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feat: flutter优化滑动不跟手

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tongtongstudio
2026-07-14 20:55:30 +08:00
parent 5cc47f9fb3
commit 3e46e1e4f3
4 changed files with 62 additions and 10 deletions
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36
webrtc_controller_flutter/lib/widgets/remote_touch_view.dart
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@@ -27,6 +27,7 @@ class RemoteTouchView extends StatefulWidget {
) onSwipe;
final void Function(int keyCode, int action) onKey;
final void Function(double x, double y) onLongPress;
final void Function(int action, double x, double y) onMotionEvent;
const RemoteTouchView({
super.key,
@@ -34,6 +35,7 @@ class RemoteTouchView extends StatefulWidget {
required this.onSwipe,
required this.onKey,
required this.onLongPress,
required this.onMotionEvent,
});
@override
@@ -77,9 +79,11 @@ class _RemoteTouchViewState extends State<RemoteTouchView> {
// 捕获物理按键（外接键盘 / 遥控器等）。
onKeyEvent: (node, event) {
if (event is KeyDownEvent) {
debugPrint('RemoteTouchView: KeyDown - ${event.logicalKey.debugName} (${event.logicalKey.keyId})');
widget.onKey(event.logicalKey.keyId, 0);
return KeyEventResult.handled;
} else if (event is KeyUpEvent) {
debugPrint('RemoteTouchView: KeyUp - ${event.logicalKey.debugName} (${event.logicalKey.keyId})');
widget.onKey(event.logicalKey.keyId, 1);
return KeyEventResult.handled;
}
@@ -93,17 +97,37 @@ class _RemoteTouchViewState extends State<RemoteTouchView> {
_startPosition = event.localPosition;
_currentPosition = event.localPosition;
_startTime = DateTime.now();
final size = context.size;
if (size != null) {
final rx = _toRelativeX(event.localPosition, size);
final ry = _toRelativeY(event.localPosition, size);
debugPrint('RemoteTouchView: PointerDown - relX: ${rx.toStringAsFixed(3)}, relY: ${ry.toStringAsFixed(3)}');
widget.onMotionEvent(0, rx, ry);
}
_longPressTimer = Timer(_longPressTimeout, () {
final size = context.size;
if (_currentPosition == null || size == null) return;
_isLongPressed = true;
final x = _toRelativeX(_currentPosition!, size);
final y = _toRelativeY(_currentPosition!, size);
debugPrint('RemoteTouchView: LongPress - relX: ${x.toStringAsFixed(3)}, relY: ${y.toStringAsFixed(3)}');
widget.onLongPress(x, y);
});
},
onPointerMove: (event) {
_currentPosition = event.localPosition;
final size = context.size;
if (size != null) {
final rx = _toRelativeX(event.localPosition, size);
final ry = _toRelativeY(event.localPosition, size);
// Move 事件较多，可以考虑控制日志频率，这里直接打印
debugPrint('RemoteTouchView: PointerMove - relX: ${rx.toStringAsFixed(3)}, relY: ${ry.toStringAsFixed(3)}');
widget.onMotionEvent(2, rx, ry);
}
if (_longPressTimer != null && _startPosition != null) {
final dx = (event.localPosition.dx - _startPosition!.dx).abs();
final dy = (event.localPosition.dy - _startPosition!.dy).abs();
@@ -114,6 +138,15 @@ class _RemoteTouchViewState extends State<RemoteTouchView> {
},
onPointerUp: (event) {
_cancelLongPress();
final size = context.size;
if (size != null) {
final rx = _toRelativeX(event.localPosition, size);
final ry = _toRelativeY(event.localPosition, size);
debugPrint('RemoteTouchView: PointerUp - relX: ${rx.toStringAsFixed(3)}, relY: ${ry.toStringAsFixed(3)}');
widget.onMotionEvent(1, rx, ry);
}
// 长按已触发则不再派发单击 / 滑动事件（对应 Android 端 isLongPressed 逻辑）。
if (_isLongPressed) {
_startPosition = null;
@@ -121,7 +154,6 @@ class _RemoteTouchViewState extends State<RemoteTouchView> {
_startTime = null;
return;
}
final size = context.size;
if (_startPosition == null || size == null || _startTime == null) {
return;
}
@@ -135,8 +167,10 @@ class _RemoteTouchViewState extends State<RemoteTouchView> {
final dy = (endY - startY).abs();
if (duration < 200 && dx < 0.02 && dy < 0.02) {
debugPrint('RemoteTouchView: Detected Touch - x: ${startX.toStringAsFixed(3)}, y: ${startY.toStringAsFixed(3)}');
widget.onTouch(startX, startY);
} else {
debugPrint('RemoteTouchView: Detected Swipe - from (${startX.toStringAsFixed(3)}, ${startY.toStringAsFixed(3)}) to (${endX.toStringAsFixed(3)}, ${endY.toStringAsFixed(3)}), duration: ${max(duration, 1)}ms');
widget.onSwipe(startX, startY, endX, endY, max(duration, 1));
}
_startPosition = null;