feat(viewport): line count getters (#283)

This reverts commit a4ed54327f.

.github/dependabot.yml

@@ -0,0 +1,22 @@
+version: 2
+updates:
+  - package-ecosystem: "gomod"
+    directory: "/"
+    schedule:
+      interval: "daily"
+      time: "08:00"
+    labels:
+      - "dependencies"
+    commit-message:
+      prefix: "feat"
+      include: "scope"
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"
+      time: "08:00"
+    labels:
+      - "dependencies"
+    commit-message:
+      prefix: "chore"
+      include: "scope"

.github/workflows/build.yml

@@ -11,12 +11,12 @@ jobs:
       GO111MODULE: "on"
     steps:
       - name: Install Go
-        uses: actions/setup-go@v2
+        uses: actions/setup-go@v3
         with:
           go-version: ${{ matrix.go-version }}
 
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - name: Download Go modules
         run: go mod download

.github/workflows/coverage.yml

@@ -12,12 +12,12 @@ jobs:
       GO111MODULE: "on"
     steps:
       - name: Install Go
-        uses: actions/setup-go@v2
+        uses: actions/setup-go@v3
         with:
           go-version: ${{ matrix.go-version }}
 
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - name: Coverage
         env:

.github/workflows/lint-soft.yml

@@ -0,0 +1,28 @@
+name: lint-soft
+on:
+  push:
+  pull_request:
+
+permissions:
+  contents: read
+  # Optional: allow read access to pull request. Use with `only-new-issues` option.
+  pull-requests: read
+
+jobs:
+  golangci:
+    name: lint-soft
+    runs-on: ubuntu-latest
+    steps:
+      - name: Install Go
+        uses: actions/setup-go@v3
+        with:
+          go-version: ^1
+
+      - uses: actions/checkout@v3
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v3
+        with:
+          # Optional: golangci-lint command line arguments.
+          args: --config .golangci-soft.yml --issues-exit-code=0
+          # Optional: show only new issues if it's a pull request. The default value is `false`.
+          only-new-issues: true

.github/workflows/lint.yml

@@ -1,18 +1,28 @@
 name: lint
-on: [push, pull_request]
+on:
+  push:
+  pull_request:
+
+permissions:
+  contents: read
+  # Optional: allow read access to pull request. Use with `only-new-issues` option.
+  pull-requests: read
 
 jobs:
   golangci:
     name: lint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - name: Install Go
+        uses: actions/setup-go@v3
+        with:
+          go-version: ^1
+
+      - uses: actions/checkout@v3
       - name: golangci-lint
-        uses: golangci/golangci-lint-action@v2
+        uses: golangci/golangci-lint-action@v3
         with:
           # Optional: golangci-lint command line arguments.
-          args: --issues-exit-code=0
+          #args:
-          # Optional: working directory, useful for monorepos
-          # working-directory: somedir
           # Optional: show only new issues if it's a pull request. The default value is `false`.
           only-new-issues: true

.github/workflows/soft-serve.yml

@@ -0,0 +1,12 @@
+name: soft-serve
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  soft-serve:
+    uses: charmbracelet/meta/.github/workflows/soft-serve.yml@main
+    secrets:
+      ssh-key: "${{ secrets.CHARM_SOFT_SERVE_KEY }}"

.golangci-soft.yml

@@ -0,0 +1,47 @@
+run:
+  tests: false
+
+issues:
+  include:
+    - EXC0001
+    - EXC0005
+    - EXC0011
+    - EXC0012
+    - EXC0013
+
+  max-issues-per-linter: 0
+  max-same-issues: 0
+
+linters:
+  enable:
+    # - dupl
+    - exhaustive
+    # - exhaustivestruct
+    - goconst
+    - godot
+    - godox
+    - gomnd
+    - gomoddirectives
+    - goprintffuncname
+    - ifshort
+    # - lll
+    - misspell
+    - nakedret
+    - nestif
+    - noctx
+    - nolintlint
+    - prealloc
+    - wrapcheck
+
+  # disable default linters, they are already enabled in .golangci.yml
+  disable:
+    - deadcode
+    - errcheck
+    - gosimple
+    - govet
+    - ineffassign
+    - staticcheck
+    - structcheck
+    - typecheck
+    - unused
+    - varcheck

.golangci.yml

@@ -15,20 +15,15 @@ issues:
 linters:
   enable:
     - bodyclose
-    - dupl
     - exportloopref
-    - goconst
-    - godot
-    - godox
     - goimports
-    - goprintffuncname
     - gosec
-    - ifshort
+    - nilerr
-    - misspell
+    - predeclared
-    - prealloc
     - revive
     - rowserrcheck
     - sqlclosecheck
+    - tparallel
     - unconvert
     - unparam
     - whitespace

README.md

@@ -26,8 +26,8 @@ applications. These components are used in production in [Glow][glow],
 A spinner, useful for indicating that some kind an operation is happening.
 There are a couple default ones, but you can also pass your own ”frames.”
 
-* [Example code, basic spinner](https://github.com/charmbracelet/tea/tree/master/examples/spinner/main.go)
+* [Example code, basic spinner](https://github.com/charmbracelet/bubbletea/tree/master/examples/spinner/main.go)
-* [Example code, various spinners](https://github.com/charmbracelet/tea/tree/master/examples/spinners/main.go)
+* [Example code, various spinners](https://github.com/charmbracelet/bubbletea/tree/master/examples/spinners/main.go)
 
 
 ## Text Input
@@ -38,9 +38,29 @@ A text input field, akin to an `<input type="text">` in HTML. Supports unicode,
 pasting, in-place scrolling when the value exceeds the width of the element and
 the common, and many customization options.
 
-* [Example code, one field](https://github.com/charmbracelet/tea/tree/master/examples/textinput/main.go)
+* [Example code, one field](https://github.com/charmbracelet/bubbletea/tree/master/examples/textinput/main.go)
-* [Example code, many fields](https://github.com/charmbracelet/tea/tree/master/examples/textinputs/main.go)
+* [Example code, many fields](https://github.com/charmbracelet/bubbletea/tree/master/examples/textinputs/main.go)
 
+## Text Area
+
+<img src="https://stuff.charm.sh/bubbles-examples/textarea.gif" width="400" alt="Text Area Example">
+
+A text area field, akin to an `<textarea />` in HTML. Allows for input that
+spans multiple lines. Supports unicode, pasting, vertical scrolling when the
+value exceeds the width and height of the element,  and many customization
+options.
+
+* [Example code, chat input](https://github.com/charmbracelet/bubbletea/tree/master/examples/chat/main.go)
+* [Example code, story time input](https://github.com/charmbracelet/bubbletea/tree/master/examples/textarea/main.go)
+
+## Table
+
+<img src="https://stuff.charm.sh/bubbles-examples/table.gif" width="400" alt="Table Example">
+
+A component for displaying and navigating tabular data (columns and rows).
+Supports vertical scrolling and many customization options.
+
+* [Example code, countries and populations](https://github.com/charmbracelet/bubbletea/tree/master/examples/table/main.go)
 
 ## Progress
 
@@ -66,18 +86,18 @@ Supports "dot-style" pagination (similar to what you might see on iOS) and
 numeric page numbering, but you could also just use this component for the
 logic and visualize pagination however you like.
 
-* [Example code](https://github.com/charmbracelet/bubbletea/blob/master/examples/pager/main.go)
+* [Example code](https://github.com/charmbracelet/bubbletea/blob/master/examples/paginator/main.go)
 
 
 ## Viewport
 
-<img src="https://stuff.charm.sh/bubbles-examples/viewport.gif?0" width="600" alt="Viewport Example">
+<img src="https://stuff.charm.sh/bubbles-examples/viewport.gif" width="600" alt="Viewport Example">
 
 A viewport for vertically scrolling content. Optionally includes standard
 pager keybindings and mouse wheel support. A high performance mode is available
 for applications which make use of the alternate screen buffer.
 
-* [Example code](https://github.com/charmbracelet/tea/tree/master/examples/pager/main.go)
+* [Example code](https://github.com/charmbracelet/bubbletea/tree/master/examples/pager/main.go)
 
 This component is well complemented with [Reflow][reflow] for ANSI-aware
 indenting and text wrapping.
@@ -94,9 +114,9 @@ Features pagination, fuzzy filtering, auto-generated help, an activity spinner,
 and status messages, all of which can be enabled and disabled as needed.
 Extrapolated from [Glow][glow].
 
-* [Example code, default list](https://github.com/charmbracelet/tea/tree/master/examples/list-default/main.go)
+* [Example code, default list](https://github.com/charmbracelet/bubbletea/tree/master/examples/list-default/main.go)
-* [Example code, simple list](https://github.com/charmbracelet/tea/tree/master/examples/list-simple/main.go)
+* [Example code, simple list](https://github.com/charmbracelet/bubbletea/tree/master/examples/list-simple/main.go)
-* [Example code, all features](https://github.com/charmbracelet/tea/tree/master/examples/list-fancy/main.go)
+* [Example code, all features](https://github.com/charmbracelet/bubbletea/tree/master/examples/list-fancy/main.go)
 
 
 ## Timer
@@ -149,8 +169,8 @@ var DefaultKeyMap = KeyMap{
         key.WithHelp("↑/k", "move up"), // corresponding help text
     ),
     Down: key.NewBinding(
-        WithKeys("j", "down"),
+        key.WithKeys("j", "down"),
-        WithHelp("↓/j", "move down"),
+        key.WithHelp("↓/j", "move down"),
     ),
 }
 
@@ -171,22 +191,43 @@ func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 
 ## Additional Bubbles
 
-* [promptkit](https://github.com/erikgeiser/promptkit): A collection of common
+<!-- in alphabetical order by author -->
-  prompts for cases like selection, text input, and confirmation. Each prompt
+
-  comes with sensible defaults, remappable keybindings, any many customization
+* [76creates/stickers](https://github.com/76creates/stickers): Responsive
-  options.
+  flexbox and table components.
+* [calyptia/go-bubble-table](https://github.com/calyptia/go-bubble-table): An
+  interactive, customizable, scrollable table component.
+* [erikgeiser/promptkit](https://github.com/erikgeiser/promptkit): A collection
+  of common prompts for cases like selection, text input, and confirmation.
+  Each prompt comes with sensible defaults, remappable keybindings, any many
+  customization options.
+* [evertras/bubble-table](https://github.com/Evertras/bubble-table): Interactive,
+  customizable, paginated tables.
+* [knipferrc/teacup](https://github.com/knipferrc/teacup): Various handy
+  bubbles and utilities for building Bubble Tea applications.
 * [mritd/bubbles](https://github.com/mritd/bubbles): Some general-purpose
   bubbles. Inputs with validation, menu selection, a modified progressbar, and
   so on.
+* [treilik/bubbleboxer](https://github.com/treilik/bubbleboxer): Layout
+  multiple bubbles side-by-side in a layout-tree.
+* [treilik/bubblelister](https://github.com/treilik/bubblelister): An alternate
+  list that is scrollable without pagination and has the ability to contain
+  other bubbles as list items.
 
 If you’ve built a Bubble you think should be listed here,
 [let us know](mailto:vt100@charm.sh).
 
+## Feedback
+
+We’d love to hear your thoughts on this project. Feel free to drop us a note!
+
+* [Twitter](https://twitter.com/charmcli)
+* [The Fediverse](https://mastodon.social/@charmcli)
+* [Discord](https://charm.sh/chat)
 
 ## License
 
-[MIT](https://github.com/charmbracelet/teaparty/raw/master/LICENSE)
+[MIT](https://github.com/charmbracelet/bubbletea/raw/master/LICENSE)
-
 
 ***
 
@@ -195,5 +236,3 @@ Part of [Charm](https://charm.sh).
 <a href="https://charm.sh/"><img alt="The Charm logo" src="https://stuff.charm.sh/charm-badge.jpg" width="400"></a>
 
 Charm热爱开源 • Charm loves open source
-
-[charm]: https://charm.sh/

cursor/cursor.go

@@ -0,0 +1,207 @@
+package cursor
+
+import (
+	"context"
+	"time"
+
+	tea "github.com/charmbracelet/bubbletea"
+	"github.com/charmbracelet/lipgloss"
+)
+
+const defaultBlinkSpeed = time.Millisecond * 530
+
+// initialBlinkMsg initializes cursor blinking.
+type initialBlinkMsg struct{}
+
+// BlinkMsg signals that the cursor should blink. It contains metadata that
+// allows us to tell if the blink message is the one we're expecting.
+type BlinkMsg struct {
+	id  int
+	tag int
+}
+
+// blinkCanceled is sent when a blink operation is canceled.
+type blinkCanceled struct{}
+
+// blinkCtx manages cursor blinking.
+type blinkCtx struct {
+	ctx    context.Context
+	cancel context.CancelFunc
+}
+
+// Mode describes the behavior of the cursor.
+type Mode int
+
+// Available cursor modes.
+const (
+	CursorBlink Mode = iota
+	CursorStatic
+	CursorHide
+)
+
+// String returns the cursor mode in a human-readable format. This method is
+// provisional and for informational purposes only.
+func (c Mode) String() string {
+	return [...]string{
+		"blink",
+		"static",
+		"hidden",
+	}[c]
+}
+
+// Model is the Bubble Tea model for this cursor element.
+type Model struct {
+	BlinkSpeed time.Duration
+	// Style for styling the cursor block.
+	Style lipgloss.Style
+	// TextStyle is the style used for the cursor when it is hidden (when blinking).
+	// I.e. displaying normal text.
+	TextStyle lipgloss.Style
+
+	// char is the character under the cursor
+	char string
+	// The ID of this Model as it relates to other cursors
+	id int
+	// focus indicates whether the containing input is focused
+	focus bool
+	// Cursor Blink state.
+	Blink bool
+	// Used to manage cursor blink
+	blinkCtx *blinkCtx
+	// The ID of the blink message we're expecting to receive.
+	blinkTag int
+	// mode determines the behavior of the cursor
+	mode Mode
+}
+
+// New creates a new model with default settings.
+func New() Model {
+	return Model{
+		BlinkSpeed: defaultBlinkSpeed,
+
+		Blink: true,
+		mode:  CursorBlink,
+
+		blinkCtx: &blinkCtx{
+			ctx: context.Background(),
+		},
+	}
+}
+
+// Update updates the cursor.
+func (m Model) Update(msg tea.Msg) (Model, tea.Cmd) {
+	switch msg := msg.(type) {
+	case initialBlinkMsg:
+		// We accept all initialBlinkMsgs generated by the Blink command.
+
+		if m.mode != CursorBlink || !m.focus {
+			return m, nil
+		}
+
+		cmd := m.BlinkCmd()
+		return m, cmd
+
+	case BlinkMsg:
+		// We're choosy about whether to accept blinkMsgs so that our cursor
+		// only exactly when it should.
+
+		// Is this model blink-able?
+		if m.mode != CursorBlink || !m.focus {
+			return m, nil
+		}
+
+		// Were we expecting this blink message?
+		if msg.id != m.id || msg.tag != m.blinkTag {
+			return m, nil
+		}
+
+		var cmd tea.Cmd
+		if m.mode == CursorBlink {
+			m.Blink = !m.Blink
+			cmd = m.BlinkCmd()
+		}
+		return m, cmd
+
+	case blinkCanceled: // no-op
+		return m, nil
+	}
+	return m, nil
+}
+
+// Mode returns the model's cursor mode. For available cursor modes, see
+// type Mode.
+func (m Model) Mode() Mode {
+	return m.mode
+}
+
+// SetMode sets the model's cursor mode. This method returns a command.
+//
+// For available cursor modes, see type CursorMode.
+func (m *Model) SetMode(mode Mode) tea.Cmd {
+	m.mode = mode
+	m.Blink = m.mode == CursorHide || !m.focus
+	if mode == CursorBlink {
+		return Blink
+	}
+	return nil
+}
+
+// BlinkCmd is an command used to manage cursor blinking.
+func (m *Model) BlinkCmd() tea.Cmd {
+	if m.mode != CursorBlink {
+		return nil
+	}
+
+	if m.blinkCtx != nil && m.blinkCtx.cancel != nil {
+		m.blinkCtx.cancel()
+	}
+
+	ctx, cancel := context.WithTimeout(m.blinkCtx.ctx, m.BlinkSpeed)
+	m.blinkCtx.cancel = cancel
+
+	m.blinkTag++
+
+	return func() tea.Msg {
+		defer cancel()
+		<-ctx.Done()
+		if ctx.Err() == context.DeadlineExceeded {
+			return BlinkMsg{id: m.id, tag: m.blinkTag}
+		}
+		return blinkCanceled{}
+	}
+}
+
+// Blink is a command used to initialize cursor blinking.
+func Blink() tea.Msg {
+	return initialBlinkMsg{}
+}
+
+// Focus focuses the cursor to allow it to blink if desired.
+func (m *Model) Focus() tea.Cmd {
+	m.focus = true
+	m.Blink = m.mode == CursorHide // show the cursor unless we've explicitly hidden it
+
+	if m.mode == CursorBlink && m.focus {
+		return m.BlinkCmd()
+	}
+	return nil
+}
+
+// Blur blurs the cursor.
+func (m *Model) Blur() {
+	m.focus = false
+	m.Blink = true
+}
+
+// SetChar sets the character under the cursor.
+func (m *Model) SetChar(char string) {
+	m.char = char
+}
+
+// View displays the cursor.
+func (m Model) View() string {
+	if m.Blink {
+		return m.TextStyle.Inline(true).Render(m.char)
+	}
+	return m.Style.Inline(true).Reverse(true).Render(m.char)
+}

