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/*
* Copyright (c) 2022, MacDue <macdue@dueutil.tech>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "HighlightPreviewWidget.h"
#include <AK/DeprecatedString.h>
#include <LibCore/ConfigFile.h>
#include <LibGUI/ConnectionToWindowServer.h>
#include <LibGUI/Painter.h>
#include <LibGfx/AntiAliasingPainter.h>
namespace MouseSettings {
HighlightPreviewWidget::HighlightPreviewWidget(Gfx::Palette const& palette)
: GUI::AbstractThemePreview(palette)
{
(void)reload_cursor();
}
ErrorOr<void> HighlightPreviewWidget::reload_cursor()
{
auto cursor_theme = GUI::ConnectionToWindowServer::the().get_cursor_theme();
auto theme_path = DeprecatedString::formatted("/res/cursor-themes/{}/{}", cursor_theme, "Config.ini");
auto cursor_theme_config = TRY(Core::ConfigFile::open(theme_path));
auto load_bitmap = [](StringView path, StringView default_path) {
auto maybe_bitmap = Gfx::Bitmap::try_load_from_file(path);
if (!maybe_bitmap.is_error())
return maybe_bitmap;
return Gfx::Bitmap::try_load_from_file(default_path);
};
constexpr auto default_cursor_path = "/res/cursor-themes/Default/arrow.x2y2.png"sv;
auto cursor_path = DeprecatedString::formatted("/res/cursor-themes/{}/{}",
cursor_theme, cursor_theme_config->read_entry("Cursor", "Arrow"));
m_cursor_bitmap = TRY(load_bitmap(cursor_path, default_cursor_path));
m_cursor_params = Gfx::CursorParams::parse_from_filename(cursor_path, m_cursor_bitmap->rect().center()).constrained(*m_cursor_bitmap);
// Setup cursor animation:
if (m_cursor_params.frames() > 1 && m_cursor_params.frame_ms() > 0) {
m_frame_timer = TRY(Core::Timer::create_repeating(m_cursor_params.frame_ms(), [&] {
m_cursor_frame = (m_cursor_frame + 1) % m_cursor_params.frames();
update();
}));
m_frame_timer->start();
} else {
m_frame_timer = nullptr;
}
return {};
}
void HighlightPreviewWidget::paint_preview(GUI::PaintEvent&)
{
GUI::Painter painter(*this);
Gfx::AntiAliasingPainter aa_painter { painter };
Gfx::IntRect highlight_rect { 0, 0, m_radius * 2, m_radius * 2 };
highlight_rect.center_within(frame_inner_rect());
aa_painter.fill_ellipse(highlight_rect, m_color);
if (m_cursor_bitmap) {
auto cursor_rect = m_cursor_bitmap->rect();
if (m_cursor_params.frames() > 1)
cursor_rect.set_width(cursor_rect.width() / m_cursor_params.frames());
painter.blit(cursor_rect.centered_within(frame_inner_rect()).location(), *m_cursor_bitmap, cursor_rect.translated(m_cursor_frame * cursor_rect.width(), 0));
}
}
}
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