add "inputs" page

Signed-off-by: Hadi <[email protected]>

internal/input/mouse.go

@@ -0,0 +1,34 @@
+package input
+
+import (
+	"encoding/json"
+	"fmt"
+)
+
+const (
+	MinSensitivity = -1.0
+	MaxSensitivity = 1.0
+)
+
+func CurrentSensitivity() (float64, error) {
+	out, err := run("getoption", "input:sensitivity", "-j")
+	if err != nil {
+		return 0, err
+	}
+	var resp getOptionResp
+	if err := json.Unmarshal([]byte(out), &resp); err != nil {
+		return 0, fmt.Errorf("parse getoption input:sensitivity: %w", err)
+	}
+	return resp.Float, nil
+}
+
+func SetSensitivity(v float64) error {
+	switch {
+	case v < MinSensitivity:
+		v = MinSensitivity
+	case v > MaxSensitivity:
+		v = MaxSensitivity
+	}
+	_, err := run("keyword", "input:sensitivity", fmt.Sprintf("%.2f", v))
+	return err
+}