58 lines
1.2 KiB
Go
58 lines
1.2 KiB
Go
package widgets
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import (
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"log"
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"sort"
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"github.com/gdamore/tcell"
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"git.sr.ht/~sircmpwn/aerc2/lib/ui"
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"git.sr.ht/~sircmpwn/aerc2/worker/types"
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)
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type DirectoryList struct {
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dirs []string
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logger *log.Logger
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onInvalidate func(d ui.Drawable)
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worker *types.Worker
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}
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func NewDirectoryList(logger *log.Logger, worker *types.Worker) *DirectoryList {
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return &DirectoryList{logger: logger, worker: worker}
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}
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func (dirlist *DirectoryList) UpdateList() {
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var dirs []string
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dirlist.worker.PostAction(
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&types.ListDirectories{}, func(msg types.WorkerMessage) {
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switch msg := msg.(type) {
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case *types.Directory:
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dirs = append(dirs, msg.Name)
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case *types.Done:
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sort.Strings(dirs)
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dirlist.dirs = dirs
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dirlist.Invalidate()
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}
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})
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}
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func (dirlist *DirectoryList) OnInvalidate(onInvalidate func(d ui.Drawable)) {
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dirlist.onInvalidate = onInvalidate
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}
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func (dirlist *DirectoryList) Invalidate() {
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if dirlist.onInvalidate != nil {
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dirlist.onInvalidate(dirlist)
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}
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}
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func (dirlist *DirectoryList) Draw(ctx *ui.Context) {
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ctx.Fill(0, 0, ctx.Width(), ctx.Height(), ' ', tcell.StyleDefault)
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for i, name := range dirlist.dirs {
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if i >= ctx.Height() {
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break
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}
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ctx.Printf(0, i, tcell.StyleDefault, "%s", name)
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}
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}
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