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/*
This file is part of Akregator.
Copyright (C) 2004 Stanislav Karchebny <Stanislav.Karchebny@kdemail.net>
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.
As a special exception, permission is given to link this program
with any edition of TQt, and distribute the resulting executable,
without including the source code for TQt in the source distribution.
*/
#ifndef AKREGATORARTICLELISTVIEW_H
#define AKREGATORARTICLELISTVIEW_H
#include <klistview.h>
class TQKeyEvent;
class TQDragObject;
template <class T> class TQValueList;
namespace Akregator
{
class Article;
class TreeNode;
namespace Filters
{
class ArticleMatcher;
}
class ArticleListView : public KListView
{
Q_OBJECT
public:
ArticleListView(TQWidget *parent = 0, const char *name = 0);
virtual ~ArticleListView();
/** returns the current article, or a null article if there is none */
Article currentArticle() const;
/** returns a list of currently selected articles */
TQValueList<Article> selectedArticles() const;
enum Columns { itemTitle, feedTitle, pubDate };
public slots:
/** show article list of tree node @c node (also connects to the notification signals of the node) */
void slotShowNode(TreeNode* node);
/** clears the list and disconnects from the observed node (if any) */
void slotClear();
/** sets text filter and status filter
@param textFilter filters text
@param statusFilter filters status (read, unread, new) */
void slotSetFilter(const Akregator::Filters::ArticleMatcher& textFilter, const Akregator::Filters::ArticleMatcher& statusFilter);
/** selects previous article in list view, first article if no article was selected */
void slotPreviousArticle();
/** selects next article in list view, first article if no article was selected */
void slotNextArticle();
/** selects previous unread article in list view, first unread article if no article was selected */
void slotPreviousUnreadArticle();
/** selects next unread article in list view, first unread article if no article was selected */
void slotNextUnreadArticle();
signals:
void signalArticleChosen(const Article& article);
void signalDoubleClicked(const Article&, const TQPoint&, int);
//void signalContextMenu(KListView*, ArticleItem*, const TQPoint&);
void signalMouseButtonPressed(int, const Article&, const TQPoint &, int);
protected:
/** reimplemented for kmail-like behaviour */
virtual void keyPressEvent(TQKeyEvent* e);
/** applies text filter and status filter by setting visibility
of items accordingly */
virtual void applyFilters();
/**
* @return count of visible articles, used for info boxes
*/
int visibleArticles();
/** Paints infobox for filtering and stuff
*/
void paintInfoBox(const TQString &message);
virtual void viewportPaintEvent(TQPaintEvent *e);
void connectToNode(TreeNode* node);
void disconnectFromNode(TreeNode* node);
virtual TQDragObject *dragObject();
protected slots:
void slotArticlesAdded(TreeNode* node, const TQValueList<Article>& list);
void slotArticlesUpdated(TreeNode* node, const TQValueList<Article>& list);
void slotArticlesRemoved(TreeNode* node, const TQValueList<Article>& list);
virtual void slotCurrentChanged(TQListViewItem* item);
virtual void slotSelectionChanged();
virtual void slotDoubleClicked(TQListViewItem* item, const TQPoint& p, int i);
virtual void slotContextMenu(KListView* list, TQListViewItem* item, const TQPoint& p);
virtual void slotMouseButtonPressed(int, TQListViewItem *, const TQPoint &, int);
public: // compat with KDE-3.x assertions, remove for KDE 4
// private:
class ArticleListViewPrivate;
ArticleListViewPrivate* d;
friend class ColumnLayoutVisitor;
class ColumnLayoutVisitor;
class ArticleItem;
};
}
#endif
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