mirror of
https://github.com/beego/bee.git
synced 2024-11-23 17:00:56 +00:00
77 lines
2.3 KiB
Go
77 lines
2.3 KiB
Go
|
package liner
|
||
|
|
|
||
|
|
import (
|
||
|
|
"unsafe"
|
||
|
|
)
|
||
|
|
|
||
|
|
type coord struct {
|
||
|
|
x, y int16
|
||
|
|
}
|
||
|
|
type smallRect struct {
|
||
|
|
left, top, right, bottom int16
|
||
|
|
}
|
||
|
|
|
||
|
|
type consoleScreenBufferInfo struct {
|
||
|
|
dwSize coord
|
||
|
|
dwCursorPosition coord
|
||
|
|
wAttributes int16
|
||
|
|
srWindow smallRect
|
||
|
|
dwMaximumWindowSize coord
|
||
|
|
}
|
||
|
|
|
||
|
|
func (s *State) cursorPos(x int) {
|
||
|
|
var sbi consoleScreenBufferInfo
|
||
|
|
procGetConsoleScreenBufferInfo.Call(uintptr(s.hOut), uintptr(unsafe.Pointer(&sbi)))
|
||
|
|
procSetConsoleCursorPosition.Call(uintptr(s.hOut),
|
||
|
|
uintptr(int(x)&0xFFFF|int(sbi.dwCursorPosition.y)<<16))
|
||
|
|
}
|
||
|
|
|
||
|
|
func (s *State) eraseLine() {
|
||
|
|
var sbi consoleScreenBufferInfo
|
||
|
|
procGetConsoleScreenBufferInfo.Call(uintptr(s.hOut), uintptr(unsafe.Pointer(&sbi)))
|
||
|
|
var numWritten uint32
|
||
|
|
procFillConsoleOutputCharacter.Call(uintptr(s.hOut), uintptr(' '),
|
||
|
|
uintptr(sbi.dwSize.x-sbi.dwCursorPosition.x),
|
||
|
|
uintptr(int(sbi.dwCursorPosition.x)&0xFFFF|int(sbi.dwCursorPosition.y)<<16),
|
||
|
|
uintptr(unsafe.Pointer(&numWritten)))
|
||
|
|
}
|
||
|
|
|
||
|
|
func (s *State) eraseScreen() {
|
||
|
|
var sbi consoleScreenBufferInfo
|
||
|
|
procGetConsoleScreenBufferInfo.Call(uintptr(s.hOut), uintptr(unsafe.Pointer(&sbi)))
|
||
|
|
var numWritten uint32
|
||
|
|
procFillConsoleOutputCharacter.Call(uintptr(s.hOut), uintptr(' '),
|
||
|
|
uintptr(sbi.dwSize.x)*uintptr(sbi.dwSize.y),
|
||
|
|
0,
|
||
|
|
uintptr(unsafe.Pointer(&numWritten)))
|
||
|
|
procSetConsoleCursorPosition.Call(uintptr(s.hOut), 0)
|
||
|
|
}
|
||
|
|
|
||
|
|
func (s *State) moveUp(lines int) {
|
||
|
|
var sbi consoleScreenBufferInfo
|
||
|
|
procGetConsoleScreenBufferInfo.Call(uintptr(s.hOut), uintptr(unsafe.Pointer(&sbi)))
|
||
|
|
procSetConsoleCursorPosition.Call(uintptr(s.hOut),
|
||
|
|
uintptr(int(sbi.dwCursorPosition.x)&0xFFFF|(int(sbi.dwCursorPosition.y)-lines)<<16))
|
||
|
|
}
|
||
|
|
|
||
|
|
func (s *State) moveDown(lines int) {
|
||
|
|
var sbi consoleScreenBufferInfo
|
||
|
|
procGetConsoleScreenBufferInfo.Call(uintptr(s.hOut), uintptr(unsafe.Pointer(&sbi)))
|
||
|
|
procSetConsoleCursorPosition.Call(uintptr(s.hOut),
|
||
|
|
uintptr(int(sbi.dwCursorPosition.x)&0xFFFF|(int(sbi.dwCursorPosition.y)+lines)<<16))
|
||
|
|
}
|
||
|
|
|
||
|
|
func (s *State) emitNewLine() {
|
||
|
|
// windows doesn't need to omit a new line
|
||
|
|
}
|
||
|
|
|
||
|
|
func (s *State) getColumns() {
|
||
|
|
var sbi consoleScreenBufferInfo
|
||
|
|
procGetConsoleScreenBufferInfo.Call(uintptr(s.hOut), uintptr(unsafe.Pointer(&sbi)))
|
||
|
|
s.columns = int(sbi.dwSize.x)
|
||
|
|
if s.columns > 1 {
|
||
|
|
// Windows 10 needs a spare column for the cursor
|
||
|
|
s.columns--
|
||
|
|
}
|
||
|
|
}
|