Bump Bubbletea dependency

go.mod

@@ -3,10 +3,11 @@ module github.com/charmbracelet/bubbles
 go 1.13
 
 require (
-	github.com/charmbracelet/bubbletea v0.8.3-0.20200622174044-8bab4bce9a84
+	github.com/charmbracelet/bubbletea v0.9.1-0.20200713153904-2f53eeb54b90
 	github.com/mattn/go-runewidth v0.0.9
-	github.com/muesli/termenv v0.5.3-0.20200617154346-da5de72b61c0
-	golang.org/x/crypto v0.0.0-20200604202706-70a84ac30bf9 // indirect
+	github.com/muesli/termenv v0.5.3-0.20200625163851-04b5c30e4c04
+	golang.org/x/crypto v0.0.0-20200709230013-948cd5f35899 // indirect
+	golang.org/x/sys v0.0.0-20200625212154-ddb9806d33ae // indirect
 )
 
 replace github.com/charmbracelet/bubbletea => ../bubbletea

go.sum

@@ -6,19 +6,21 @@ github.com/mattn/go-isatty v0.0.12 h1:wuysRhFDzyxgEmMf5xjvJ2M9dZoWAXNNr5LSBS7uHX
 github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU=
 github.com/mattn/go-runewidth v0.0.9 h1:Lm995f3rfxdpd6TSmuVCHVb/QhupuXlYr8sCI/QdE+0=
 github.com/mattn/go-runewidth v0.0.9/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI=
-github.com/muesli/termenv v0.5.3-0.20200617154346-da5de72b61c0 h1:IASsj5pQ478TEN9TLiuhP+ugUQEotZ1QdzQvcJUQ1dM=
-github.com/muesli/termenv v0.5.3-0.20200617154346-da5de72b61c0/go.mod h1:O1/I6sw+6KcrgAmcs6uiUVr7Lui+DNVbHTzt9Lm/PlI=
+github.com/muesli/termenv v0.5.3-0.20200625163851-04b5c30e4c04 h1:Wr876oXlAk6avTWi0daXAriOr+r5fqIuyDmtNc/KwY0=
+github.com/muesli/termenv v0.5.3-0.20200625163851-04b5c30e4c04/go.mod h1:O1/I6sw+6KcrgAmcs6uiUVr7Lui+DNVbHTzt9Lm/PlI=
 github.com/pkg/term v0.0.0-20200520122047-c3ffed290a03 h1:pd4YKIqCB0U7O2I4gWHgEUA2mCEOENmco0l/bM957bU=
 github.com/pkg/term v0.0.0-20200520122047-c3ffed290a03/go.mod h1:Z9+Ul5bCbBKnbCvdOWbLqTHhJiYV414CURZJba6L8qA=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
-golang.org/x/crypto v0.0.0-20200510223506-06a226fb4e37 h1:cg5LA/zNPRzIXIWSCxQW10Rvpy94aQh3LT/ShoCpkHw=
-golang.org/x/crypto v0.0.0-20200510223506-06a226fb4e37/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20200604202706-70a84ac30bf9 h1:vEg9joUBmeBcK9iSJftGNf3coIG4HqZElCPehJsfAYM=
 golang.org/x/crypto v0.0.0-20200604202706-70a84ac30bf9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
+golang.org/x/crypto v0.0.0-20200709230013-948cd5f35899 h1:DZhuSZLsGlFL4CmhA8BcRA0mnthyA/nZ00AqCUo7vHg=
+golang.org/x/crypto v0.0.0-20200709230013-948cd5f35899/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200620081246-981b61492c35 h1:wb/9mP8eUAmHfkM8RmpeLq6nUA7c2i5+bQOtcDftjaE=
-golang.org/x/sys v0.0.0-20200620081246-981b61492c35/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200622214017-ed371f2e16b4 h1:5/PjkGUjvEU5Gl6BxmvKRPpqo2uNMv4rcHBMwzk/st8=
+golang.org/x/sys v0.0.0-20200622214017-ed371f2e16b4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200625212154-ddb9806d33ae h1:Ih9Yo4hSPImZOpfGuA4bR/ORKTAbhZo2AbWNRCnevdo=
+golang.org/x/sys v0.0.0-20200625212154-ddb9806d33ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=

spinner/spinner.go

@@ -7,25 +7,17 @@ import (
 	"github.com/muesli/termenv"
 )
 
