~ubuntu-branches/ubuntu/lucid/kdebase/lucid-updates : revision 258

apps/dolphin/src/dolphincolumnwidget.h

/***************************************************************************

* *

* 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 DOLPHINCOLUMNWIDGET_H

#define DOLPHINCOLUMNWIDGET_H

#include "dolphinview.h"

#include <QFont>

#include <QListView>

#include <QSize>

#include <QStyleOption>

#include <kurl.h>

class DolphinColumnView;

class DolphinModel;

class DolphinSortFilterProxyModel;

class DolphinDirLister;

class DolphinViewAutoScroller;

class KFilePreviewGenerator;

class KJob;

class KFileItem;

class KFileItemList;

class SelectionManager;

class ToolTipManager;

class QPixmap;

/**

* Represents one column inside the DolphinColumnView and has been

* extended to respect view options and hovering information.

class DolphinColumnWidget : public QListView

{

Q_OBJECT

public:

DolphinColumnWidget(QWidget* parent,

DolphinColumnView* columnView,

const KUrl& url);

virtual ~DolphinColumnWidget();

/** Sets the size of the icons. */

void setDecorationSize(const QSize& size);

/**

* An active column is defined as column, which shows the same URL

* as indicated by the URL navigator. The active column is usually

* drawn in a lighter color. All operations are applied to this column.

void setActive(bool active);

bool isActive() const;

/**

* Sets the directory URL of the child column that is shown next to

* this column. This property is only used for a visual indication

* of the shown directory, it does not trigger a loading of the model.

void setChildUrl(const KUrl& url);

const KUrl& childUrl() const;

/** Sets the directory URL that is shown inside the column widget. */

void setUrl(const KUrl& url);

/** Returns the directory URL that is shown inside the column widget. */

const KUrl& url() const;

/** Reloads the directory DolphinColumnWidget::url(). */

void reload();

void setSorting(DolphinView::Sorting sorting);

void setSortOrder(Qt::SortOrder order);

void setSortFoldersFirst(bool foldersFirst);

void setShowHiddenFiles(bool show);

void setShowPreview(bool show);

/**

* Updates the background color dependent from the activation state

* \a isViewActive of the column view.

void updateBackground();

/**

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* Filters the currently shown items by \a nameFilter. All items

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* which contain the given filter string will be shown.

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void setNameFilter(const QString& nameFilter);

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/**

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* Does an inline editing for the item \a item.

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void editItem(const KFileItem& item);

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/**

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* Returns the item on the position \a pos. The KFileItem instance

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* is null if no item is below the position.

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KFileItem itemAt(const QPoint& pos) const;

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KFileItemList selectedItems() const;

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/**

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* Returns the MIME data for the selected items.

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QMimeData* selectionMimeData() const;

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protected:

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virtual QStyleOptionViewItem viewOptions() const;

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virtual void startDrag(Qt::DropActions supportedActions);

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virtual void dragEnterEvent(QDragEnterEvent* event);

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virtual void dragLeaveEvent(QDragLeaveEvent* event);

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virtual void dragMoveEvent(QDragMoveEvent* event);

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virtual void dropEvent(QDropEvent* event);

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virtual void paintEvent(QPaintEvent* event);

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virtual void mousePressEvent(QMouseEvent* event);

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virtual void keyPressEvent(QKeyEvent* event);

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virtual void contextMenuEvent(QContextMenuEvent* event);

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virtual void wheelEvent(QWheelEvent* event);

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virtual void leaveEvent(QEvent* event);

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virtual void selectionChanged(const QItemSelection& selected, const QItemSelection& deselected);

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virtual void currentChanged(const QModelIndex& current, const QModelIndex& previous);

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private slots:

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void slotEntered(const QModelIndex& index);

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void requestActivation();

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void updateFont();

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private:

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/** Used by DolphinColumnWidget::setActive(). */

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void activate();

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/** Used by DolphinColumnWidget::setActive(). */

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void deactivate();

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private:

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bool m_active;

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DolphinColumnView* m_view;

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SelectionManager* m_selectionManager;

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DolphinViewAutoScroller* m_autoScroller;

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KUrl m_url; // URL of the directory that is shown

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KUrl m_childUrl; // URL of the next column that is shown

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QFont m_font;

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QSize m_decorationSize;

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DolphinDirLister* m_dirLister;

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DolphinModel* m_dolphinModel;

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DolphinSortFilterProxyModel* m_proxyModel;

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KFilePreviewGenerator* m_previewGenerator;

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ToolTipManager* m_toolTipManager;

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QRect m_dropRect;

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friend class DolphinColumnView;

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};

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inline bool DolphinColumnWidget::isActive() const

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{

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return m_active;

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}

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inline void DolphinColumnWidget::setChildUrl(const KUrl& url)

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{

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m_childUrl = url;

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}

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inline const KUrl& DolphinColumnWidget::childUrl() const

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{

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return m_childUrl;

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}

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inline void DolphinColumnWidget::setUrl(const KUrl& url)

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{

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if (url != m_url) {

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m_url = url;

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reload();

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}

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}

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inline const KUrl& DolphinColumnWidget::url() const

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{

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return m_url;

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}

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#endif

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