go.mod

@@ -4,13 +4,13 @@ go 1.13
 
 require (
 	github.com/atotto/clipboard v0.1.4
-	github.com/charmbracelet/bubbletea v0.19.3
+	github.com/charmbracelet/bubbletea v0.22.1
-	github.com/charmbracelet/harmonica v0.1.0
+	github.com/charmbracelet/harmonica v0.2.0
-	github.com/charmbracelet/lipgloss v0.4.0
+	github.com/charmbracelet/lipgloss v0.6.0
 	github.com/kylelemons/godebug v1.1.0 // indirect
 	github.com/lucasb-eyer/go-colorful v1.2.0
-	github.com/mattn/go-runewidth v0.0.13
+	github.com/mattn/go-runewidth v0.0.14
 	github.com/muesli/reflow v0.3.0
-	github.com/muesli/termenv v0.9.0
+	github.com/muesli/termenv v0.11.1-0.20220212125758-44cd13922739
 	github.com/sahilm/fuzzy v0.1.0
 )

go.sum

@@ -1,44 +1,50 @@
 github.com/atotto/clipboard v0.1.4 h1:EH0zSVneZPSuFR11BlR9YppQTVDbh5+16AmcJi4g1z4=
 github.com/atotto/clipboard v0.1.4/go.mod h1:ZY9tmq7sm5xIbd9bOK4onWV4S6X0u6GY7Vn0Yu86PYI=
-github.com/charmbracelet/bubbletea v0.19.3 h1:OKeO/Y13rQQqt4snX+lePB0QrnW80UdrMNolnCcmoAw=
+github.com/charmbracelet/bubbletea v0.22.1 h1:z66q0LWdJNOWEH9zadiAIXp2GN1AWrwNXU8obVY9X24=
-github.com/charmbracelet/bubbletea v0.19.3/go.mod h1:VuXF2pToRxDUHcBUcPmCRUHRvFATM4Ckb/ql1rBl3KA=
+github.com/charmbracelet/bubbletea v0.22.1/go.mod h1:8/7hVvbPN6ZZPkczLiB8YpLkLJ0n7DMho5Wvfd2X1C0=
-github.com/charmbracelet/harmonica v0.1.0 h1:lFKeSd6OAckQ/CEzPVd2mqj+YMEubQ/3FM2IYY3xNm0=
+github.com/charmbracelet/harmonica v0.2.0 h1:8NxJWRWg/bzKqqEaaeFNipOu77YR5t8aSwG4pgaUBiQ=
-github.com/charmbracelet/harmonica v0.1.0/go.mod h1:KSri/1RMQOZLbw7AHqgcBycp8pgJnQMYYT8QZRqZ1Ao=
+github.com/charmbracelet/harmonica v0.2.0/go.mod h1:KSri/1RMQOZLbw7AHqgcBycp8pgJnQMYYT8QZRqZ1Ao=
-github.com/charmbracelet/lipgloss v0.4.0 h1:768h64EFkGUr8V5yAKV7/Ta0NiVceiPaV+PphaW1K9g=
+github.com/charmbracelet/lipgloss v0.6.0 h1:1StyZB9vBSOyuZxQUcUwGr17JmojPNm87inij9N3wJY=
-github.com/charmbracelet/lipgloss v0.4.0/go.mod h1:vmdkHvce7UzX6xkyf4cca8WlwdQ5RQr8fzta+xl7BOM=
+github.com/charmbracelet/lipgloss v0.6.0/go.mod h1:tHh2wr34xcHjC2HCXIlGSG1jaDF0S0atAUvBMP6Ppuk=
-github.com/containerd/console v1.0.2 h1:Pi6D+aZXM+oUw1czuKgH5IJ+y0jhYcwBJfx5/Ghn9dE=
+github.com/containerd/console v1.0.3 h1:lIr7SlA5PxZyMV30bDW0MGbiOPXwc63yRuCP0ARubLw=
-github.com/containerd/console v1.0.2/go.mod h1:ytZPjGgY2oeTkAONYafi2kSj0aYggsf8acV1PGKCbzQ=
+github.com/containerd/console v1.0.3/go.mod h1:7LqA/THxQ86k76b8c/EMSiaJ3h1eZkMkXar0TQ1gf3U=
 github.com/kylelemons/godebug v1.1.0 h1:RPNrshWIDI6G2gRW9EHilWtl7Z6Sb1BR0xunSBf0SNc=
 github.com/kylelemons/godebug v1.1.0/go.mod h1:9/0rRGxNHcop5bhtWyNeEfOS8JIWk580+fNqagV/RAw=
 github.com/lucasb-eyer/go-colorful v1.2.0 h1:1nnpGOrhyZZuNyfu1QjKiUICQ74+3FNCN69Aj6K7nkY=
 github.com/lucasb-eyer/go-colorful v1.2.0/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
-github.com/mattn/go-isatty v0.0.13 h1:qdl+GuBjcsKKDco5BsxPJlId98mSWNKqYA+Co0SC1yA=
+github.com/mattn/go-isatty v0.0.14/go.mod h1:7GGIvUiUoEMVVmxf/4nioHXj79iQHKdU27kJ6hsGG94=
-github.com/mattn/go-isatty v0.0.13/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU=
+github.com/mattn/go-isatty v0.0.16 h1:bq3VjFmv/sOjHtdEhmkEV4x1AJtvUvOJ2PFAZ5+peKQ=
+github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
+github.com/mattn/go-localereader v0.0.1 h1:ygSAOl7ZXTx4RdPYinUpg6W99U8jWvWi9Ye2JC/oIi4=
+github.com/mattn/go-localereader v0.0.1/go.mod h1:8fBrzywKY7BI3czFoHkuzRoWE9C+EiG4R1k4Cjx5p88=
 github.com/mattn/go-runewidth v0.0.10/go.mod h1:RAqKPSqVFrSLVXbA8x7dzmKdmGzieGRCM46jaSJTDAk=
 github.com/mattn/go-runewidth v0.0.12/go.mod h1:RAqKPSqVFrSLVXbA8x7dzmKdmGzieGRCM46jaSJTDAk=
-github.com/mattn/go-runewidth v0.0.13 h1:lTGmDsbAYt5DmK6OnoV7EuIF1wEIFAcxld6ypU4OSgU=
 github.com/mattn/go-runewidth v0.0.13/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w=
+github.com/mattn/go-runewidth v0.0.14 h1:+xnbZSEeDbOIg5/mE6JF0w6n9duR1l3/WmbinWVwUuU=
+github.com/mattn/go-runewidth v0.0.14/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w=
 github.com/muesli/ansi v0.0.0-20211018074035-2e021307bc4b h1:1XF24mVaiu7u+CFywTdcDo2ie1pzzhwjt6RHqzpMU34=
 github.com/muesli/ansi v0.0.0-20211018074035-2e021307bc4b/go.mod h1:fQuZ0gauxyBcmsdE3ZT4NasjaRdxmbCS0jRHsrWu3Ho=
+github.com/muesli/cancelreader v0.2.2 h1:3I4Kt4BQjOR54NavqnDogx/MIoWBFa0StPA8ELUXHmA=
+github.com/muesli/cancelreader v0.2.2/go.mod h1:3XuTXfFS2VjM+HTLZY9Ak0l6eUKfijIfMUZ4EgX0QYo=
 github.com/muesli/reflow v0.2.1-0.20210115123740-9e1d0d53df68/go.mod h1:Xk+z4oIWdQqJzsxyjgl3P22oYZnHdZ8FFTHAQQt5BMQ=
 github.com/muesli/reflow v0.3.0 h1:IFsN6K9NfGtjeggFP+68I4chLZV2yIKsXJFNZ+eWh6s=
 github.com/muesli/reflow v0.3.0/go.mod h1:pbwTDkVPibjO2kyvBQRBxTWEEGDGq0FlB1BIKtnHY/8=
-github.com/muesli/termenv v0.9.0 h1:wnbOaGz+LUR3jNT0zOzinPnyDaCZUQRZj9GxK8eRVl8=
+github.com/muesli/termenv v0.11.1-0.20220204035834-5ac8409525e0/go.mod h1:Bd5NYQ7pd+SrtBSrSNoBBmXlcY8+Xj4BMJgh8qcZrvs=
-github.com/muesli/termenv v0.9.0/go.mod h1:R/LzAKf+suGs4IsO95y7+7DpFHO0KABgnZqtlyx2mBw=
+github.com/muesli/termenv v0.11.1-0.20220212125758-44cd13922739 h1:QANkGiGr39l1EESqrE0gZw0/AJNYzIvoGLhIoVYtluI=
-github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
+github.com/muesli/termenv v0.11.1-0.20220212125758-44cd13922739/go.mod h1:Bd5NYQ7pd+SrtBSrSNoBBmXlcY8+Xj4BMJgh8qcZrvs=
-github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
-github.com/rivo/uniseg v0.1.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
 github.com/rivo/uniseg v0.1.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
 github.com/rivo/uniseg v0.2.0 h1:S1pD9weZBuJdFmowNwbpi7BJ8TNftyUImj/0WQi72jY=
-github.com/rivo/uniseg v0.2.0 h1:S1pD9weZBuJdFmowNwbpi7BJ8TNftyUImj/0WQi72jY=
-github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
 github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
 github.com/sahilm/fuzzy v0.1.0 h1:FzWGaw2Opqyu+794ZQ9SYifWv2EIXpwP4q8dY1kDAwI=
 github.com/sahilm/fuzzy v0.1.0/go.mod h1:VFvziUEIMCrT6A6tw2RFIXPXXmzXbOsSHF0DOI8ZK9Y=
-golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210119212857-b64e53b001e4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c h1:VwygUrnw9jn88c4u8GD3rZQbqrP/tgas88tPUbBxQrk=
 golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/term v0.0.0-20210422114643-f5beecf764ed h1:Ei4bQjjpYUsS4efOUz+5Nz++IVkHk87n2zBA0NxBWc0=
+golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/term v0.0.0-20210422114643-f5beecf764ed/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
+golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220204135822-1c1b9b1eba6a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab h1:2QkjZIsXupsJbJIdSjjUOgWK3aEtzyuh2mPt3l/CkeU=
+golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/term v0.0.0-20210927222741-03fcf44c2211 h1:JGgROgKl9N8DuW20oFS5gxc+lE67/N3FcwmBPMe7ArY=
+golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
+golang.org/x/text v0.3.7 h1:olpwvP2KacW1ZWvsR7uQhoyTYvKAupfQrRGBFM352Gk=
+golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=

help/help.go

@@ -164,11 +164,10 @@ func (m Model) FullHelpView(groups [][]key.Binding) string {
 		return ""
 	}
 
+	// Linter note: at this time we don't think it's worth the additional
+	// code complexity involved in preallocating this slice.
+	//nolint:prealloc
 	var (
-		// Linter note: at this time we don't think it's worth the additional
-		// code complexity involved in preallocating this slice.
-		//
-		//nolint:prealloc
 		out []string
 
 		totalWidth int
@@ -204,7 +203,7 @@ func (m Model) FullHelpView(groups [][]key.Binding) string {
 
 		// Column
 		totalWidth += lipgloss.Width(col)
-		if totalWidth > m.Width {
+		if m.Width > 0 && totalWidth > m.Width {
 			break
 		}
 
@@ -213,7 +212,7 @@ func (m Model) FullHelpView(groups [][]key.Binding) string {
 		// Separator
 		if i < len(group)-1 {
 			totalWidth += sepWidth
-			if totalWidth > m.Width {
+			if m.Width > 0 && totalWidth > m.Width {
 				break
 			}
 		}

key/key.go

@@ -2,35 +2,35 @@
 // keymappings useful in Bubble Tea components. There are a few different ways
 // you can define a keymapping with this package. Here's one example:
 //
-//     type KeyMap struct {
+//	type KeyMap struct {
-//         Up key.Binding
+//	    Up key.Binding
-//         Down key.Binding
+//	    Down key.Binding
-//     }
+//	}
 //
-//     var DefaultKeyMap = KeyMap{
+//	var DefaultKeyMap = KeyMap{
-//         Up: key.NewBinding(
+//	    Up: key.NewBinding(
-//             key.WithKeys("k", "up"),        // actual keybindings
+//	        key.WithKeys("k", "up"),        // actual keybindings
-//             key.WithHelp("↑/k", "move up"), // corresponding help text
+//	        key.WithHelp("↑/k", "move up"), // corresponding help text
-//         ),
+//	    ),
-//         Down: key.NewBinding(
+//	    Down: key.NewBinding(
-//             WithKeys("j", "down"),
+//	        key.WithKeys("j", "down"),
-//             WithHelp("↓/j", "move down"),
+//	        key.WithHelp("↓/j", "move down"),
-//         ),
+//	    ),
-//     }
+//	}
 //
-//     func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
+//	func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
-//         switch msg := msg.(type) {
+//	    switch msg := msg.(type) {
-//         case tea.KeyMsg:
+//	    case tea.KeyMsg:
-//             switch {
+//	        switch {
-//             case key.Matches(msg, DefaultKeyMap.Up):
+//	        case key.Matches(msg, DefaultKeyMap.Up):
-//                 // The user pressed up
+//	            // The user pressed up
-//             case key.Matches(msg, DefaultKeyMap.Down):
+//	        case key.Matches(msg, DefaultKeyMap.Down):
-//                 // The user pressed down
+//	            // The user pressed down
-//             }
+//	        }
-//         }
+//	    }
 //
-//         // ...
+//	    // ...
-//     }
+//	}
 //
 // The help information, which is not used in the example above, can be used
 // to render help text for keystrokes in your views.
@@ -106,7 +106,7 @@ func (b Binding) Help() Help {
 // keybindings won't be activated and won't show up in help. Keybindings are
 // enabled by default.
 func (b Binding) Enabled() bool {
-	return !b.disabled
+	return !b.disabled && b.keys != nil
 }
 
 // SetEnabled enables or disables the keybinding.
@@ -130,9 +130,10 @@ type Help struct {
 
