Idris2/support/c/idris_term.c
2020-08-19 11:30:12 +02:00

50 lines
1.1 KiB
C

#ifdef _WIN32
#include <windows.h>
#ifndef ENABLE_VIRTUAL_TERMINAL_PROCESSING
#define ENABLE_VIRTUAL_TERMINAL_PROCESSING 0x0004
#endif
void idris2_setupTerm() {
HANDLE stdout_handle = GetStdHandle(STD_OUTPUT_HANDLE);
DWORD outmode = 0;
GetConsoleMode(stdout_handle, &outmode);
outmode |= ENABLE_VIRTUAL_TERMINAL_PROCESSING;
SetConsoleMode(stdout_handle, outmode);
}
int idris2_getTermCols() {
CONSOLE_SCREEN_BUFFER_INFO csbi;
GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &csbi);
return (int) csbi.srWindow.Right - csbi.srWindow.Left + 1;
}
int idris2_getTermLines() {
CONSOLE_SCREEN_BUFFER_INFO csbi;
GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &csbi);
return (int) csbi.srWindow.Bottom - csbi.srWindow.Top + 1;
}
#else
#include <sys/ioctl.h>
void idris2_setupTerm() {
// NOTE: Currently not needed for non windows systems
}
int idris2_getTermCols() {
struct winsize ts;
ioctl(0, TIOCGWINSZ, &ts);
return (int) ts.ws_col;
}
int idris2_getTermLines() {
struct winsize ts;
ioctl(0, TIOCGWINSZ, &ts);
return (int) ts.ws_row;
}
#endif