src/Tools/jEdit/src/completion_popup.scala
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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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                  Isabelle.indent_input(text_area)
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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)
56606
68b7a6db4a32 avoid ooddity: invoke intended function instead of java.awt.Container.invalidate();
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   289
          JEdit_Lib.invalidate_range(text_area, range)
56841
bc6faeadbf82 reduced cluttering of popups;
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   290
          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
   291
          completion.show_popup(false)
55693
93ba0085e888 try explicit semantic completion before syntax completion;
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diff changeset
   292
        }
93ba0085e888 try explicit semantic completion before syntax completion;
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diff changeset
   293
      }
93ba0085e888 try explicit semantic completion before syntax completion;
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diff changeset
   294
56175
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diff changeset
   295
      if (buffer.isEditable) {
66117
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   296
        val caret = text_area.getCaretPosition
64882
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   297
        val opt_rendering = Document_View.get(text_area).map(_.get_rendering())
61601
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wenzelm
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   298
        val result0 = syntax_completion(history, explicit, opt_rendering)
15952a05133c syntactic completion may supersede semantic completion, e.g. relevant for "\undefined" vs. "undefined" in ML;
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diff changeset
   299
        val (no_completion, semantic_completion) =
56175
79c29244b377 merge semantic and syntax completion;
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diff changeset
   300
        {
61601
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wenzelm
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diff changeset
   301
          opt_rendering match {
15952a05133c syntactic completion may supersede semantic completion, e.g. relevant for "\undefined" vs. "undefined" in ML;
wenzelm
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   302
            case Some(rendering) =>
66055
wenzelm
parents: 66054
diff changeset
   303
              rendering.semantic_completion_result(history, unicode, result0.map(_.range),
66117
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wenzelm
parents: 66114
diff changeset
   304
                rendering.before_caret_range(caret))
61601
15952a05133c syntactic completion may supersede semantic completion, e.g. relevant for "\undefined" vs. "undefined" in ML;
wenzelm
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diff changeset
   305
            case None => (false, None)
56175
79c29244b377 merge semantic and syntax completion;
wenzelm
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diff changeset
   306
          }
55693
93ba0085e888 try explicit semantic completion before syntax completion;
wenzelm
parents: 55692
diff changeset
   307
        }
56326
c3d7b3bb2708 immediate completion even with delay, which is the default according to 638b29331549;
wenzelm
parents: 56325
diff changeset
   308
        if (no_completion) false
c3d7b3bb2708 immediate completion even with delay, which is the default according to 638b29331549;
wenzelm
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diff changeset
   309
        else {
56564
94c55cc73747 added spell-checker completion dialog, without counting frequency of items due to empty name;
wenzelm
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diff changeset
   310
          val result =
56586
5ef60881681d explicit menu action to complete word;
wenzelm
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diff changeset
   311
          {
61601
15952a05133c syntactic completion may supersede semantic completion, e.g. relevant for "\undefined" vs. "undefined" in ML;
wenzelm
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diff changeset
   312
            val result1 =
56586
5ef60881681d explicit menu action to complete word;
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   313
              if (word_only) None
61601
15952a05133c syntactic completion may supersede semantic completion, e.g. relevant for "\undefined" vs. "undefined" in ML;
wenzelm
parents: 59319
diff changeset
   314
              else Completion.Result.merge(history, semantic_completion, result0)
56564
94c55cc73747 added spell-checker completion dialog, without counting frequency of items due to empty name;
wenzelm
parents: 56326
diff changeset
   315
            opt_rendering match {
61601
15952a05133c syntactic completion may supersede semantic completion, e.g. relevant for "\undefined" vs. "undefined" in ML;
wenzelm
parents: 59319
diff changeset
   316
              case None => result1
56564
94c55cc73747 added spell-checker completion dialog, without counting frequency of items due to empty name;
wenzelm
parents: 56326
