58 lines
1.1 KiB
Go
58 lines
1.1 KiB
Go
|
// 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)
|
||
|
|
}
|