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Add webassembly support (#79)

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This commit is contained in:
Arthur Sonzogni
2021-03-22 00:26:52 +01:00
committed by GitHub
parent 65c0297789
commit 373b016ca9
35 changed files with 267 additions and 47 deletions
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11
examples/CMakeLists.txt
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@@ -1,3 +1,14 @@
add_subdirectory(component)
add_subdirectory(dom)
add_subdirectory(util)
if (EMSCRIPTEN)
foreach(file
"index.html"
"run_webassembly.sh")
configure_file(
${CMAKE_CURRENT_SOURCE_DIR}/${file}
${CMAKE_CURRENT_BINARY_DIR}/${file}
)
endforeach(file)
endif()

2
examples/dom/border.cpp
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@@ -28,7 +28,7 @@ int main(int argc, const char* argv[]) {
});
auto screen = Screen::Create(Dimension::Full(), Dimension::Fit(document));
Render(screen, document);
std::cout << screen.ToString() << std::endl;
screen.Print();
}
// Copyright 2020 Arthur Sonzogni. All rights reserved.

2
examples/dom/color_gallery.cpp
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@@ -126,7 +126,7 @@ int main(int argc, const char* argv[]) {
auto screen = Screen::Create(Dimension::Full(), Dimension::Fit(document));
Render(screen, document);
std::cout << screen.ToString();
screen.Print();
return 0;
}

2
examples/dom/color_info_palette256.cpp
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@@ -30,7 +30,7 @@ int main(int argc, const char* argv[]) {
auto screen = Screen::Create(Dimension::Full(), Dimension::Fit(document));
Render(screen, document);
std::cout << screen.ToString();
screen.Print();
return 0;
}

2
examples/dom/color_truecolor_HSV.cpp
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@@ -26,7 +26,7 @@ int main(int argc, const char* argv[]) {
auto screen = Screen::Create(Dimension::Full(), Dimension::Fit(document));
Render(screen, document);
std::cout << screen.ToString();
screen.Print();
return 0;
}

2
examples/dom/color_truecolor_RGB.cpp
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@@ -45,7 +45,7 @@ int main(int argc, const char* argv[]) {
auto screen = Screen::Create(Dimension::Full(), Dimension::Fit(document));
Render(screen, document);
std::cout << screen.ToString();
screen.Print();
return 0;
}

2
examples/dom/dbox.cpp
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@@ -17,7 +17,7 @@ int main(int argc, const char* argv[]) {
auto screen = Screen::Create(Dimension::Full(), Dimension::Fit(document));
Render(screen, document);
std::cout << screen.ToString();
screen.Print();
return 0;
}

3
examples/dom/gauge.cpp
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@@ -19,7 +19,8 @@ int main(int argc, const char* argv[]) {
});
auto screen = Screen(100, 1);
Render(screen, document);
std::cout << reset_position << screen.ToString() << std::flush;
std::cout << reset_position;
screen.Print();
reset_position = screen.ResetPosition();
std::this_thread::sleep_for(0.01s);

4
examples/dom/graph.cpp
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@@ -60,8 +60,8 @@ int main(int argc, const char* argv[]) {
auto screen = Screen::Create(Dimension::Full(), Dimension::Fit(document));
Render(screen, document);
std::cout << reset_position << screen.ToString() << std::flush;
std::cout << reset_position;
screen.Print();
reset_position = screen.ResetPosition();
std::this_thread::sleep_for(0.03s);

2
examples/dom/hflow.cpp
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@@ -39,7 +39,7 @@ int main(int argc, const char* argv[]) {
auto screen = Screen::Create(Dimension::Full(), Dimension::Fit(document));
Render(screen, document);
std::cout << screen.ToString() << std::endl;
screen.Print();
return 0;
}

4
examples/dom/html_like.cpp
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@@ -41,8 +41,8 @@ int main(int argc, const char* argv[]) {
auto screen = Screen::Create(Dimension::Full());
Render(screen, document);
std::cout << reset_position << screen.ToString() << std::flush;
std::cout << reset_position;
screen.Print();
reset_position = screen.ResetPosition();
std::this_thread::sleep_for(0.01s);

3
examples/dom/package_manager.cpp
View File

@@ -123,7 +123,8 @@ int main(int argc, const char* argv[]) {
auto document = render();
auto screen = Screen::Create(Dimension::Full(), Dimension::Fit(document));
Render(screen, document);
std::cout << reset_position << screen.ToString() << std::flush;
std::cout << reset_position;
screen.Print();
reset_position = screen.ResetPosition();
// Simulate time.

