public TextSelectionGestureDetector(
Key key = null,
GestureTapDownCallback onTapDown = null,
GestureTapUpCallback onSingleTapUp = null,
GestureTapCancelCallback onSingleTapCancel = null,
GestureLongPressCallback onSingleLongTapStart = null,
GestureTapDownCallback onDoubleTapDown = null,
GestureDragStartCallback onDragSelectionStart = null,
DragSelectionUpdateCallback onDragSelectionUpdate = null,
GestureDragEndCallback onDragSelectionEnd = null,
HitTestBehavior?behavior = null,
Widget child = null
) : base(key: key)
{
D.assert(child != null);
this.onTapDown = onTapDown;
this.onSingleTapUp = onSingleTapUp;
this.onSingleTapCancel = onSingleTapCancel;
this.onSingleLongTapStart = onSingleLongTapStart;
this.onDoubleTapDown = onDoubleTapDown;
this.onDragSelectionStart = onDragSelectionStart;
this.onDragSelectionUpdate = onDragSelectionUpdate;
this.onDragSelectionEnd = onDragSelectionEnd;
this.behavior = behavior;
this.child = child;
}
public BackdropPanel(
Key key = null,
VoidCallback onTap = null,
GestureDragUpdateCallback onVerticalDragUpdate = null,
GestureDragEndCallback onVerticalDragEnd = null,
Widget title = null,
Widget child = null
) : base(key: key)
{
this.onTap = onTap;
this.onVerticalDragUpdate = onVerticalDragUpdate;
this.onVerticalDragEnd = onVerticalDragEnd;
this.title = title;
this.child = child;
}
public GestureDetector(
Key key = null,
Widget child = null,
GestureTapDownCallback onTapDown = null,
GestureTapUpCallback onTapUp = null,
GestureTapCallback onTap = null,
GestureTapCancelCallback onTapCancel = null,
GestureDoubleTapCallback onDoubleTap = null,
GestureLongPressCallback onLongPress = null,
GestureLongPressUpCallback onLongPressUp = null,
GestureLongPressDragStartCallback onLongPressDragStart = null,
GestureLongPressDragUpdateCallback onLongPressDragUpdate = null,
GestureLongPressDragUpCallback onLongPressDragUp = null,
GestureDragDownCallback onVerticalDragDown = null,
GestureDragStartCallback onVerticalDragStart = null,
GestureDragUpdateCallback onVerticalDragUpdate = null,
GestureDragEndCallback onVerticalDragEnd = null,
GestureDragCancelCallback onVerticalDragCancel = null,
GestureDragDownCallback onHorizontalDragDown = null,
GestureDragStartCallback onHorizontalDragStart = null,
GestureDragUpdateCallback onHorizontalDragUpdate = null,
GestureDragEndCallback onHorizontalDragEnd = null,
GestureDragCancelCallback onHorizontalDragCancel = null,
GestureDragDownCallback onPanDown = null,
GestureDragStartCallback onPanStart = null,
GestureDragUpdateCallback onPanUpdate = null,
GestureDragEndCallback onPanEnd = null,
GestureDragCancelCallback onPanCancel = null,
GestureScaleStartCallback onScaleStart = null,
GestureScaleUpdateCallback onScaleUpdate = null,
GestureScaleEndCallback onScaleEnd = null,
HitTestBehavior behavior = HitTestBehavior.deferToChild,
DragStartBehavior dragStartBehavior = DragStartBehavior.down
) : base(key)
{
D.assert(() => {
bool haveVerticalDrag =
onVerticalDragStart != null || onVerticalDragUpdate != null ||
onVerticalDragEnd != null;
bool haveHorizontalDrag =
onHorizontalDragStart != null || onHorizontalDragUpdate != null ||
onHorizontalDragEnd != null;
bool haveLongPress = onLongPress != null || onLongPressUp != null;
bool haveLongPressDrag = onLongPressDragStart != null || onLongPressDragUpdate != null ||
onLongPressDragUp != null;
bool havePan = onPanStart != null || onPanUpdate != null || onPanEnd != null;
bool haveScale = onScaleStart != null || onScaleUpdate != null || onScaleEnd != null;
if (havePan || haveScale)
{
if (havePan && haveScale)
{
throw new UIWidgetsError(
"Incorrect GestureDetector arguments.\n" +
"Having both a pan gesture recognizer and a scale gesture recognizer is redundant; scale is a superset of pan. Just use the scale gesture recognizer."
