Group classes into folders, Dolphin is too big in the meantime for having a flat...

[dolphin.git] / src / dolphindetailsview.h

diff --git a/src/dolphindetailsview.h b/src/dolphindetailsview.h
index d3bb0eb27a83f930374e2c77f8999d6db45a0d86..7707c077319394d801c0788b457c88ed4e51c70c 100644 (file)
--- a/src/dolphindetailsview.h
+++ b/src/dolphindetailsview.h
@@ -1,6 +1,6 @@
 /***************************************************************************
- *   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  *
@@ -27,6 +27,7 @@
 
 class DolphinController;
 class SelectionManager;
+class DolphinViewAutoScroller;
 
 /**
  * @brief Represents the details view which shows the name, size,
@@ -63,6 +64,9 @@ protected:
     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:
     /**
@@ -94,7 +98,7 @@ 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.
      */
@@ -102,13 +106,15 @@ private slots:
 
     /**
      * 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 setZoomLevel(int level);
 
+    void slotShowPreviewChanged();
+
     /**
      * Opens a context menu at the position \a pos and allows to
      * configure the visibility of the header columns.
@@ -123,6 +129,12 @@ private slots:
      */
     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.
@@ -133,6 +145,13 @@ private slots:
 
     void updateFont();
 
+    /**
+     * 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();
+
 private:
     /**
      * Updates the size of the decoration dependent on the
@@ -140,10 +159,7 @@ private:
      * will get informed about possible zoom in/zoom out
      * operations.
      */
-    void updateDecorationSize();
-
-    /** Return the upper left position in pixels of the viewport content. */
-    QPoint contentsPos() const;
+    void updateDecorationSize(bool showPreview);
 
     KFileItemDelegate::Information infoForColumn(int columnIndex) const;
 
@@ -152,22 +168,54 @@ private:
      */
     void resizeColumns();
 
+    QRect nameColumnRect(const QModelIndex& index) const;
+
 private:
-       bool m_autoResize;  // if true, the columns are resized automatically to the available width
-    bool m_expandingTogglePressed;
-    bool m_keyPressed;  // true if a key is pressed currently; info used by currentChanged()
+    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;
 
     QFont m_font;
     QSize m_decorationSize;
 
     QRect m_dropRect;
 
-    bool m_showElasticBand;
-    QPoint m_elasticBandOrigin;
-    QPoint m_elasticBandDestination;
+    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