 // Matches checks if the given KeyMsg matches the given bindings.
 func Matches(k tea.KeyMsg, b ...Binding) bool {
+	keys := k.String()
 	for _, binding := range b {
 		for _, v := range binding.keys {
-			if k.String() == v && binding.Enabled() {
+			if keys == v && binding.Enabled() {
 				return true
 			}
 		}

key/key_test.go

@@ -0,0 +1,26 @@
+package key
+
+import (
+	"testing"
+)
+
+func TestBinding_Enabled(t *testing.T) {
+	binding := NewBinding(
+		WithKeys("k", "up"),
+		WithHelp("↑/k", "move up"),
+	)
+	if !binding.Enabled() {
+		t.Errorf("expected key to be Enabled")
+	}
+
+	binding.SetEnabled(false)
+	if binding.Enabled() {
+		t.Errorf("expected key not to be Enabled")
+	}
+
+	binding.SetEnabled(true)
+	binding.Unbind()
+	if binding.Enabled() {
+		t.Errorf("expected key not to be Enabled")
+	}
+}

list/defaultitem.go

@@ -3,6 +3,7 @@ package list
 import (
 	"fmt"
 	"io"
+	"strings"
 
 	"github.com/charmbracelet/bubbles/key"
 	tea "github.com/charmbracelet/bubbletea"
@@ -86,6 +87,7 @@ type DefaultDelegate struct {
 	UpdateFunc      func(tea.Msg, *Model) tea.Cmd
 	ShortHelpFunc   func() []key.Binding
 	FullHelpFunc    func() [][]key.Binding
+	height          int
 	spacing         int
 }
 
@@ -94,14 +96,22 @@ func NewDefaultDelegate() DefaultDelegate {
 	return DefaultDelegate{
 		ShowDescription: true,
 		Styles:          NewDefaultItemStyles(),
+		height:          2,
 		spacing:         1,
 	}
 }
 
+// SetHeight sets delegate's preferred height.
+func (d *DefaultDelegate) SetHeight(i int) {
+	d.height = i
+}
+
 // Height returns the delegate's preferred height.
+// This has effect only if ShowDescription is true,
+// otherwise height is always 1.
 func (d DefaultDelegate) Height() int {
 	if d.ShowDescription {
-		return 2 //nolint:gomnd
+		return d.height
 	}
 	return 1
 }
@@ -139,11 +149,23 @@ func (d DefaultDelegate) Render(w io.Writer, m Model, index int, item Item) {
 		return
 	}
 
+	if m.width <= 0 {
+		// short-circuit
+		return
+	}
+
 	// Prevent text from exceeding list width
-	if m.width > 0 {
+	textwidth := uint(m.width - s.NormalTitle.GetPaddingLeft() - s.NormalTitle.GetPaddingRight())
-		textwidth := uint(m.width - s.NormalTitle.GetPaddingLeft() - s.NormalTitle.GetPaddingRight())
+	title = truncate.StringWithTail(title, textwidth, ellipsis)
-		title = truncate.StringWithTail(title, textwidth, ellipsis)
+	if d.ShowDescription {
-		desc = truncate.StringWithTail(desc, textwidth, ellipsis)
+		var lines []string
+		for i, line := range strings.Split(desc, "\n") {
+			if i >= d.height-1 {
+				break
+			}
+			lines = append(lines, truncate.StringWithTail(line, textwidth, ellipsis))
+		}
+		desc = strings.Join(lines, "\n")
 	}
 
 	// Conditions

list/list.go

@@ -71,6 +71,34 @@ func (f filteredItems) items() []Item {
 // message should be routed to Update for processing.
 type FilterMatchesMsg []filteredItem
 
+// FilterFunc takes a term and a list of strings to search through
+// (defined by Item#FilterValue).
+// It should return a sorted list of ranks.
+type FilterFunc func(string, []string) []Rank
+
+// Rank defines a rank for a given item.
+type Rank struct {
+	// The index of the item in the original input.
+	Index int
+	// Indices of the actual word that were matched against the filter term.
+	MatchedIndexes []int
+}
+
+// DefaultFilter uses the sahilm/fuzzy to filter through the list.
+// This is set by default.
+func DefaultFilter(term string, targets []string) []Rank {
+	var ranks = fuzzy.Find(term, targets)
+	sort.Stable(ranks)
+	result := make([]Rank, len(ranks))
+	for i, r := range ranks {
+		result[i] = Rank{
+			Index:          r.Index,
+			MatchedIndexes: r.MatchedIndexes,
+		}
+	}
+	return result
+}
+
 type statusMessageTimeoutMsg struct{}
 
 // FilterState describes the current filtering state on the model.
@@ -101,12 +129,20 @@ type Model struct {
 	showHelp         bool
 	filteringEnabled bool
 
+	itemNameSingular string
+	itemNamePlural   string
+
 	Title  string
 	Styles Styles
 
 	// Key mappings for navigating the list.
 	KeyMap KeyMap
 
+	// Filter is used to filter the list.
+	Filter FilterFunc
+
+	disableQuitKeybindings bool
+
 	// Additional key mappings for the short and full help views. This allows
 	// you to add additional key mappings to the help menu without
 	// re-implementing the help component. Of course, you can also disable the
@@ -147,18 +183,18 @@ type Model struct {
 func New(items []Item, delegate ItemDelegate, width, height int) Model {
 	styles := DefaultStyles()
 
-	sp := spinner.NewModel()
+	sp := spinner.New()
 	sp.Spinner = spinner.Line
 	sp.Style = styles.Spinner
 
-	filterInput := textinput.NewModel()
+	filterInput := textinput.New()
 	filterInput.Prompt = "Filter: "
 	filterInput.PromptStyle = styles.FilterPrompt
 	filterInput.CursorStyle = styles.FilterCursor
 	filterInput.CharLimit = 64
 	filterInput.Focus()
 
-	p := paginator.NewModel()
+	p := paginator.New()
 	p.Type = paginator.Dots
 	p.ActiveDot = styles.ActivePaginationDot.String()
 	p.InactiveDot = styles.InactivePaginationDot.String()
@@ -169,8 +205,11 @@ func New(items []Item, delegate ItemDelegate, width, height int) Model {
 		showStatusBar:         true,
 		showPagination:        true,
 		showHelp:              true,
+		itemNameSingular:      "item",
+		itemNamePlural:        "items",
 		filteringEnabled:      true,
 		KeyMap:                DefaultKeyMap(),
+		Filter:                DefaultFilter,
 		Styles:                styles,
 		Title:                 "List",
 		FilterInput:           filterInput,
@@ -182,7 +221,7 @@ func New(items []Item, delegate ItemDelegate, width, height int) Model {
 		items:     items,
 		Paginator: p,
 		spinner:   sp,
-		Help:      help.NewModel(),
+		Help:      help.New(),
 	}
 
 	m.updatePagination()
@@ -252,7 +291,19 @@ func (m Model) ShowStatusBar() bool {
 	return m.showStatusBar
 }
 
-// ShowingPagination hides or shoes the paginator. Note that pagination will
+// SetStatusBarItemName defines a replacement for the items identifier.
+// Defaults to item/items.
+func (m *Model) SetStatusBarItemName(singular, plural string) {
+	m.itemNameSingular = singular
+	m.itemNamePlural = plural
+}
+
+// StatusBarItemName returns singular and plural status bar item names.
+func (m Model) StatusBarItemName() (string, string) {
+	return m.itemNameSingular, m.itemNamePlural
+}
+
+// SetShowPagination hides or shoes the paginator. Note that pagination will
 // still be active, it simply won't be displayed.
 func (m *Model) SetShowPagination(v bool) {
 	m.showPagination = v
@@ -324,7 +375,8 @@ func (m *Model) SetItem(index int, item Item) tea.Cmd {
 	return cmd
 }
 
-// Insert an item at the given index. This returns a command.
+// Insert an item at the given index. If index is out of the upper bound, the
+// item will be appended. This returns a command.
 func (m *Model) InsertItem(index int, item Item) tea.Cmd {
 	var cmd tea.Cmd
 	m.items = insertItemIntoSlice(m.items, item, index)
@@ -474,7 +526,7 @@ func (m Model) FilterValue() string {
 // SettingFilter returns whether or not the user is currently editing the
 // filter value. It's purely a convenience method for the following:
 //
-//     m.FilterState() == Filtering
+//	m.FilterState() == Filtering
 //
 // It's included here because it's a common thing to check for when
 // implementing this component.
@@ -482,6 +534,14 @@ func (m Model) SettingFilter() bool {
 	return m.filterState == Filtering
 }
 
+// IsFiltered returns whether or not the list is currently filtered.
+// It's purely a convenience method for the following:
+//
+//	m.FilterState() == FilterApplied
+func (m Model) IsFiltered() bool {
+	return m.filterState == FilterApplied
+}
+
 // Width returns the current width setting.
 func (m Model) Width() int {
 	return m.width
@@ -517,9 +577,10 @@ func (m *Model) StopSpinner() {
 	m.showSpinner = false
 }
 
-// Helper for disabling the keybindings used for quitting, incase you want to
+// Helper for disabling the keybindings used for quitting, in case you want to
 // handle this elsewhere in your application.
 func (m *Model) DisableQuitKeybindings() {
+	m.disableQuitKeybindings = true
 	m.KeyMap.Quit.SetEnabled(false)
 	m.KeyMap.ForceQuit.SetEnabled(false)
 }
@@ -602,7 +663,7 @@ func (m *Model) updateKeybindings() {
 		m.KeyMap.ClearFilter.SetEnabled(false)
 		m.KeyMap.CancelWhileFiltering.SetEnabled(true)
 		m.KeyMap.AcceptWhileFiltering.SetEnabled(m.FilterInput.Value() != "")
-		m.KeyMap.Quit.SetEnabled(true)
+		m.KeyMap.Quit.SetEnabled(false)
 		m.KeyMap.ShowFullHelp.SetEnabled(false)
 		m.KeyMap.CloseFullHelp.SetEnabled(false)
 
@@ -622,7 +683,7 @@ func (m *Model) updateKeybindings() {
 		m.KeyMap.ClearFilter.SetEnabled(m.filterState == FilterApplied)
 		m.KeyMap.CancelWhileFiltering.SetEnabled(false)
 		m.KeyMap.AcceptWhileFiltering.SetEnabled(false)
-		m.KeyMap.Quit.SetEnabled(true)
+		m.KeyMap.Quit.SetEnabled(!m.disableQuitKeybindings)
 
 		if m.Help.ShowAll {
 			m.KeyMap.ShowFullHelp.SetEnabled(true)
@@ -1000,7 +1061,10 @@ func (m Model) titleView() string {
 		}
 	}
 
-	return titleBarStyle.Render(view)
+	if len(view) > 0 {
+		return titleBarStyle.Render(view)
+	}
+	return view
 }
 
 func (m Model) statusView() string {
@@ -1009,21 +1073,25 @@ func (m Model) statusView() string {
 	totalItems := len(m.items)
 	visibleItems := len(m.VisibleItems())
 
-	plural := ""
+	var itemName string
 	if visibleItems != 1 {
-		plural = "s"
+		itemName = m.itemNamePlural
+	} else {
+		itemName = m.itemNameSingular
 	}
 
+	itemsDisplay := fmt.Sprintf("%d %s", visibleItems, itemName)
+
 	if m.filterState == Filtering {
 		// Filter results
 		if visibleItems == 0 {
 			status = m.Styles.StatusEmpty.Render("Nothing matched")
 		} else {
-			status = fmt.Sprintf("%d item%s", visibleItems, plural)
+			status = itemsDisplay
 		}
 	} else if len(m.items) == 0 {
 		// Not filtering: no items.
-		status = m.Styles.StatusEmpty.Render("No items")
+		status = m.Styles.StatusEmpty.Render("No " + m.itemNamePlural)
 	} else {
 		// Normal
 		filtered := m.FilterState() == FilterApplied
@@ -1034,7 +1102,7 @@ func (m Model) statusView() string {
 			status += fmt.Sprintf("“%s” ", f)
 		}
 
-		status += fmt.Sprintf("%d item%s", visibleItems, plural)
+		status += itemsDisplay
 	}
 
 	numFiltered := totalItems - visibleItems
@@ -1078,7 +1146,7 @@ func (m Model) populatedView() string {
 		if m.filterState == Filtering {
 			return ""
 		}
-		m.Styles.NoItems.Render("No items found.")
+		return m.Styles.NoItems.Render("No " + m.itemNamePlural + " found.")
 	}
 
 	if len(items) > 0 {
@@ -1129,11 +1197,8 @@ func filterItems(m Model) tea.Cmd {
 			targets = append(targets, t.FilterValue())
 		}
 
-		var ranks fuzzy.Matches = fuzzy.Find(m.FilterInput.Value(), targets)
-		sort.Stable(ranks)
-
 		filterMatches := []filteredItem{}
-		for _, r := range ranks {
+		for _, r := range m.Filter(m.FilterInput.Value(), targets) {
 			filterMatches = append(filterMatches, filteredItem{
 				item:    items[r.Index],
 				matches: r.MatchedIndexes,

list/list_test.go

@@ -0,0 +1,74 @@
+package list
+
+import (
+	"fmt"
+	"io"
+	"strings"
+	"testing"
+
+	tea "github.com/charmbracelet/bubbletea"
+)
+
+type item string
+
+func (i item) FilterValue() string { return "" }
+
+type itemDelegate struct{}
+
+func (d itemDelegate) Height() int                          { return 1 }
+func (d itemDelegate) Spacing() int                         { return 0 }
+func (d itemDelegate) Update(msg tea.Msg, m *Model) tea.Cmd { return nil }
+func (d itemDelegate) Render(w io.Writer, m Model, index int, listItem Item) {
+	i, ok := listItem.(item)
+	if !ok {
+		return
+	}
+
+	str := fmt.Sprintf("%d. %s", index+1, i)
+	fmt.Fprint(w, m.Styles.TitleBar.Render(str))
+}
+
+func TestStatusBarItemName(t *testing.T) {
+	list := New([]Item{item("foo"), item("bar")}, itemDelegate{}, 10, 10)
+	expected := "2 items"
+	if !strings.Contains(list.statusView(), expected) {
+		t.Fatalf("Error: expected view to contain %s", expected)
+	}
+
+	list.SetItems([]Item{item("foo")})
+	expected = "1 item"
+	if !strings.Contains(list.statusView(), expected) {
+		t.Fatalf("Error: expected view to contain %s", expected)
+	}
+}
+
+func TestStatusBarWithoutItems(t *testing.T) {
+	list := New([]Item{}, itemDelegate{}, 10, 10)
+
+	expected := "No items"
+	if !strings.Contains(list.statusView(), expected) {
+		t.Fatalf("Error: expected view to contain %s", expected)
+	}
+}
+
+func TestCustomStatusBarItemName(t *testing.T) {
+	list := New([]Item{item("foo"), item("bar")}, itemDelegate{}, 10, 10)
+	list.SetStatusBarItemName("connection", "connections")
+
+	expected := "2 connections"
+	if !strings.Contains(list.statusView(), expected) {
+		t.Fatalf("Error: expected view to contain %s", expected)
+	}
+
+	list.SetItems([]Item{item("foo")})
+	expected = "1 connection"
+	if !strings.Contains(list.statusView(), expected) {
+		t.Fatalf("Error: expected view to contain %s", expected)
+	}
+
+	list.SetItems([]Item{})
+	expected = "No connections"
+	if !strings.Contains(list.statusView(), expected) {
+		t.Fatalf("Error: expected view to contain %s", expected)
+	}
+}

paginator/paginator.go

@@ -7,6 +7,7 @@ package paginator
 import (
 	"fmt"
 
+	"github.com/charmbracelet/bubbles/key"
 	tea "github.com/charmbracelet/bubbletea"
 )
 
@@ -19,20 +20,49 @@ const (
 	Dots
 )
 
