widget.cpp

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#include "widget.h"

void Widget::draw()
{}

void Widget::_parent(Widget* parentWidget)
{
    this->parentWidget = parentWidget;
}

Widget* Widget::parent()
{
    return parentWidget;
}

Widget* Widget::firstChild()
{
    return start;
}

Widget* Widget::lastChild()
{
    return ending;
}

void Widget::_next(Widget* nextWidget)
{
    this->nextWidget = nextWidget;
}

Widget* Widget::next()
{
    return nextWidget;
}

void Widget::_previous(Widget* previousWidget)
{
    this->previousWidget = previousWidget;
}

Widget* Widget::previous()
{
    return previousWidget;
}

void Widget::add(Widget* child)
{
    length++;
    child->_parent(this);
    this->ending = child;

    if (start == NULL)
    {
        start = child;
        return;
    }

    Widget* previousChild = start;
    while (previousChild->next() != NULL)
    {
        previousChild = previousChild->next();
    }

    previousChild->_next(child);
    child->_previous(previousChild);
}

unsigned short Widget::childLength()
{
    return length;
}

std::vector<Widget*> Widget::children()
{
    std::vector<Widget*> childWidgets;
    Widget* child = start;

    while (child != NULL)
    {
        childWidgets.push_back(child);
        child = child->next();
    }

    return childWidgets;
}

bool Widget::event(unsigned char name)
{
    return events & name;
}

void Widget::listener(unsigned char name, Listener function)
{
    listeners[name].push_back(function);
    events = events | name;
}

void Widget::dispatch(unsigned char name)
{
    for (auto function = listeners[name].begin(); function != listeners[name].end(); function++)
    {
        (*function)();
    }
}

Widget::Widget() : parentWidget(NULL), start(NULL), ending(NULL), nextWidget(NULL), previousWidget(NULL), length(0)
{}