78 lines
1.4 KiB
Go
78 lines
1.4 KiB
Go
// 13 february 2014
|
|
//package ui
|
|
package main
|
|
|
|
import (
|
|
"sync"
|
|
)
|
|
|
|
// A Checkbox is a clickable square with a label. The square can be either checked or unchecked.
|
|
type Checkbox struct {
|
|
// TODO provide a channel for broadcasting check changes
|
|
|
|
lock sync.Mutex
|
|
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) (err error) {
|
|
c.lock.Lock()
|
|
defer c.lock.Unlock()
|
|
|
|
if c.created {
|
|
return c.sysData.setText(text)
|
|
}
|
|
c.initText = text
|
|
return nil
|
|
}
|
|
|
|
// Text returns the checkbox's text.
|
|
func (c *Checkbox) Text() string {
|
|
c.lock.Lock()
|
|
defer c.lock.Unlock()
|
|
|
|
if c.created {
|
|
return c.sysData.text()
|
|
}
|
|
return c.initText
|
|
}
|
|
|
|
// Checked() returns whether or not the checkbox has been checked.
|
|
func (c *Checkbox) Checked() bool {
|
|
c.lock.Lock()
|
|
defer c.lock.Unlock()
|
|
|
|
// TODO if not created
|
|
return c.sysData.isChecked()
|
|
}
|
|
|
|
func (c *Checkbox) make(window *sysData) error {
|
|
c.lock.Lock()
|
|
defer c.lock.Unlock()
|
|
|
|
err := c.sysData.make(c.initText, window)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
c.created = true
|
|
return nil
|
|
}
|
|
|
|
func (c *Checkbox) setRect(x int, y int, width int, height int) error {
|
|
c.lock.Lock()
|
|
defer c.lock.Unlock()
|
|
|
|
return c.sysData.setRect(x, y, width, height)
|
|
}
|