andlabs-ui/lineedit.go

84 lines
1.5 KiB
Go

// 14 february 2014
package ui
import (
"sync"
)
// A LineEdit is a control which allows you to enter a single line of text.
type LineEdit struct {
// TODO Typing event
lock sync.Mutex
created bool
sysData *sysData
initText string
password bool
}
// NewLineEdit makes a new LineEdit with the specified text.
func NewLineEdit(text string) *LineEdit {
return &LineEdit{
sysData: mksysdata(c_lineedit),
initText: text,
}
}
// NewPasswordEdit makes a new LineEdit which allows the user to enter a password.
func NewPasswordEdit() *LineEdit {
return &LineEdit{
sysData: mksysdata(c_lineedit),
password: true,
}
}
// SetText sets the LineEdit's text.
func (l *LineEdit) SetText(text string) {
l.lock.Lock()
defer l.lock.Unlock()
if l.created {
l.sysData.setText(text)
return
}
l.initText = text
}
// Text returns the LineEdit's text.
func (l *LineEdit) Text() string {
l.lock.Lock()
defer l.lock.Unlock()
if l.created {
return l.sysData.text()
}
return l.initText
}
func (l *LineEdit) make(window *sysData) error {
l.lock.Lock()
defer l.lock.Unlock()
l.sysData.alternate = l.password
err := l.sysData.make(l.initText, window)
if err != nil {
return err
}
l.created = true
return nil
}
func (l *LineEdit) setRect(x int, y int, width int, height int, winheight int) error {
l.lock.Lock()
defer l.lock.Unlock()
return l.sysData.setRect(x, y, width, height, winheight)
}
func (l *LineEdit) preferredSize() (width int, height int) {
l.lock.Lock()
defer l.lock.Unlock()
return l.sysData.preferredSize()
}