author | wenzelm |
Tue, 27 Aug 2013 16:45:32 +0200 | |
changeset 53231 | 423e29f1f304 |
parent 53230 | 6589ff56cc3c |
child 53232 | 4a3762693452 |
permissions | -rw-r--r-- |
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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);
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/* Title: Tools/jEdit/src/completion_popup.scala |
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Author: Makarius |
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|
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Completion popup based on javax.swing.PopupFactory. |
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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);
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*/ |
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|
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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);
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package isabelle.jedit |
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|
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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);
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|
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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);
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import isabelle._ |
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import java.awt.{Font, Point, BorderLayout, Dimension} |
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import java.awt.event.{KeyEvent, MouseEvent, MouseAdapter, FocusAdapter, FocusEvent} |
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import javax.swing.{JPanel, JComponent, PopupFactory, SwingUtilities} |
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|
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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);
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import scala.swing.{ListView, ScrollPane} |
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import scala.swing.event.MouseClicked |
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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);
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|
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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);
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import org.gjt.sp.jedit.View |
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import org.gjt.sp.jedit.textarea.JEditTextArea |
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|
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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);
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|
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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);
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object Completion_Popup |
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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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sealed case class Item(name: String, text: String) |
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{ override def toString: String = text } |
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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);
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|
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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);
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def apply( |
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opt_view: Option[View], |
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root: JComponent, |
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popup_font: Font, |
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screen_point: Point, |
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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items: List[Item], |
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complete: Item => Unit, |
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hidden: () => Unit): Completion_Popup = |
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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);
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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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Swing_Thread.require() |
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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|
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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require(!items.isEmpty) |
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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val completion = |
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new Completion_Popup(opt_view, root, popup_font, screen_point, items, complete, hidden) |
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completion.show_popup() |
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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);
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} |
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|
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def input_text_area(text_area: JEditTextArea, evt: KeyEvent) |
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{ |
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Swing_Thread.require() |
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val buffer = text_area.getBuffer |
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if (buffer.isEditable) { |
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val view = text_area.getView |
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val painter = text_area.getPainter |
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val caret = text_area.getCaretPosition |
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|
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// FIXME |
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def complete(item: Item) { } |
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def hidden() { text_area.requestFocus } |
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|
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// FIXME |
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val token_length = 0 |
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val items: List[Item] = Nil |
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|
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val popup_font = |
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painter.getFont.deriveFont( |
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(painter.getFont.getSize2D * PIDE.options.real("jedit_popup_font_scale")).toFloat |
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max 10.0f) |
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|
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if (!items.isEmpty) { |
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val location = text_area.offsetToXY(caret - token_length) |
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if (location != null) { |
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location.y = location.y + painter.getFontMetrics.getHeight |
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SwingUtilities.convertPointToScreen(location, painter) |
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apply(Some(view), view.getRootPane, popup_font, location, items, complete _, hidden _) |
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} |
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} |
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} |
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} |
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} |
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|
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class Completion_Popup private( |
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opt_view: Option[View], |
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root: JComponent, |
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popup_font: Font, |
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screen_point: Point, |
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items: List[Completion_Popup.Item], |
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complete: Completion_Popup.Item => Unit, |
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hidden: () => Unit) extends JPanel(new BorderLayout) |
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{ |
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completion => |
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|
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Swing_Thread.require() |
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|
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|
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/* list view */ |
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|
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private val list_view = new ListView(items) |
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{ |
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font = popup_font |
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} |
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list_view.selection.intervalMode = ListView.IntervalMode.Single |
f127e949389f
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list_view.peer.setFocusTraversalKeysEnabled(false) |
f127e949389f
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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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list_view.peer.setSelectedIndex(0) |
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private def complete_selected(): Boolean = |
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{ |
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list_view.selection.items.toList match { |
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case item :: _ => complete(item); true |
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case _ => false |
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} |
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} |
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private def move_items(n: Int) |
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{ |
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val i = list_view.peer.getSelectedIndex |
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val j = ((i + n) min (items.length - 1)) max 0 |
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if (i != j) { |
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list_view.peer.setSelectedIndex(j) |
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list_view.peer.ensureIndexIsVisible(j) |
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} |
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} |
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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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|
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|
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/* event handling */ |
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|
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private val key_listener = |
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JEdit_Lib.key_listener( |
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workaround = false, |
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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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156 |
} |
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157 |
} |
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opt_view.foreach(JEdit_Lib.propagate_key(_, e)) |
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159 |
}, |
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key_typed = (e: KeyEvent) => |
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161 |
{ |
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opt_view.foreach(JEdit_Lib.propagate_key(_, e)) |
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} |
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164 |
) |
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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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185 |
|
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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_bounds = JEdit_Lib.screen_bounds(screen_point) |
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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);
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192 |
|
53230 | 193 |
val x0 = root.getLocationOnScreen.x |
194 |
val y0 = root.getLocationOnScreen.y |
|
195 |
val w0 = root.getWidth |
|
196 |
val h0 = root.getHeight |
|
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53230 | 198 |
val (w, h) = |
199 |
{ |
|
200 |
val geometry = JEdit_Lib.window_geometry(completion, completion) |
|
201 |
val bounds = Rendering.popup_bounds |
|
202 |
val w = geometry.width min (screen_bounds.width * bounds).toInt min w0 |
|
203 |
val h = geometry.height min (screen_bounds.height * bounds).toInt min h0 |
|
204 |
(w, h) |
|
205 |
} |
|
206 |
||
207 |
val (x, y) = |
|
208 |
{ |
|
209 |
val x1 = x0 + w0 - w |
|
210 |
val y1 = y0 + h0 - h |
|
211 |
val x2 = screen_point.x min (screen_bounds.x + screen_bounds.width - w) |
|
212 |
val y2 = screen_point.y min (screen_bounds.y + screen_bounds.height - h) |
|
213 |
((x2 min x1) max x0, (y2 min y1) max y0) |
|
214 |
} |
|
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|
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completion.setSize(new Dimension(w, h)) |
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completion.setPreferredSize(new Dimension(w, h)) |
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PopupFactory.getSharedInstance.getPopup(root, completion, x, y) |
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} |
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|
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def show_popup() |
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{ |
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popup.show |
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list_view.requestFocus |
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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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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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227 |
def hide_popup() |
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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228 |
{ |
53229
6ce8328d7912
explicit "hidden" operation with focus management;
wenzelm
parents:
53228
diff
changeset
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229 |
popup.hide |
6ce8328d7912
explicit "hidden" operation with focus management;
wenzelm
parents:
53228
diff
changeset
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230 |
hidden() |
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
|
231 |
} |
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
|
232 |
} |
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
|
233 |