+// KeyMap is the key bindings for different actions within the paginator.
+type KeyMap struct {
+	PrevPage key.Binding
+	NextPage key.Binding
+}
+
+// DefaultKeyMap is the default set of key bindings for navigating and acting
+// upon the paginator.
+var DefaultKeyMap = KeyMap{
+	PrevPage: key.NewBinding(key.WithKeys("pgup", "left", "h")),
+	NextPage: key.NewBinding(key.WithKeys("pgdown", "right", "l")),
+}
+
 // Model is the Bubble Tea model for this user interface.
 type Model struct {
-	Type              Type
+	// Type configures how the pagination is rendered (Arabic, Dots).
-	Page              int
+	Type Type
-	PerPage           int
+	// Page is the current page number.
-	TotalPages        int
+	Page int
-	ActiveDot         string
+	// PerPage is the number of items per page.
-	InactiveDot       string
+	PerPage int
-	ArabicFormat      string
+	// TotalPages is the total number of pages.
+	TotalPages int
+	// ActiveDot is used to mark the current page under the Dots display type.
+	ActiveDot string
+	// InactiveDot is used to mark inactive pages under the Dots display type.
+	InactiveDot string
+	// ArabicFormat is the printf-style format to use for the Arabic display type.
+	ArabicFormat string
+
+	// KeyMap encodes the keybindings recognized by the widget.
+	KeyMap KeyMap
+
+	// Deprecated: customize KeyMap instead.
 	UsePgUpPgDownKeys bool
-	UseLeftRightKeys  bool
+	// Deprecated: customize KeyMap instead.
-	UseUpDownKeys     bool
+	UseLeftRightKeys bool
-	UseHLKeys         bool
+	// Deprecated: customize KeyMap instead.
-	UseJKKeys         bool
+	UseUpDownKeys bool
+	// Deprecated: customize KeyMap instead.
+	UseHLKeys bool
+	// Deprecated: customize KeyMap instead.
+	UseJKKeys bool
 }
 
 // SetTotalPages is a helper function for calculating the total number of pages
@@ -65,10 +95,9 @@ func (m Model) ItemsOnPage(totalItems int) int {
 // of the slice you're rendering and you'll receive the start and end bounds
 // corresponding the to pagination. For example:
 //
-//     bunchOfStuff := []stuff{...}
+//	bunchOfStuff := []stuff{...}
-//     start, end := model.GetSliceBounds(len(bunchOfStuff))
+//	start, end := model.GetSliceBounds(len(bunchOfStuff))
-//     sliceToRender := bunchOfStuff[start:end]
+//	sliceToRender := bunchOfStuff[start:end]
-//
 func (m *Model) GetSliceBounds(length int) (start int, end int) {
 	start = m.Page * m.PerPage
 	end = min(m.Page*m.PerPage+m.PerPage, length)
@@ -99,18 +128,14 @@ func (m Model) OnLastPage() bool {
 // New creates a new model with defaults.
 func New() Model {
 	return Model{
-		Type:              Arabic,
+		Type:         Arabic,
-		Page:              0,
+		Page:         0,
-		PerPage:           1,
+		PerPage:      1,
-		TotalPages:        1,
+		TotalPages:   1,
-		ActiveDot:         "•",
+		KeyMap:       DefaultKeyMap,
-		InactiveDot:       "○",
+		ActiveDot:    "•",
-		ArabicFormat:      "%d/%d",
+		InactiveDot:  "○",
-		UsePgUpPgDownKeys: true,
+		ArabicFormat: "%d/%d",
-		UseLeftRightKeys:  true,
-		UseUpDownKeys:     false,
-		UseHLKeys:         true,
-		UseJKKeys:         false,
 	}
 }
 
@@ -123,45 +148,11 @@ var NewModel = New
 func (m Model) Update(msg tea.Msg) (Model, tea.Cmd) {
 	switch msg := msg.(type) {
 	case tea.KeyMsg:
-		if m.UsePgUpPgDownKeys {
+		switch {
-			switch msg.String() {
+		case key.Matches(msg, m.KeyMap.NextPage):
-			case "pgup":
+			m.NextPage()
-				m.PrevPage()
+		case key.Matches(msg, m.KeyMap.PrevPage):
-			case "pgdown":
+			m.PrevPage()
-				m.NextPage()
-			}
-		}
-		if m.UseLeftRightKeys {
-			switch msg.String() {
-			case "left":
-				m.PrevPage()
-			case "right":
-				m.NextPage()
-			}
-		}
-		if m.UseUpDownKeys {
-			switch msg.String() {
-			case "up":
-				m.PrevPage()
-			case "down":
-				m.NextPage()
-			}
-		}
-		if m.UseHLKeys {
-			switch msg.String() {
-			case "h":
-				m.PrevPage()
-			case "l":
-				m.NextPage()
-			}
-		}
-		if m.UseJKKeys {
-			switch msg.String() {
-			case "j":
-				m.PrevPage()
-			case "k":
-				m.NextPage()
-			}
 		}
 	}
 

progress/progress.go

@@ -37,15 +37,12 @@ const (
 	defaultDamping   = 1.0
 )
 
-var color func(string) termenv.Color = termenv.ColorProfile().Color
+// Option is used to set options in New. For example:
-
-// Option is used to set options in NewModel. For example:
-//
-//     progress := NewModel(
-//	       WithRamp("#ff0000", "#0000ff"),
-//	       WithoutPercentage(),
-//     )
 //
+//	    progress := New(
+//		       WithRamp("#ff0000", "#0000ff"),
+//		       WithoutPercentage(),
+//	    )
 type Option func(*Model)
 
 // WithDefaultGradient sets a gradient fill with default colors.
@@ -110,6 +107,13 @@ func WithSpringOptions(frequency, damping float64) Option {
 	}
 }
 
+// WithColorProfile sets the color profile to use for the progress bar.
+func WithColorProfile(p termenv.Profile) Option {
+	return func(m *Model) {
+		m.colorProfile = p
+	}
+}
+
 // FrameMsg indicates that an animation step should occur.
 type FrameMsg struct {
 	id  int
@@ -144,8 +148,8 @@ type Model struct {
 	// Members for animated transitions.
 	spring           harmonica.Spring
 	springCustomized bool
-	percent          float64
+	percentShown     float64 // percent currently displaying
-	targetPercent    float64
+	targetPercent    float64 // percent to which we're animating
 	velocity         float64
 
 	// Gradient settings
@@ -157,6 +161,9 @@ type Model struct {
 	// of the progress bar. When false, the width of the gradient will be set
 	// to the full width of the progress bar.
 	scaleRamp bool
+
+	// Color profile for the progress bar.
+	colorProfile termenv.Profile
 }
 
 // New returns a model with default values.
@@ -170,6 +177,7 @@ func New(opts ...Option) Model {
 		EmptyColor:     "#606060",
 		ShowPercentage: true,
 		PercentFormat:  " %3.0f%%",
+		colorProfile:   termenv.ColorProfile(),
 	}
 	if !m.springCustomized {
 		m.SetSpringOptions(defaultFrequency, defaultDamping)
@@ -203,12 +211,12 @@ func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 		}
 
 		// If we've more or less reached equilibrium, stop updating.
-		dist := math.Abs(m.percent - m.targetPercent)
+		dist := math.Abs(m.percentShown - m.targetPercent)
 		if dist < 0.001 && m.velocity < 0.01 {
 			return m, nil
 		}
 
-		m.percent, m.velocity = m.spring.Update(m.percent, m.velocity, m.targetPercent)
+		m.percentShown, m.velocity = m.spring.Update(m.percentShown, m.velocity, m.targetPercent)
 		return m, m.nextFrame()
 
 	default:
@@ -224,7 +232,7 @@ func (m *Model) SetSpringOptions(frequency, damping float64) {
 	m.spring = harmonica.NewSpring(harmonica.FPS(fps), frequency, damping)
 }
 
-// Percent returns the current percentage state of the model. This is only
+// Percent returns the current visible percentage on the model. This is only
 // relevant when you're animating the progress bar.
 //
 // If you're rendering with ViewAs you won't need this.
@@ -261,7 +269,7 @@ func (m *Model) DecrPercent(v float64) tea.Cmd {
 // View renders the an animated progress bar in its current state. To render
 // a static progress bar based on your own calculations use ViewAs instead.
 func (m Model) View() string {
-	return m.ViewAs(m.percent)
+	return m.ViewAs(m.percentShown)
 }
 
 // ViewAs renders the progress bar with a given percentage.
@@ -299,18 +307,18 @@ func (m Model) barView(b *strings.Builder, percent float64, textWidth int) {
 			c := m.rampColorA.BlendLuv(m.rampColorB, p).Hex()
 			b.WriteString(termenv.
 				String(string(m.Full)).
-				Foreground(color(c)).
+				Foreground(m.color(c)).
 				String(),
 			)
 		}
 	} else {
 		// Solid fill
-		s := termenv.String(string(m.Full)).Foreground(color(m.FullColor)).String()
+		s := termenv.String(string(m.Full)).Foreground(m.color(m.FullColor)).String()
 		b.WriteString(strings.Repeat(s, fw))
 	}
 
 	// Empty fill
-	e := termenv.String(string(m.Empty)).Foreground(color(m.EmptyColor)).String()
+	e := termenv.String(string(m.Empty)).Foreground(m.color(m.EmptyColor)).String()
 	n := max(0, tw-fw)
 	b.WriteString(strings.Repeat(e, n))
 }
@@ -338,6 +346,10 @@ func (m *Model) setRamp(colorA, colorB string, scaled bool) {
 	m.rampColorB = b
 }
 
+func (m Model) color(c string) termenv.Color {
+	return m.colorProfile.Color(c)
+}
+
 func max(a, b int) int {
 	if a > b {
 		return a

spinner/spinner.go

@@ -1,17 +1,15 @@
 package spinner
 
 import (
-	"strings"
 	"sync"
 	"time"
 
 	tea "github.com/charmbracelet/bubbletea"
 	"github.com/charmbracelet/lipgloss"
-	"github.com/muesli/reflow/ansi"
 )
 
-// Internal ID management for text inputs. Necessary for blink integrity when
+// Internal ID management. Used during animating to ensure that frame messages
-// multiple text inputs are involved.
+// are received only by spinner components that sent them.
 var (
 	lastID int
 	idMtx  sync.Mutex
@@ -69,12 +67,27 @@ var (
 		Frames: []string{"🙈", "🙉", "🙊"},
 		FPS:    time.Second / 3, //nolint:gomnd
 	}
+	Meter = Spinner{
+		Frames: []string{
+			"▱▱▱",
+			"▰▱▱",
+			"▰▰▱",
+			"▰▰▰",
+			"▰▰▱",
+			"▰▱▱",
+			"▱▱▱",
+		},
+		FPS: time.Second / 7, //nolint:gomnd
+	}
+	Hamburger = Spinner{
+		Frames: []string{"☱", "☲", "☴", "☲"},
+		FPS:    time.Second / 3, //nolint:gomnd
+	}
 )
 
-// Model contains the state for the spinner. Use NewModel to create new models
+// Model contains the state for the spinner. Use New to create new models
 // rather than using Model as a struct literal.
 type Model struct {
-
 	// Spinner settings to use. See type Spinner.
 	Spinner Spinner
 
@@ -85,65 +98,9 @@ type Model struct {
 	// https://github.com/charmbracelet/lipgloss
 	Style lipgloss.Style
 
-	// MinimumLifetime is the minimum amount of time the spinner can run. Any
+	frame int
-	// logic around this can be implemented in view that implements this
+	id    int
-	// spinner. If HideFor is set MinimumLifetime will be added on top of
+	tag   int
-	// HideFor. In other words, if HideFor is 100ms and MinimumLifetime is
-	// 200ms then MinimumLifetime will expire after 300ms.
-	//
-	// MinimumLifetime is optional.
-	//
-	// This is considered experimental and may not appear in future versions of
-	// this library.
-	MinimumLifetime time.Duration
-
-	// HideFor can be used to wait to show the spinner until a certain amount
-	// of time has passed. This can be useful for preventing flicking when load
-	// times are very fast.
-	// Optional.
-	//
-	// This is considered experimental and may not appear in future versions of
-	// this library.
-	HideFor time.Duration
-
-	frame     int
-	startTime time.Time
-	id        int
-	tag       int
-}
-
-// Start resets resets the spinner start time. For use with MinimumLifetime and
-// MinimumStartTime. Optional.
-//
-// This function is optional and generally considered for advanced use only.
-// Most of the time your application logic will obviate the need for this
-// method.
-//
-// This is considered experimental and may not appear in future versions of
-// this library.
-func (m *Model) Start() {
-	m.startTime = time.Now()
-}
-
-// Finish sets the internal timer to a completed state so long as the spinner
-// isn't flagged to be showing. If it is showing, finish has no effect. The
-// idea here is that you call Finish if your operation has completed and, if
-// the spinner isn't showing yet (by virtue of HideFor) then Visible() doesn't
-// show the spinner at all.
-//
-// This is intended to work in conjunction with MinimumLifetime and
-// MinimumStartTime, is completely optional.
-//
-// This function is optional and generally considered for advanced use only.
-// Most of the time your application logic will obviate the need for this
-// method.
-//
-// This is considered experimental and may not appear in future versions of
-// this library.
-func (m *Model) Finish() {
-	if m.hidden() {
-		m.startTime = time.Time{}
-	}
 }
 
 // ID returns the spinner's unique ID.
@@ -151,54 +108,18 @@ func (m Model) ID() int {
 	return m.id
 }
 
-// advancedMode returns whether or not the user is making use of HideFor and
-// MinimumLifetime properties.
-func (m Model) advancedMode() bool {
-	return m.HideFor > 0 && m.MinimumLifetime > 0
-}
-
-// hidden returns whether or not Model.HideFor is in effect.
-func (m Model) hidden() bool {
-	if m.startTime.IsZero() {
-		return false
-	}
-	if m.HideFor == 0 {
-		return false
-	}
-	return m.startTime.Add(m.HideFor).After(time.Now())
-}
-
-// finished returns whether the minimum lifetime of this spinner has been
-// exceeded.
-func (m Model) finished() bool {
-	if m.startTime.IsZero() || m.MinimumLifetime == 0 {
-		return true
-	}
-	return m.startTime.Add(m.HideFor).Add(m.MinimumLifetime).Before(time.Now())
-}
-
-// Visible returns whether or not the view should be rendered. Works in
-// conjunction with Model.HideFor and Model.MinimumLifetimeReached. You should
-// use this method directly to determine whether or not to render this view in
-// the parent view and whether to continue sending spin messaging in the
-// parent update function.
-//
-// This function is optional and generally considered for advanced use only.
-// Most of the time your application logic will obviate the need for this
-// method.
-//
-// This is considered experimental and may not appear in future versions of
-// this library.
-func (m Model) Visible() bool {
-	return !m.hidden() && !m.finished()
-}
-
 // New returns a model with default values.
-func New() Model {
+func New(opts ...Option) Model {
-	return Model{
+	m := Model{
 		Spinner: Line,
 		id:      nextID(),
 	}
+
+	for _, opt := range opts {
+		opt(&m)
+	}
+
+	return m
 }
 
 // NewModel returns a model with default values.
@@ -213,9 +134,7 @@ type TickMsg struct {
 	ID   int
 }
 
-// Update is the Tea update function. This will advance the spinner one frame
+// Update is the Tea update function.
-// 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 (m Model) Update(msg tea.Msg) (Model, tea.Cmd) {
 	switch msg := msg.(type) {
 	case TickMsg:
@@ -250,16 +169,7 @@ func (m Model) View() string {
 		return "(error)"
 	}
 
-	frame := m.Spinner.Frames[m.frame]
+	return m.Style.Render(m.Spinner.Frames[m.frame])
-
-	// If we're using the fine-grained hide/show spinner rules and those rules
-	// deem that the spinner should be hidden, draw an empty space in place of
-	// the spinner.
-	if m.advancedMode() && !m.Visible() {
-		frame = strings.Repeat(" ", ansi.PrintableRuneWidth(frame))
-	}
-
-	return m.Style.Render(frame)
 }
 
