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// Copyright 2014 The gocui Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build windows
// +build windows
package gocui
import (
"os"
"syscall"
"unsafe"
)
type (
wchar uint16
short int16
dword uint32
word uint16
)
type coord struct {
x short
y short
}
type smallRect struct {
left short
top short
right short
bottom short
}
type consoleScreenBufferInfo struct {
size coord
cursorPosition coord
attributes word
window smallRect
maximumWindowSize coord
}
var (
kernel32 = syscall.NewLazyDLL("kernel32.dll")
procGetConsoleScreenBufferInfo = kernel32.NewProc("GetConsoleScreenBufferInfo")
)
// getTermWindowSize is get terminal window size on windows.
func (g *Gui) getTermWindowSize() (int, int, error) {
var csbi consoleScreenBufferInfo
r1, _, err := procGetConsoleScreenBufferInfo.Call(os.Stdout.Fd(), uintptr(unsafe.Pointer(&csbi)))
if r1 == 0 {
return 0, 0, err
}
return int(csbi.window.right - csbi.window.left + 1), int(csbi.window.bottom - csbi.window.top + 1), nil
}
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