diff changeset
   317
              case Some(rendering) =>
66157
cb57fcdbaf70 tuned signature;
wenzelm
parents: 66152
diff changeset
   318
                Completion.Result.merge(history,
66151
26eecd42cbc5 tuned signature;
wenzelm
parents: 66120
diff changeset
   319
                  result1,
26eecd42cbc5 tuned signature;
wenzelm
parents: 66120
diff changeset
   320
                  JEdit_Spell_Checker.completion(rendering, explicit, caret),
66158
ad83d4971dfe clarified modules;
wenzelm
parents: 66157
diff changeset
   321
                  rendering.path_completion(caret),
66152
18e1aba549f6 tuned signature;
wenzelm
parents: 66151
diff changeset
   322
                  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
   323
            }
56586
5ef60881681d explicit menu action to complete word;
wenzelm
parents: 56576
diff changeset
   324
          }
56175
79c29244b377 merge semantic and syntax completion;
wenzelm
parents: 56173
diff changeset
   325
          result match {
79c29244b377 merge semantic and syntax completion;
wenzelm
parents: 56173
diff changeset
   326
            case Some(result) =>
79c29244b377 merge semantic and syntax completion;
wenzelm
parents: 56173
diff changeset
   327
              result.items match {
79c29244b377 merge semantic and syntax completion;
wenzelm
parents: 56173
diff changeset
   328
                case List(item) if result.unique && item.immediate && immediate =>
79c29244b377 merge semantic and syntax completion;
wenzelm
parents: 56173
diff changeset
   329
                  insert(item)
56326
c3d7b3bb2708 immediate completion even with delay, which is the default according to 638b29331549;
wenzelm
parents: 56325
diff changeset
   330
                  true
c3d7b3bb2708 immediate completion even with delay, which is the default according to 638b29331549;
wenzelm
parents: 56325
diff changeset
   331
                case _ :: _ if !delayed =>
56175
79c29244b377 merge semantic and syntax completion;
wenzelm
parents: 56173
diff changeset
   332
                  open_popup(result)
56326
c3d7b3bb2708 immediate completion even with delay, which is the default according to 638b29331549;
wenzelm
parents: 56325
diff changeset
   333
                  false
c3d7b3bb2708 immediate completion even with delay, which is the default according to 638b29331549;
wenzelm
parents: 56325
diff changeset
   334
                case _ => false
56175
79c29244b377 merge semantic and syntax completion;
wenzelm
parents: 56173
diff changeset
   335
              }
56326
c3d7b3bb2708 immediate completion even with delay, which is the default according to 638b29331549;
wenzelm
parents: 56325
diff changeset
   336
            case None => false
56175
79c29244b377 merge semantic and syntax completion;
wenzelm
parents: 56173
diff changeset
   337
          }
53292
f567c1c7b180 option to insert unique completion immediately into buffer;
wenzelm
parents: 53275
diff changeset
   338
        }
55752
43d0e2a34c9d uniform insert vs. popup policy;
wenzelm
parents: 55749
diff changeset
   339
      }
56326
c3d7b3bb2708 immediate completion even with delay, which is the default according to 638b29331549;
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diff changeset
   340
      else false
53292
f567c1c7b180 option to insert unique completion immediately into buffer;
wenzelm
parents: 53275
diff changeset
   341
    }
f567c1c7b180 option to insert unique completion immediately into buffer;
wenzelm
parents: 53275
diff changeset
   342
f567c1c7b180 option to insert unique completion immediately into buffer;
wenzelm
parents: 53275
diff changeset
   343
f567c1c7b180 option to insert unique completion immediately into buffer;
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   344
    /* input key events */
53273
473ea1ed7503 some completion options;
wenzelm
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diff changeset
   345
53272
0dfd78ff7696 more abstract Completion_Popup.Text_Area;
wenzelm
parents: 53247
diff changeset
   346
    def input(evt: KeyEvent)
53242
142f4fff4e40 tuned signature;
wenzelm
parents: 53237
diff changeset
   347
    {
57612
990ffb84489b clarified module name: facilitate alternative GUI frameworks;
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parents: 57588
diff changeset
   348
      GUI_Thread.require {}
53233
4b422e5d64fd some actual completion via outer syntax;
wenzelm
parents: 53232
diff changeset
   349
66180
201d42f67bba indentation of keywords after input;
wenzelm
parents: 66158
diff changeset
   350
      if (!evt.isConsumed) {
201d42f67bba indentation of keywords after input;
wenzelm
parents: 66158
diff changeset
   351
        val special = JEdit_Lib.special_key(evt)
201d42f67bba indentation of keywords after input;
wenzelm
parents: 66158
diff changeset
   352
201d42f67bba indentation of keywords after input;
wenzelm
parents: 66158
diff changeset
   353
        if (PIDE.options.bool("jedit_completion")) {
53273
473ea1ed7503 some completion options;
wenzelm
parents: 53272
diff changeset
   354
          dismissed()
66185
aa002ed3f6d1 clarified indentation;
wenzelm
parents: 66180
diff changeset
   355
          if (evt.getKeyChar != '\b') {
56326
c3d7b3bb2708 immediate completion even with delay, which is the default according to 638b29331549;
wenzelm
parents: 56325
diff changeset
   356
            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
