apps/dolphin/src/dolphinfileitemdelegate.h

   1 /***************************************************************************
   2  *   Copyright (C) 2008 by Peter Penz <peter.penz@gmx.at>                  *
   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 DOLPHINFILEITEMDELEGATE_H
  21 #define DOLPHINFILEITEMDELEGATE_H
  22
  23 #include <kfileitemdelegate.h>
  24
  25 /**
  26  * Extends KFileItemDelegate by the ability to show the hover effect
  27  * and the selection in a minimized way for the name column of
  28  * the details view.
  29  *
  30  * Note that this is a workaround, as Qt does not support having custom
  31  * shapes within the visual rect of an item view. The visual part of
  32  * workaround is handled inside DolphinFileItemDelegate, the behavior
  33  * changes are handled in DolphinDetailsView.
  34  */
  35 class DolphinFileItemDelegate : public KFileItemDelegate
  36 {
  37 public:
  38     explicit DolphinFileItemDelegate(QObject* parent = 0);
  39     virtual ~DolphinFileItemDelegate();
  40
  41     /**
  42      * If \a minimized is true, the hover effect and the selection are
  43      * only drawn above the icon and text of an item. Per default
  44      * \a minimized is false, which means that the whole visual rect is
  45      * used like in KFileItemDelegate.
  46      */
  47     void setMinimizedNameColumn(bool minimized);
  48     bool hasMinimizedNameColumn() const;
  49
  50     virtual void paint(QPainter* painter,
  51                        const QStyleOptionViewItem& option,
  52                        const QModelIndex& index) const;
  53
  54     /**
  55      * Returns the minimized width of the name column for the name \a name. This method
  56      * is also used in DolphinDetailsView to handle the selection of items correctly.
  57      */
  58     static int nameColumnWidth(const QString& name, const QStyleOptionViewItem& option);
  59
  60 private:
  61     bool m_hasMinimizedNameColumn;
  62 };
  63
  64 inline void DolphinFileItemDelegate::setMinimizedNameColumn(bool minimized)
  65 {
  66     m_hasMinimizedNameColumn = minimized;
  67 }
  68
  69 inline bool DolphinFileItemDelegate::hasMinimizedNameColumn() const
  70 {
  71     return m_hasMinimizedNameColumn;
  72 }
  73
  74 #endif