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#include "nes/app/ui/screen-title.hh"
#include "nes/app/graphics/renderer.hh"
#include "nes/app/graphics/color.hh"
#include "nes/app/graphics/tiles/banner.hh"
#include "nes/app/input/input-device-keyboard.hh"
namespace nes::app
{
auto screen_title::selection_impl::render_item(
renderer& renderer, item const& item, i32 const x, i32 const y, u32 const width, color const color) const -> void
{
auto const attrs = text_attributes{}
.set_max_width(width);
switch (item)
{
case item::load_game: renderer.render_text(x, y, "Load Game", color, attrs); break;
case item::settings: renderer.render_text(x, y, "Settings", color, attrs); break;
case item::help: renderer.render_text(x, y, "Help", color, attrs); break;
}
}
auto screen_title::selection_impl::load_page(item (&items)[3], u32) -> u32
{
items[0] = item::load_game;
items[1] = item::settings;
items[2] = item::help;
return 3;
}
screen_title::screen_title(input_device_keyboard& keyboard)
: keyboard_{ keyboard }
{
selection_.set_page_count(1);
}
auto screen_title::render(renderer& renderer) -> void
{
renderer.render_fill(color::background_primary);
renderer.render_image(2, 4, tiles::banner);
selection_.render(renderer);
}
auto screen_title::process_events() -> action
{
while (auto const event = keyboard_.poll_event())
{
if (event == input_event::key_down(key::space))
{
selection_.go_next();
}
else if (event == input_event::key_down(key::arrow_up))
{
selection_.go_up();
}
else if (event == input_event::key_down(key::arrow_down))
{
selection_.go_down();
}
else if (event == input_event::key_down(key::enter))
{
switch (*selection_.get_selected())
{
case item::load_game: return action::go_to_browser;
case item::settings: return action::go_to_settings;
case item::help: return action::go_to_help;
}
}
}
return action::none;
}
} // namespace nes::app
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