author | wenzelm |
Thu, 01 Sep 2011 13:34:45 +0200 | |
changeset 44615 | a4ff8a787202 |
parent 44608 | 76c2e3ddc183 |
child 44776 | 47e8c8daccae |
permissions | -rw-r--r-- |
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/* Title: Tools/jEdit/src/document_view.scala |
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Author: Fabian Immler, TU Munich |
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Author: Makarius |
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Document view connected to jEdit text area. |
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*/ |
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package isabelle.jedit |
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import isabelle._ |
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import scala.collection.mutable |
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import scala.actors.Actor._ |
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import java.lang.System |
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import java.awt.{BorderLayout, Graphics, Color, Dimension, Graphics2D, Point} |
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import java.awt.event.{MouseAdapter, MouseMotionAdapter, MouseEvent, |
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FocusAdapter, FocusEvent, WindowEvent, WindowAdapter} |
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import javax.swing.{JPanel, ToolTipManager, Popup, PopupFactory, SwingUtilities, BorderFactory} |
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import javax.swing.event.{CaretListener, CaretEvent} |
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import org.gjt.sp.util.Log |
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import org.gjt.sp.jedit.{jEdit, OperatingSystem, Debug} |
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import org.gjt.sp.jedit.gui.RolloverButton |
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import org.gjt.sp.jedit.options.GutterOptionPane |
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import org.gjt.sp.jedit.textarea.{JEditTextArea, TextArea, TextAreaExtension, TextAreaPainter, |
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ScrollListener} |
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import org.gjt.sp.jedit.syntax.{SyntaxStyle} |
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object Document_View |
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{ |
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/* document view of text area */ |
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private val key = new Object |
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def apply(text_area: JEditTextArea): Option[Document_View] = |
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{ |
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Swing_Thread.require() |
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text_area.getClientProperty(key) match { |
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case doc_view: Document_View => Some(doc_view) |
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case _ => None |
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} |
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} |
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def exit(text_area: JEditTextArea) |
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{ |
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Swing_Thread.require() |
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apply(text_area) match { |
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case None => |
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case Some(doc_view) => |
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doc_view.deactivate() |
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text_area.putClientProperty(key, null) |
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} |
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} |
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def init(model: Document_Model, text_area: JEditTextArea): Document_View = |
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{ |
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exit(text_area) |
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val doc_view = new Document_View(model, text_area) |
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text_area.putClientProperty(key, doc_view) |
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doc_view.activate() |
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doc_view |
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} |
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} |
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class Document_View(val model: Document_Model, val text_area: JEditTextArea) |
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{ |
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private val session = model.session |
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/* robust extension body */ |
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def robust_body[A](default: A)(body: => A): A = |
