Plan search bar implementation

internal/page/proclamationOptions.go

@@ -54,6 +54,8 @@ type ProclamationOptions struct {
 
 	indentSize     float32
 	verticalMargin int32
+
+	isSearchActive bool
 }
 
 func (p *ProclamationOptions) Init(ctx *PageCtx) error {
@@ -62,6 +64,7 @@ func (p *ProclamationOptions) Init(ctx *PageCtx) error {
 	p.activeMap = make(map[string]bool)
 	p.allItems = []*FlatItem{}
 	p.scrollOffset = 0
+	p.isSearchActive = false
 
 	p.scrollTrackWidth = 30
 	p.scrollTrackX = p.ScreenWidth - p.scrollTrackWidth
@@ -237,12 +240,21 @@ func (p *ProclamationOptions) HandleEvent(event *sdl.Event) error {
 			}
 		case sdl.K_BACKSPACE, sdl.K_ESCAPE:
 			p.Context.NavigateTo(SETTINGS)
+		default:
+			// Treat input as search intent, initiate search & filter
+			p.toggleTextInput()
+			p.isSearchActive = true
 		}
 		p.layout()
 	}
 	return nil
 }
 
+// Turn on and off the text input capture.
+// Don't forget to capture the current event, so that you can
+// determine which character to start the search with.
+func (p *ProclamationOptions) toggleTextInput() {}
+
 func (p *ProclamationOptions) acceptChanges() {
 	p.Context.DbPtr.Transaction(func(tx *gorm.DB) error {
 		tx.Model(&db.Proclamation{}).Where("1 = 1").Update("selected", false)