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//go:build windows
// +build windows
package goterm
import (
"errors"
"math"
"os"
"golang.org/x/sys/windows"
)
func getWinsize() (*winsize, error) {
ws := new(winsize)
fd := os.Stdout.Fd()
var info windows.ConsoleScreenBufferInfo
if err := windows.GetConsoleScreenBufferInfo(windows.Handle(fd), &info); err != nil {
return nil, err
}
ws.Col = uint16(info.Window.Right - info.Window.Left + 1)
ws.Row = uint16(info.Window.Bottom - info.Window.Top + 1)
return ws, nil
}
// Height gets console height
func Height() int {
ws, err := getWinsize()
if err != nil {
// returns math.MinInt32 if we could not retrieve the height of console window,
// like VSCode debugging console
if errors.Is(err, windows.WSAEOPNOTSUPP) {
return math.MinInt32
}
return -1
}
return int(ws.Row)
}
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