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{ |
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try { |
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Swing_Thread.require() |
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if (model.buffer == text_area.getBuffer) body |
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else { |
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Log.log(Log.ERROR, this, ERROR("Inconsistent document model")) |
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default |
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} |
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} |
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catch { case t: Throwable => Log.log(Log.ERROR, this, t); default } |
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} |
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/* visible text range */ |
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// simplify slightly odd result of TextArea.getScreenLineEndOffset etc. |
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// NB: jEdit already normalizes \r\n and \r to \n |
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def proper_line_range(start: Text.Offset, end: Text.Offset): Text.Range = |
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{ |
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val stop = if (start < end) end - 1 else end min model.buffer.getLength |
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Text.Range(start, stop) |
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} |
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def visible_range(): Text.Range = |
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{ |
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val start = text_area.getScreenLineStartOffset(0) |
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val raw_end = text_area.getScreenLineEndOffset(text_area.getVisibleLines - 1 max 0) |
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proper_line_range(start, if (raw_end >= 0) raw_end else model.buffer.getLength) |
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} |
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def invalidate_range(range: Text.Range) |
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{ |
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text_area.invalidateLineRange( |
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model.buffer.getLineOfOffset(range.start), |
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model.buffer.getLineOfOffset(range.stop)) |
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} |
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/* perspective */ |
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def perspective(): Text.Perspective = |
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{ |
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Swing_Thread.require() |
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val buffer_range = Text.Range(0, (model.buffer.getLength - 1) max 0) |
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Text.Perspective( |
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for { |
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i <- 0 until text_area.getVisibleLines |
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val start = text_area.getScreenLineStartOffset(i) |
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val stop = text_area.getScreenLineEndOffset(i) |
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if start >= 0 && stop >= 0 |
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val range <- buffer_range.try_restrict(Text.Range(start, stop)) |
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if !range.is_singularity |
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} |
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yield range) |
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} |
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private def update_perspective = new TextAreaExtension |
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{ |
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override def paintScreenLineRange(gfx: Graphics2D, |
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first_line: Int, last_line: Int, physical_lines: Array[Int], |
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start: Array[Int], end: Array[Int], y: Int, line_height: Int) |
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{ |
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model.update_perspective() |
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} |
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} |
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/* snapshot */ |
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// owned by Swing thread |
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@volatile private var was_outdated = false |
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@volatile private var was_updated = false |
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def update_snapshot(): Document.Snapshot = |
