src/kitemviews/kfileitemlistwidget.h

   1 /***************************************************************************
   2  *   Copyright (C) 2011 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 KFILEITEMLISTWIDGET_H
  21 #define KFILEITEMLISTWIDGET_H
  22
  23 #include <libdolphin_export.h>
  24
  25 #include <kitemviews/kitemlistwidget.h>
  26
  27 #include <QPixmap>
  28 #include <QPointF>
  29 #include <QStaticText>
  30
  31 class LIBDOLPHINPRIVATE_EXPORT KFileItemListWidget : public KItemListWidget
  32 {
  33     Q_OBJECT
  34
  35 public:
  36     enum Layout
  37     {
  38         IconsLayout,
  39         CompactLayout,
  40         DetailsLayout
  41     };
  42
  43     KFileItemListWidget(QGraphicsItem* parent);
  44     virtual ~KFileItemListWidget();
  45
  46     void setLayout(Layout layout);
  47     Layout layout() const;
  48
  49     virtual void paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget = 0);
  50
  51     virtual QRectF iconBoundingRect() const;
  52     virtual QRectF textBoundingRect() const;
  53     virtual QRectF expansionToggleRect() const;
  54
  55 protected:
  56     virtual void dataChanged(const QHash<QByteArray, QVariant>& current, const QSet<QByteArray>& roles = QSet<QByteArray>());
  57     virtual void visibleRolesChanged(const QHash<QByteArray, int>& current, const QHash<QByteArray, int>& previous);
  58     virtual void visibleRolesSizesChanged(const QHash<QByteArray, QSizeF>& current, const QHash<QByteArray, QSizeF>& previous);
  59     virtual void styleOptionChanged(const KItemListStyleOption& current, const KItemListStyleOption& previous);
  60     virtual void hoveredChanged(bool hovered);
  61     virtual void resizeEvent(QGraphicsSceneResizeEvent* event);
  62
  63 private:
  64     enum TextId {
  65         Name,
  66         Size,
  67         Date,
  68         Permissions,
  69         Owner,
  70         Group,
  71         Type,
  72         Destination,
  73         Path,
  74         TextIdCount // Mandatory last entry
  75     };
  76
  77     void updateCache();
  78     void updateExpansionArea();
  79     void updatePixmapCache();
  80
  81     void updateTextsCache();
  82     void updateIconsLayoutTextCache();
  83     void updateCompactLayoutTextCache();
  84     void updateDetailsLayoutTextCache();
  85
  86     QString roleText(TextId textId, const QVariant& roleValue) const;
  87
  88     void drawPixmap(QPainter* painter, const QPixmap& pixmap);
  89
  90     static QPixmap pixmapForIcon(const QString& name, int size);
  91     static TextId roleTextId(const QByteArray& role);
  92
  93 private:
  94     bool m_isDir;
  95     bool m_dirtyLayout;
  96     bool m_dirtyContent;
  97     QSet<QByteArray> m_dirtyContentRoles;
  98
  99     Layout m_layout;
 100     QPointF m_pixmapPos;
 101     QPixmap m_pixmap;
 102     QSize m_scaledPixmapSize;
 103
 104     QRectF m_hoverPixmapRect;
 105     QPixmap m_hoverPixmap;
 106
 107     QPointF m_textPos[TextIdCount];
 108     QStaticText m_text[TextIdCount];
 109     QRectF m_textBoundingRect;
 110
 111     QList<QByteArray> m_sortedVisibleRoles;
 112
 113     QRectF m_expansionArea;
 114     QColor m_additionalInfoTextColor;
 115 };
 116
 117 #endif
 118
 119