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WindowServer: Implement cursor highlighting

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This allows drawing a nice cursor highlight with an arbitrary color
and radius in the compositor. The highlight circle is, of course,
antialiased :^).
This commit is contained in:
MacDue 2022-06-04 20:35:14 +01:00 • committed by Linus Groh
parent 2a49b58269
commit 29d8ec1b18
3 changed files with 55 additions and 4 deletions
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26
Userland/Services/WindowServer/WindowManager.cpp
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@ -82,6 +82,10 @@ void WindowManager::reload_config()
m_double_click_speed = m_config->read_num_entry("Input", "DoubleClickSpeed", 250);
m_buttons_switched = m_config->read_bool_entry("Mouse", "ButtonsSwitched", false);
m_cursor_highlight_radius = m_config->read_num_entry("Mouse", "CursorHighlightRadius", 0);
Color default_highlight_color = Color::NamedColor::Yellow;
default_highlight_color.set_alpha(80);
m_cursor_highlight_color = Color::from_string(m_config->read_entry("Mouse", "CursorHighlightColor")).value_or(default_highlight_color);
apply_cursor_theme(m_config->read_entry("Mouse", "CursorTheme", "Default"));
auto reload_graphic = [&](RefPtr<MultiScaleBitmaps>& bitmap, String const& name) {
@ -2273,6 +2277,28 @@ void WindowManager::apply_cursor_theme(String const& theme_name)
sync_config_to_disk();
}
void WindowManager::set_cursor_highlight_radius(int radius)
{
// TODO: Validate radius
m_cursor_highlight_radius = radius;
Compositor::the().invalidate_cursor();
m_config->write_num_entry("Mouse", "CursorHighlightRadius", radius);
sync_config_to_disk();
}
void WindowManager::set_cursor_highlight_color(Gfx::Color const& color)
{
m_cursor_highlight_color = color;
Compositor::the().invalidate_cursor();
m_config->write_entry("Mouse", "CursorHighlightColor", color.to_string());
sync_config_to_disk();
}
bool WindowManager::is_cursor_highlight_enabled() const
{
return m_cursor_highlight_radius > 0 && m_cursor_highlight_color.alpha() > 0;
}
bool WindowManager::sync_config_to_disk()
{
if (auto result = m_config->sync(); result.is_error()) {