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{ |
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Swing_Thread.require() |
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val snapshot = model.snapshot() |
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was_updated = was_outdated && !snapshot.is_outdated |
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was_outdated = was_outdated || snapshot.is_outdated |
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snapshot |
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} |
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159 |
|
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160 |
def flush_snapshot(): (Boolean, Document.Snapshot) = |
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161 |
{ |
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162 |
Swing_Thread.require() |
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val snapshot = update_snapshot() |
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164 |
val updated = was_updated |
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if (updated) { was_outdated = false; was_updated = false } |
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(updated, snapshot) |
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167 |
} |
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168 |
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169 |
|
39740 | 170 |
/* HTML popups */ |
171 |
||
172 |
private var html_popup: Option[Popup] = None |
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private def exit_popup() { html_popup.map(_.hide) } |
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private val html_panel = |
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new HTML_Panel(Isabelle.font_family(), scala.math.round(Isabelle.font_size())) |
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html_panel.setBorder(BorderFactory.createLineBorder(Color.black)) |
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private def html_panel_resize() |
181 |
{ |
|
182 |
Swing_Thread.now { |
|
183 |
html_panel.resize(Isabelle.font_family(), scala.math.round(Isabelle.font_size())) |
|
184 |
} |
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} |
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private def init_popup(snapshot: Document.Snapshot, x: Int, y: Int) |
188 |
{ |
|
189 |
exit_popup() |
|
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/* FIXME broken |
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val offset = text_area.xyToOffset(x, y) |
192 |
val p = new Point(x, y); SwingUtilities.convertPointToScreen(p, text_area.getPainter) |
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|
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// FIXME snapshot.cumulate |
195 |
snapshot.select_markup(Text.Range(offset, offset + 1))(Isabelle_Markup.popup) match { |
|
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case Text.Info(_, Some(msg)) #:: _ => |
|
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val popup = PopupFactory.getSharedInstance().getPopup(text_area, html_panel, p.x, p.y + 60) |
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html_panel.render_sync(List(msg)) |
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Thread.sleep(10) // FIXME !? |
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popup.show |
201 |
html_popup = Some(popup) |
|
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case _ => |
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} |
40154 | 204 |
*/ |
34678 | 205 |
} |
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206 |
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207 |
|
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/* subexpression highlighting */ |
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209 |
|
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private def subexp_range(snapshot: Document.Snapshot, x: Int, y: Int) |
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: Option[(Text.Range, Color)] = |
39132 | 212 |
{ |
213 |
val offset = text_area.xyToOffset(x, y) |
|
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snapshot.select_markup(Text.Range(offset, offset + 1))(Isabelle_Markup.subexp) match { |
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case Text.Info(_, Some((range, color))) #:: _ => Some((snapshot.convert(range), color)) |
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case _ => None |
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217 |
} |
39132 | 218 |
} |
219 |
||
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@volatile private var _highlight_range: Option[(Text.Range, Color)] = None |
221 |
def highlight_range(): Option[(Text.Range, Color)] = _highlight_range |
|
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222 |
|
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|
224 |
/* CONTROL-mouse management */ |
|
225 |
||
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private var control: Boolean = false |
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227 |
|
39740 | 228 |
private def exit_control() |
229 |
{ |
|
230 |
exit_popup() |
|
43381 | 231 |
_highlight_range = None |
39740 | 232 |