   357
            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
   358
              input_delay.revoke()
56326
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wenzelm
parents: 56325
diff changeset
   359
              action(immediate = immediate)
53397
b179cdfa9d82 no completion on backspace -- too intrusive, e.g. when deleting keywords;
wenzelm
parents: 53337
diff changeset
   360
            }
56326
c3d7b3bb2708 immediate completion even with delay, which is the default according to 638b29331549;
wenzelm
parents: 56325
diff changeset
   361
            else {
c3d7b3bb2708 immediate completion even with delay, which is the default according to 638b29331549;
wenzelm
parents: 56325
diff changeset
   362
              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
   363
                input_delay.revoke()
c3d7b3bb2708 immediate completion even with delay, which is the default according to 638b29331549;
wenzelm
parents: 56325
diff changeset
   364
              else
c3d7b3bb2708 immediate completion even with delay, which is the default according to 638b29331549;
wenzelm
parents: 56325
diff changeset
   365
                input_delay.invoke()
c3d7b3bb2708 immediate completion even with delay, which is the default according to 638b29331549;
wenzelm
parents: 56325
diff changeset
   366
            }
53292
f567c1c7b180 option to insert unique completion immediately into buffer;
wenzelm
parents: 53275
diff changeset
   367
          }
53242
142f4fff4e40 tuned signature;
wenzelm
parents: 53237
diff changeset
   368
        }
66180
201d42f67bba indentation of keywords after input;
wenzelm
parents: 66158
diff changeset
   369
66185
aa002ed3f6d1 clarified indentation;
wenzelm
parents: 66180
diff changeset
   370
        if (!special) Isabelle.indent_input(text_area)
53228
f6c6688961db some key event handling in the manner of SideKickBindings, SideKickCompletionPopup;
wenzelm
parents: 53226
diff changeset
   371
      }
f6c6688961db some key event handling in the manner of SideKickBindings, SideKickCompletionPopup;
wenzelm
parents: 53226
diff changeset
   372
    }
53273
473ea1ed7503 some completion options;
wenzelm
parents: 53272
diff changeset
   373
473ea1ed7503 some completion options;
wenzelm
parents: 53272
diff changeset
   374
    private val input_delay =
57612
990ffb84489b clarified module name: facilitate alternative GUI frameworks;
wenzelm
parents: 57588
diff changeset
   375
      GUI_Thread.delay_last(PIDE.options.seconds("jedit_completion_delay")) {
53322
a4cd032172e0 allow short words for explicit completion;
wenzelm
parents: 53297
diff changeset
   376
        action()
53292
f567c1c7b180 option to insert unique completion immediately into buffer;
wenzelm
parents: 53275
diff changeset
   377
      }
53273
473ea1ed7503 some completion options;
wenzelm
parents: 53272
diff changeset
   378
473ea1ed7503 some completion options;
wenzelm
parents: 53272
diff changeset
   379
53292
f567c1c7b180 option to insert unique completion immediately into buffer;
wenzelm
parents: 53275
diff changeset
   380
    /* dismiss popup */
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
    def dismissed(): Boolean =
f567c1c7b180 option to insert unique completion immediately into buffer;
wenzelm
parents: 53275
diff changeset
   383
    {
57612
990ffb84489b clarified module name: facilitate alternative GUI frameworks;
wenzelm
parents: 57588
diff changeset
   384
      GUI_Thread.require {}
53273
473ea1ed7503 some completion options;
wenzelm
parents: 53272
diff changeset
   385
53292
f567c1c7b180 option to insert unique completion immediately into buffer;
wenzelm
parents: 53275
diff changeset
   386
      completion_popup match {
f567c1c7b180 option to insert unique completion immediately into buffer;
wenzelm
parents: 53275
diff changeset
   387
        case Some(completion) =>
f567c1c7b180 option to insert unique completion immediately into buffer;
wenzelm
parents: 53275
diff changeset
   388
          completion.hide_popup()
f567c1c7b180 option to insert unique completion immediately into buffer;
wenzelm
parents: 53275
diff changeset
   389
          completion_popup = None
f567c1c7b180 option to insert unique completion immediately into buffer;
wenzelm
parents: 53275
diff changeset
   390
          true
f567c1c7b180 option to insert unique completion immediately into buffer;
wenzelm
parents: 53275
diff changeset
   391
        case None =>
f567c1c7b180 option to insert unique completion immediately into buffer;
wenzelm
parents: 53275
diff changeset
   392
          false
53273
473ea1ed7503 some completion options;
wenzelm
parents: 53272
diff changeset
   393
      }
53292
f567c1c7b180 option to insert unique completion immediately into buffer;
wenzelm
parents: 53275
diff changeset
   394
    }
53274
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   395
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   396
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   397
    /* activation */
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   398
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   399
    private val outer_key_listener =
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   400
      JEdit_Lib.key_listener(key_typed = input _)
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
    private def activate()
