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// 14 february 2014
package ui
import (
"sync"
)
// A Label is a static line of text used to mark other controls.
type Label struct {
lock sync.Mutex
created bool
sysData *sysData
initText string
}
// NewLabel creates a new Label with the specified text.
func NewLabel(text string) *Label {
return &Label{
sysData: mksysdata(c_label),
initText: text,
}
}
// SetText sets the Label's text.
func (l *Label) SetText(text string) {
l.lock.Lock()
defer l.lock.Unlock()
if l.created {
l.sysData.setText(text)
return
}
l.initText = text
}
// Text returns the Label's text.
func (l *Label) Text() string {
l.lock.Lock()
defer l.lock.Unlock()
if l.created {
return l.sysData.text()
}
return l.initText
}
func (l *Label) make(window *sysData) error {
l.lock.Lock()
defer l.lock.Unlock()
err := l.sysData.make(window)
if err != nil {
return err
}
l.sysData.setText(l.initText)
l.created = true
return nil
}
func (l *Label) setRect(x int, y int, width int, height int, rr *[]resizerequest) {
*rr = append(*rr, resizerequest{
sysData: l.sysData,
x: x,
y: y,
width: width,
height: height,
})
}
func (l *Label) preferredSize() (width int, height int) {
return l.sysData.preferredSize()
}
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