 // Tick is the command used to advance the spinner one frame. Use this command
@@ -295,3 +205,22 @@ func (m Model) tick(id, tag int) tea.Cmd {
 func Tick() tea.Msg {
 	return TickMsg{Time: time.Now()}
 }
+
+// Option is used to set options in New. For example:
+//
+//	spinner := New(WithSpinner(Dot))
+type Option func(*Model)
+
+// WithSpinner is an option to set the spinner.
+func WithSpinner(spinner Spinner) Option {
+	return func(m *Model) {
+		m.Spinner = spinner
+	}
+}
+
+// WithStyle is an option to set the spinner style.
+func WithStyle(style lipgloss.Style) Option {
+	return func(m *Model) {
+		m.Style = style
+	}
+}

spinner/spinner_test.go

@@ -0,0 +1,61 @@
+package spinner_test
+
+import (
+	"testing"
+
+	"github.com/charmbracelet/bubbles/spinner"
+)
+
+func TestSpinnerNew(t *testing.T) {
+	assertEqualSpinner := func(t *testing.T, exp, got spinner.Spinner) {
+		t.Helper()
+
+		if exp.FPS != got.FPS {
+			t.Errorf("expecting %d FPS, got %d", exp.FPS, got.FPS)
+		}
+
+		if e, g := len(exp.Frames), len(got.Frames); e != g {
+			t.Fatalf("expecting %d frames, got %d", e, g)
+		}
+
+		for i, e := range exp.Frames {
+			if g := got.Frames[i]; e != g {
+				t.Errorf("expecting frame index %d with value %q, got %q", i, e, g)
+			}
+		}
+	}
+	t.Run("default", func(t *testing.T) {
+		s := spinner.New()
+
+		assertEqualSpinner(t, spinner.Line, s.Spinner)
+	})
+
+	t.Run("WithSpinner", func(t *testing.T) {
+		customSpinner := spinner.Spinner{
+			Frames: []string{"a", "b", "c", "d"},
+			FPS:    16,
+		}
+
+		s := spinner.New(spinner.WithSpinner(customSpinner))
+
+		assertEqualSpinner(t, customSpinner, s.Spinner)
+	})
+
+	tests := map[string]spinner.Spinner{
+		"Line":    spinner.Line,
+		"Dot":     spinner.Dot,
+		"MiniDot": spinner.MiniDot,
+		"Jump":    spinner.Jump,
+		"Pulse":   spinner.Pulse,
+		"Points":  spinner.Points,
+		"Globe":   spinner.Globe,
+		"Moon":    spinner.Moon,
+		"Monkey":  spinner.Monkey,
+	}
+
+	for name, s := range tests {
+		t.Run(name, func(t *testing.T) {
+			assertEqualSpinner(t, spinner.New(spinner.WithSpinner(s)).Spinner, s)
+		})
+	}
+}

table/table.go

@@ -0,0 +1,392 @@
+package table
+
+import (
+	"strings"
+
+	"github.com/charmbracelet/bubbles/key"
+	"github.com/charmbracelet/bubbles/viewport"
+	tea "github.com/charmbracelet/bubbletea"
+	"github.com/charmbracelet/lipgloss"
+	"github.com/mattn/go-runewidth"
+)
+
+// Model defines a state for the table widget.
+type Model struct {
+	KeyMap KeyMap
+
+	cols   []Column
+	rows   []Row
+	cursor int
+	focus  bool
+	styles Styles
+
+	viewport viewport.Model
+}
+
+// Row represents one line in the table.
+type Row []string
+
+// Column defines the table structure.
+type Column struct {
+	Title string
+	Width int
+}
+
+// KeyMap defines keybindings. It satisfies to the help.KeyMap interface, which
+// is used to render the menu menu.
+type KeyMap struct {
+	LineUp       key.Binding
+	LineDown     key.Binding
+	PageUp       key.Binding
+	PageDown     key.Binding
+	HalfPageUp   key.Binding
+	HalfPageDown key.Binding
+	GotoTop      key.Binding
+	GotoBottom   key.Binding
+}
+
+// DefaultKeyMap returns a default set of keybindings.
+func DefaultKeyMap() KeyMap {
+	const spacebar = " "
+	return KeyMap{
+		LineUp: key.NewBinding(
+			key.WithKeys("up", "k"),
+			key.WithHelp("↑/k", "up"),
+		),
+		LineDown: key.NewBinding(
+			key.WithKeys("down", "j"),
+			key.WithHelp("↓/j", "down"),
+		),
+		PageUp: key.NewBinding(
+			key.WithKeys("b", "pgup"),
+			key.WithHelp("b/pgup", "page up"),
+		),
+		PageDown: key.NewBinding(
+			key.WithKeys("f", "pgdown", spacebar),
+			key.WithHelp("f/pgdn", "page down"),
+		),
+		HalfPageUp: key.NewBinding(
+			key.WithKeys("u", "ctrl+u"),
+			key.WithHelp("u", "½ page up"),
+		),
+		HalfPageDown: key.NewBinding(
+			key.WithKeys("d", "ctrl+d"),
+			key.WithHelp("d", "½ page down"),
+		),
+		GotoTop: key.NewBinding(
+			key.WithKeys("home", "g"),
+			key.WithHelp("g/home", "go to start"),
+		),
+		GotoBottom: key.NewBinding(
+			key.WithKeys("end", "G"),
+			key.WithHelp("G/end", "go to end"),
+		),
+	}
+}
+
+// Styles contains style definitions for this list component. By default, these
+// values are generated by DefaultStyles.
+type Styles struct {
+	Header   lipgloss.Style
+	Cell     lipgloss.Style
+	Selected lipgloss.Style
+}
+
+// DefaultStyles returns a set of default style definitions for this table.
+func DefaultStyles() Styles {
+	return Styles{
+		Selected: lipgloss.NewStyle().Bold(true).Foreground(lipgloss.Color("212")),
+		Header:   lipgloss.NewStyle().Bold(true).Padding(0, 1),
+		Cell:     lipgloss.NewStyle().Padding(0, 1),
+	}
+}
+
+// SetStyles sets the table styles.
+func (m *Model) SetStyles(s Styles) {
+	m.styles = s
+	m.UpdateViewport()
+}
+
+// Option is used to set options in New. For example:
+//
+//	table := New(WithColumns([]Column{{Title: "ID", Width: 10}}))
+type Option func(*Model)
+
+// New creates a new model for the table widget.
+func New(opts ...Option) Model {
+	m := Model{
+		cursor:   0,
+		viewport: viewport.New(0, 20),
+
+		KeyMap: DefaultKeyMap(),
+		styles: DefaultStyles(),
+	}
+
+	for _, opt := range opts {
+		opt(&m)
+	}
+
+	m.UpdateViewport()
+
+	return m
+}
+
+// WithColumns sets the table columns (headers).
+func WithColumns(cols []Column) Option {
+	return func(m *Model) {
+		m.cols = cols
+	}
+}
+
+// WithRows sets the table rows (data).
+func WithRows(rows []Row) Option {
+	return func(m *Model) {
+		m.rows = rows
+	}
+}
+
+// WithHeight sets the height of the table.
+func WithHeight(h int) Option {
+	return func(m *Model) {
+		m.viewport.Height = h
+	}
+}
+
+// WithWidth sets the width of the table.
+func WithWidth(w int) Option {
+	return func(m *Model) {
+		m.viewport.Width = w
+	}
+}
+
+// WithFocused sets the focus state of the table.
+func WithFocused(f bool) Option {
+	return func(m *Model) {
+		m.focus = f
+	}
+}
+
+// WithStyles sets the table styles.
+func WithStyles(s Styles) Option {
+	return func(m *Model) {
+		m.styles = s
+	}
+}
+
+// WithKeyMap sets the key map.
+func WithKeyMap(km KeyMap) Option {
+	return func(m *Model) {
+		m.KeyMap = km
+	}
+}
+
+// Update is the Bubble Tea update loop.
+func (m Model) Update(msg tea.Msg) (Model, tea.Cmd) {
+	if !m.focus {
+		return m, nil
+	}
+
+	var cmds []tea.Cmd
+
+	switch msg := msg.(type) {
+	case tea.KeyMsg:
+		switch {
+		case key.Matches(msg, m.KeyMap.LineUp):
+			m.MoveUp(1)
+		case key.Matches(msg, m.KeyMap.LineDown):
+			m.MoveDown(1)
+		case key.Matches(msg, m.KeyMap.PageUp):
+			m.MoveUp(m.viewport.Height)
+		case key.Matches(msg, m.KeyMap.PageDown):
+			m.MoveDown(m.viewport.Height)
+		case key.Matches(msg, m.KeyMap.HalfPageUp):
+			m.MoveUp(m.viewport.Height / 2)
+		case key.Matches(msg, m.KeyMap.HalfPageDown):
+			m.MoveDown(m.viewport.Height / 2)
+		case key.Matches(msg, m.KeyMap.LineDown):
+			m.MoveDown(1)
+		case key.Matches(msg, m.KeyMap.GotoTop):
+			m.GotoTop()
+		case key.Matches(msg, m.KeyMap.GotoBottom):
+			m.GotoBottom()
+		}
+	}
+
+	return m, tea.Batch(cmds...)
+}
+
+// Focused returns the focus state of the table.
+func (m Model) Focused() bool {
+	return m.focus
+}
+
+// Focus focusses the table, allowing the user to move around the rows and
+// interact.
+func (m *Model) Focus() {
+	m.focus = true
+	m.UpdateViewport()
+}
+
+// Blur blurs the table, preventing selection or movement.
+func (m *Model) Blur() {
+	m.focus = false
+	m.UpdateViewport()
+}
+
+// View renders the component.
+func (m Model) View() string {
+	return m.headersView() + "\n" + m.viewport.View()
+}
+
+// UpdateViewport updates the list content based on the previously defined
+// columns and rows.
+func (m *Model) UpdateViewport() {
+	renderedRows := make([]string, 0, len(m.rows))
+	for i := range m.rows {
+		renderedRows = append(renderedRows, m.renderRow(i))
+	}
+
+	m.viewport.SetContent(
+		lipgloss.JoinVertical(lipgloss.Left, renderedRows...),
+	)
+}
+
+// SelectedRow returns the selected row.
+// You can cast it to your own implementation.
+func (m Model) SelectedRow() Row {
+	return m.rows[m.cursor]
+}
+
+// SetRows set a new rows state.
+func (m *Model) SetRows(r []Row) {
+	m.rows = r
+	m.UpdateViewport()
+}
+
+// SetWidth sets the width of the viewport of the table.
+func (m *Model) SetWidth(w int) {
+	m.viewport.Width = w
+	m.UpdateViewport()
+}
+
+// SetHeight sets the height of the viewport of the table.
+func (m *Model) SetHeight(h int) {
+	m.viewport.Height = h
+	m.UpdateViewport()
+}
+
+// Height returns the viewport height of the table.
+func (m Model) Height() int {
+	return m.viewport.Height
+}
+
+// Width returns the viewport width of the table.
+func (m Model) Width() int {
+	return m.viewport.Width
+}
+
+// Cursor returns the index of the selected row.
+func (m Model) Cursor() int {
+	return m.cursor
+}
+
+// SetCursor sets the cursor position in the table.
+func (m *Model) SetCursor(n int) {
+	m.cursor = clamp(n, 0, len(m.rows)-1)
+	m.UpdateViewport()
+}
+
+// MoveUp moves the selection up by any number of row.
+// It can not go above the first row.
+func (m *Model) MoveUp(n int) {
+	m.cursor = clamp(m.cursor-n, 0, len(m.rows)-1)
+	m.UpdateViewport()
+
+	if m.cursor < m.viewport.YOffset {
+		m.viewport.SetYOffset(m.cursor)
+	}
+}
+
+// MoveDown moves the selection down by any number of row.
+// It can not go below the last row.
+func (m *Model) MoveDown(n int) {
+	m.cursor = clamp(m.cursor+n, 0, len(m.rows)-1)
+	m.UpdateViewport()
+
+	if m.cursor > (m.viewport.YOffset + (m.viewport.Height - 1)) {
+		m.viewport.SetYOffset(m.cursor - (m.viewport.Height - 1))
+	}
+}
+
+// GotoTop moves the selection to the first row.
+func (m *Model) GotoTop() {
+	m.MoveUp(m.cursor)
+}
+
+// GotoBottom moves the selection to the last row.
+func (m *Model) GotoBottom() {
+	m.MoveDown(len(m.rows))
+}
+
+// FromValues create the table rows from a simple string. It uses `\n` by
+// default for getting all the rows and the given separator for the fields on
+// each row.
+func (m *Model) FromValues(value, separator string) {
+	rows := []Row{}
+	for _, line := range strings.Split(value, "\n") {
+		r := Row{}
+		for _, field := range strings.Split(line, separator) {
+			r = append(r, field)
+		}
+		rows = append(rows, r)
+	}
+
+	m.SetRows(rows)
+}
+
+func (m Model) headersView() string {
+	var s = make([]string, 0, len(m.cols))
+	for _, col := range m.cols {
+		style := lipgloss.NewStyle().Width(col.Width).MaxWidth(col.Width).Inline(true)
+		renderedCell := style.Render(runewidth.Truncate(col.Title, col.Width, "…"))
+		s = append(s, m.styles.Header.Render(renderedCell))
+	}
+	return lipgloss.JoinHorizontal(lipgloss.Left, s...)
+}
+
+func (m *Model) renderRow(rowID int) string {
+	var s = make([]string, 0, len(m.cols))
+	for i, value := range m.rows[rowID] {
+		style := lipgloss.NewStyle().Width(m.cols[i].Width).MaxWidth(m.cols[i].Width).Inline(true)
+		renderedCell := m.styles.Cell.Render(style.Render(runewidth.Truncate(value, m.cols[i].Width, "…")))
+		s = append(s, renderedCell)
+	}
+
+	row := lipgloss.JoinHorizontal(lipgloss.Left, s...)
+
+	if rowID == m.cursor {
+		return m.styles.Selected.Render(row)
+	}
+
+	return row
+}
+
+func max(a, b int) int {
+	if a > b {
+		return a
+	}
+
+	return b
+}
+
+func min(a, b int) int {
+	if a < b {
+		return a
+	}
+
+	return b
+}
+
+func clamp(v, low, high int) int {
+	return min(max(v, low), high)
+}

table/table_test.go

@@ -0,0 +1,54 @@
+package table
+
+import "testing"
+
+func TestFromValues(t *testing.T) {
+	input := "foo1,bar1\nfoo2,bar2\nfoo3,bar3"
+	table := New(WithColumns([]Column{{Title: "Foo"}, {Title: "Bar"}}))
+	table.FromValues(input, ",")
+
+	if len(table.rows) != 3 {
+		t.Fatalf("expect table to have 3 rows but it has %d", len(table.rows))
+	}
+
+	expect := []Row{
+		{"foo1", "bar1"},
+		{"foo2", "bar2"},
+		{"foo3", "bar3"},
+	}
+	if !deepEqual(table.rows, expect) {
+		t.Fatal("table rows is not equals to the input")
+	}
+}
+
+func TestFromValuesWithTabSeparator(t *testing.T) {
+	input := "foo1.\tbar1\nfoo,bar,baz\tbar,2"
+	table := New(WithColumns([]Column{{Title: "Foo"}, {Title: "Bar"}}))
+	table.FromValues(input, "\t")
+
+	if len(table.rows) != 2 {
+		t.Fatalf("expect table to have 2 rows but it has %d", len(table.rows))
+	}
+
+	expect := []Row{
+		{"foo1.", "bar1"},
+		{"foo,bar,baz", "bar,2"},
+	}
+	if !deepEqual(table.rows, expect) {
+		t.Fatal("table rows is not equals to the input")
+	}
+}
+
+func deepEqual(a, b []Row) bool {
+	if len(a) != len(b) {
+		return false
+	}
+	for i, r := range a {
+		for j, f := range r {
+			if f != b[i][j] {
+				return false
+			}
+		}
+	}
+	return true
+}

