feat: huh file picker (#523)

Use `huh` for `gum file`.

5 files changed, 33 insertions, 116 deletions

diff --git a/file/command.go b/file/command.go
index 0d34cab..20b9924 100644
--- a/file/command.go
+++ b/file/command.go
@@ -3,13 +3,10 @@ package file
 import (
 	"errors"
 	"fmt"
-	"os"
 	"path/filepath"
 
-	"github.com/charmbracelet/gum/internal/exit"
-
-	"github.com/charmbracelet/bubbles/filepicker"
-	tea "github.com/charmbracelet/bubbletea"
+	"github.com/charmbracelet/huh"
+	"github.com/charmbracelet/lipgloss"
 )
 
 // Run is the interface to picking a file.
@@ -27,46 +24,36 @@ func (o Options) Run() error {
 		return fmt.Errorf("file not found: %w", err)
 	}
 
-	fp := filepicker.New()
-	fp.CurrentDirectory = path
-	fp.Path = path
-	fp.Height = o.Height
-	fp.AutoHeight = o.Height == 0
-	fp.Cursor = o.Cursor
-	fp.DirAllowed = o.Directory
-	fp.FileAllowed = o.File
-	fp.ShowHidden = o.All
-	fp.Styles = filepicker.DefaultStyles()
-	fp.Styles.Cursor = o.CursorStyle.ToLipgloss()
-	fp.Styles.Symlink = o.SymlinkStyle.ToLipgloss()
-	fp.Styles.Directory = o.DirectoryStyle.ToLipgloss()
-	fp.Styles.File = o.FileStyle.ToLipgloss()
-	fp.Styles.Permission = o.PermissionsStyle.ToLipgloss()
-	fp.Styles.Selected = o.SelectedStyle.ToLipgloss()
-	fp.Styles.FileSize = o.FileSizeStyle.ToLipgloss()
-
-	m := model{
-		filepicker: fp,
-		timeout:    o.Timeout,
-		hasTimeout: o.Timeout > 0,
-		aborted:    false,
-	}
+	theme := huh.ThemeCharm()
+	theme.Focused.Base = lipgloss.NewStyle()
+	theme.Focused.File = o.FileStyle.ToLipgloss()
+	theme.Focused.Directory = o.DirectoryStyle.ToLipgloss()
+	theme.Focused.SelectedOption = o.SelectedStyle.ToLipgloss()
+
+	// XXX: These should be file selected specific.
+	theme.Focused.TextInput.Placeholder = o.PermissionsStyle.ToLipgloss()
+	theme.Focused.TextInput.Prompt = o.CursorStyle.ToLipgloss()
+
+	err = huh.NewForm(
+		huh.NewGroup(
+			huh.NewFilePicker().
+				Picking(true).
+				CurrentDirectory(path).
+				DirAllowed(o.Directory).
+				FileAllowed(o.File).
+				Height(o.Height).
+				ShowHidden(o.All).
+				Value(&path),
+		),
+	).
+		WithShowHelp(false).
+		WithTheme(theme).
+		Run()
 
-	tm, err := tea.NewProgram(&m, tea.WithOutput(os.Stderr)).Run()
 	if err != nil {
-		return fmt.Errorf("unable to pick selection: %w", err)
-	}
-
-	m = tm.(model)
-	if m.aborted {
-		return exit.ErrAborted
-	}
-
-	if m.selectedPath == "" {
-		os.Exit(1)
+		return err
 	}
 