);
}
string recognizer = havePan ? "pan" : "scale";
if (haveVerticalDrag && haveHorizontalDrag)
{
throw new UIWidgetsError(
"Incorrect GestureDetector arguments.\n" +
$"Simultaneously having a vertical drag gesture recognizer, a horizontal drag gesture recognizer, and a {recognizer} gesture recognizer " +
$"will result in the {recognizer} gesture recognizer being ignored, since the other two will catch all drags."
);
}
}
if (haveLongPress && haveLongPressDrag)
{
throw new UIWidgetsError(
"Incorrect GestureDetector arguments.\n" +
"Having both a long press and a long press drag recognizer is " +
"redundant as the long press drag is a superset of long press. " +
"Except long press drag allows for drags after the long press is " +
"triggered."
);
}
return(true);
});
this.child = child;
this.onTapDown = onTapDown;
this.onTapUp = onTapUp;
this.onTap = onTap;
this.onTapCancel = onTapCancel;
this.onDoubleTap = onDoubleTap;
this.onLongPress = onLongPress;
this.onLongPressUp = onLongPressUp;
this.onLongPressDragStart = onLongPressDragStart;
this.onLongPressDragUpdate = onLongPressDragUpdate;
this.onLongPressDragUp = onLongPressDragUp;
this.onVerticalDragDown = onVerticalDragDown;
this.onVerticalDragStart = onVerticalDragStart;
this.onVerticalDragUpdate = onVerticalDragUpdate;
this.onVerticalDragEnd = onVerticalDragEnd;
this.onVerticalDragCancel = onVerticalDragCancel;
this.onHorizontalDragDown = onHorizontalDragDown;
this.onHorizontalDragStart = onHorizontalDragStart;
this.onHorizontalDragUpdate = onHorizontalDragUpdate;
this.onHorizontalDragEnd = onHorizontalDragEnd;
this.onHorizontalDragCancel = onHorizontalDragCancel;
this.onPanDown = onPanDown;
this.onPanStart = onPanStart;
this.onPanUpdate = onPanUpdate;
this.onPanEnd = onPanEnd;
this.onPanCancel = onPanCancel;
this.onScaleStart = onScaleStart;
this.onScaleUpdate = onScaleUpdate;
this.onScaleEnd = onScaleEnd;
this.behavior = behavior;
this.dragStartBehavior = dragStartBehavior;
}
public override Widget build(BuildContext context)
{
base.build(context); // See AutomaticKeepAliveClientMixin.
if (!this.widget.enabled ||
(this.widget.actionDelegate == null || this.widget.actionDelegate.actionCount == 0) &&
(this.widget.secondaryActionDelegate == null || this.widget.secondaryActionDelegate.actionCount == 0))
{
return(this.widget.child);
}
var content = this.widget.child;
if (this.actionType == CustomDismissibleActionType.primary && this.widget.actionDelegate != null &&
this.widget.actionDelegate.actionCount > 0 ||
this.actionType == CustomDismissibleActionType.secondary &&
this.widget.secondaryActionDelegate != null && this.widget.secondaryActionDelegate.actionCount > 0)
{
if (this.dismissible)
{
content = this.widget.slideToDismissDelegate.buildActions(
context,
new CustomDismissibleDelegateContext(this), this.widget.dismissibleDelegate
);
if (this._resizeAnimation != null)
{
D.assert(() => {
if (this._resizeAnimation.status != AnimationStatus.forward)
{
D.assert(this._resizeAnimation.status == AnimationStatus.completed);
}
return(true);
});
return(new SizeTransition(
sizeFactor: this._resizeAnimation,
axis: this.directionIsXAxis ? Axis.vertical : Axis.horizontal,
child: new SizedBox(
width: this._sizePriorToCollapse.width,
height: this._sizePriorToCollapse.height,
child: content
)
));
}
}
else
{
content = this.widget.dismissibleDelegate.buildActions(
context,
new CustomDismissibleDelegateContext(this)
);
}
}
GestureDragStartCallback onHorizontalDragStart = null;
GestureDragUpdateCallback onHorizontalDragUpdate = null;
GestureDragEndCallback onHorizontalDragEnd = null;
GestureDragStartCallback onVerticalDragStart = this._handleDragStart;
GestureDragUpdateCallback onVerticalDragUpdate = this._handleDragUpdate;
GestureDragEndCallback onVerticalDragEnd = this._handleDragEnd;
if (this.directionIsXAxis)
{
onHorizontalDragStart = this._handleDragStart;
onHorizontalDragUpdate = this._handleDragUpdate;
