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