author | wenzelm |
Thu, 29 Aug 2013 10:24:43 +0200 | |
changeset 53273 | 473ea1ed7503 |
parent 53272 | 0dfd78ff7696 |
child 53274 | 1760c01f1c78 |
permissions | -rw-r--r-- |
53023
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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
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/* Title: Tools/jEdit/src/completion_popup.scala |
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
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Author: Makarius |
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
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|
53246
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more elementary Popup via JLayeredPane -- avoid javax.swing.PopupFactory with its many problems and dangers of accidental HeavyWeightPopup (especially on Mac OS X);
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parents:
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Completion 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
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*/ |
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
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6 |
|
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:
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package isabelle.jedit |
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
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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
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9 |
|
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
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import isabelle._ |
f127e949389f
Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
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explicit "hidden" operation with focus management;
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import java.awt.{Font, Point, BorderLayout, Dimension} |
53226
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import java.awt.event.{KeyEvent, MouseEvent, MouseAdapter, FocusAdapter, FocusEvent} |
53246
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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:
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import javax.swing.{JPanel, JComponent, JLayeredPane, SwingUtilities} |
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
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15 |
|
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
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import scala.swing.{ListView, ScrollPane} |
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:
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import scala.swing.event.MouseClicked |
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
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|
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:
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import org.gjt.sp.jedit.View |
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some key event handling in the manner of SideKickBindings, SideKickCompletionPopup;
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import org.gjt.sp.jedit.textarea.JEditTextArea |
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
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|
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
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|
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:
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object Completion_Popup |
f127e949389f
Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
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{ |
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/* items */ |
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private sealed case class Item(original: String, replacement: String, description: String) |
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{ override def toString: String = description } |
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||
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/* setup for jEdit text area */ |
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object Text_Area |
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{ |
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def apply(text_area: JEditTextArea, get_syntax: => Option[Outer_Syntax]): Text_Area = |
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new Text_Area(text_area, get_syntax) |
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} |
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class Text_Area private(text_area: JEditTextArea, get_syntax: => Option[Outer_Syntax]) |
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{ |
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/* popup state */ |
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||
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private var completion_popup: Option[Completion_Popup] = None |
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def dismissed(): Boolean = |
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{ |
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Swing_Thread.require() |
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completion_popup match { |
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case Some(completion) => |
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completion.hide_popup() |
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completion_popup = None |
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true |
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case None => |
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false |
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} |
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} |
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||
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/* insert selected item */ |
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||
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private def insert(item: Item) |
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{ |
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Swing_Thread.require() |
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53023
f127e949389f
Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
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val buffer = text_area.getBuffer |
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val len = item.original.length |
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if (buffer.isEditable && len > 0) { |
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JEdit_Lib.buffer_edit(buffer) { |
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val caret = text_area.getCaretPosition |
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JEdit_Lib.try_get_text(buffer, Text.Range(caret - len, caret)) match { |
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case Some(text) if text == item.original => |
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buffer.remove(caret - len, len) |
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buffer.insert(caret - len, item.replacement) |
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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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/* input of key events */ |
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||
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def input(evt: KeyEvent) |
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{ |
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Swing_Thread.require() |
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if (PIDE.options.bool("jedit_completion")) { |
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if (!evt.isConsumed) { |
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dismissed() |
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input_delay.invoke() |
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} |
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} |
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else { |
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dismissed() |
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input_delay.revoke() |
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} |
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} |
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private val input_delay = |
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Swing_Thread.delay_last(PIDE.options.seconds("jedit_completion_delay")) |
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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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if (buffer.isEditable) { |
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get_syntax match { |
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case Some(syntax) => |
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val caret = text_area.getCaretPosition |
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val result = |
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{ |
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val line = buffer.getLineOfOffset(caret) |
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val start = buffer.getLineStartOffset(line) |
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val text = buffer.getSegment(start, caret - start) |
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syntax.completion.complete(text) match { |
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case Some((word, cs)) => |
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val ds = |
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(if (Isabelle_Encoding.is_active(buffer)) |
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cs.map(Symbol.decode(_)).sorted |
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else cs).filter(_ != word) |
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if (ds.isEmpty) None |
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else Some((word, ds.map(s => Item(word, s, s)))) |
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case None => None |
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} |
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} |
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result match { |
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case Some((original, items)) => |
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val font = |
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painter.getFont.deriveFont(Rendering.font_size("jedit_popup_font_scale")) |
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val loc1 = text_area.offsetToXY(caret - original.length) |
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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.getFontMetrics.getHeight, layered) |
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||
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val completion = |
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new Completion_Popup(layered, loc2, font, items) { |
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override def complete(item: Item) { insert(item) } |
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override def propagate(e: KeyEvent) { |
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JEdit_Lib.propagate_key(view, e) |
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input(e) |
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} |
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override def refocus() { text_area.requestFocus } |
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} |
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completion_popup = Some(completion) |
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completion.show_popup() |
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} |
