box.h

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/*
  libwt - Vassilis Virvilis Toolkit - a widget library
  Copyright (C) 2006 Vassilis Virvilis <vasvir2@fastmail.fm>
 
  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.
  
  This library is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  Lesser General Public License for more details.
  
  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, write to the
  Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  Boston, MA  02111-1307, SA.
*/

#ifndef WT_BOX_H
#define WT_BOX_H

#include <wt/frame.h>
#include <wt/layout.h>

namespace Wt {

class Box : public Frame {
public:
    typedef enum {
        Horizontal,
        Vertical
    } Orientation;

    Box(Orientation orientation, Widget * parent = 0,
        const std::string &name = "Box::anon", int wflags = 0) :
            Frame(parent, name, wflags),
    orientation(orientation) {
        Layout *l = 0;
        switch (orientation) {
        case Horizontal:
            l = new HBoxLayout(this);
            break;
        case Vertical:
            l = new VBoxLayout(this);
            break;
        default:
            assert(0);
            break;
        }

        l->autoAdd = true;
    }

    void add
        (LayoutItem *li) {
        layout()->addItem(li);
    }

    bool setStretchFactor(Widget *w, int stretch) {
        BoxLayout *l = static_cast<BoxLayout *>(layout());
        if (l->exists(w)) {
            trace("layout") << "Setting stretch factor to "
            << stretch << " in " << w << std::endl;
            SizePolicy sp = w->sizePolicy();
            bool horizontal = l->isWidthPrimaryLength();
            if (horizontal) {
                sp.horizontalStretch = stretch;
            } else {
                sp.verticalStretch = stretch;
            }
            w->setSizePolicy(sp);
            return true;
        }
        return false;
    }

private:
    Orientation orientation;
};

class HBox : public Box {
public:
    HBox(Widget *parent = 0,
         const std::string &name = "HBox::anon", int wflags = 0) :
    Box(Box::Horizontal, parent, name, wflags) {}

private:
};

class VBox : public Box {
public:
    VBox(Widget *parent = 0,
         const std::string &name = "VBox::anon", int wflags = 0) :
    Box(Box::Vertical, parent, name, wflags) {}

private:
};

}

#endif // WT_BOX_H

---

Generated Fri Jul 28 19:22:59 2006.
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This document is licensed under the terms of the GNU Free Documentation License and may be freely distributed under the conditions given by this license.