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Diffstat (limited to 'src/dolphincolumnwidget.h')
| -rw-r--r-- | src/dolphincolumnwidget.h | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/src/dolphincolumnwidget.h b/src/dolphincolumnwidget.h new file mode 100644 index 000000000..0efce0902 --- /dev/null +++ b/src/dolphincolumnwidget.h @@ -0,0 +1,177 @@ +/*************************************************************************** + * Copyright (C) 2007 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 DOLPHINCOLUMNWIDGET_H +#define DOLPHINCOLUMNWIDGET_H + +#include <QListView> +#include <QStyleOption> + +#include <kurl.h> + +class DolphinColumnView; +class DolphinModel; +class DolphinSortFilterProxyModel; +class KDirLister; +class KFileItem; +class KFileItemList; +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 setShowHiddenFiles(bool show); + void setShowPreview(bool show); + +protected: + virtual QStyleOptionViewItem viewOptions() const; + virtual void dragEnterEvent(QDragEnterEvent* event); + virtual void dragLeaveEvent(QDragLeaveEvent* event); + virtual void dragMoveEvent(QDragMoveEvent* event); + virtual void dropEvent(QDropEvent* event); + virtual void paintEvent(QPaintEvent* event); + virtual void mousePressEvent(QMouseEvent* event); + virtual void keyPressEvent(QKeyEvent* event); + virtual void contextMenuEvent(QContextMenuEvent* event); + virtual void selectionChanged(const QItemSelection& selected, const QItemSelection& deselected); + +private slots: + /** + * If the item specified by \a index is a directory, then this + * directory will be loaded in a new column. If the item is a + * file, the corresponding application will get started. + */ + void triggerItem(const QModelIndex& index); + + /** + * Generates a preview image for each file item in \a items. + * The current preview settings (maximum size, 'Show Preview' menu) + * are respected. + */ + void generatePreviews(const KFileItemList& items); + + /** + * Replaces the icon of the item \a item by the preview pixmap + * \a pixmap. + */ + void showPreview(const KFileItem& item, const QPixmap& pixmap); + + void slotEntered(const QModelIndex& index); + +private: + /** Used by DolphinColumnWidget::setActive(). */ + void activate(); + + /** Used by DolphinColumnWidget::setActive(). */ + void deactivate(); + + /** + * Returns true, if the item \a item has been cut into + * the clipboard. + */ + bool isCutItem(const KFileItem& item) const; + +private: + bool m_active; + bool m_showPreview; + DolphinColumnView* m_view; + KUrl m_url; // URL of the directory that is shown + KUrl m_childUrl; // URL of the next column that is shown + QStyleOptionViewItem m_viewOptions; + KDirLister* m_dirLister; + DolphinModel* m_dolphinModel; + DolphinSortFilterProxyModel* m_proxyModel; + + bool m_dragging; // TODO: remove this property when the issue #160611 is solved in Qt 4.4 + QRect m_dropRect; // TODO: remove this property when the issue #160611 is solved in Qt 4.4 +}; + +inline bool DolphinColumnWidget::isActive() const +{ + return m_active; +} + +inline void DolphinColumnWidget::setChildUrl(const KUrl& url) +{ + m_childUrl = url; +} + +inline const KUrl& DolphinColumnWidget::childUrl() const +{ + return m_childUrl; +} + +inline void DolphinColumnWidget::setUrl(const KUrl& url) +{ + if (url != m_url) { + m_url = url; + reload(); + } +} + +inline const KUrl& DolphinColumnWidget::url() const +{ + return m_url; +} + +inline QStyleOptionViewItem DolphinColumnWidget::viewOptions() const +{ + return m_viewOptions; +} + +#endif |