Implement inline-renaming for the new view-engine

BUG: 286893
FIXED-IN: 4.9.0

2 files changed, 180 insertions, 0 deletions

diff --git a/src/kitemviews/private/kitemlistroleeditor.cpp b/src/kitemviews/private/kitemlistroleeditor.cpp
new file mode 100644
index 000000000..55af6a9c7
--- /dev/null
+++ b/src/kitemviews/private/kitemlistroleeditor.cpp
@@ -0,0 +1,113 @@
+/***************************************************************************
+ *   Copyright (C) 2012 by Peter Penz <[email protected]>             *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA          *
+ ***************************************************************************/
+
+#include "kitemlistroleeditor.h"
+
+#include <KDebug>
+#include <QKeyEvent>
+
+KItemListRoleEditor::KItemListRoleEditor(QWidget *parent) :
+    KTextEdit(parent),
+    m_index(0),
+    m_role()
+{
+    setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+    setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+    document()->setDocumentMargin(0);
+
+    if (parent) {
+        parent->installEventFilter(this);
+    }
+}
+
+KItemListRoleEditor::~KItemListRoleEditor()
+{
+}
+
+void KItemListRoleEditor::setIndex(int index)
+{
+    m_index = index;
+}
+
+int KItemListRoleEditor::index() const
+{
+    return m_index;
+}
+
+void KItemListRoleEditor::setRole(const QByteArray& role)
+{
+    m_role = role;
+}
+
+QByteArray KItemListRoleEditor::role() const
+{
+    return m_role;
+}
+
+bool  KItemListRoleEditor::eventFilter(QObject* watched, QEvent* event)
+{
+    if (watched == parentWidget() && event->type() == QEvent::Resize) {
+        autoAdjustSize();
+    }
+
+    return KTextEdit::eventFilter(watched, event);
+}
+
+bool KItemListRoleEditor::event(QEvent* event)
+{
+    if (event->type() == QEvent::FocusOut) {
+        emit roleEditingFinished(m_index, m_role, toPlainText());
+    }
+    return KTextEdit::event(event);
+}
+
+void KItemListRoleEditor::keyPressEvent(QKeyEvent* event)
+{
+    switch (event->key()) {
+    case Qt::Key_Escape:
+        emit roleEditingCanceled(m_index, m_role, toPlainText());
+        event->accept();
+        return;
+    case Qt::Key_Enter:
+    case Qt::Key_Return:
+        emit roleEditingFinished(m_index, m_role, toPlainText());
+        event->accept();
+        return;
+    default:
+        break;
+    }
+
+    KTextEdit::keyPressEvent(event);
+    autoAdjustSize();
+}
+
+void KItemListRoleEditor::autoAdjustSize()
+{
+    const qreal requiredWidth = document()->size().width();
+    const qreal availableWidth = size().width() - 2 * frameWidth();
+    if (requiredWidth > availableWidth) {
+        qreal newWidth = requiredWidth + 2 * frameWidth();
+        if (parentWidget() && pos().x() + newWidth > parentWidget()->width()) {
+            newWidth = parentWidget()->width() - pos().x();
+        }
+        resize(newWidth, size().height());
+    }
+}
+
+#include "kitemlistroleeditor.moc"
diff --git a/src/kitemviews/private/kitemlistroleeditor.h b/src/kitemviews/private/kitemlistroleeditor.h
new file mode 100644
index 000000000..14aa694ce
--- /dev/null
+++ b/src/kitemviews/private/kitemlistroleeditor.h
@@ -0,0 +1,67 @@
+/***************************************************************************
+ *   Copyright (C) 2012 by Peter Penz <[email protected]>             *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA          *
+ ***************************************************************************/
+
+#ifndef KITEMLISTROLEEDITOR_H
+#define KITEMLISTROLEEDITOR_H
+
+#include "libdolphin_export.h"
+
+#include <KTextEdit>
+
+/**
+ * @brief
+ */
+class LIBDOLPHINPRIVATE_EXPORT KItemListRoleEditor : public KTextEdit
+{
+    Q_OBJECT
+
+public:
+    explicit KItemListRoleEditor(QWidget* parent);
+    virtual ~KItemListRoleEditor();
+
+    void setIndex(int index);
+    int index() const;
+
+    void setRole(const QByteArray& role);
+    QByteArray role() const;
+
+    virtual bool eventFilter(QObject* watched, QEvent* event);
+
+signals:
+    void roleEditingFinished(int index, const QByteArray& role, const QVariant& value);
+    void roleEditingCanceled(int index, const QByteArray& role, const QVariant& value);
+
+protected:
+    virtual bool event(QEvent* event);
+    virtual void keyPressEvent(QKeyEvent* event);
+
+private slots:
+    /**
+     * Increases the width of the editor in case if there is not
+     * enough room for the text.
+     */
+    void autoAdjustSize();
+
+private:
+    int m_index;
+    QByteArray m_role;
+
+};
+
+#endif