File content as of revision 12:63db16fea709:

#include "ContainerWidget.h"

ContainerWidget::ContainerWidget(GraphicsContext *context)
    :
    Window(context), _layout(HORIZONTAL)
{
}

void ContainerWidget::setLayout(Layout l)
{
    if(_layout != l) {
        _layout = l;
        damage();
    }
}

void ContainerWidget::setSize(int width, int height)
{
    if(_minWidth != width || _minHeight != height) {
        _minWidth = width;
        _minHeight = height;
        damage();
    }
    Window::setSize(width, height);
}



void ContainerWidget::_adjust()
{
    setSize(_minWidth, _minHeight);
    Window::_adjust();

    int wx = _inner.x;
    int wy = _inner.y;
    int width = 0;
    int height = 0;

    

    Widget *w;
    
    _widgets.reset();

    while((w = _widgets.next()) != NULL) {

        // Position the widgets
        w->setLocation(wx, wy);

        if(_layout == HORIZONTAL) {
            wx += w->width();
            if(w->height() > height) {
                height = w->height();
            }
        } else {
            wy += w->height();
            if(w->width() > width) {
                width = w->width();
            }
        }
    }

    int neededWidth;
    int neededHeight;

    if(_layout == HORIZONTAL) {
        neededWidth = _padding + _borderWidth + wx - _outer.x;
        neededHeight = 2 * (_padding + _borderWidth) + height;
    } else {
        neededWidth = 2 * (_padding + _borderWidth) + width;
        neededHeight = _padding + _borderWidth + wy - _outer.y;
    }

    if(neededWidth > _outer.width) {
        setWidth(neededWidth);
    }

    if(neededHeight > _outer.height) {
        setHeight(neededHeight);
    }

    if(_layout == VERTICAL_CENTER) {
        // layout again to center the widgets
        int center = (_outer.width/2) + _outer.x;
        _widgets.reset();
        while((w = _widgets.next()) != NULL) {
            w->setLocation(center - (w->width() / 2), w->y());
        }
    }
    
    Window::_adjust();
}