shortcut: ctrl+w to close (closed #32)

helper/shortcut.cpp

@@ -22,6 +22,7 @@
 #include "shortcut.h"
 #include "keyboardsearchmanager.h"
 
+#include <QApplication>
 #include <QKeyEvent>
 
 ShortCut::ShortCut(QObject *parent)
@@ -70,6 +71,8 @@ bool ShortCut::eventFilter(QObject *obj, QEvent *e)
             emit refresh();
         } else if (keyEvent->key() == Qt::Key_H && keyEvent->modifiers() & Qt::ControlModifier) {
             emit showHidden();
+        } else if (keyEvent->key() == Qt::Key_W && keyEvent->modifiers() & Qt::ControlModifier) {
+            QApplication::quit();
         } else if (keyEvent->key() >= Qt::Key_A && keyEvent->key() <= Qt::Key_Z) {
             // Handle select
             // KeyboardSearchManager::self()->addKeys(keyEvent->text());