textarea/textarea_test.go

@@ -0,0 +1,446 @@
+package textarea
+
+import (
+	"strings"
+	"testing"
+
+	tea "github.com/charmbracelet/bubbletea"
+)
+
+func TestNew(t *testing.T) {
+	textarea := newTextArea()
+	view := textarea.View()
+
+	if !strings.Contains(view, ">") {
+		t.Log(view)
+		t.Error("Text area did not render the prompt")
+	}
+
+	if !strings.Contains(view, "World!") {
+		t.Log(view)
+		t.Error("Text area did not render the placeholder")
+	}
+}
+
+func TestInput(t *testing.T) {
+	textarea := newTextArea()
+
+	input := "foo"
+
+	for _, k := range []rune(input) {
+		textarea, _ = textarea.Update(keyPress(k))
+	}
+
+	view := textarea.View()
+
+	if !strings.Contains(view, input) {
+		t.Log(view)
+		t.Error("Text area did not render the input")
+	}
+
+	if textarea.col != len(input) {
+		t.Log(view)
+		t.Error("Text area did not move the cursor to the correct position")
+	}
+}
+
+func TestSoftWrap(t *testing.T) {
+	textarea := newTextArea()
+	textarea.Prompt = ""
+	textarea.ShowLineNumbers = false
+	textarea.SetWidth(5)
+	textarea.SetHeight(5)
+	textarea.CharLimit = 60
+
+	textarea, _ = textarea.Update(nil)
+
+	input := "foo bar baz"
+
+	for _, k := range []rune(input) {
+		textarea, _ = textarea.Update(keyPress(k))
+	}
+
+	view := textarea.View()
+
+	for _, word := range strings.Split(input, " ") {
+		if !strings.Contains(view, word) {
+			t.Log(view)
+			t.Error("Text area did not render the input")
+		}
+	}
+
+	// Due to the word wrapping, each word will be on a new line and the
+	// text area will look like this:
+	//
+	// > foo
+	// > bar
+	// > baz█
+	//
+	// However, due to soft-wrapping the column will still be at the end of the line.
+	if textarea.row != 0 || textarea.col != len(input) {
+		t.Log(view)
+		t.Error("Text area did not move the cursor to the correct position")
+	}
+}
+
+func TestCharLimit(t *testing.T) {
+	textarea := newTextArea()
+
+	// First input (foo bar) should be accepted as it will fall within the
+	// CharLimit. Second input (baz) should not appear in the input.
+	input := []string{"foo bar", "baz"}
+	textarea.CharLimit = len(input[0])
+
+	for _, k := range []rune(strings.Join(input, " ")) {
+		textarea, _ = textarea.Update(keyPress(k))
+	}
+
+	view := textarea.View()
+	if strings.Contains(view, input[1]) {
+		t.Log(view)
+		t.Error("Text area should not include input past the character limit")
+	}
+}
+
+func TestVerticalScrolling(t *testing.T) {
+	textarea := newTextArea()
+	textarea.Prompt = ""
+	textarea.ShowLineNumbers = false
+	textarea.SetHeight(1)
+	textarea.SetWidth(20)
+	textarea.CharLimit = 100
+
+	textarea, _ = textarea.Update(nil)
+
+	input := "This is a really long line that should wrap around the text area."
+
+	for _, k := range []rune(input) {
+		textarea, _ = textarea.Update(keyPress(k))
+	}
+
+	view := textarea.View()
+
+	// The view should contain the first "line" of the input.
+	if !strings.Contains(view, "This is a really") {
+		t.Log(view)
+		t.Error("Text area did not render the input")
+	}
+
+	// But we should be able to scroll to see the next line.
+	// Let's scroll down for each line to view the full input.
+	lines := []string{
+		"long line that",
+		"should wrap around",
+		"the text area.",
+	}
+	for _, line := range lines {
+		textarea.viewport.LineDown(1)
+		view = textarea.View()
+		if !strings.Contains(view, line) {
+			t.Log(view)
+			t.Error("Text area did not render the correct scrolled input")
+		}
+	}
+}
+
+func TestWordWrapOverflowing(t *testing.T) {
+	// An interesting edge case is when the user enters many words that fill up
+	// the text area and then goes back up and inserts a few words which causes
+	// a cascading wrap and causes an overflow of the last line.
+	//
+	// In this case, we should not let the user insert more words if, after the
+	// entire wrap is complete, the last line is overflowing.
+	textarea := newTextArea()
+
+	textarea.SetHeight(3)
+	textarea.SetWidth(20)
+	textarea.CharLimit = 500
+
+	textarea, _ = textarea.Update(nil)
+
+	input := "Testing Testing Testing Testing Testing Testing Testing Testing"
+
+	for _, k := range []rune(input) {
+		textarea, _ = textarea.Update(keyPress(k))
+		textarea.View()
+	}
+
+	// We have essentially filled the text area with input.
+	// Let's see if we can cause wrapping to overflow the last line.
+	textarea.row = 0
+	textarea.col = 0
+
+	input = "Testing"
+
+	for _, k := range []rune(input) {
+		textarea, _ = textarea.Update(keyPress(k))
+		textarea.View()
+	}
+
+	lastLineWidth := textarea.LineInfo().Width
+	if lastLineWidth > 20 {
+		t.Log(lastLineWidth)
+		t.Log(textarea.View())
+		t.Fail()
+	}
+}
+
+func TestValueSoftWrap(t *testing.T) {
+	textarea := newTextArea()
+	textarea.SetWidth(16)
+	textarea.SetHeight(10)
+	textarea.CharLimit = 500
+
+	textarea, _ = textarea.Update(nil)
+
+	input := "Testing Testing Testing Testing Testing Testing Testing Testing"
+
+	for _, k := range []rune(input) {
+		textarea, _ = textarea.Update(keyPress(k))
+		textarea.View()
+	}
+
+	value := textarea.Value()
+	if value != input {
+		t.Log(value)
+		t.Log(input)
+		t.Fatal("The text area does not have the correct value")
+	}
+}
+
+func TestSetValue(t *testing.T) {
+	textarea := newTextArea()
+	textarea.SetValue(strings.Join([]string{"Foo", "Bar", "Baz"}, "\n"))
+
+	if textarea.row != 2 && textarea.col != 3 {
+		t.Log(textarea.row, textarea.col)
+		t.Fatal("Cursor Should be on row 2 column 3 after inserting 2 new lines")
+	}
+
+	value := textarea.Value()
+	if value != "Foo\nBar\nBaz" {
+		t.Fatal("Value should be Foo\nBar\nBaz")
+	}
+
+	// SetValue should reset text area
+	textarea.SetValue("Test")
+	value = textarea.Value()
+	if value != "Test" {
+		t.Log(value)
+		t.Fatal("Text area was not reset when SetValue() was called")
+	}
+}
+
+func TestInsertString(t *testing.T) {
+	textarea := newTextArea()
+
+	// Insert some text
+	input := "foo baz"
+
+	for _, k := range []rune(input) {
+		textarea, _ = textarea.Update(keyPress(k))
+	}
+
+	// Put cursor in the middle of the text
+	textarea.col = 4
+
+	textarea.InsertString("bar ")
+
+	value := textarea.Value()
+	if value != "foo bar baz" {
+		t.Log(value)
+		t.Fatal("Expected insert string to insert bar between foo and baz")
+	}
+}
+
+func TestCanHandleEmoji(t *testing.T) {
+	textarea := newTextArea()
+	input := "🧋"
+
+	for _, k := range []rune(input) {
+		textarea, _ = textarea.Update(keyPress(k))
+	}
+
+	value := textarea.Value()
+	if value != input {
+		t.Log(value)
+		t.Fatal("Expected emoji to be inserted")
+	}
+
+	input = "🧋🧋🧋"
+
+	textarea.SetValue(input)
+
+	value = textarea.Value()
+	if value != input {
+		t.Log(value)
+		t.Fatal("Expected emoji to be inserted")
+	}
+
+	if textarea.col != 3 {
+		t.Log(textarea.col)
+		t.Fatal("Expected cursor to be on the third character")
+	}
+
+	if charOffset := textarea.LineInfo().CharOffset; charOffset != 6 {
+		t.Log(charOffset)
+		t.Fatal("Expected cursor to be on the sixth character")
+	}
+}
+
+func TestVerticalNavigationKeepsCursorHorizontalPosition(t *testing.T) {
+	textarea := newTextArea()
+	textarea.SetWidth(20)
+
+	textarea.SetValue(strings.Join([]string{"你好你好", "Hello"}, "\n"))
+
+	textarea.row = 0
+	textarea.col = 2
+
+	// 你好|你好
+	// Hell|o
+	// 1234|
+
+	// Let's imagine our cursor is on the first line where the pipe is.
+	// We press the down arrow to get to the next line.
+	// The issue is that if we keep the cursor on the same column, the cursor will jump to after the `e`.
+	//
+	// 你好|你好
+	// He|llo
+	//
+	// But this is wrong because visually we were at the 4th character due to
+	// the first line containing double-width runes.
+	// We want to keep the cursor on the same visual column.
+	//
+	// 你好|你好
+	// Hell|o
+	//
+	// This test ensures that the cursor is kept on the same visual column by
+	// ensuring that the column offset goes from 2 -> 4.
+
+	lineInfo := textarea.LineInfo()
+	if lineInfo.CharOffset != 4 || lineInfo.ColumnOffset != 2 {
+		t.Log(lineInfo.CharOffset)
+		t.Log(lineInfo.ColumnOffset)
+		t.Fatal("Expected cursor to be on the fourth character because there two double width runes on the first line.")
+	}
+
+	downMsg := tea.KeyMsg{Type: tea.KeyDown, Alt: false, Runes: []rune{}}
+	textarea, _ = textarea.Update(downMsg)
+
+	lineInfo = textarea.LineInfo()
+	if lineInfo.CharOffset != 4 || lineInfo.ColumnOffset != 4 {
+		t.Log(lineInfo.CharOffset)
+		t.Log(lineInfo.ColumnOffset)
+		t.Fatal("Expected cursor to be on the fourth character because we came down from the first line.")
+	}
+}
+
+func TestVerticalNavigationShouldRememberPositionWhileTraversing(t *testing.T) {
+	textarea := newTextArea()
+	textarea.SetWidth(40)
+
+	// Let's imagine we have a text area with the following content:
+	//
+	// Hello
+	// World
+	// This is a long line.
+	//
+	// If we are at the end of the last line and go up, we should be at the end
+	// of the second line.
+	// And, if we go up again we should be at the end of the first line.
+	// But, if we go back down twice, we should be at the end of the last line
+	// again and not the fifth (length of second line) character of the last line.
+	//
+	// In other words, we should remember the last horizontal position while
+	// traversing vertically.
+
+	textarea.SetValue(strings.Join([]string{"Hello", "World", "This is a long line."}, "\n"))
+
+	// We are at the end of the last line.
+	if textarea.col != 20 || textarea.row != 2 {
+		t.Log(textarea.col)
+		t.Fatal("Expected cursor to be on the 20th character of the last line")
+	}
+
+	// Let's go up.
+	upMsg := tea.KeyMsg{Type: tea.KeyUp, Alt: false, Runes: []rune{}}
+	textarea, _ = textarea.Update(upMsg)
+
+	// We should be at the end of the second line.
+	if textarea.col != 5 || textarea.row != 1 {
+		t.Log(textarea.col)
+		t.Fatal("Expected cursor to be on the 5th character of the second line")
+	}
+
+	// And, again.
+	textarea, _ = textarea.Update(upMsg)
+
+	// We should be at the end of the first line.
+	if textarea.col != 5 || textarea.row != 0 {
+		t.Log(textarea.col)
+		t.Fatal("Expected cursor to be on the 5th character of the first line")
+	}
+
+	// Let's go down, twice.
+	downMsg := tea.KeyMsg{Type: tea.KeyDown, Alt: false, Runes: []rune{}}
+	textarea, _ = textarea.Update(downMsg)
+	textarea, _ = textarea.Update(downMsg)
+
+	// We should be at the end of the last line.
+	if textarea.col != 20 || textarea.row != 2 {
+		t.Log(textarea.col)
+		t.Fatal("Expected cursor to be on the 20th character of the last line")
+	}
+
+	// Now, for correct behavior, if we move right or left, we should forget
+	// (reset) the saved horizontal position. Since we assume the user wants to
+	// keep the cursor where it is horizontally. This is how most text areas
+	// work.
+
+	textarea, _ = textarea.Update(upMsg)
+	leftMsg := tea.KeyMsg{Type: tea.KeyLeft, Alt: false, Runes: []rune{}}
+	textarea, _ = textarea.Update(leftMsg)
+
+	if textarea.col != 4 || textarea.row != 1 {
+		t.Log(textarea.col)
+		t.Fatal("Expected cursor to be on the 5th character of the second line")
+	}
+
+	// Going down now should keep us at the 4th column since we moved left and
+	// reset the horizontal position saved state.
+	textarea, _ = textarea.Update(downMsg)
+	if textarea.col != 4 || textarea.row != 2 {
+		t.Log(textarea.col)
+		t.Fatal("Expected cursor to be on the 4th character of the last line")
+	}
+}
+
+func TestRendersEndOfLineBuffer(t *testing.T) {
+	textarea := newTextArea()
+	textarea.ShowLineNumbers = true
+	textarea.SetWidth(20)
+
+	view := textarea.View()
+	if !strings.Contains(view, "~") {
+		t.Log(view)
+		t.Fatal("Expected to see a tilde at the end of the line")
+	}
+}
+
+func newTextArea() Model {
+	textarea := New()
+
+	textarea.Prompt = "> "
+	textarea.Placeholder = "Hello, World!"
+
+	textarea.Focus()
+
+	textarea, _ = textarea.Update(nil)
+
+	return textarea
+}
+
+func keyPress(key rune) tea.Msg {
+	return tea.KeyMsg{Type: tea.KeyRunes, Runes: []rune{key}, Alt: false}
+}

textinput/textinput.go

@@ -1,48 +1,18 @@
 package textinput
 
 import (
-	"context"
 	"strings"
-	"sync"
 	"time"
 	"unicode"
 
 	"github.com/atotto/clipboard"
+	"github.com/charmbracelet/bubbles/cursor"
+	"github.com/charmbracelet/bubbles/key"
 	tea "github.com/charmbracelet/bubbletea"
 	"github.com/charmbracelet/lipgloss"
 	rw "github.com/mattn/go-runewidth"
 )
 
-const defaultBlinkSpeed = time.Millisecond * 530
-
-// Internal ID management for text inputs. Necessary for blink integrity when
-// multiple text inputs are involved.
-var (
-	lastID int
-	idMtx  sync.Mutex
-)
-
-// Return the next ID we should use on the Model.
-func nextID() int {
-	idMtx.Lock()
-	defer idMtx.Unlock()
-	lastID++
-	return lastID
-}
-
-// initialBlinkMsg initializes cursor blinking.
-type initialBlinkMsg struct{}
-
-// blinkMsg signals that the cursor should blink. It contains metadata that
-// allows us to tell if the blink message is the one we're expecting.
-type blinkMsg struct {
-	id  int
-	tag int
-}
-
-// blinkCanceled is sent when a blink operation is canceled.
-type blinkCanceled struct{}
-
 // Internal messages for clipboard operations.
 type pasteMsg string
 type pasteErrMsg struct{ error }
@@ -65,30 +35,42 @@ const (
 	// EchoOnEdit.
 )
 
-// blinkCtx manages cursor blinking.
+// ValidateFunc is a function that returns an error if the input is invalid.
-type blinkCtx struct {
+type ValidateFunc func(string) error
-	ctx    context.Context
+
-	cancel context.CancelFunc
+// KeyMap is the key bindings for different actions within the textinput.
+type KeyMap struct {
+	CharacterForward        key.Binding
+	CharacterBackward       key.Binding
+	WordForward             key.Binding
+	WordBackward            key.Binding
+	DeleteWordBackward      key.Binding
+	DeleteWordForward       key.Binding
+	DeleteAfterCursor       key.Binding
+	DeleteBeforeCursor      key.Binding
+	DeleteCharacterBackward key.Binding
+	DeleteCharacterForward  key.Binding
+	LineStart               key.Binding
+	LineEnd                 key.Binding
+	Paste                   key.Binding
 }
 
