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/*
* Copyright (c) 2020, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibGUI/Application.h>
#include <LibGUI/Event.h>
#include <LibGUI/Icon.h>
#include <LibGUI/Painter.h>
#include <LibGUI/Widget.h>
#include <LibGUI/Window.h>
#include <LibGfx/Bitmap.h>
#include <stdio.h>
#include <time.h>
#include <unistd.h>
class Screensaver final : public GUI::Widget {
C_OBJECT(Screensaver)
public:
virtual ~Screensaver() override;
private:
Screensaver(int width = 64, int height = 48, int interval = 10000);
RefPtr<Gfx::Bitmap> m_bitmap;
Gfx::IntPoint m_mouse_origin;
void draw();
virtual void paint_event(GUI::PaintEvent&) override;
virtual void timer_event(Core::TimerEvent&) override;
virtual void keydown_event(GUI::KeyEvent&) override;
virtual void mousedown_event(GUI::MouseEvent& event) override;
virtual void mousemove_event(GUI::MouseEvent& event) override;
};
Screensaver::Screensaver(int width, int height, int interval)
{
m_bitmap = Gfx::Bitmap::try_create(Gfx::BitmapFormat::BGRx8888, { width, height });
srand(time(nullptr));
stop_timer();
start_timer(interval);
draw();
}
Screensaver::~Screensaver()
{
}
void Screensaver::mousemove_event(GUI::MouseEvent& event)
{
constexpr float max_distance_move = 10;
if (m_mouse_origin.is_null()) {
m_mouse_origin = event.position();
} else if (event.position().distance_from(m_mouse_origin) > max_distance_move) {
::exit(0);
}
}
void Screensaver::mousedown_event(GUI::MouseEvent&)
{
::exit(0);
}
void Screensaver::keydown_event(GUI::KeyEvent&)
{
::exit(0);
}
void Screensaver::paint_event(GUI::PaintEvent& event)
{
GUI::Painter painter(*this);
painter.add_clip_rect(event.rect());
painter.draw_scaled_bitmap(rect(), *m_bitmap, m_bitmap->rect());
}
void Screensaver::timer_event(Core::TimerEvent&)
{
draw();
update();
}
void Screensaver::draw()
{
const Color colors[] {
Color::Blue,
Color::Cyan,
Color::Green,
Color::Magenta,
Color::Red,
Color::Yellow,
};
const Orientation orientations[] {
Gfx::Orientation::Horizontal,
Gfx::Orientation::Vertical
};
int start_color_index = 0;
int end_color_index = 0;
while (start_color_index == end_color_index) {
start_color_index = rand() % (sizeof(colors) / sizeof(colors[0]));
end_color_index = rand() % (sizeof(colors) / sizeof(colors[0]));
}
GUI::Painter painter(*m_bitmap);
painter.fill_rect_with_gradient(
orientations[rand() % (sizeof(orientations) / sizeof(orientations[0]))],
m_bitmap->rect(),
colors[start_color_index],
colors[end_color_index]);
}
int main(int argc, char** argv)
{
if (pledge("stdio rpath recvfd sendfd unix", nullptr) < 0) {
perror("pledge");
return 1;
}
auto app = GUI::Application::construct(argc, argv);
if (pledge("stdio rpath recvfd sendfd", nullptr) < 0) {
perror("pledge");
return 1;
}
if (unveil("/res", "r") < 0) {
perror("unveil");
return 1;
}
if (unveil(nullptr, nullptr) < 0) {
perror("unveil");
return 1;
}
auto app_icon = GUI::Icon::default_icon("app-screensaver");
auto window = GUI::Window::construct();
window->set_double_buffering_enabled(false);
window->set_title("Screensaver");
window->set_resizable(false);
window->set_frameless(true);
window->set_fullscreen(true);
window->set_minimizable(false);
window->set_icon(app_icon.bitmap_for_size(16));
auto& screensaver_window = window->set_main_widget<Screensaver>(64, 48, 10000);
screensaver_window.set_fill_with_background_color(false);
screensaver_window.set_override_cursor(Gfx::StandardCursor::Hidden);
screensaver_window.update();
window->show();
window->move_to_front();
window->set_cursor(Gfx::StandardCursor::Hidden);
window->update();
return app->exec();
}
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