Add support for returnPressed() signal to QSearchField.

3rdparty/qocoa/qsearchfield.h

@@ -22,6 +22,7 @@ public slots:
 signals:
     void textChanged(const QString &text);
     void editingFinished();
+    void returnPressed();
 
 protected:
     void resizeEvent(QResizeEvent*);

3rdparty/qocoa/qsearchfield_mac.mm

@@ -46,6 +46,12 @@ public:
             emit qSearchField->editingFinished();
     }
 
+    void returnPressed()
+    {
+        if (qSearchField)
+            emit qSearchField->returnPressed();
+    }
+
     QPointer<QSearchField> qSearchField;
     NSSearchField *nsSearchField;
 };
@@ -67,10 +73,12 @@ public:
 }
 
 -(void)controlTextDidEndEditing:(NSNotification*)notification {
-    Q_UNUSED(notification);
     // No Q_ASSERT here as it is called on destruction.
     if (pimpl)
         pimpl->textDidEndEditing();
+
+    if ([[[notification userInfo] objectForKey:@"NSTextMovement"] intValue] == NSReturnTextMovement)
+        pimpl->returnPressed();
 }
 @end
 

3rdparty/qocoa/qsearchfield_nonmac.cpp

@@ -55,6 +55,8 @@ QSearchField::QSearchField(QWidget *parent) : QWidget(parent)
             this, SIGNAL(textChanged(QString)));
     connect(lineEdit, SIGNAL(editingFinished()),
             this, SIGNAL(editingFinished()));
+    connect(lineEdit, SIGNAL(returnPressed()),
+            this, SIGNAL(returnPressed()));
     connect(lineEdit, SIGNAL(textChanged(QString)),
             this, SLOT(setText(QString)));