feat(#11): customizable icon

README.md

@@ -1,6 +1,6 @@
 # Obsidian Copy Inline Code Plugin
 
-This plugin for [Obsidian](https://obsidian.md) adds an icon inside each inline code, which when clicked, copies the content of the code into the clipboard. See screenshot of the functionality below.
+This plugin for [Obsidian](https://obsidian.md) adds a customizable icon inside each inline code, which when clicked, copies the content of the code into the clipboard. See screenshot of the functionality below.
 
 ![Screenshot of the copy inline code plugin](plugin-screenshot.png)
 

src/copy-code-widget.ts

@@ -1,15 +1,31 @@
 import { EditorView, WidgetType } from "@codemirror/view";
-import { Notice } from "obsidian";
+import { Notice, getIcon } from "obsidian";
 
 export class CopyWidget extends WidgetType {
   showOnHover: boolean;
-  constructor(showOnHover: boolean) { 
+  iconName: string;
+  useLegacyIcon: boolean;
+  constructor(showOnHover: boolean, iconName: string, useLegacyIcon: boolean) { 
     super();
     this.showOnHover = showOnHover;
+    this.iconName = iconName;
+    this.useLegacyIcon = useLegacyIcon;
   }
 
   toDOM(view: EditorView): HTMLElement {
-    const icon = createSpan({cls:  "copy-to-clipboard-icon", text: "\xa0📋"})
+    const icon = createSpan({cls:  "copy-to-clipboard-icon"});
+    
+    if (this.useLegacyIcon) {
+      icon.setText("\xa0📋");
+    } else {
+      const lucideIcon = getIcon(this.iconName);
+      if (lucideIcon) {
+        icon.appendChild(lucideIcon);
+      } else {
+        icon.setText("\xa0📋");
+      }
+    }
+    
     icon.toggleClass("show-on-hover", this.showOnHover)
     icon.onclick = (event) => {
         const element = (event.target as HTMLElement)

src/copy-inline-code-view-plugin.ts

@@ -15,9 +15,19 @@ class CopyInlineCodeViewPlugin implements PluginValue {
 	decorations: DecorationSet;
 	showOnHover: boolean;
 	filters: RegexFilters;
-	constructor(view: EditorView, showOnHover: boolean, filters: RegexFilters) {
+	iconName: string;
+	useLegacyIcon: boolean;
+	constructor(
+		view: EditorView,
+		showOnHover: boolean,
+		filters: RegexFilters,
+		iconName: string,
+		useLegacyIcon: boolean
+	) {
 		this.showOnHover = showOnHover;
 		this.filters = filters;
+		this.iconName = iconName;
+		this.useLegacyIcon = useLegacyIcon;
 
 		this.decorations = this.buildDecorations(view);
 	}
@@ -33,7 +43,9 @@ class CopyInlineCodeViewPlugin implements PluginValue {
 	buildDecorations(view: EditorView): DecorationSet {
 		const builder = new RangeSetBuilder<Decoration>();
 		const showOnHover = this.showOnHover;
-    const filters = this.filters;
+		const filters = this.filters;
+		const iconName = this.iconName;
+		const useLegacyIcon = this.useLegacyIcon;
 
 		for (const { from, to } of view.visibleRanges) {
 			syntaxTree(view.state).iterate({
@@ -52,7 +64,11 @@ class CopyInlineCodeViewPlugin implements PluginValue {
 							node.to + 1,
 							node.to + 1,
 							Decoration.widget({
-								widget: new CopyWidget(showOnHover),
+								widget: new CopyWidget(
+									showOnHover,
+									iconName,
+									useLegacyIcon
+								),
 							})
 						);
 					}
@@ -66,11 +82,19 @@ class CopyInlineCodeViewPlugin implements PluginValue {
 
