src/context/layouts/ContextLayout.h

   1 /*
   2 *   Copyright 2007 by Robert Knight <robertknight@gmail.com>
   3 *   Copyright 2007 by Leo Franchi <lfranchi@gmail.com>
   4 *
   5 *   This program is free software; you can redistribute it and/or modify
   6 *   it under the terms of the GNU Library General Public License
   7 *   as published by the Free Software Foundation; either
   8 *   version 2 of the License, or (at your option) any later version.
   9 *
  10 *   This program 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
  13 *   GNU General Public License for more details
  14 *
  15 *   You should have received a copy of the GNU Library General Public
  16 *   License along with this program; if not, write to the
  17 *   Free Software Foundation, Inc.,
  18 *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  19 */
  20
  21 #ifndef CONTEXT_LAYOUT_H
  22 #define CONTEXT_LAYOUT_H
  23
  24 #include "amarok_export.h"
  25
  26 #include <plasma/layouts/layout.h>
  27
  28 namespace Context
  29 {
  30
  31 /**
  32  * A layout which lays items out left-to-right , top-to-bottom.
  33  *
  34  * This is similar to the layout of items in a QListView.
  35  *
  36  * Additionally, this class only lays items out width-wise and
  37  * uses the items' heightForWidth for the heights
  38  */
  39 class AMAROK_EXPORT ContextLayout : public Plasma::Layout
  40 {
  41 public:
  42     /** Construct a new flow layout with the specified parent. */
  43     explicit ContextLayout(LayoutItem* parent);
  44     virtual ~ContextLayout();
  45
  46     // reimplemented
  47     virtual int count() const;
  48     virtual void addItem(LayoutItem* item);
  49     virtual void removeItem(LayoutItem* item);
  50     virtual int indexOf(LayoutItem* item) const;
  51     virtual LayoutItem* itemAt(int i) const;
  52     virtual LayoutItem* takeAt(int i);
  53
  54     virtual QSizeF sizeHint() const;
  55     virtual Qt::Orientations expandingDirections() const;
  56     virtual void setColumnWidth( const qreal width );
  57     virtual qreal columnWidth() const;
  58
  59 protected:
  60     void relayout();
  61
  62 private:
  63     class Private;
  64     Private *const d;
  65 };
  66
  67 }
  68
  69 #endif // __FLOWLAYOUT__
  70