/***************************************************************************
- * Copyright (C) 2006 by Peter Penz *
- * peter.penz@gmx.at *
+ * Copyright (C) 2006 by Peter Penz (peter.penz@gmx.at) *
+ * Copyright (C) 2008 by Simon St. James (kdedevel@etotheipiplusone.com) *
* *
* 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 *
#define DOLPHINDETAILSVIEW_H
#include <dolphinview.h>
-#include <QtGui/QStyleOption>
-#include <QtGui/QTreeView>
+#include <QTreeView>
#include <libdolphin_export.h>
-class DolphinController;
+class DolphinViewController;
+class DolphinSortFilterProxyModel;
+class ViewExtensionsFactory;
/**
* @brief Represents the details view which shows the name, size,
Q_OBJECT
public:
- explicit DolphinDetailsView(QWidget* parent, DolphinController* controller);
+ /**
+ * @param parent Parent widget.
+ * @param dolphinViewController Allows the DolphinDetailsView to control the
+ * DolphinView in a limited way.
+ * @param viewModeController Controller that is used by the DolphinView
+ * to control the DolphinDetailsView. The DolphinDetailsView
+ * only has read access to the controller.
+ * @param model Directory that is shown.
+ */
+ explicit DolphinDetailsView(QWidget* parent,
+ DolphinViewController* dolphinViewController,
+ const ViewModeController* viewModeController,
+ DolphinSortFilterProxyModel* model);
virtual ~DolphinDetailsView();
+ /**
+ * Returns a set containing the URLs of all expanded items.
+ */
+ QSet<KUrl> expandedUrls() const;
+
+ virtual QRegion visualRegionForSelection(const QItemSelection& selection) const;
+
protected:
virtual bool event(QEvent* event);
virtual QStyleOptionViewItem viewOptions() const;
virtual void mousePressEvent(QMouseEvent* event);
virtual void mouseMoveEvent(QMouseEvent* event);
virtual void mouseReleaseEvent(QMouseEvent* event);
+ virtual void startDrag(Qt::DropActions supportedActions);
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 keyPressEvent(QKeyEvent* event);
+ virtual void keyReleaseEvent(QKeyEvent* event);
virtual void resizeEvent(QResizeEvent* event);
+ virtual void wheelEvent(QWheelEvent* event);
+ virtual void currentChanged(const QModelIndex& current, const QModelIndex& previous);
+ virtual bool eventFilter(QObject* watched, QEvent* event);
+ virtual QModelIndex indexAt (const QPoint& point) const;
+ virtual QRect visualRect(const QModelIndex& index) const;
+ virtual void setSelection(const QRect& rect, QItemSelectionModel::SelectionFlags command);
+ virtual void scrollTo(const QModelIndex& index, ScrollHint hint = EnsureVisible);
private slots:
/**
void slotEntered(const QModelIndex& index);
/**
- * Updates the destination \a m_elasticBandDestination from
+ * Updates the destination \a destination from
* the elastic band to the current mouse position and triggers
* an update.
*/
/**
* Returns the rectangle for the elastic band dependent from the
- * origin \a m_elasticBandOrigin, the current destination
- * \a m_elasticBandDestination and the viewport position.
+ * origin \a origin, the current destination
+ * \a destination and the viewport position.
*/
QRect elasticBandRect() const;
- void zoomIn();
- void zoomOut();
+ void setZoomLevel(int level);
- /**
- * Called by QTreeView when an item is activated (clicked or double-clicked)
- */
- void triggerItem(const QModelIndex& index);
+ void slotShowPreviewChanged();
/**
* Opens a context menu at the position \a pos and allows to
- * configure the visibility of the header columns.
+ * configure the visibility of the header columns and whether
+ * expandable folders should be shown.
*/
- void configureColumns(const QPoint& pos);
+ void configureSettings(const QPoint& pos);
+ /**
+ * Updates the visibilty state of columns and their order.
+ */
void updateColumnVisibility();
+ /**
+ * Saves order of the columns as global setting.
+ */
+ void saveColumnPositions();
+
+ /**
+ * Disables the automatical resizing of columns, if the user has resized the columns
+ * with the mouse.
+ */
+ void slotHeaderSectionResized(int logicalIndex, int oldSize, int newSize);
+
+ /**
+ * Changes the alternating row colors setting depending from
+ * the activation state \a active.
+ */
+ void slotActivationChanged(bool active);
+
+ /**
+ * Disables the automatical resizing of the columns. Per default all columns
+ * are resized to use the maximum available width of the view as good as possible.