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   403
    {
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   404
      text_area.addKeyListener(outer_key_listener)
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   405
    }
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   406
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   407
    private def deactivate()
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   408
    {
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   409
      dismissed()
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   410
      text_area.removeKeyListener(outer_key_listener)
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   411
    }
53228
f6c6688961db some key event handling in the manner of SideKickBindings, SideKickCompletionPopup;
wenzelm
parents: 53226
diff changeset
   412
  }
53784
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
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   415
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   416
  /** history text field **/
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   417
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   418
  class History_Text_Field(
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   419
    name: String = null,
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   420
    instant_popups: Boolean = false,
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   421
    enter_adds_to_history: Boolean = true,
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   422
    syntax: Outer_Syntax = Outer_Syntax.init) extends
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   423
    HistoryTextField(name, instant_popups, enter_adds_to_history)
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   424
  {
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   425
    text_field =>
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   426
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
   427
    // 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
   428
    if (GUI.is_macos_laf) text_field.setCaret(new DefaultCaret)
53784
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   429
57612
990ffb84489b clarified module name: facilitate alternative GUI frameworks;
wenzelm
parents: 57588
diff changeset
   430
    // owned by GUI thread
53784
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   431
    private var completion_popup: Option[Completion_Popup] = None
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   432
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
    /* dismiss */
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   435
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   436
    private def dismissed(): Boolean =
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   437
    {
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   438
      completion_popup match {
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   439
        case Some(completion) =>
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   440
          completion.hide_popup()
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   441
          completion_popup = None
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   442
          true
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   443
        case None =>
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   444
          false
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   445
      }
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
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   448
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   449
    /* insert */
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   450
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   451
    private def insert(item: Completion.Item)
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   452
    {
57612
990ffb84489b clarified module name: facilitate alternative GUI frameworks;
wenzelm
parents: 57588
diff changeset
   453
      GUI_Thread.require {}
53784
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   454
55692
19e8b00684f7 more explicit Completion.Item.range, independently of caret;
wenzelm
parents: 55690
diff changeset
   455
      val range = item.range
56863
5fdb61a9a010 allow empty original, e.g. path "";
wenzelm
parents: 56844
diff changeset
   456
      if (text_field.isEditable) {
53784
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   457
        val content = text_field.getText
66114
c137a9f038a6 clarified signature;
wenzelm
parents: 66055
diff changeset
   458
        range.try_substring(content) match {
53784
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   459
          case Some(text) if text == item.original =>
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   460
            text_field.setText(
55692
19e8b00684f7 more explicit Completion.Item.range, independently of caret;
wenzelm
parents: 55690
diff changeset
   461
              content.substring(0, range.start) +
53784
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   462
              item.replacement +
55692
19e8b00684f7 more explicit Completion.Item.range, independently of caret;
wenzelm
parents: 55690
diff changeset
   463
              content.substring(range.stop))
19e8b00684f7 more explicit Completion.Item.range, independently of caret;