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case None => |
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} |
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case None => |
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} |
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} |
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} |
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53228
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wenzelm
parents:
53226
diff
changeset
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} |
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
|
159 |
} |
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
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|
53233 | 161 |
|
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
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162 |
class Completion_Popup private( |
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
|
163 |
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
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164 |
location: Point, |
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font: Font, |
53232 | 166 |
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
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167 |
{ |
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
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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:
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169 |
|
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
|
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Swing_Thread.require() |
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require(!items.isEmpty) |
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/* actions */ |
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def complete(item: Completion_Popup.Item) { } |
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def propagate(evt: KeyEvent) { } |
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53234
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def refocus() { } |
53023
f127e949389f
Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
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parents:
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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
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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
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/* 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);
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parents:
diff
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f127e949389f
Completion popup based on javax.swing.PopupFactory, which has better cross-platform chances than JWindow (cf. org/gjt/jedit/gui/CompletionPopup.java);
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parents:
diff
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private val list_view = new ListView(items) |
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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);
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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:
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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:
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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);
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parents:
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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
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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
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190 |
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
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191 |
{ |
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
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192 |
list_view.selection.items.toList match { |
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
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193 |
case item :: _ => complete(item); true |
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
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194 |
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);
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parents:
diff
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195 |
} |
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
|
196 |
} |
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
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|
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
|
198 |
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);
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parents:
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199 |
{ |
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
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200 |
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
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201 |
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
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|
202 |
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
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|
203 |
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
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|
204 |
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
|
205 |
} |
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
|
206 |
} |
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
|
207 |
|
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
|
208 |
private def move_pages(n: Int) |
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{ |
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val page_size = list_view.peer.getVisibleRowCount - 1 |
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move_items(page_size * n) |
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} |
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/* event handling */ |
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private val key_listener = |
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JEdit_Lib.key_listener( |
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key_pressed = (e: KeyEvent) => |
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{ |
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if (!e.isConsumed) { |
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e.getKeyCode match { |
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case KeyEvent.VK_TAB => |
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if (complete_selected()) e.consume |
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hide_popup() |
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case KeyEvent.VK_ESCAPE => |
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hide_popup() |
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e.consume |
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case KeyEvent.VK_UP => move_items(-1); e.consume |
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case KeyEvent.VK_DOWN => move_items(1); e.consume |
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case KeyEvent.VK_PAGE_UP => move_pages(-1); e.consume |
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case KeyEvent.VK_PAGE_DOWN => move_pages(1); e.consume |
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case _ => |
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if (e.isActionKey || e.isAltDown || e.isMetaDown || e.isControlDown) |
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hide_popup() |
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} |
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} |
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propagate(e) |
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}, |
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key_typed = propagate _ |
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) |
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|
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list_view.peer.addKeyListener(key_listener) |
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|
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list_view.peer.addMouseListener(new MouseAdapter { |
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override def mouseClicked(e: MouseEvent) { |
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if (complete_selected()) e.consume |
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hide_popup() |
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} |
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}) |
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|
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list_view.peer.addFocusListener(new FocusAdapter { |
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override def focusLost(e: FocusEvent) { hide_popup() } |
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}) |
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|
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|
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/* main content */ |
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|
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override def getFocusTraversalKeysEnabled = false |
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|
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completion.add((new ScrollPane(list_view)).peer.asInstanceOf[JComponent]) |
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|
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|
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/* popup */ |
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|
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private val popup = |
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{ |
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val screen = JEdit_Lib.screen_location(layered, location) |
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val size = |
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{ |
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val geometry = JEdit_Lib.window_geometry(completion, completion) |
|
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val bounds = Rendering.popup_bounds |
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val w = geometry.width min (screen.bounds.width * bounds).toInt min layered.getWidth |
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val h = geometry.height min (screen.bounds.height * bounds).toInt min layered.getHeight |
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new Dimension(w, h) |
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} |
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new Popup(layered, completion, screen.relative(layered, size), size) |
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} |
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|
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private def show_popup() |
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{ |
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popup.show |
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list_view.requestFocus |
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} |
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|
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private def hide_popup() |
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{ |
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val had_focus = list_view.peer.isFocusOwner |
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popup.hide |
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if (had_focus) refocus() |
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} |
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} |
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