2
examples/dom/paragraph.cpp
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@@ -25,7 +25,7 @@ int main(int argc, const char* argv[]) {
auto screen = Screen::Create(Dimension::Full(), Dimension::Full());
Render(screen, document);
std::cout << screen.ToString();
screen.Print();
getchar();
return 0;

3
examples/dom/separator.cpp
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@@ -18,8 +18,7 @@ int main(int argc, const char* argv[]) {
border;
auto screen = Screen::Create(Dimension::Full(), Dimension::Fit(document));
Render(screen, document);
std::cout << screen.ToString() << std::endl;
screen.Print();
return 0;
}

2
examples/dom/size.cpp
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@@ -18,7 +18,7 @@ int main(int argc, const char* argv[]) {
auto document = hbox(std::move(content));
auto screen = Screen::Create(Dimension::Fit(document));
Render(screen, document);
std::cout << screen.ToString() << std::endl;
screen.Print();
return 0;
}

3
examples/dom/spinner.cpp
View File

@@ -28,7 +28,8 @@ int main(int argc, const char* argv[]) {
});
auto screen = Screen::Create(Dimension::Full(), Dimension::Fit(document));
Render(screen, document);
std::cout << reset_position << screen.ToString() << std::flush;
std::cout << reset_position;
screen.Print();
reset_position = screen.ResetPosition();
std::this_thread::sleep_for(0.1s);

3
examples/dom/style_blink.cpp
View File

@@ -12,8 +12,7 @@ int main(int argc, const char* argv[]) {
});
auto screen = Screen::Create(Dimension::Full(), Dimension::Fit(document));
Render(screen, document);
std::cout << screen.ToString();
screen.Print();
return 0;
}

3
examples/dom/style_bold.cpp
View File

@@ -12,8 +12,7 @@ int main(int argc, const char* argv[]) {
});
auto screen = Screen::Create(Dimension::Full(), Dimension::Fit(document));
Render(screen, document);
std::cout << screen.ToString();
screen.Print();
return 0;
}

3
examples/dom/style_color.cpp
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@@ -51,8 +51,7 @@ int main(int argc, const char* argv[]) {
auto screen = Screen::Create(Dimension::Full(), Dimension::Fit(document));
Render(screen, document);
std::cout << screen.ToString();
screen.Print();
return 0;
}

3
examples/dom/style_dim.cpp
View File

@@ -12,8 +12,7 @@ int main(int argc, const char* argv[]) {
});
auto screen = Screen::Create(Dimension::Full(), Dimension::Fit(document));
Render(screen, document);
std::cout << screen.ToString();
screen.Print();
return 0;
}

3
examples/dom/style_gallery.cpp
View File

@@ -19,8 +19,7 @@ int main(int argc, const char* argv[]) {
// clang-format on
auto screen = Screen::Create(Dimension::Full(), Dimension::Fit(document));
Render(screen, document);
std::cout << screen.ToString();
screen.Print();
return 0;
}

3
examples/dom/style_inverted.cpp
View File

@@ -11,8 +11,7 @@ int main(int argc, const char* argv[]) {
});
auto screen = Screen::Create(Dimension::Full(), Dimension::Fit(document));
Render(screen, document);
std::cout << screen.ToString();
screen.Print();
return 0;
}

3
examples/dom/style_underlined.cpp
View File

@@ -12,8 +12,7 @@ int main(int argc, const char* argv[]) {
});
auto screen = Screen::Create(Dimension::Full(), Dimension::Fit(document));
Render(screen, document);
std::cout << screen.ToString();
screen.Print();
return 0;
}

3
examples/dom/vbox_hbox.cpp
View File

@@ -26,8 +26,7 @@ int main(int argc, const char* argv[]) {
});
auto screen = Screen::Create(Dimension::Full());
Render(screen, document);
std::cout << screen.ToString();
screen.Print();
getchar();
return 0;

2
examples/dom/window.cpp
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@@ -16,7 +16,7 @@ int main(void) {
auto screen = Screen::Create(Dimension::Fixed(80), Dimension::Fixed(10));
Render(screen, document);
std::cout << screen.ToString() << '\n';
screen.Print();
}
// Copyright 2020 Arthur Sonzogni. All rights reserved.

