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/*
* Copyright (c) 2020, the SerenityOS developers.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <LibCore/ElapsedTimer.h>
#include <LibGUI/Action.h>
#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>
#define WIDTH 64
#define HEIGHT 48
#define INTERVAL 10000
class Screensaver final : public GUI::Widget {
C_OBJECT(Screensaver)
public:
virtual ~Screensaver() override;
private:
Screensaver();
RefPtr<Gfx::Bitmap> m_bitmap;
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()
{
m_bitmap = Gfx::Bitmap::create(Gfx::BitmapFormat::RGB32, { WIDTH, HEIGHT });
srand(time(nullptr));
stop_timer();
start_timer(INTERVAL);
draw();
}
Screensaver::~Screensaver()
{
}
void Screensaver::mousemove_event(GUI::MouseEvent&)
{
::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.draw_scaled_bitmap(event.rect(), *m_bitmap, m_bitmap->rect());
}
void Screensaver::timer_event(Core::TimerEvent&)
{
Core::ElapsedTimer timer;
timer.start();
draw();
}
void Screensaver::draw()
{
const Color colors[] {
Color::Blue,
Color::Cyan,
Color::Green,
Color::LightGray,
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]);
update();
}
int main(int argc, char** argv)
{
auto app = GUI::Application::construct(argc, argv);
if (pledge("stdio rpath shared_buffer", 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 window = GUI::Window::construct();
window->set_double_buffering_enabled(true);
window->set_title("Screensaver");
window->set_resizable(false);
window->set_fullscreen(true);
auto& screensaver_window = window->set_main_widget<Screensaver>();
screensaver_window.update();
window->show();
auto app_icon = GUI::Icon::default_icon("app-screensaver");
window->set_icon(app_icon.bitmap_for_size(16));
return app->exec();
}
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