src/Tools/jEdit/src/ml_status.scala
changeset 72248 71378e7d148e
parent 72247 c06260b7152c
child 72249 4bf8a8a2d2ad
--- a/src/Tools/jEdit/src/ml_status.scala	Tue Sep 08 21:14:42 2020 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,144 +0,0 @@
-/*  Title:      Tools/jEdit/src/ml_status.scala
-    Author:     Makarius
-
-ML status bar: heap and garbage collection.
-*/
-
-package isabelle.jedit
-
-
-import isabelle._
-
-import java.awt.{Color, Dimension, Graphics, Graphics2D, Insets, RenderingHints}
-import java.awt.font.FontRenderContext
-import java.awt.event.{MouseAdapter, MouseEvent}
-import javax.swing.{JComponent, JLabel}
-
-import org.gjt.sp.jedit.{View, jEdit}
-import org.gjt.sp.jedit.gui.statusbar.{StatusWidgetFactory, Widget}
-
-
-object ML_Status
-{
-  private val template = "99999/99999MB"
-
-  private class GUI(view: View) extends JComponent
-  {
-    /* component state -- owned by GUI thread */
-
-    private var status = ML_Statistics.memory_status(Nil)
-
-
-    /* init */
-
-    setFont(new JLabel().getFont)
-    setToolTipText("ML heap memory (double-click for monitor panel)")
-
-    private val font_render_context = new FontRenderContext(null, true, false)
-    private val line_metrics = getFont.getLineMetrics(template, font_render_context)
-
-    {
-      val bounds = getFont.getStringBounds(template, font_render_context)
-      val dim = new Dimension(bounds.getWidth.toInt, bounds.getHeight.toInt)
-      setPreferredSize(dim)
-      setMaximumSize(dim)
-    }
-
-    setForeground(jEdit.getColorProperty("view.status.foreground"))
-    setBackground(jEdit.getColorProperty("view.status.background"))
-
-    def progress_foreground: Color = jEdit.getColorProperty("view.status.memory.foreground")
-    def progress_background: Color = jEdit.getColorProperty("view.status.memory.background")
-
-
-    /* paint */
-
-    private def update(new_status: ML_Statistics.Memory_Status)
-    {
-      if (status != new_status) {
-        status = new_status
-        repaint()
-      }
-    }
-
-    override def paintComponent(gfx: Graphics)
-    {
-      super.paintComponent(gfx)
-
-      val insets = new Insets(0, 0, 0, 0)
-
-      val width = getWidth - insets.left - insets.right
-      val height = getHeight - insets.top - insets.bottom - 1
-
-      val (text, fraction) =
-        status.gc_progress match {
-          case Some(p) => ("ML cleanup", 1.0 - p)
-          case None =>
-            ((status.heap_used / 1024 / 1024) + "/" + (status.heap_size / 1024 / 1024) + "MB",
-              status.heap_used_fraction)
-        }
-
-      val width2 = (width * fraction).toInt
-
-      val text_bounds = gfx.getFont.getStringBounds(text, font_render_context)
-      val text_x = insets.left + ((width - text_bounds.getWidth).toInt / 2)
-      val text_y = (insets.top + line_metrics.getAscent).toInt
-
-      gfx.asInstanceOf[Graphics2D].
-        setRenderingHint(
-          RenderingHints.KEY_TEXT_ANTIALIASING,
-          RenderingHints.VALUE_TEXT_ANTIALIAS_ON)
-
-      gfx.setColor(progress_background)
-      gfx.fillRect(insets.left, insets.top, width2, height)
-
-      gfx.setColor(progress_foreground)
-      gfx.setClip(insets.left, insets.top, width2, height)
-      gfx.drawString(text, text_x, text_y)
-
-      gfx.setColor(getForeground)
-      gfx.setClip(insets.left + width2, insets.top, getWidth - insets.left - width2, height)
-      gfx.drawString(text, text_x, text_y)
-    }
-
-
-    /* main */
-
-    private val main =
-      Session.Consumer[Session.Runtime_Statistics](getClass.getName) {
-        case stats =>
-          val status = ML_Statistics.memory_status(stats.props)
-          GUI_Thread.later { update(status) }
-      }
-
-    override def addNotify()
-    {
-      super.addNotify()
-      PIDE.session.runtime_statistics += main
-    }
-
-    override def removeNotify()
-    {
-      super.removeNotify()
-      PIDE.session.runtime_statistics -= main
-    }
-
-
-    /* mouse listener */
-
-    addMouseListener(new MouseAdapter {
-      override def mouseClicked(evt: MouseEvent)
-      {
-        if (evt.getClickCount == 2) {
-          view.getInputHandler.invokeAction("isabelle-monitor-float")
-        }
-      }
-    })
-  }
-
-  class Widget_Factory extends StatusWidgetFactory
-  {
-    override def getWidget(view: View): Widget =
-      new Widget { override def getComponent: JComponent = new GUI(view) }
-  }
-}