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- /*
- This file is part of the KDE libraries
- Copyright (c) 2004 Gustavo Sverzut Barbieri <gsbarbieri@users.sourceforge.net>
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public
- License version 2 as published by the Free Software Foundation.
-
- This library 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public License
- along with this library; see the file COPYING.LIB. If not, write to
- the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA.
- */
-
- #ifndef KICONVIEWSEARCHLINE_H
- #define KICONVIEWSEARCHLINE_H
-
- #include <klineedit.h>
- #include <qvaluelist.h>
-
- class QIconView;
- class QIconViewItem;
-
- /**
- * This class makes it easy to add a search line for filtering the items in a
- * iconview based on a simple text search.
- *
- * No changes to the application other than instantiating this class with an
- * appropriate QIconView should be needed.
- *
- * @since 3.3
- */
- class KDEUI_EXPORT KIconViewSearchLine : public KLineEdit
- {
- Q_OBJECT
-
- public:
-
- /**
- * Constructs a KIconViewSearchLine with \a iconView being the QIconView to
- * be filtered.
- *
- * If \a iconView is null then the widget will be disabled until a iconview
- * is set with setIconView().
- */
- KIconViewSearchLine( QWidget *parent = 0,
- QIconView *iconView = 0,
- const char *name = 0 );
-
- /**
- * Constructs a KIconViewSearchLine without any QIconView to filter. The
- * QIconView object has to be set later with setIconView().
- */
- KIconViewSearchLine( QWidget *parent, const char *name );
-
- /**
- * Destroys the KIconViewSearchLine.
- */
- virtual ~KIconViewSearchLine();
-
- /**
- * Returns true if the search is case sensitive. This defaults to false.
- *
- * @see setCaseSensitive()
- */
- bool caseSensitive() const;
-
- /**
- * Returns the iconview that is currently filtered by the search.
- *
- * @see setIconView()
- */
- QIconView *iconView() const;
-
-
- public slots:
- /**
- * Updates search to only make visible the items that match \a s. If
- * \a s is null then the line edit's text will be used.
- */
- virtual void updateSearch( const QString &s = QString::null );
-
- /**
- * Make the search case sensitive or case insensitive.
- *
- * @see caseSenstive()
- */
- void setCaseSensitive( bool cs );
-
- /**
- * Sets the QIconView that is filtered by this search line. If \a lv is null
- * then the widget will be disabled.
- *
- * @see iconView()
- */
- void setIconView( QIconView *iv );
-
-
- /**
- * Clear line edit and empty hiddenItems, returning elements to iconView.
- */
- void clear();
-
-
- protected:
- /**
- * Returns true if \a item matches the search \a s. This will be evaluated
- * based on the value of caseSensitive(). This can be overridden in
- * subclasses to implement more complicated matching schemes.
- */
- virtual bool itemMatches( const QIconViewItem *item,
- const QString &s ) const;
-
-
- /**
- * Do initialization common to both constructors.
- */
- void init( QIconView *iconView = 0 );
-
- /**
- * Hide item.
- */
- void hideItem( QIconViewItem *item );
-
- /**
- * Show item.
- *
- * Just unhide it, doesn't necessary show it on screen, for that use
- * iconView->ensureItemVisible()
- */
- void showItem( QIconViewItem *item );
-
-
- protected slots:
- /**
- * When keys are pressed a new search string is created and a timer is
- * activated. The most recent search is activated when this timer runs out
- * if another key has not yet been pressed.
- *
- * This method makes @param s the most recent search and starts the
- * timer.
- *
- * Together with activateSearch() this makes it such that searches are not
- * started until there is a short break in the users typing.
- *
- * @see activateSearch()
- */
- void queueSearch( const QString &s );
-
- /**
- * When the timer started with queueSearch() expires this slot is called.
- * If there has been another timer started then this slot does nothing.
- * However if there are no other pending searches this starts the icon view
- * search.
- *
- * @see queueSearch()
- */
- void activateSearch();
-
-
- private slots:
- /**
- * Take action need when iconView is deleted.
- */
- void iconViewDeleted();
-
-
- private:
- class KIconViewSearchLinePrivate;
- KIconViewSearchLinePrivate *d;
- };
-
-
- #endif /* KICONVIEWSEARCHLINE_H */
-