updated vendor for gocui #31
winhung
5 years ago
parent
07bfb9255e
commit
19dac181cf
@ -0,0 +1,61 @@
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// +build !windows
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package gocui
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import (
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"os"
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"os/signal"
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"syscall"
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"unsafe"
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"github.com/go-errors/errors"
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)
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type windowSize struct {
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rows uint16
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cols uint16
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xpixels uint16
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ypixels uint16
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}
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// getTermWindowSize is get terminal window size on linux or unix.
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// When gocui run inside the docker contaienr need to check and get the window size.
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func (g *Gui) getTermWindowSize() (int, int, error) {
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out, err := os.OpenFile("/dev/tty", os.O_RDWR, 0)
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if err != nil {
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return 0, 0, err
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}
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defer out.Close()
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signalCh := make(chan os.Signal, 1)
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signal.Notify(signalCh, syscall.SIGWINCH, syscall.SIGINT)
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defer signal.Stop(signalCh)
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var sz windowSize
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for {
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_, _, err = syscall.Syscall(
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syscall.SYS_IOCTL,
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out.Fd(),
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uintptr(syscall.TIOCGWINSZ),
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uintptr(unsafe.Pointer(&sz)),
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)
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// check terminal window size
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if sz.cols > 0 && sz.rows > 0 {
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return int(sz.cols), int(sz.rows), nil
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}
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select {
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case signal := <-signalCh:
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switch signal {
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// when the terminal window size is changed
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case syscall.SIGWINCH:
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continue
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// ctrl + c to cancel
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case syscall.SIGINT:
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return 0, 0, errors.New("There was not enough window space to start the application")
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}
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}
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}
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}
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@ -0,0 +1,10 @@
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// +build windows
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package gocui
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import "github.com/jesseduffield/termbox-go"
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func (g *Gui) getTermWindowSize() (int, int, error) {
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x, y := termbox.Size()
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return x, y, nil
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}
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