wenzelm
parents: 55690
diff changeset
   464
            text_field.getCaret.setDot(range.start + item.replacement.length + item.move)
53784
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   465
          case _ =>
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   466
        }
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   467
      }
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
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   470
56170
638b29331549 allow implicit semantic completion, notably after delay that exceeds usual round-trip time;
wenzelm
parents: 55978
diff changeset
   471
    /* completion action: text field */
53784
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   472
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   473
    def action()
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
      GUI.layered_pane(text_field) match {
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   476
        case Some(layered) if text_field.isEditable =>
65239
509a9b0ad02e avoid global variables with implicit initialization;
wenzelm
parents: 65139
diff changeset
   477
          val history = PIDE.plugin.completion_history.value
53784
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   478
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   479
          val caret = text_field.getCaret.getDot
55813
08a1c860bc12 allow completion within a word (or symbol), like semantic completion;
wenzelm
parents: 55767
diff changeset
   480
          val text = text_field.getText
55748
2e1398b484aa no word completion within word context;
wenzelm
parents: 55747
diff changeset
   481
55749
75a48dc4383e tuned signature;
wenzelm
parents: 55748
diff changeset
   482
          val context = syntax.language_context
55748
2e1398b484aa no word completion within word context;
wenzelm
parents: 55747
diff changeset
   483
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
   484
          syntax.completion.complete(history, true, false, 0, text, caret, context) match {
53784
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   485
            case Some(result) =>
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   486
              val fm = text_field.getFontMetrics(text_field.getFont)
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   487
              val loc =
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   488
                SwingUtilities.convertPoint(text_field, fm.stringWidth(text), fm.getHeight, layered)
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   489
55978
56645c447ee9 tuned description and its rendering;
wenzelm
parents: 55914
diff changeset
   490
              val items = result.items.map(new Item(_))
55711
9e3d64e5919a paint completion range of active popup;
wenzelm
parents: 55693
diff changeset
   491
              val completion =
55978
56645c447ee9 tuned description and its rendering;
wenzelm
parents: 55914
diff changeset
   492
                new Completion_Popup(None, layered, loc, text_field.getFont, items)
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 complete(item: Completion.Item) {
65239
509a9b0ad02e avoid global variables with implicit initialization;
wenzelm
parents: 65139
diff changeset
   495
                    PIDE.plugin.completion_history.update(item)
55978
56645c447ee9 tuned description and its rendering;
wenzelm
parents: 55914
diff changeset
   496
                    insert(item)
56645c447ee9 tuned description and its rendering;
wenzelm
parents: 55914
diff changeset
   497
                  }
56645c447ee9 tuned description and its rendering;
wenzelm
parents: 55914
diff changeset
   498
                  override def propagate(evt: KeyEvent) {
56645c447ee9 tuned description and its rendering;
wenzelm
parents: 55914
diff changeset
   499
                    if (!evt.isConsumed) text_field.processKeyEvent(evt)
56645c447ee9 tuned description and its rendering;
wenzelm
parents: 55914
diff changeset
   500
                  }
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
                  override def shutdown(focus: Boolean) { if (focus) text_field.requestFocus }
53784
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   502
                }
57127
a406e15c3cf7 make double-sure that old popup is dismissed, before replacing it;
wenzelm
parents: 57051
diff changeset
   503
              dismissed()
53784
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   504
              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
   505
              completion.show_popup(true)
53784
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
            case None =>
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
        case _ =>
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
    }
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
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   514
    /* process key event */
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   515
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   516
    private def process(evt: KeyEvent)
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   517
    {
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   518
      if (PIDE.options.bool("jedit_completion")) {
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   519
        dismissed()
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   520
