From 701bdcbc8b7751834f6d24844bcb91a23cbdc409 Mon Sep 17 00:00:00 2001
From: Olivier Goffart <ogoffart@trolltech.com>
Date: Fri, 22 May 2009 15:48:23 +0200
Subject: Pressing enter in a QPlainTextEdit embedded on a itemview should
 insert a newline

Do the same special case as for QTextEdit
(yes, this is a pitty that we have special cases like that

Reviewed-by: Thierry
Task-number: 252532
---
 src/gui/itemviews/qitemdelegate.cpp            |  3 +-
 src/gui/itemviews/qstyleditemdelegate.cpp      |  3 +-
 tests/auto/qitemdelegate/tst_qitemdelegate.cpp | 78 ++++++++++++++++++++++++++
 3 files changed, 82 insertions(+), 2 deletions(-)

diff --git a/src/gui/itemviews/qitemdelegate.cpp b/src/gui/itemviews/qitemdelegate.cpp
index 3b7eb2d..a748199 100644
--- a/src/gui/itemviews/qitemdelegate.cpp
+++ b/src/gui/itemviews/qitemdelegate.cpp
@@ -47,6 +47,7 @@
 #include <qbrush.h>
 #include <qlineedit.h>
 #include <qtextedit.h>
+#include <qplaintextedit.h>
 #include <qpainter.h>
 #include <qpalette.h>
 #include <qpoint.h>
@@ -1194,7 +1195,7 @@ bool QItemDelegate::eventFilter(QObject *object, QEvent *event)
         case Qt::Key_Enter:
         case Qt::Key_Return:
 #ifndef QT_NO_TEXTEDIT
-            if (qobject_cast<QTextEdit*>(editor))
+            if (qobject_cast<QTextEdit *>(editor) || qobject_cast<QPlainTextEdit *>(editor))
                 return false; // don't filter enter key events for QTextEdit
             // We want the editor to be able to process the key press
             // before committing the data (e.g. so it can do
diff --git a/src/gui/itemviews/qstyleditemdelegate.cpp b/src/gui/itemviews/qstyleditemdelegate.cpp
index be0971b..7f2c8ed 100644
--- a/src/gui/itemviews/qstyleditemdelegate.cpp
+++ b/src/gui/itemviews/qstyleditemdelegate.cpp
@@ -47,6 +47,7 @@
 #include <qbrush.h>
 #include <qlineedit.h>
 #include <qtextedit.h>
+#include <qplaintextedit.h>
 #include <qpainter.h>
 #include <qpalette.h>
 #include <qpoint.h>
@@ -646,7 +647,7 @@ bool QStyledItemDelegate::eventFilter(QObject *object, QEvent *event)
         case Qt::Key_Enter:
         case Qt::Key_Return:
 #ifndef QT_NO_TEXTEDIT
-            if (qobject_cast<QTextEdit*>(editor))
+            if (qobject_cast<QTextEdit *>(editor) || qobject_cast<QPlainTextEdit *>(editor))
                 return false; // don't filter enter key events for QTextEdit
             // We want the editor to be able to process the key press
             // before committing the data (e.g. so it can do
diff --git a/tests/auto/qitemdelegate/tst_qitemdelegate.cpp b/tests/auto/qitemdelegate/tst_qitemdelegate.cpp
index 27741e0..615ac01 100644
--- a/tests/auto/qitemdelegate/tst_qitemdelegate.cpp
+++ b/tests/auto/qitemdelegate/tst_qitemdelegate.cpp
@@ -59,6 +59,8 @@
 
 #include <QItemDelegate>
 #include <QAbstractItemDelegate>
+#include <QTextEdit>
+#include <QPlainTextEdit>
 
 Q_DECLARE_METATYPE(QAbstractItemDelegate::EndEditHint)
 
@@ -226,6 +228,8 @@ private slots:
     void decoration();
     void editorEvent_data();
     void editorEvent();
+    void enterKey_data();
+    void enterKey();
 };
 
 
@@ -1048,6 +1052,80 @@ void tst_QItemDelegate::editorEvent()
     QCOMPARE(index.data(Qt::CheckStateRole).toInt(), expectedCheckState);
 }
 
+void tst_QItemDelegate::enterKey_data()
+{
+    QTest::addColumn<int>("widget");
+    QTest::addColumn<int>("key");
+    QTest::addColumn<bool>("expectedFocus");
+    
+    QTest::newRow("lineedit enter") << 1 << int(Qt::Key_Enter) << false;
+    QTest::newRow("textedit enter") << 2 << int(Qt::Key_Enter) << true;
+    QTest::newRow("plaintextedit enter") << 3 << int(Qt::Key_Enter) << true;
+    QTest::newRow("plaintextedit return") << 3 << int(Qt::Key_Return) << true;
+    QTest::newRow("plaintextedit tab") << 3 << int(Qt::Key_Tab) << false;
+    QTest::newRow("lineedit tab") << 1 << int(Qt::Key_Tab) << false;
+}
+
+void tst_QItemDelegate::enterKey()
+{
+    QFETCH(int, widget);
+    QFETCH(int, key);
+    QFETCH(bool, expectedFocus);
+    
+    QStandardItemModel model;
+    model.appendRow(new QStandardItem());
+    
+    QListView view;
+    view.setModel(&model);
+    view.show();
+    QApplication::setActiveWindow(&view);
+    view.setFocus();
+    QTest::qWait(30);
+    
+    struct TestDelegate : public QItemDelegate
+    {
+        int widgetType;
+        virtual QWidget* createEditor(QWidget* parent, const QStyleOptionViewItem& /*option*/, const QModelIndex& /*index*/) const
+        {
+            QWidget *editor = 0;
+            switch(widgetType) {
+                case 1: 
+                    editor = new QLineEdit(parent);
+                    break;
+                case 2:
+                    editor = new QTextEdit(parent);
+                    break;
+                case 3:
+                    editor = new QPlainTextEdit(parent);
+                    break;
+            }
+            editor->setObjectName(QString::fromLatin1("TheEditor"));
+            return editor;
+        }
+    } delegate;
+    
+    delegate.widgetType = widget;
+    
+    view.setItemDelegate(&delegate);
+    QModelIndex index = model.index(0, 0);
+    view.setCurrentIndex(index); // the editor will only selectAll on the current index
+    view.edit(index);
+    QTest::qWait(30);
+    
+    QList<QWidget*> lineEditors = qFindChildren<QWidget *>(view.viewport(), QString::fromLatin1("TheEditor"));
+    QCOMPARE(lineEditors.count(), 1);
+    
+    QWidget *editor = lineEditors.at(0);
+    QCOMPARE(editor->hasFocus(), true);
+    
+    QTest::keyClick(editor, Qt::Key(key));
+    QApplication::processEvents();
+    
+    QCOMPARE(editor->hasFocus(), expectedFocus);
+}
+
+
+
 // ### _not_ covered:
 
 // editing with a custom editor factory
-- 
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