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