Close variable chooser on escape (if it has focus).

Task-number: QTCREATORBUG-4307

Change-Id: Ib85f5fda1310fe6fb0e0824488fb6c79962ae35b
Reviewed-on: http://codereview.qt.nokia.com/624


Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Robert Löhning <robert.loehning@nokia.com>

src/plugins/coreplugin/variablechooser.cpp

@@ -35,6 +35,8 @@
 #include "variablemanager.h"
 #include "coreconstants.h"
 
+#include <QtCore/QTimer>
+
 using namespace Core;
 
 VariableChooser::VariableChooser(QWidget *parent) :
@@ -175,3 +177,11 @@ void VariableChooser::insertVariable(const QString &variable)
         m_plainTextEdit->activateWindow();
     }
 }
+
+void VariableChooser::keyPressEvent(QKeyEvent *ke)
+{
+    if (ke->key() == Qt::Key_Escape && !ke->modifiers()) {
+        ke->accept();
+        QTimer::singleShot(0, this, SLOT(close()));
+    }
+}

src/plugins/coreplugin/variablechooser.h

@@ -58,6 +58,9 @@ public:
     explicit VariableChooser(QWidget *parent = 0);
     ~VariableChooser();
 
+protected:
+    void keyPressEvent(QKeyEvent *ke);
+
 private slots:
     void updateDescription(const QString &variable);
     void updateCurrentEditor(QWidget *old, QWidget *widget);