src/panels/folders/folderspanel.h

   1 /***************************************************************************
   2  *   Copyright (C) 2006 by Peter Penz <peter.penz19@gmail.com>             *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  18  ***************************************************************************/
  19
  20 #ifndef FOLDERSPANEL_H
  21 #define FOLDERSPANEL_H
  22
  23 #include <KUrl>
  24 #include <panels/panel.h>
  25
  26 class KDirLister;
  27 class KFileItemModel;
  28 class KItemListController;
  29
  30 /**
  31  * @brief Shows a tree view of the directories starting from
  32  *        the currently selected place.
  33  *
  34  * The tree view is always synchronized with the currently active view
  35  * from the main window.
  36  */
  37 class FoldersPanel : public Panel
  38 {
  39     Q_OBJECT
  40
  41 public:
  42     FoldersPanel(QWidget* parent = 0);
  43     virtual ~FoldersPanel();
  44
  45     void setHiddenFilesShown(bool show);
  46     bool hiddenFilesShown() const;
  47
  48     void setAutoScrolling(bool enable);
  49     bool autoScrolling() const;
  50
  51     void rename(const KFileItem& item);
  52
  53 signals:
  54     /**
  55      * Is emitted if the an URL change is requested.
  56      */
  57     void changeUrl(const KUrl& url, Qt::MouseButtons buttons);
  58
  59 protected:
  60     /** @see Panel::urlChanged() */
  61     virtual bool urlChanged();
  62
  63     /** @see QWidget::showEvent() */
  64     virtual void showEvent(QShowEvent* event);
  65
  66     /** @see QWidget::contextMenuEvent() */
  67     virtual void contextMenuEvent(QContextMenuEvent* event);
  68
  69     /** @see QWidget::keyPressEvent() */
  70     virtual void keyPressEvent(QKeyEvent* event);
  71
  72 private slots:
  73     /**
  74      * Updates the active view to the URL
  75      * which is given by the item with the index \a index.
  76      */
  77     //void updateActiveView(const QModelIndex& index);
  78
  79     /**
  80      * Is emitted if URLs have been dropped
  81      * to the index \a index.
  82      */
  83     //void dropUrls(const QModelIndex& index, QDropEvent* event);
  84
  85     /**
  86      * Expands the treeview to show the directory
  87      * specified by \a index.
  88      */
  89     //void expandToDir(const QModelIndex& index);
  90
  91     /**
  92      * Assures that the leaf folder gets visible.
  93      */
  94     //void scrollToLeaf();
  95
  96     void updateMouseButtons();
  97
  98     void slotLoadingCompleted();
  99
 100     void slotHorizontalScrollBarMoved(int value);
 101
 102     void slotVerticalScrollBarMoved(int value);
 103
 104 private:
 105     /**
 106      * Initializes the base URL of the tree and expands all
 107      * directories until \a url.
 108      * @param url  URL of the leaf directory that should get expanded.
 109      */
 110     void loadTree(const KUrl& url);
 111
 112     /**
 113      * Selects the current leaf directory m_leafDir and assures
 114      * that the directory is visible if the leaf has been set by
 115      * FoldersPanel::setUrl().
 116      */
 117     void selectLeafDirectory();
 118
 119     KFileItemModel* fileItemModel() const;
 120
 121 private:
 122     bool m_setLeafVisible;
 123     Qt::MouseButtons m_mouseButtons;
 124     KDirLister* m_dirLister;
 125     KItemListController* m_controller;
 126     KUrl m_leafDir;
 127 };
 128
 129 #endif // FOLDERSPANEL_H