void _handleSelectionChanged(TextSelection selection, SelectionChangedCause cause)
{
bool willShowSelectionHandles = _shouldShowSelectionHandles(cause);
if (willShowSelectionHandles != _showSelectionHandles)
{
setState(() => { _showSelectionHandles = willShowSelectionHandles; });
}
switch (Theme.of(context).platform)
{
case RuntimePlatform.IPhonePlayer:
case RuntimePlatform.OSXEditor:
case RuntimePlatform.OSXPlayer:
if (cause == SelectionChangedCause.longPress)
{
_editableText?.bringIntoView(selection.basePos);
}
return;
default:
// Do nothing.
break;
}
}
bool _shouldShowSelectionHandles(SelectionChangedCause cause)
{
if (!_selectionGestureDetectorBuilder.shouldShowSelectionToolbar)
{
return(false);
}
if (_controller.selection.isCollapsed)
{
return(false);
}
if (cause == SelectionChangedCause.keyboard)
{
return(false);
}
if (cause == SelectionChangedCause.longPress)
{
return(true);
}
if (_controller.text.isNotEmpty())
{
return(true);
}
return(false);
}
void _handleSelectionChanged(TextSelection selection, SelectionChangedCause cause)
{
if (cause == SelectionChangedCause.longPress)
{
this._editableText?.bringIntoView(selection.basePos);
}
}
void _handleSelectionChanged(TextSelection selection, SelectionChangedCause cause)
{
if (cause == SelectionChangedCause.longPress)
{
// Feedback.forLongPress(context); todo add feedback
}
}
void selectWordEdge(SelectionChangedCause cause)
{
this._layoutText(this.constraints.maxWidth);
D.assert(this._lastTapDownPosition != null);
if (this.onSelectionChanged != null)
{
TextPosition position = this._textPainter.getPositionForOffset(this.globalToLocal(this._lastTapDownPosition));
TextRange word = this._textPainter.getWordBoundary(position);
if (position.offset - word.start <= 1)
{
this.onSelectionChanged(
TextSelection.collapsed(offset: word.start, affinity: TextAffinity.downstream),
this,
cause
);
}
else
{
this.onSelectionChanged(
TextSelection.collapsed(offset: word.end, affinity: TextAffinity.upstream),
this,
cause
);
}
}
}
bool _shouldShowSelectionHandles(SelectionChangedCause cause)
{
// When the text field is activated by something that doesn't trigger the
// selection overlay, we shouldn't show the handles either.
if (!_selectionGestureDetectorBuilder.shouldShowSelectionToolbar)
{
return(false);
}
// On iOS, we don't show handles when the selection is collapsed.
if (_effectiveController.selection.isCollapsed)
{
return(false);
}
if (cause == SelectionChangedCause.keyboard)
{
return(false);
}
if (_effectiveController.text.isNotEmpty())
{
return(true);
}
return(false);
}
void _handleSelectionChanged(TextSelection selection, SelectionChangedCause cause)
{
if (Theme.of(this.context).platform == RuntimePlatform.IPhonePlayer &&
cause == SelectionChangedCause.longPress)
{
this._editableTextKey.currentState?.bringIntoView(selection.basePos);
}
}
void _handleSelectionChanged(TextSelection selection, SelectionChangedCause cause)
{
bool willShowSelectionHandles = _shouldShowSelectionHandles(cause);
if (willShowSelectionHandles != _showSelectionHandles)
{
setState(() => { _showSelectionHandles = willShowSelectionHandles; });
}
//use the code path for android by default
return;
}
void _handleSelectionChanged(TextSelection selection, SelectionChangedCause cause)
{
if (cause == SelectionChangedCause.longPress)
{
_editableText?.bringIntoView(selection._base);
}
bool willShowSelectionHandles = _shouldShowSelectionHandles(cause);
if (willShowSelectionHandles != _showSelectionHandles)
{
setState(() => {
_showSelectionHandles = willShowSelectionHandles;
});
}
}
void _handleSelectionChanged(TextSelection selection, SelectionChangedCause cause)
{
switch (Theme.of(this.context).platform)
{
case RuntimePlatform.IPhonePlayer:
if (cause == SelectionChangedCause.longPress)
{
this._editableTextKey.currentState?.bringIntoView(selection.basePos);
}
return;
case RuntimePlatform.Android:
break;
}
}
void _handleSelectionChanged(TextSelection selection, RenderEditable renderObject,
SelectionChangedCause cause)
{
this.widget.controller.selection = selection;
this.requestKeyboard();
this._hideSelectionOverlayIfNeeded();
if (this.widget.selectionControls != null)
{
this._selectionOverlay = new TextSelectionOverlay(
context: this.context,
value: this._value,
debugRequiredFor: this.widget,
layerLink: this._layerLink,
renderObject: renderObject,
selectionControls: this.widget.selectionControls,
selectionDelegate: this
);
bool longPress = cause == SelectionChangedCause.longPress;
if (cause != SelectionChangedCause.keyboard && (this._value.text.isNotEmpty() || longPress))
{
this._selectionOverlay.showHandles();
}
if (longPress || cause == SelectionChangedCause.doubleTap)
{
this._selectionOverlay.showToolbar();
}
}
if (this.widget.onSelectionChanged != null)
{
this.widget.onSelectionChanged(selection, cause);
}
}
void _handleSelectionChanged(TextSelection selection,
SelectionChangedCause cause)
{
this.selection = selection;
this.onSelectionChanged?.Invoke();
}
void selectionChanged(TextSelection selection, Unity.UIWidgets.rendering.RenderEditable renderObject,
SelectionChangedCause cause)
{
Debug.Log($"selection {selection}");
renderObject.selection = selection;
}
