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Demos+LibDesktop: Centralize screensaver logic

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We have 3 demos with pretty similar window logic and quitting behavior
on user activity, so centralize that into `Desktop::Screensaver`.
This commit is contained in:
Jelle Raaijmakers 2022-12-27 00:40:39 +01:00 • committed by Andreas Kling
parent 379e4a2432
commit 18b6bdb563
11 changed files with 108 additions and 99 deletions
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54
Userland/Libraries/LibDesktop/Screensaver.cpp Normal file
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/*
* Copyright (c) 2022, Jelle Raaijmakers <jelle@gmta.nl>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibDesktop/Screensaver.h>
#include <LibGUI/Icon.h>
namespace Desktop {
static constexpr int mouse_max_distance_move = 10;
ErrorOr<NonnullRefPtr<GUI::Window>> Screensaver::create_window(StringView title, StringView icon)
{
auto window = TRY(GUI::Window::try_create());
window->set_double_buffering_enabled(false);
window->set_frameless(true);
window->set_fullscreen(true);
window->set_minimizable(false);
window->set_resizable(false);
window->set_title(title);
auto app_icon = TRY(GUI::Icon::try_create_default_icon(icon));
window->set_icon(app_icon.bitmap_for_size(16));
return window;
}
void Screensaver::keydown_event(GUI::KeyEvent&)
{
trigger_exit();
}
void Screensaver::mousedown_event(GUI::MouseEvent&)
{
trigger_exit();
}
void Screensaver::mousemove_event(GUI::MouseEvent& event)
{
if (!m_mouse_origin.has_value())
m_mouse_origin = event.position();
else if (event.position().distance_from(m_mouse_origin.value()) > mouse_max_distance_move)
trigger_exit();
}
void Screensaver::trigger_exit()
{
if (on_screensaver_exit)
on_screensaver_exit();
}
}