+ */
+ void disableAutoResizing();
+
+ void requestActivation();
+
+ void slotGlobalSettingsChanged(int category);
+
+ /**
+ * If the elastic band is currently shown, update the elastic band based on
+ * the current mouse position and ensure that the selection is the set of items
+ * intersecting it.
+ */
+ void updateElasticBandSelection();
+
+ /**
+ * If \a expandable is true, the details view acts as tree view.
+ * The current expandable state is remembered in the settings.
+ */
+ void setFoldersExpandable(bool expandable);
+
+ /**
+ * These slots update the list of expanded items.
+ */
+ void slotExpanded(const QModelIndex& index);
+ void slotCollapsed(const QModelIndex& index);
+
+protected slots:
+
+ virtual void rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end);
+
private:
- bool isZoomInPossible() const;
- bool isZoomOutPossible() const;
+ /**
+ * Removes the URLs corresponding to the children of \a index in the rows
+ * between \a start and \a end inclusive from the set of expanded URLs.
+ */
+ void removeExpandedIndexes(const QModelIndex& parent, int start, int end);
/**
* Updates the size of the decoration dependent on the
* will get informed about possible zoom in/zoom out
* operations.
*/
- void updateDecorationSize();
+ void updateDecorationSize(bool showPreview);
+
+ KFileItemDelegate::Information infoForColumn(int columnIndex) const;
+
+ /**
+ * Resizes all columns in a way to use the whole available width of the view.
+ */
+ void resizeColumns();
- /** Return the upper left position in pixels of the viewport content. */
- QPoint contentsPos() const;
+ /**
+ * Returns true, if \a pos is within the expanding toggle of a tree.
+ */
+ bool isAboveExpandingToggle(const QPoint& pos) const;
- KFileItem itemForIndex(const QModelIndex& index) const;
+ /**
+ * Sets the maximum size available for editing in the delegate.
+ */
+ void adjustMaximumSizeForEditing(const QModelIndex& index);
private:
- DolphinController* m_controller;
- QStyleOptionViewItem m_viewOptions;
+ bool m_autoResize : 1; // if true, the columns are resized automatically to the available width
+ bool m_expandingTogglePressed : 1;
+ bool m_keyPressed : 1; // true if a key is pressed currently; info used by currentChanged()
+ bool m_useDefaultIndexAt : 1; // true, if QTreeView::indexAt() should be used
+ bool m_ignoreScrollTo : 1; // true if calls to scrollTo(...) should do nothing.
+
+ DolphinViewController* m_dolphinViewController;
+ const ViewModeController* m_viewModeController;
+ ViewExtensionsFactory* m_extensionsFactory;
+ QAction* m_expandableFoldersAction;
+
+ // A set containing the URLs of all currently expanded folders.
+ // We cannot use a QSet<QModelIndex> because a QModelIndex is not guaranteed to remain valid over time.
+ // Also a QSet<QPersistentModelIndex> does not work as expected because it is not guaranteed that
+ // subsequent expand/collapse events of the same file item will yield the same QPersistentModelIndex.
+ QSet<KUrl> m_expandedUrls;
+
+ QFont m_font;
+ QSize m_decorationSize;
+
+ QRect m_dropRect;
+
+ struct ElasticBand
+ {
+ ElasticBand();
+
+ // Elastic band origin and destination coordinates are relative to t
+ // he origin of the view, not the viewport.
+ bool show;
+ QPoint origin;
+ QPoint destination;
+
+ // Optimization mechanisms for use with elastic band selection.
+ // Basically, allow "incremental" updates to the selection based
+ // on the last elastic band shape.
+ QPoint lastSelectionOrigin;
+ QPoint lastSelectionDestination;
- 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
+ // If true, compute the set of selected elements from scratch (slower)
+ bool ignoreOldInfo;
- bool m_showElasticBand;
- QPoint m_elasticBandOrigin;
- QPoint m_elasticBandDestination;
+ // Edges of the filenames that are closest to the edges of oldSelectionRect.
+ // Used to decide whether horizontal changes in the elastic band are likely
+ // to require us to re-check which items are selected.
+ int outsideNearestLeftEdge;
+ int outsideNearestRightEdge;
+ int insideNearestLeftEdge;
+ int insideNearestRightEdge;
+ // The set of items that were selected at the time this band was shown.
+ // NOTE: Unless CTRL was pressed when the band was created, this is always empty.
+ QItemSelection originalSelection;
+ } m_band;
};
#endif
projects / dolphin.git / blobdiff