68 lines
1.7 KiB
C++
68 lines
1.7 KiB
C++
#include <psemek/ui/spawn.hpp>
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#include <psemek/ui/event_interceptor.hpp>
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#include <psemek/ui/positioner.hpp>
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#include <psemek/ui/screen.hpp>
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namespace psemek::ui
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{
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namespace
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{
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struct opaque_event_interceptor
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: event_interceptor
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{
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bool transparent() const override { return false; }
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};
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}
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bool spawn(element * root, std::shared_ptr<element> element, math::point<float, 2> const & position)
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{
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ui::screen * screen = find_last_parent_of_type<struct screen>(root);
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if (!screen)
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return false;
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auto event_interceptor = std::make_shared<opaque_event_interceptor>();
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auto positioner = std::make_shared<struct positioner>();
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positioner->set_child(element);
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event_interceptor->set_child(positioner);
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auto loop = screen->loop();
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auto close = [root = event_interceptor.get()]{
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auto p = dynamic_cast<struct screen *>(root->parent());
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if (p)
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p->remove_child(root);
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};
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event_interceptor->on_mouse_click([loop, close](ui::mouse_click const & e) -> bool {
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if (e.down && (e.button == ui::mouse_button::right || e.button == ui::mouse_button::left))
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{
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loop->post(close);
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return true;
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}
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return false;
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});
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event_interceptor->on_key_press([loop, close](key_press const & e) -> bool {
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if (e.down && e.key == SDLK_ESCAPE)
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{
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loop->post(close);
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return true;
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}
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return false;
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});
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event_interceptor->on_mouse_move([](mouse_move const &){ return true; });
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send_fake_mouse_move_event(event_interceptor.get(), true);
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positioner->set_position(position, positioner::x_align::left, positioner::y_align::top);
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screen->add_child(event_interceptor, screen::x_policy::fill, screen::y_policy::fill);
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return true;
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}
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}
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