74 lines
1.2 KiB
C++
74 lines
1.2 KiB
C++
#include <psemek/ui/button.hpp>
|
|
|
|
namespace psemek::ui
|
|
{
|
|
|
|
element::children_range button::children() const
|
|
{
|
|
if (!label_)
|
|
return {};
|
|
return children_range{children_};
|
|
}
|
|
|
|
bool button::on_event(mouse_move const & e)
|
|
{
|
|
bool const over = shape().contains(geom::cast<float>(e.position));
|
|
|
|
switch (state_) {
|
|
case state_t::normal:
|
|
if (over)
|
|
{
|
|
state_ = state_t::mouseover;
|
|
on_state_changed();
|
|
}
|
|
break;
|
|
case state_t::mouseover:
|
|
case state_t::mousedown:
|
|
if (!over)
|
|
{
|
|
state_ = state_t::normal;
|
|
on_state_changed();
|
|
}
|
|
break;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool button::on_event(mouse_click const & e)
|
|
{
|
|
if (e.button != mouse_button::left) return false;
|
|
|
|
switch (state_) {
|
|
case state_t::normal:
|
|
break;
|
|
case state_t::mouseover:
|
|
if (e.down)
|
|
{
|
|
state_ = state_t::mousedown;
|
|
if (callback_)
|
|
root()->loop()->post(callback_);
|
|
on_state_changed();
|
|
return true;
|
|
}
|
|
break;
|
|
case state_t::mousedown:
|
|
if (!e.down)
|
|
{
|
|
state_ = state_t::mouseover;
|
|
on_state_changed();
|
|
return true;
|
|
}
|
|
break;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void button::set_label(std::unique_ptr<struct label> label)
|
|
{
|
|
label_ = std::move(label);
|
|
children_[0] = label_.get();
|
|
}
|
|
|
|
}
|