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