} |
233 |
||
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private val focus_listener = new FocusAdapter { |
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235 |
override def focusLost(e: FocusEvent) { |
43381 | 236 |
_highlight_range = None // FIXME exit_control !? |
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237 |
} |
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238 |
} |
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239 |
|
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240 |
private val window_listener = new WindowAdapter { |
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241 |
override def windowIconified(e: WindowEvent) { exit_control() } |
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242 |
override def windowDeactivated(e: WindowEvent) { exit_control() } |
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243 |
} |
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244 |
|
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private val mouse_motion_listener = new MouseMotionAdapter { |
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246 |
override def mouseMoved(e: MouseEvent) { |
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247 |
control = if (OperatingSystem.isMacOS()) e.isMetaDown else e.isControlDown |
39740 | 248 |
val x = e.getX() |
249 |
val y = e.getY() |
|
250 |
||
251 |
if (!model.buffer.isLoaded) exit_control() |
|
39132 | 252 |
else |
253 |
Isabelle.swing_buffer_lock(model.buffer) { |
|
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254 |
val snapshot = update_snapshot() |
39740 | 255 |
|
256 |
if (control) init_popup(snapshot, x, y) |
|
257 |
||
44378 | 258 |
_highlight_range map { case (range, _) => invalidate_range(range) } |
43381 | 259 |
_highlight_range = if (control) subexp_range(snapshot, x, y) else None |
44378 | 260 |
_highlight_range map { case (range, _) => invalidate_range(range) } |
39132 | 261 |
} |
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262 |
} |
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|
263 |
} |
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|
264 |
|
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265 |
|
43381 | 266 |
/* text area painting */ |
39044 | 267 |
|
43381 | 268 |
private val text_area_painter = new Text_Area_Painter(this) |
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|
269 |
|
43381 | 270 |
private val tooltip_painter = new TextAreaExtension |
271 |
{ |
|
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272 |
override def getToolTipText(x: Int, y: Int): String = |
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273 |
{ |
43404 | 274 |
robust_body(null: String) { |
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275 |
val snapshot = update_snapshot() |
38845
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|
276 |
val offset = text_area.xyToOffset(x, y) |
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|
277 |
if (control) { |
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|
278 |
snapshot.select_markup(Text.Range(offset, offset + 1))(Isabelle_Markup.tooltip) match |
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|
279 |
{ |
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|
280 |
case Text.Info(_, Some(text)) #:: _ => Isabelle.tooltip(text) |
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|
281 |
case _ => null |
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|
282 |
} |
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|
283 |
} |
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|
284 |
else { |
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|
285 |
// FIXME snapshot.cumulate |
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|
286 |
snapshot.select_markup(Text.Range(offset, offset + 1))(Isabelle_Markup.popup) match |
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|
287 |
{ |
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|
288 |
case Text.Info(_, Some(text)) #:: _ => Isabelle.tooltip(text) |
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|
289 |
case _ => null |
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|
290 |
} |
39174
b95cf3892483
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|
291 |
} |
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|
292 |
} |
34734 | 293 |
} |
34678 | 294 |
} |
34513 | 295 |
|
42825 | 296 |
private val gutter_painter = new TextAreaExtension |
39175 | 297 |
{ |
298 |
override def paintScreenLineRange(gfx: Graphics2D, |
|
299 |
first_line: Int, last_line: Int, physical_lines: Array[Int], |
|
300 |
start: Array[Int], end: Array[Int], y: Int, line_height: Int) |
|
301 |
{ |
|
43404 | 302 |
robust_body(()) { |
303 |
val gutter = text_area.getGutter |
|
304 |
val width = GutterOptionPane.getSelectionAreaWidth |
|
305 |
val border_width = jEdit.getIntegerProperty("view.gutter.borderWidth", 3) |
|
306 |
val FOLD_MARKER_SIZE = 12 |
|
43419
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|
307 |
|
43404 | 308 |
if (gutter.isSelectionAreaEnabled && !gutter.isExpanded && width >= 12 && line_height >= 12) { |
309 |
Isabelle.swing_buffer_lock(model.buffer) { |
|
43419
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|
