(gtx layout.Context)
| 355 | } |
| 356 | |
| 357 | func (e *Editor) processKey(gtx layout.Context) (EditorEvent, bool) { |
| 358 | if e.text.Changed() { |
| 359 | return ChangeEvent{}, true |
| 360 | } |
| 361 | caret, _ := e.text.Selection() |
| 362 | atBeginning := caret == 0 |
| 363 | atEnd := caret == e.text.Len() |
| 364 | if gtx.Locale.Direction.Progression() != system.FromOrigin { |
| 365 | atEnd, atBeginning = atBeginning, atEnd |
| 366 | } |
| 367 | filters := []event.Filter{ |
| 368 | key.FocusFilter{Target: e}, |
| 369 | transfer.TargetFilter{Target: e, Type: "application/text"}, |
| 370 | key.Filter{Focus: e, Name: key.NameEnter, Optional: key.ModShift}, |
| 371 | key.Filter{Focus: e, Name: key.NameReturn, Optional: key.ModShift}, |
| 372 | |
| 373 | key.Filter{Focus: e, Name: "Z", Required: key.ModShortcut, Optional: key.ModShift}, |
| 374 | key.Filter{Focus: e, Name: "C", Required: key.ModShortcut}, |
| 375 | key.Filter{Focus: e, Name: "V", Required: key.ModShortcut}, |
| 376 | key.Filter{Focus: e, Name: "X", Required: key.ModShortcut}, |
| 377 | key.Filter{Focus: e, Name: "A", Required: key.ModShortcut}, |
| 378 | |
| 379 | key.Filter{Focus: e, Name: key.NameDeleteBackward, Optional: key.ModShortcutAlt | key.ModShift}, |
| 380 | key.Filter{Focus: e, Name: key.NameDeleteForward, Optional: key.ModShortcutAlt | key.ModShift}, |
| 381 | |
| 382 | key.Filter{Focus: e, Name: key.NameHome, Optional: key.ModShortcut | key.ModShift}, |
| 383 | key.Filter{Focus: e, Name: key.NameEnd, Optional: key.ModShortcut | key.ModShift}, |
| 384 | key.Filter{Focus: e, Name: key.NamePageDown, Optional: key.ModShift}, |
| 385 | key.Filter{Focus: e, Name: key.NamePageUp, Optional: key.ModShift}, |
| 386 | condFilter(!atBeginning, key.Filter{Focus: e, Name: key.NameLeftArrow, Optional: key.ModShortcutAlt | key.ModShift}), |
| 387 | condFilter(!atBeginning, key.Filter{Focus: e, Name: key.NameUpArrow, Optional: key.ModShortcutAlt | key.ModShift}), |
| 388 | condFilter(!atEnd, key.Filter{Focus: e, Name: key.NameRightArrow, Optional: key.ModShortcutAlt | key.ModShift}), |
| 389 | condFilter(!atEnd, key.Filter{Focus: e, Name: key.NameDownArrow, Optional: key.ModShortcutAlt | key.ModShift}), |
| 390 | } |
| 391 | // adjust keeps track of runes dropped because of MaxLen. |
| 392 | var adjust int |
| 393 | for { |
| 394 | ke, ok := gtx.Event(filters...) |
| 395 | if !ok { |
| 396 | break |
| 397 | } |
| 398 | e.blinkStart = gtx.Now |
| 399 | switch ke := ke.(type) { |
| 400 | case key.FocusEvent: |
| 401 | // Reset IME state. |
| 402 | e.ime.imeState = imeState{} |
| 403 | e.ime.composition = key.Range{Start: -1, End: -1} |
| 404 | if ke.Focus && !e.ReadOnly { |
| 405 | gtx.Execute(key.SoftKeyboardCmd{Show: true}) |
| 406 | } |
| 407 | case key.CompositionEvent: |
| 408 | e.ime.composition = key.Range(ke) |
| 409 | case key.Event: |
| 410 | if !gtx.Focused(e) || ke.State != key.Press { |
| 411 | break |
| 412 | } |
| 413 | if !e.ReadOnly && e.Submit && (ke.Name == key.NameReturn || ke.Name == key.NameEnter) { |
| 414 | if !ke.Modifiers.Contain(key.ModShift) { |
no test coverage detected