INNER CODE UNIT · Dart

mScrollX

OpenFlutter/k_chart · lib/k_chart_widget.dart:212

            mScrollX = ((details.primaryDelta ?? 0) / mScaleX + mScrollX)
                .clamp(0.0, ChartPainter.maxScrollX)
                .toDouble();
            notifyChanged();
          },
          onHorizontalDragEnd: (DragEndDetails details) {
            var velocity = details.velocity.pixelsPerSecond.dx;
            _onFling(velocity);
          },
          onHorizontalDragCancel: () => _onDragChanged(false),
          onScaleStart: (_) {
            isScale = true;
          },
          onScaleUpdate: (details) {
            if (isDrag || isLongPress) return;
            mScaleX = (_lastScale * details.scale).clamp(0.5, 2.2);
            notifyChanged();
          },

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