95 lines
1.7 KiB
C++
95 lines
1.7 KiB
C++
#include <psemek/ui/checkbox.hpp>
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#include <psemek/ui/label.hpp>
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#include <psemek/ui/image_view.hpp>
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namespace psemek::ui
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{
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label * checkbox::label() const
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{
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return dynamic_cast<struct label *>(child().get());
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}
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image_view * checkbox::icon() const
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{
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return dynamic_cast<struct image_view *>(child().get());
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}
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bool checkbox::on_event(mouse_move const & e)
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{
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bool const over = shape().contains(geom::cast<float>(e.position));
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switch (state_) {
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case state_t::normal:
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if (over)
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{
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state_ = state_t::mouseover;
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on_state_changed(state_t::normal);
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}
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break;
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case state_t::mouseover:
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case state_t::mousedown:
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if (!over)
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{
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auto old = state_;
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state_ = state_t::normal;
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on_state_changed(old);
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}
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break;
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}
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return false;
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}
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bool checkbox::on_event(mouse_click const & e)
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{
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if (e.button != mouse_button::left) return false;
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switch (state_) {
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case state_t::normal:
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break;
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case state_t::mouseover:
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if (e.down)
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{
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state_ = state_t::mousedown;
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value_ = !value_;
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post_value_changed();
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on_state_changed(state_t::mouseover);
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return true;
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}
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break;
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case state_t::mousedown:
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if (!e.down)
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{
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state_ = state_t::mouseover;
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on_state_changed(state_t::mousedown);
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return true;
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}
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break;
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}
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return false;
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}
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void checkbox::set_value(bool value, bool signal)
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{
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value_ = value;
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if (signal)
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post_value_changed();
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}
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void checkbox::on_state_changed(state_t old)
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{
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if (state() == state_t::mousedown || old == state_t::mousedown)
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{
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post_reshape();
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}
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}
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void checkbox::post_value_changed()
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{
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if (callback_)
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post([cb = callback_, v = value_]{ cb(v); });
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}
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}
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