310 |
val snapshot = update_snapshot() |
43404 | 311 |
for (i <- 0 until physical_lines.length) { |
312 |
if (physical_lines(i) != -1) { |
|
313 |
val line_range = proper_line_range(start(i), end(i)) |
|
43419
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changeset
|
314 |
|
43404 | 315 |
// gutter icons |
316 |
val icons = |
|
317 |
(for (Text.Info(_, Some(icon)) <- // FIXME snapshot.cumulate |
|
318 |
snapshot.select_markup(line_range)(Isabelle_Markup.gutter_message).iterator) |
|
319 |
yield icon).toList.sortWith(_ >= _) |
|
320 |
icons match { |
|
321 |
case icon :: _ => |
|
322 |
val icn = icon.icon |
|
323 |
val x0 = (FOLD_MARKER_SIZE + width - border_width - icn.getIconWidth) max 10 |
|
324 |
val y0 = y + i * line_height + (((line_height - icn.getIconHeight) / 2) max 0) |
|
325 |
icn.paintIcon(gutter, gfx, x0, y0) |
|
326 |
case Nil => |
|
327 |
} |
|
39175 | 328 |
} |
329 |
} |
|
330 |
} |
|
331 |
} |
|
332 |
} |
|
333 |
} |
|
334 |
} |
|
335 |
||
336 |
||
43448
90aec5043461
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|
337 |
/* caret range */ |
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|
338 |
|
90aec5043461
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|
339 |
def caret_range(): Text.Range = |
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|
340 |
Isabelle.buffer_lock(model.buffer) { |
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|
341 |
def text(i: Text.Offset): Char = model.buffer.getText(i, 1).charAt(0) |
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|
342 |
val caret = text_area.getCaretPosition |
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|
343 |
try { |
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|
344 |
val c = text(caret) |
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|
345 |
if (Character.isHighSurrogate(c) && Character.isLowSurrogate(text(caret + 1))) |
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|
346 |
Text.Range(caret, caret + 2) |
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|
347 |
else if (Character.isLowSurrogate(c) && Character.isHighSurrogate(text(caret - 1))) |
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|
348 |
Text.Range(caret - 1, caret + 1) |
90aec5043461
more robust caret painting wrt. surrogate characters;
wenzelm
parents:
43419
diff
changeset
|
349 |
else Text.Range(caret, caret + 1) |
90aec5043461
more robust caret painting wrt. surrogate characters;
wenzelm
parents:
43419
diff
changeset
|
350 |
} |
90aec5043461
more robust caret painting wrt. surrogate characters;
wenzelm
parents:
43419
diff
changeset
|
351 |
catch { case _: ArrayIndexOutOfBoundsException => Text.Range(caret, caret + 1) } |
90aec5043461
more robust caret painting wrt. surrogate characters;
wenzelm
parents:
43419
diff
changeset
|
352 |
} |
90aec5043461
more robust caret painting wrt. surrogate characters;
wenzelm
parents:
43419
diff
changeset
|
353 |
|
90aec5043461
more robust caret painting wrt. surrogate characters;
wenzelm
parents:
43419
diff
changeset
|
354 |
|
37129 | 355 |
/* caret handling */ |
34810 | 356 |
|
37849 | 357 |
def selected_command(): Option[Command] = |
38223 | 358 |
{ |
359 |
Swing_Thread.require() |
|
43419
6ed49c52d463
flush snapshot on falling edge of is_outdated -- recover effect of former buffer.propertiesChanged on text area (cf. f0770743b7ec);
wenzelm
parents:
43417
diff
changeset
|
360 |
update_snapshot().node.proper_command_at(text_area.getCaretPosition) |
38223 | 361 |
} |
34810 | 362 |
|
37849 | 363 |
private val caret_listener = new CaretListener { |
364 |
private val delay = Swing_Thread.delay_last(session.input_delay) { |
|
365 |
session.perspective.event(Session.Perspective) |
|
34810 | 366 |
} |
37849 | 367 |
override def caretUpdate(e: CaretEvent) { delay() } |
34810 | 368 |
} |
369 |
||
370 |
||
34784
02959dcea756
split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
wenzelm
parents:
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diff
changeset
|
371 |
/* overview of command status left of scrollbar */ |
02959dcea756
split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
wenzelm
parents:
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diff
changeset
|
372 |
|
34834
df9af932e418
slightly more uniform/robust handling of visible document;
wenzelm
parents:
34832
diff
changeset
|
373 |
private val overview = new JPanel(new BorderLayout) |
34784
02959dcea756
split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
wenzelm
parents:
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diff
changeset
|
374 |
{ |
02959dcea756
split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
wenzelm
parents:
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diff
changeset
|
375 |
private val WIDTH = 10 |
02959dcea756
split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
wenzelm
parents:
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diff
changeset
|
376 |
private val HEIGHT = 2 |
02959dcea756
split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
wenzelm
parents:
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diff
changeset
|
377 |
|
34806 | 378 |
setPreferredSize(new Dimension(WIDTH, 0)) |
379 |
||
34784