-// CursorMode describes the behavior of the cursor.
+// DefaultKeyMap is the default set of key bindings for navigating and acting
-type CursorMode int
+// upon the textinput.
-
+var DefaultKeyMap = KeyMap{
-// Available cursor modes.
+	CharacterForward:        key.NewBinding(key.WithKeys("right", "ctrl+f")),
-const (
+	CharacterBackward:       key.NewBinding(key.WithKeys("left", "ctrl+b")),
-	CursorBlink CursorMode = iota
+	WordForward:             key.NewBinding(key.WithKeys("alt+right", "alt+f")),
-	CursorStatic
+	WordBackward:            key.NewBinding(key.WithKeys("alt+left", "alt+b")),
-	CursorHide
+	DeleteWordBackward:      key.NewBinding(key.WithKeys("alt+backspace", "ctrl+w")),
-)
+	DeleteWordForward:       key.NewBinding(key.WithKeys("alte+delete", "alt+d")),
-
+	DeleteAfterCursor:       key.NewBinding(key.WithKeys("ctrl+k")),
-// String returns a the cursor mode in a human-readable format. This method is
+	DeleteBeforeCursor:      key.NewBinding(key.WithKeys("ctrl+u")),
-// provisional and for informational purposes only.
+	DeleteCharacterBackward: key.NewBinding(key.WithKeys("backspace", "ctrl+h")),
-func (c CursorMode) String() string {
+	DeleteCharacterForward:  key.NewBinding(key.WithKeys("delete", "ctrl+d")),
-	return [...]string{
+	LineStart:               key.NewBinding(key.WithKeys("home", "ctrl+a")),
-		"blink",
+	LineEnd:                 key.NewBinding(key.WithKeys("end", "ctrl+e")),
-		"static",
+	Paste:                   key.NewBinding(key.WithKeys("ctrl+v")),
-		"hidden",
-	}[c]
 }
 
 // Model is the Bubble Tea model for this text input element.
@@ -98,9 +80,13 @@ type Model struct {
 	// General settings.
 	Prompt        string
 	Placeholder   string
-	BlinkSpeed    time.Duration
 	EchoMode      EchoMode
 	EchoCharacter rune
+	Cursor        cursor.Model
+
+	// Deprecated: use cursor.BlinkSpeed instead.
+	// This is unused and will be removed in the future.
+	BlinkSpeed time.Duration
 
 	// Styles. These will be applied as inline styles.
 	//
@@ -121,11 +107,8 @@ type Model struct {
 	// viewport. If 0 or less this setting is ignored.
 	Width int
 
-	// The ID of this Model as it relates to other textinput Models.
+	// KeyMap encodes the keybindings recognized by the widget.
-	id int
+	KeyMap KeyMap
-
-	// The ID of the blink message we're expecting to receive.
-	blinkTag int
 
 	// Underlying text value.
 	value []rune
@@ -134,9 +117,6 @@ type Model struct {
 	// component. When false, ignore keyboard input and hide the cursor.
 	focus bool
 
-	// Cursor blink state.
-	blink bool
-
 	// Cursor position.
 	pos int
 
@@ -145,32 +125,26 @@ type Model struct {
 	offset      int
 	offsetRight int
 
-	// Used to manage cursor blink
+	// Validate is a function that checks whether or not the text within the
-	blinkCtx *blinkCtx
+	// input is valid. If it is not valid, the `Err` field will be set to the
-
+	// error returned by the function. If the function is not defined, all
-	// cursorMode determines the behavior of the cursor
+	// input is considered valid.
-	cursorMode CursorMode
+	Validate ValidateFunc
 }
 
-// NewModel creates a new model with default settings.
+// New creates a new model with default settings.
 func New() Model {
 	return Model{
 		Prompt:           "> ",
-		BlinkSpeed:       defaultBlinkSpeed,
 		EchoCharacter:    '*',
 		CharLimit:        0,
 		PlaceholderStyle: lipgloss.NewStyle().Foreground(lipgloss.Color("240")),
+		Cursor:           cursor.New(),
+		KeyMap:           DefaultKeyMap,
 
-		id:         nextID(),
+		value: nil,
-		value:      nil,
+		focus: false,
-		focus:      false,
+		pos:   0,
-		blink:      true,
-		pos:        0,
-		cursorMode: CursorBlink,
-
-		blinkCtx: &blinkCtx{
-			ctx: context.Background(),
-		},
 	}
 }
 
@@ -181,14 +155,24 @@ var NewModel = New
 
 // SetValue sets the value of the text input.
 func (m *Model) SetValue(s string) {
+	if m.Validate != nil {
+		if err := m.Validate(s); err != nil {
+			m.Err = err
+			return
+		}
+	}
+
+	empty := len(m.value) == 0
+	m.Err = nil
+
 	runes := []rune(s)
 	if m.CharLimit > 0 && len(runes) > m.CharLimit {
 		m.value = runes[:m.CharLimit]
 	} else {
 		m.value = runes
 	}
-	if m.pos == 0 || m.pos > len(m.value) {
+	if (m.pos == 0 && empty) || m.pos > len(m.value) {
-		m.setCursor(len(m.value))
+		m.SetCursor(len(m.value))
 	}
 	m.handleOverflow()
 }
@@ -198,69 +182,26 @@ func (m Model) Value() string {
 	return string(m.value)
 }
 
-// Cursor returns the cursor position.
+// Position returns the cursor position.
-func (m Model) Cursor() int {
+func (m Model) Position() int {
 	return m.pos
 }
 
 // SetCursor moves the cursor to the given position. If the position is
 // out of bounds the cursor will be moved to the start or end accordingly.
 func (m *Model) SetCursor(pos int) {
-	m.setCursor(pos)
-}
-
-// setCursor moves the cursor to the given position and returns whether or not
-// the cursor blink should be reset. If the position is out of bounds the
-// cursor will be moved to the start or end accordingly.
-func (m *Model) setCursor(pos int) bool {
 	m.pos = clamp(pos, 0, len(m.value))
 	m.handleOverflow()
-
-	// Show the cursor unless it's been explicitly hidden
-	m.blink = m.cursorMode == CursorHide
-
-	// Reset cursor blink if necessary
-	return m.cursorMode == CursorBlink
 }
 
 // CursorStart moves the cursor to the start of the input field.
 func (m *Model) CursorStart() {
-	m.cursorStart()
+	m.SetCursor(0)
-}
-
-// cursorStart moves the cursor to the start of the input field and returns
-// whether or not the curosr blink should be reset.
-func (m *Model) cursorStart() bool {
-	return m.setCursor(0)
 }
 
 // CursorEnd moves the cursor to the end of the input field.
 func (m *Model) CursorEnd() {
-	m.cursorEnd()
+	m.SetCursor(len(m.value))
-}
-
-// CursorMode returns the model's cursor mode. For available cursor modes, see
-// type CursorMode.
-func (m Model) CursorMode() CursorMode {
-	return m.cursorMode
-}
-
-// CursorMode sets the model's cursor mode. This method returns a command.
-//
-// For available cursor modes, see type CursorMode.
-func (m *Model) SetCursorMode(mode CursorMode) tea.Cmd {
-	m.cursorMode = mode
-	m.blink = m.cursorMode == CursorHide || !m.focus
-	if mode == CursorBlink {
-		return Blink
-	}
-	return nil
-}
-
-// cursorEnd moves the cursor to the end of the input field and returns whether
-// the cursor should blink should reset.
-func (m *Model) cursorEnd() bool {
-	return m.setCursor(len(m.value))
 }
 
 // Focused returns the focus state on the model.
@@ -269,34 +210,27 @@ func (m Model) Focused() bool {
 }
 
 // Focus sets the focus state on the model. When the model is in focus it can
-// receive keyboard input and the cursor will be hidden.
+// receive keyboard input and the cursor will be shown.
 func (m *Model) Focus() tea.Cmd {
 	m.focus = true
-	m.blink = m.cursorMode == CursorHide // show the cursor unless we've explicitly hidden it
+	return m.Cursor.Focus()
-
-	if m.cursorMode == CursorBlink && m.focus {
-		return m.blinkCmd()
-	}
-	return nil
 }
 
 // Blur removes the focus state on the model.  When the model is blurred it can
 // not receive keyboard input and the cursor will be hidden.
 func (m *Model) Blur() {
 	m.focus = false
-	m.blink = true
+	m.Cursor.Blur()
 }
 
-// Reset sets the input to its default state with no input. Returns whether
+// Reset sets the input to its default state with no input.
-// or not the cursor blink should reset.
+func (m *Model) Reset() {
-func (m *Model) Reset() bool {
 	m.value = nil
-	return m.setCursor(0)
+	m.SetCursor(0)
 }
 
-// handle a clipboard paste event, if supported. Returns whether or not the
+// handle a clipboard paste event, if supported.
-// cursor blink should reset.
+func (m *Model) handlePaste(v string) {
-func (m *Model) handlePaste(v string) bool {
 	paste := []rune(v)
 
 	var availSpace int
@@ -306,7 +240,7 @@ func (m *Model) handlePaste(v string) bool {
 
 	// If the char limit's been reached cancel
 	if m.CharLimit > 0 && availSpace <= 0 {
-		return false
+		return
 	}
 
 	// If there's not enough space to paste the whole thing cut the pasted
@@ -321,6 +255,8 @@ func (m *Model) handlePaste(v string) bool {
 	tail := make([]rune, len(tailSrc))
 	copy(tail, tailSrc)
 
+	oldPos := m.pos
+
 	// Insert pasted runes
 	for _, r := range paste {
 		head = append(head, r)
@@ -334,10 +270,14 @@ func (m *Model) handlePaste(v string) bool {
 	}
 
 	// Put it all back together
-	m.value = append(head, tail...)
+	value := append(head, tail...)
+	m.SetValue(string(value))
 
-	// Reset blink state if necessary and run overflow checks
+	if m.Err != nil {
-	return m.setCursor(m.pos)
+		m.pos = oldPos
+	}
+
+	m.SetCursor(m.pos)
 }
 
 // If a max width is defined, perform some logic to treat the visible area
@@ -385,31 +325,30 @@ func (m *Model) handleOverflow() {
 	}
 }
 
-// deleteBeforeCursor deletes all text before the cursor. Returns whether or
+// deleteBeforeCursor deletes all text before the cursor.
-// not the cursor blink should be reset.
+func (m *Model) deleteBeforeCursor() {
-func (m *Model) deleteBeforeCursor() bool {
 	m.value = m.value[m.pos:]
 	m.offset = 0
-	return m.setCursor(0)
+	m.SetCursor(0)
 }
 
-// deleteAfterCursor deletes all text after the cursor. Returns whether or not
+// deleteAfterCursor deletes all text after the cursor. If input is masked
-// the cursor blink should be reset. If input is masked delete everything after
+// delete everything after the cursor so as not to reveal word breaks in the
-// the cursor so as not to reveal word breaks in the masked input.
+// masked input.
-func (m *Model) deleteAfterCursor() bool {
+func (m *Model) deleteAfterCursor() {
 	m.value = m.value[:m.pos]
-	return m.setCursor(len(m.value))
+	m.SetCursor(len(m.value))
 }
 
-// deleteWordLeft deletes the word left to the cursor. Returns whether or not
+// deleteWordBackward deletes the word left to the cursor.
-// the cursor blink should be reset.
+func (m *Model) deleteWordBackward() {
-func (m *Model) deleteWordLeft() bool {
 	if m.pos == 0 || len(m.value) == 0 {
-		return false
+		return
 	}
 
 	if m.EchoMode != EchoNormal {
-		return m.deleteBeforeCursor()
+		m.deleteBeforeCursor()
+		return
 	}
 
 	// Linter note: it's critical that we acquire the initial cursor position
@@ -417,22 +356,22 @@ func (m *Model) deleteWordLeft() bool {
 	// call into the corresponding if clause does not apply here.
 	oldPos := m.pos //nolint:ifshort
 
-	blink := m.setCursor(m.pos - 1)
+	m.SetCursor(m.pos - 1)
 	for unicode.IsSpace(m.value[m.pos]) {
 		if m.pos <= 0 {
 			break
 		}
 		// ignore series of whitespace before cursor
-		blink = m.setCursor(m.pos - 1)
+		m.SetCursor(m.pos - 1)
 	}
 
 	for m.pos > 0 {
 		if !unicode.IsSpace(m.value[m.pos]) {
-			blink = m.setCursor(m.pos - 1)
+			m.SetCursor(m.pos - 1)
 		} else {
 			if m.pos > 0 {
 				// keep the previous space
-				blink = m.setCursor(m.pos + 1)
+				m.SetCursor(m.pos + 1)
 			}
 			break
 		}
@@ -443,27 +382,26 @@ func (m *Model) deleteWordLeft() bool {
 	} else {
 		m.value = append(m.value[:m.pos], m.value[oldPos:]...)
 	}
-
-	return blink
 }
 
-// deleteWordRight deletes the word right to the cursor. Returns whether or not
+// deleteWordForward deletes the word right to the cursor If input is masked
-// the cursor blink should be reset. If input is masked delete everything after
+// delete everything after the cursor so as not to reveal word breaks in the
-// the cursor so as not to reveal word breaks in the masked input.
+// masked input.
-func (m *Model) deleteWordRight() bool {
+func (m *Model) deleteWordForward() {
 	if m.pos >= len(m.value) || len(m.value) == 0 {
-		return false
+		return
 	}
 
 	if m.EchoMode != EchoNormal {
-		return m.deleteAfterCursor()
+		m.deleteAfterCursor()
+		return
 	}
 
 	oldPos := m.pos
-	m.setCursor(m.pos + 1)
+	m.SetCursor(m.pos + 1)
 	for unicode.IsSpace(m.value[m.pos]) {
 		// ignore series of whitespace after cursor
-		m.setCursor(m.pos + 1)
+		m.SetCursor(m.pos + 1)
 
 		if m.pos >= len(m.value) {
 			break
@@ -472,7 +410,7 @@ func (m *Model) deleteWordRight() bool {
 
 	for m.pos < len(m.value) {
 		if !unicode.IsSpace(m.value[m.pos]) {
-			m.setCursor(m.pos + 1)
+			m.SetCursor(m.pos + 1)
 		} else {
 			break
 		}
@@ -484,26 +422,25 @@ func (m *Model) deleteWordRight() bool {
 		m.value = append(m.value[:oldPos], m.value[m.pos:]...)
 	}
 
-	return m.setCursor(oldPos)
+	m.SetCursor(oldPos)
 }
 
-// wordLeft moves the cursor one word to the left. Returns whether or not the
+// wordBackward moves the cursor one word to the left. If input is masked, move
-// cursor blink should be reset. If input is masked, move input to the start
+// input to the start so as not to reveal word breaks in the masked input.
-// so as not to reveal word breaks in the masked input.
+func (m *Model) wordBackward() {
-func (m *Model) wordLeft() bool {
 	if m.pos == 0 || len(m.value) == 0 {
-		return false
+		return
 	}
 
 	if m.EchoMode != EchoNormal {
-		return m.cursorStart()
+		m.CursorStart()
+		return
 	}
 
-	blink := false
 	i := m.pos - 1
 	for i >= 0 {
 		if unicode.IsSpace(m.value[i]) {
-			blink = m.setCursor(m.pos - 1)
+			m.SetCursor(m.pos - 1)
 			i--
 		} else {
 			break
@@ -512,33 +449,30 @@ func (m *Model) wordLeft() bool {
 
 	for i >= 0 {
 		if !unicode.IsSpace(m.value[i]) {
-			blink = m.setCursor(m.pos - 1)
+			m.SetCursor(m.pos - 1)
 			i--
 		} else {
 			break
 		}
 	}
-
-	return blink
 }
 
-// wordRight moves the cursor one word to the right. Returns whether or not the
+// wordForward moves the cursor one word to the right. If the input is masked,
-// cursor blink should be reset. If the input is masked, move input to the end
+// move input to the end so as not to reveal word breaks in the masked input.
-// so as not to reveal word breaks in the masked input.
+func (m *Model) wordForward() {
-func (m *Model) wordRight() bool {
 	if m.pos >= len(m.value) || len(m.value) == 0 {
-		return false
+		return
 	}
 
 	if m.EchoMode != EchoNormal {
-		return m.cursorEnd()
+		m.CursorEnd()
+		return
 	}
 
