andlabs-ui/lineedit.go

92 lines
1.7 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 {
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(window)
if err != nil {
return err
}
l.sysData.setText(l.initText)
l.created = true
return nil
}
func (l *LineEdit) allocate(x int, y int, width int, height int, d *sysSizeData) []*allocation {
return []*allocation{&allocation{
x: x,
y: y,
width: width,
height: height,
this: l,
}}
}
func (l *LineEdit) preferredSize(d *sysSizeData) (width int, height int) {
return l.sysData.preferredSize(d)
}
func (l *LineEdit) commitResize(a *allocation, d *sysSizeData) {
l.sysData.preferredSize(a, d)
}
func (l *LineEdit) getAuxResizeInfo(d *sysSizeData) {
l.sysData.getAuxResizeInfo(d)
}