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