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Use Console API to set and restore terminal mode on Windows

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Mikael Olenfalk 2020-03-21 16:21:32 +01:00 committed by ArthurSonzogni
parent f3cef48328
commit 40800ac019
1 changed files with 29 additions and 3 deletions
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32
src/ftxui/component/screen_interactive.cpp
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@ -1,8 +1,6 @@
#include "ftxui/component/screen_interactive.hpp" #include "ftxui/component/screen_interactive.hpp"
#include <stdio.h> #include <stdio.h>
#include <termios.h>
#include <unistd.h>
#include <algorithm> #include <algorithm>
#include <csignal> #include <csignal>
@ -14,8 +12,17 @@
#include "ftxui/screen/string.hpp" #include "ftxui/screen/string.hpp"
#include "ftxui/screen/terminal.hpp" #include "ftxui/screen/terminal.hpp"
#ifdef WIN32
#define WIN32_LEAN_AND_MEAN
#define NOMINMAX
#include <Windows.h>
#else
#include <termios.h>
#include <unistd.h>
#endif
// Quick exit is missing in standard CLang headers
#if defined(__clang__) && defined(__APPLE__) #if defined(__clang__) && defined(__APPLE__)
// Quick exit is missing in standard CLang headers
#define quick_exit(a) exit(a) #define quick_exit(a) exit(a)
#endif #endif
@ -98,6 +105,24 @@ void ScreenInteractive::Loop(Component* component) {
install_signal_handler(SIGWINCH, OnResize); install_signal_handler(SIGWINCH, OnResize);
// Save the old terminal configuration and restore it on exit. // 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);
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 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);
#else
struct termios terminal_configuration_old; struct termios terminal_configuration_old;
tcgetattr(STDIN_FILENO, &terminal_configuration_old); tcgetattr(STDIN_FILENO, &terminal_configuration_old);
on_exit_functions.push( on_exit_functions.push(
@ -114,6 +139,7 @@ void ScreenInteractive::Loop(Component* component) {
// Do not print after a key press. // Do not print after a key press.
terminal_configuration_new.c_lflag &= ~ECHO; terminal_configuration_new.c_lflag &= ~ECHO;
tcsetattr(STDIN_FILENO, TCSANOW, &terminal_configuration_new); tcsetattr(STDIN_FILENO, TCSANOW, &terminal_configuration_new);
#endif
// Hide the cursor and show it at exit. // Hide the cursor and show it at exit.
std::cout << HIDE_CURSOR; std::cout << HIDE_CURSOR;