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Diffstat (limited to 'src/views/dolphincolumnviewcontainer.h')
| -rw-r--r-- | src/views/dolphincolumnviewcontainer.h | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/src/views/dolphincolumnviewcontainer.h b/src/views/dolphincolumnviewcontainer.h new file mode 100644 index 000000000..c67fb3cff --- /dev/null +++ b/src/views/dolphincolumnviewcontainer.h @@ -0,0 +1,147 @@ +/*************************************************************************** + * Copyright (C) 2007-2009 by Peter Penz <[email protected]> * + * * + * 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 * + ***************************************************************************/ + +#ifndef DOLPHINCOLUMNVIEWCONTAINER_H +#define DOLPHINCOLUMNVIEWCONTAINER_H + +#include "dolphinview.h" + +#include <kurl.h> + +#include <QList> +#include <QScrollArea> +#include <QString> + +class DolphinColumnView; +class DolphinViewController; +class QFrame; +class QTimeLine; +class QTimer; + +/** + * @brief Represents a container for columns represented as instances + * of DolphinColumnView. + * + * @see DolphinColumnView + */ +class DolphinColumnViewContainer : public QScrollArea +{ + Q_OBJECT + +public: + /** + * @param parent Parent widget. + * @param dolphinViewController Allows the DolphinColumnView to control the + * DolphinView in a limited way. + * @param viewModeController Controller that is used by the DolphinView + * to control the DolphinColumnView. The DolphinColumnView + * only has read access to the controller. + * @param model Directory that is shown. + */ + explicit DolphinColumnViewContainer(QWidget* parent, + DolphinViewController* dolphinViewController, + const ViewModeController* viewModeController); + virtual ~DolphinColumnViewContainer(); + + KUrl rootUrl() const; + + QAbstractItemView* activeColumn() const; + + /** + * Shows the column which represents the URL \a url. If the column + * is already shown, it gets activated, otherwise it will be created. + */ + void showColumn(const KUrl& url); + +protected: + virtual void mousePressEvent(QMouseEvent* event); + virtual void keyPressEvent(QKeyEvent* event); + virtual void resizeEvent(QResizeEvent* event); + virtual void wheelEvent(QWheelEvent* event); + +private slots: + /** + * Moves the content of the columns view to represent + * the scrollbar position \a x. + */ + void moveContentHorizontally(int x); + + /** + * Updates the background color of the columns to respect + * the current activation state \a active. + */ + void updateColumnsBackground(bool active); + + /** + * Tells the Dolphin controller to update the active URL + * to m_activeUrl. The slot is called asynchronously with a + * small delay, as this prevents a flickering when a directory + * from an inactive column gets selected. + */ + void updateActiveUrl(); + +private: + void layoutColumns(); + void updateScrollBar(); + + /** + * Assures that the currently active column is fully visible + * by adjusting the horizontal position of the content. + */ + void assureVisibleActiveColumn(); + + /** + * Request the activation for the column \a column. It is assured + * that the columns gets fully visible by adjusting the horizontal + * position of the content. + */ + void requestActivation(DolphinColumnView* column); + + /** Removes all columns except of the root column. */ + void removeAllColumns(); + + /** + * Returns the position of the point \a point relative to the column + * \a column. + */ + QPoint columnPosition(DolphinColumnView* column, const QPoint& point) const; + + /** + * Deletes the column. If the itemview of the controller is set to the column, + * the controllers itemview is set to 0. + */ + void deleteColumn(DolphinColumnView* column); + +private: + DolphinViewController* m_dolphinViewController; + const ViewModeController* m_viewModeController; + bool m_active; + int m_index; + int m_contentX; + QList<DolphinColumnView*> m_columns; + QFrame* m_emptyViewport; + QTimeLine* m_animation; + QAbstractItemView* m_dragSource; + + QTimer* m_activeUrlTimer; + + friend class DolphinColumnView; +}; + +#endif |