1 files changed, 0 insertions, 150 deletions
diff --git a/prevlib/listbox.go b/prevlib/listbox.go
deleted file mode 100644
index 774f553..0000000
--- a/prevlib/listbox.go
+++ /dev/null
@@ -1,150 +0,0 @@
-// 14 february 2014
-
-package ui
-
-import (
-	"fmt"
-)
-
-// A Listbox is a vertical list of items, of which either at most one or any number of items can be selected at any given time.
-// On creation, no item is selected.
-// For information on scrollbars, see "Scrollbars" in the Overview.
-// Due to implementation issues, the presence of horizontal scrollbars is currently implementation-defined.
-type Listbox struct {
-	created   bool
-	sysData   *sysData
-	initItems []string
-}
-
-func newListbox(multiple bool, items ...string) (l *Listbox) {
-	l = &Listbox{
-		sysData:   mksysdata(c_listbox),
-		initItems: items,
-	}
-	l.sysData.alternate = multiple
-	return l
-}
-
-// NewListbox creates a new single-selection Listbox with the given items loaded initially.
-func NewListbox(items ...string) *Listbox {
-	return newListbox(false, items...)
-}
-
-// NewMultiSelListbox creates a new multiple-selection Listbox with the given items loaded initially.
-func NewMultiSelListbox(items ...string) *Listbox {
-	return newListbox(true, items...)
-}
-
-// Append adds items to the end of the Listbox's list.
-// Append will panic if something goes wrong on platforms that do not abort themselves.
-func (l *Listbox) Append(what ...string) {
-	if l.created {
-		for _, s := range what {
-			l.sysData.append(s)
-		}
-		return
-	}
-	l.initItems = append(l.initItems, what...)
-}
-
-// InsertBefore inserts a new item in the Listbox before the item at the given position. It panics if the given index is out of bounds.
-// InsertBefore will also panic if something goes wrong on platforms that do not abort themselves.
-func (l *Listbox) InsertBefore(what string, before int) {
-	var m []string
-
-	if l.created {
-		if before < 0 || before >= l.sysData.len() {
-			goto badrange
-		}
-		l.sysData.insertBefore(what, before)
-		return
-	}
-	if before < 0 || before >= len(l.initItems) {
-		goto badrange
-	}
-	m = make([]string, 0, len(l.initItems)+1)
-	m = append(m, l.initItems[:before]...)
-	m = append(m, what)
-	l.initItems = append(m, l.initItems[before:]...)
-	return
-badrange:
-	panic(fmt.Errorf("index %d out of range in Listbox.InsertBefore()", before))
-}
-
-// Delete removes the given item from the Listbox. It panics if the given index is out of bounds.
-func (l *Listbox) Delete(index int) {
-	if l.created {
-		if index < 0 || index >= l.sysData.len() {
-			goto badrange
-		}
-		l.sysData.delete(index)
-		return
-	}
-	if index < 0 || index >= len(l.initItems) {
-		goto badrange
-	}
-	l.initItems = append(l.initItems[:index], l.initItems[index+1:]...)
-	return
-badrange:
-	panic(fmt.Errorf("index %d out of range in Listbox.Delete()", index))
-}
-
-// Selection returns a list of strings currently selected in the Listbox, or an empty list if none have been selected. This list will have at most one item on a single-selection Listbox.
-func (l *Listbox) Selection() []string {
-	if l.created {
-		return l.sysData.selectedTexts()
-	}
-	return nil
-}
-
-// SelectedIndices returns a list of the currently selected indexes in the Listbox, or an empty list if none have been selected. This list will have at most one item on a single-selection Listbox.
-func (l *Listbox) SelectedIndices() []int {
-	if l.created {
-		return l.sysData.selectedIndices()
-	}
-	return nil
-}
-
-// Len returns the number of items in the Listbox.
-//
-// On platforms for which this function may return an error, it panics if one is returned.
-func (l *Listbox) Len() int {
-	if l.created {
-		return l.sysData.len()
-	}
-	return len(l.initItems)
-}
-
-func (l *Listbox) make(window *sysData) (err error) {
-	err = l.sysData.make(window)
-	if err != nil {
-		return err
-	}
-	for _, s := range l.initItems {
-		l.sysData.append(s)
-	}
-	l.created = true
-	return nil
-}
-
-func (l *Listbox) 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 *Listbox) preferredSize(d *sysSizeData) (width int, height int) {
-	return l.sysData.preferredSize(d)
-}
-
-func (l *Listbox) commitResize(a *allocation, d *sysSizeData) {
-	l.sysData.commitResize(a, d)
-}
-
-func (l *Listbox) getAuxResizeInfo(d *sysSizeData) {
-	l.sysData.getAuxResizeInfo(d)
-}