74 lines
1.2 KiB
Go
74 lines
1.2 KiB
Go
// 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()
|
|
}
|