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// 14 february 2014
//package ui
package main
import (
"sync"
)
// A Listbox is a vertical list of items, of which one or (optionally) more items can be selected at any given time.
type Listbox struct {
// TODO Select event
lock sync.Mutex
created bool
sysData *sysData
initItems []string
}
// NewCombobox makes a new combobox with the given items. If multiple is true, the listbox allows multiple selection.
func NewListbox(multiple bool, items ...string) (l *Listbox) {
l = &Listbox{
sysData: mksysdata(c_listbox),
initItems: items,
}
l.sysData.alternate = multiple
return l
}
// TODO Append, InsertBefore, Delete
// TODO Selection
// TODO SelectedIndices
func (l *Listbox) make(window *sysData) (err error) {
l.lock.Lock()
defer l.lock.Unlock()
err = l.sysData.make("", 300, 300, window)
if err != nil {
return err
}
for _, s := range l.initItems {
err = l.sysData.append(s)
if err != nil {
return err
}
}
return nil
}
func (l *Listbox) setRect(x int, y int, width int, height int) error {
l.lock.Lock()
defer l.lock.Unlock()
return l.sysData.setRect(x, y, width, height)
}
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