TextFieldGestureModifiers.kt
/*
* Copyright 2021 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
@file:Suppress("DEPRECATION") // gestures
package androidx.compose.foundation.text
import androidx.compose.foundation.InteractionState
import androidx.compose.foundation.focusable
import androidx.compose.ui.Modifier
import androidx.compose.ui.focus.FocusRequester
import androidx.compose.ui.focus.FocusState
import androidx.compose.ui.focus.focusRequester
import androidx.compose.ui.focus.onFocusChanged
import androidx.compose.ui.geometry.Offset
import androidx.compose.ui.gesture.DragObserver
import androidx.compose.ui.gesture.LongPressDragObserver
import androidx.compose.ui.gesture.dragGestureFilter
import androidx.compose.ui.gesture.longPressDragGestureFilter
import androidx.compose.ui.gesture.tapGestureFilter
// Touch selection
internal fun Modifier.longPressDragGestureFilter(
observer: LongPressDragObserver,
enabled: Boolean
) = if (enabled) this.then(longPressDragGestureFilter(observer)) else this
internal fun Modifier.focusRequestTapModifier(onTap: (Offset) -> Unit, enabled: Boolean) =
if (enabled) this.tapGestureFilter(onTap) else this
// Focus modifiers
internal fun Modifier.textFieldFocusModifier(
enabled: Boolean,
focusRequester: FocusRequester,
interactionState: InteractionState?,
onFocusChanged: (FocusState) -> Unit
) = this
.focusRequester(focusRequester)
.onFocusChanged(onFocusChanged)
.focusable(interactionState = interactionState, enabled = enabled)
// Mouse
internal fun Modifier.mouseDragGestureFilter(
dragObserver: DragObserver,
enabled: Boolean
) = if (enabled) this.dragGestureFilter(dragObserver, startDragImmediately = true) else this