1 files changed, 31 insertions, 0 deletions
diff --git a/prev/progressbar_darwin.go b/prev/progressbar_darwin.go
new file mode 100644
index 0000000..51fd41a
--- /dev/null
+++ b/prev/progressbar_darwin.go
@@ -0,0 +1,31 @@
+// 4 november 2014
+
+package ui
+
+import (
+	"fmt"
+)
+
+// #include "objc_darwin.h"
+import "C"
+
+type progressbar struct {
+	*controlSingleObject
+}
+
+func newProgressBar() ProgressBar {
+	return &progressbar{
+		controlSingleObject:		newControlSingleObject(C.newProgressBar()),
+	}
+}
+
+func (p *progressbar) Percent() int {
+	return int(C.progressbarPercent(p.id))
+}
+
+func (p *progressbar) SetPercent(percent int) {
+	if percent < 0 || percent > 100 {
+		panic(fmt.Errorf("given ProgressBar percentage %d out of range", percent))
+	}
+	C.progressbarSetPercent(p.id, C.intmax_t(percent))
+}