1 files changed, 590 insertions, 0 deletions
diff --git a/vendor/github.com/muesli/termenv/screen.go b/vendor/github.com/muesli/termenv/screen.go
new file mode 100644
index 0000000..75c11d0
--- /dev/null
+++ b/vendor/github.com/muesli/termenv/screen.go
@@ -0,0 +1,590 @@
+package termenv
+
+import (
+	"fmt"
+	"strings"
+)
+
+// Sequence definitions.
+const (
+	// Cursor positioning.
+	CursorUpSeq              = "%dA"
+	CursorDownSeq            = "%dB"
+	CursorForwardSeq         = "%dC"
+	CursorBackSeq            = "%dD"
+	CursorNextLineSeq        = "%dE"
+	CursorPreviousLineSeq    = "%dF"
+	CursorHorizontalSeq      = "%dG"
+	CursorPositionSeq        = "%d;%dH"
+	EraseDisplaySeq          = "%dJ"
+	EraseLineSeq             = "%dK"
+	ScrollUpSeq              = "%dS"
+	ScrollDownSeq            = "%dT"
+	SaveCursorPositionSeq    = "s"
+	RestoreCursorPositionSeq = "u"
+	ChangeScrollingRegionSeq = "%d;%dr"
+	InsertLineSeq            = "%dL"
+	DeleteLineSeq            = "%dM"
+
+	// Explicit values for EraseLineSeq.
+	EraseLineRightSeq  = "0K"
+	EraseLineLeftSeq   = "1K"
+	EraseEntireLineSeq = "2K"
+
+	// Mouse.
+	EnableMousePressSeq         = "?9h" // press only (X10)
+	DisableMousePressSeq        = "?9l"
+	EnableMouseSeq              = "?1000h" // press, release, wheel
+	DisableMouseSeq             = "?1000l"
+	EnableMouseHiliteSeq        = "?1001h" // highlight
+	DisableMouseHiliteSeq       = "?1001l"
+	EnableMouseCellMotionSeq    = "?1002h" // press, release, move on pressed, wheel
+	DisableMouseCellMotionSeq   = "?1002l"
+	EnableMouseAllMotionSeq     = "?1003h" // press, release, move, wheel
+	DisableMouseAllMotionSeq    = "?1003l"
+	EnableMouseExtendedModeSeq  = "?1006h" // press, release, move, wheel, extended coordinates
+	DisableMouseExtendedModeSeq = "?1006l"
+	EnableMousePixelsModeSeq    = "?1016h" // press, release, move, wheel, extended pixel coordinates
+	DisableMousePixelsModeSeq   = "?1016l"
+
+	// Screen.
+	RestoreScreenSeq = "?47l"
+	SaveScreenSeq    = "?47h"
+	AltScreenSeq     = "?1049h"
+	ExitAltScreenSeq = "?1049l"
+
+	// Bracketed paste.
+	// https://en.wikipedia.org/wiki/Bracketed-paste
+	EnableBracketedPasteSeq  = "?2004h"
+	DisableBracketedPasteSeq = "?2004l"
+	StartBracketedPasteSeq   = "200~"
+	EndBracketedPasteSeq     = "201~"
+
+	// Session.
+	SetWindowTitleSeq     = "2;%s" + string(BEL)
+	SetForegroundColorSeq = "10;%s" + string(BEL)
+	SetBackgroundColorSeq = "11;%s" + string(BEL)
+	SetCursorColorSeq     = "12;%s" + string(BEL)
+	ShowCursorSeq         = "?25h"
+	HideCursorSeq         = "?25l"
+)
+
+// Reset the terminal to its default style, removing any active styles.
+func (o Output) Reset() {
+	fmt.Fprint(o.w, CSI+ResetSeq+"m") //nolint:errcheck
+}
+
+// SetForegroundColor sets the default foreground color.
+func (o Output) SetForegroundColor(color Color) {
+	fmt.Fprintf(o.w, OSC+SetForegroundColorSeq, color) //nolint:errcheck
+}
+
+// SetBackgroundColor sets the default background color.
+func (o Output) SetBackgroundColor(color Color) {
+	fmt.Fprintf(o.w, OSC+SetBackgroundColorSeq, color) //nolint:errcheck
+}
+
+// SetCursorColor sets the cursor color.
+func (o Output) SetCursorColor(color Color) {
+	fmt.Fprintf(o.w, OSC+SetCursorColorSeq, color) //nolint:errcheck
+}
+
+// RestoreScreen restores a previously saved screen state.
