1 files changed, 86 insertions, 0 deletions
diff --git a/checkbox.go b/checkbox.go
new file mode 100644
index 0000000..1293dfc
--- /dev/null
+++ b/checkbox.go
@@ -0,0 +1,86 @@
+// 13 february 2014
+
+package ui
+
+// A Checkbox is a clickable square with a label. The square can be either checked or unchecked. Checkboxes start out unchecked.
+type Checkbox struct {
+	created   bool
+	sysData   *sysData
+	initText  string
+	initCheck		bool
+}
+
+// NewCheckbox creates a new checkbox with the specified text.
+func NewCheckbox(text string) (c *Checkbox) {
+	return &Checkbox{
+		sysData:  mksysdata(c_checkbox),
+		initText: text,
+	}
+}
+
+// SetText sets the checkbox's text.
+func (c *Checkbox) SetText(text string) {
+	if c.created {
+		c.sysData.setText(text)
+		return
+	}
+	c.initText = text
+}
+
+// Text returns the checkbox's text.
+func (c *Checkbox) Text() string {
+	if c.created {
+		return c.sysData.text()
+	}
+	return c.initText
+}
+
+// SetChecked() changes the checked state of the Checkbox.
+func (c *Checkbox) SetChecked(checked bool) {
+	if c.created {
+		c.sysData.setChecked(checked)
+		return
+	}
+	c.initCheck = checked
+}
+
+// Checked() returns whether or not the Checkbox has been checked.
+func (c *Checkbox) Checked() bool {
+	if c.created {
+		return c.sysData.isChecked()
+	}
+	return c.initCheck
+}
+
+func (c *Checkbox) make(window *sysData) error {
+	err := c.sysData.make(window)
+	if err != nil {
+		return err
+	}
+	c.sysData.setText(c.initText)
+	c.sysData.setChecked(c.initCheck)
+	c.created = true
+	return nil
+}
+
+func (c *Checkbox) allocate(x int, y int, width int, height int, d *sysSizeData) []*allocation {
+	return []*allocation{&allocation{
+		x:       x,
+		y:       y,
+		width:   width,
+		height:  height,
+		this:		c,
+	}}
+}
+
+func (c *Checkbox) preferredSize(d *sysSizeData) (width int, height int) {
+	return c.sysData.preferredSize(d)
+}
+
+func (c *Checkbox) commitResize(a *allocation, d *sysSizeData) {
+	c.sysData.commitResize(a, d)
+}
+
+func (c *Checkbox) getAuxResizeInfo(d *sysSizeData) {
+	c.sysData.getAuxResizeInfo(d)
+}