2 files changed, 84 insertions, 0 deletions
diff --git a/utils/ncfmt/effects.go b/utils/ncfmt/effects.go
new file mode 100644
index 0000000..170ed11
--- /dev/null
+++ b/utils/ncfmt/effects.go
@@ -0,0 +1,54 @@
+package ncfmt
+
+import (
+	"fmt"
+	"time"
+
+	. "github.com/gbin/goncurses"
+)
+
+func BlinkCursorUntilInput(scr *Window, pos_y int, pos_x int, interval time.Duration) Key {
+	scr.Move(pos_y, pos_x)
+	var activation_key Key
+	for {
+		Cursor(2)
+		scr.Timeout(int((interval / 3).Milliseconds()))
+		activation_key = scr.GetChar()
+		if activation_key != 0 {
+			break
+		}
+		time.Sleep(interval / 3)
+		Cursor(0)
+		time.Sleep(interval / 3)
+	}
+	return activation_key
+}
+func BlinkCursorUntilDone(scr *Window, pos_y int, pos_x int, interval time.Duration, done <-chan bool) {
+	scr.Move(pos_y, pos_x)
+	for {
+		Cursor(2)
+		select {
+		case is_done, ok := <-done:
+			if ok && is_done {
+				return
+			} else {
+				fmt.Println("Channel closed?")
+			}
+		default:
+			time.Sleep(interval / 2)
+			Cursor(0)
+			time.Sleep(interval / 2)
+
+		}
+	}
+}
+func BlinkCursorWithTime(scr *Window, pos_y int, pos_x int, duration time.Duration, interval time.Duration) {
+	scr.Move(pos_y, pos_x)
+	n := duration / interval
+	for i := 0; i < int(n); i++ {
+		Cursor(2)
+		time.Sleep(interval / 2)
+		Cursor(0)
+		time.Sleep(interval / 2)
+	}
+}
diff --git a/utils/ncfmt/incremental_print.go b/utils/ncfmt/incremental_print.go
new file mode 100644
index 0000000..8ab0f05
--- /dev/null
+++ b/utils/ncfmt/incremental_print.go
@@ -0,0 +1,30 @@
+package ncfmt
+
+import (
+	"time"
+
+	. "github.com/gbin/goncurses"
+)
+
+func IncrementalPrintMany(
+	w *Window,
+	y int,
+	x int,
+	texts []string,
+	duration time.Duration,
+) {
+	for i := 0; i < len(texts); i++ {
+		IncrementalPrint(w, texts[i], y+i, x, int(1*time.Second))
+	}
+}
+func IncrementalPrint(scr *Window, text string, from_y int, from_x int, interval_millis int) {
+	for i := 0; i < len(text); i++ {
+		ch := string([]rune(text)[i])
+		_, mx := scr.MaxYX()
+		cy := i/mx + from_y
+		cx := i%mx + 1
+		scr.MovePrint(cy, cx, ch)
+		time.Sleep(time.Duration(1000/len(text)) * time.Millisecond)
+		scr.Refresh()
+	}
+}