+func (o Output) RestoreScreen() {
+	fmt.Fprint(o.w, CSI+RestoreScreenSeq) //nolint:errcheck
+}
+
+// SaveScreen saves the screen state.
+func (o Output) SaveScreen() {
+	fmt.Fprint(o.w, CSI+SaveScreenSeq) //nolint:errcheck
+}
+
+// AltScreen switches to the alternate screen buffer. The former view can be
+// restored with ExitAltScreen().
+func (o Output) AltScreen() {
+	fmt.Fprint(o.w, CSI+AltScreenSeq) //nolint:errcheck
+}
+
+// ExitAltScreen exits the alternate screen buffer and returns to the former
+// terminal view.
+func (o Output) ExitAltScreen() {
+	fmt.Fprint(o.w, CSI+ExitAltScreenSeq) //nolint:errcheck
+}
+
+// ClearScreen clears the visible portion of the terminal.
+func (o Output) ClearScreen() {
+	fmt.Fprintf(o.w, CSI+EraseDisplaySeq, 2) //nolint:errcheck,mnd
+	o.MoveCursor(1, 1)
+}
+
+// MoveCursor moves the cursor to a given position.
+func (o Output) MoveCursor(row int, column int) {
+	fmt.Fprintf(o.w, CSI+CursorPositionSeq, row, column) //nolint:errcheck
+}
+
+// HideCursor hides the cursor.
+func (o Output) HideCursor() {
+	fmt.Fprint(o.w, CSI+HideCursorSeq) //nolint:errcheck
+}
+
+// ShowCursor shows the cursor.
+func (o Output) ShowCursor() {
+	fmt.Fprint(o.w, CSI+ShowCursorSeq) //nolint:errcheck
+}
+
+// SaveCursorPosition saves the cursor position.
+func (o Output) SaveCursorPosition() {
+	fmt.Fprint(o.w, CSI+SaveCursorPositionSeq) //nolint:errcheck
+}
+
+// RestoreCursorPosition restores a saved cursor position.
+func (o Output) RestoreCursorPosition() {
+	fmt.Fprint(o.w, CSI+RestoreCursorPositionSeq) //nolint:errcheck
+}
+
+// CursorUp moves the cursor up a given number of lines.
+func (o Output) CursorUp(n int) {
+	fmt.Fprintf(o.w, CSI+CursorUpSeq, n) //nolint:errcheck
+}
+
+// CursorDown moves the cursor down a given number of lines.
+func (o Output) CursorDown(n int) {
+	fmt.Fprintf(o.w, CSI+CursorDownSeq, n) //nolint:errcheck
+}
+
+// CursorForward moves the cursor up a given number of lines.
+func (o Output) CursorForward(n int) {
+	fmt.Fprintf(o.w, CSI+CursorForwardSeq, n) //nolint:errcheck
+}
+
+// CursorBack moves the cursor backwards a given number of cells.
+func (o Output) CursorBack(n int) {
+	fmt.Fprintf(o.w, CSI+CursorBackSeq, n) //nolint:errcheck
+}
+
+// CursorNextLine moves the cursor down a given number of lines and places it at
+// the beginning of the line.
+func (o Output) CursorNextLine(n int) {
+	fmt.Fprintf(o.w, CSI+CursorNextLineSeq, n) //nolint:errcheck
+}
+
+// CursorPrevLine moves the cursor up a given number of lines and places it at
+// the beginning of the line.
+func (o Output) CursorPrevLine(n int) {
+	fmt.Fprintf(o.w, CSI+CursorPreviousLineSeq, n) //nolint:errcheck
+}
+
+// ClearLine clears the current line.
+func (o Output) ClearLine() {
+	fmt.Fprint(o.w, CSI+EraseEntireLineSeq) //nolint:errcheck
+}
+
+// ClearLineLeft clears the line to the left of the cursor.
+func (o Output) ClearLineLeft() {
+	fmt.Fprint(o.w, CSI+EraseLineLeftSeq) //nolint:errcheck
+}
+
+// ClearLineRight clears the line to the right of the cursor.
+func (o Output) ClearLineRight() {
+	fmt.Fprint(o.w, CSI+EraseLineRightSeq) //nolint:errcheck
+}
+
+// ClearLines clears a given number of lines.
