kalarm/lib

packedlayout.h

00001 /*
00002  *  packedlayout.h  -  layout to pack items into rows
00003  *  Program:  kalarm
00004  *  Copyright © 2007 by David Jarvie <djarvie@kde.org>
00005  *
00006  *  This program is free software; you can redistribute it and/or modify
00007  *  it under the terms of the GNU General Public License as published by
00008  *  the Free Software Foundation; either version 2 of the License, or
00009  *  (at your option) any later version.
00010  *
00011  *  This program is distributed in the hope that it will be useful,
00012  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
00014  *  GNU General Public License for more details.
00015  *
00016  *  You should have received a copy of the GNU General Public License along
00017  *  with this program; if not, write to the Free Software Foundation, Inc.,
00018  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
00019  */
00020 #ifndef PACKEDLAYOUT_H
00021 #define PACKEDLAYOUT_H
00022 
00023 #include <QLayout>
00024 #include <QList>
00025 
00026 
00033 class PackedLayout : public QLayout
00034 {
00035     public:
00040         PackedLayout(QWidget* parent, Qt::Alignment alignment);
00041         explicit PackedLayout(Qt::Alignment alignment);
00042         ~PackedLayout();
00043         // Override QLayout methods
00044         virtual bool hasHeightForWidth() const  { return true; }
00045         virtual int heightForWidth(int w) const;
00046         virtual int count() const  { return mItems.count(); }
00047         virtual void addItem(QLayoutItem* item);
00048         virtual QLayoutItem* itemAt(int index) const;
00049         virtual QLayoutItem* takeAt(int index);
00050         virtual void setGeometry(const QRect& r);
00051         virtual QSize sizeHint() const  { return minimumSize(); }
00052         virtual QSize minimumSize() const;
00053         virtual Qt::Orientations expandingDirections() const  { return Qt::Vertical | Qt::Horizontal; }
00054         virtual void invalidate()  { mWidthCached = mHeightCached = false; }
00055 
00056     private:
00057         int arrange(const QRect&, bool set) const;
00058         QList<QLayoutItem*> mItems;
00059         Qt::Alignment mAlignment;
00060         mutable int mWidthCached;
00061         mutable int mHeightCached;
00062 };
00063 
00064 #endif // PACKEDLAYOUT_H
kalarm/lib

packedlayout.h

kalarm/lib

kdepim
