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-rw-r--r--widgets/selecter.go103
1 files changed, 103 insertions, 0 deletions
diff --git a/widgets/selecter.go b/widgets/selecter.go
new file mode 100644
index 00000000..7fae9cda
--- /dev/null
+++ b/widgets/selecter.go
@@ -0,0 +1,103 @@
+package widgets
+
+import (
+ "github.com/gdamore/tcell"
+
+ "git.sr.ht/~sircmpwn/aerc/lib/ui"
+)
+
+type Selecter struct {
+ ui.Invalidatable
+ chooser bool
+ focused bool
+ focus int
+ options []string
+
+ onChoose func(option string)
+ onSelect func(option string)
+}
+
+func NewSelecter(options []string, focus int) *Selecter {
+ return &Selecter{
+ focus: focus,
+ options: options,
+ }
+}
+
+func (sel *Selecter) Chooser(chooser bool) *Selecter {
+ sel.chooser = chooser
+ return sel
+}
+
+func (sel *Selecter) Invalidate() {
+ sel.DoInvalidate(sel)
+}
+
+func (sel *Selecter) Draw(ctx *ui.Context) {
+ ctx.Fill(0, 0, ctx.Width(), ctx.Height(), ' ', tcell.StyleDefault)
+ x := 2
+ for i, option := range sel.options {
+ style := tcell.StyleDefault
+ if sel.focus == i {
+ if sel.focused {
+ style = style.Reverse(true)
+ } else if sel.chooser {
+ style = style.Bold(true)
+ }
+ }
+ x += ctx.Printf(x, 1, style, "[%s]", option)
+ x += 5
+ }
+}
+
+func (sel *Selecter) OnChoose(fn func(option string)) *Selecter {
+ sel.onChoose = fn
+ return sel
+}
+
+func (sel *Selecter) OnSelect(fn func(option string)) *Selecter {
+ sel.onSelect = fn
+ return sel
+}
+
+func (sel *Selecter) Selected() string {
+ return sel.options[sel.focus]
+}
+
+func (sel *Selecter) Focus(focus bool) {
+ sel.focused = focus
+ sel.Invalidate()
+}
+
+func (sel *Selecter) Event(event tcell.Event) bool {
+ switch event := event.(type) {
+ case *tcell.EventKey:
+ switch event.Key() {
+ case tcell.KeyCtrlH:
+ fallthrough
+ case tcell.KeyLeft:
+ if sel.focus > 0 {
+ sel.focus--
+ sel.Invalidate()
+ }
+ if sel.onSelect != nil {
+ sel.onSelect(sel.Selected())
+ }
+ case tcell.KeyCtrlL:
+ fallthrough
+ case tcell.KeyRight:
+ if sel.focus < len(sel.options)-1 {
+ sel.focus++
+ sel.Invalidate()
+ }
+ if sel.onSelect != nil {
+ sel.onSelect(sel.Selected())
+ }
+ case tcell.KeyEnter:
+ if sel.onChoose != nil {
+ sel.onChoose(sel.Selected())
+ }
+ }
+ }
+ return false
+}