github.com/markusbkk/elvish@v0.0.0-20231204143114-91dc52438621/pkg/cli/term/setup_windows.go (about)

     1  package term
     2  
     3  import (
     4  	"os"
     5  
     6  	"golang.org/x/sys/windows"
     7  	"github.com/markusbkk/elvish/pkg/diag"
     8  )
     9  
    10  const (
    11  	wantedInMode = windows.ENABLE_WINDOW_INPUT |
    12  		windows.ENABLE_MOUSE_INPUT | windows.ENABLE_PROCESSED_INPUT
    13  	wantedOutMode = windows.ENABLE_PROCESSED_OUTPUT |
    14  		windows.ENABLE_WRAP_AT_EOL_OUTPUT |
    15  		windows.ENABLE_VIRTUAL_TERMINAL_PROCESSING
    16  	wantedGlobalOutMode = windows.ENABLE_PROCESSED_OUTPUT |
    17  		windows.ENABLE_WRAP_AT_EOL_OUTPUT |
    18  		windows.ENABLE_VIRTUAL_TERMINAL_PROCESSING
    19  )
    20  
    21  func setup(in, out *os.File) (func() error, error) {
    22  	hIn := windows.Handle(in.Fd())
    23  	hOut := windows.Handle(out.Fd())
    24  
    25  	var oldInMode, oldOutMode uint32
    26  	err := windows.GetConsoleMode(hIn, &oldInMode)
    27  	if err != nil {
    28  		return nil, err
    29  	}
    30  	err = windows.GetConsoleMode(hOut, &oldOutMode)
    31  	if err != nil {
    32  		return nil, err
    33  	}
    34  
    35  	errSetIn := windows.SetConsoleMode(hIn, wantedInMode)
    36  	errSetOut := windows.SetConsoleMode(hOut, wantedOutMode)
    37  	errVT := setupVT(out)
    38  
    39  	return func() error {
    40  		return diag.Errors(
    41  			restoreVT(out),
    42  			windows.SetConsoleMode(hOut, oldOutMode),
    43  			windows.SetConsoleMode(hIn, oldInMode))
    44  	}, diag.Errors(errSetIn, errSetOut, errVT)
    45  }
    46  
    47  func setupGlobal() func() {
    48  	hOut := windows.Handle(os.Stderr.Fd())
    49  	var oldOutMode uint32
    50  	err := windows.GetConsoleMode(hOut, &oldOutMode)
    51  	if err != nil {
    52  		return func() {}
    53  	}
    54  	err = windows.SetConsoleMode(hOut, wantedGlobalOutMode)
    55  	if err != nil {
    56  		return func() {}
    57  	}
    58  	return func() { windows.SetConsoleMode(hOut, oldOutMode) }
    59  }
    60  
    61  func sanitize(in, out *os.File) {}