fix(问题修复): 修复字体框闪动及换字体报错

assets/webui/ofdgo.js

@@ -4927,7 +4927,8 @@ function updateTextFonts(item, refresh = false, preserve = false) {
 					embedded: !rich.imports.has(font) }), richKey: font });
 			}
 			fontPicker.setFonts(state.textFonts, id === undefined ? null : state.textFonts.find(font => font.richKey === id), preserve);
-			el.textFont.placeholder = id === undefined ? "混合" : "";
+			const placeholder = id === undefined ? "混合" : "";
+			if (el.textFont.placeholder !== placeholder) el.textFont.placeholder = placeholder;
 		}
 		return;
 	}
@@ -4944,7 +4945,8 @@ function updateTextFonts(item, refresh = false, preserve = false) {
 		}
 		const mixed = (item?.items || item?.richText) && !id;
 		fontPicker.setFonts(state.textFonts, mixed ? null : selected || (state.textDefaults.fontChoice === null ? null : state.textFonts[0]), preserve);
-		el.textFont.placeholder = mixed ? "混合" : "";
+		const placeholder = mixed ? "混合" : "";
+		if (el.textFont.placeholder !== placeholder) el.textFont.placeholder = placeholder;
 		if (!id && !item?.items && !item?.richText) state.textDefaults.fontChoice = state.textFonts[Number(fontPicker.value)] || (state.textDefaults.fontChoice === null ? null : undefined);
 	}
 }

assets/webui/ofdgo_font.js

@@ -57,8 +57,9 @@ export class FontPicker {
 	}
 
 	setDisabled(disabled) {
-		this.input.disabled = this.toggle.disabled = disabled;
-		if (disabled) this.close();
+		if (this.input.disabled !== disabled) this.input.disabled = disabled;
+		if (this.toggle.disabled !== disabled) this.toggle.disabled = disabled;
+		if (disabled && this.open) this.close();
 	}
 
 	restore() {
@@ -68,8 +69,9 @@ export class FontPicker {
 			this.input.value = value;
 			if (document.activeElement === this.input) this.input.select();
 		}
-		this.input.scrollLeft = 0;
-		this.input.title = font ? [this.input.value, this.sourceLabel(font)].filter(Boolean).join(" · ") : "";
+		if (this.input.scrollLeft) this.input.scrollLeft = 0;
+		const title = font ? [this.input.value, this.sourceLabel(font)].filter(Boolean).join(" · ") : "";
+		if (this.input.title !== title) this.input.title = title;
 	}
 
 	sourceLabel(font) {
@@ -307,11 +309,12 @@ export class FontManager {
 	async queryLocal() {
 		try {
 			const available = this.host ? await this.host.fonts() : await window.queryLocalFonts();
-			this.catalog = available;
+			this.catalog = this.host ? available : available.map(font => ({ family: font.family, fullName: font.fullName,
+				postscriptName: font.postscriptName, style: font.style, blob: () => font.blob() }));
 			this.catalogLoaded = true;
 			this.permission = "granted";
 			this.onPermissionChange();
-			return available;
+			return this.catalog;
 		} catch (err) {
 			if (err && err.name === "NotAllowedError") {
 				this.permission = "denied";