onHorizontalDragEnd = this._handleDragEnd;
onVerticalDragStart = null;
onVerticalDragUpdate = null;
onVerticalDragEnd = null;
}
return(new GestureDetector(
onHorizontalDragStart: onHorizontalDragStart,
onHorizontalDragUpdate: onHorizontalDragUpdate,
onHorizontalDragEnd: onHorizontalDragEnd,
onVerticalDragStart: onVerticalDragStart,
onVerticalDragUpdate: onVerticalDragUpdate,
onVerticalDragEnd: onVerticalDragEnd,
behavior: HitTestBehavior.opaque,
child: content
));
}
public GestureDetector(
Key key = null,
Widget child = null,
GestureTapDownCallback onTapDown = null,
GestureTapUpCallback onTapUp = null,
GestureTapCallback onTap = null,
GestureTapCancelCallback onTapCancel = null,
GestureDoubleTapCallback onDoubleTap = null,
GestureLongPressCallback onLongPress = null,
GestureDragDownCallback onVerticalDragDown = null,
GestureDragStartCallback onVerticalDragStart = null,
GestureDragUpdateCallback onVerticalDragUpdate = null,
GestureDragEndCallback onVerticalDragEnd = null,
GestureDragCancelCallback onVerticalDragCancel = null,
GestureDragDownCallback onHorizontalDragDown = null,
GestureDragStartCallback onHorizontalDragStart = null,
GestureDragUpdateCallback onHorizontalDragUpdate = null,
GestureDragEndCallback onHorizontalDragEnd = null,
GestureDragCancelCallback onHorizontalDragCancel = null,
GestureDragDownCallback onPanDown = null,
GestureDragStartCallback onPanStart = null,
GestureDragUpdateCallback onPanUpdate = null,
GestureDragEndCallback onPanEnd = null,
GestureDragCancelCallback onPanCancel = null,
HitTestBehavior behavior = HitTestBehavior.deferToChild) : base(key)
{
D.assert(() => {
bool haveVerticalDrag =
onVerticalDragStart != null || onVerticalDragUpdate != null ||
onVerticalDragEnd != null;
bool haveHorizontalDrag =
onHorizontalDragStart != null || onHorizontalDragUpdate != null ||
onHorizontalDragEnd != null;
bool havePan = onPanStart != null || onPanUpdate != null || onPanEnd != null;
if (havePan)
{
if (haveVerticalDrag && haveHorizontalDrag)
{
throw new UIWidgetsError(
"Incorrect GestureDetector arguments.\n" +
"Simultaneously having a vertical drag gesture recognizer, a horizontal drag gesture recognizer, and a pan gesture recognizer " +
"will result in the pan gesture recognizer being ignored, since the other two will catch all drags."
);
}
}
return(true);
});
this.child = child;
this.onTapDown = onTapDown;
this.onTapUp = onTapUp;
this.onTap = onTap;
this.onTapCancel = onTapCancel;
this.onDoubleTap = onDoubleTap;
this.onLongPress = onLongPress;
this.onVerticalDragDown = onVerticalDragDown;
this.onVerticalDragStart = onVerticalDragStart;
this.onVerticalDragUpdate = onVerticalDragUpdate;
this.onVerticalDragEnd = onVerticalDragEnd;
this.onVerticalDragCancel = onVerticalDragCancel;
this.onHorizontalDragDown = onHorizontalDragDown;
this.onHorizontalDragStart = onHorizontalDragStart;
this.onHorizontalDragUpdate = onHorizontalDragUpdate;
this.onHorizontalDragEnd = onHorizontalDragEnd;
this.onHorizontalDragCancel = onHorizontalDragCancel;
this.onPanDown = onPanDown;
this.onPanStart = onPanStart;
this.onPanUpdate = onPanUpdate;
this.onPanEnd = onPanEnd;
this.onPanCancel = onPanCancel;
this.behavior = behavior;
}
public GestureDetector(
Key key = null,
Widget child = null,
GestureTapDownCallback onTapDown = null,
GestureTapUpCallback onTapUp = null,
GestureTapCallback onTap = null,
GestureTapCancelCallback onTapCancel = null,
GestureTapDownCallback onSecondaryTapDown = null,
GestureTapUpCallback onSecondaryTapUp = null,
GestureTapCancelCallback onSecondaryTapCancel = null,
GestureDoubleTapCallback onDoubleTap = null,
GestureLongPressCallback onLongPress = null,
GestureLongPressStartCallback onLongPressStart = null,
GestureLongPressMoveUpdateCallback onLongPressMoveUpdate = null,
GestureLongPressUpCallback onLongPressUp = null,
GestureLongPressEndCallback onLongPressEnd = null,
GestureDragDownCallback onVerticalDragDown = null,
