psemek/libs/ui/source/impl/button_base.cpp

55 lines
1.1 KiB
C++

#include <psemek/ui/impl/button_base.hpp>
#include <psemek/geom/contains.hpp>
namespace psemek::ui::impl
{
button_base::button_base()
{}
bool button_base::on_event(mouse_move_event const & event)
{
bool const mouseover = geom::contains(shape(), geom::cast<float>(event.position));
if (is_mouseover_ != mouseover)
{
is_mouseover_ = mouseover;
mouseover_.set(is_mouseover_);
on_mouseover_.set(is_mouseover_);
}
return false;
}
bool button_base::on_event(mouse_button_event const & event)
{
bool const mousedown = event.button == app::mouse_button::left && event.down;
if (is_mouseover_ || !mousedown)
{
if (is_mousedown_ != mousedown)
{
is_mousedown_ = mousedown;
mousedown_.set(is_mousedown_);
on_mousedown_.set(is_mousedown_);
}
return is_mouseover_ && is_mousedown_;
}
return false;
}
void button_base::update(button const & value)
{
mouseover_ = value.mouseover;
mousedown_ = value.mousedown;
on_mouseover_ = value.on_mouseover;
on_mousedown_ = value.on_mousedown;
mouseover_.set(is_mouseover_);
mousedown_.set(is_mousedown_);
}
}