From 0367399cf3368c6e05b9187ac8a9c994eaf2fc9c Mon Sep 17 00:00:00 2001 From: Jesse Duffield Date: Wed, 19 Sep 2018 19:54:58 +1000 Subject: bump deps to use forked termbox which doesn't crash as easily --- vendor/github.com/jesseduffield/termbox-go/AUTHORS | 4 + vendor/github.com/jesseduffield/termbox-go/LICENSE | 19 + vendor/github.com/jesseduffield/termbox-go/api.go | 498 +++++++++++ .../jesseduffield/termbox-go/api_common.go | 187 +++++ .../jesseduffield/termbox-go/api_windows.go | 239 ++++++ .../github.com/jesseduffield/termbox-go/escwait.go | 11 + .../jesseduffield/termbox-go/escwait_darwin.go | 9 + .../jesseduffield/termbox-go/syscalls.go | 39 + .../jesseduffield/termbox-go/syscalls_darwin.go | 41 + .../termbox-go/syscalls_darwin_amd64.go | 40 + .../jesseduffield/termbox-go/syscalls_dragonfly.go | 39 + .../jesseduffield/termbox-go/syscalls_freebsd.go | 39 + .../jesseduffield/termbox-go/syscalls_linux.go | 33 + .../jesseduffield/termbox-go/syscalls_netbsd.go | 39 + .../jesseduffield/termbox-go/syscalls_openbsd.go | 39 + .../jesseduffield/termbox-go/syscalls_windows.go | 61 ++ .../github.com/jesseduffield/termbox-go/termbox.go | 529 ++++++++++++ .../jesseduffield/termbox-go/termbox_common.go | 59 ++ .../jesseduffield/termbox-go/termbox_windows.go | 915 +++++++++++++++++++++ .../jesseduffield/termbox-go/terminfo.go | 232 ++++++ .../jesseduffield/termbox-go/terminfo_builtin.go | 64 ++ 21 files changed, 3136 insertions(+) create mode 100644 vendor/github.com/jesseduffield/termbox-go/AUTHORS create mode 100644 vendor/github.com/jesseduffield/termbox-go/LICENSE create mode 100644 vendor/github.com/jesseduffield/termbox-go/api.go create mode 100644 vendor/github.com/jesseduffield/termbox-go/api_common.go create mode 100644 vendor/github.com/jesseduffield/termbox-go/api_windows.go create mode 100644 vendor/github.com/jesseduffield/termbox-go/escwait.go create mode 100644 vendor/github.com/jesseduffield/termbox-go/escwait_darwin.go create mode 100644 vendor/github.com/jesseduffield/termbox-go/syscalls.go create mode 100644 vendor/github.com/jesseduffield/termbox-go/syscalls_darwin.go create mode 100644 vendor/github.com/jesseduffield/termbox-go/syscalls_darwin_amd64.go create mode 100644 vendor/github.com/jesseduffield/termbox-go/syscalls_dragonfly.go create mode 100644 vendor/github.com/jesseduffield/termbox-go/syscalls_freebsd.go create mode 100644 vendor/github.com/jesseduffield/termbox-go/syscalls_linux.go create mode 100644 vendor/github.com/jesseduffield/termbox-go/syscalls_netbsd.go create mode 100644 vendor/github.com/jesseduffield/termbox-go/syscalls_openbsd.go create mode 100644 vendor/github.com/jesseduffield/termbox-go/syscalls_windows.go create mode 100644 vendor/github.com/jesseduffield/termbox-go/termbox.go create mode 100644 vendor/github.com/jesseduffield/termbox-go/termbox_common.go create mode 100644 vendor/github.com/jesseduffield/termbox-go/termbox_windows.go create mode 100644 vendor/github.com/jesseduffield/termbox-go/terminfo.go create mode 100644 vendor/github.com/jesseduffield/termbox-go/terminfo_builtin.go (limited to 'vendor/github.com/jesseduffield/termbox-go') diff --git a/vendor/github.com/jesseduffield/termbox-go/AUTHORS b/vendor/github.com/jesseduffield/termbox-go/AUTHORS new file mode 100644 index 000000000..fe26fb0fb --- /dev/null +++ b/vendor/github.com/jesseduffield/termbox-go/AUTHORS @@ -0,0 +1,4 @@ +# Please keep this file sorted. + +Georg Reinke +nsf diff --git a/vendor/github.com/jesseduffield/termbox-go/LICENSE b/vendor/github.com/jesseduffield/termbox-go/LICENSE new file mode 100644 index 000000000..d9bc068ce --- /dev/null +++ b/vendor/github.com/jesseduffield/termbox-go/LICENSE @@ -0,0 +1,19 @@ +Copyright (C) 2012 termbox-go authors + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. diff --git a/vendor/github.com/jesseduffield/termbox-go/api.go b/vendor/github.com/jesseduffield/termbox-go/api.go new file mode 100644 index 000000000..4c828e482 --- /dev/null +++ b/vendor/github.com/jesseduffield/termbox-go/api.go @@ -0,0 +1,498 @@ +// +build !windows + +package termbox + +import "github.com/mattn/go-runewidth" +import "fmt" +import "os" +import "os/signal" +import "syscall" +import "runtime" +import "time" + +// public API + +// Initializes termbox library. This function should be called before any other functions. +// After successful initialization, the library must be finalized using 'Close' function. +// +// Example usage: +// err := termbox.Init() +// if err != nil { +// panic(err) +// } +// defer termbox.Close() +func Init() error { + var err error + + out, err = os.OpenFile("/dev/tty", syscall.O_WRONLY, 0) + if err != nil { + return err + } + in, err = syscall.Open("/dev/tty", syscall.O_RDONLY, 0) + if err != nil { + return err + } + + err = setup_term() + if err != nil { + return fmt.Errorf("termbox: error while reading terminfo data: %v", err) + } + + signal.Notify(sigwinch, syscall.SIGWINCH) + signal.Notify(sigio, syscall.SIGIO) + + _, err = fcntl(in, syscall.F_SETFL, syscall.O_ASYNC|syscall.O_NONBLOCK) + if err != nil { + return err + } + _, err = fcntl(in, syscall.F_SETOWN, syscall.Getpid()) + if runtime.GOOS != "darwin" && err != nil { + return err + } + err = tcgetattr(out.Fd(), &orig_tios) + if err != nil { + return err + } + + tios := orig_tios + tios.Iflag &^= syscall_IGNBRK | syscall_BRKINT | syscall_PARMRK | + syscall_ISTRIP | syscall_INLCR | syscall_IGNCR | + syscall_ICRNL | syscall_IXON + tios.Lflag &^= syscall_ECHO | syscall_ECHONL | syscall_ICANON | + syscall_ISIG | syscall_IEXTEN + tios.Cflag &^= syscall_CSIZE | syscall_PARENB + tios.Cflag |= syscall_CS8 + tios.Cc[syscall_VMIN] = 1 + tios.Cc[syscall_VTIME] = 0 + + err = tcsetattr(out.Fd(), &tios) + if err != nil { + return err + } + + out.WriteString(funcs[t_enter_ca]) + out.WriteString(funcs[t_enter_keypad]) + out.WriteString(funcs[t_hide_cursor]) + out.WriteString(funcs[t_clear_screen]) + + termw, termh = get_term_size(out.Fd()) + back_buffer.init(termw, termh) + front_buffer.init(termw, termh) + back_buffer.clear() + front_buffer.clear() + + go func() { + buf := make([]byte, 128) + for { + select { + case <-sigio: + for { + n, err := syscall.Read(in, buf) + if err == syscall.EAGAIN || err == syscall.EWOULDBLOCK { + break + } + select { + case input_comm <- input_event{buf[:n], err}: + ie := <-input_comm + buf = ie.data[:128] + case <-quit: + return + } + } + case <-quit: + return + } + } + }() + + IsInit = true + return nil +} + +// Interrupt an in-progress call to PollEvent by causing it to return +// EventInterrupt. Note that this function will block until the PollEvent +// function has successfully been interrupted. +func Interrupt() { + interrupt_comm <- struct{}{} +} + +// Finalizes termbox library, should be called after successful initialization +// when termbox's functionality isn't required anymore. +func Close() { + quit <- 1 + out.WriteString(funcs[t_show_cursor]) + out.WriteString(funcs[t_sgr0]) + out.WriteString(funcs[t_clear_screen]) + out.WriteString(funcs[t_exit_ca]) + out.WriteString(funcs[t_exit_keypad]) + out.WriteString(funcs[t_exit_mouse]) + tcsetattr(out.Fd(), &orig_tios) + + out.Close() + syscall.Close(in) + + // reset the state, so that on next Init() it will work again + termw = 0 + termh = 0 + input_mode = InputEsc + out = nil + in = 0 + lastfg = attr_invalid + lastbg = attr_invalid + lastx = coord_invalid + lasty = coord_invalid + cursor_x = cursor_hidden + cursor_y = cursor_hidden + foreground = ColorDefault + background = ColorDefault + IsInit = false +} + +// Synchronizes the internal back buffer with the terminal. +func Flush() error { + // invalidate cursor position + lastx = coord_invalid + lasty = coord_invalid + + update_size_maybe() + + for y := 0; y < front_buffer.height; y++ { + line_offset := y * front_buffer.width + for x := 0; x < front_buffer.width; { + cell_offset := line_offset + x + back := &back_buffer.cells[cell_offset] + front := &front_buffer.cells[cell_offset] + if back.Ch < ' ' { + back.Ch = ' ' + } + w := runewidth.RuneWidth(back.Ch) + if w == 0 || w == 2 && runewidth.IsAmbiguousWidth(back.Ch) { + w = 1 + } + if *back == *front { + x += w + continue + } + *front = *back + send_attr(back.Fg, back.Bg) + + if w == 2 && x == front_buffer.width-1 { + // there's not enough space for 2-cells rune, + // let's just put a space in there + send_char(x, y, ' ') + } else { + send_char(x, y, back.Ch) + if w == 2 { + next := cell_offset + 1 + front_buffer.cells[next] = Cell{ + Ch: 0, + Fg: back.Fg, + Bg: back.Bg, + } + } + } + x += w + } + } + if !is_cursor_hidden(cursor_x, cursor_y) { + write_cursor(cursor_x, cursor_y) + } + return flush() +} + +// Sets the position of the cursor. See also HideCursor(). +func SetCursor(x, y int) { + if is_cursor_hidden(cursor_x, cursor_y) && !is_cursor_hidden(x, y) { + outbuf.WriteString(funcs[t_show_cursor]) + } + + if !is_cursor_hidden(cursor_x, cursor_y) && is_cursor_hidden(x, y) { + outbuf.WriteString(funcs[t_hide_cursor]) + } + + cursor_x, cursor_y = x, y + if !is_cursor_hidden(cursor_x, cursor_y) { + write_cursor(cursor_x, cursor_y) + } +} + +// The shortcut for SetCursor(-1, -1). +func HideCursor() { + SetCursor(cursor_hidden, cursor_hidden) +} + +// Changes cell's parameters in the internal back buffer at the specified +// position. +func SetCell(x, y int, ch rune, fg, bg Attribute) { + if x < 0 || x >= back_buffer.width { + return + } + if y < 0 || y >= back_buffer.height { + return + } + + back_buffer.cells[y*back_buffer.width+x] = Cell{ch, fg, bg} +} + +// Returns a slice into the termbox's back buffer. You can get its dimensions +// using 'Size' function. The slice remains valid as long as no 'Clear' or +// 'Flush' function calls were made after call to this function. +func CellBuffer() []Cell { + return back_buffer.cells +} + +// After getting a raw event from PollRawEvent function call, you can parse it +// again into an ordinary one using termbox logic. That is parse an event as +// termbox would do it. Returned event in addition to usual Event struct fields +// sets N field to the amount of bytes used within 'data' slice. If the length +// of 'data' slice is zero or event cannot be parsed for some other reason, the +// function will return a special event type: EventNone. +// +// IMPORTANT: EventNone may contain a non-zero N, which means you should skip +// these bytes, because termbox cannot recognize them. +// +// NOTE: This API is experimental and may change in future. +func ParseEvent(data []byte) Event { + event := Event{Type: EventKey} + status := extract_event(data, &event, false) + if status != event_extracted { + return Event{Type: EventNone, N: event.N} + } + return event +} + +// Wait for an event and return it. This is a blocking function call. Instead +// of EventKey and EventMouse it returns EventRaw events. Raw event is written +// into `data` slice and Event's N field is set to the amount of bytes written. +// The minimum required length of the 'data' slice is 1. This requirement may +// vary on different platforms. +// +// NOTE: This API is experimental and may change in future. +func PollRawEvent(data []byte) Event { + if len(data) == 0 { + panic("len(data) >= 1 is a requirement") + } + + var event Event + if extract_raw_event(data, &event) { + return event + } + + for { + select { + case ev := <-input_comm: + if ev.err != nil { + return Event{Type: EventError, Err: ev.err} + } + + inbuf = append(inbuf, ev.data...) + input_comm <- ev + if extract_raw_event(data, &event) { + return event + } + case <-interrupt_comm: + event.Type = EventInterrupt + return event + + case <-sigwinch: + event.Type = EventResize + event.Width, event.Height = get_term_size(out.Fd()) + return event + } + } +} + +// Wait for an event and return it. This is a blocking function call. +func PollEvent() Event { + // Constant governing macOS specific behavior. See https://github.com/nsf/termbox-go/issues/132 + // This is an arbitrary delay which hopefully will be enough time for any lagging + // partial escape sequences to come through. + const esc_wait_delay = 100 * time.Millisecond + + var event Event + var esc_wait_timer *time.Timer + var esc_timeout <-chan time.Time + + // try to extract event from input buffer, return on success + event.Type = EventKey + status := extract_event(inbuf, &event, true) + if event.N != 0 { + if event.N > len(inbuf) { + event.N = len(inbuf) + } + copy(inbuf, inbuf[event.N:]) + inbuf = inbuf[:len(inbuf)-event.N] + } + if status == event_extracted { + return event + } else if status == esc_wait { + esc_wait_timer = time.NewTimer(esc_wait_delay) + esc_timeout = esc_wait_timer.C + } + + for { + select { + case ev := <-input_comm: + if esc_wait_timer != nil { + if !esc_wait_timer.Stop() { + <-esc_wait_timer.C + } + esc_wait_timer = nil + } + + if ev.err != nil { + return Event{Type: EventError, Err: ev.err} + } + + inbuf = append(inbuf, ev.data...) + input_comm <- ev + status := extract_event(inbuf, &event, true) + if event.N != 0 { + if event.N > len(inbuf) { + event.N = len(inbuf) + } + copy(inbuf, inbuf[event.N:]) + inbuf = inbuf[:len(inbuf)-event.N] + } + if status == event_extracted { + return event + } else if status == esc_wait { + esc_wait_timer = time.NewTimer(esc_wait_delay) + esc_timeout = esc_wait_timer.C + } + case <-esc_timeout: + esc_wait_timer = nil + + status := extract_event(inbuf, &event, false) + if event.N != 0 { + if event.N > len(inbuf) { + event.N = len(inbuf) + } + copy(inbuf, inbuf[event.N:]) + inbuf = inbuf[:len(inbuf)-event.N] + } + if status == event_extracted { + return event + } + case <-interrupt_comm: + event.Type = EventInterrupt + return event + + case <-sigwinch: + event.Type = EventResize + event.Width, event.Height = get_term_size(out.Fd()) + return event + } + } +} + +// Returns the size of the internal back buffer (which is mostly the same as +// terminal's window size in characters). But it doesn't always match the size +// of the terminal window, after the terminal size has changed, the internal +// back buffer will get in sync only after Clear or Flush function calls. +func Size() (width int, height int) { + return termw, termh +} + +// Clears the internal back buffer. +func Clear(fg, bg Attribute) error { + foreground, background = fg, bg + err := update_size_maybe() + back_buffer.clear() + return err +} + +// Sets termbox input mode. Termbox has two input modes: +// +// 1. Esc input mode. When ESC sequence is in the buffer and it doesn't match +// any known sequence. ESC means KeyEsc. This is the default input mode. +// +// 2. Alt input mode. When ESC sequence is in the buffer and it doesn't match +// any known sequence. ESC enables ModAlt modifier for the next keyboard event. +// +// Both input modes can be OR'ed with Mouse mode. Setting Mouse mode bit up will +// enable mouse button press/release and drag events. +// +// If 'mode' is InputCurrent, returns the current input mode. See also Input* +// constants. +func SetInputMode(mode InputMode) InputMode { + if mode == InputCurrent { + return input_mode + } + if mode&(InputEsc|InputAlt) == 0 { + mode |= InputEsc + } + if mode&(InputEsc|InputAlt) == InputEsc|InputAlt { + mode &^= InputAlt + } + if mode&InputMouse != 0 { + out.WriteString(funcs[t_enter_mouse]) + } else { + out.WriteString(funcs[t_exit_mouse]) + } + + input_mode = mode + return input_mode +} + +// Sets the termbox output mode. Termbox has four output options: +// +// 1. OutputNormal => [1..8] +// This mode provides 8 different colors: +// black, red, green, yellow, blue, magenta, cyan, white +// Shortcut: ColorBlack, ColorRed, ... +// Attributes: AttrBold, AttrUnderline, AttrReverse +// +// Example usage: +// SetCell(x, y, '@', ColorBlack | AttrBold, ColorRed); +// +// 2. Output256 => [1..256] +// In this mode you can leverage the 256 terminal mode: +// 0x01 - 0x08: the 8 colors as in OutputNormal +// 0x09 - 0x10: Color* | AttrBold +// 0x11 - 0xe8: 216 different colors +// 0xe9 - 0x1ff: 24 different shades of grey +// +// Example usage: +// SetCell(x, y, '@', 184, 240); +// SetCell(x, y, '@', 0xb8, 0xf0); +// +// 3. Output216 => [1..216] +// This mode supports the 3rd range of the 256 mode only. +// But you don't need to provide an offset. +// +// 4. OutputGrayscale => [1..26] +// This mode supports the 4th range of the 256 mode +// and black and white colors from 3th range of the 256 mode +// But you don't need to provide an offset. +// +// In all modes, 0x00 represents the default color. +// +// `go run _demos/output.go` to see its impact on your terminal. +// +// If 'mode' is OutputCurrent, it returns the current output mode. +// +// Note that this may return a different OutputMode than the one requested, +// as the requested mode may not be available on the target platform. +func SetOutputMode(mode OutputMode) OutputMode { + if mode == OutputCurrent { + return output_mode + } + + output_mode = mode + return output_mode +} + +// Sync comes handy when something causes desync between termbox's understanding +// of a terminal buffer and the reality. Such as a third party process. Sync +// forces a complete resync between the termbox and a terminal, it may not be +// visually pretty though. +func Sync() error { + front_buffer.clear() + err := send_clear() + if err != nil { + return err + } + + return Flush() +} diff --git a/vendor/github.com/jesseduffield/termbox-go/api_common.go b/vendor/github.com/jesseduffield/termbox-go/api_common.go new file mode 100644 index 000000000..5ca1371a5 --- /dev/null +++ b/vendor/github.com/jesseduffield/termbox-go/api_common.go @@ -0,0 +1,187 @@ +// termbox is a library for creating cross-platform text-based interfaces +package termbox + +// public API, common OS agnostic part + +type ( + InputMode int + OutputMode int + EventType uint8 + Modifier uint8 + Key uint16 + Attribute uint16 +) + +// This type represents a termbox event. The 'Mod', 'Key' and 'Ch' fields are +// valid if 'Type' is EventKey. The 'Width' and 'Height' fields are valid if +// 'Type' is EventResize. The 'Err' field is valid if 'Type' is EventError. +type Event struct { + Type EventType // one of Event* constants + Mod Modifier // one of Mod* constants or 0 + Key Key // one of Key* constants, invalid if 'Ch' is not 0 + Ch rune // a unicode character + Width int // width of the screen + Height int // height of the screen + Err error // error in case if input failed + MouseX int // x coord of mouse + MouseY int // y coord of mouse + N int // number of bytes written when getting a raw event +} + +// A cell, single conceptual entity on the screen. The screen is basically a 2d +// array of cells. 'Ch' is a unicode character, 'Fg' and 'Bg' are foreground +// and background attributes respectively. +type Cell struct { + Ch rune + Fg Attribute + Bg Attribute +} + +// To know if termbox has been initialized or not +var ( + IsInit bool = false +) + +// Key constants, see Event.Key field. +const ( + KeyF1 Key = 0xFFFF - iota + KeyF2 + KeyF3 + KeyF4 + KeyF5 + KeyF6 + KeyF7 + KeyF8 + KeyF9 + KeyF10 + KeyF11 + KeyF12 + KeyInsert + KeyDelete + KeyHome + KeyEnd + KeyPgup + KeyPgdn + KeyArrowUp + KeyArrowDown + KeyArrowLeft + KeyArrowRight + key_min // see terminfo + MouseLeft + MouseMiddle + MouseRight + MouseRelease + MouseWheelUp + MouseWheelDown +) + +const ( + KeyCtrlTilde Key = 0x00 + KeyCtrl2 Key = 0x00 + KeyCtrlSpace Key = 0x00 + KeyCtrlA Key = 0x01 + KeyCtrlB Key = 0x02 + KeyCtrlC Key = 0x03 + KeyCtrlD Key = 0x04 + KeyCtrlE Key = 0x05 + KeyCtrlF Key = 0x06 + KeyCtrlG Key = 0x07 + KeyBackspace Key = 0x08 + KeyCtrlH Key = 0x08 + KeyTab Key = 0x09 + KeyCtrlI Key = 0x09 + KeyCtrlJ Key = 0x0A + KeyCtrlK Key = 0x0B + KeyCtrlL Key = 0x0C + KeyEnter Key = 0x0D + KeyCtrlM Key = 0x0D + KeyCtrlN Key = 0x0E + KeyCtrlO Key = 0x0F + KeyCtrlP Key = 0x10 + KeyCtrlQ Key = 0x11 + KeyCtrlR Key = 0x12 + KeyCtrlS Key = 0x13 + KeyCtrlT Key = 0x14 + KeyCtrlU Key = 0x15 + KeyCtrlV Key = 0x16 + KeyCtrlW Key = 0x17 + KeyCtrlX Key = 0x18 + KeyCtrlY Key = 0x19 + KeyCtrlZ Key = 0x1A + KeyEsc Key = 0x1B + KeyCtrlLsqBracket Key = 0x1B + KeyCtrl3 Key = 0x1B + KeyCtrl4 Key = 0x1C + KeyCtrlBackslash Key = 0x1C + KeyCtrl5 Key = 0x1D + KeyCtrlRsqBracket Key = 0x1D + KeyCtrl6 Key = 0x1E + KeyCtrl7 Key = 0x1F + KeyCtrlSlash Key = 0x1F + KeyCtrlUnderscore Key = 0x1F + KeySpace Key = 0x20 + KeyBackspace2 Key = 0x7F + KeyCtrl8 Key = 0x7F +) + +// Alt modifier constant, see Event.Mod field and SetInputMode function. +const ( + ModAlt Modifier = 1 << iota + ModMotion +) + +// Cell colors, you can combine a color with multiple attributes using bitwise +// OR ('|'). +const ( + ColorDefault Attribute = iota + ColorBlack + ColorRed + ColorGreen + ColorYellow + ColorBlue + ColorMagenta + ColorCyan + ColorWhite +) + +// Cell attributes, it is possible to use multiple attributes by combining them +// using bitwise OR ('|'). Although, colors cannot be combined. But you can +// combine attributes and a single color. +// +// It's worth mentioning that some platforms don't support certain attributes. +// For example windows console doesn't support AttrUnderline. And on some +// terminals applying AttrBold to background may result in blinking text. Use +// them with caution and test your code on various terminals. +const ( + AttrBold Attribute = 1 << (iota + 9) + AttrUnderline + AttrReverse +) + +// Input mode. See SetInputMode function. +const ( + InputEsc InputMode = 1 << iota + InputAlt + InputMouse + InputCurrent InputMode = 0 +) + +// Output mode. See SetOutputMode function. +const ( + OutputCurrent OutputMode = iota + OutputNormal + Output256 + Output216 + OutputGrayscale +) + +// Event type. See Event.Type field. +const ( + EventKey EventType = iota + EventResize + EventMouse + EventError + EventInterrupt + EventRaw + EventNone +) diff --git a/vendor/github.com/jesseduffield/termbox-go/api_windows.go b/vendor/github.com/jesseduffield/termbox-go/api_windows.go new file mode 100644 index 000000000..7def30a67 --- /dev/null +++ b/vendor/github.com/jesseduffield/termbox-go/api_windows.go @@ -0,0 +1,239 @@ +package termbox + +import ( + "syscall" +) + +// public API + +// Initializes termbox library. This function should be called before any other functions. +// After successful initialization, the library must be finalized using 'Close' function. +// +// Example usage: +// err := termbox.Init() +// if err != nil { +// panic(err) +// } +// defer termbox.Close() +func Init() error { + var err error + + interrupt, err = create_event() + if err != nil { + return err + } + + in, err = syscall.Open("CONIN$", syscall.O_RDWR, 0) + if err != nil { + return err + } + out, err = syscall.Open("CONOUT$", syscall.O_RDWR, 0) + if err != nil { + return err + } + + err = get_console_mode(in, &orig_mode) + if err != nil { + return err + } + + err = set_console_mode(in, enable_window_input) + if err != nil { + return err + } + + orig_size = get_term_size(out) + win_size := get_win_size(out) + + err = set_console_screen_buffer_size(out, win_size) + if err != nil { + return err + } + + err = get_console_cursor_info(out, &orig_cursor_info) + if err != nil { + return err + } + + show_cursor(false) + term_size = get_term_size(out) + back_buffer.init(int(term_size.x), int(term_size.y)) + front_buffer.init(int(term_size.x), int(term_size.y)) + back_buffer.clear() + front_buffer.clear() + clear() + + diffbuf = make([]diff_msg, 0, 32) + + go input_event_producer() + IsInit = true + return nil +} + +// Finalizes termbox library, should be called after successful initialization +// when termbox's functionality isn't required anymore. +func Close() { + // we ignore errors here, because we can't really do anything about them + Clear(0, 0) + Flush() + + // stop event producer + cancel_comm <- true + set_event(interrupt) + select { + case <-input_comm: + default: + } + <-cancel_done_comm + + set_console_cursor_info(out, &orig_cursor_info) + set_console_cursor_position(out, coord{}) + set_console_screen_buffer_size(out, orig_size) + set_console_mode(in, orig_mode) + syscall.Close(in) + syscall.Close(out) + syscall.Close(interrupt) + IsInit = false +} + +// Interrupt an in-progress call to PollEvent by causing it to return +// EventInterrupt. Note that this function will block until the PollEvent +// function has successfully been interrupted. +func Interrupt() { + interrupt_comm <- struct{}{} +} + +// Synchronizes the internal back buffer with the terminal. +func Flush() error { + update_size_maybe() + prepare_diff_messages() + for _, diff := range diffbuf { + r := small_rect{ + left: 0, + top: diff.pos, + right: term_size.x - 1, + bottom: diff.pos + diff.lines - 1, + } + write_console_output(out, diff.chars, r) + } + if !is_cursor_hidden(cursor_x, cursor_y) { + move_cursor(cursor_x, cursor_y) + } + return nil +} + +// Sets the position of the cursor. See also HideCursor(). +func SetCursor(x, y int) { + if is_cursor_hidden(cursor_x, cursor_y) && !is_cursor_hidden(x, y) { + show_cursor(true) + } + + if !is_cursor_hidden(cursor_x, cursor_y) && is_cursor_hidden(x, y) { + show_cursor(false) + } + + cursor_x, cursor_y = x, y + if !is_cursor_hidden(cursor_x, cursor_y) { + move_cursor(cursor_x, cursor_y) + } +} + +// The shortcut for SetCursor(-1, -1). +func HideCursor() { + SetCursor(cursor_hidden, cursor_hidden) +} + +// Changes cell's parameters in the internal back buffer at the specified +// position. +func SetCell(x, y int, ch rune, fg, bg Attribute) { + if x < 0 || x >= back_buffer.width { + return + } + if y < 0 || y >= back_buffer.height { + return + } + + back_buffer.cells[y*back_buffer.width+x] = Cell{ch, fg, bg} +} + +// Returns a slice into the termbox's back buffer. You can get its dimensions +// using 'Size' function. The slice remains valid as long as no 'Clear' or +// 'Flush' function calls were made after call to this function. +func CellBuffer() []Cell { + return back_buffer.cells +} + +// Wait for an event and return it. This is a blocking function call. +func PollEvent() Event { + select { + case ev := <-input_comm: + return ev + case <-interrupt_comm: + return Event{Type: EventInterrupt} + } +} + +// Returns the size of the internal back buffer (which is mostly the same as +// console's window size in characters). But it doesn't always match the size +// of the console window, after the console size has changed, the internal back +// buffer will get in sync only after Clear or Flush function calls. +func Size() (int, int) { + return int(term_size.x), int(term_size.y) +} + +// Clears the internal back buffer. +func Clear(fg, bg Attribute) error { + foreground, background = fg, bg + update_size_maybe() + back_buffer.clear() + return nil +} + +// Sets termbox input mode. Termbox has two input modes: +// +// 1. Esc input mode. When ESC sequence is in the buffer and it doesn't match +// any known sequence. ESC means KeyEsc. This is the default input mode. +// +// 2. Alt input mode. When ESC sequence is in the buffer and it doesn't match +// any known sequence. ESC enables ModAlt modifier for the next keyboard event. +// +// Both input modes can be OR'ed with Mouse mode. Setting Mouse mode bit up will +// enable mouse button press/release and drag events. +// +// If 'mode' is InputCurrent, returns the current input mode. See also Input* +// constants. +func SetInputMode(mode InputMode) InputMode { + if mode == InputCurrent { + return input_mode + } + if mode&InputMouse != 0 { + err := set_console_mode(in, enable_window_input|enable_mouse_input|enable_extended_flags) + if err != nil { + panic(err) + } + } else { + err := set_console_mode(in, enable_window_input) + if err != nil { + panic(err) + } + } + + input_mode = mode + return input_mode +} + +// Sets the termbox output mode. +// +// Windows console does not support extra colour modes, +// so this will always set and return OutputNormal. +func SetOutputMode(mode OutputMode) OutputMode { + return OutputNormal +} + +// Sync comes handy when something causes desync between termbox's understanding +// of a terminal buffer and the reality. Such as a third party process. Sync +// forces a complete resync between the termbox and a terminal, it may not be +// visually pretty though. At the moment on Windows it does nothing. +func Sync() error { + return nil +} diff --git a/vendor/github.com/jesseduffield/termbox-go/escwait.go b/vendor/github.com/jesseduffield/termbox-go/escwait.go new file mode 100644 index 000000000..b7bbb891f --- /dev/null +++ b/vendor/github.com/jesseduffield/termbox-go/escwait.go @@ -0,0 +1,11 @@ +// +build !darwin + +package termbox + +// On all systems other than macOS, disable behavior which will wait before +// deciding that the escape key was pressed, to account for partially send +// escape sequences, especially with regard to lengthy mouse sequences. +// See https://github.com/nsf/termbox-go/issues/132 +func enable_wait_for_escape_sequence() bool { + return false +} diff --git a/vendor/github.com/jesseduffield/termbox-go/escwait_darwin.go b/vendor/github.com/jesseduffield/termbox-go/escwait_darwin.go new file mode 100644 index 000000000..dde69b6cb --- /dev/null +++ b/vendor/github.com/jesseduffield/termbox-go/escwait_darwin.go @@ -0,0 +1,9 @@ +package termbox + +// On macOS, enable behavior which will wait before deciding that the escape +// key was pressed, to account for partially send escape sequences, especially +// with regard to lengthy mouse sequences. +// See https://github.com/nsf/termbox-go/issues/132 +func enable_wait_for_escape_sequence() bool { + return true +} diff --git a/vendor/github.com/jesseduffield/termbox-go/syscalls.go b/vendor/github.com/jesseduffield/termbox-go/syscalls.go new file mode 100644 index 000000000..4f52bb9af --- /dev/null +++ b/vendor/github.com/jesseduffield/termbox-go/syscalls.go @@ -0,0 +1,39 @@ +// +build ignore + +package termbox + +/* +#include +#include +*/ +import "C" + +type syscall_Termios C.struct_termios + +const ( + syscall_IGNBRK = C.IGNBRK + syscall_BRKINT = C.BRKINT + syscall_PARMRK = C.PARMRK + syscall_ISTRIP = C.ISTRIP + syscall_INLCR = C.INLCR + syscall_IGNCR = C.IGNCR + syscall_ICRNL = C.ICRNL + syscall_IXON = C.IXON + syscall_OPOST = C.OPOST + syscall_ECHO = C.ECHO + syscall_ECHONL = C.ECHONL + syscall_ICANON = C.ICANON + syscall_ISIG = C.ISIG + syscall_IEXTEN = C.IEXTEN + syscall_CSIZE = C.CSIZE + syscall_PARENB = C.PARENB + syscall_CS8 = C.CS8 + syscall_VMIN = C.VMIN + syscall_VTIME = C.VTIME + + // on darwin change these to (on *bsd too?): + // C.TIOCGETA + // C.TIOCSETA + syscall_TCGETS = C.TCGETS + syscall_TCSETS = C.TCSETS +) diff --git a/vendor/github.com/jesseduffield/termbox-go/syscalls_darwin.go b/vendor/github.com/jesseduffield/termbox-go/syscalls_darwin.go new file mode 100644 index 000000000..25b78f7ab --- /dev/null +++ b/vendor/github.com/jesseduffield/termbox-go/syscalls_darwin.go @@ -0,0 +1,41 @@ +// Created by cgo -godefs - DO NOT EDIT +// cgo -godefs syscalls.go + +// +build !amd64 + +package termbox + +type syscall_Termios struct { + Iflag uint32 + Oflag uint32 + Cflag uint32 + Lflag uint32 + Cc [20]uint8 + Ispeed uint32 + Ospeed uint32 +} + +const ( + syscall_IGNBRK = 0x1 + syscall_BRKINT = 0x2 + syscall_PARMRK = 0x8 + syscall_ISTRIP = 0x20 + syscall_INLCR = 0x40 + syscall_IGNCR = 0x80 + syscall_ICRNL = 0x100 + syscall_IXON = 0x200 + syscall_OPOST = 0x1 + syscall_ECHO = 0x8 + syscall_ECHONL = 0x10 + syscall_ICANON = 0x100 + syscall_ISIG = 0x80 + syscall_IEXTEN = 0x400 + syscall_CSIZE = 0x300 + syscall_PARENB = 0x1000 + syscall_CS8 = 0x300 + syscall_VMIN = 0x10 + syscall_VTIME = 0x11 + + syscall_TCGETS = 0x402c7413 + syscall_TCSETS = 0x802c7414 +) diff --git a/vendor/github.com/jesseduffield/termbox-go/syscalls_darwin_amd64.go b/vendor/github.com/jesseduffield/termbox-go/syscalls_darwin_amd64.go new file mode 100644 index 000000000..11f25be79 --- /dev/null +++ b/vendor/github.com/jesseduffield/termbox-go/syscalls_darwin_amd64.go @@ -0,0 +1,40 @@ +// Created by cgo -godefs - DO NOT EDIT +// cgo -godefs syscalls.go + +package termbox + +type syscall_Termios struct { + Iflag uint64 + Oflag uint64 + Cflag uint64 + Lflag uint64 + Cc [20]uint8 + Pad_cgo_0 [4]byte + Ispeed uint64 + Ospeed uint64 +} + +const ( + syscall_IGNBRK = 0x1 + syscall_BRKINT = 0x2 + syscall_PARMRK = 0x8 + syscall_ISTRIP = 0x20 + syscall_INLCR = 0x40 + syscall_IGNCR = 0x80 + syscall_ICRNL = 0x100 + syscall_IXON = 0x200 + syscall_OPOST = 0x1 + syscall_ECHO = 0x8 + syscall_ECHONL = 0x10 + syscall_ICANON = 0x100 + syscall_ISIG = 0x80 + syscall_IEXTEN = 0x400 + syscall_CSIZE = 0x300 + syscall_PARENB = 0x1000 + syscall_CS8 = 0x300 + syscall_VMIN = 0x10 + syscall_VTIME = 0x11 + + syscall_TCGETS = 0x40487413 + syscall_TCSETS = 0x80487414 +) diff --git a/vendor/github.com/jesseduffield/termbox-go/syscalls_dragonfly.go b/vendor/github.com/jesseduffield/termbox-go/syscalls_dragonfly.go new file mode 100644 index 000000000..e03624ebc --- /dev/null +++ b/vendor/github.com/jesseduffield/termbox-go/syscalls_dragonfly.go @@ -0,0 +1,39 @@ +// Created by cgo -godefs - DO NOT EDIT +// cgo -godefs syscalls.go + +package termbox + +type syscall_Termios struct { + Iflag uint32 + Oflag uint32 + Cflag uint32 + Lflag uint32 + Cc [20]uint8 + Ispeed uint32 + Ospeed uint32 +} + +const ( + syscall_IGNBRK = 0x1 + syscall_BRKINT = 0x2 + syscall_PARMRK = 0x8 + syscall_ISTRIP = 0x20 + syscall_INLCR = 0x40 + syscall_IGNCR = 0x80 + syscall_ICRNL = 0x100 + syscall_IXON = 0x200 + syscall_OPOST = 0x1 + syscall_ECHO = 0x8 + syscall_ECHONL = 0x10 + syscall_ICANON = 0x100 + syscall_ISIG = 0x80 + syscall_IEXTEN = 0x400 + syscall_CSIZE = 0x300 + syscall_PARENB = 0x1000 + syscall_CS8 = 0x300 + syscall_VMIN = 0x10 + syscall_VTIME = 0x11 + + syscall_TCGETS = 0x402c7413 + syscall_TCSETS = 0x802c7414 +) diff --git a/vendor/github.com/jesseduffield/termbox-go/syscalls_freebsd.go b/vendor/github.com/jesseduffield/termbox-go/syscalls_freebsd.go new file mode 100644 index 000000000..e03624ebc --- /dev/null +++ b/vendor/github.com/jesseduffield/termbox-go/syscalls_freebsd.go @@ -0,0 +1,39 @@ +// Created by cgo -godefs - DO NOT EDIT +// cgo -godefs syscalls.go + +package termbox + +type syscall_Termios struct { + Iflag uint32 + Oflag uint32 + Cflag uint32 + Lflag uint32 + Cc [20]uint8 + Ispeed uint32 + Ospeed uint32 +} + +const ( + syscall_IGNBRK = 0x1 + syscall_BRKINT = 0x2 + syscall_PARMRK = 0x8 + syscall_ISTRIP = 0x20 + syscall_INLCR = 0x40 + syscall_IGNCR = 0x80 + syscall_ICRNL = 0x100 + syscall_IXON = 0x200 + syscall_OPOST = 0x1 + syscall_ECHO = 0x8 + syscall_ECHONL = 0x10 + syscall_ICANON = 0x100 + syscall_ISIG = 0x80 + syscall_IEXTEN = 0x400 + syscall_CSIZE = 0x300 + syscall_PARENB = 0x1000 + syscall_CS8 = 0x300 + syscall_VMIN = 0x10 + syscall_VTIME = 0x11 + + syscall_TCGETS = 0x402c7413 + syscall_TCSETS = 0x802c7414 +) diff --git a/vendor/github.com/jesseduffield/termbox-go/syscalls_linux.go b/vendor/github.com/jesseduffield/termbox-go/syscalls_linux.go new file mode 100644 index 000000000..b88960de6 --- /dev/null +++ b/vendor/github.com/jesseduffield/termbox-go/syscalls_linux.go @@ -0,0 +1,33 @@ +// Created by cgo -godefs - DO NOT EDIT +// cgo -godefs syscalls.go + +package termbox + +import "syscall" + +type syscall_Termios syscall.Termios + +const ( + syscall_IGNBRK = syscall.IGNBRK + syscall_BRKINT = syscall.BRKINT + syscall_PARMRK = syscall.PARMRK + syscall_ISTRIP = syscall.ISTRIP + syscall_INLCR = syscall.INLCR + syscall_IGNCR = syscall.IGNCR + syscall_ICRNL = syscall.ICRNL + syscall_IXON = syscall.IXON + syscall_OPOST = syscall.OPOST + syscall_ECHO = syscall.ECHO + syscall_ECHONL = syscall.ECHONL + syscall_ICANON = syscall.ICANON + syscall_ISIG = syscall.ISIG + syscall_IEXTEN = syscall.IEXTEN + syscall_CSIZE = syscall.CSIZE + syscall_PARENB = syscall.PARENB + syscall_CS8 = syscall.CS8 + syscall_VMIN = syscall.VMIN + syscall_VTIME = syscall.VTIME + + syscall_TCGETS = syscall.TCGETS + syscall_TCSETS = syscall.TCSETS +) diff --git a/vendor/github.com/jesseduffield/termbox-go/syscalls_netbsd.go b/vendor/github.com/jesseduffield/termbox-go/syscalls_netbsd.go new file mode 100644 index 000000000..49a3355b9 --- /dev/null +++ b/vendor/github.com/jesseduffield/termbox-go/syscalls_netbsd.go @@ -0,0 +1,39 @@ +// Created by cgo -godefs - DO NOT EDIT +// cgo -godefs syscalls.go + +package termbox + +type syscall_Termios struct { + Iflag uint32 + Oflag uint32 + Cflag uint32 + Lflag uint32 + Cc [20]uint8 + Ispeed int32 + Ospeed int32 +} + +const ( + syscall_IGNBRK = 0x1 + syscall_BRKINT = 0x2 + syscall_PARMRK = 0x8 + syscall_ISTRIP = 0x20 + syscall_INLCR = 0x40 + syscall_IGNCR = 0x80 + syscall_ICRNL = 0x100 + syscall_IXON = 0x200 + syscall_OPOST = 0x1 + syscall_ECHO = 0x8 + syscall_ECHONL = 0x10 + syscall_ICANON = 0x100 + syscall_ISIG = 0x80 + syscall_IEXTEN = 0x400 + syscall_CSIZE = 0x300 + syscall_PARENB = 0x1000 + syscall_CS8 = 0x300 + syscall_VMIN = 0x10 + syscall_VTIME = 0x11 + + syscall_TCGETS = 0x402c7413 + syscall_TCSETS = 0x802c7414 +) diff --git a/vendor/github.com/jesseduffield/termbox-go/syscalls_openbsd.go b/vendor/github.com/jesseduffield/termbox-go/syscalls_openbsd.go new file mode 100644 index 000000000..49a3355b9 --- /dev/null +++ b/vendor/github.com/jesseduffield/termbox-go/syscalls_openbsd.go @@ -0,0 +1,39 @@ +// Created by cgo -godefs - DO NOT EDIT +// cgo -godefs syscalls.go + +package termbox + +type syscall_Termios struct { + Iflag uint32 + Oflag uint32 + Cflag uint32 + Lflag uint32 + Cc [20]uint8 + Ispeed int32 + Ospeed int32 +} + +const ( + syscall_IGNBRK = 0x1 + syscall_BRKINT = 0x2 + syscall_PARMRK = 0x8 + syscall_ISTRIP = 0x20 + syscall_INLCR = 0x40 + syscall_IGNCR = 0x80 + syscall_ICRNL = 0x100 + syscall_IXON = 0x200 + syscall_OPOST = 0x1 + syscall_ECHO = 0x8 + syscall_ECHONL = 0x10 + syscall_ICANON = 0x100 + syscall_ISIG = 0x80 + syscall_IEXTEN = 0x400 + syscall_CSIZE = 0x300 + syscall_PARENB = 0x1000 + syscall_CS8 = 0x300 + syscall_VMIN = 0x10 + syscall_VTIME = 0x11 + + syscall_TCGETS = 0x402c7413 + syscall_TCSETS = 0x802c7414 +) diff --git a/vendor/github.com/jesseduffield/termbox-go/syscalls_windows.go b/vendor/github.com/jesseduffield/termbox-go/syscalls_windows.go new file mode 100644 index 000000000..472d002a5 --- /dev/null +++ b/vendor/github.com/jesseduffield/termbox-go/syscalls_windows.go @@ -0,0 +1,61 @@ +// Created by cgo -godefs - DO NOT EDIT +// cgo -godefs -- -DUNICODE syscalls.go + +package termbox + +const ( + foreground_blue = 0x1 + foreground_green = 0x2 + foreground_red = 0x4 + foreground_intensity = 0x8 + background_blue = 0x10 + background_green = 0x20 + background_red = 0x40 + background_intensity = 0x80 + std_input_handle = -0xa + std_output_handle = -0xb + key_event = 0x1 + mouse_event = 0x2 + window_buffer_size_event = 0x4 + enable_window_input = 0x8 + enable_mouse_input = 0x10 + enable_extended_flags = 0x80 + + vk_f1 = 0x70 + vk_f2 = 0x71 + vk_f3 = 0x72 + vk_f4 = 0x73 + vk_f5 = 0x74 + vk_f6 = 0x75 + vk_f7 = 0x76 + vk_f8 = 0x77 + vk_f9 = 0x78 + vk_f10 = 0x79 + vk_f11 = 0x7a + vk_f12 = 0x7b + vk_insert = 0x2d + vk_delete = 0x2e + vk_home = 0x24 + vk_end = 0x23 + vk_pgup = 0x21 + vk_pgdn = 0x22 + vk_arrow_up = 0x26 + vk_arrow_down = 0x28 + vk_arrow_left = 0x25 + vk_arrow_right = 0x27 + vk_backspace = 0x8 + vk_tab = 0x9 + vk_enter = 0xd + vk_esc = 0x1b + vk_space = 0x20 + + left_alt_pressed = 0x2 + left_ctrl_pressed = 0x8 + right_alt_pressed = 0x1 + right_ctrl_pressed = 0x4 + shift_pressed = 0x10 + + generic_read = 0x80000000 + generic_write = 0x40000000 + console_textmode_buffer = 0x1 +) diff --git a/vendor/github.com/jesseduffield/termbox-go/termbox.go b/vendor/github.com/jesseduffield/termbox-go/termbox.go new file mode 100644 index 000000000..fbe4c3de9 --- /dev/null +++ b/vendor/github.com/jesseduffield/termbox-go/termbox.go @@ -0,0 +1,529 @@ +// +build !windows + +package termbox + +import "unicode/utf8" +import "bytes" +import "syscall" +import "unsafe" +import "strings" +import "strconv" +import "os" +import "io" + +// private API + +const ( + t_enter_ca = iota + t_exit_ca + t_show_cursor + t_hide_cursor + t_clear_screen + t_sgr0 + t_underline + t_bold + t_blink + t_reverse + t_enter_keypad + t_exit_keypad + t_enter_mouse + t_exit_mouse + t_max_funcs +) + +const ( + coord_invalid = -2 + attr_invalid = Attribute(0xFFFF) +) + +type input_event struct { + data []byte + err error +} + +type extract_event_res int + +const ( + event_not_extracted extract_event_res = iota + event_extracted + esc_wait +) + +var ( + // term specific sequences + keys []string + funcs []string + + // termbox inner state + orig_tios syscall_Termios + back_buffer cellbuf + front_buffer cellbuf + termw int + termh int + input_mode = InputEsc + output_mode = OutputNormal + out *os.File + in int + lastfg = attr_invalid + lastbg = attr_invalid + lastx = coord_invalid + lasty = coord_invalid + cursor_x = cursor_hidden + cursor_y = cursor_hidden + foreground = ColorDefault + background = ColorDefault + inbuf = make([]byte, 0, 64) + outbuf bytes.Buffer + sigwinch = make(chan os.Signal, 1) + sigio = make(chan os.Signal, 1) + quit = make(chan int) + input_comm = make(chan input_event) + interrupt_comm = make(chan struct{}) + intbuf = make([]byte, 0, 16) + + // grayscale indexes + grayscale = []Attribute{ + 0, 17, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, + 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255, 256, 232, + } +) + +func write_cursor(x, y int) { + outbuf.WriteString("\033[") + outbuf.Write(strconv.AppendUint(intbuf, uint64(y+1), 10)) + outbuf.WriteString(";") + outbuf.Write(strconv.AppendUint(intbuf, uint64(x+1), 10)) + outbuf.WriteString("H") +} + +func write_sgr_fg(a Attribute) { + switch output_mode { + case Output256, Output216, OutputGrayscale: + outbuf.WriteString("\033[38;5;") + outbuf.Write(strconv.AppendUint(intbuf, uint64(a-1), 10)) + outbuf.WriteString("m") + default: + outbuf.WriteString("\033[3") + outbuf.Write(strconv.AppendUint(intbuf, uint64(a-1), 10)) + outbuf.WriteString("m") + } +} + +func write_sgr_bg(a Attribute) { + switch output_mode { + case Output256, Output216, OutputGrayscale: + outbuf.WriteString("\033[48;5;") + outbuf.Write(strconv.AppendUint(intbuf, uint64(a-1), 10)) + outbuf.WriteString("m") + default: + outbuf.WriteString("\033[4") + outbuf.Write(strconv.AppendUint(intbuf, uint64(a-1), 10)) + outbuf.WriteString("m") + } +} + +func write_sgr(fg, bg Attribute) { + switch output_mode { + case Output256, Output216, OutputGrayscale: + outbuf.WriteString("\033[38;5;") + outbuf.Write(strconv.AppendUint(intbuf, uint64(fg-1), 10)) + outbuf.WriteString("m") + outbuf.WriteString("\033[48;5;") + outbuf.Write(strconv.AppendUint(intbuf, uint64(bg-1), 10)) + outbuf.WriteString("m") + default: + outbuf.WriteString("\033[3") + outbuf.Write(strconv.AppendUint(intbuf, uint64(fg-1), 10)) + outbuf.WriteString(";4") + outbuf.Write(strconv.AppendUint(intbuf, uint64(bg-1), 10)) + outbuf.WriteString("m") + } +} + +type winsize struct { + rows uint16 + cols uint16 + xpixels uint16 + ypixels uint16 +} + +func get_term_size(fd uintptr) (int, int) { + var sz winsize + _, _, _ = syscall.Syscall(syscall.SYS_IOCTL, + fd, uintptr(syscall.TIOCGWINSZ), uintptr(unsafe.Pointer(&sz))) + return int(sz.cols), int(sz.rows) +} + +func send_attr(fg, bg Attribute) { + if fg == lastfg && bg == lastbg { + return + } + + outbuf.WriteString(funcs[t_sgr0]) + + var fgcol, bgcol Attribute + + switch output_mode { + case Output256: + fgcol = fg & 0x1FF + bgcol = bg & 0x1FF + case Output216: + fgcol = fg & 0xFF + bgcol = bg & 0xFF + if fgcol > 216 { + fgcol = ColorDefault + } + if bgcol > 216 { + bgcol = ColorDefault + } + if fgcol != ColorDefault { + fgcol += 0x10 + } + if bgcol != ColorDefault { + bgcol += 0x10 + } + case OutputGrayscale: + fgcol = fg & 0x1F + bgcol = bg & 0x1F + if fgcol > 26 { + fgcol = ColorDefault + } + if bgcol > 26 { + bgcol = ColorDefault + } + if fgcol != ColorDefault { + fgcol = grayscale[fgcol] + } + if bgcol != ColorDefault { + bgcol = grayscale[bgcol] + } + default: + fgcol = fg & 0x0F + bgcol = bg & 0x0F + } + + if fgcol != ColorDefault { + if bgcol != ColorDefault { + write_sgr(fgcol, bgcol) + } else { + write_sgr_fg(fgcol) + } + } else if bgcol != ColorDefault { + write_sgr_bg(bgcol) + } + + if fg&AttrBold != 0 { + outbuf.WriteString(funcs[t_bold]) + } + if bg&AttrBold != 0 { + outbuf.WriteString(funcs[t_blink]) + } + if fg&AttrUnderline != 0 { + outbuf.WriteString(funcs[t_underline]) + } + if fg&AttrReverse|bg&AttrReverse != 0 { + outbuf.WriteString(funcs[t_reverse]) + } + + lastfg, lastbg = fg, bg +} + +func send_char(x, y int, ch rune) { + var buf [8]byte + n := utf8.EncodeRune(buf[:], ch) + if x-1 != lastx || y != lasty { + write_cursor(x, y) + } + lastx, lasty = x, y + outbuf.Write(buf[:n]) +} + +func flush() error { + _, err := io.Copy(out, &outbuf) + outbuf.Reset() + return err +} + +func send_clear() error { + send_attr(foreground, background) + outbuf.WriteString(funcs[t_clear_screen]) + if !is_cursor_hidden(cursor_x, cursor_y) { + write_cursor(cursor_x, cursor_y) + } + + // we need to invalidate cursor position too and these two vars are + // used only for simple cursor positioning optimization, cursor + // actually may be in the correct place, but we simply discard + // optimization once and it gives us simple solution for the case when + // cursor moved + lastx = coord_invalid + lasty = coord_invalid + + return flush() +} + +func update_size_maybe() error { + w, h := get_term_size(out.Fd()) + if w != termw || h != termh { + termw, termh = w, h + back_buffer.resize(termw, termh) + front_buffer.resize(termw, termh) + front_buffer.clear() + return send_clear() + } + return nil +} + +func tcsetattr(fd uintptr, termios *syscall_Termios) error { + r, _, e := syscall.Syscall(syscall.SYS_IOCTL, + fd, uintptr(syscall_TCSETS), uintptr(unsafe.Pointer(termios))) + if r != 0 { + return os.NewSyscallError("SYS_IOCTL", e) + } + return nil +} + +func tcgetattr(fd uintptr, termios *syscall_Termios) error { + r, _, e := syscall.Syscall(syscall.SYS_IOCTL, + fd, uintptr(syscall_TCGETS), uintptr(unsafe.Pointer(termios))) + if r != 0 { + return os.NewSyscallError("SYS_IOCTL", e) + } + return nil +} + +func parse_mouse_event(event *Event, buf string) (int, bool) { + if strings.HasPrefix(buf, "\033[M") && len(buf) >= 6 { + // X10 mouse encoding, the simplest one + // \033 [ M Cb Cx Cy + b := buf[3] - 32 + switch b & 3 { + case 0: + if b&64 != 0 { + event.Key = MouseWheelUp + } else { + event.Key = MouseLeft + } + case 1: + if b&64 != 0 { + event.Key = MouseWheelDown + } else { + event.Key = MouseMiddle + } + case 2: + event.Key = MouseRight + case 3: + event.Key = MouseRelease + default: + return 6, false + } + event.Type = EventMouse // KeyEvent by default + if b&32 != 0 { + event.Mod |= ModMotion + } + + // the coord is 1,1 for upper left + event.MouseX = int(buf[4]) - 1 - 32 + event.MouseY = int(buf[5]) - 1 - 32 + return 6, true + } else if strings.HasPrefix(buf, "\033[<") || strings.HasPrefix(buf, "\033[") { + // xterm 1006 extended mode or urxvt 1015 extended mode + // xterm: \033 [ < Cb ; Cx ; Cy (M or m) + // urxvt: \033 [ Cb ; Cx ; Cy M + + // find the first M or m, that's where we stop + mi := strings.IndexAny(buf, "Mm") + if mi == -1 { + return 0, false + } + + // whether it's a capital M or not + isM := buf[mi] == 'M' + + // whether it's urxvt or not + isU := false + + // buf[2] is safe here, because having M or m found means we have at + // least 3 bytes in a string + if buf[2] == '<' { + buf = buf[3:mi] + } else { + isU = true + buf = buf[2:mi] + } + + s1 := strings.Index(buf, ";") + s2 := strings.LastIndex(buf, ";") + // not found or only one ';' + if s1 == -1 || s2 == -1 || s1 == s2 { + return 0, false + } + + n1, err := strconv.ParseInt(buf[0:s1], 10, 64) + if err != nil { + return 0, false + } + n2, err := strconv.ParseInt(buf[s1+1:s2], 10, 64) + if err != nil { + return 0, false + } + n3, err := strconv.ParseInt(buf[s2+1:], 10, 64) + if err != nil { + return 0, false + } + + // on urxvt, first number is encoded exactly as in X10, but we need to + // make it zero-based, on xterm it is zero-based already + if isU { + n1 -= 32 + } + switch n1 & 3 { + case 0: + if n1&64 != 0 { + event.Key = MouseWheelUp + } else { + event.Key = MouseLeft + } + case 1: + if n1&64 != 0 { + event.Key = MouseWheelDown + } else { + event.Key = MouseMiddle + } + case 2: + event.Key = MouseRight + case 3: + event.Key = MouseRelease + default: + return mi + 1, false + } + if !isM { + // on xterm mouse release is signaled by lowercase m + event.Key = MouseRelease + } + + event.Type = EventMouse // KeyEvent by default + if n1&32 != 0 { + event.Mod |= ModMotion + } + + event.MouseX = int(n2) - 1 + event.MouseY = int(n3) - 1 + return mi + 1, true + } + + return 0, false +} + +func parse_escape_sequence(event *Event, buf []byte) (int, bool) { + bufstr := string(buf) + for i, key := range keys { + if strings.HasPrefix(bufstr, key) { + event.Ch = 0 + event.Key = Key(0xFFFF - i) + return len(key), true + } + } + + // if none of the keys match, let's try mouse sequences + return parse_mouse_event(event, bufstr) +} + +func extract_raw_event(data []byte, event *Event) bool { + if len(inbuf) == 0 { + return false + } + + n := len(data) + if n == 0 { + return false + } + + n = copy(data, inbuf) + copy(inbuf, inbuf[n:]) + inbuf = inbuf[:len(inbuf)-n] + + event.N = n + event.Type = EventRaw + return true +} + +func extract_event(inbuf []byte, event *Event, allow_esc_wait bool) extract_event_res { + if len(inbuf) == 0 { + event.N = 0 + return event_not_extracted + } + + if inbuf[0] == '\033' { + // possible escape sequence + if n, ok := parse_escape_sequence(event, inbuf); n != 0 { + event.N = n + if ok { + return event_extracted + } else { + return event_not_extracted + } + } + + // possible partially read escape sequence; trigger a wait if appropriate + if enable_wait_for_escape_sequence() && allow_esc_wait { + event.N = 0 + return esc_wait + } + + // it's not escape sequence, then it's Alt or Esc, check input_mode + switch { + case input_mode&InputEsc != 0: + // if we're in escape mode, fill Esc event, pop buffer, return success + event.Ch = 0 + event.Key = KeyEsc + event.Mod = 0 + event.N = 1 + return event_extracted + case input_mode&InputAlt != 0: + // if we're in alt mode, set Alt modifier to event and redo parsing + event.Mod = ModAlt + status := extract_event(inbuf[1:], event, false) + if status == event_extracted { + event.N++ + } else { + event.N = 0 + } + return status + default: + panic("unreachable") + } + } + + // if we're here, this is not an escape sequence and not an alt sequence + // so, it's a FUNCTIONAL KEY or a UNICODE character + + // first of all check if it's a functional key + if Key(inbuf[0]) <= KeySpace || Key(inbuf[0]) == KeyBackspace2 { + // fill event, pop buffer, return success + event.Ch = 0 + event.Key = Key(inbuf[0]) + event.N = 1 + return event_extracted + } + + // the only possible option is utf8 rune + if r, n := utf8.DecodeRune(inbuf); r != utf8.RuneError { + event.Ch = r + event.Key = 0 + event.N = n + return event_extracted + } + + return event_not_extracted +} + +func fcntl(fd int, cmd int, arg int) (val int, err error) { + r, _, e := syscall.Syscall(syscall.SYS_FCNTL, uintptr(fd), uintptr(cmd), + uintptr(arg)) + val = int(r) + if e != 0 { + err = e + } + return +} diff --git a/vendor/github.com/jesseduffield/termbox-go/termbox_common.go b/vendor/github.com/jesseduffield/termbox-go/termbox_common.go new file mode 100644 index 000000000..c3355cc25 --- /dev/null +++ b/vendor/github.com/jesseduffield/termbox-go/termbox_common.go @@ -0,0 +1,59 @@ +package termbox + +// private API, common OS agnostic part + +type cellbuf struct { + width int + height int + cells []Cell +} + +func (this *cellbuf) init(width, height int) { + this.width = width + this.height = height + this.cells = make([]Cell, width*height) +} + +func (this *cellbuf) resize(width, height int) { + if this.width == width && this.height == height { + return + } + + oldw := this.width + oldh := this.height + oldcells := this.cells + + this.init(width, height) + this.clear() + + minw, minh := oldw, oldh + + if width < minw { + minw = width + } + if height < minh { + minh = height + } + + for i := 0; i < minh; i++ { + srco, dsto := i*oldw, i*width + src := oldcells[srco : srco+minw] + dst := this.cells[dsto : dsto+minw] + copy(dst, src) + } +} + +func (this *cellbuf) clear() { + for i := range this.cells { + c := &this.cells[i] + c.Ch = ' ' + c.Fg = foreground + c.Bg = background + } +} + +const cursor_hidden = -1 + +func is_cursor_hidden(x, y int) bool { + return x == cursor_hidden || y == cursor_hidden +} diff --git a/vendor/github.com/jesseduffield/termbox-go/termbox_windows.go b/vendor/github.com/jesseduffield/termbox-go/termbox_windows.go new file mode 100644 index 000000000..7752a175b --- /dev/null +++ b/vendor/github.com/jesseduffield/termbox-go/termbox_windows.go @@ -0,0 +1,915 @@ +package termbox + +import "math" +import "syscall" +import "unsafe" +import "unicode/utf16" +import "github.com/mattn/go-runewidth" + +type ( + wchar uint16 + short int16 + dword uint32 + word uint16 + char_info struct { + char wchar + attr word + } + coord struct { + x short + y short + } + small_rect struct { + left short + top short + right short + bottom short + } + console_screen_buffer_info struct { + size coord + cursor_position coord + attributes word + window small_rect + maximum_window_size coord + } + console_cursor_info struct { + size dword + visible int32 + } + input_record struct { + event_type word + _ [2]byte + event [16]byte + } + key_event_record struct { + key_down int32 + repeat_count word + virtual_key_code word + virtual_scan_code word + unicode_char wchar + control_key_state dword + } + window_buffer_size_record struct { + size coord + } + mouse_event_record