apps/plasma/applets/folderview/listview.h

   1 /*
   2  *   Copyright © 2008 Fredrik Höglund <fredrik@kde.org>
   3  *   Copyright © 2008 Rafael Fernández López <ereslibre@kde.org>
   4  *
   5  *   This library is free software; you can redistribute it and/or
   6  *   modify it under the terms of the GNU Library General Public
   7  *   License as published by the Free Software Foundation; either
   8  *   version 2 of the License, or (at your option) any later version.
   9  *
  10  *   This library is distributed in the hope that it will be useful,
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  *   Library General Public License for more details.
  14  *
  15  *   You should have received a copy of the GNU Library General Public License
  16  *   along with this library; see the file COPYING.LIB.  If not, write to
  17  *   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  18  *   Boston, MA 02110-1301, USA.
  19  */
  20
  21 #ifndef LISTVIEW_H
  22 #define LISTVIEW_H
  23
  24 #include "abstractitemview.h"
  25
  26 #include <QAbstractItemDelegate>
  27 #include <QPointer>
  28 #include <QCache>
  29 #include <QTime>
  30 #include <QBasicTimer>
  31
  32
  33 class KUrl;
  34 class KDirModel;
  35 class KFileItemDelegate;
  36 class KFilePreviewGenerator;
  37 class KNewMenu;
  38 class QItemSelectionModel;
  39 class ProxyModel;
  40 class QStyleOptionViewItemV4;
  41 class QScrollBar;
  42
  43
  44 class ListView : public AbstractItemView
  45 {
  46     Q_OBJECT
  47
  48 public:
  49     ListView(QGraphicsWidget *parent = 0);
  50     ~ListView();
  51
  52     void setModel(QAbstractItemModel *model);
  53
  54     void setIconSize(const QSize &gridSize);
  55
  56     void setWordWrap(bool on);
  57     bool wordWrap() const;
  58
  59     void setDrawShadows(bool on);
  60     bool drawShadows() const;
  61
  62     QModelIndex indexAt(const QPointF &point) const;
  63     QRect visualRect(const QModelIndex &index) const;
  64
  65 protected:
  66     void startDrag(const QPointF &pos, QWidget *widget);
  67     void updateTextShadows(const QColor &textColor);
  68     void updateScrollBar();
  69     void updateSizeHint();
  70     QStyleOptionViewItemV4 viewOptions() const;
  71
  72     void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
  73
  74     void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
  75     void hoverMoveEvent(QGraphicsSceneHoverEvent *event);
  76     void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
  77     void mousePressEvent(QGraphicsSceneMouseEvent *event);
  78     void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
  79     void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
  80     void wheelEvent(QGraphicsSceneWheelEvent *event);
  81     void contextMenuEvent(QGraphicsSceneContextMenuEvent *event);
  82     void dropEvent(QGraphicsSceneDragDropEvent *event);
  83     void resizeEvent(QGraphicsSceneResizeEvent *event);
  84
  85     void rowsInserted(const QModelIndex &parent, int first, int last);
  86     void rowsRemoved(const QModelIndex &parent, int first, int last);
  87     void modelReset();
  88     void layoutChanged();
  89     void dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight);
  90
  91 private:
  92     int m_rowHeight;
  93     QPersistentModelIndex m_pressedIndex;
  94     bool m_dragInProgress;
  95     bool m_wordWrap;
  96     bool m_drawShadows;
  97 };
  98
  99 #endif // LISTVIEW_H