consume
53226
9cf8e2263ca7 more systematic JEdit_Lib.key_listener with optional KeyEventWorkaround;
wenzelm
parents: 53023
diff changeset
   645
              case _ =>
9cf8e2263ca7 more systematic JEdit_Lib.key_listener with optional KeyEventWorkaround;
wenzelm
parents: 53023
diff changeset
   646
                if (e.isActionKey || e.isAltDown || e.isMetaDown || e.isControlDown)
9cf8e2263ca7 more systematic JEdit_Lib.key_listener with optional KeyEventWorkaround;
wenzelm
parents: 53023
diff changeset
   647
                  hide_popup()
9cf8e2263ca7 more systematic JEdit_Lib.key_listener with optional KeyEventWorkaround;
wenzelm
parents: 53023
diff changeset
   648
            }
9cf8e2263ca7 more systematic JEdit_Lib.key_listener with optional KeyEventWorkaround;
wenzelm
parents: 53023
diff changeset
   649
          }
53232
4a3762693452 tuned signature;
wenzelm
parents: 53231
diff changeset
   650
          propagate(e)
53226
9cf8e2263ca7 more systematic JEdit_Lib.key_listener with optional KeyEventWorkaround;
wenzelm
parents: 53023
diff changeset
   651
        },
53232
4a3762693452 tuned signature;
wenzelm
parents: 53231
diff changeset
   652
      key_typed = propagate _
53226
9cf8e2263ca7 more systematic JEdit_Lib.key_listener with optional KeyEventWorkaround;
wenzelm
parents: 53023
diff changeset
   653
    )
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
   654
53274
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   655
  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
   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
  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
   658
    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
   659
      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
   660
      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
   661
    }
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
  })
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
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.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
   665
    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
   666
  })
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
   667
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
   668
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
   669
  /* 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
   670
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
   671
  override def getFocusTraversalKeysEnabled = false
53297
64c31de7f21c border as for Pretty_Tooltip;
wenzelm
parents: 53296
diff changeset
   672
  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
   673
  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
   674
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
   675
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
  /* 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
   677
56605
wenzelm
parents: 56593
diff changeset
   678
  def active_range: Option[Text.Range] =
wenzelm
parents: 56593
diff changeset
   679
    if (isDisplayable) opt_range else None
wenzelm
parents: 56593
diff changeset
   680
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
   681
  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
   682
  {
53247
bd595338ca18 uniform use of isabelle.jEdit.Popup, based on generic screen location operations;
wenzelm
parents: 53246
diff changeset
   683
    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
   684
    val size =
53230
6589ff56cc3c determine completion geometry like tooltip;
wenzelm
parents: 53229
diff changeset
   685
    {
6589ff56cc3c determine completion geometry like tooltip;
wenzelm
parents: 53229
diff changeset
   686
      val geometry = JEdit_Lib.window_geometry(completion, completion)
64621
7116f2634e32 clarified module name;
wenzelm
parents: 63674
diff changeset
   687
      val bounds = JEdit_Rendering.popup_bounds
53247
bd595338ca18 uniform use of isabelle.jEdit.Popup, based on generic screen location operations;
wenzelm
parents: 53246
diff changeset
   688
      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
   689
      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
   690
      new Dimension(w, h)
53230
6589ff56cc3c determine completion geometry like tooltip;
wenzelm
parents: 53229
diff changeset
   691
    }
53247
bd595338ca18 uniform use of isabelle.jEdit.Popup, based on generic screen location operations;
wenzelm
parents: 53246
diff changeset
   692
    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
   693
  }
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
   694
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
   695
  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
   696
  {
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
   697
    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
   698
    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
   699
  }
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
   700
53232
4a3762693452 tuned signature;
wenzelm
parents: 53231
diff changeset
   701
  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
   702
  {
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
   703
    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
   704
    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
   705
  }
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
   706
}