infinite_lazy_grid
Code Issues

focus api improvements

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This commit is contained in:
ruinivist
2025-07-26 23:18:22 +00:00
parent 307dead2c4
commit 12137ba4dd
1 changed files with 6 additions and 5 deletions
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lib/core/controller/controller.dart
+6 -5
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@@ -202,16 +202,16 @@ class LazyCanvasController with ChangeNotifier {
// ==================== Centering & Focus Functions ==================== // ==================== Centering & Focus Functions ====================
/// Center the canvas so that the given screen-space offset is at the center of the viewport. /// Center the canvas so that the given screen-space offset is at the center of the viewport.
void centerOnScreenOffset(Offset ssOffset, {bool animate = true}) { void centerOnScreenOffset(Offset ssOffset, {Duration? duration, bool animate = true}) {
centerOnGridOffset(ssToGs(ssOffset, _gsTopLeftOffset, _scale), animate: animate); centerOnGridOffset(ssToGs(ssOffset, _gsTopLeftOffset, _scale), animate: animate);
} }
/// Center the canvas so that the given grid-space offset is at the center of the viewport. /// Center the canvas so that the given grid-space offset is at the center of the viewport.
void centerOnGridOffset(Offset gsOffset, {bool animate = true}) { void centerOnGridOffset(Offset gsOffset, {Duration? duration, bool animate = true}) {
// if 2x scale you need to adjust lesser // if 2x scale you need to adjust lesser
final newGsTopLeft = gsOffset + (canvasSize * (2 * scale)).toOffset(); final newGsTopLeft = gsOffset + (canvasSize * (2 * scale)).toOffset();
if (animate) { if (animate) {
animateToOffsetAndScale(offset: newGsTopLeft, scale: _scale); animateToOffsetAndScale(offset: newGsTopLeft, duration: duration, scale: _scale);
} else { } else {
_gsTopLeftOffset = newGsTopLeft; _gsTopLeftOffset = newGsTopLeft;
notifyListeners(); notifyListeners();
@@ -227,6 +227,7 @@ class LazyCanvasController with ChangeNotifier {
ScalingMode scalingMode = ScalingMode.keepScale, ScalingMode scalingMode = ScalingMode.keepScale,
bool animate = true, bool animate = true,
double preferredHorizontalMargin = 16, double preferredHorizontalMargin = 16,
Duration? duration,
Size? childSize, Size? childSize,
forceRedraw = false, forceRedraw = false,
}) { }) {
@@ -269,7 +270,7 @@ class LazyCanvasController with ChangeNotifier {
newGsTopLeft = childInfo.gsPosition - marginOffset; newGsTopLeft = childInfo.gsPosition - marginOffset;
if (animate) { if (animate) {
animateToOffsetAndScale(offset: newGsTopLeft, scale: newScale); // anim will notifyListeners animateToOffsetAndScale(offset: newGsTopLeft, duration: duration, scale: newScale);
} else { } else {
_gsTopLeftOffset = newGsTopLeft; _gsTopLeftOffset = newGsTopLeft;
_scale = newScale; _scale = newScale;
@@ -283,7 +284,7 @@ class LazyCanvasController with ChangeNotifier {
Future<void> animateToOffsetAndScale({ Future<void> animateToOffsetAndScale({
required Offset offset, required Offset offset,
required double scale, required double scale,
Duration duration = const Duration(milliseconds: 300), Duration? duration = const Duration(milliseconds: 300),
Curve curve = Curves.easeInOut, Curve curve = Curves.easeInOut,
}) async { }) async {
final anim = AnimationController(vsync: _ticker!, duration: duration); final anim = AnimationController(vsync: _ticker!, duration: duration);