+func (o Output) ClearLines(n int) {
+	clearLine := fmt.Sprintf(CSI+EraseLineSeq, 2) //nolint:mnd
+	cursorUp := fmt.Sprintf(CSI+CursorUpSeq, 1)
+	fmt.Fprint(o.w, clearLine+strings.Repeat(cursorUp+clearLine, n)) //nolint:errcheck
+}
+
+// ChangeScrollingRegion sets the scrolling region of the terminal.
+func (o Output) ChangeScrollingRegion(top, bottom int) {
+	fmt.Fprintf(o.w, CSI+ChangeScrollingRegionSeq, top, bottom) //nolint:errcheck
+}
+
+// InsertLines inserts the given number of lines at the top of the scrollable
+// region, pushing lines below down.
+func (o Output) InsertLines(n int) {
+	fmt.Fprintf(o.w, CSI+InsertLineSeq, n) //nolint:errcheck
+}
+
+// DeleteLines deletes the given number of lines, pulling any lines in
+// the scrollable region below up.
+func (o Output) DeleteLines(n int) {
+	fmt.Fprintf(o.w, CSI+DeleteLineSeq, n) //nolint:errcheck
+}
+
+// EnableMousePress enables X10 mouse mode. Button press events are sent only.
+func (o Output) EnableMousePress() {
+	fmt.Fprint(o.w, CSI+EnableMousePressSeq) //nolint:errcheck
+}
+
+// DisableMousePress disables X10 mouse mode.
+func (o Output) DisableMousePress() {
+	fmt.Fprint(o.w, CSI+DisableMousePressSeq) //nolint:errcheck
+}
+
+// EnableMouse enables Mouse Tracking mode.
+func (o Output) EnableMouse() {
+	fmt.Fprint(o.w, CSI+EnableMouseSeq) //nolint:errcheck
+}
+
+// DisableMouse disables Mouse Tracking mode.
+func (o Output) DisableMouse() {
+	fmt.Fprint(o.w, CSI+DisableMouseSeq) //nolint:errcheck
+}
+
+// EnableMouseHilite enables Hilite Mouse Tracking mode.
+func (o Output) EnableMouseHilite() {
+	fmt.Fprint(o.w, CSI+EnableMouseHiliteSeq) //nolint:errcheck
+}
+
+// DisableMouseHilite disables Hilite Mouse Tracking mode.
+func (o Output) DisableMouseHilite() {
+	fmt.Fprint(o.w, CSI+DisableMouseHiliteSeq) //nolint:errcheck
+}
+
+// EnableMouseCellMotion enables Cell Motion Mouse Tracking mode.
+func (o Output) EnableMouseCellMotion() {
+	fmt.Fprint(o.w, CSI+EnableMouseCellMotionSeq) //nolint:errcheck
+}
+
+// DisableMouseCellMotion disables Cell Motion Mouse Tracking mode.
+func (o Output) DisableMouseCellMotion() {
+	fmt.Fprint(o.w, CSI+DisableMouseCellMotionSeq) //nolint:errcheck
+}
+
+// EnableMouseAllMotion enables All Motion Mouse mode.
+func (o Output) EnableMouseAllMotion() {
+	fmt.Fprint(o.w, CSI+EnableMouseAllMotionSeq) //nolint:errcheck
+}
+
+// DisableMouseAllMotion disables All Motion Mouse mode.
+func (o Output) DisableMouseAllMotion() {
+	fmt.Fprint(o.w, CSI+DisableMouseAllMotionSeq) //nolint:errcheck
+}
+
+// EnableMouseExtendedMotion enables Extended Mouse mode (SGR). This should be
+// enabled in conjunction with EnableMouseCellMotion, and EnableMouseAllMotion.
+func (o Output) EnableMouseExtendedMode() {
+	fmt.Fprint(o.w, CSI+EnableMouseExtendedModeSeq) //nolint:errcheck
+}
+
+// DisableMouseExtendedMotion disables Extended Mouse mode (SGR).
+func (o Output) DisableMouseExtendedMode() {
+	fmt.Fprint(o.w, CSI+DisableMouseExtendedModeSeq) //nolint:errcheck
+}
+
+// EnableMousePixelsMotion enables Pixel Motion Mouse mode (SGR-Pixels). This
+// should be enabled in conjunction with EnableMouseCellMotion, and
+// EnableMouseAllMotion.
+func (o Output) EnableMousePixelsMode() {
+	fmt.Fprint(o.w, CSI+EnableMousePixelsModeSeq) //nolint:errcheck
+}
+
+// DisableMousePixelsMotion disables Pixel Motion Mouse mode (SGR-Pixels).
