87 lines
1.9 KiB
Go
87 lines
1.9 KiB
Go
// +build windows
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package term
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import (
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"syscall"
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"unsafe"
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)
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const (
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// Consts for Get/SetConsoleMode function
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// see http://msdn.microsoft.com/en-us/library/windows/desktop/ms683167(v=vs.85).aspx
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ENABLE_ECHO_INPUT = 0x0004
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ENABLE_INSERT_MODE = 0x0020
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ENABLE_LINE_INPUT = 0x0002
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ENABLE_MOUSE_INPUT = 0x0010
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ENABLE_PROCESSED_INPUT = 0x0001
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ENABLE_QUICK_EDIT_MODE = 0x0040
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ENABLE_WINDOW_INPUT = 0x0008
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// If parameter is a screen buffer handle, additional values
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ENABLE_PROCESSED_OUTPUT = 0x0001
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ENABLE_WRAP_AT_EOL_OUTPUT = 0x0002
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)
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var kernel32DLL = syscall.NewLazyDLL("kernel32.dll")
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var (
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setConsoleModeProc = kernel32DLL.NewProc("SetConsoleMode")
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getConsoleScreenBufferInfoProc = kernel32DLL.NewProc("GetConsoleScreenBufferInfo")
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)
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func GetConsoleMode(fileDesc uintptr) (uint32, error) {
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var mode uint32
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err := syscall.GetConsoleMode(syscall.Handle(fileDesc), &mode)
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return mode, err
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}
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func SetConsoleMode(fileDesc uintptr, mode uint32) error {
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r, _, err := setConsoleModeProc.Call(fileDesc, uintptr(mode), 0)
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if r == 0 {
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if err != nil {
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return err
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}
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return syscall.EINVAL
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}
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return nil
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}
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// types for calling GetConsoleScreenBufferInfo
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// see http://msdn.microsoft.com/en-us/library/windows/desktop/ms682093(v=vs.85).aspx
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type (
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SHORT int16
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SMALL_RECT struct {
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Left SHORT
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Top SHORT
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Right SHORT
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Bottom SHORT
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}
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COORD struct {
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X SHORT
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Y SHORT
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}
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WORD uint16
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CONSOLE_SCREEN_BUFFER_INFO struct {
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dwSize COORD
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dwCursorPosition COORD
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wAttributes WORD
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srWindow SMALL_RECT
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dwMaximumWindowSize COORD
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}
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)
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func GetConsoleScreenBufferInfo(fileDesc uintptr) (*CONSOLE_SCREEN_BUFFER_INFO, error) {
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var info CONSOLE_SCREEN_BUFFER_INFO
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r, _, err := getConsoleScreenBufferInfoProc.Call(uintptr(fileDesc), uintptr(unsafe.Pointer(&info)), 0)
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if r == 0 {
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if err != nil {
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return nil, err
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}
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return nil, syscall.EINVAL
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}
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return &info, nil
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}
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