public void EnterText(KeyboardInputEvent evt)
{
evt.StopPropagation();
if (HasDisabledAttr())
{
return;
}
switch (evt.keyCode)
{
case KeyCode.Home:
HandleHome(evt);
break;
case KeyCode.End:
HandleEnd(evt);
break;
case KeyCode.Backspace:
HandleBackspace(evt);
break;
case KeyCode.Delete:
HandleDelete(evt);
break;
case KeyCode.LeftArrow:
HandleLeftArrow(evt);
break;
case KeyCode.RightArrow:
HandleRightArrow(evt);
break;
case KeyCode.C when evt.onlyControl && selectionRange.HasSelection:
HandleCopy(evt);
break;
case KeyCode.V when evt.onlyControl && selectionRange.HasSelection:
HandlePaste(evt);
break;
case KeyCode.X when evt.onlyControl && selectionRange.HasSelection:
HandleCut(evt);
break;
case KeyCode.A when evt.onlyControl && selectionRange.HasSelection:
HandleSelectAll(evt);
//
break;
default:
OnTextEntered(evt);
break;
}
}
public void OnKeyDownNavigate(KeyboardInputEvent evt)
{
if (disabled)
{
return;
}
if (selecting && evt.keyCode == KeyCode.Escape)
{
selecting = false;
return;
}
if (selecting && (evt.keyCode == KeyCode.Return || evt.keyCode == KeyCode.Space))
{
// space and return should only choose the currently keyboard-selected item
if (keyboardNavigationIndex > -1)
{
SetSelectedValue(keyboardNavigationIndex);
childrenElement.children[selectedIndex].style.ExitState(StyleState.Hover);
}
return;
}
// just submit the form if we have focus and are not in selection mode
if (!selecting && evt.keyCode == KeyCode.Return)
{
Input.DelayEvent(this, new SubmitEvent());
return;
}
// enable tab navigation
if (evt.keyCode == KeyCode.Tab)
{
Input.DelayEvent(this, new TabNavigationEvent(evt));
return;
}
if (!selecting)
{
// enter selection mode if we have focus and press space
if (evt.keyCode == KeyCode.Space)
{
selecting = true;
keyboardNavigationIndex = selectedIndex;
if (keyboardNavigationIndex == -1)
{
keyboardNavigationIndex = 0;
}
childrenElement.children[keyboardNavigationIndex].style.EnterState(StyleState.Hover);
}
}
}
private void HandleBackspace(KeyboardInputEvent evt)
{
if (!InitKeyPress(evt))
{
return;
}
HandleCharactersDeletedBackwards();
ScrollToCursor();
}
public void OnKeyHeldDownWithFocus(KeyboardInputEvent evt)
{
if (inputElement.HasDisabledAttr())
{
return;
}
evt.StopPropagation();
switch (evt.keyCode)
{
case KeyCode.UpArrow: IncrementContinuously();
break;
case KeyCode.DownArrow: DecrementContinuously();
break;
default: return;
}
}
public void OnKeyPressed(KeyboardInputEvent evt)
{
if (inputElement.HasDisabledAttr())
{
return;
}
evt.StopPropagation();
switch (evt.keyCode)
{
case KeyCode.UpArrow: Increment();
break;
case KeyCode.DownArrow: Decrement();
break;
default: return;
}
keyLockTimestamp = Time.unscaledTime;
}
private void OnTextEntered(KeyboardInputEvent evt)
{
if (evt.ctrl)
{
return;
}
char c = evt.character;
if (evt.keyCode == KeyCode.Return)
{
if (!InitKeyPress(evt))
{
return;
}
HandleSubmit();
return;
}
if (evt.keyCode == KeyCode.Tab)
{
return;
}
if (c == '\n' || c == '\t')
{
return;
}
// assume we only ever use 1 text span for now, this should change in the future
if (!textElement.textInfo.rootSpan.textStyle.fontAsset.HasCharacter(c))
{
return;
}
HandleCharactersEntered(c.ToString());
ScrollToCursor();
}
public void OnEvent(object sender, KeyboardInputEvent args)
{
// Store event.
inputEvent = args;
processed = false;
}
protected UIEvent(string eventType, KeyboardInputEvent keyboardInputEvent)
{
this.eventType = eventType;
this.keyboardInputEvent = keyboardInputEvent;
propagating = true;
}
public TabNavigationEvent(KeyboardInputEvent keyboardInputEvent)
: base("tabnavigation", keyboardInputEvent)
{
}
private void HandleEnd(KeyboardInputEvent evt)
{
selectionRange = textElement.textInfo.MoveToEndOfLine(selectionRange, evt.shift);
blinkStartTime = Time.unscaledTime;
ScrollToCursor();
}
public void OnKeyboardNavigate(KeyboardInputEvent evt)
{
if (disabled)
{
return;
}
if (debounce - Time.realtimeSinceStartup > -0.1)
{
return;
}
debounce = Time.realtimeSinceStartup;
if (!selecting)
{
// if we are NOT in selection mode using the arrow keys should just cycle through the options and set them immediately
if (evt.keyCode == KeyCode.UpArrow)
{
selectedIndex--;
if (selectedIndex < 0)
{
selectedIndex = options.Count - 1;
}
SetSelectedValue(selectedIndex);
evt.StopPropagation();
}
else if (evt.keyCode == KeyCode.DownArrow)
{
selectedIndex++;
if (selectedIndex == options.Count)
{
selectedIndex = 0;
}
SetSelectedValue(selectedIndex);
evt.StopPropagation();
}
}
else
{
// use the up/down arrows to navigate through the options but only visually. pressing space or return will set the new value for real.
if (evt.keyCode == KeyCode.UpArrow)
{
if (keyboardNavigationIndex > -1)
{
childrenElement.children[keyboardNavigationIndex].style.ExitState(StyleState.Hover);
}
keyboardNavigationIndex--;
if (keyboardNavigationIndex < 0)
{
keyboardNavigationIndex = options.Count - 1;
}
ScrollElementIntoView();
evt.StopPropagation();
}
else if (evt.keyCode == KeyCode.DownArrow)
{
if (keyboardNavigationIndex > -1)
{
childrenElement.children[keyboardNavigationIndex].style.ExitState(StyleState.Hover);
}
keyboardNavigationIndex++;
if (keyboardNavigationIndex == options.Count)
{
keyboardNavigationIndex = 0;
}
ScrollElementIntoView();
evt.StopPropagation();
}
}
}