02959dcea756
split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
wenzelm
parents:
34777
diff
changeset
|
380 |
setRequestFocusEnabled(false) |
02959dcea756
split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
wenzelm
parents:
34777
diff
changeset
|
381 |
|
02959dcea756
split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
wenzelm
parents:
34777
diff
changeset
|
382 |
addMouseListener(new MouseAdapter { |
02959dcea756
split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
wenzelm
parents:
34777
diff
changeset
|
383 |
override def mousePressed(event: MouseEvent) { |
02959dcea756
split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
wenzelm
parents:
34777
diff
changeset
|
384 |
val line = y_to_line(event.getY) |
02959dcea756
split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
wenzelm
parents:
34777
diff
changeset
|
385 |
if (line >= 0 && line < text_area.getLineCount) |
02959dcea756
split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
wenzelm
parents:
34777
diff
changeset
|
386 |
text_area.setCaretPosition(text_area.getLineStartOffset(line)) |
02959dcea756
split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
wenzelm
parents:
34777
diff
changeset
|
387 |
} |
02959dcea756
split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
wenzelm
parents:
34777
diff
changeset
|
388 |
}) |
02959dcea756
split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
wenzelm
parents:
34777
diff
changeset
|
389 |
|
02959dcea756
split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
wenzelm
parents:
34777
diff
changeset
|
390 |
override def addNotify() { |
02959dcea756
split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
wenzelm
parents:
34777
diff
changeset
|
391 |
super.addNotify() |
02959dcea756
split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
wenzelm
parents:
34777
diff
changeset
|
392 |
ToolTipManager.sharedInstance.registerComponent(this) |
02959dcea756
split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
wenzelm
parents:
34777
diff
changeset
|
393 |
} |
34403
6c812a3cb170
information on command-phase left of scrollbar (with panel)
immler@in.tum.de
parents:
diff
changeset
|
394 |
|
34784
02959dcea756
split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
wenzelm
parents:
34777
diff
changeset
|
395 |
override def removeNotify() { |
02959dcea756
split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
wenzelm
parents:
34777
diff
changeset
|
396 |
ToolTipManager.sharedInstance.unregisterComponent(this) |
02959dcea756
split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
wenzelm
parents:
34777
diff
changeset
|
397 |
super.removeNotify |
02959dcea756
split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
wenzelm
parents:
34777
diff
changeset
|
398 |
} |
02959dcea756
split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
wenzelm
parents:
34777
diff
changeset
|
399 |
|
02959dcea756
split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
wenzelm
parents:
34777
diff
changeset
|
400 |
override def paintComponent(gfx: Graphics) |
02959dcea756
split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
wenzelm
parents:
34777
diff
changeset
|
401 |
{ |
02959dcea756
split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
wenzelm
parents:
34777
diff
changeset
|
402 |
super.paintComponent(gfx) |
38640 | 403 |
Swing_Thread.assert() |
39737
8c312f064223
more defensive overview.paintComponent: avoid potential crash due to buffer change while painting;
wenzelm
parents:
39700
diff
changeset
|
404 |
|
34784
02959dcea756
split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
wenzelm
parents:
34777
diff
changeset
|
405 |
val buffer = model.buffer |
38843 | 406 |
Isabelle.buffer_lock(buffer) { |
43419
6ed49c52d463
flush snapshot on falling edge of is_outdated -- recover effect of former buffer.propertiesChanged on text area (cf. f0770743b7ec);
wenzelm
parents:
43417
diff
changeset
|
407 |
val snapshot = update_snapshot() |
39737
8c312f064223
more defensive overview.paintComponent: avoid potential crash due to buffer change while painting;
wenzelm
parents:
39700
diff
changeset
|
408 |
|
8c312f064223
more defensive overview.paintComponent: avoid potential crash due to buffer change while painting;
wenzelm
parents:
39700
diff
changeset
|
409 |
def line_range(command: Command, start: Text.Offset): Option[(Int, Int)] = |
8c312f064223
more defensive overview.paintComponent: avoid potential crash due to buffer change while painting;
wenzelm
parents:
39700
diff
changeset
|
410 |
{ |
8c312f064223
more defensive overview.paintComponent: avoid potential crash due to buffer change while painting;
wenzelm
parents:
39700
diff
changeset
|
411 |
try { |
8c312f064223
more defensive overview.paintComponent: avoid potential crash due to buffer change while painting;
wenzelm
parents:
39700
diff
changeset
|
412 |
val line1 = buffer.getLineOfOffset(snapshot.convert(start)) |
8c312f064223
more defensive overview.paintComponent: avoid potential crash due to buffer change while painting;
wenzelm
parents:
39700
diff
changeset
|
413 |
val line2 = buffer.getLineOfOffset(snapshot.convert(start + command.length)) + 1 |
8c312f064223
