/
listcombobutton.go
214 lines (171 loc) · 5.12 KB
/
listcombobutton.go
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package widget
import (
"image"
"github.com/ebitenui/ebitenui/event"
"github.com/ebitenui/ebitenui/input"
"github.com/hajimehoshi/ebiten/v2"
"golang.org/x/image/font"
)
type ListComboButton struct {
EntrySelectedEvent *event.Event
buttonOpts []SelectComboButtonOpt
listOpts []ListOpt
init *MultiOnce
button *SelectComboButton
list *List
tabOrder int
disableDefaultKeys bool
}
type ListComboButtonOpt func(l *ListComboButton)
type ListComboButtonEntrySelectedEventArgs struct {
Button *ListComboButton
Entry interface{}
PreviousEntry interface{}
}
type ListComboButtonEntrySelectedHandlerFunc func(args *ListComboButtonEntrySelectedEventArgs)
type ListComboButtonOptions struct {
}
var ListComboButtonOpts ListComboButtonOptions
func NewListComboButton(opts ...ListComboButtonOpt) *ListComboButton {
l := &ListComboButton{
EntrySelectedEvent: &event.Event{},
init: &MultiOnce{},
}
l.init.Append(l.createWidget)
for _, o := range opts {
o(l)
}
return l
}
func (o ListComboButtonOptions) SelectComboButtonOpts(opts ...SelectComboButtonOpt) ListComboButtonOpt {
return func(l *ListComboButton) {
l.buttonOpts = append(l.buttonOpts, opts...)
}
}
func (o ListComboButtonOptions) ListOpts(opts ...ListOpt) ListComboButtonOpt {
return func(l *ListComboButton) {
l.listOpts = append(l.listOpts, opts...)
}
}
func (o ListComboButtonOptions) Text(face font.Face, image *ButtonImageImage, color *ButtonTextColor) ListComboButtonOpt {
return o.SelectComboButtonOpts(SelectComboButtonOpts.ComboButtonOpts(ComboButtonOpts.ButtonOpts(ButtonOpts.TextAndImage("", face, image, color))))
}
func (o ListComboButtonOptions) EntryLabelFunc(button SelectComboButtonEntryLabelFunc, list ListEntryLabelFunc) ListComboButtonOpt {
return func(l *ListComboButton) {
l.buttonOpts = append(l.buttonOpts, SelectComboButtonOpts.EntryLabelFunc(button))
l.listOpts = append(l.listOpts, ListOpts.EntryLabelFunc(list))
}
}
func (o ListComboButtonOptions) EntrySelectedHandler(f ListComboButtonEntrySelectedHandlerFunc) ListComboButtonOpt {
return func(l *ListComboButton) {
l.EntrySelectedEvent.AddHandler(func(args interface{}) {
f(args.(*ListComboButtonEntrySelectedEventArgs))
})
}
}
func (o ListComboButtonOptions) TabOrder(tabOrder int) ListComboButtonOpt {
return func(sl *ListComboButton) {
sl.tabOrder = tabOrder
}
}
func (o ListComboButtonOptions) DisableDefaultKeys(val bool) ListComboButtonOpt {
return func(sl *ListComboButton) {
sl.disableDefaultKeys = val
}
}
func (l *ListComboButton) Focus(focused bool) {
l.init.Do()
l.GetWidget().FireFocusEvent(l, focused, image.Point{-1, -1})
l.button.button.button.focused = focused
if !focused {
l.SetContentVisible(false)
}
}
func (l *ListComboButton) IsFocused() bool {
return l.button.button.button.focused
}
func (l *ListComboButton) TabOrder() int {
return l.tabOrder
}
func (l *ListComboButton) GetWidget() *Widget {
l.init.Do()
return l.button.GetWidget()
}
func (l *ListComboButton) PreferredSize() (int, int) {
l.init.Do()
return l.button.PreferredSize()
}
func (l *ListComboButton) SetLocation(rect image.Rectangle) {
l.init.Do()
l.button.SetLocation(rect)
}
func (l *ListComboButton) SetupInputLayer(def input.DeferredSetupInputLayerFunc) {
l.init.Do()
l.button.SetupInputLayer(def)
}
func (l *ListComboButton) Render(screen *ebiten.Image, def DeferredRenderFunc) {
l.init.Do()
if l.button.button.button.focused {
if !l.disableDefaultKeys {
if input.KeyPressed(ebiten.KeyDown) || input.KeyPressed(ebiten.KeyUp) {
l.SetContentVisible(true)
}
}
}
l.button.Render(screen, def)
}
func (l *ListComboButton) createWidget() {
l.list = NewList(append(l.listOpts, []ListOpt{
ListOpts.HideHorizontalSlider(),
ListOpts.AllowReselect(),
ListOpts.DisableDefaultKeys(l.disableDefaultKeys),
}...)...)
l.listOpts = nil
l.button = NewSelectComboButton(append(l.buttonOpts,
SelectComboButtonOpts.ComboButtonOpts(ComboButtonOpts.Content(l.list)),
)...)
l.buttonOpts = nil
if len(l.list.entries) > 0 {
firstEntry := l.list.entries[0]
l.button.SetSelectedEntry(firstEntry)
l.list.SetSelectedEntry(firstEntry)
}
l.button.EntrySelectedEvent.AddHandler(func(args interface{}) {
a := args.(*SelectComboButtonEntrySelectedEventArgs)
l.EntrySelectedEvent.Fire(&ListComboButtonEntrySelectedEventArgs{
Button: l,
Entry: a.Entry,
PreviousEntry: a.PreviousEntry,
})
})
l.list.EntrySelectedEvent.AddHandler(func(args interface{}) {
a := args.(*ListEntrySelectedEventArgs)
l.SetContentVisible(false)
l.SetSelectedEntry(a.Entry)
})
}
func (l *ListComboButton) SetSelectedEntry(e interface{}) {
l.init.Do()
l.button.SetSelectedEntry(e)
l.list.setSelectedEntry(e, false)
}
func (l *ListComboButton) SelectedEntry() interface{} {
l.init.Do()
return l.button.SelectedEntry()
}
func (l *ListComboButton) SetContentVisible(v bool) {
l.init.Do()
l.list.Focus(v)
l.button.SetContentVisible(v)
if !v {
l.list.resetFocusIndex()
}
}
func (l *ListComboButton) ContentVisible() bool {
l.init.Do()
return l.button.ContentVisible()
}
func (l *ListComboButton) Label() string {
l.init.Do()
return l.button.Label()
}