/src/libtomahawk/widgets/Breadcrumb.h
http://github.com/tomahawk-player/tomahawk · C Header · 88 lines · 39 code · 19 blank · 30 comment · 0 complexity · 4f50c1453553277d10fac3c35ea9aea5 MD5 · raw file
- /* === This file is part of Tomahawk Player - <http://tomahawk-player.org> ===
- *
- * Copyright 2010-2011, Leo Franchi <lfranchi@kde.org>
- *
- * Tomahawk 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 3 of the License, or
- * (at your option) any later version.
- *
- * Tomahawk 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 Tomahawk. If not, see <http://www.gnu.org/licenses/>.
- */
- #ifndef TOMAHAWK_BREADCRUMB_H
- #define TOMAHAWK_BREADCRUMB_H
- #include <QWidget>
- #include <QModelIndex>
- class QHBoxLayout;
- class QAbstractItemModel;
- namespace Tomahawk {
- class BreadcrumbButton;
- /**
- * A breadcrumb widget for Tomahawk's needs.
- *
- * This breadcrumb operates on a QAIM. It uses a KBreadcrumbSelectionModel to manage the visible
- * breadcrumb selection.
- * This breadcrumb always expands fully to the deepest child.
- * Selections are remembered when switching to/from in parent nodes
- * Items that have a DefaultRole set will automatically select the default unless the user has
- * made a previous selection, which is saved in the UserSelection role
- */
- //HACK: I'm exporting this, so I can move view pages to libtomahawk-widgets one by one
- //TODO: In the end this class should go there too (and be made private again?)
- #include "../DllMacro.h"
- class DLLEXPORT Breadcrumb : public QWidget
- {
- Q_OBJECT
- public:
- enum ExtraRoles {
- DefaultRole = Qt::UserRole + 1,
- UserSelectedRole = Qt::UserRole + 2,
- ChartIdRole = Qt::UserRole + 3,
- ChartExpireRole = Qt::UserRole + 4
- };
- explicit Breadcrumb( QWidget* parent = 0, Qt::WindowFlags f = 0 );
- virtual ~Breadcrumb();
- void setModel( QAbstractItemModel* model );
- QAbstractItemModel* model() const { return m_model; }
- void setRootIcon( const QPixmap& pm );
- protected:
- virtual void paintEvent( QPaintEvent* );
- signals:
- void activateIndex( const QModelIndex& idx );
- private slots:
- void breadcrumbComboChanged( const QModelIndex& );
- private:
- // Takes an index in the selection model to update from (updates from that to all children)
- void updateButtons( const QModelIndex& fromIndex );
- QAbstractItemModel* m_model;
- QPixmap m_rootIcon;
- QHBoxLayout* m_buttonlayout;
- QList<BreadcrumbButton*> m_buttons;
- };
- }
- #endif // TOMAHAWK_BREADCRUMB_H