+const (
+	defaultFPS = time.Second / 10
+)
+
 // Spinner is a set of frames used in animating the spinner.
-type Spinner = int
-
-// Available types of spinners
-const (
-	Line Spinner = iota
-	Dot
-)
-
-const (
-	defaultFPS = 9
-)
+type Spinner = []string
 
 var (
-	// Spinner frames
-	spinners = map[Spinner][]string{
-		Line: {"|", "/", "-", "\\"},
-		Dot:  {"⣾ ", "⣽ ", "⣻ ", "⢿ ", "⡿ ", "⣟ ", "⣯ ", "⣷ "},
-	}
+	// Some spinners to choose from. You could also make your own.
+	Line = Spinner([]string{"|", "/", "-", "\\"})
+	Dot  = Spinner([]string{"⣾ ", "⣽ ", "⣻ ", "⢿ ", "⡿ ", "⣟ ", "⣯ ", "⣷ "})
 
 	color = termenv.ColorProfile().Color
 )
@@ -35,10 +27,10 @@ var (
 type Model struct {
 
 	// Type is the set of frames to use. See Spinner.
-	Type Spinner
+	Frames Spinner
 
 	// FPS is the speed at which the ticker should tick
-	FPS int
+	FPS time.Duration
 
 	// ForegroundColor sets the background color of the spinner. It can be a
 	// hex code or one of the 256 ANSI colors. If the terminal emulator can't
@@ -52,20 +44,14 @@ type Model struct {
 	// (per github.com/muesli/termenv).
 	BackgroundColor string
 
-	// CustomMsgFunc can be used to a custom message on tick. This can be
-	// useful when you have spinners in different parts of your application and
-	// want to differentiate between the messages for clarity and simplicity.
-	// If nil, this setting is ignored.
-	CustomMsgFunc func() tea.Msg
-
 	frame int
 }
 
 // NewModel returns a model with default values.
 func NewModel() Model {
 	return Model{
-		Type: Line,
-		FPS:  defaultFPS,
+		Frames: Line,
+		FPS:    defaultFPS,
 	}
 }
 
@@ -76,43 +62,38 @@ type TickMsg struct{}
 // every time it's called, regardless the message passed, so be sure the logic
 // is setup so as not to call this Update needlessly.
 func Update(msg tea.Msg, m Model) (Model, tea.Cmd) {
-	m.frame++
-	if m.frame >= len(spinners[m.Type]) {
-		m.frame = 0
-	}
-	if m.CustomMsgFunc != nil {
+	if _, ok := msg.(TickMsg); ok {
+		m.frame++
+		if m.frame >= len(m.Frames) {
+			m.frame = 0
+		}
 		return m, Tick(m)
 	}
-	return m, Tick(m)
+	return m, nil
 }
 
 // View renders the model's view.
 func View(model Model) string {
-	s := spinners[model.Type]
-	if model.frame >= len(s) {
-		return "[error]"
+	if model.frame >= len(model.Frames) {
+		return "error"
 	}
 
-	str := s[model.frame]
+	frame := model.Frames[model.frame]
 
 	if model.ForegroundColor != "" || model.BackgroundColor != "" {
 		return termenv.
-			String(str).
+			String(frame).
 			Foreground(color(model.ForegroundColor)).
 			Background(color(model.BackgroundColor)).
 			String()
 	}
 
-	return str
+	return frame
 }
 
 // Tick is the command used to advance the spinner one frame.
-func Tick(model Model) tea.Cmd {
-	return func() tea.Msg {
-		time.Sleep(time.Second / time.Duration(model.FPS))
-		if model.CustomMsgFunc != nil {
-			return model.CustomMsgFunc()
-		}
+func Tick(m Model) tea.Cmd {
+	return tea.Tick(m.FPS, func(time.Time) tea.Msg {
 		return TickMsg{}
-	}
+	})
 }

textinput/textinput.go

@@ -361,7 +361,7 @@ func View(model tea.Model) string {
 	}
 
 	// Placeholder text
-	if m.value == nil && m.Placeholder != "" {
+	if len(m.value) == 0 && m.Placeholder != "" {
 		return placeholderView(m)
 	}
 

viewport/viewport.go

@@ -344,6 +344,22 @@ func Update(msg tea.Msg, m Model) (Model, tea.Cmd) {
 				cmd = LineUp(m, lines)
 			}
 		}
+
+	case tea.MouseMsg:
+		switch msg.Button {
+
+		case tea.MouseWheelUp:
+			lines := m.LineUp(3)
+			if m.HighPerformanceRendering {
+				cmd = LineUp(m, lines)
+			}
+
+		case tea.MouseWheelDown:
+			lines := m.LineDown(3)
+			if m.HighPerformanceRendering {
+				cmd = LineDown(m, lines)
+			}
+		}
 	}
 
 	return m, cmd