mirror of
https://github.com/SerenityOS/serenity
synced 2024-07-22 10:36:24 +00:00
67 lines
2.6 KiB
C++
67 lines
2.6 KiB
C++
/*
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* Copyright (c) 2022, MacDue <macdue@dueutil.tech>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "HighlightPreviewWidget.h"
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#include <AK/ByteString.h>
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#include <LibCore/ConfigFile.h>
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#include <LibGUI/ConnectionToWindowServer.h>
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#include <LibGUI/Painter.h>
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#include <LibGfx/AntiAliasingPainter.h>
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namespace MouseSettings {
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HighlightPreviewWidget::HighlightPreviewWidget(Gfx::Palette const& palette)
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: GUI::AbstractThemePreview(palette)
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{
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(void)reload_cursor();
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}
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ErrorOr<void> HighlightPreviewWidget::reload_cursor()
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{
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auto cursor_theme = GUI::ConnectionToWindowServer::the().get_cursor_theme();
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auto theme_path = ByteString::formatted("/res/cursor-themes/{}/{}", cursor_theme, "Config.ini");
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auto cursor_theme_config = TRY(Core::ConfigFile::open(theme_path));
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auto load_bitmap = [](StringView path, StringView default_path) {
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auto maybe_bitmap = Gfx::Bitmap::load_from_file(path);
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if (!maybe_bitmap.is_error())
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return maybe_bitmap;
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return Gfx::Bitmap::load_from_file(default_path);
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};
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constexpr auto default_cursor_path = "/res/cursor-themes/Default/arrow.x2y2.png"sv;
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auto cursor_path = ByteString::formatted("/res/cursor-themes/{}/{}",
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cursor_theme, cursor_theme_config->read_entry("Cursor", "Arrow"));
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m_cursor_bitmap = TRY(load_bitmap(cursor_path, default_cursor_path));
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m_cursor_params = Gfx::CursorParams::parse_from_filename(cursor_path, m_cursor_bitmap->rect().center()).constrained(*m_cursor_bitmap);
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// Setup cursor animation:
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if (m_cursor_params.frames() > 1 && m_cursor_params.frame_ms() > 0) {
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m_frame_timer = Core::Timer::create_repeating(m_cursor_params.frame_ms(), [&] {
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m_cursor_frame = (m_cursor_frame + 1) % m_cursor_params.frames();
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update();
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});
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m_frame_timer->start();
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} else {
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m_frame_timer = nullptr;
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}
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return {};
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}
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void HighlightPreviewWidget::paint_preview(GUI::PaintEvent&)
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{
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GUI::Painter painter(*this);
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Gfx::AntiAliasingPainter aa_painter { painter };
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Gfx::IntRect highlight_rect { 0, 0, m_radius * 2, m_radius * 2 };
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highlight_rect.center_within(frame_inner_rect());
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aa_painter.fill_ellipse(highlight_rect, m_color);
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if (m_cursor_bitmap) {
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auto cursor_rect = m_cursor_bitmap->rect();
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if (m_cursor_params.frames() > 1)
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cursor_rect.set_width(cursor_rect.width() / m_cursor_params.frames());
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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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}
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}
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}
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