* escape hides the completion

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@23258 a592a061-630c-0410-9148-cb99ea01b6c8

src/frontends/qt4/GuiCompleter.cpp

@@ -498,6 +498,32 @@ void GuiCompleter::showInline()
 }
 
 
+void GuiCompleter::hidePopup()
+{
+	Cursor cur = gui_->bufferView().cursor();
+	cur.updateFlags(Update::None);
+	
+	hidePopup(cur);
+	
+	// redraw if needed
+	if (cur.disp_.update())
+		gui_->bufferView().processUpdateFlags(cur.disp_.update());
+}
+
+
+void GuiCompleter::hideInline()
+{
+	Cursor cur = gui_->bufferView().cursor();
+	cur.updateFlags(Update::None);
+	
+	hideInline(cur);
+	
+	// redraw if needed
+	if (cur.disp_.update())
+		gui_->bufferView().processUpdateFlags(cur.disp_.update());
+}
+
+
 void GuiCompleter::activate()
 {
 	if (!popupVisible() && !inlineVisible())

src/frontends/qt4/GuiCompleter.h

@@ -74,6 +74,11 @@ public Q_SLOTS:
 	/// Show the inline completion.
 	void showInline();
 
+	/// Hide the popup.
+	void hidePopup();
+	/// Hide the inline completion.
+	void hideInline();
+
 private Q_SLOTS:
 	///
 	void popupActivated(const QString & completion);

src/frontends/qt4/GuiWorkArea.cpp

@@ -743,13 +743,25 @@ void GuiWorkArea::keyPressEvent(QKeyEvent * ev)
 		}
 	}
 	
-	// intercept tab for inline completion
+	// intercept keys for the completion
 	if (ev->key() == Qt::Key_Tab) {
 		completer_.tab();
 		ev->accept();
 		return;
 	} 
 
+	if (completer_.popupVisible() && ev->key() == Qt::Key_Escape) {
+		completer_.hidePopup();
+		ev->accept();
+		return;
+	}
+
+	if (completer_.inlineVisible() && ev->key() == Qt::Key_Escape) {
+		completer_.hideInline();
+		ev->accept();
+		return;
+	}
+
 	// do nothing if there are other events
 	// (the auto repeated events come too fast)
 	// \todo FIXME: remove hard coded Qt keys, process the key binding