 export const createCopyPlugin = (
 	showOnHover: boolean,
-	filters: RegexFilters
+	filters: RegexFilters,
+	iconName: string,
+	useLegacyIcon: boolean
 ) => {
 	return ViewPlugin.define(
 		(view: EditorView) =>
-			new CopyInlineCodeViewPlugin(view, showOnHover, filters),
+			new CopyInlineCodeViewPlugin(
+				view,
+				showOnHover,
+				filters,
+				iconName,
+				useLegacyIcon
+			),
 		{
 			decorations: (p) => p.decorations,
 		}

src/main.ts

@@ -1,16 +1,20 @@
 import { CopyInlineCodePluginTab } from "./settings";
-import { Notice, Plugin } from "obsidian";
+import { Notice, Plugin, getIcon } from "obsidian";
 import { createCopyPlugin } from "./copy-inline-code-view-plugin";
 import { RegexFilters, shouldExclude } from "./regex-exclude";
 
 interface CopyInlineCodePluginSettings {
 	showOnHover: boolean;
 	regexFilters: RegexFilters;
+	iconName: string;
+	useLegacyIcon: boolean;
 }
 
 const DEFAULT_SETTINGS: Partial<CopyInlineCodePluginSettings> = {
 	showOnHover: false,
 	regexFilters: [],
+	iconName: "lucide-copy",
+	useLegacyIcon: false,
 };
 
 export default class CopyInlineCodePlugin extends Plugin {
@@ -38,7 +42,9 @@ export default class CopyInlineCodePlugin extends Plugin {
 		this.registerEditorExtension([
 			createCopyPlugin(
 				this.settings.showOnHover,
-				this.settings.regexFilters
+				this.settings.regexFilters,
+				this.settings.iconName,
+				this.settings.useLegacyIcon
 			),
 		]);
 		this.registerMarkdownPostProcessor((element, context) => {
@@ -59,9 +65,20 @@ export default class CopyInlineCodePlugin extends Plugin {
 				}
 
 				const icon = createSpan({
-					cls: "copy-to-clipboard-icon",
-					text: "\xa0📋",
+					cls: "copy-to-clipboard-icon icon-margin-left",
 				});
+
+				if (this.settings.useLegacyIcon) {
+					icon.setText("\xa0📋");
+				} else {
+					const lucideIcon = getIcon(this.settings.iconName);
+					if (lucideIcon) {
+						icon.appendChild(lucideIcon);
+					} else {
+						icon.setText("\xa0📋");
+					}
+				}
+
 				icon.toggleClass("show-on-hover", this.settings.showOnHover);
 
 				icon.onclick = (event) => {

src/settings.ts

@@ -1,5 +1,5 @@
 import CopyInlineCodePlugin from "./main";
-import { App, PluginSettingTab, Setting } from "obsidian";
+import { App, PluginSettingTab, Setting, getIconIds, getIcon } from "obsidian";
 
 export class CopyInlineCodePluginTab extends PluginSettingTab {
 	plugin: CopyInlineCodePlugin;
@@ -15,7 +15,7 @@ export class CopyInlineCodePluginTab extends PluginSettingTab {
 		containerEl.empty();
 		containerEl.createEl("p", {
 			cls: "tasks-setting-important",
-			text: "Changing any settings requires a restart of obsidian.",
+			text: "Changing any settings requires a restart of obsidian or use of the 'Reload app without saving' command.",
 		});
 