-	fmt.Println(m.selectedPath)
-
+	fmt.Println(path)
 	return nil
 }
diff --git a/file/file.go b/file/file.go
deleted file mode 100644
index 3328d79..0000000
--- a/file/file.go
+++ /dev/null
@@ -1,72 +0,0 @@
-// Package file provides an interface to pick a file from a folder (tree).
-// The user is provided a file manager-like interface to navigate, to
-// select a file.
-//
-// Let's pick a file from the current directory:
-//
-// $ gum file
-// $ gum file .
-//
-// Let's pick a file from the home directory:
-//
-// $ gum file $HOME
-package file
-
-import (
-	"time"
-
-	"github.com/charmbracelet/bubbles/filepicker"
-	tea "github.com/charmbracelet/bubbletea"
-	"github.com/charmbracelet/gum/timeout"
-)
-
-type model struct {
-	filepicker   filepicker.Model
-	selectedPath string
-	aborted      bool
-	quitting     bool
-	timeout      time.Duration
-	hasTimeout   bool
-}
-
-func (m model) Init() tea.Cmd {
-	return tea.Batch(
-		timeout.Init(m.timeout, nil),
-		m.filepicker.Init(),
-	)
-}
-
-func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
-	switch msg := msg.(type) {
-	case tea.KeyMsg:
-		switch msg.String() {
-		case "ctrl+c", "q", "esc":
-			m.aborted = true
-			m.quitting = true
-			return m, tea.Quit
-		}
-	case timeout.TickTimeoutMsg:
-		if msg.TimeoutValue <= 0 {
-			m.quitting = true
-			m.aborted = true
-			return m, tea.Quit
-		}
-		m.timeout = msg.TimeoutValue
-		return m, timeout.Tick(msg.TimeoutValue, msg.Data)
-	}
-	var cmd tea.Cmd
-	m.filepicker, cmd = m.filepicker.Update(msg)
-	if didSelect, path := m.filepicker.DidSelectFile(msg); didSelect {
-		m.selectedPath = path
-		m.quitting = true
-		return m, tea.Quit
-	}
-	return m, cmd
-}
-
-func (m model) View() string {
-	if m.quitting {
-		return ""
-	}
-	return m.filepicker.View()
-}
diff --git a/file/options.go b/file/options.go
index 85ca87f..31146f3 100644
--- a/file/options.go
+++ b/file/options.go
@@ -16,7 +16,7 @@ type Options struct {
 	File      bool   `help:"Allow files selection" default:"true" env:"GUM_FILE_FILE"`
 	Directory bool   `help:"Allow directories selection" default:"false" env:"GUM_FILE_DIRECTORY"`
 
-	Height           int          `help:"Maximum number of files to display" default:"0" env:"GUM_FILE_HEIGHT"`
+	Height           int          `help:"Maximum number of files to display" default:"10" env:"GUM_FILE_HEIGHT"`
 	CursorStyle      style.Styles `embed:"" prefix:"cursor." help:"The cursor style" set:"defaultForeground=212" envprefix:"GUM_FILE_CURSOR_"`
 	SymlinkStyle     style.Styles `embed:"" prefix:"symlink." help:"The style to use for symlinks" set:"defaultForeground=36" envprefix:"GUM_FILE_SYMLINK_"`
 	DirectoryStyle   style.Styles `embed:"" prefix:"directory." help:"The style to use for directories" set:"defaultForeground=99" envprefix:"GUM_FILE_DIRECTORY_"`
diff --git a/go.mod b/go.mod
index 5d70db2..5a213f0 100644
--- a/go.mod
+++ b/go.mod
@@ -8,7 +8,7 @@ require (
 	github.com/charmbracelet/bubbles v0.18.0
 	github.com/charmbracelet/bubbletea v0.25.0
 	github.com/charmbracelet/glamour v0.7.0
-	github.com/charmbracelet/huh v0.3.1-0.20240327025511-ec643317aa10
+	github.com/charmbracelet/huh v0.3.1-0.20240328185852-590ecabc34b9
 	github.com/charmbracelet/lipgloss v0.10.0
 	github.com/charmbracelet/log v0.4.0
 	github.com/mattn/go-isatty v0.0.20
diff --git a/go.sum b/go.sum
index 1d6cb9d..8b19bed 100644
--- a/go.sum
+++ b/go.sum
@@ -29,6 +29,8 @@ github.com/charmbracelet/huh v0.3.0 h1:CxPplWkgW2yUTDDG0Z4S5HH8SJOosWHd4LxCvi0Xs
 github.com/charmbracelet/huh v0.3.0/go.mod h1:fujUdKX8tC45CCSaRQdw789O6uaCRwx8l2NDyKfC4jA=
 github.com/charmbracelet/huh v0.3.1-0.20240327025511-ec643317aa10 h1:779PmXc9Zt/Hxa0yg4I8sQk/1Nfa5TQisXaHZEW60Yk=
 github.com/charmbracelet/huh v0.3.1-0.20240327025511-ec643317aa10/go.mod h1:x0rYoA1kpsaefXhRJZuxLM+qP4CYyEFE67T3ZGl7zPU=
+github.com/charmbracelet/huh v0.3.1-0.20240328185852-590ecabc34b9 h1:Izr4MC+shs9PpR4MWz/OFA4+ywbKutvPv0eSHJwfn60=
+github.com/charmbracelet/huh v0.3.1-0.20240328185852-590ecabc34b9/go.mod h1:x0rYoA1kpsaefXhRJZuxLM+qP4CYyEFE67T3ZGl7zPU=
 github.com/charmbracelet/lipgloss v0.10.0 h1:KWeXFSexGcfahHX+54URiZGkBFazf70JNMtwg/AFW3s=
 github.com/charmbracelet/lipgloss v0.10.0/go.mod h1:Wig9DSfvANsxqkRsqj6x87irdy123SR4dOXlKa91ciE=
 github.com/charmbracelet/log v0.3.1 h1:TjuY4OBNbxmHWSwO3tosgqs5I3biyY8sQPny/eCMTYw=