From 2bc76219286dfe39949772ceee4dbd9560ec2c1f Mon Sep 17 00:00:00 2001
From: Pietro Gagliardi <pietro10@mac.com>
Date: Sun, 26 Aug 2018 13:24:47 -0400
Subject: Migrated window.go, box.go, button.go, and checkbox.go back.

---
 checkbox.go | 73 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 checkbox.go

(limited to 'checkbox.go')

diff --git a/checkbox.go b/checkbox.go
new file mode 100644
index 0000000..22c4c5f
--- /dev/null
+++ b/checkbox.go
@@ -0,0 +1,73 @@
+// 12 december 2015
+
+package ui
+
+import (
+	"unsafe"
+)
+
+// #include "pkgui.h"
+import "C"
+
+// Checkbox is a Control that represents a box with a text label at its
+// side. When the user clicks the checkbox, a check mark will appear
+// in the box; clicking it again removes the check.
+type Checkbox struct {
+	ControlBase
+	c	*C.uiCheckbox
+	onToggled		func(*Checkbox)
+}
+
+// NewCheckbox creates a new Checkbox with the given text as its
+// label.
+func NewCheckbox(text string) *Checkbox {
+	c := new(Checkbox)
+
+	ctext := C.CString(text)
+	c.c = C.uiNewCheckbox(ctext)
+	freestr(ctext)
+
+	C.pkguiCheckboxOnToggled(c.c)
+
+	c.ControlBase = NewControlBase(c, uintptr(unsafe.Pointer(c.c)))
+	return c
+}
+
+// Text returns the Checkbox's text.
+func (c *Checkbox) Text() string {
+	ctext := C.uiCheckboxText(c.c)
+	text := C.GoString(ctext)
+	C.uiFreeText(ctext)
+	return text
+}
+
+// SetText sets the Checkbox's text to text.
+func (c *Checkbox) SetText(text string) {
+	ctext := C.CString(text)
+	C.uiCheckboxSetText(c.c, ctext)
+	freestr(ctext)
+}
+
+// OnToggled registers f to be run when the user clicks the Checkbox.
+// Only one function can be registered at a time.
+func (c *Checkbox) OnToggled(f func(*Checkbox)) {
+	c.onToggled = f
+}
+
+//export pkguiDoCheckboxOnToggled
+func pkguiDoCheckboxOnToggled(cc *C.uiCheckbox, data unsafe.Pointer) {
+	c := ControlFromLibui(uintptr(unsafe.Pointer(cc))).(*Checkbox)
+	if c.onToggled != nil {
+		c.onToggled(c)
+	}
+}
+
+// Checked returns whether the Checkbox is checked.
+func (c *Checkbox) Checked() bool {
+	return tobool(C.uiCheckboxChecked(c.c))
+}
+
+// SetChecked sets whether the Checkbox is checked.
+func (c *Checkbox) SetChecked(checked bool) {
+	C.uiCheckboxSetChecked(c.c, frombool(checked))
+}
-- 
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