GestureDragStartCallback onVerticalDragStart = null,
GestureDragUpdateCallback onVerticalDragUpdate = null,
GestureDragEndCallback onVerticalDragEnd = null,
GestureDragCancelCallback onVerticalDragCancel = null,
GestureDragDownCallback onHorizontalDragDown = null,
GestureDragStartCallback onHorizontalDragStart = null,
GestureDragUpdateCallback onHorizontalDragUpdate = null,
GestureDragEndCallback onHorizontalDragEnd = null,
GestureDragCancelCallback onHorizontalDragCancel = null,
GestureForcePressStartCallback onForcePressStart = null,
GestureForcePressPeakCallback onForcePressPeak = null,
GestureForcePressUpdateCallback onForcePressUpdate = null,
GestureForcePressEndCallback onForcePressEnd = null,
GestureDragDownCallback onPanDown = null,
GestureDragStartCallback onPanStart = null,
GestureDragUpdateCallback onPanUpdate = null,
GestureDragEndCallback onPanEnd = null,
GestureDragCancelCallback onPanCancel = null,
GestureScaleStartCallback onScaleStart = null,
GestureScaleUpdateCallback onScaleUpdate = null,
GestureScaleEndCallback onScaleEnd = null,
HitTestBehavior behavior = HitTestBehavior.deferToChild,
DragStartBehavior dragStartBehavior = DragStartBehavior.down
) : base(key)
{
D.assert(() => {
bool haveVerticalDrag =
onVerticalDragStart != null || onVerticalDragUpdate != null ||
onVerticalDragEnd != null;
bool haveHorizontalDrag =
onHorizontalDragStart != null || onHorizontalDragUpdate != null ||
onHorizontalDragEnd != null;
bool havePan = onPanStart != null || onPanUpdate != null || onPanEnd != null;
bool haveScale = onScaleStart != null || onScaleUpdate != null || onScaleEnd != null;
if (havePan || haveScale)
{
if (havePan && haveScale)
{
throw new UIWidgetsError(new List <DiagnosticsNode> {
new ErrorSummary("Incorrect GestureDetector arguments."),
new ErrorDescription(
"Having both a pan gesture recognizer and a scale gesture recognizer is redundant; scale is a superset of pan."
),
new ErrorHint("Just use the scale gesture recognizer.")
});
}
string recognizer = havePan ? "pan" : "scale";
if (haveVerticalDrag && haveHorizontalDrag)
{
throw new UIWidgetsError(
"Incorrect GestureDetector arguments.\n" +
$"Simultaneously having a vertical drag gesture recognizer, a horizontal drag gesture recognizer, and a {recognizer} gesture recognizer " +
$"will result in the {recognizer} gesture recognizer being ignored, since the other two will catch all drags."
);
}
}
return(true);
});
this.child = child;
this.onTapDown = onTapDown;
this.onTapUp = onTapUp;
this.onTap = onTap;
this.onTapCancel = onTapCancel;
this.onSecondaryTapDown = onSecondaryTapDown;
this.onSecondaryTapUp = onSecondaryTapUp;
this.onSecondaryTapCancel = onSecondaryTapCancel;
this.onDoubleTap = onDoubleTap;
this.onLongPress = onLongPress;
this.onLongPressUp = onLongPressUp;
this.onLongPressStart = onLongPressStart;
this.onLongPressMoveUpdate = onLongPressMoveUpdate;
this.onLongPressEnd = onLongPressEnd;
this.onVerticalDragDown = onVerticalDragDown;
this.onVerticalDragStart = onVerticalDragStart;
this.onVerticalDragUpdate = onVerticalDragUpdate;
this.onVerticalDragEnd = onVerticalDragEnd;
this.onVerticalDragCancel = onVerticalDragCancel;
this.onHorizontalDragDown = onHorizontalDragDown;
this.onHorizontalDragStart = onHorizontalDragStart;
this.onHorizontalDragUpdate = onHorizontalDragUpdate;
this.onHorizontalDragEnd = onHorizontalDragEnd;
this.onHorizontalDragCancel = onHorizontalDragCancel;
this.onForcePressEnd = onForcePressEnd;
this.onForcePressPeak = onForcePressPeak;
this.onForcePressStart = onForcePressStart;
this.onForcePressUpdate = onForcePressUpdate;
this.onPanDown = onPanDown;
this.onPanStart = onPanStart;
this.onPanUpdate = onPanUpdate;
this.onPanEnd = onPanEnd;
this.onPanCancel = onPanCancel;
this.onScaleStart = onScaleStart;
this.onScaleUpdate = onScaleUpdate;
this.onScaleEnd = onScaleEnd;
this.behavior = behavior;
this.dragStartBehavior = dragStartBehavior;
}