+func (o Output) DisableMousePixelsMode() {
+	fmt.Fprint(o.w, CSI+DisableMousePixelsModeSeq) //nolint:errcheck
+}
+
+// SetWindowTitle sets the terminal window title.
+func (o Output) SetWindowTitle(title string) {
+	fmt.Fprintf(o.w, OSC+SetWindowTitleSeq, title) //nolint:errcheck
+}
+
+// EnableBracketedPaste enables bracketed paste.
+func (o Output) EnableBracketedPaste() {
+	fmt.Fprintf(o.w, CSI+EnableBracketedPasteSeq) //nolint:errcheck
+}
+
+// DisableBracketedPaste disables bracketed paste.
+func (o Output) DisableBracketedPaste() {
+	fmt.Fprintf(o.w, CSI+DisableBracketedPasteSeq) //nolint:errcheck
+}
+
+// Legacy functions.
+
+// Reset the terminal to its default style, removing any active styles.
+//
+// Deprecated: please use termenv.Output instead.
+func Reset() {
+	output.Reset()
+}
+
+// SetForegroundColor sets the default foreground color.
+//
+// Deprecated: please use termenv.Output instead.
+func SetForegroundColor(color Color) {
+	output.SetForegroundColor(color)
+}
+
+// SetBackgroundColor sets the default background color.
+//
+// Deprecated: please use termenv.Output instead.
+func SetBackgroundColor(color Color) {
+	output.SetBackgroundColor(color)
+}
+
+// SetCursorColor sets the cursor color.
+//
+// Deprecated: please use termenv.Output instead.
+func SetCursorColor(color Color) {
+	output.SetCursorColor(color)
+}
+
+// RestoreScreen restores a previously saved screen state.
+//
+// Deprecated: please use termenv.Output instead.
+func RestoreScreen() {
+	output.RestoreScreen()
+}
+
+// SaveScreen saves the screen state.
+//
+// Deprecated: please use termenv.Output instead.
+func SaveScreen() {
+	output.SaveScreen()
+}
+
+// AltScreen switches to the alternate screen buffer. The former view can be
+// restored with ExitAltScreen().
+//
+// Deprecated: please use termenv.Output instead.
+func AltScreen() {
+	output.AltScreen()
+}
+
+// ExitAltScreen exits the alternate screen buffer and returns to the former
+// terminal view.
+//
+// Deprecated: please use termenv.Output instead.
+func ExitAltScreen() {
+	output.ExitAltScreen()
+}
+
+// ClearScreen clears the visible portion of the terminal.
+//
+// Deprecated: please use termenv.Output instead.
+func ClearScreen() {
+	output.ClearScreen()
+}
+
+// MoveCursor moves the cursor to a given position.
+//
+// Deprecated: please use termenv.Output instead.
+func MoveCursor(row int, column int) {
+	output.MoveCursor(row, column)
+}
+
+// HideCursor hides the cursor.
+//
+// Deprecated: please use termenv.Output instead.
+func HideCursor() {
+	output.HideCursor()
+}
+
+// ShowCursor shows the cursor.
+//
+// Deprecated: please use termenv.Output instead.
+func ShowCursor() {
+	output.ShowCursor()
+}
+
+// SaveCursorPosition saves the cursor position.
+//
+// Deprecated: please use termenv.Output instead.
+func SaveCursorPosition() {
+	output.SaveCursorPosition()
+}
+
+// RestoreCursorPosition restores a saved cursor position.
+//
+// Deprecated: please use termenv.Output instead.
+func RestoreCursorPosition() {
+	output.RestoreCursorPosition()
+}
+
+// CursorUp moves the cursor up a given number of lines.
+//
+// Deprecated: please use termenv.Output instead.
+func CursorUp(n int) {
+	output.CursorUp(n)
+}
+
+// CursorDown moves the cursor down a given number of lines.
+//
+// Deprecated: please use termenv.Output instead.
+func CursorDown(n int) {
+	output.CursorDown(n)
+}
+
+// CursorForward moves the cursor up a given number of lines.
+//
+// Deprecated: please use termenv.Output instead.
+func CursorForward(n int) {
+	output.CursorForward(n)
+}
+
+// CursorBack moves the cursor backwards a given number of cells.
+//
+// Deprecated: please use termenv.Output instead.
+func CursorBack(n int) {
+	output.CursorBack(n)
+}
+
+// CursorNextLine moves the cursor down a given number of lines and places it at
+// the beginning of the line.
+//
+// Deprecated: please use termenv.Output instead.
