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https://github.com/ArthurSonzogni/FTXUI.git
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b4a655ec65
This function allow running a callback with the terminal hooks temporarily uninstalled. Co-authored-by: ArthurSonzogni <sonzogniarthur@gmail.com>
56 lines
1.8 KiB
C++
56 lines
1.8 KiB
C++
#include "ftxui/component/component.hpp" // for Menu
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#include "ftxui/component/screen_interactive.hpp" // for ScreenInteractive
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int main() {
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using namespace ftxui;
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auto screen = ScreenInteractive::Fullscreen();
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// When pressing this button, "screen.WithRestoredIO" will execute the
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// temporarily uninstall the terminal hook and execute the provided callback
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// function. This allow running the application in a non-interactive mode.
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auto btn_run = Button("Execute with restored IO", screen.WithRestoredIO([] {
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std::system("bash");
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std::cout << "This is a child program using stdin/stdout." << std::endl;
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for (int i = 0; i < 10; ++i) {
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std::cout << "Please enter 10 strings (" << i << "/10)" << std::flush;
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std::string input;
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std::getline(std::cin, input);
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}
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std::system("bash");
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}));
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auto btn_quit = Button("Quit", screen.ExitLoopClosure());
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auto layout = Container::Horizontal({
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btn_run,
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btn_quit,
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});
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auto renderer = Renderer(layout, [&] {
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auto explanation = paragraph(
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"After clicking this button, the ScreenInteractive will be "
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"suspended and access to stdin/stdout will temporarilly be "
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"restore for running a function.");
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auto element = vbox({
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explanation | borderEmpty,
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hbox({
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btn_run->Render(),
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filler(),
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btn_quit->Render(),
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}),
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});
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element = element | borderEmpty | border | size(WIDTH, LESS_THAN, 80) |
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size(HEIGHT, LESS_THAN, 20) | center;
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return element;
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});
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screen.Loop(renderer);
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return EXIT_SUCCESS;
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}
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// Copyright 2022 Arthur Sonzogni. All rights reserved.
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// Use of this source code is governed by the MIT license that can be found in
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// the LICENSE file.
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