        if (evt.getKeyChar != '\b') {
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   521
          val special = JEdit_Lib.special_key(evt)
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   522
          if (PIDE.options.seconds("jedit_completion_delay").is_zero && !special) {
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   523
            process_delay.revoke()
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   524
            action()
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
          else process_delay.invoke()
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
      }
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   529
    }
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
    private val process_delay =
57612
990ffb84489b clarified module name: facilitate alternative GUI frameworks;
wenzelm
parents: 57588
diff changeset
   532
      GUI_Thread.delay_last(PIDE.options.seconds("jedit_completion_delay")) {
53784
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   533
        action()
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   534
      }
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   535
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   536
    override def processKeyEvent(evt0: KeyEvent)
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   537
    {
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   538
      val evt = KeyEventWorkaround.processKeyEvent(evt0)
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   539
      if (evt != null) {
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   540
        evt.getID match {
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   541
          case KeyEvent.KEY_PRESSED =>
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   542
            val key_code = evt.getKeyCode
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   543
            if (key_code == KeyEvent.VK_ESCAPE) {
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   544
              if (dismissed()) evt.consume
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
          case KeyEvent.KEY_TYPED =>
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   547
            super.processKeyEvent(evt)
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   548
            process(evt)
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   549
            evt.consume
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   550
          case _ =>
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
        if (!evt.isConsumed) super.processKeyEvent(evt)
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   553
      }
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   554
    }
322a3ff42b33 completion popup for history text field;
wenzelm
parents: 53407
diff changeset
   555
  }
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
   556
}
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
   557
53233
4b422e5d64fd some actual completion via outer syntax;
wenzelm
parents: 53232
diff changeset
   558
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
   559
class Completion_Popup private(
56605
wenzelm
parents: 56593
diff changeset
   560
  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
   561
  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
   562
  location: Point,
53272
0dfd78ff7696 more abstract Completion_Popup.Text_Area;
wenzelm
parents: 53247
diff changeset
   563
  font: Font,
55978
56645c447ee9 tuned description and its rendering;
wenzelm
parents: 55914
diff changeset
   564
  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
   565
{
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
   566
  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
   567
57612
990ffb84489b clarified module name: facilitate alternative GUI frameworks;
wenzelm
parents: 57588
diff changeset
   568
  GUI_Thread.require {}
53405
ed2b48af04d9 interpret keys more movement only when needed;
wenzelm
parents: 53398
diff changeset
   569
59319
wenzelm
parents: 59074
diff changeset
   570
  require(items.nonEmpty)
53405
ed2b48af04d9 interpret keys more movement only when needed;
wenzelm
parents: 53398
diff changeset
   571
  val multi = items.length > 1
53232
4a3762693452 tuned signature;
wenzelm
parents: 53231
diff changeset
   572
4a3762693452 tuned signature;
wenzelm
parents: 53231
diff changeset
   573
4a3762693452 tuned signature;
wenzelm
parents: 53231
diff changeset
   574
  /* actions */
4a3762693452 tuned signature;
wenzelm
parents: 53231
diff changeset
   575
53275
b34aac6511ab tuned signature;
wenzelm
parents: 53274
diff changeset
   576
  def complete(item: Completion.Item) { }
53232
4a3762693452 tuned signature;
wenzelm
parents: 53231
diff changeset
   577
  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
   578
  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
   579
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
   580
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 */
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
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
  private val list_view = new ListView(items)
53272
0dfd78ff7696 more abstract Completion_Popup.Text_Area;
wenzelm
parents: 53247
diff changeset
   584
  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
   585