+func CursorNextLine(n int) {
+	output.CursorNextLine(n)
+}
+
+// CursorPrevLine moves the cursor up a given number of lines and places it at
+// the beginning of the line.
+//
+// Deprecated: please use termenv.Output instead.
+func CursorPrevLine(n int) {
+	output.CursorPrevLine(n)
+}
+
+// ClearLine clears the current line.
+//
+// Deprecated: please use termenv.Output instead.
+func ClearLine() {
+	output.ClearLine()
+}
+
+// ClearLineLeft clears the line to the left of the cursor.
+//
+// Deprecated: please use termenv.Output instead.
+func ClearLineLeft() {
+	output.ClearLineLeft()
+}
+
+// ClearLineRight clears the line to the right of the cursor.
+//
+// Deprecated: please use termenv.Output instead.
+func ClearLineRight() {
+	output.ClearLineRight()
+}
+
+// ClearLines clears a given number of lines.
+//
+// Deprecated: please use termenv.Output instead.
+func ClearLines(n int) {
+	output.ClearLines(n)
+}
+
+// ChangeScrollingRegion sets the scrolling region of the terminal.
+//
+// Deprecated: please use termenv.Output instead.
+func ChangeScrollingRegion(top, bottom int) {
+	output.ChangeScrollingRegion(top, bottom)
+}
+
+// InsertLines inserts the given number of lines at the top of the scrollable
+// region, pushing lines below down.
+//
+// Deprecated: please use termenv.Output instead.
+func InsertLines(n int) {
+	output.InsertLines(n)
+}
+
+// DeleteLines deletes the given number of lines, pulling any lines in
+// the scrollable region below up.
+//
+// Deprecated: please use termenv.Output instead.
+func DeleteLines(n int) {
+	output.DeleteLines(n)
+}
+
+// EnableMousePress enables X10 mouse mode. Button press events are sent only.
+//
+// Deprecated: please use termenv.Output instead.
+func EnableMousePress() {
+	output.EnableMousePress()
+}
+
+// DisableMousePress disables X10 mouse mode.
+//
+// Deprecated: please use termenv.Output instead.
+func DisableMousePress() {
+	output.DisableMousePress()
+}
+
+// EnableMouse enables Mouse Tracking mode.
+//
+// Deprecated: please use termenv.Output instead.
+func EnableMouse() {
+	output.EnableMouse()
+}
+
+// DisableMouse disables Mouse Tracking mode.
+//
+// Deprecated: please use termenv.Output instead.
+func DisableMouse() {
+	output.DisableMouse()
+}
+
+// EnableMouseHilite enables Hilite Mouse Tracking mode.
+//
+// Deprecated: please use termenv.Output instead.
+func EnableMouseHilite() {
+	output.EnableMouseHilite()
+}
+
+// DisableMouseHilite disables Hilite Mouse Tracking mode.
+//
+// Deprecated: please use termenv.Output instead.
+func DisableMouseHilite() {
+	output.DisableMouseHilite()
+}
+
+// EnableMouseCellMotion enables Cell Motion Mouse Tracking mode.
+//
+// Deprecated: please use termenv.Output instead.
+func EnableMouseCellMotion() {
+	output.EnableMouseCellMotion()
+}
+
+// DisableMouseCellMotion disables Cell Motion Mouse Tracking mode.
+//
+// Deprecated: please use termenv.Output instead.
+func DisableMouseCellMotion() {
+	output.DisableMouseCellMotion()
+}
+
+// EnableMouseAllMotion enables All Motion Mouse mode.
+//
+// Deprecated: please use termenv.Output instead.
+func EnableMouseAllMotion() {
+	output.EnableMouseAllMotion()
+}
+
+// DisableMouseAllMotion disables All Motion Mouse mode.
+//
+// Deprecated: please use termenv.Output instead.
+func DisableMouseAllMotion() {
+	output.DisableMouseAllMotion()
+}
+
+// SetWindowTitle sets the terminal window title.
+//
+// Deprecated: please use termenv.Output instead.
+func SetWindowTitle(title string) {
+	output.SetWindowTitle(title)
+}
+
+// EnableBracketedPaste enables bracketed paste.
+//
+// Deprecated: please use termenv.Output instead.
+func EnableBracketedPaste() {
+	output.EnableBracketedPaste()
+}
+
+// DisableBracketedPaste disables bracketed paste.
+//
+// Deprecated: please use termenv.Output instead.
+func DisableBracketedPaste() {
+	output.DisableBracketedPaste()
+}