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#include "nes/app/ui/screen-browser.hh"
#include "nes/app/graphics/renderer.hh"
#include "nes/app/graphics/color.hh"
#include "nes/app/input/input-device-keyboard.hh"
#include "nes/common/string-builder.hh"
namespace nes::app
{
auto screen_browser::selection_impl::render_item(
renderer& renderer, i32 const& item, i32 const x, i32 const y, u32 const width, color const color) const -> void
{
renderer.render_text_format(x, y, color, text_attributes{}.set_max_width(width), "Item {}", item);
}
auto screen_browser::selection_impl::load_page(int (&items)[5], u32 const page) -> u32
{
for (auto i = u32{ 0 }; i < 5; ++i)
{
items[i] = static_cast<i32>(page * 5 + i);
}
return 5;
}
screen_browser::screen_browser(input_device_keyboard& keyboard)
: keyboard_{ keyboard }
{
selection_.set_page_count(2);
}
auto screen_browser::render(renderer& renderer) -> void
{
renderer.render_fill(color::background_primary);
renderer.render_rect(0, 0, 32, 3, color::background_secondary);
renderer.render_text(2, 1, "Load Game", color::foreground_primary);
renderer.render_text_format(
30, 1, color::foreground_secondary, text_attributes{}.set_alignment(text_alignment::right),
"Page {}/{}", selection_.get_current_page() + 1, selection_.get_page_count());
selection_.render(renderer);
}
auto screen_browser::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::backspace))
{
return action::go_to_title;
}
else if (event == input_event::key_down(key::enter))
{
return action::launch_game;
}
}
return action::none;
}
} // namespace nes::app
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