handleWidgetStateFromMouse updates all standard State flags based on mouse events, such as MouseDown / Up -> Active and MouseEnter / Leave -> Hovered. None of these "consume" the event by setting Handled flag, as they are designed to work in conjunction with more specific handlers. Note that Disable
()
| 312 | // Note that Disabled and Invisible widgets do NOT receive |
| 313 | // these events so it is not necessary to check that. |
| 314 | func (wb *WidgetBase) handleWidgetStateFromMouse() { |
| 315 | wb.On(events.MouseDown, func(e events.Event) { |
| 316 | if wb.AbilityIs(abilities.Activatable) { |
| 317 | wb.SetState(true, states.Active) |
| 318 | } |
| 319 | }) |
| 320 | wb.On(events.MouseUp, func(e events.Event) { |
| 321 | if wb.AbilityIs(abilities.Activatable) { |
| 322 | wb.SetState(false, states.Active) |
| 323 | } |
| 324 | }) |
| 325 | wb.On(events.LongPressStart, func(e events.Event) { |
| 326 | if wb.AbilityIs(abilities.LongPressable) { |
| 327 | wb.SetState(true, states.LongPressed) |
| 328 | } |
| 329 | }) |
| 330 | wb.On(events.LongPressEnd, func(e events.Event) { |
| 331 | if wb.AbilityIs(abilities.LongPressable) { |
| 332 | wb.SetState(false, states.LongPressed) |
| 333 | } |
| 334 | }) |
| 335 | wb.On(events.MouseEnter, func(e events.Event) { |
| 336 | if wb.AbilityIs(abilities.Hoverable) { |
| 337 | wb.SetState(true, states.Hovered) |
| 338 | } |
| 339 | }) |
| 340 | wb.On(events.MouseLeave, func(e events.Event) { |
| 341 | if wb.AbilityIs(abilities.Hoverable) { |
| 342 | wb.SetState(false, states.Hovered) |
| 343 | } |
| 344 | }) |
| 345 | wb.On(events.LongHoverStart, func(e events.Event) { |
| 346 | if wb.AbilityIs(abilities.LongHoverable) { |
| 347 | wb.SetState(true, states.LongHovered) |
| 348 | } |
| 349 | }) |
| 350 | wb.On(events.LongHoverEnd, func(e events.Event) { |
| 351 | if wb.AbilityIs(abilities.LongHoverable) { |
| 352 | wb.SetState(false, states.LongHovered) |
| 353 | } |
| 354 | }) |
| 355 | wb.On(events.SlideStart, func(e events.Event) { |
| 356 | if wb.AbilityIs(abilities.Slideable) { |
| 357 | wb.SetState(true, states.Sliding) |
| 358 | } |
| 359 | }) |
| 360 | wb.On(events.SlideStop, func(e events.Event) { |
| 361 | if wb.AbilityIs(abilities.Slideable) { |
| 362 | wb.SetState(false, states.Sliding, states.Active) |
| 363 | } |
| 364 | }) |
| 365 | wb.On(events.DragStart, func(e events.Event) { |
| 366 | if wb.AbilityIs(abilities.Draggable) { |
| 367 | wb.SetState(true, states.Dragging) |
| 368 | } |
| 369 | }) |
| 370 | wb.On(events.Drop, func(e events.Event) { |
| 371 | if wb.AbilityIs(abilities.Draggable) { |