/***************************************************************************
- * 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 *
#ifndef DOLPHINDETAILSVIEW_H
#define DOLPHINDETAILSVIEW_H
+#include <dolphinview.h>
#include <QTreeView>
+#include <libdolphin_export.h>
-class DolphinView;
+class DolphinController;
+class SelectionManager;
+class DolphinViewAutoScroller;
/**
* @brief Represents the details view which shows the name, size,
* that full available width of the view is used by stretching the width
* of the name column.
*/
-class DolphinDetailsView : public QTreeView
+class LIBDOLPHINPRIVATE_EXPORT DolphinDetailsView : public QTreeView
{
Q_OBJECT
public:
- explicit DolphinDetailsView(DolphinView* parent);
+ explicit DolphinDetailsView(QWidget* parent, DolphinController* controller);
virtual ~DolphinDetailsView();
protected:
virtual bool event(QEvent* event);
virtual QStyleOptionViewItem viewOptions() const;
virtual void contextMenuEvent(QContextMenuEvent* event);
+ 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 void setSelection(const QRect& rect, QItemSelectionModel::SelectionFlags command);
+ virtual void scrollTo(const QModelIndex& index, ScrollHint hint = EnsureVisible);
+
+private slots:
+ /**
+ * Sets the sort indicator section of the header view
+ * corresponding to \a sorting.
+ */
+ void setSortIndicatorSection(DolphinView::Sorting sorting);
+
+ /**
+ * Sets the sort indicator order of the header view
+ * corresponding to \a sortOrder.
+ */
+ void setSortIndicatorOrder(Qt::SortOrder sortOrder);
+
+ /**
+ * Synchronizes the sorting state of the Dolphin menu 'View -> Sort'
+ * with the current state of the details view.
+ * @param column Index of the current sorting column.
+ */
+ void synchronizeSortingState(int column);
+
+ /**
+ * Is invoked when the mouse cursor has entered an item. The controller
+ * gets informed to emit the itemEntered() signal if the mouse cursor
+ * is above the name column. Otherwise the controller gets informed
+ * to emit the itemViewportEntered() signal (all other columns should
+ * behave as viewport area).
+ */
+ void slotEntered(const QModelIndex& index);
+
+ /**
+ * Updates the destination \a destination from
+ * the elastic band to the current mouse position and triggers
+ * an update.
+ */
+ void updateElasticBand();
+
+ /**
+ * Returns the rectangle for the elastic band dependent from the
+ * origin \a origin, the current destination
+ * \a destination and the viewport position.
+ */
+ QRect elasticBandRect() const;
+
+ void setZoomLevel(int level);
+
+ void slotShowPreviewChanged();
+
+ /**
+ * Opens a context menu at the position \a pos and allows to
+ * configure the visibility of the header columns and whether
+ * expandable folders should be shown.
+ */
+ void configureSettings(const QPoint& pos);
+
+ void updateColumnVisibility();
+
+ /**
+ * 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);
+
+private:
+ /**
+ * Updates the size of the decoration dependent on the
+ * icon size of the DetailsModeSettings. The controller
+ * will get informed about possible zoom in/zoom out
+ * operations.
+ */
+ 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();
+
+ QRect nameColumnRect(const QModelIndex& index) const;
private:
- DolphinView* m_parentView;
+ 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.
+
+ DolphinController* m_controller;
+ SelectionManager* m_selectionManager;
+ DolphinViewAutoScroller* m_autoScroller;
+ QAction* m_expandableFoldersAction;
+
+ 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;
+
+ // If true, compute the set of selected elements from scratch (slower)
+ bool ignoreOldInfo;
+
+ // 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