74 lines
1.9 KiB
Go
74 lines
1.9 KiB
Go
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()
|
|
}
|
|
}
|