  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
   586
  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
   587
  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
   588
  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
   589
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
   590
  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
   591
    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
   592
      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
   593
      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
   594
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
  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
   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
    list_view.selection.items.toList match {
55978
56645c447ee9 tuned description and its rendering;
wenzelm
parents: 55914
diff changeset
   598
      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
   599
      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
   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
  }
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
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
  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
   604
  {
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
    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
   606
    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
   607
    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
   608
      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
   609
      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
   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
  }
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
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
  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
   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
    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
   616
    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
   617
  }
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
   618
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
   619
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
   620
  /* 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
   621
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
   622
  val inner_key_listener =
53226
9cf8e2263ca7 more systematic JEdit_Lib.key_listener with optional KeyEventWorkaround;
wenzelm
parents: 53023
diff changeset
   623
    JEdit_Lib.key_listener(
9cf8e2263ca7 more systematic JEdit_Lib.key_listener with optional KeyEventWorkaround;
wenzelm
parents: 53023
diff changeset
   624
      key_pressed = (e: KeyEvent) =>
9cf8e2263ca7 more systematic JEdit_Lib.key_listener with optional KeyEventWorkaround;
wenzelm
parents: 53023
diff changeset
   625
        {
9cf8e2263ca7 more systematic JEdit_Lib.key_listener with optional KeyEventWorkaround;
wenzelm
parents: 53023
diff changeset
   626
          if (!e.isConsumed) {
9cf8e2263ca7 more systematic JEdit_Lib.key_listener with optional KeyEventWorkaround;
wenzelm
parents: 53023
diff changeset
   627
            e.getKeyCode match {
57833
2c2bae3da1c2 completion popup supports both ENTER and TAB (default);
wenzelm
parents: 57612
diff changeset
   628
              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
   629
                if (complete_selected()) e.consume
2c2bae3da1c2 completion popup supports both ENTER and TAB (default);
wenzelm
parents: 57612
diff changeset
   630
                hide_popup()
2c2bae3da1c2 completion popup supports both ENTER and TAB (default);
wenzelm
parents: 57612
diff changeset
   631
              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
   632
                if (complete_selected()) e.consume
9cf8e2263ca7 more systematic JEdit_Lib.key_listener with optional KeyEventWorkaround;
wenzelm
parents: 53023
diff changeset
   633
                hide_popup()
9cf8e2263ca7 more systematic JEdit_Lib.key_listener with optional KeyEventWorkaround;
wenzelm
parents: 53023
diff changeset
   634
              case KeyEvent.VK_ESCAPE =>
9cf8e2263ca7 more systematic JEdit_Lib.key_listener with optional KeyEventWorkaround;
wenzelm
parents: 53023
diff changeset
   635
                hide_popup()
9cf8e2263ca7 more systematic JEdit_Lib.key_listener with optional KeyEventWorkaround;
wenzelm
parents: 53023
diff changeset
   636
                e.consume
53405
ed2b48af04d9 interpret keys more movement only when needed;
wenzelm
parents: 53398
diff changeset
   637
              case KeyEvent.VK_UP | KeyEvent.VK_KP_UP if multi =>
53407
wenzelm
parents: 53405
diff changeset
   638
                move_items(-1)
wenzelm
parents: 53405
diff changeset
   639
                e.consume
53405
ed2b48af04d9 interpret keys more movement only when needed;
wenzelm
parents: 53398
diff changeset
   640
              case KeyEvent.VK_DOWN | KeyEvent.VK_KP_DOWN if multi =>
53407
wenzelm
parents: 53405
diff changeset
   641
                move_items(1)
wenzelm
parents: 53405
diff changeset
   642
                e.consume
53405
ed2b48af04d9 interpret keys more movement only when needed;
wenzelm
parents: 53398
diff changeset
   643
              case KeyEvent.VK_PAGE_UP if multi =>
53407
wenzelm
parents: 53405
diff changeset
   644
                move_pages(-1)
wenzelm
parents: 53405
diff changeset
   645
