1 files changed, 57 insertions, 0 deletions
diff --git a/listbox.go b/listbox.go
new file mode 100644
index 0000000..6de4cb2
--- /dev/null
+++ b/listbox.go
@@ -0,0 +1,57 @@
+// 14 february 2014
+//package ui
+package main
+
+import (
+	"sync"
+)
+
+// A Listbox is a vertical list of items, of which one or (optionally) more items can be selected at any given time.
+type Listbox struct {
+	// TODO Select event
+
+	lock		sync.Mutex
+	created	bool
+	sysData	*sysData
+	initItems	[]string
+}
+
+// NewCombobox makes a new combobox with the given items. If multiple is true, the listbox allows multiple selection.
+func NewListbox(multiple bool, items ...string) (l *Listbox) {
+	l = &Listbox{
+		sysData:		mksysdata(c_listbox),
+		initItems:		items,
+	}
+	l.sysData.alternate = multiple
+	return l
+}
+
+// TODO Append, InsertBefore, Delete
+
+// TODO Selection
+
+// TODO SelectedIndices
+
+func (l *Listbox) make(window *sysData) (err error) {
+	l.lock.Lock()
+	defer l.lock.Unlock()
+
+	err = l.sysData.make("", 300, 300, window)
+	if err != nil {
+		return err
+	}
+	for _, s := range l.initItems {
+		err = l.sysData.append(s)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func (l *Listbox) setRect(x int, y int, width int, height int) error {
+	l.lock.Lock()
+	defer l.lock.Unlock()
+
+	return l.sysData.setRect(x, y, width, height)
+}