 		new Setting(containerEl)
@@ -46,6 +46,122 @@ export class CopyInlineCodePluginTab extends PluginSettingTab {
 				this.renderRegexList(regexListContainer);
 			});
 		});
+
+		// Icon selection setting
+		containerEl.createEl("h3", { text: "Icon Settings" });
+
+		// Only show Lucide icon settings if legacy mode is disabled
+		if (!this.plugin.settings.useLegacyIcon) {
+			const iconDesc = containerEl.createDiv();
+			iconDesc.createEl("p", {
+				text: "Choose a Lucide icon for the copy button. You can browse available icons at: ",
+			});
+			const iconLink = iconDesc.createEl("a", {
+				text: "https://lucide.dev/icons/",
+				href: "https://lucide.dev/icons/",
+			});
+			iconLink.setAttribute("target", "_blank");
+
+			iconDesc.createEl("p", {
+				text: "Copy the icon name (e.g., 'copy', 'clipboard', ...) and paste it below.",
+			});
+
+			const iconSetting = new Setting(containerEl)
+				.setName("Icon name")
+				.setDesc(
+					"Lucide icon name"
+				);
+
+			// Create a container for the input and preview
+			const inputContainer = iconSetting.controlEl.createDiv({
+				cls: "icon-input-container",
+			});
+
+			// Create preview element
+			const iconPreview = inputContainer.createSpan();
+
+			// Function to update the icon preview
+			const updateIconPreview = (iconName: string) => {
+				iconPreview.empty();
+
+				let lucideIcon: SVGSVGElement | null = null;
+				let isInvalid = false;
+
+				if (!iconName) {
+					isInvalid = true;
+					lucideIcon = getIcon("lucide-x");
+				} else {
+					lucideIcon = getIcon(iconName);
+					if (!lucideIcon) {
+						isInvalid = true;
+						lucideIcon = getIcon("lucide-x");
+					}
+				}
+
+				if (lucideIcon) {
+					lucideIcon.classList.add("preview-icon");
+					if (isInvalid) {
+						lucideIcon.classList.add("invalid-preview-icon");
+					}
+					iconPreview.appendChild(lucideIcon);
+				}
+			};
+
+			// Create text input
+			const textInput = inputContainer.createEl("input", {
+				type: "text",
+				cls: "text-input",
+			});
+			textInput.style.flex = "1";
+			textInput.placeholder = "copy";
+
+			// Get the base icon name (without lucide- prefix) for display
+			const baseIconName = this.plugin.settings.iconName.startsWith(
+				"lucide-"
+			)
+				? this.plugin.settings.iconName.substring(7)
+				: this.plugin.settings.iconName;
+
+			textInput.value = baseIconName;
+
+			// Initialize preview with current icon
+			updateIconPreview(this.plugin.settings.iconName);
+
+			textInput.addEventListener("input", async (event) => {
+				const target = event.target as HTMLInputElement;
+				const value = target.value;
+				const trimmedValue = `lucide-${value.trim()}`;
+				const availableIcons = getIconIds();
+
+				// Update preview in real-time
+				updateIconPreview(trimmedValue);
+
+				// Validate icon exists
+				if (trimmedValue && !availableIcons.includes(trimmedValue)) {
+					textInput.classList.add("regex-input-error");
+					return;
+				}
+
+				textInput.classList.remove("regex-input-error");
+				this.plugin.settings.iconName = trimmedValue;
+				await this.plugin.saveSettings();
+			});
+		}
+
+		new Setting(containerEl)
+			.setName("Use legacy icon")
+			.setDesc(
+				"Use the original clipboard emoji (📋) instead of Lucide icons"
+			)
+			.addToggle((component) => {
+				component
+					.setValue(this.plugin.settings.useLegacyIcon)
+					.onChange(async (value) => {
+						this.plugin.settings.useLegacyIcon = value;
+						await this.plugin.saveSettings();
+						this.display();
+					});
+			});
 	}
 
 	private renderRegexList(container: HTMLElement) {

styles.css

@@ -2,6 +2,15 @@
 	cursor: pointer;
 }
 
+.copy-to-clipboard-icon svg {
+	vertical-align: text-bottom;
+	pointer-events: none;
+}
+
+.icon-margin-left {
+	margin-left: 0.25em;
+}
+
 .show-on-hover {
 	cursor: pointer;
 	opacity: 0;
@@ -24,3 +33,21 @@ code:hover .show-on-hover {
 .regex-input-error {
 	border-color: var(--text-error) !important;
 }
+
+.icon-input-container {
+	width: 100%;
+	display: flex;
+	align-items: center;
+	gap: 10px;
+}
+
+.preview-icon {
+	color: var(--text-normal);
+	display: flex;
+	align-items: center;
+	justify-content: center;
+}
+
+.invalid-preview-icon {
+	color: var(--text-error) !important;
+}