dragAndDropSource examples in foundation

A Modifier that allows an element it is applied to to be treated like a source for drag and drop operations.

DragAndDropSourceWithColoredDragShadowSample

@Sampled
@Composable
fun DragAndDropSourceWithColoredDragShadowSample(color: Color) {
    Box(
        modifier =
            Modifier.size(56.dp).background(color = color).dragAndDropSource(
                drawDragDecoration = { drawRect(color) }
            ) { _ ->
                color.toDragAndDropTransfer()
            }
    )
}

TextDragAndDropSourceSample

@Sampled
@Composable
fun TextDragAndDropSourceSample(modifier: Modifier) {
    val label = remember { "Drag me" }
    Box(
        modifier =
            modifier
                .dragAndDropSource { _ ->
                    DragAndDropTransferData(
                        clipData = ClipData.newPlainText(label, label),
                        flags = View.DRAG_FLAG_GLOBAL,
                    )
                }
                .border(
                    border =
                        BorderStroke(
                            width = 4.dp,
                            brush = Brush.linearGradient(listOf(Color.Magenta, Color.Magenta)),
                        ),
                    shape = RoundedCornerShape(16.dp),
                )
                .padding(24.dp)
    ) {
        Text(modifier = Modifier.align(Alignment.Center), text = label)
    }
}