/***************************************************************************
* Copyright (C) 2011 by Tirtha Chatterjee <tirtha.p.chatterjee@gmail.com> *
* *
- * Based on the Itemviews NG project from Trolltech Labs: *
- * http://qt.gitorious.org/qt-labs/itemviews-ng *
+ * Based on the Itemviews NG project from Trolltech Labs *
* *
* 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 *
#include "kitemlistkeyboardsearchmanager.h"
-#include <QApplication>
-#include <QElapsedTimer>
-
KItemListKeyboardSearchManager::KItemListKeyboardSearchManager(QObject* parent) :
QObject(parent),
+ m_isSearchRestarted(false),
m_timeout(1000)
{
m_keyboardInputTime.invalidate();
{
}
-void KItemListKeyboardSearchManager::addKeys(const QString& keys)
+bool KItemListKeyboardSearchManager::shouldClearSearchIfInputTimeReached()
{
const bool keyboardTimeWasValid = m_keyboardInputTime.isValid();
const qint64 keyboardInputTimeElapsed = m_keyboardInputTime.restart();
- if (keyboardInputTimeElapsed > m_timeout || !keyboardTimeWasValid) {
+ return (keyboardInputTimeElapsed > m_timeout) || !keyboardTimeWasValid;
+}
+
+void KItemListKeyboardSearchManager::addKeys(const QString& keys)
+{
+ if (shouldClearSearchIfInputTimeReached()) {
m_searchedString.clear();
}
const bool newSearch = m_searchedString.isEmpty();
+ // Do not start a new search if the user pressed Space. Only add
+ // it to the search string if a search is in progress already.
+ if (newSearch && keys == QLatin1Char(' ')) {
+ return;
+ }
+
if (!keys.isEmpty()) {
m_searchedString.append(keys);
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
+ // 1. a new search is started and a search has not been restarted or
// 2. a 'repeated key' search is done.
- const bool searchFromNextItem = newSearch || sameKey;
+ const bool searchFromNextItem = (!m_isSearchRestarted && newSearch) || sameKey;
+
+ // to remember not to searchFromNextItem if selection was deselected
+ // loosing keyboard search context basically
+ m_isSearchRestarted = false;
emit changeCurrentItem(sameKey ? firstKey : m_searchedString, searchFromNextItem);
}
void KItemListKeyboardSearchManager::cancelSearch()
{
+ m_isSearchRestarted = true;
m_searchedString.clear();
}
void KItemListKeyboardSearchManager::slotCurrentChanged(int current, int previous)
{
- Q_UNUSED(previous);
+ Q_UNUSED(previous)
if (current < 0) {
// The current item has been removed. We should cancel the search.
cancelSearch();
}
}
+
+void KItemListKeyboardSearchManager::slotSelectionChanged(const KItemSet& current, const KItemSet& previous)
+{
+ if (!previous.isEmpty() && current.isEmpty() && previous.count() > 0 && current.count() == 0) {
+ // The selection has been emptied. We should cancel the search.
+ cancelSearch();
+ }
+}