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Remove chat drag enter event handler

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This commit is contained in:
Victor Giers
2026-05-06 03:46:34 +02:00
parent c40bdb1223
commit 4cab0caa83
1 changed files with 0 additions and 177 deletions
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177
src/App.jsx
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@@ -1325,183 +1325,6 @@ async function regenerateFromIndex(index, overrideUserText = null) {
setIsAttachmentMenuOpen(false)
}, [activeSessionId, activeSidebarMode, canAttachImages])
// Persist the scrollTop of the session we are LEAVING (on chat change or when leaving the chat view)
useEffect(() => {
const leavingSessionId = activeSessionId;
const leavingMode = activeSidebarMode;
return () => {
if (leavingMode === 'chats' && leavingSessionId) {
const top = typeof scrollTopsRef.current[leavingSessionId] === 'number'
? scrollTopsRef.current[leavingSessionId]
: (chatRef.current ? chatRef.current.scrollTop : 0);
setScrollPositions(prev => {
const updated = { ...prev, [leavingSessionId]: top };
window.electronAPI.updateSettings({ scrollPositions: updated });
return updated;
});
}
};
}, [activeSessionId, activeSidebarMode]);
// Track scroll + whether user left bottom
useEffect(() => {
const chatDiv = chatRef.current;
if (!chatDiv) return;
const handleScroll = () => {
const { scrollTop, scrollHeight, clientHeight } = chatDiv;
const isAtBottom = (scrollHeight - scrollTop - clientHeight) <= BOTTOM_EPSILON;
if (activeSessionId) {
const prevScrollTop = prevScrollTopsRef.current[activeSessionId];
const scrolledUp = typeof prevScrollTop === 'number' && scrollTop < prevScrollTop;
scrollTopsRef.current[activeSessionId] = scrollTop;
if (isAtBottom) {
setUserScrolledUp(activeSessionId, false); // User is at bottom, enable autoscroll
} else if (scrolledUp) {
setUserScrolledUp(activeSessionId, true); // User scrolled up, disable autoscroll
}
// If user scrolled down but not to bottom, maintain current userScrolledUp state
prevScrollTopsRef.current[activeSessionId] = scrollTop;
}
};
chatDiv.addEventListener('scroll', handleScroll);
return () => chatDiv.removeEventListener('scroll', handleScroll);
}, [activeSessionId, setUserScrolledUp]);
// Auto-hide the tip if user returns to bottom in the active chat
useEffect(() => {
const sid = activeSessionId;
if (!sid) return;
if (userScrolledUpState[sid] === false) {
setNewMsgTip(prev => {
if (!(sid in prev)) return prev;
const rest = { ...prev };
delete rest[sid];
return rest;
});
}
}, [activeSessionId, userScrolledUpState]);
// --- Robust restoration: do it before paint, exactly once per open ---
useLayoutEffect(() => {
if (activeSidebarMode !== 'chats' || !activeSessionId) return;
const div = chatRef.current;
if (!div) return;
restoredForRef.current = null;
const applyRestore = () => {
if (restoredForRef.current === activeSessionId) return;
const liveSaved = typeof scrollTopsRef.current[activeSessionId] === 'number'
? scrollTopsRef.current[activeSessionId]
: undefined;
const saved = typeof liveSaved === 'number'
? liveSaved
: scrollPositions[activeSessionId];
if (typeof saved === 'number') {
div.scrollTop = saved;
restoredForRef.current = activeSessionId;
return;
}
if (messages.length > 0) {
// default: bottom when no saved position
div.scrollTop = div.scrollHeight;
restoredForRef.current = activeSessionId;
}
};
// Run immediately (pre-paint) and also schedule a fallback rAF
applyRestore();
const r0 = requestAnimationFrame(applyRestore);
// If content size/DOM changes after first paint, apply once
const onDomChange = () => {
if (restoredForRef.current !== activeSessionId) {
requestAnimationFrame(applyRestore);
}
};
const mo = new MutationObserver(onDomChange);
mo.observe(div, { childList: true, subtree: true });
const ro = new ResizeObserver(onDomChange);
ro.observe(div);
return () => {
cancelAnimationFrame(r0);
mo.disconnect();
ro.disconnect();
};
}, [activeSessionId, activeSidebarMode, messages.length, scrollPositions]);
// If there is no saved scroll and content arrives later (e.g., on first app load),
// default to bottom exactly once for this open chat.
useEffect(() => {
if (activeSidebarMode !== 'chats' || !activeSessionId) return;
if (restoredForRef.current === activeSessionId) return; // already applied
const liveSaved = typeof scrollTopsRef.current[activeSessionId] === 'number'
? scrollTopsRef.current[activeSessionId]
: undefined;
const savedScrollTop = typeof liveSaved === 'number'
? liveSaved
: scrollPositions[activeSessionId];
// Only when there is no saved position and we now have content
if (typeof savedScrollTop !== 'number' && messages.length > 0) {
requestAnimationFrame(() => {
const div = chatRef.current;
if (!div) return;
div.scrollTop = div.scrollHeight;
restoredForRef.current = activeSessionId;
});
}
}, [messages.length, activeSessionId, activeSidebarMode, scrollPositions]);
// Session-aware scroll helpers
const scrollToBottom = (behavior = 'smooth', sessionId = null) => {
const chatDiv = chatRef.current;
if (!chatDiv) return;
const target = sessionId ?? activeSessionIdRef.current;
if (activeSessionIdRef.current !== target) return;
chatDiv.scrollTo({ top: chatDiv.scrollHeight, behavior });
setUserScrolledUp(target, false);
};
const scrollMessageToTop = (msgId, behavior = 'auto', sessionId = null) => {
const chatDiv = chatRef.current;
if (!chatDiv) return;
const target = sessionId ?? activeSessionIdRef.current;
if (activeSessionIdRef.current !== target) return;
const el = document.getElementById(msgId);
if (el) {
const top = Math.max(0, el.offsetTop - TOP_ALIGN_OFFSET);
chatDiv.scrollTo({ top, behavior });
}
};
// Handler for new message tip click
const handleNewMsgTipClick = () => {
const sid = activeSessionIdRef.current;
const msgId = newMsgTip[sid];
if (msgId) {
scrollMessageToTop(msgId, 'smooth', sid);
setNewMsgTip(prev => {
const { [sid]: _omit, ...rest } = prev;
return rest;
});
}
};
const handleChatDragEnter = (event) => {
if (activeSidebarMode !== 'chats' || !hasFilePayload(event)) return
event.preventDefault()