From e3e7b3360cd83c20a109ccc550bd0508fc5b1cba Mon Sep 17 00:00:00 2001 From: Junegunn Choi Date: Sat, 2 Sep 2017 03:19:50 +0900 Subject: Delete ncurses implementation --- src/tui/ncurses.go | 505 ----------------------------------------------------- 1 file changed, 505 deletions(-) delete mode 100644 src/tui/ncurses.go (limited to 'src/tui') diff --git a/src/tui/ncurses.go b/src/tui/ncurses.go deleted file mode 100644 index 3263c397..00000000 --- a/src/tui/ncurses.go +++ /dev/null @@ -1,505 +0,0 @@ -// +build ncurses -// +build !windows -// +build !tcell - -package tui - -/* -#include -#include -#cgo !static LDFLAGS: -lncurses -#cgo static LDFLAGS: -l:libncursesw.a -l:libtinfo.a -l:libgpm.a -ldl -#cgo android static LDFLAGS: -l:libncurses.a -fPIE -march=armv7-a -mfpu=neon -mhard-float -Wl,--no-warn-mismatch - -FILE* c_tty() { - return fopen("/dev/tty", "r"); -} - -SCREEN* c_newterm(FILE* tty) { - return newterm(NULL, stderr, tty); -} - -int c_getcurx(WINDOW* win) { - return getcurx(win); -} -*/ -import "C" - -import ( - "os" - "strconv" - "strings" - "time" - "unicode/utf8" -) - -func HasFullscreenRenderer() bool { - return true -} - -type Attr C.uint - -type CursesWindow struct { - impl *C.WINDOW - top int - left int - width int - height int -} - -func (w *CursesWindow) Top() int { - return w.top -} - -func (w *CursesWindow) Left() int { - return w.left -} - -func (w *CursesWindow) Width() int { - return w.width -} - -func (w *CursesWindow) Height() int { - return w.height -} - -func (w *CursesWindow) Refresh() { - C.wnoutrefresh(w.impl) -} - -func (w *CursesWindow) FinishFill() { - // NO-OP -} - -const ( - Bold Attr = C.A_BOLD - Dim = C.A_DIM - Blink = C.A_BLINK - Reverse = C.A_REVERSE - Underline = C.A_UNDERLINE -) - -var Italic Attr = C.A_VERTICAL << 1 // FIXME - -const ( - AttrRegular Attr = 0 -) - -var ( - _screen *C.SCREEN - _colorMap map[int]int16 - _colorFn func(ColorPair, Attr) (C.short, C.int) -) - -func init() { - _colorMap = make(map[int]int16) - if strings.HasPrefix(C.GoString(C.curses_version()), "ncurses 5") { - Italic = C.A_NORMAL - } -} - -func (a Attr) Merge(b Attr) Attr { - return a | b -} - -func (r *FullscreenRenderer) defaultTheme() *ColorTheme { - if C.tigetnum(C.CString("colors")) >= 256 { - return Dark256 - } - return Default16 -} - -func (r *FullscreenRenderer) Init() { - C.setlocale(C.LC_ALL, C.CString("")) - tty := C.c_tty() - if tty == nil { - errorExit("Failed to open /dev/tty") - } - _screen = C.c_newterm(tty) - if _screen == nil { - errorExit("Invalid $TERM: " + os.Getenv("TERM")) - } - C.set_term(_screen) - if r.mouse { - C.mousemask(C.ALL_MOUSE_EVENTS, nil) - C.mouseinterval(0) - } - C.noecho() - C.raw() // stty dsusp undef - C.nonl() - C.keypad(C.stdscr, true) - - delay := 50 - delayEnv := os.Getenv("ESCDELAY") - if len(delayEnv) > 0 { - num, err := strconv.Atoi(delayEnv) - if err == nil && num >= 0 { - delay = num - } - } - C.set_escdelay(C.int(delay)) - - if r.theme != nil { - C.start_color() - initTheme(r.theme, r.defaultTheme(), r.forceBlack) - initPairs(r.theme) - C.bkgd(C.chtype(C.COLOR_PAIR(C.int(ColNormal.index())))) - _colorFn = attrColored - } else { - initTheme(r.theme, nil, r.forceBlack) - _colorFn = attrMono - } - - C.nodelay(C.stdscr, true) - ch := C.getch() - if ch != C.ERR { - C.ungetch(ch) - } - C.nodelay(C.stdscr, false) -} - -func initPairs(theme *ColorTheme) { - C.assume_default_colors(C.int(theme.Fg), C.int(theme.Bg)) - for _, pair := range []ColorPair{ - ColNormal, - ColPrompt, - ColMatch, - ColCurrent, - ColCurrentMatch, - ColSpinner, - ColInfo, - ColCursor, - ColSelected, - ColHeader, - ColBorder} { - C.init_pair(C.short(pair.index()), C.short(pair.Fg()), C.short(pair.Bg())) - } -} - -func (r *FullscreenRenderer) Pause(bool) { - C.endwin() -} - -func (r *FullscreenRenderer) Resume(bool) { -} - -func (r *FullscreenRenderer) Close() { - C.endwin() - C.delscreen(_screen) -} - -func (r *FullscreenRenderer) NewWindow(top int, left int, width int, height int, borderStyle BorderStyle) Window { - win := C.newwin(C.int(height), C.int(width), C.int(top), C.int(left)) - if r.theme != nil { - C.wbkgd(win, C.chtype(C.COLOR_PAIR(C.int(ColNormal.index())))) - } - // FIXME Does not implement BorderHorizontal - if borderStyle != BorderNone { - pair, attr := _colorFn(ColBorder, 0) - C.wcolor_set(win, pair, nil) - C.wattron(win, attr) - C.box(win, 0, 0) - C.wattroff(win, attr) - C.wcolor_set(win, 0, nil) - } - - return &CursesWindow{ - impl: win, - top: top, - left: left, - width: width, - height: height, - } -} - -func attrColored(color ColorPair, a Attr) (C.short, C.int) { - return C.short(color.index()), C.int(a) -} - -func attrMono(color ColorPair, a Attr) (C.short, C.int) { - return 0, C.int(attrFor(color, a)) -} - -func (r *FullscreenRenderer) MaxX() int { - return int(C.COLS) -} - -func (r *FullscreenRenderer) MaxY() int { - return int(C.LINES) -} - -func (w *CursesWindow) Close() { - C.delwin(w.impl) -} - -func (w *CursesWindow) Enclose(y int, x int) bool { - return bool(C.wenclose(w.impl, C.int(y), C.int(x))) -} - -func (w *CursesWindow) Move(y int, x int) { - C.wmove(w.impl, C.int(y), C.int(x)) -} - -func (w *CursesWindow) MoveAndClear(y int, x int) { - w.Move(y, x) - C.wclrtoeol(w.impl) -} - -func (w *CursesWindow) Print(text string) { - C.waddstr(w.impl, C.CString(strings.Map(func(r rune) rune { - if r < 32 { - return -1 - } - return r - }, text))) -} - -func (w *CursesWindow) CPrint(color ColorPair, attr Attr, text string) { - p, a := _colorFn(color, attr) - C.wcolor_set(w.impl, p, nil) - C.wattron(w.impl, a) - w.Print(text) - C.wattroff(w.impl, a) - C.wcolor_set(w.impl, 0, nil) -} - -func (r *FullscreenRenderer) Clear() { - C.clear() - C.endwin() -} - -func (r *FullscreenRenderer) Refresh() { - C.refresh() -} - -func (w *CursesWindow) Erase() { - C.werase(w.impl) -} - -func (w *CursesWindow) X() int { - return int(C.c_getcurx(w.impl)) -} - -func (r *FullscreenRenderer) DoesAutoWrap() bool { - return true -} - -func (r *FullscreenRenderer) IsOptimized() bool { - return true -} - -func (w *CursesWindow) Fill(str string) FillReturn { - if C.waddstr(w.impl, C.CString(str)) == C.OK { - return FillContinue - } - return FillSuspend -} - -func (w *CursesWindow) CFill(fg Color, bg Color, attr Attr, str string) FillReturn { - index := ColorPair{fg, bg, -1}.index() - C.wcolor_set(w.impl, C.short(index), nil) - C.wattron(w.impl, C.int(attr)) - ret := w.Fill(str) - C.wattroff(w.impl, C.int(attr)) - C.wcolor_set(w.impl, 0, nil) - return ret -} - -func (r *FullscreenRenderer) RefreshWindows(windows []Window) { - for _, w := range windows { - w.Refresh() - } - C.doupdate() -} - -func (p ColorPair) index() int16 { - if p.id >= 0 { - return p.id - } - - // ncurses does not support 24-bit colors - if p.is24() { - return ColDefault.index() - } - - key := p.key() - if found, prs := _colorMap[key]; prs { - return found - } - - id := int16(len(_colorMap)) + ColUser.id - C.init_pair(C.short(id), C.short(p.Fg()), C.short(p.Bg())) - _colorMap[key] = id - return id -} - -func consume(expects ...rune) bool { - for _, r := range expects { - if int(C.getch()) != int(r) { - return false - } - } - return true -} - -func escSequence() Event { - C.nodelay(C.stdscr, true) - defer func() { - C.nodelay(C.stdscr, false) - }() - c := C.getch() - switch c { - case C.ERR: - return Event{ESC, 0, nil} - case CtrlM: - return Event{CtrlAltM, 0, nil} - case '/': - return