diff options
Diffstat (limited to 'src/tui/tui.go')
| -rw-r--r-- | src/tui/tui.go | 250 |
1 files changed, 250 insertions, 0 deletions
diff --git a/src/tui/tui.go b/src/tui/tui.go new file mode 100644 index 00000000..a33baa4a --- /dev/null +++ b/src/tui/tui.go @@ -0,0 +1,250 @@ +package tui + +import ( + "time" +) + +// Types of user action +const ( + Rune = iota + + CtrlA + CtrlB + CtrlC + CtrlD + CtrlE + CtrlF + CtrlG + CtrlH + Tab + CtrlJ + CtrlK + CtrlL + CtrlM + CtrlN + CtrlO + CtrlP + CtrlQ + CtrlR + CtrlS + CtrlT + CtrlU + CtrlV + CtrlW + CtrlX + CtrlY + CtrlZ + ESC + + Invalid + Mouse + DoubleClick + + BTab + BSpace + + Del + PgUp + PgDn + + Up + Down + Left + Right + Home + End + + SLeft + SRight + + F1 + F2 + F3 + F4 + F5 + F6 + F7 + F8 + F9 + F10 + + AltEnter + AltSpace + AltSlash + AltBS + AltA + AltB + AltC + AltD + AltE + AltF + + AltZ = AltA + 'z' - 'a' +) + +const ( + doubleClickDuration = 500 * time.Millisecond +) + +type Color int16 + +const ( + colUndefined Color = -2 + colDefault = -1 +) + +const ( + colBlack Color = iota + colRed + colGreen + colYellow + colBlue + colMagenta + colCyan + colWhite +) + +type ColorTheme struct { + Fg Color + Bg Color + DarkBg Color + Prompt Color + Match Color + Current Color + CurrentMatch Color + Spinner Color + Info Color + Cursor Color + Selected Color + Header Color + Border Color +} + +type Event struct { + Type int + Char rune + MouseEvent *MouseEvent +} + +type MouseEvent struct { + Y int + X int + S int + Down bool + Double bool + Mod bool +} + +var ( + _buf []byte + _color bool + _prevDownTime time.Time + _clickY []int + Default16 *ColorTheme + Dark256 *ColorTheme + Light256 *ColorTheme +) + +type Window struct { + impl *WindowImpl + Top int + Left int + Width int + Height int +} + +func EmptyTheme() *ColorTheme { + return &ColorTheme{ + Fg: colUndefined, + Bg: colUndefined, + DarkBg: colUndefined, + Prompt: colUndefined, + Match: colUndefined, + Current: colUndefined, + CurrentMatch: colUndefined, + Spinner: colUndefined, + Info: colUndefined, + Cursor: colUndefined, + Selected: colUndefined, + Header: colUndefined, + Border: colUndefined} +} + +func init() { + _prevDownTime = time.Unix(0, 0) + _clickY = []int{} + Default16 = &ColorTheme{ + Fg: colDefault, + Bg: colDefault, + DarkBg: colBlack, + Prompt: colBlue, + Match: colGreen, + Current: colYellow, + CurrentMatch: colGreen, + Spinner: colGreen, + Info: colWhite, + Cursor: colRed, + Selected: colMagenta, + Header: colCyan, + Border: colBlack} + Dark256 = &ColorTheme{ + Fg: colDefault, + Bg: colDefault, + DarkBg: 236, + Prompt: 110, + Match: 108, + Current: 254, + CurrentMatch: 151, + Spinner: 148, + Info: 144, + Cursor: 161, + Selected: 168, + Header: 109, + Border: 59} + Light256 = &ColorTheme{ + Fg: colDefault, + Bg: colDefault, + DarkBg: 251, + Prompt: 25, + Match: 66, + Current: 237, + CurrentMatch: 23, + Spinner: 65, + Info: 101, + Cursor: 161, + Selected: 168, + Header: 31, + Border: 145} +} + +func InitTheme(theme *ColorTheme, black bool) { + _color = theme != nil + if !_color { + return + } + + baseTheme := DefaultTheme() + if black { + theme.Bg = colBlack + } + + o := func(a Color, b Color) Color { + if b == colUndefined { + return a + } + return b + } + theme.Fg = o(baseTheme.Fg, theme.Fg) + theme.Bg = o(baseTheme.Bg, theme.Bg) + theme.DarkBg = o(baseTheme.DarkBg, theme.DarkBg) + theme.Prompt = o(baseTheme.Prompt, theme.Prompt) + theme.Match = o(baseTheme.Match, theme.Match) + theme.Current = o(baseTheme.Current, theme.Current) + theme.CurrentMatch = o(baseTheme.CurrentMatch, theme.CurrentMatch) + theme.Spinner = o(baseTheme.Spinner, theme.Spinner) + theme.Info = o(baseTheme.Info, theme.Info) + theme.Cursor = o(baseTheme.Cursor, theme.Cursor) + theme.Selected = o(baseTheme.Selected, theme.Selected) + theme.Header = o(baseTheme.Header, theme.Header) + theme.Border = o(baseTheme.Border, theme.Border) +} |