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MouseSettings: Add tab to configure cursor highlighting

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This adds a nice little tab, including a preview, for configuring
the cursor highlighting. Which allows setting the color, size/radius,
and opacity.
This commit is contained in:
MacDue 2022-06-04 20:41:13 +01:00 • committed by Linus Groh
parent 5fc13e1d53
commit b558d899ea
7 changed files with 295 additions and 1 deletions
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34
Userland/Applications/MouseSettings/HighlightPreviewWidget.cpp Normal file
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/*
* Copyright (c) 2022, MacDue <macdue@dueutil.tech>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "HighlightPreviewWidget.h"
#include <AK/String.h>
#include <LibGUI/ConnectionToWindowServer.h>
#include <LibGUI/Painter.h>
#include <LibGfx/AntiAliasingPainter.h>
namespace MouseSettings {
HighlightPreviewWidget::HighlightPreviewWidget(Gfx::Palette const& palette)
: GUI::AbstractThemePreview(palette)
{
auto cursor_theme = GUI::ConnectionToWindowServer::the().get_cursor_theme();
m_cursor_bitmap = Gfx::Bitmap::try_load_from_file(String::formatted("/res/cursor-themes/{}/arrow.x2y2.png", cursor_theme)).release_value_but_fixme_should_propagate_errors();
}
void HighlightPreviewWidget::paint_preview(GUI::PaintEvent&)
{
GUI::Painter painter(*this);
if (m_radius > 0 && m_color.alpha() > 0) {
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);
}
painter.blit(m_cursor_bitmap->rect().centered_within(frame_inner_rect()).location(), *m_cursor_bitmap, m_cursor_bitmap->rect());
}
}