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Merge pull request #111 from enciris/master

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Add OnChange() callback function on radio buttons
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Vladimir Markelov 2018-10-26 20:10:41 -07:00 committed by GitHub
commit 80da317c70
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1 changed files with 18 additions and 1 deletions
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19
radio.go
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@ -13,6 +13,8 @@ type Radio struct {
BaseControl
group *RadioGroup
selected bool
onChange func(bool)
}
/*
@ -40,6 +42,8 @@ func CreateRadio(parent Control, width int, title string, scale int) *Radio {
c.SetTabStop(true)
c.SetScale(scale)
c.onChange = nil
if parent != nil {
parent.AddChild(c)
}
@ -104,7 +108,7 @@ func (c *Radio) ProcessEvent(event Event) bool {
return false
}
if (event.Type == EventKey && event.Key == term.KeySpace) || event.Type == EventMouse {
if (event.Type == EventKey && event.Key == term.KeySpace) || event.Type == EventClick {
if c.group == nil {
c.SetSelected(true)
} else {
@ -120,6 +124,10 @@ func (c *Radio) ProcessEvent(event Event) bool {
// the method directly, it is for RadioGroup control
func (c *Radio) SetSelected(val bool) {
c.selected = val
if c.onChange != nil {
go c.onChange(val)
}
}
// Selected returns if the radio is selected
@ -131,3 +139,12 @@ func (c *Radio) Selected() bool {
func (c *Radio) SetGroup(group *RadioGroup) {
c.group = group
}
// OnChange sets the callback that is called whenever the state
// of the Radio is changed. Argument of callback is the current
func (c *Radio) OnChange(fn func(bool)) {
c.mtx.Lock()
defer c.mtx.Unlock()
c.onChange = fn
}