1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-28 04:17:34 +00:00

Demos: Move to Userland/Demos/

This commit is contained in:
Andreas Kling 2021-01-12 12:00:09 +01:00
parent ececac65c2
commit 7fc079bd86
23 changed files with 1 additions and 1 deletions

View file

@ -0,0 +1,7 @@
set(SOURCES
main.cpp
EyesWidget.cpp
)
serenity_app(Eyes ICON app-eyes)
target_link_libraries(Eyes LibGUI LibGfx)

View file

@ -0,0 +1,137 @@
/*
* Copyright (c) 2020, Sergey Bugaev <bugaevc@serenityos.org>
* 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 "EyesWidget.h"
#include <LibGUI/Painter.h>
#include <LibGUI/Window.h>
#include <LibGUI/WindowServerConnection.h>
#include <LibGfx/Palette.h>
#include <math.h>
EyesWidget::~EyesWidget()
{
}
void EyesWidget::track_cursor_globally()
{
ASSERT(window());
auto window_id = window()->window_id();
ASSERT(window_id >= 0);
set_global_cursor_tracking(true);
GUI::WindowServerConnection::the().send_sync<Messages::WindowServer::SetGlobalCursorTracking>(window_id, true);
}
void EyesWidget::mousemove_event(GUI::MouseEvent& event)
{
m_mouse_position = event.position();
update();
}
void EyesWidget::paint_event(GUI::PaintEvent& event)
{
GUI::Painter painter(*this);
painter.clear_rect(event.rect(), Gfx::Color());
for (int i = 0; i < m_full_rows; i++) {
for (int j = 0; j < m_eyes_in_row; j++)
render_eyeball(i, j, painter);
}
for (int i = 0; i < m_extra_columns; ++i)
render_eyeball(m_full_rows, i, painter);
}
void EyesWidget::render_eyeball(int row, int column, GUI::Painter& painter) const
{
auto eye_width = width() / m_eyes_in_row;
auto eye_height = height() / m_num_rows;
Gfx::IntRect bounds { column * eye_width, row * eye_height, eye_width, eye_height };
auto width_thickness = max(int(eye_width / 5.5), 1);
auto height_thickness = max(int(eye_height / 5.5), 1);
bounds.shrink(int(eye_width / 12.5), 0);
painter.fill_ellipse(bounds, palette().base_text());
bounds.shrink(width_thickness, height_thickness);
painter.fill_ellipse(bounds, palette().base());
Gfx::IntPoint pupil_center = this->pupil_center(bounds);
Gfx::IntSize pupil_size {
bounds.width() / 5,
bounds.height() / 5
};
Gfx::IntRect pupil {
pupil_center.x() - pupil_size.width() / 2,
pupil_center.y() - pupil_size.height() / 2,
pupil_size.width(),
pupil_size.height()
};
painter.fill_ellipse(pupil, palette().base_text());
}
Gfx::IntPoint EyesWidget::pupil_center(Gfx::IntRect& eyeball_bounds) const
{
auto mouse_vector = m_mouse_position - eyeball_bounds.center();
double dx = mouse_vector.x();
double dy = mouse_vector.y();
double mouse_distance = sqrt(dx * dx + dy * dy);
if (mouse_distance == 0.0)
return eyeball_bounds.center();
double width_squared = eyeball_bounds.width() * eyeball_bounds.width();
double height_squared = eyeball_bounds.height() * eyeball_bounds.height();
double max_distance_along_this_direction;
// clang-format off
if (dx != 0 && abs(dx) >= abs(dy)) {
double slope = dy / dx;
double slope_squared = slope * slope;
max_distance_along_this_direction = 0.25 * sqrt(
(slope_squared + 1) /
(1 / width_squared + slope_squared / height_squared)
);
} else if (dy != 0 && abs(dy) >= abs(dx)) {
double slope = dx / dy;
double slope_squared = slope * slope;
max_distance_along_this_direction = 0.25 * sqrt(
(slope_squared + 1) /
(slope_squared / width_squared + 1 / height_squared)
);
} else {
ASSERT_NOT_REACHED();
}
// clang-format on
double scale = min(1.0, max_distance_along_this_direction / mouse_distance);
return {
eyeball_bounds.center().x() + int(dx * scale),
eyeball_bounds.center().y() + int(dy * scale)
};
}