struct { + mouse_pos coord + button_state dword + control_key_state dword + event_flags dword + } + console_font_info struct { + font uint32 + font_size coord + } +) + +const ( + mouse_lmb = 0x1 + mouse_rmb = 0x2 + mouse_mmb = 0x4 | 0x8 | 0x10 + SM_CXMIN = 28 + SM_CYMIN = 29 +) + +func (this coord) uintptr() uintptr { + return uintptr(*(*int32)(unsafe.Pointer(&this))) +} + +var kernel32 = syscall.NewLazyDLL("kernel32.dll") +var moduser32 = syscall.NewLazyDLL("user32.dll") +var is_cjk = runewidth.IsEastAsian() + +var ( + proc_set_console_active_screen_buffer = kernel32.NewProc("SetConsoleActiveScreenBuffer") + proc_set_console_screen_buffer_size = kernel32.NewProc("SetConsoleScreenBufferSize") + proc_create_console_screen_buffer = kernel32.NewProc("CreateConsoleScreenBuffer") + proc_get_console_screen_buffer_info = kernel32.NewProc("GetConsoleScreenBufferInfo") + proc_write_console_output = kernel32.NewProc("WriteConsoleOutputW") + proc_write_console_output_character = kernel32.NewProc("WriteConsoleOutputCharacterW") + proc_write_console_output_attribute = kernel32.NewProc("WriteConsoleOutputAttribute") + proc_set_console_cursor_info = kernel32.NewProc("SetConsoleCursorInfo") + proc_set_console_cursor_position = kernel32.NewProc("SetConsoleCursorPosition") + proc_get_console_cursor_info = kernel32.NewProc("GetConsoleCursorInfo") + proc_read_console_input = kernel32.NewProc("ReadConsoleInputW") + proc_get_console_mode = kernel32.NewProc("GetConsoleMode") + proc_set_console_mode = kernel32.NewProc("SetConsoleMode") + proc_fill_console_output_character = kernel32.NewProc("FillConsoleOutputCharacterW") + proc_fill_console_output_attribute = kernel32.NewProc("FillConsoleOutputAttribute") + proc_create_event = kernel32.NewProc("CreateEventW") + proc_wait_for_multiple_objects = kernel32.NewProc("WaitForMultipleObjects") + proc_set_event = kernel32.NewProc("SetEvent") + proc_get_current_console_font = kernel32.NewProc("GetCurrentConsoleFont") + get_system_metrics = moduser32.NewProc("GetSystemMetrics") +) + +func set_console_active_screen_buffer(h syscall.Handle) (err error) { + r0, _, e1 := syscall.Syscall(proc_set_console_active_screen_buffer.Addr(), + 1, uintptr(h), 0, 0) + if int(r0) == 0 { + if e1 != 0 { + err = error(e1) + } else { + err = syscall.EINVAL + } + } + return +} + +func set_console_screen_buffer_size(h syscall.Handle, size coord) (err error) { + r0, _, e1 := syscall.Syscall(proc_set_console_screen_buffer_size.Addr(), + 2, uintptr(h), size.uintptr(), 0) + if int(r0) == 0 { + if e1 != 0 { + err = error(e1) + } else { + err = syscall.EINVAL + } + } + return +} + +func create_console_screen_buffer() (h syscall.Handle, err error) { + r0, _, e1 := syscall.Syscall6(proc_create_console_screen_buffer.Addr(), + 5, uintptr(generic_read|generic_write), 0, 0, console_textmode_buffer, 0, 0) + if int(r0) == 0 { + if e1 != 0 { + err = error(e1) + } else { + err = syscall.EINVAL + } + } + return syscall.Handle(r0), err +} + +func get_console_screen_buffer_info(h syscall.Handle, info *console_screen_buffer_info) (err error) { + r0, _, e1 := syscall.Syscall(proc_get_console_screen_buffer_info.Addr(), + 2, uintptr(h), uintptr(unsafe.Pointer(info)), 0) + if int(r0) == 0 { + if e1 != 0 { + err = error(e1) + } else { + err = syscall.EINVAL + } + } + return +} + +func write_console_output(h syscall.Handle, chars []char_info, dst small_rect) (err error) { + tmp_coord = coord{dst.right - dst.left + 1, dst.bottom - dst.top + 1} + tmp_rect = dst + r0, _, e1 := syscall.Syscall6(proc_write_console_output.Addr(), + 5, uintptr(h), uintptr(unsafe.Pointer(&chars[0])), tmp_coord.uintptr(), + tmp_coord0.uintptr(), uintptr(unsafe.Pointer(&tmp_rect)), 0) + if int(r0) == 0 { + if e1 != 0 { + err = error(e1) + } else { + err = syscall.EINVAL + } + } + return +} + +func write_console_output_character(h syscall.Handle, chars []wchar, pos coord) (err error) { + r0, _, e1 := syscall.Syscall6(proc_write_console_output_character.Addr(), + 5, uintptr(h), uintptr(unsafe.Pointer(&chars[0])), uintptr(len(chars)), + pos.uintptr(), uintptr(unsafe.Pointer(&tmp_arg)), 0) + if int(r0) == 0 { + if e1 != 0 { + err = error(e1) + } else { + err = syscall.EINVAL + } + } + return +} + +func write_console_output_attribute(h syscall.Handle, attrs []word, pos coord) (err error) { + r0, _, e1 := syscall.Syscall6(proc_write_console_output_attribute.Addr(), + 5, uintptr(h), uintptr(unsafe.Pointer(&attrs[0])), uintptr(len(attrs)), + pos.uintptr(), uintptr(unsafe.Pointer(&tmp_arg)), 0) + if int(r0) == 0 { + if e1 != 0 { + err = error(e1) + } else { + err = syscall.EINVAL + } + } + return +} + +func set_console_cursor_info(h syscall.Handle, info *console_cursor_info) (err error) { + r0, _, e1 := syscall.Syscall(proc_set_console_cursor_info.Addr(), + 2, uintptr(h), uintptr(unsafe.Pointer(info)), 0) + if int(r0) == 0 { + if e1 != 0 { + err = error(e1) + } else { + err = syscall.EINVAL + } + } + return +} + +func get_console_cursor_info(h syscall.Handle, info *console_cursor_info) (err error) { + r0, _, e1 := syscall.Syscall(proc_get_console_cursor_info.Addr(), + 2, uintptr(h), uintptr(unsafe.Pointer(info)), 0) + if int(r0) == 0 { + if e1 != 0 { + err = error(e1) + } else { + err = syscall.EINVAL + } + } + return +} + +func set_console_cursor_position(h syscall.Handle, pos coord) (err error) { + r0, _, e1 := syscall.Syscall(proc_set_console_cursor_position.Addr(), + 2, uintptr(h), pos.uintptr(), 0) + if int(r0) == 0 { + if e1 != 0 { + err = error(e1) + } else { + err = syscall.EINVAL + } + } + return +} + +func read_console_input(h syscall.Handle, record *input_record) (err error) { + r0, _, e1 := syscall.Syscall6(proc_read_console_input.Addr(), + 4, uintptr(h), uintptr(unsafe.Pointer(record)), 1, uintptr(unsafe.Pointer(&tmp_arg)), 0, 0) + if int(r0) == 0 { + if e1 != 0 { + err = error(e1) + } else { + err = syscall.EINVAL + } + } + return +} + +func get_console_mode(h syscall.Handle, mode *dword) (err error) { + r0, _, e1 := syscall.Syscall(proc_get_console_mode.Addr(), + 2, uintptr(h), uintptr(unsafe.Pointer(mode)), 0) + if int(r0) == 0 { + if e1 != 0 { + err = error(e1) + } else { + err = syscall.EINVAL + } + } + return +} + +func set_console_mode(h syscall.Handle, mode dword) (err error) { + r0, _, e1 := syscall.Syscall(proc_set_console_mode.Addr(), + 2, uintptr(h), uintptr(mode), 0) + if int(r0) == 0 { + if e1 != 0 { + err = error(e1) + } else { + err = syscall.EINVAL + } + } + return +} + +func fill_console_output_character(h syscall.Handle, char wchar, n int) (err error) { + r0, _, e1 := syscall.Syscall6(proc_fill_console_output_character.Addr(), + 5, uintptr(h), uintptr(char), uintptr(n), tmp_coord.uintptr(), + uintptr(unsafe.Pointer(&tmp_arg)), 0) + if int(r0) == 0 { + if e1 != 0 { + err = error(e1) + } else { + err = syscall.EINVAL + } + } + return +} + +func fill_console_output_attribute(h syscall.Handle, attr word, n int) (err error) { + r0, _, e1 := syscall.Syscall6(proc_fill_console_output_attribute.Addr(), + 5, uintptr(h), uintptr(attr), uintptr(n), tmp_coord.uintptr(), + uintptr(unsafe.Pointer(&tmp_arg)), 0) + if int(r0) == 0 { + if e1 != 0 { + err = error(e1) + } else { + err = syscall.EINVAL + } + } + return +} + +func create_event() (out syscall.Handle, err error) { + r0, _, e1 := syscall.Syscall6(proc_create_event.Addr(), + 4, 0, 0, 0, 0, 0, 0) + if int(r0) == 0 { + if e1 != 0 { + err = error(e1) + } else { + err = syscall.EINVAL + } + } + return syscall.Handle(r0), err +} + +func wait_for_multiple_objects(objects []syscall.Handle) (err error) { + r0, _, e1 := syscall.Syscall6(proc_wait_for_multiple_objects.Addr(), + 4, uintptr(len(objects)), uintptr(unsafe.Pointer(&objects