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 selectable memu item. 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 { return NewIconMenuItem(tomo.IconUnknown, text) } // NewIconMenuItem creates a new menu item with the specified icon and text. func NewIconMenuItem (icon tomo.Icon, text string) *MenuItem { box := &MenuItem { ContainerBox: tomo.NewContainerBox(), label: NewLabel(text), icon: NewIcon(icon, tomo.IconSizeSmall), } box.SetRole(tomo.R("objects", "MenuItem")) box.label.SetAttr(tomo.AAlign(tomo.AlignStart, tomo.AlignMiddle)) box.SetAttr(tomo.ALayout(layouts.Row { false, true })) box.Add(box.icon) box.Add(box.label) box.SetInputMask(true) box.OnButtonDown(box.handleButtonDown) box.OnButtonUp(box.handleButtonUp) box.OnKeyDown(box.handleKeyDown) 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) { this.icon.SetIcon(id, tomo.IconSizeSmall) } // 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) handleKeyDown (key input.Key, numberPad bool) bool { if key != input.KeyEnter && key != input.Key(' ') { return false } return true } func (this *MenuItem) handleKeyUp (key input.Key, numberPad bool) bool { if key != input.KeyEnter && key != input.Key(' ') { return false } this.on.click.Broadcast() return true } func (this *MenuItem) handleButtonDown (button input.Button) bool { if button != input.ButtonLeft { return false } return true } func (this *MenuItem) handleButtonUp (button input.Button) bool { if button != input.ButtonLeft { return false } if this.Window().MousePosition().In(this.Bounds()) { this.on.click.Broadcast() } return true }