void Scroller::onScroll(Widget& widget, vec2 offset)
{
if (m_orientation == HORIZONTAL)
setValue(m_value + float(offset.x) * valueStep(), true);
else
setValue(m_value + float(offset.y) * valueStep(), true);
}
void Scroller::onMouseButton(Widget& widget,
vec2 point,
MouseButton button,
Action action,
uint mods)
{
if (action != PRESSED)
return;
const vec2 local = transformToLocal(point);
const float size = handleSize();
const float offset = handleOffset();
if (m_orientation == HORIZONTAL)
{
if (local.x < offset)
setValue(m_value - valueStep(), true);
else if (local.x >= offset + size)
setValue(m_value + valueStep(), true);
}
else
{
if (local.y > height() - offset)
setValue(m_value - valueStep(), true);
else if (local.y <= height() - offset - size)
setValue(m_value + valueStep(), true);
}
}
void Scroller::onKey(Key key, Action action, uint mods)
{
if ((action == PRESSED || action == REPEATED) && mods == 0)
{
switch (key)
{
case KEY_DOWN:
case KEY_RIGHT:
{
setValue(m_value + valueStep(), true);
break;
}
case KEY_UP:
case KEY_LEFT:
{
setValue(m_value - valueStep(), true);
break;
}
case KEY_HOME:
{
setValue(m_minValue, true);
break;
}
case KEY_END:
{
setValue(m_maxValue, true);
break;
}
default:
break;
}
}
Widget::onKey(key, action, mods);
}
void Scroller::onKey(Widget& widget, Key key, Action action, uint mods)
{
if (action != PRESSED)
{
switch (key)
{
case KEY_DOWN:
case KEY_RIGHT:
{
setValue(m_value + valueStep(), true);
break;
}
case KEY_UP:
case KEY_LEFT:
{
setValue(m_value - valueStep(), true);
break;
}
case KEY_HOME:
{
setValue(m_minValue, true);
break;
}
case KEY_END:
{
setValue(m_maxValue, true);
break;
}
default:
break;
}
}
}
