KItemViews: Internal directory restructuration

- Move all private headers from the kitemviews-directory into
the 'private' subdirectory.

- Get rid of DolphinDirLister and just use a directory-lister
  internally in KFileItemModel.

- Minor interface-cleanups for signals

1 files changed, 78 insertions, 0 deletions

diff --git a/src/kitemviews/private/kitemlistkeyboardsearchmanager.cpp b/src/kitemviews/private/kitemlistkeyboardsearchmanager.cpp
new file mode 100644
index 000000000..2f4e93b1d
--- /dev/null
+++ b/src/kitemviews/private/kitemlistkeyboardsearchmanager.cpp
@@ -0,0 +1,78 @@
+/***************************************************************************
+ * Copyright (C) 2011 by Tirtha Chatterjee <[email protected]> *
+ *                                                                         *
+ *   Based on the Itemviews NG project from Trolltech Labs:                *
+ *   http://qt.gitorious.org/qt-labs/itemviews-ng                          *
+ *                                                                         *
+ *   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 "kitemlistkeyboardsearchmanager.h"
+
+#include <QApplication>
+#include <QElapsedTimer>
+
+#include <KDebug>
+
+KItemListKeyboardSearchManager::KItemListKeyboardSearchManager(QObject* parent) :
+    QObject(parent),
+    m_timeout(5000)
+{
+    m_keyboardInputTime.invalidate();
+}
+
+KItemListKeyboardSearchManager::~KItemListKeyboardSearchManager()
+{
+}
+
+void KItemListKeyboardSearchManager::addKeys(const QString& keys)
+{
+    const bool keyboardTimeWasValid = m_keyboardInputTime.isValid();
+    const qint64 keyboardInputTimeElapsed = m_keyboardInputTime.restart();
+    if (keyboardInputTimeElapsed > m_timeout || !keyboardTimeWasValid || keys.isEmpty()) {
+        m_searchedString.clear();
+    }
+
+    const bool newSearch = m_searchedString.isEmpty();
+
+    if (!keys.isEmpty()) {
+        m_searchedString.append(keys);
+
+        // Special case:
+        // If the same key is pressed repeatedly, the next item matching that key should be highlighted
+        const QChar firstKey = m_searchedString.length() > 0 ? m_searchedString.at(0) : QChar();
+        const bool sameKey = m_searchedString.length() > 1 && m_searchedString.count(firstKey) == m_searchedString.length();
+
+        // Searching for a matching item should start from the next item if either
+        // 1. a new search is started, or
+        // 2. a 'repeated key' search is done.
+        const bool searchFromNextItem = newSearch || sameKey;
+
+        emit changeCurrentItem(sameKey ? firstKey : m_searchedString, searchFromNextItem);
+    }
+    m_keyboardInputTime.start();
+}
+
+void KItemListKeyboardSearchManager::setTimeout(qint64 milliseconds)
+{
+    m_timeout = milliseconds;
+}
+
+qint64 KItemListKeyboardSearchManager::timeout() const
+{
+    return m_timeout;
+}
+