package objects import "git.tebibyte.media/tomo/tomo" import "git.tebibyte.media/tomo/tomo/input" import "git.tebibyte.media/tomo/tomo/event" import "git.tebibyte.media/tomo/objects/layouts" // MenuItem is a clickable button. type MenuItem struct { tomo.ContainerBox label *Label icon *Icon labelActive bool on struct { click event.FuncBroadcaster } } // NewMenuItem creates a new menu item with the specified text. func NewMenuItem (text string) *MenuItem { box := &MenuItem { ContainerBox: tomo.NewContainerBox(), label: NewLabel(text), icon: NewIcon("", tomo.IconSizeSmall), } box.SetRole(tomo.R("objects", "MenuItem", "")) box.label.SetAlign(tomo.AlignStart, tomo.AlignMiddle) box.SetLayout(layouts.NewGrid([]bool { false, true }, []bool { true })) box.Add(box.icon) box.Add(box.label) box.CaptureDND(true) box.CaptureMouse(true) box.CaptureScroll(true) box.CaptureKeyboard(true) box.OnMouseUp(box.handleMouseUp) box.OnKeyUp(box.handleKeyUp) box.SetFocusable(true) return box } // SetText sets the text of the items's label. func (this *MenuItem) SetText (text string) { this.label.SetText(text) } // SetIcon sets an icon for this item. Setting the icon to IconUnknown will // remove it. func (this *MenuItem) SetIcon (id tomo.Icon) { if this.icon != nil { this.Remove(this.icon) } this.Insert(NewIcon(id, tomo.IconSizeSmall), this.label) } // OnClick specifies a function to be called when the menu item is clicked. func (this *MenuItem) OnClick (callback func ()) event.Cookie { return this.on.click.Connect(callback) } func (this *MenuItem) handleKeyUp (key input.Key, numberPad bool) { if key != input.KeyEnter && key != input.Key(' ') { return } this.on.click.Broadcast() } func (this *MenuItem) handleMouseUp (button input.Button) { if button != input.ButtonLeft { return } if this.MousePosition().In(this.Bounds()) { this.on.click.Broadcast() } }