fix: add snapTime to section/MIDI item drag, followMargin 0.75 for 75% viewport ahead

This commit is contained in:
2026-07-25 09:54:14 +07:00
parent 373c018025
commit b746f9659b
+5 -4
View File
@@ -10225,7 +10225,7 @@ const App = () => {
const clampedStart = Math.min(rawStart, marginBar);
const newStart = snapTime(clampedStart, snapValueRef.current, bpmRef.current);
const itemPx = newStart * zoom;
const followMargin = Math.round(rect.width * 0.4);
const followMargin = Math.round(rect.width * 0.75);
if (itemPx > scrollLeft + rect.width - followMargin) {
wrapper.scrollLeft = itemPx - rect.width + followMargin;
setCanvasRedrawCount(n => n + 1);
@@ -10389,9 +10389,10 @@ const App = () => {
const beatSec = (60.0 / (parseInt(bpm) || 120));
const secondsPerBar = beatSec * 4;
const marginBar = maxDurationRef.current - secondsPerBar;
const newStart = Math.max(beatSec, Math.min(time - drag.clickOffset, marginBar));
const rawStart = Math.max(beatSec, Math.min(time - drag.clickOffset, marginBar));
const newStart = snapTime(rawStart, snapValueRef.current, bpmRef.current);
const itemPx = newStart * zoom;
const followMargin = Math.round(rect.width * 0.4);
const followMargin = Math.round(rect.width * 0.75);
if (itemPx > scrollLeft + rect.width - followMargin) {
wrapper.scrollLeft = itemPx - rect.width + followMargin;
setCanvasRedrawCount(n => n + 1);
@@ -10488,7 +10489,7 @@ const App = () => {
: { ...t, midiItems: items };
}));
const edgePx = (resize.side === 'left' ? Math.max(0, time) : time) * zoom;
const followMargin = Math.round(rect.width * 0.4);
const followMargin = Math.round(rect.width * 0.75);
if (edgePx > scrollLeft + rect.width - followMargin) {
wrapper.scrollLeft = edgePx - rect.width + followMargin;
setCanvasRedrawCount(n => n + 1);