                e.consume
53405
ed2b48af04d9 interpret keys more movement only when needed;
wenzelm
parents: 53398
diff changeset
   646
              case KeyEvent.VK_PAGE_DOWN if multi =>
53407
wenzelm
parents: 53405
diff changeset
   647
                move_pages(1)
wenzelm
parents: 53405
diff changeset
   648
                e.consume
53226
9cf8e2263ca7 more systematic JEdit_Lib.key_listener with optional KeyEventWorkaround;
wenzelm
parents: 53023
diff changeset
   649
              case _ =>
9cf8e2263ca7 more systematic JEdit_Lib.key_listener with optional KeyEventWorkaround;
wenzelm
parents: 53023
diff changeset
   650
                if (e.isActionKey || e.isAltDown || e.isMetaDown || e.isControlDown)
9cf8e2263ca7 more systematic JEdit_Lib.key_listener with optional KeyEventWorkaround;
wenzelm
parents: 53023
diff changeset
   651
                  hide_popup()
9cf8e2263ca7 more systematic JEdit_Lib.key_listener with optional KeyEventWorkaround;
wenzelm
parents: 53023
diff changeset
   652
            }
9cf8e2263ca7 more systematic JEdit_Lib.key_listener with optional KeyEventWorkaround;
wenzelm
parents: 53023
diff changeset
   653
          }
53232
4a3762693452 tuned signature;
wenzelm
parents: 53231
diff changeset
   654
          propagate(e)
53226
9cf8e2263ca7 more systematic JEdit_Lib.key_listener with optional KeyEventWorkaround;
wenzelm
parents: 53023
diff changeset
   655
        },
53232
4a3762693452 tuned signature;
wenzelm
parents: 53231
diff changeset
   656
      key_typed = propagate _
53226
9cf8e2263ca7 more systematic JEdit_Lib.key_listener with optional KeyEventWorkaround;
wenzelm
parents: 53023
diff changeset
   657
    )
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
   658
53274
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53273
diff changeset
   659
  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
   660
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
  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
   662
    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
   663
      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
   664
      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
   665
    }
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
  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
   669
    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
   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
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
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
  /* 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
   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
  override def getFocusTraversalKeysEnabled = false
53297
64c31de7f21c border as for Pretty_Tooltip;
wenzelm
parents: 53296
diff changeset
   676
  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
   677
  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
   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
  /* 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
   681
56605
wenzelm
parents: 56593
diff changeset
   682
  def active_range: Option[Text.Range] =
wenzelm
parents: 56593
diff changeset
   683
    if (isDisplayable) opt_range else None
wenzelm
parents: 56593
diff changeset
   684
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
   685
  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
   686
  {
53247
bd595338ca18 uniform use of isabelle.jEdit.Popup, based on generic screen location operations;
wenzelm
parents: 53246
diff changeset
   687
    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
   688
    val size =
53230
6589ff56cc3c determine completion geometry like tooltip;
wenzelm
parents: 53229
diff changeset
   689
    {
6589ff56cc3c determine completion geometry like tooltip;
wenzelm
parents: 53229
diff changeset
   690
      val geometry = JEdit_Lib.window_geometry(completion, completion)
64621
7116f2634e32 clarified module name;
wenzelm
parents: 63674
diff changeset
   691
      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
   692
      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
   693
      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
   694
      new Dimension(w, h)
53230
6589ff56cc3c determine completion geometry like tooltip;
wenzelm
parents: 53229
diff changeset
   695
    }
53247
bd595338ca18 uniform use of isabelle.jEdit.Popup, based on generic screen location operations;
wenzelm
parents: 53246
diff changeset
   696
    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
   697
  }
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
   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
  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
   700
  {
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
   701
    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
   702
    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
   703
  }
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
   704
53232
4a3762693452 tuned signature;
wenzelm
parents: 53231
diff changeset
   705
  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
   706
  {
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
   707
    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
   708
    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
   709
  }
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
   710
}