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Win32: Switch codepage to UTF8 in Screen constructor

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Co-authored-by: Mikael Olenfalk <mikael@olenfalk.se>
Co-authored-by: ArthurSonzogni <sonzogniarthur@gmail.com>
This commit is contained in:
Mikael Olenfalk
2020-03-22 11:29:33 +01:00
committed by ArthurSonzogni
parent b6d1f8ebdb
commit f927d3d712
2 changed files with 44 additions and 31 deletions
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57
src/ftxui/component/screen_interactive.cpp
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@@ -101,44 +101,41 @@ void ScreenInteractive::EventLoop(Component* component) {
void ScreenInteractive::Loop(Component* component) {
// Install a SIGINT handler and restore the old handler on exit.
install_signal_handler(SIGINT, OnExit);
// Handle resize.
install_signal_handler(SIGWINCH, OnResize);
// Save the old terminal configuration and restore it on exit.
#ifdef WIN32
// some special utf8 dance needed.
SetConsoleOutputCP(CP_UTF8);
setvbuf(stdout, nullptr, _IONBF, 0);
// Enable VT processing on stdout and stdin
auto stdout_handle = GetStdHandle(STD_OUTPUT_HANDLE);
auto stdin_handle = GetStdHandle(STD_INPUT_HANDLE);
DWORD original_mode = 0;
GetConsoleMode(GetStdHandle(STD_OUTPUT_HANDLE), &original_mode);
on_exit_functions.push([original_mode]() {
SetConsoleMode(GetStdHandle(STD_OUTPUT_HANDLE), original_mode);
});
DWORD out_mode = 0;
DWORD in_mode = 0;
GetConsoleMode(stdout_handle, &out_mode);
GetConsoleMode(stdin_handle, &in_mode);
on_exit_functions.push([=] { SetConsoleMode(stdout_handle, out_mode); });
on_exit_functions.push([=] { SetConsoleMode(stdin_handle, in_mode); });
DWORD mode = original_mode;
// disable echo
mode &= ~ENABLE_ECHO_INPUT;
mode |= ENABLE_VIRTUAL_TERMINAL_INPUT;
mode |= ENABLE_VIRTUAL_TERMINAL_PROCESSING;
SetConsoleMode(GetStdHandle(STD_OUTPUT_HANDLE), mode);
out_mode |= ENABLE_VIRTUAL_TERMINAL_PROCESSING;
out_mode |= DISABLE_NEWLINE_AUTO_RETURN;
in_mode &= ~ENABLE_ECHO_INPUT;
in_mode &= ~ENABLE_LINE_INPUT;
in_mode |= ENABLE_VIRTUAL_TERMINAL_INPUT;
in_mode |= ENABLE_WINDOW_INPUT;
SetConsoleMode(stdin_handle, in_mode);
SetConsoleMode(stdout_handle, out_mode);
#else
struct termios terminal_configuration_old;
tcgetattr(STDIN_FILENO, &terminal_configuration_old);
on_exit_functions.push(
[terminal_configuration_old = terminal_configuration_old]() {
tcsetattr(STDIN_FILENO, TCSANOW, &terminal_configuration_old);
});
// Handle resize.
install_signal_handler(SIGWINCH, OnResize);
// Set the new terminal configuration
struct termios terminal_configuration_new;
terminal_configuration_new = terminal_configuration_old;
struct termios terminal;
tcgetattr(STDIN_FILENO, &terminal);
on_exit_functions.push([=] { tcsetattr(STDIN_FILENO, TCSANOW, &terminal); });
// Non canonique terminal.
terminal_configuration_new.c_lflag &= ~ICANON;
// Do not print after a key press.
terminal_configuration_new.c_lflag &= ~ECHO;
tcsetattr(STDIN_FILENO, TCSANOW, &terminal_configuration_new);
terminal.c_lflag &= ~ICANON; // Non canonique terminal.
terminal.c_lflag &= ~ECHO; // Do not print after a key press.
tcsetattr(STDIN_FILENO, TCSANOW, &terminal);
#endif
// Hide the cursor and show it at exit.