src.elv.sh@v0.21.0-dev.0.20240515223629-06979efb9a2a/pkg/sys/winsize_windows.go (about)

     1  package sys
     2  
     3  import (
     4  	"os"
     5  	"syscall"
     6  
     7  	"golang.org/x/sys/windows"
     8  )
     9  
    10  // Windows doesn't have SIGCH, so use an impossible value.
    11  const sigWINCH = syscall.Signal(-1)
    12  
    13  func winSize(file *os.File) (row, col int) {
    14  	var info windows.ConsoleScreenBufferInfo
    15  	err := windows.GetConsoleScreenBufferInfo(windows.Handle(file.Fd()), &info)
    16  	if err != nil {
    17  		return -1, -1
    18  	}
    19  	window := info.Window
    20  	return int(window.Bottom - window.Top), int(window.Right - window.Left)
    21  }