//go:build tcell || windows
package tui
import (
"os"
"time"
"github.com/gdamore/tcell/v2"
"github.com/gdamore/tcell/v2/encoding"
"github.com/junegunn/fzf/src/util"
"github.com/mattn/go-runewidth"
"github.com/rivo/uniseg"
)
func HasFullscreenRenderer() bool {
return true
}
var DefaultBorderShape BorderShape = BorderSharp
func asTcellColor(color Color) tcell.Color {
if color == colDefault {
return tcell.ColorDefault
}
value := uint64(tcell.ColorValid) + uint64(color)
if color.is24() {
value = value | uint64(tcell.ColorIsRGB)
}
return tcell.Color(value)
}
func (p ColorPair) style() tcell.Style {
style := tcell.StyleDefault
return style.Foreground(asTcellColor(p.Fg())).Background(asTcellColor(p.Bg()))
}
type Attr int32
type TcellWindow struct {
color bool
preview bool
top int
left int
width int
height int
normal ColorPair
lastX int
lastY int
moveCursor bool
borderStyle BorderStyle
}
func (w *TcellWindow) Top() int {
return w.top
}
func (w *TcellWindow) Left() int {
return w.left
}
func (w *TcellWindow) Width() int {
return w.width
}
func (w *TcellWindow) Height() int {
return w.height
}
func (w *TcellWindow) Refresh() {
if w.moveCursor {
_screen.ShowCursor(w.left+w.lastX, w.top+w.lastY)
w.moveCursor = false
}
w.lastX = 0
w.lastY = 0
}
func (w *TcellWindow) FinishFill() {
// NO-OP
}
const (
Bold Attr = Attr(tcell.AttrBold)
Dim = Attr(tcell.AttrDim)
Blink = Attr(tcell.AttrBlink)
Reverse = Attr(tcell.AttrReverse)
Underline = Attr(tcell.AttrUnderline)
StrikeThrough = Attr(tcell.AttrStrikeThrough)
Italic = Attr(tcell.AttrItalic)
)
const (
AttrUndefined = Attr(0)
AttrRegular = Attr(1 << 7)
AttrClear = Attr(1 << 8)
)
func (r *FullscreenRenderer) PassThrough(str string) {
// No-op
// https://github.com/gdamore/tcell/issues/363#issuecomment-680665073
}
func (r *FullscreenRenderer) Resize(maxHeightFunc func(int) int) {}
func (r *FullscreenRenderer) defaultTheme() *ColorTheme {
if _screen.Colors() >= 256 {
return Dark256
}
return Default16
}
var (
_colorToAttribute = []tcell.Color{
tcell.ColorBlack,
tcell.ColorRed,
tcell.ColorGreen,
tcell.ColorYellow,
tcell.ColorBlue,
tcell.ColorDarkMagenta,
tcell.ColorLightCyan,
tcell.ColorWhite,
}
)
func (c Color) Style() tcell.Color {
if c <= colDefault {
return tcell.ColorDefault
} else if c >= colBlack && c <= colWhite {
return _colorToAttribute[int(c)]
} else {
return tcell.Color(c)
}
}
func (a Attr) Merge(b Attr) Attr {
return a | b
}
// handle the following as private members of FullscreenRenderer instance
// they are declared here to prevent introducing tcell library in non-windows builds
var (
_screen tcell.Screen
_prevMouseButton tcell.ButtonMask
)
func (r *FullscreenRenderer) initScreen() {
s, e := tcell.NewScreen()
if e != nil {
errorExit(e.Error())
}
if e = s.Init(); e != nil {
errorExit(e.Error())
}
if r.mouse {
s.EnableMouse()
} else {
s.DisableMouse()
}
_screen = s
}
func (r *FullscreenRenderer) Init() {
if os.Getenv("TERM") == "cygwin" {
os.Setenv("TERM", "")
}
encoding.Register()
r.initScreen()
initTheme(r.theme, r.defaultTheme(), r.forceBlack)
}
func (r *FullscreenRenderer) MaxX() int {
ncols, _ := _screen.Size()
return int(ncols)
}
func (r *FullscreenRenderer) MaxY() int {
_, nlines := _screen.Size()
return int(nlines)
}
func (w *TcellWindow) X() int {
return w.lastX
}
func (w *TcellWindow) Y() int {
return w.lastY
}
func (r *FullscreenRenderer) Clear() {
_screen.Sync()
_screen.Clear()
}
func (r *FullscreenRenderer) NeedScrollbarRedraw() bool {
return