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66 lines
2.4 KiB
C++
66 lines
2.4 KiB
C++
/*
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* packedlayout.h - layout to pack items into rows
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* Program: kalarm
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* Copyright © 2007 by David Jarvie <djarvie@kde.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef PACKEDLAYOUT_H
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#define PACKEDLAYOUT_H
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#include <QLayout>
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#include <QList>
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/**
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* The PackedLayout class packs a group of widgets into rows.
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* The widgets are arranged according to the total width available.
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*
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* @author David Jarvie <djarvie@kde.org>
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*/
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class PackedLayout : public QLayout
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{
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public:
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/** Constructor.
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* @param parent the parent widget
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* @param alignment how to align the widgets horizontally within the layout
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*/
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PackedLayout(QWidget* parent, Qt::Alignment alignment);
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explicit PackedLayout(Qt::Alignment alignment);
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~PackedLayout();
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// Override QLayout methods
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virtual bool hasHeightForWidth() const { return true; }
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virtual int heightForWidth(int w) const;
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virtual int count() const { return mItems.count(); }
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virtual void addItem(QLayoutItem* item);
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virtual QLayoutItem* itemAt(int index) const;
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virtual QLayoutItem* takeAt(int index);
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virtual void setGeometry(const QRect& r);
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virtual QSize sizeHint() const { return minimumSize(); }
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virtual QSize minimumSize() const;
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virtual Qt::Orientations expandingDirections() const { return Qt::Vertical | Qt::Horizontal; }
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virtual void invalidate() { mWidthCached = mHeightCached = false; }
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private:
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int arrange(const QRect&, bool set) const;
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QList<QLayoutItem*> mItems;
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Qt::Alignment mAlignment;
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mutable int mWidthCached;
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mutable int mHeightCached;
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};
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#endif // PACKEDLAYOUT_H
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// vim: et sw=4:
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