workspace/kdm/kfrontend/themer/kdmlayout.h

   1 /*
   2  *  Copyright (C) 2003 by Unai Garro <ugarro@users.sourceforge.net>
   3  *  Copyright (C) 2004 by Enrico Ros <rosenric@dei.unipd.it>
   4  *  Copyright (C) 2004 by Stephan Kulow <coolo@kde.org>
   5  *  Copyright (C) 2004 by Oswald Buddenhagen <ossi@kde.org>
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation; either version 2 of the License, or
  10  *  (at your option) any later version.
  11  *
  12  *  This program is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with this program; if not, write to the Free Software
  19  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  20  */
  21
  22 #ifndef KDMLAYOUT_H
  23 #define KDMLAYOUT_H
  24
  25 #include <QSize>
  26 #include <QStack>
  27
  28 class KdmItem;
  29
  30 class QDomNode;
  31 class QRect;
  32
  33 class KdmLayout {
  34
  35 public:
  36 //      virtual ~KdmLayout() {};
  37
  38         // Adds an item that will be managed
  39         void addItem( KdmItem *item ) { m_children.append( item ); }
  40
  41         // Return false if any item are managed by this layouter
  42         bool isEmpty() { return m_children.isEmpty(); }
  43
  44         // Updates the layout of all items knowing that the parent
  45         // has the @p parentGeometry geometry
  46 //      virtual void update( QStack<QRect> &parentGeometries ) = 0;
  47
  48 protected:
  49         QList<KdmItem *> m_children;
  50 };
  51
  52 class KdmLayoutFixed : public KdmLayout {
  53
  54 public:
  55         KdmLayoutFixed( const QDomNode &node );
  56
  57         // Updates the layout of all boxed items knowing that the parent
  58         // has the @p parentGeometry geometry
  59         void update( QStack<QSize> &parentSizes, const QRect &parentGeometry, bool force );
  60 };
  61
  62 /**
  63  * this is a container for a lot of other stuff
  64  * but can be treated like a usual widget
  65  */
  66
  67 class KdmLayoutBox : public KdmLayout {
  68
  69 public:
  70         KdmLayoutBox( const QDomNode &node );
  71
  72         // Updates the layout of all boxed items knowing that they
  73         // should fit into @p parentGeometry container
  74         void update( QStack<QSize> &parentSizes, const QRect &parentGeometry, bool force );
  75
  76         // Computes the size hint of the box, telling which is the
  77         // smallest size inside which boxed items will fit
  78         QSize sizeHint( QStack<QSize> &parentSizes );
  79
  80 private:
  81         struct {
  82                 bool isVertical;
  83                 int spacing;
  84                 int xpadding;
  85                 int ypadding;
  86                 int minwidth;
  87                 int minheight;
  88                 bool homogeneous;
  89         } box;
  90 //      QSize hintedSize;
  91 };
  92
  93 #endif