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add trackpad speed factor

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Signed-off-by: fufesou <shuanglongchen@yeah.net>
This commit is contained in:
fufesou 2023-03-09 18:28:27 +08:00
parent ebbf2f2bba
commit c19e46acdd
1 changed files with 21 additions and 4 deletions
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23
flutter/lib/models/input_model.dart
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@ -45,7 +45,10 @@ class InputModel {
var command = false;
// trackpad
final _trackpadSpeed = 0.01;
var trackpadScrollDistance = Offset.zero;
var _trackpadScrollUnsent = Offset.zero;
var _newScroll = true;
Timer? _flingTimer;
// mouse
@ -331,10 +334,22 @@ class InputModel {
void onPointerPanZoomUpdate(PointerPanZoomUpdateEvent e) {
var delta = e.panDelta;
trackpadScrollDistance += delta;
_trackpadScrollUnsent += (delta * _trackpadSpeed);
final x = _trackpadScrollUnsent.dx.truncate();
final y = _trackpadScrollUnsent.dy.truncate();
_trackpadScrollUnsent -= Offset(_trackpadScrollUnsent.dx - x.toDouble(),
_trackpadScrollUnsent.dy - y.toDouble());
var sendMsg = x != 0 || y != 0;
if (_newScroll) {
sendMsg = true;
_newScroll = false;
}
if (sendMsg) {
bind.sessionSendMouse(
id: id,
msg:
'{"type": "trackpad", "x": "${delta.dx.toInt()}", "y": "${delta.dy.toInt()}"}');
id: id, msg: '{"type": "trackpad", "x": "$x", "y": "$y"}');
}
}
// Simple simulation for fling.
@ -358,6 +373,8 @@ class InputModel {
}
void onPointerPanZoomEnd(PointerPanZoomEndEvent e) {
_newScroll = true;
_trackpadScrollUnsent = Offset.zero;
var x = _signOrZero(trackpadScrollDistance.dx);
var y = _signOrZero(trackpadScrollDistance.dy);
var dx = trackpadScrollDistance.dx.abs() ~/ 40;