164
examples/index.html Normal file
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@@ -0,0 +1,164 @@
<!DOCTYPE html> <html lang="en">
<head>
<meta charset="utf-8">
<title>FTXUI examples WebAssembly</title>
<script src="https://cdn.jsdelivr.net/npm/xterm@4.11.0/lib/xterm.min.js"></script>
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/xterm@4.11.0/css/xterm.css"></link>
</head>
<body>
<script id="example_script"></script>
<div class="page">
<h1>FTXUI WebAssembly Example </h1>
<p>
<a href="https://github.com/ArthurSonzogni/FTXUI">FTXUI</a> is a single
C++ library for terminal user interface.
</p>
<p>
On this page, you can try all the examples contained in: <a
href="https://github.com/ArthurSonzogni/FTXUI/tree/master/examples">./example/</a>
Those are compiled using WebAssembly.
</p>
<select id="selectExample"></select>
<div id="terminal"></div>
</div>
</body>
<script>
let example_list = [
"./component/button.js",
"./component/checkbox.js",
"./component/checkbox_in_frame.js",
"./component/gallery.js",
"./component/homescreen.js",
"./component/input.js",
"./component/menu.js",
"./component/menu2.js",
"./component/menu_style.js",
"./component/radiobox.js",
"./component/radiobox_in_frame.js",
"./component/tab_horizontal.js",
"./component/tab_vertical.js",
"./component/toggle.js",
"./component/modal_dialog.js",
"./dom/border.js",
"./dom/color_gallery.js",
"./dom/dbox.js",
"./dom/gauge.js",
"./dom/graph.js",
"./dom/hflow.js",
"./dom/html_like.js",
"./dom/package_manager.js",
"./dom/paragraph.js",
"./dom/separator.js",
"./dom/size.js",
"./dom/spinner.js",
"./dom/style_blink.js",
"./dom/style_bold.js",
"./dom/style_color.js",
"./dom/color_truecolor_RGB.js",
"./dom/color_truecolor_HSV.js",
"./dom/color_info_palette256.js",
"./dom/style_dim.js",
"./dom/style_gallery.js",
"./dom/style_inverted.js",
"./dom/style_underlined.js",
"./dom/vbox_hbox.js",
"./dom/window.js",
"./util/print_key_press.js",
];
const url_search_params = new URLSearchParams(window.location.search);
const example_index = url_search_params.get("id") || 16;
const example = example_list[example_index];
var select = document.getElementById("selectExample");
for(var i = 0; i < example_list.length; i++) {
var opt = example_list[i];
var el = document.createElement("option");
el.textContent = opt;
el.value = opt;
select.appendChild(el);
}
select.selectedIndex = example_index;
select.addEventListener("change", () => {
location.href = (location.href).split('?')[0] + "?id=" + select.selectedIndex;
});
let stdin_buffer = [];
let stdin = () => {
return stdin_buffer.shift() || 0;
}
stdout_buffer = [];
let stdout = code => {
if (code == 0) {
term.write(new Uint8Array(stdout_buffer));
stdout_buffer = [];
} else {
stdout_buffer.push(code)
}
}
let stderr = code => console.log(code);
var term = new Terminal();
term.open(document.querySelector('#terminal'));
term.resize(140,43);
const onBinary = e => {
for(c of e)
stdin_buffer.push(c.charCodeAt(0));
}
term.onBinary(onBinary);
term.onData(onBinary)
window.Module = {
preRun: () => { FS.init(stdin, stdout, stderr); },
postRun: [],
onRuntimeInitialized: () => {},
};
document.querySelector("#example_script").src = example
</script>
<style>
body {
background-color:#EEE;
padding:20px;
font-family: Helvetica, sans-serif;
font-size: 130%;
}
.page {
max-width:1300px;
margin: auto;
}
h1 {
text-decoration: underline;
}
select {
display:block;
padding: .6em 1.4em .5em .8em;
border-radius: 20px 20px 0px 0px;
font-size: 16px;
font-family: sans-serif;
font-weight: 700;
color: #444;
line-height: 1.3;
background-color:black;
border:0px;
color:white;
transition: color 0.2s linear;
transition: background-color 0.2s linear;
}
#terminal {
padding:10px;
border:none;
background-color:black;
padding:auto;
}
</style>
</html>

6
examples/run_webassembly.sh Executable file
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@@ -0,0 +1,6 @@
#! /bin/bash
python3 -m http.server 8888 &
P1=$!
trap 'kill 0' SIGINT; P1
python3 -m webbrowser http://localhost:8888
wait $P1