diff options
Diffstat (limited to 'vendor/maunium.net/go/tcell/tscreen_posix.go')
| -rw-r--r-- | vendor/maunium.net/go/tcell/tscreen_posix.go | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/vendor/maunium.net/go/tcell/tscreen_posix.go b/vendor/maunium.net/go/tcell/tscreen_posix.go new file mode 100644 index 0000000..ff93f00 --- /dev/null +++ b/vendor/maunium.net/go/tcell/tscreen_posix.go @@ -0,0 +1,206 @@ +// +build solaris + +// Copyright 2017 The TCell Authors +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use file except in compliance with the License. +// You may obtain a copy of the license at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package tcell + +import ( + "os" + "os/signal" + "syscall" +) + +// #include <termios.h> +// #include <sys/ioctl.h> +// +// int getwinsize(int fd, int *cols, int *rows) { +// #if defined TIOCGWINSZ +// struct winsize w; +// if (ioctl(fd, TIOCGWINSZ, &w) < 0) { +// return (-1); +// } +// *cols = w.ws_col; +// *rows = w.ws_row; +// return (0); +// #else +// return (-1); +// #endif +// } +// +// int getbaud(struct termios *tios) { +// switch (cfgetospeed(tios)) { +// #ifdef B0 +// case B0: return (0); +// #endif +// #ifdef B50 +// case B50: return (50); +// #endif +// #ifdef B75 +// case B75: return (75); +// #endif +// #ifdef B110 +// case B110: return (110); +// #endif +// #ifdef B134 +// case B134: return (134); +// #endif +// #ifdef B150 +// case B150: return (150); +// #endif +// #ifdef B200 +// case B200: return (200); +// #endif +// #ifdef B300 +// case B300: return (300); +// #endif +// #ifdef B600 +// case B600: return (600); +// #endif +// #ifdef B1200 +// case B1200: return (1200); +// #endif +// #ifdef B1800 +// case B1800: return (1800); +// #endif +// #ifdef B2400 +// case B2400: return (2400); +// #endif +// #ifdef B4800 +// case B4800: return (4800); +// #endif +// #ifdef B9600 +// case B9600: return (9600); +// #endif +// #ifdef B19200 +// case B19200: return (19200); +// #endif +// #ifdef B38400 +// case B38400: return (38400); +// #endif +// #ifdef B57600 +// case B57600: return (57600); +// #endif +// #ifdef B76800 +// case B76800: return (76800); +// #endif +// #ifdef B115200 +// case B115200: return (115200); +// #endif +// #ifdef B153600 +// case B153600: return (153600); +// #endif +// #ifdef B230400 +// case B230400: return (230400); +// #endif +// #ifdef B307200 +// case B307200: return (307200); +// #endif +// #ifdef B460800 +// case B460800: return (460800); +// #endif +// #ifdef B921600 +// case B921600: return (921600); +// #endif +// } +// return (0); +// } +import "C" + +type termiosPrivate struct { + tios C.struct_termios +} + +func (t *tScreen) termioInit() error { + var e error + var rv C.int + var newtios C.struct_termios + var fd C.int + + if t.in, e = os.OpenFile("/dev/tty", os.O_RDONLY, 0); e != nil { + goto failed + } + if t.out, e = os.OpenFile("/dev/tty", os.O_WRONLY, 0); e != nil { + goto failed + } + + t.tiosp = &termiosPrivate{} + + fd = C.int(t.out.(*os.File).Fd()) + if rv, e = C.tcgetattr(fd, &t.tiosp.tios); rv != 0 { + goto failed + } + t.baud = int(C.getbaud(&t.tiosp.tios)) + newtios = t.tiosp.tios + newtios.c_iflag &^= C.IGNBRK | C.BRKINT | C.PARMRK | + C.ISTRIP | C.INLCR | C.IGNCR | + C.ICRNL | C.IXON + newtios.c_oflag &^= C.OPOST + newtios.c_lflag &^= C.ECHO | C.ECHONL | C.ICANON | + C.ISIG | C.IEXTEN + newtios.c_cflag &^= C.CSIZE | C.PARENB + newtios.c_cflag |= C.CS8 + + // This is setup for blocking reads. In the past we attempted to + // use non-blocking reads, but now a separate input loop and timer + // copes with the problems we had on some systems (BSD/Darwin) + // where close hung forever. + newtios.Cc[syscall.VMIN] = 1 + newtios.Cc[syscall.VTIME] = 0 + + if rv, e = C.tcsetattr(fd, C.TCSANOW|C.TCSAFLUSH, &newtios); rv != 0 { + goto failed + } + + signal.Notify(t.sigwinch, syscall.SIGWINCH) + + if w, h, e := t.getWinSize(); e == nil && w != 0 && h != 0 { + t.cells.Resize(w, h) + } + + return nil + +failed: + if t.in != nil { + t.in.Close() + } + if t.out != nil { + t.out.(*os.File).Close() + } + return e +} + +func (t *tScreen) termioFini() { + + signal.Stop(t.sigwinch) + + <-t.indoneq + + if t.out != nil { + fd := C.int(t.out.(*os.File).Fd()) + C.tcsetattr(fd, C.TCSANOW|C.TCSAFLUSH, &t.tiosp.tios) + t.out.(*os.File).Close() + } + if t.in != nil { + t.in.Close() + } +} + +func (t *tScreen) getWinSize() (int, int, error) { + var cx, cy C.int + if r, e := C.getwinsize(C.int(t.out.(*os.File).Fd()), &cx, &cy); r != 0 { + return 0, 0, e + } + return int(cx), int(cy), nil +} |