-	blink := false
 	i := m.pos
 	for i < len(m.value) {
 		if unicode.IsSpace(m.value[i]) {
-			blink = m.setCursor(m.pos + 1)
+			m.SetCursor(m.pos + 1)
 			i++
 		} else {
 			break
@@ -547,14 +481,12 @@ func (m *Model) wordRight() bool {
 
 	for i < len(m.value) {
 		if !unicode.IsSpace(m.value[i]) {
-			blink = m.setCursor(m.pos + 1)
+			m.SetCursor(m.pos + 1)
 			i++
 		} else {
 			break
 		}
 	}
-
-	return blink
 }
 
 func (m Model) echoTransform(v string) string {
@@ -572,129 +504,92 @@ func (m Model) echoTransform(v string) string {
 // Update is the Bubble Tea update loop.
 func (m Model) Update(msg tea.Msg) (Model, tea.Cmd) {
 	if !m.focus {
-		m.blink = true
 		return m, nil
 	}
 
-	var resetBlink bool
+	// Let's remember where the position of the cursor currently is so that if
+	// the cursor position changes, we can reset the blink.
+	oldPos := m.pos //nolint
 
 	switch msg := msg.(type) {
 	case tea.KeyMsg:
-		switch msg.Type {
+		switch {
-		case tea.KeyBackspace: // delete character before cursor
+		case key.Matches(msg, m.KeyMap.DeleteWordBackward):
-			if msg.Alt {
+			m.Err = nil
-				resetBlink = m.deleteWordLeft()
+			m.deleteWordBackward()
-			} else {
+		case key.Matches(msg, m.KeyMap.DeleteCharacterBackward):
-				if len(m.value) > 0 {
+			m.Err = nil
-					m.value = append(m.value[:max(0, m.pos-1)], m.value[m.pos:]...)
+			if len(m.value) > 0 {
-					if m.pos > 0 {
+				m.value = append(m.value[:max(0, m.pos-1)], m.value[m.pos:]...)
-						resetBlink = m.setCursor(m.pos - 1)
+				if m.pos > 0 {
-					}
+					m.SetCursor(m.pos - 1)
 				}
 			}
-		case tea.KeyLeft, tea.KeyCtrlB:
+		case key.Matches(msg, m.KeyMap.WordBackward):
-			if msg.Alt { // alt+left arrow, back one word
+			m.wordBackward()
-				resetBlink = m.wordLeft()
+		case key.Matches(msg, m.KeyMap.CharacterBackward):
-				break
+			if m.pos > 0 {
+				m.SetCursor(m.pos - 1)
 			}
-			if m.pos > 0 { // left arrow, ^F, back one character
+		case key.Matches(msg, m.KeyMap.WordForward):
-				resetBlink = m.setCursor(m.pos - 1)
+			m.wordForward()
+		case key.Matches(msg, m.KeyMap.CharacterForward):
+			if m.pos < len(m.value) {
+				m.SetCursor(m.pos + 1)
 			}
-		case tea.KeyRight, tea.KeyCtrlF:
+		case key.Matches(msg, m.KeyMap.DeleteWordBackward):
-			if msg.Alt { // alt+right arrow, forward one word
+			m.deleteWordBackward()
-				resetBlink = m.wordRight()
+		case key.Matches(msg, m.KeyMap.LineStart):
-				break
+			m.CursorStart()
-			}
+		case key.Matches(msg, m.KeyMap.DeleteCharacterForward):
-			if m.pos < len(m.value) { // right arrow, ^F, forward one character
-				resetBlink = m.setCursor(m.pos + 1)
-			}
-		case tea.KeyCtrlW: // ^W, delete word left of cursor
-			resetBlink = m.deleteWordLeft()
-		case tea.KeyHome, tea.KeyCtrlA: // ^A, go to beginning
-			resetBlink = m.cursorStart()
-		case tea.KeyDelete, tea.KeyCtrlD: // ^D, delete char under cursor
 			if len(m.value) > 0 && m.pos < len(m.value) {
 				m.value = append(m.value[:m.pos], m.value[m.pos+1:]...)
 			}
-		case tea.KeyCtrlE, tea.KeyEnd: // ^E, go to end
+		case key.Matches(msg, m.KeyMap.LineEnd):
-			resetBlink = m.cursorEnd()
+			m.CursorEnd()
-		case tea.KeyCtrlK: // ^K, kill text after cursor
+		case key.Matches(msg, m.KeyMap.DeleteAfterCursor):
-			resetBlink = m.deleteAfterCursor()
+			m.deleteAfterCursor()
-		case tea.KeyCtrlU: // ^U, kill text before cursor
+		case key.Matches(msg, m.KeyMap.DeleteBeforeCursor):
-			resetBlink = m.deleteBeforeCursor()
+			m.deleteBeforeCursor()
-		case tea.KeyCtrlV: // ^V paste
+		case key.Matches(msg, m.KeyMap.Paste):
 			return m, Paste
-		case tea.KeyRunes: // input regular characters
+		case key.Matches(msg, m.KeyMap.DeleteWordForward):
-			if msg.Alt && len(msg.Runes) == 1 {
+			m.deleteWordForward()
-				if msg.Runes[0] == 'd' { // alt+d, delete word right of cursor
+		default:
-					resetBlink = m.deleteWordRight()
-					break
-				}
-				if msg.Runes[0] == 'b' { // alt+b, back one word
-					resetBlink = m.wordLeft()
-					break
-				}
-				if msg.Runes[0] == 'f' { // alt+f, forward one word
-					resetBlink = m.wordRight()
-					break
-				}
-			}
-
 			// Input a regular character
 			if m.CharLimit <= 0 || len(m.value) < m.CharLimit {
-				m.value = append(m.value[:m.pos], append(msg.Runes, m.value[m.pos:]...)...)
+				runes := msg.Runes
-				resetBlink = m.setCursor(m.pos + len(msg.Runes))
+
+				value := make([]rune, len(m.value))
+				copy(value, m.value)
+				value = append(value[:m.pos], append(runes, value[m.pos:]...)...)
+				m.SetValue(string(value))
+				if m.Err == nil {
+					m.SetCursor(m.pos + len(runes))
+				}
 			}
 		}
 
-	case initialBlinkMsg:
-		// We accept all initialBlinkMsgs genrated by the Blink command.
-
-		if m.cursorMode != CursorBlink || !m.focus {
-			return m, nil
-		}
-
-		cmd := m.blinkCmd()
-		return m, cmd
-
-	case blinkMsg:
-		// We're choosy about whether to accept blinkMsgs so that our cursor
-		// only exactly when it should.
-
-		// Is this model blinkable?
-		if m.cursorMode != CursorBlink || !m.focus {
-			return m, nil
-		}
-
-		// Were we expecting this blink message?
-		if msg.id != m.id || msg.tag != m.blinkTag {
-			return m, nil
-		}
-
-		var cmd tea.Cmd
-		if m.cursorMode == CursorBlink {
-			m.blink = !m.blink
-			cmd = m.blinkCmd()
-		}
-		return m, cmd
-
-	case blinkCanceled: // no-op
-		return m, nil
-
 	case pasteMsg:
-		resetBlink = m.handlePaste(string(msg))
+		m.handlePaste(string(msg))
 
 	case pasteErrMsg:
 		m.Err = msg
 	}
 
+	var cmds []tea.Cmd
 	var cmd tea.Cmd
-	if resetBlink {
+
-		cmd = m.blinkCmd()
+	m.Cursor, cmd = m.Cursor.Update(msg)
+	cmds = append(cmds, cmd)
+
+	if oldPos != m.pos {
+		m.Cursor.Blink = false
+		cmds = append(cmds, m.Cursor.BlinkCmd())
 	}
 
 	m.handleOverflow()
-	return m, cmd
+	return m, tea.Batch(cmds...)
 }
 
 // View renders the textinput in its current state.
@@ -711,10 +606,13 @@ func (m Model) View() string {
 	v := styleText(m.echoTransform(string(value[:pos])))
 
 	if pos < len(value) {
-		v += m.cursorView(m.echoTransform(string(value[pos]))) // cursor and text under it
+		char := m.echoTransform(string(value[pos]))
+		m.Cursor.SetChar(char)
+		v += m.Cursor.View()                                   // cursor and text under it
 		v += styleText(m.echoTransform(string(value[pos+1:]))) // text after cursor
 	} else {
-		v += m.cursorView(" ")
+		m.Cursor.SetChar(" ")
+		v += m.Cursor.View()
 	}
 
 	// If a max width and background color were set fill the empty spaces with
@@ -739,12 +637,9 @@ func (m Model) placeholderView() string {
 		style = m.PlaceholderStyle.Inline(true).Render
 	)
 
-	// Cursor
+	m.Cursor.TextStyle = m.PlaceholderStyle
-	if m.blink {
+	m.Cursor.SetChar(p[:1])
-		v += m.cursorView(style(p[:1]))
+	v += m.Cursor.View()
-	} else {
-		v += m.cursorView(p[:1])
-	}
 
 	// The rest of the placeholder text
 	v += style(p[1:])
@@ -752,42 +647,9 @@ func (m Model) placeholderView() string {
 	return m.PromptStyle.Render(m.Prompt) + v
 }
 
-// cursorView styles the cursor.
-func (m Model) cursorView(v string) string {
-	if m.blink {
-		return m.TextStyle.Render(v)
-	}
-	return m.CursorStyle.Inline(true).Reverse(true).Render(v)
-}
-
-// blinkCmd is an internal command used to manage cursor blinking.
-func (m *Model) blinkCmd() tea.Cmd {
-	if m.cursorMode != CursorBlink {
-		return nil
-	}
-
-	if m.blinkCtx != nil && m.blinkCtx.cancel != nil {
-		m.blinkCtx.cancel()
-	}
-
-	ctx, cancel := context.WithTimeout(m.blinkCtx.ctx, m.BlinkSpeed)
-	m.blinkCtx.cancel = cancel
-
-	m.blinkTag++
-
-	return func() tea.Msg {
-		defer cancel()
-		<-ctx.Done()
-		if ctx.Err() == context.DeadlineExceeded {
-			return blinkMsg{id: m.id, tag: m.blinkTag}
-		}
-		return blinkCanceled{}
-	}
-}
-
 // Blink is a command used to initialize cursor blinking.
 func Blink() tea.Msg {
-	return initialBlinkMsg{}
+	return cursor.Blink()
 }
 
 // Paste is a command for pasting from the clipboard into the text input.
@@ -819,3 +681,31 @@ func max(a, b int) int {
 	}
 	return b
 }
+
+// Deprecated.
+
+// Deprecated: use cursor.Mode.
+type CursorMode int
+
+const (
+	// Deprecated: use cursor.CursorBlink.
+	CursorBlink = CursorMode(cursor.CursorBlink)
+	// Deprecated: use cursor.CursorStatic.
+	CursorStatic = CursorMode(cursor.CursorStatic)
+	// Deprecated: use cursor.CursorHide.
+	CursorHide = CursorMode(cursor.CursorHide)
+)
+
+func (c CursorMode) String() string {
+	return cursor.Mode(c).String()
+}
+
+// Deprecated: use cursor.Mode().
+func (m Model) CursorMode() CursorMode {
+	return CursorMode(m.Cursor.Mode())
+}
+
+// Deprecated: use cursor.SetMode().
+func (m *Model) SetCursorMode(mode CursorMode) tea.Cmd {
+	return m.Cursor.SetMode(cursor.Mode(mode))
+}

timer/timer.go

@@ -162,9 +162,7 @@ func (m *Model) Start() tea.Cmd {
 
 // Stop pauses the timer. Has no effect if the timer has timed out.
 func (m *Model) Stop() tea.Cmd {
-	return func() tea.Msg {
+	return m.startStop(false)
-		return m.startStop(false)
-	}
 }
 
 // Toggle stops the timer if it's running and starts it if it's stopped.

viewport/keymap.go

@@ -22,21 +22,27 @@ func DefaultKeyMap() KeyMap {
 	return KeyMap{
 		PageDown: key.NewBinding(
 			key.WithKeys("pgdown", spacebar, "f"),
+			key.WithHelp("f/pgdn", "page down"),
 		),
 		PageUp: key.NewBinding(
 			key.WithKeys("pgup", "b"),
+			key.WithHelp("b/pgup", "page up"),
 		),
 		HalfPageUp: key.NewBinding(
 			key.WithKeys("u", "ctrl+u"),
+			key.WithHelp("u", "½ page up"),
 		),
 		HalfPageDown: key.NewBinding(
 			key.WithKeys("d", "ctrl+d"),
+			key.WithHelp("d", "½ page down"),
 		),
 		Up: key.NewBinding(
 			key.WithKeys("up", "k"),
+			key.WithHelp("↑/k", "up"),
 		),
 		Down: key.NewBinding(
 			key.WithKeys("down", "j"),
+			key.WithHelp("↓/j", "down"),
 		),
 	}
 }

viewport/viewport.go

@@ -10,7 +10,7 @@ import (
 )
 
 // New returns a new model with the given width and height as well as default
-// keymappings.
+// key mappings.
 func New(width, height int) (m Model) {
 	m.Width = width
 	m.Height = height
@@ -207,6 +207,16 @@ func (m *Model) LineUp(n int) (lines []string) {
 	return m.visibleLines()
 }
 
+// TotalLineCount returns the total number of lines (both hidden and visible) within the viewport.
+func (m Model) TotalLineCount() int {
+	return len(m.lines)
+}
+
+// VisibleLineCount returns the number of the visible lines within the viewport.
+func (m Model) VisibleLineCount() int {
+	return len(m.visibleLines())
+}
+
 // GotoTop sets the viewport to the top position.
 func (m *Model) GotoTop() (lines []string) {
 	if m.AtTop() {
@@ -237,12 +247,11 @@ func Sync(m Model) tea.Cmd {
 }
 
 // ViewDown is a high performance command that moves the viewport up by a given
-// numer of lines. Use Model.ViewDown to get the lines that should be rendered.
+// number of lines. Use Model.ViewDown to get the lines that should be rendered.
 // For example:
 //
-//     lines := model.ViewDown(1)
+//	lines := model.ViewDown(1)
-//     cmd := ViewDown(m, lines)
+//	cmd := ViewDown(m, lines)
-//
 func ViewDown(m Model, lines []string) tea.Cmd {
 	if len(lines) == 0 {
 		return nil
@@ -344,24 +353,29 @@ func (m Model) updateAsModel(msg tea.Msg) (Model, tea.Cmd) {
 func (m Model) View() string {
 	if m.HighPerformanceRendering {
 		// Just send newlines since we're going to be rendering the actual
-		// content seprately. We still need to send something that equals the
+		// content separately. We still need to send something that equals the
 		// height of this view so that the Bubble Tea standard renderer can
 		// position anything below this view properly.
-		return strings.Repeat("\n", m.Height-1)
+		return strings.Repeat("\n", max(0, m.Height-1))
 	}
 
-	lines := m.visibleLines()
+	w, h := m.Width, m.Height
-
+	if sw := m.Style.GetWidth(); sw != 0 {
-	// Fill empty space with newlines
+		w = min(w, sw)
-	extraLines := ""
-	if len(lines) < m.Height {
-		extraLines = strings.Repeat("\n", max(0, m.Height-len(lines)))
 	}
-
+	if sh := m.Style.GetHeight(); sh != 0 {
+		h = min(h, sh)
+	}
+	contentWidth := w - m.Style.GetHorizontalFrameSize()
+	contentHeight := h - m.Style.GetVerticalFrameSize()
+	contents := lipgloss.NewStyle().
+		Height(contentHeight).    // pad to height.
+		MaxHeight(contentHeight). // truncate height if taller.
+		MaxWidth(contentWidth).   // truncate width.
+		Render(strings.Join(m.visibleLines(), "\n"))
 	return m.Style.Copy().
-		UnsetWidth().
+		UnsetWidth().UnsetHeight(). // Style size already applied in contents.
-		UnsetHeight().
+		Render(contents)
-		Render(strings.Join(lines, "\n") + extraLines)
 }
 
 func clamp(v, low, high int) int {