more defensive overview.paintComponent: avoid potential crash due to buffer change while painting;
wenzelm
parents:
39700
diff
changeset
|
414 |
Some((line1, line2)) |
8c312f064223
more defensive overview.paintComponent: avoid potential crash due to buffer change while painting;
wenzelm
parents:
39700
diff
changeset
|
415 |
} |
8c312f064223
more defensive overview.paintComponent: avoid potential crash due to buffer change while painting;
wenzelm
parents:
39700
diff
changeset
|
416 |
catch { case e: ArrayIndexOutOfBoundsException => None } |
8c312f064223
more defensive overview.paintComponent: avoid potential crash due to buffer change while painting;
wenzelm
parents:
39700
diff
changeset
|
417 |
} |
39182 | 418 |
for { |
419 |
(command, start) <- snapshot.node.command_starts |
|
420 |
if !command.is_ignored |
|
39737
8c312f064223
more defensive overview.paintComponent: avoid potential crash due to buffer change while painting;
wenzelm
parents:
39700
diff
changeset
|
421 |
(line1, line2) <- line_range(command, start) |
39182 | 422 |
val y = line_to_y(line1) |
423 |
val height = HEIGHT * (line2 - line1) |
|
424 |
color <- Isabelle_Markup.overview_color(snapshot, command) |
|
425 |
} { |
|
426 |
gfx.setColor(color) |
|
427 |
gfx.fillRect(0, y, getWidth - 1, height) |
|
37188 | 428 |
} |
34784
02959dcea756
split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
wenzelm
parents:
34777
diff
changeset
|
429 |
} |
02959dcea756
split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
wenzelm
parents:
34777
diff
changeset
|
430 |
} |
02959dcea756
split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
wenzelm
parents:
34777
diff
changeset
|
431 |
|
02959dcea756
split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
wenzelm
parents:
34777
diff
changeset
|
432 |
private def line_to_y(line: Int): Int = |
02959dcea756
split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
wenzelm
parents:
34777
diff
changeset
|
433 |
(line * getHeight) / (text_area.getBuffer.getLineCount max text_area.getVisibleLines) |
02959dcea756
split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
wenzelm
parents:
34777
diff
changeset
|
434 |
|
02959dcea756
split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
wenzelm
parents:
34777
diff
changeset
|
435 |
private def y_to_line(y: Int): Int = |
02959dcea756
split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
wenzelm
parents:
34777
diff
changeset
|
436 |
(y * (text_area.getBuffer.getLineCount max text_area.getVisibleLines)) / getHeight |
02959dcea756
split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
wenzelm
parents:
34777
diff
changeset
|
437 |
} |
34403
6c812a3cb170
information on command-phase left of scrollbar (with panel)
immler@in.tum.de
parents:
diff
changeset
|
438 |
|
34784
02959dcea756
split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
wenzelm
parents:
34777
diff
changeset
|
439 |
|
39740 | 440 |
/* main actor */ |
441 |
||
442 |
private val main_actor = actor { |
|
443 |
loop { |
|
444 |
react { |
|
44608 | 445 |
case changed: Session.Commands_Changed => |
39740 | 446 |
val buffer = model.buffer |
447 |
Isabelle.swing_buffer_lock(buffer) { |
|
43419
6ed49c52d463
flush snapshot on falling edge of is_outdated -- recover effect of former buffer.propertiesChanged on text area (cf. f0770743b7ec);
wenzelm
parents:
43417
diff
changeset
|
448 |
val (updated, snapshot) = flush_snapshot() |
44378 | 449 |
val visible = visible_range() |
39740 | 450 |
|
44608 | 451 |
if (updated || |
44615 | 452 |
(changed.nodes.contains(model.name) && |
44608 | 453 |
changed.commands.exists(snapshot.node.commands.contains))) |
39740 | 454 |
overview.repaint() |
455 |
||
44378 | 456 |
if (updated) invalidate_range(visible) |
43419
6ed49c52d463
flush snapshot on falling edge of is_outdated -- recover effect of former buffer.propertiesChanged on text area (cf. f0770743b7ec);
wenzelm
parents:
43417
diff
changeset
|
457 |
else { |
6ed49c52d463
flush snapshot on falling edge of is_outdated -- recover effect of former buffer.propertiesChanged on text area (cf. f0770743b7ec);
wenzelm
parents:
43417
diff
changeset
|
458 |
val visible_cmds = |
44378 | 459 |
snapshot.node.command_range(snapshot.revert(visible)).map(_._1) |
44608 | 460 |
if (visible_cmds.exists(changed.commands)) { |
43419
6ed49c52d463
flush snapshot on falling edge of is_outdated -- recover effect of former buffer.propertiesChanged on text area (cf. f0770743b7ec);
wenzelm
parents:
43417
diff
changeset
|
461 |
for { |
6ed49c52d463
flush snapshot on falling edge of is_outdated -- recover effect of former buffer.propertiesChanged on text area (cf. f0770743b7ec);
wenzelm
parents:
43417
diff
changeset
|
462 |
line <- 0 until text_area.getVisibleLines |
6ed49c52d463
flush snapshot on falling edge of is_outdated -- recover effect of former buffer.propertiesChanged on text area (cf. f0770743b7ec);
wenzelm
parents:
43417
diff
changeset
|
463 |
val start = text_area.getScreenLineStartOffset(line) if start >= 0 |
6ed49c52d463
flush snapshot on falling edge of is_outdated -- recover effect of former buffer.propertiesChanged on text area (cf. f0770743b7ec);
wenzelm
parents:
43417
diff
changeset
|
464 |
val end = text_area.getScreenLineEndOffset(line) if end >= 0 |
6ed49c52d463