Event{AltSlash, 0, nil} - case ' ': - return Event{AltSpace, 0, nil} - case 127, C.KEY_BACKSPACE: - return Event{AltBS, 0, nil} - case '[': - // Bracketed paste mode (printf "\e[?2004h") - // \e[200~ TEXT \e[201~ - if consume('2', '0', '0', '~') { - return Event{Invalid, 0, nil} - } - } - if c >= 'a' && c <= 'z' { - return Event{AltA + int(c) - 'a', 0, nil} - } - - if c >= '0' && c <= '9' { - return Event{Alt0 + int(c) - '0', 0, nil} - } - - // Don't care. Ignore the rest. - for ; c != C.ERR; c = C.getch() { - } - return Event{Invalid, 0, nil} -} - -func (r *FullscreenRenderer) GetChar() Event { - c := C.getch() - switch c { - case C.ERR: - // Unexpected error from blocking read - r.Close() - errorExit("Failed to read /dev/tty") - case C.KEY_UP: - return Event{Up, 0, nil} - case C.KEY_DOWN: - return Event{Down, 0, nil} - case C.KEY_LEFT: - return Event{Left, 0, nil} - case C.KEY_RIGHT: - return Event{Right, 0, nil} - case C.KEY_HOME: - return Event{Home, 0, nil} - case C.KEY_END: - return Event{End, 0, nil} - case C.KEY_BACKSPACE: - return Event{BSpace, 0, nil} - case C.KEY_F0 + 1: - return Event{F1, 0, nil} - case C.KEY_F0 + 2: - return Event{F2, 0, nil} - case C.KEY_F0 + 3: - return Event{F3, 0, nil} - case C.KEY_F0 + 4: - return Event{F4, 0, nil} - case C.KEY_F0 + 5: - return Event{F5, 0, nil} - case C.KEY_F0 + 6: - return Event{F6, 0, nil} - case C.KEY_F0 + 7: - return Event{F7, 0, nil} - case C.KEY_F0 + 8: - return Event{F8, 0, nil} - case C.KEY_F0 + 9: - return Event{F9, 0, nil} - case C.KEY_F0 + 10: - return Event{F10, 0, nil} - case C.KEY_F0 + 11: - return Event{F11, 0, nil} - case C.KEY_F0 + 12: - return Event{F12, 0, nil} - case C.KEY_DC: - return Event{Del, 0, nil} - case C.KEY_PPAGE: - return Event{PgUp, 0, nil} - case C.KEY_NPAGE: - return Event{PgDn, 0, nil} - case C.KEY_BTAB: - return Event{BTab, 0, nil} - case C.KEY_ENTER: - return Event{CtrlM, 0, nil} - case C.KEY_SLEFT: - return Event{SLeft, 0, nil} - case C.KEY_SRIGHT: - return Event{SRight, 0, nil} - case C.KEY_MOUSE: - var me C.MEVENT - if C.getmouse(&me) != C.ERR { - mod := ((me.bstate & C.BUTTON_SHIFT) | (me.bstate & C.BUTTON_CTRL) | (me.bstate & C.BUTTON_ALT)) > 0 - x := int(me.x) - y := int(me.y) - /* Cannot use BUTTON1_DOUBLE_CLICKED due to mouseinterval(0) */ - if (me.bstate & C.BUTTON1_PRESSED) > 0 { - now := time.Now() - if now.Sub(r.prevDownTime) < doubleClickDuration { - r.clickY = append(r.clickY, y) - } else { - r.clickY = []int{y} - r.prevDownTime = now - } - return Event{Mouse, 0, &MouseEvent{y, x, 0, true, false, mod}} - } else if (me.bstate & C.BUTTON1_RELEASED) > 0 { - double := false - if len(r.clickY) > 1 && r.clickY[0] == r.clickY[1] && - time.Now().Sub(r.prevDownTime) < doubleClickDuration { - double = true - } - return Event{Mouse, 0, &MouseEvent{y, x, 0, false, double, mod}} - } else if (me.bstate&0x8000000) > 0 || (me.bstate&0x80) > 0 { - return Event{Mouse, 0, &MouseEvent{y, x, -1, false, false, mod}} - } else if (me.bstate & C.BUTTON4_PRESSED) > 0 { - return Event{Mouse, 0, &MouseEvent{y, x, 1, false, false, mod}} - } - } - return Event{Invalid, 0, nil} - case C.KEY_RESIZE: - return Event{Resize, 0, nil} - case ESC: - return escSequence() - case 127: - return Event{BSpace, 0, nil} - case 0: - return Event{CtrlSpace, 0, nil} - } - // CTRL-A ~ CTRL-Z - if c >= CtrlA && c <= CtrlZ { - return Event{int(c), 0, nil} - } - - // Multi-byte character - buffer := []byte{byte(c)} - for { - r, _ := utf8.DecodeRune(buffer) - if r != utf8.RuneError { - return Event{Rune, r, nil} - } - - c := C.getch() - if c == C.ERR { - break - } - if c >= C.KEY_CODE_YES { - C.ungetch(c) - break - } - buffer = append(buffer, byte(c)) - } - return Event{Invalid, 0, nil} -} -- cgit v1.2.3