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#include "statusline.hpp"
#include "engine/data/bounds.hpp"
#include "engine/data/vector2.hpp"
#include "util/color.hpp"
#include "util/ranges.hpp"
#include <fmt/color.h>
#include <optional>
#include <utility>
StatusLine::StatusLine(std::shared_ptr<ComponentMatrix> component_matrix) noexcept
: _component_matrix(std::move(component_matrix)), _need_render(false)
{
_component_matrix->fill(ComponentElement({.value = ' '}));
}
auto StatusLine::get() const noexcept -> const std::shared_ptr<ComponentMatrix> &
{
return _component_matrix;
}
auto StatusLine::get_need_render() const noexcept -> bool
{
return _need_render;
}
void StatusLine::set_need_render(bool need_render) noexcept
{
_need_render = need_render;
}
auto StatusLine::get_foreground_color() const noexcept -> uint32_t
{
return static_cast<uint32_t>(fmt::color::white);
}
auto StatusLine::get_background_color() const noexcept -> uint32_t
{
return STATUSLINE_COLOR;
}
void StatusLine::set_section_status(
StatusLineSection section,
const std::string_view &status,
int32_t start) noexcept
{
if (status.length() == 0U)
{
return;
}
_clear_section(section, start);
auto section_start = _get_section_start_x(section);
auto pos = Vector2({.x = section_start + start, .y = 0});
const auto column_cnt = static_cast<int32_t>(_component_matrix->get_column_cnt());
const auto section_length = _section_lengths[section];
const auto status_len = static_cast<int32_t>(status.length());
const auto section_style =
_section_styles.contains(section) ? _section_styles.at(section) : Style();
auto is_style_applied = false;
if (section_style.padding_left > 0U)
{
auto padding_remaining = section_style.padding_left;
_component_matrix->set(pos, {.value = ' ', .style = section_style});
padding_remaining--;
for (auto index : IotaView(0U, padding_remaining))
{
pos += Vector2::right();
_component_matrix->set(pos, {.value = ' '});
}
is_style_applied = true;
}
pos += Vector2::right();
auto status_offset_start = 0U;
// Apply the section style to the first status character if it hasn't
// already been applied
if (!is_style_applied)
{
_component_matrix->set(pos, {.value = status[0], .style = section_style});
status_offset_start++;
pos += Vector2::right();
is_style_applied = true;
}
const auto final_status_length =
status_len <= section_length ? status_len : section_length;
_matrix_write_string(
pos,
status.substr(status_offset_start, static_cast<uint32_t>(final_status_length)));
pos = pos.to_direction(Vector2::right(), final_status_length);
for (auto index : IotaView(0U, section_style.padding_right))
{
_component_matrix->set(pos, {.value = ' '});
pos += Vector2::right();
}
_component_matrix->set(pos, {.value = ' ', .style = {.reset_before = true}});
set_need_render(true);
}
void StatusLine::set_section_length(StatusLineSection section, int32_t length) noexcept
{
_section_lengths[section] = length;
}
void StatusLine::set_section_style(StatusLineSection section, const Style &style) noexcept
{
_section_styles[section] = style;
}
void StatusLine::_matrix_write_string(
const Vector2 &position,
const std::string_view &str) noexcept
{
auto working_pos = position;
for (const auto &character : str)
{
_component_matrix->set(working_pos, {.value = character});
working_pos += Vector2::right();
}
}
auto StatusLine::_get_section_start_x(StatusLineSection section) const noexcept -> int32_t
{
int32_t section_start = 0;
auto section_index = static_cast<int32_t>(section);
while (section_index > 0)
{
const auto prev_section = static_cast<StatusLineSection>(section_index - 1);
section_start += static_cast<int32_t>(_section_lengths.at(prev_section));
section_index--;
}
return section_start;
}
void StatusLine::_clear_section(StatusLineSection section, int32_t start) noexcept
{
auto section_start = _get_section_start_x(section);
auto pos = Vector2({.x = section_start + start, .y = 0});
auto section_length = _section_lengths[section];
for (auto index : IotaView(0, section_length - start))
{
_component_matrix->set(pos, ComponentElement({.value = ' '}));
pos += Vector2::right();
}
}
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