flush snapshot on falling edge of is_outdated -- recover effect of former buffer.propertiesChanged on text area (cf. f0770743b7ec);
wenzelm
parents:
43417
diff
changeset
|
465 |
val range = proper_line_range(start, end) |
6ed49c52d463
flush snapshot on falling edge of is_outdated -- recover effect of former buffer.propertiesChanged on text area (cf. f0770743b7ec);
wenzelm
parents:
43417
diff
changeset
|
466 |
val line_cmds = snapshot.node.command_range(snapshot.revert(range)).map(_._1) |
44608 | 467 |
if line_cmds.exists(changed.commands) |
43419
6ed49c52d463
flush snapshot on falling edge of is_outdated -- recover effect of former buffer.propertiesChanged on text area (cf. f0770743b7ec);
wenzelm
parents:
43417
diff
changeset
|
468 |
} text_area.invalidateScreenLineRange(line, line) |
6ed49c52d463
flush snapshot on falling edge of is_outdated -- recover effect of former buffer.propertiesChanged on text area (cf. f0770743b7ec);
wenzelm
parents:
43417
diff
changeset
|
469 |
} |
39740 | 470 |
} |
471 |
} |
|
472 |
||
473 |
case Session.Global_Settings => html_panel_resize() |
|
474 |
||
475 |
case bad => System.err.println("command_change_actor: ignoring bad message " + bad) |
|
476 |
} |
|
477 |
} |
|
478 |
} |
|
479 |
||
480 |
||
34784
02959dcea756
split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
wenzelm
parents:
34777
diff
changeset
|
481 |
/* activation */ |
02959dcea756
split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
wenzelm
parents:
34777
diff
changeset
|
482 |
|
34808
e462572536e9
eliminated global Session.document_0 -- did not work due to hardwired id;
wenzelm
parents:
34806
diff
changeset
|
483 |
private def activate() |
34784
02959dcea756
split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
wenzelm
parents:
34777
diff
changeset
|
484 |
{ |
42825 | 485 |
val painter = text_area.getPainter |
44437
bebe15799192
more reliable update_perspective handler based on actual text visibility (e.g. on startup or when resizing without scrolling);
wenzelm
parents:
44436
diff
changeset
|
486 |
painter.addExtension(TextAreaPainter.LOWEST_LAYER, update_perspective) |
43387
a59ae768249e
recovered tooltip Entity content (odd effect of layer change!? cf. 806878ae2219);
wenzelm
parents:
43381
diff
changeset
|
487 |
painter.addExtension(TextAreaPainter.LINE_BACKGROUND_LAYER + 1, tooltip_painter) |
43381 | 488 |
text_area_painter.activate() |
42825 | 489 |
text_area.getGutter.addExtension(gutter_painter) |
39131
947c62440026
basic support for subexpression highlighting (see also gatchan.jedit.hyperlinks.HyperlinkManager/HyperlinkTextAreaPainter);
wenzelm
parents:
39044
diff
changeset
|
490 |
text_area.addFocusListener(focus_listener) |
39741
62b91eb2d39a
CONTROL-mouse management: handle windowIconified;
wenzelm
parents:
39740
diff
changeset
|
491 |
text_area.getView.addWindowListener(window_listener) |
42825 | 492 |
painter.addMouseMotionListener(mouse_motion_listener) |
34810 | 493 |
text_area.addCaretListener(caret_listener) |
494 |
text_area.addLeftOfScrollBar(overview) |
|
39740 | 495 |
session.commands_changed += main_actor |
496 |
session.global_settings += main_actor |
|
34784
02959dcea756
split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
wenzelm
parents:
34777
diff
changeset
|
497 |
} |
02959dcea756
split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
wenzelm
parents:
34777
diff
changeset
|
498 |
|
34808
e462572536e9
eliminated global Session.document_0 -- did not work due to hardwired id;
wenzelm
parents:
34806
diff
changeset
|
499 |
private def deactivate() |
34784
02959dcea756
split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
wenzelm
parents:
34777
diff
changeset
|
500 |
{ |
42825 | 501 |
val painter = text_area.getPainter |
39740 | 502 |
session.commands_changed -= main_actor |
503 |
session.global_settings -= main_actor |
|
39131
947c62440026
basic support for subexpression highlighting (see also gatchan.jedit.hyperlinks.HyperlinkManager/HyperlinkTextAreaPainter);
wenzelm
parents:
39044
diff
changeset
|
504 |
text_area.removeFocusListener(focus_listener) |
39741
62b91eb2d39a
CONTROL-mouse management: handle windowIconified;
wenzelm
parents:
39740
diff
changeset
|
505 |
text_area.getView.removeWindowListener(window_listener) |
42825 | 506 |
painter.removeMouseMotionListener(mouse_motion_listener) |
39131
947c62440026
basic support for subexpression highlighting (see also gatchan.jedit.hyperlinks.HyperlinkManager/HyperlinkTextAreaPainter);
wenzelm
parents:
39044
diff
changeset
|
507 |
text_area.removeCaretListener(caret_listener) |
34810 | 508 |
text_area.removeLeftOfScrollBar(overview) |
42825 | 509 |
text_area.getGutter.removeExtension(gutter_painter) |
43381 | 510 |
text_area_painter.deactivate() |
511 |
painter.removeExtension(tooltip_painter) |
|
44437
bebe15799192
more reliable update_perspective handler based on actual text visibility (e.g. on startup or when resizing without scrolling);
wenzelm
parents:
44436
diff
changeset
|
512 |
painter.removeExtension(update_perspective) |
39740 | 513 |
exit_popup() |
34784
02959dcea756
split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
wenzelm
parents:
34777
diff
changeset
|
514 |
} |
42825 | 515 |
} |