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package dialog
import (
tea "github.com/charmbracelet/bubbletea/v2"
list "github.com/sst/opencode/internal/components/list"
"github.com/sst/opencode/internal/components/modal"
"github.com/sst/opencode/internal/layout"
"github.com/sst/opencode/internal/theme"
"github.com/sst/opencode/internal/util"
)
// ThemeSelectedMsg is sent when the theme is changed
type ThemeSelectedMsg struct {
ThemeName string
}
// ThemeDialog interface for the theme switching dialog
type ThemeDialog interface {
layout.Modal
}
type themeDialog struct {
width int
height int
modal *modal.Modal
list list.List[list.StringItem]
originalTheme string
themeApplied bool
}
func (t *themeDialog) Init() tea.Cmd {
return nil
}
func (t *themeDialog) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
switch msg := msg.(type) {
case tea.WindowSizeMsg:
t.width = msg.Width
t.height = msg.Height
case tea.KeyMsg:
switch msg.String() {
case "enter":
if item, idx := t.list.GetSelectedItem(); idx >= 0 {
selectedTheme := string(item)
if err := theme.SetTheme(selectedTheme); err != nil {
// status.Error(err.Error())
return t, nil
}
t.themeApplied = true
return t, tea.Sequence(
util.CmdHandler(modal.CloseModalMsg{}),
util.CmdHandler(ThemeSelectedMsg{ThemeName: selectedTheme}),
)
}
}
}
_, prevIdx := t.list.GetSelectedItem()
var cmd tea.Cmd
listModel, cmd := t.list.Update(msg)
t.list = listModel.(list.List[list.StringItem])
if item, newIdx := t.list.GetSelectedItem(); newIdx >= 0 && newIdx != prevIdx {
theme.SetTheme(string(item))
return t, util.CmdHandler(ThemeSelectedMsg{ThemeName: string(item)})
}
return t, cmd
}
func (t *themeDialog) Render(background string) string {
return t.modal.Render(t.list.View(), background)
}
func (t *themeDialog) Close() tea.Cmd {
if !t.themeApplied {
theme.SetTheme(t.originalTheme)
return util.CmdHandler(ThemeSelectedMsg{ThemeName: t.originalTheme})
}
return nil
}
// NewThemeDialog creates a new theme switching dialog
func NewThemeDialog() ThemeDialog {
themes := theme.AvailableThemes()
currentTheme := theme.CurrentThemeName()
var selectedIdx int
for i, name := range themes {
if name == currentTheme {
selectedIdx = i
}
}
list := list.NewStringList(
themes,
10, // maxVisibleThemes
"No themes available",
true,
)
// Set the initial selection to the current theme
list.SetSelectedIndex(selectedIdx)
// Set the max width for the list to match the modal width
list.SetMaxWidth(36) // 40 (modal max width) - 4 (modal padding)
return &themeDialog{
list: list,
modal: modal.New(modal.WithTitle("Select Theme"), modal.WithMaxWidth(40)),
originalTheme: currentTheme,
themeApplied: false,
}
}
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