Linux 为打印控制字符实现
Windows 为WINAPI控制台接口实现
功能:
移动到上一行
移动到下一行
定位控制台光标位置到指定X,Y坐标
cpp
static bool MoveConsoleCursorPositionToPreviousNextLine(bool previous, int line) noexcept {
if (line < 0) {
return false;
}
if (line == 0) {
return true;
}
#ifdef _WIN32
CONSOLE_SCREEN_BUFFER_INFO csbi;
HANDLE hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
if (NULL == hConsole) {
return false;
}
if (!GetConsoleScreenBufferInfo(hConsole, &csbi)) {
return false;
}
COORD pos{};
pos.X = csbi.dwCursorPosition.X;
pos.Y = previous ? csbi.dwCursorPosition.Y - 1 : csbi.dwCursorPosition.Y + 1;
return SetConsoleCursorPosition(hConsole, pos);
#else
return ::fprintf(stdout, previous ? "\033[%dA" : "\033[%dB", line) > 0;
#endif
}
bool MoveConsoleCursorPositionToPreviousLine(int line) noexcept {
return MoveConsoleCursorPositionToPreviousNextLine(true, line);
}
bool MoveConsoleCursorPositionToNextLine(int line) noexcept {
return MoveConsoleCursorPositionToPreviousNextLine(false, line);
}
bool SetConsoleCursorPosition(int x, int y) noexcept {
#ifdef _WIN32
HANDLE hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
if (NULL == hConsole) {
return false;
}
COORD coord = { (SHORT)x, (SHORT)y };
return ::SetConsoleCursorPosition(hConsole, coord);
#else
return ::fprintf(stdout, "\033[%d;%dH", x, y) > 0;
#endif
}