增加K线

web/charts.js

@@ -1,4 +1,4 @@
-/** 多周期 K 线 · SQLite 后端 + localStorage · 弹窗全屏 Lightweight Charts */
+/** 多周期 K 线 · SQLite 后端 + localStorage · 弹窗大图 Lightweight Charts */
 
 const CHART_INTERVALS = ["5m", "15m", "30m", "1h", "4h", "1d", "1w"];
 const INTERVAL_LIMITS = {
@@ -30,6 +30,8 @@ const COLORS = {
 };
 
 const MINI_SIZE = { w: 380, h: 100 };
+/** 弹窗图表最小尺寸；实际按视口放大（带鱼屏可接近全宽） */
+const MODAL_CHART_MIN = { w: 1280, h: 560 };
 const DEFAULT_MINI_INTERVAL = "1d";
 
 let chartModalSymbol = "";
@@ -47,15 +49,12 @@ function limitForInterval(interval) {
   return INTERVAL_LIMITS[interval] || 500;
 }
 
-function modalSize() {
-  const fs = document.fullscreenElement;
-  if (fs) {
-    return {
-      w: Math.max(800, window.innerWidth - 48),
-      h: Math.max(480, window.innerHeight - 160),
-    };
-  }
-  return { w: 1280, h: 680 };
+function modalChartSize() {
+  const padX = 32;
+  const chromeY = 150;
+  const w = Math.max(MODAL_CHART_MIN.w, window.innerWidth - padX * 2);
+  const h = Math.max(MODAL_CHART_MIN.h, window.innerHeight - chromeY);
+  return { w, h };
 }
 
 function loadKlineFromLS(symbol, interval) {
@@ -171,7 +170,7 @@ function drawCandlestickChart(canvas, candles, options = {}) {
   if (!canvas || !candles.length) return;
 
   const large = options.large === true;
-  const size = large ? modalSize() : MINI_SIZE;
+  const size = large ? modalChartSize() : MINI_SIZE;
   const volRatio = large ? 0.22 : 0.32;
   const pad = large
     ? { t: 16, r: 16, b: 28, l: 56 }
@@ -298,7 +297,7 @@ async function loadMiniChart(box) {
     drawCandlestickChart(canvas, candles, { large: false });
     box.dataset.loaded = "1";
     if (status) status.textContent = `${candles.length}日·${sourceLabel(source)}`;
-    box.title = `${symbol} 日K ${candles.length}根 (${sourceLabel(source)})，点击全屏`;
+    box.title = `${symbol} 日K ${candles.length}根 (${sourceLabel(source)})，点击查看大图`;
   } catch (e) {
     if (status) status.textContent = "—";
     box.title = `${symbol}: ${e.message}`;
@@ -328,7 +327,7 @@ function ensureLwcChart(container) {
   }
 
   destroyLwcChart();
-  const { w, h } = modalSize();
+  const { w, h } = modalChartSize();
   container.style.width = `${w}px`;
   container.style.height = `${h}px`;
 
@@ -407,7 +406,7 @@ function updateModalMeta(candles, source, interval) {
     title.textContent = `${chartModalSymbol} · ${interval.toUpperCase()} K线`;
   }
   if (hint) {
-    hint.textContent = `${candles.length} 根 · ${sourceLabel(source)} · 滚轮缩放 · 拖拽平移 · 十字线 · Esc 退出`;
+    hint.textContent = `${candles.length} 根 · ${sourceLabel(source)} · 滚轮缩放 · 拖拽平移 · 十字线 · Esc 或点击遮罩关闭`;
   }
 }
 
@@ -439,9 +438,6 @@ function closeChartModal() {
   modal.classList.add("hidden");
   destroyLwcChart();
   chartModalSymbol = "";
-  if (document.fullscreenElement) {
-    document.exitFullscreen?.().catch(() => {});
-  }
 }
 
 async function openChartModal(symbol) {
@@ -465,12 +461,6 @@ async function openChartModal(symbol) {
   if (container) container.innerHTML = "";
 
   await loadModalChart(DEFAULT_MINI_INTERVAL);
-
-  const inner = modal.querySelector(".chart-modal-inner");
-  const req = inner.requestFullscreen || inner.webkitRequestFullscreen;
-  if (req) {
-    req.call(inner).catch(() => {});
-  }
 }
 
 function setupChartModal() {
@@ -514,14 +504,14 @@ function setupChartModal() {
     document.addEventListener("keydown", (e) => {
       if (e.key === "Escape") closeChartModal();
     });
-    document.addEventListener("fullscreenchange", () => {
+    window.addEventListener("resize", () => {
       if (!chartModalSymbol || !lwcChart) return;
       const container = document.getElementById("chart-modal-container");
-      if (!container) return;
-      const rect = container.getBoundingClientRect();
-      if (rect.width > 0 && rect.height > 0) {
-        lwcChart.applyOptions({ width: rect.width, height: rect.height });
-      }
+      if (!container?.isConnected) return;
+      const { w, h } = modalChartSize();
+      container.style.width = `${w}px`;
+      container.style.height = `${h}px`;
+      lwcChart.applyOptions({ width: w, height: h });
     });
   }