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#include "statusline.hpp"
#include "engine/escape.hpp"
#include "util/color.hpp"
#include <string>
#include <utility>
StatusLine::StatusLine(
std::shared_ptr<ICursorController> cursor_controller,
std::shared_ptr<IWindow> window
) noexcept
: _cursor_controller(std::move(cursor_controller)), _window(std::move(window))
{
}
void StatusLine::initialize_background() noexcept
{
const auto previous_position = _move_to_statusline(0);
auto background_color = get_background_esc_seq(STATUSBAR_COLOR);
fmt::print("{}{}", background_color, std::string(_window->size().get_width(), ' '));
fmt::print(RESET_ALL_MODES, fmt::arg("esc", ESC));
_move_back(previous_position);
}
void StatusLine::set_status(
const StatusLineSection §ion,
const std::string_view &status,
std::size_t start
) noexcept
{
_clear_section(section, start);
auto section_start = _get_section_start_x(section);
const auto previous_position =
_move_to_statusline(section_start + static_cast<int32_t>(start));
auto background_color = get_background_esc_seq(STATUSBAR_COLOR);
auto section_length = _sections_lengths[section];
fmt::print("{}{}", background_color, status);
fmt::print(RESET_ALL_MODES, fmt::arg("esc", ESC));
_move_back(previous_position);
}
void StatusLine::set_section_length(
const StatusLineSection §ion,
uint32_t length
) noexcept
{
_sections_lengths[section] = length;
}
auto StatusLine::_move_to_statusline(int32_t x) noexcept -> Vector2
{
const auto previous_position = _cursor_controller->where();
const auto window_size = _window->size();
_cursor_controller->hide();
auto window_height = static_cast<Vector2::Value>(window_size.get_height());
_cursor_controller->move_to(Vector2({ .x = x, .y = window_height }), true);
return previous_position;
}
void StatusLine::_move_back(Vector2 previous_position) noexcept
{
_cursor_controller->move_to(previous_position, true);
_cursor_controller->show();
}
auto StatusLine::_get_section_start_x(const StatusLineSection §ion) const noexcept
-> int32_t
{
int32_t section_start = 0;
auto section_index = static_cast<int32_t>(section);
while (section_index > 0)
{
section_start +=
static_cast<int32_t>(_sections_lengths.at(StatusLineSection(section_index - 1)
));
section_index--;
}
return section_start;
}
void StatusLine::_clear_section(
const StatusLineSection §ion,
std::size_t start
) noexcept
{
auto section_start = _get_section_start_x(section);
auto start_int32 = static_cast<int32_t>(start);
const auto previous_position = _move_to_statusline(section_start + start_int32);
auto background_color = get_background_esc_seq(STATUSBAR_COLOR);
auto section_length = _sections_lengths[section];
auto start_uint32 = static_cast<uint32_t>(start);
fmt::print("{}{}", background_color, std::string(section_length - start_uint32, ' '));
fmt::print(RESET_ALL_MODES, fmt::arg("esc", ESC));
_move_back(previous_position);
}
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