View file

@ -0,0 +1,59 @@
/*
* Copyright (c) 2020, Sergey Bugaev <bugaevc@serenityos.org>
* 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.
*/
#pragma once
#include <LibGUI/Widget.h>
#include <LibGfx/Point.h>
class EyesWidget final : public GUI::Widget {
C_OBJECT(EyesWidget)
public:
virtual ~EyesWidget();
void track_cursor_globally();
private:
EyesWidget(int num_eyes, int full_rows, int extra)
: m_full_rows(full_rows)
, m_extra_columns(extra)
{
m_num_rows = m_extra_columns > 0 ? m_full_rows + 1 : m_full_rows;
m_eyes_in_row = m_full_rows > 0 ? (num_eyes - m_extra_columns) / m_full_rows : m_extra_columns;
}
virtual void mousemove_event(GUI::MouseEvent&) override;
virtual void paint_event(GUI::PaintEvent&) override;
void render_eyeball(int row, int column, GUI::Painter&) const;
Gfx::IntPoint pupil_center(Gfx::IntRect& eyeball_bounds) const;
Gfx::IntPoint m_mouse_position;
int m_eyes_in_row { -1 };
int m_full_rows { -1 };
int m_extra_columns { -1 };
int m_num_rows { -1 };
};

View file

@ -0,0 +1,113 @@
/*
* Copyright (c) 2020, Sergey Bugaev <bugaevc@serenityos.org>
* 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 "EyesWidget.h"
#include <LibCore/ArgsParser.h>
#include <LibGUI/Application.h>
#include <LibGUI/Icon.h>
#include <LibGUI/Menu.h>
#include <LibGUI/MenuBar.h>
#include <LibGUI/Window.h>
#include <LibGfx/Bitmap.h>
int main(int argc, char* argv[])
{
int num_eyes = 2;
int max_in_row = 13;
// Alternatively, allow the user to ask for a grid.
int grid_rows = -1;
int grid_columns = -1;
Core::ArgsParser args_parser;
args_parser.add_option(num_eyes, "Number of eyes", "num-eyes", 'n', "number");
args_parser.add_option(max_in_row, "Maximum number of eyes in a row", "max-in-row", 'm', "number");
args_parser.add_option(grid_rows, "Number of rows in grid (incompatible with --number)", "grid-rows", 'r', "number");
args_parser.add_option(grid_columns, "Number of columns in grid (incompatible with --number)", "grid-cols", 'c', "number");
args_parser.parse(argc, argv);
if (pledge("stdio shared_buffer accept rpath unix cpath wpath fattr thread", nullptr) < 0) {
perror("pledge");
return 1;
}
auto app = GUI::Application::construct(argc, argv);
if (pledge("stdio shared_buffer accept rpath cpath wpath thread", nullptr) < 0) {
perror("pledge");
return 1;
}
if (unveil("/res", "r") < 0) {
perror("unveil");
return 1;
}
if (unveil(nullptr, nullptr) < 0) {
perror("unveil");
return 1;
}
if ((grid_rows > 0) ^ (grid_columns > 0)) {
warnln("Expected either both or none of 'grid-rows' and 'grid-cols' to be passed.");
return 1;
}
int full_rows, extra_columns;
if (grid_rows > 0) {
full_rows = grid_rows;
extra_columns = 0;
num_eyes = grid_rows * grid_columns;
max_in_row = grid_columns;
} else {
full_rows = num_eyes / max_in_row;
extra_columns = num_eyes % max_in_row;
}
auto app_icon = GUI::Icon::default_icon("app-eyes");
auto window = GUI::Window::construct();
window->set_title("Eyes");
window->set_icon(app_icon.bitmap_for_size(16));
window->resize(75 * (full_rows > 0 ? max_in_row : extra_columns), 100 * (full_rows + (extra_columns > 0 ? 1 : 0)));
window->set_has_alpha_channel(true);
auto& eyes = window->set_main_widget<EyesWidget>(num_eyes, full_rows, extra_columns);
auto menubar = GUI::MenuBar::construct();
auto& app_menu = menubar->add_menu("Eyes Demo");
app_menu.add_action(GUI::CommonActions::make_quit_action([&](auto&) { app->quit(); }));
auto& help_menu = menubar->add_menu("Help");
help_menu.add_action(GUI::CommonActions::make_about_action("Eyes Demo", app_icon, window));
app->set_menubar(move(menubar));
window->show();
eyes.track_cursor_globally();
return app->exec();
}