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/* Title: Tools/jEdit/src/debugger_dockable.scala
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Author: Makarius
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Dockable window for Isabelle/ML debugger.
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*/
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package isabelle.jedit
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import isabelle._
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import java.awt.BorderLayout
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import java.awt.event.{ComponentEvent, ComponentAdapter, KeyEvent}
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import scala.swing.{Button, Label, Component}
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import scala.swing.event.ButtonClicked
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import org.gjt.sp.jedit.View
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class Debugger_Dockable(view: View, position: String) extends Dockable(view, position)
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{
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GUI_Thread.require {}
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/* component state -- owned by GUI thread */
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private var current_snapshot = Document.Snapshot.init
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private var current_output: List[XML.Tree] = Nil
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/* common GUI components */
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private val context_label = new Label("Context:") { tooltip = "Isabelle/ML context (optional)" }
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private val context_field =
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new Completion_Popup.History_Text_Field("isabelle-debugger-context")
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{
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setColumns(20)
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setToolTipText(context_label.tooltip)
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setFont(GUI.imitate_font(getFont, Font_Info.main_family(), 1.2))
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}
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private val expression_label = new Label("ML:") { tooltip = "Isabelle/ML expression" }
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private val expression_field =
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new Completion_Popup.History_Text_Field("isabelle-debugger-expression")
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{
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override def processKeyEvent(evt: KeyEvent)
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{
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if (evt.getID == KeyEvent.KEY_PRESSED && evt.getKeyCode == KeyEvent.VK_ENTER)
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eval_expression()
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super.processKeyEvent(evt)
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}
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{ val max = getPreferredSize; max.width = Integer.MAX_VALUE; setMaximumSize(max) }
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setColumns(40)
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setToolTipText(expression_label.tooltip)
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setFont(GUI.imitate_font(getFont, Font_Info.main_family(), 1.2))
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}
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private val eval_button = new Button("<html><b>Eval</b></html>") {
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tooltip = "Evaluate Isabelle/ML expression within optional context"
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reactions += { case ButtonClicked(_) => eval_expression() }
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}
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private def eval_expression()
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{
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// FIXME
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Output.writeln("eval context = " + quote(context_field.getText) + " expression = " +
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quote(expression_field.getText))
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}
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private val zoom = new Font_Info.Zoom_Box { def changed = handle_resize() }
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/* pretty text area */
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val pretty_text_area = new Pretty_Text_Area(view)
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set_content(pretty_text_area)
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override def detach_operation = pretty_text_area.detach_operation
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private def handle_resize()
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{
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GUI_Thread.require {}
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pretty_text_area.resize(
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Font_Info.main(PIDE.options.real("jedit_font_scale") * zoom.factor / 100))
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}
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private def handle_update()
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{
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GUI_Thread.require {}
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val new_snapshot = PIDE.editor.current_node_snapshot(view).getOrElse(current_snapshot)
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val new_output = // FIXME select by thread name
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(for ((_, results) <- Debugger.current_state.output; (_, tree) <- results.iterator)
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yield tree).toList
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if (new_output != current_output)
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pretty_text_area.update(new_snapshot, Command.Results.empty, Pretty.separate(new_output))
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current_snapshot = new_snapshot
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current_output = new_output
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}
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/* main */
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private val main =
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Session.Consumer[Any](getClass.getName) {
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case _: Session.Global_Options =>
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GUI_Thread.later { handle_resize() }
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case Debugger.Event =>
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GUI_Thread.later { handle_update() }
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}
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override def init()
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{
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PIDE.session.global_options += main
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PIDE.session.debugger_events += main
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handle_update()
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}
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override def exit()
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{
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PIDE.session.global_options -= main
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PIDE.session.debugger_events -= main
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delay_resize.revoke()
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}
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/* resize */
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private val delay_resize =
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GUI_Thread.delay_first(PIDE.options.seconds("editor_update_delay")) { handle_resize() }
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addComponentListener(new ComponentAdapter {
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override def componentResized(e: ComponentEvent) { delay_resize.invoke() }
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override def componentShown(e: ComponentEvent) { delay_resize.invoke() }
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})
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/* controls */
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private val controls =
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new Wrap_Panel(Wrap_Panel.Alignment.Right)(
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context_label, Component.wrap(context_field),
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expression_label, Component.wrap(expression_field), eval_button,
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pretty_text_area.search_label, pretty_text_area.search_field, zoom)
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add(controls.peer, BorderLayout.NORTH)
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}
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