gitea/vendor/github.com/jessevdk/go-flags/termsize_windows.go
6543 792b4dba2c
[Vendor] Update directly used dependencys (#15593)
* update github.com/blevesearch/bleve v2.0.2 -> v2.0.3

* github.com/denisenkom/go-mssqldb v0.9.0 -> v0.10.0

* github.com/editorconfig/editorconfig-core-go v2.4.1 -> v2.4.2

* github.com/go-chi/cors v1.1.1 -> v1.2.0

* github.com/go-git/go-billy v5.0.0 -> v5.1.0

* github.com/go-git/go-git v5.2.0 -> v5.3.0

* github.com/go-ldap/ldap v3.2.4 -> v3.3.0

* github.com/go-redis/redis v8.6.0 -> v8.8.2

* github.com/go-sql-driver/mysql v1.5.0 -> v1.6.0

* github.com/go-swagger/go-swagger v0.26.1 -> v0.27.0

* github.com/lib/pq v1.9.0 -> v1.10.1

* github.com/mattn/go-sqlite3 v1.14.6 -> v1.14.7

* github.com/go-testfixtures/testfixtures v3.5.0 -> v3.6.0

* github.com/issue9/identicon v1.0.1 -> v1.2.0

* github.com/klauspost/compress v1.11.8 -> v1.12.1

* github.com/mgechev/revive v1.0.3 -> v1.0.6

* github.com/microcosm-cc/bluemonday v1.0.7 -> v1.0.8

* github.com/niklasfasching/go-org v1.4.0 -> v1.5.0

* github.com/olivere/elastic v7.0.22 -> v7.0.24

* github.com/pelletier/go-toml v1.8.1 -> v1.9.0

* github.com/prometheus/client_golang v1.9.0 -> v1.10.0

* github.com/xanzy/go-gitlab v0.44.0 -> v0.48.0

* github.com/yuin/goldmark v1.3.3 -> v1.3.5

* github.com/6543/go-version v1.2.4 -> v1.3.1

* do github.com/lib/pq v1.10.0 -> v1.10.1 again ...
2021-04-22 20:08:53 -04:00

86 lines
1.7 KiB
Go
Vendored

// +build windows
package flags
import (
"syscall"
"unsafe"
)
type (
SHORT int16
WORD uint16
SMALL_RECT struct {
Left SHORT
Top SHORT
Right SHORT
Bottom SHORT
}
COORD struct {
X SHORT
Y SHORT
}
CONSOLE_SCREEN_BUFFER_INFO struct {
Size COORD
CursorPosition COORD
Attributes WORD
Window SMALL_RECT
MaximumWindowSize COORD
}
)
var kernel32DLL = syscall.NewLazyDLL("kernel32.dll")
var getConsoleScreenBufferInfoProc = kernel32DLL.NewProc("GetConsoleScreenBufferInfo")
func getError(r1, r2 uintptr, lastErr error) error {
// If the function fails, the return value is zero.
if r1 == 0 {
if lastErr != nil {
return lastErr
}
return syscall.EINVAL
}
return nil
}
func getStdHandle(stdhandle int) (uintptr, error) {
handle, err := syscall.GetStdHandle(stdhandle)
if err != nil {
return 0, err
}
return uintptr(handle), nil
}
// GetConsoleScreenBufferInfo retrieves information about the specified console screen buffer.
// http://msdn.microsoft.com/en-us/library/windows/desktop/ms683171(v=vs.85).aspx
func GetConsoleScreenBufferInfo(handle uintptr) (*CONSOLE_SCREEN_BUFFER_INFO, error) {
var info CONSOLE_SCREEN_BUFFER_INFO
if err := getError(getConsoleScreenBufferInfoProc.Call(handle, uintptr(unsafe.Pointer(&info)), 0)); err != nil {
return nil, err
}
return &info, nil
}
func getTerminalColumns() int {
defaultWidth := 80
stdoutHandle, err := getStdHandle(syscall.STD_OUTPUT_HANDLE)
if err != nil {
return defaultWidth
}
info, err := GetConsoleScreenBufferInfo(stdoutHandle)
if err != nil {
return defaultWidth
}
if info.MaximumWindowSize.X > 0 {
return int(info.MaximumWindowSize.X)
}
return defaultWidth
}