From d5bf2314b3ee319585a1b2dc6a75cca04c8474f8 Mon Sep 17 00:00:00 2001
From: Jairo Correa <jn.j41r0@gmail.com>
Date: Sun, 26 Mar 2023 01:45:40 -0300
Subject: [PATCH] Mute nodes and shortcuts in README

---
 README.md          |  7 ++++
 web/scripts/app.js | 91 +++++++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 96 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 4ff03133..8eab7f48 100644
--- a/README.md
+++ b/README.md
@@ -30,6 +30,13 @@ This ui will let you design and execute advanced stable diffusion pipelines usin
 
 Workflow examples can be found on the [Examples page](https://comfyanonymous.github.io/ComfyUI_examples/)
 
+## Shortcuts
+- **Ctrl + C** copy selected nodes
+- **Ctrl + V** paste copied nodes
+- **Ctrl + A** select all nodes
+- **Ctrl + M** mute/unmute selected nodes
+- **Delete** or **Backspace** delete selected nodes
+
 # Installing
 
 ## Windows
diff --git a/web/scripts/app.js b/web/scripts/app.js
index cd7fb5d1..3b1f5450 100644
--- a/web/scripts/app.js
+++ b/web/scripts/app.js
@@ -417,6 +417,59 @@ class ComfyApp {
 		};
 	}
 
+	/**
+	 * Handle keypress
+	 *
+	 * Ctrl + M mute/unmute selected nodes
+	 */
+	#addProcessKeyHandler() {
+		const self = this;
+		const origProcessKey = LGraphCanvas.prototype.processKey;
+		LGraphCanvas.prototype.processKey = function(e) {
+			const res = origProcessKey.apply(this, arguments);
+
+			if (res === false) {
+				return res;
+			}
+
+			if (!this.graph) {
+				return;
+			}
+
+			var block_default = false;
+
+			if (e.target.localName == "input") {
+				return;
+			}
+
+			if (e.type == "keydown") {
+				// Ctrl + M mute/unmute
+				if (e.keyCode == 77 && e.ctrlKey) {
+					if (this.selected_nodes) {
+						for (var i in this.selected_nodes) {
+							if (this.selected_nodes[i].mode === 2) { // never
+								this.selected_nodes[i].mode = 0; // always
+							} else {
+								this.selected_nodes[i].mode = 2; // never
+							}
+						}
+					}
+					block_default = true;
+				}
+			}
+
+			this.graph.change();
+
+			if (block_default) {
+				e.preventDefault();
+				e.stopImmediatePropagation();
+				return false;
+			}
+
+			return res;
+		};
+	}
+
 	/**
 	 * Draws group header bar
 	 */
@@ -465,10 +518,11 @@ class ComfyApp {
 	 * Draws node highlights (executing, drag drop) and progress bar
 	 */
 	#addDrawNodeHandler() {
-		const orig = LGraphCanvas.prototype.drawNodeShape;
+		const origDrawNodeShape = LGraphCanvas.prototype.drawNodeShape;
 		const self = this;
+
 		LGraphCanvas.prototype.drawNodeShape = function (node, ctx, size, fgcolor, bgcolor, selected, mouse_over) {
-			const res = orig.apply(this, arguments);
+			const res = origDrawNodeShape.apply(this, arguments);
 
 			let color = null;
 			if (node.id === +self.runningNodeId) {
@@ -517,6 +571,21 @@ class ComfyApp {
 
 			return res;
 		};
+
+		const origDrawNode = LGraphCanvas.prototype.drawNode;
+		LGraphCanvas.prototype.drawNode = function (node, ctx) {
+			var editor_alpha = this.editor_alpha;
+
+			if (node.mode === 2) { // never
+				this.editor_alpha = 0.4;
+			}
+
+			const res = origDrawNode.apply(this, arguments);
+
+			this.editor_alpha = editor_alpha;
+
+			return res;
+		};
 	}
 
 	/**
@@ -588,6 +657,7 @@ class ComfyApp {
 		document.body.prepend(canvasEl);
 
 		this.#addProcessMouseHandler();
+		this.#addProcessKeyHandler();
 
 		this.graph = new LGraph();
 		const canvas = (this.canvas = new LGraphCanvas(canvasEl, this.graph));
@@ -777,6 +847,11 @@ class ComfyApp {
 				continue;
 			}
 
+			if (node.mode === 2) {
+				// Don't serialize muted nodes
+				continue;
+			}
+
 			const inputs = {};
 			const widgets = node.widgets;
 
@@ -816,6 +891,18 @@ class ComfyApp {
 			};
 		}
 
+		// Remove inputs connected to removed nodes
+
+		for (const o in output) {
+			for (const i in output[o].inputs) {
+				if (Array.isArray(output[o].inputs[i])
+					&& output[o].inputs[i].length === 2
+					&& !output[output[o].inputs[i][0]]) {
+					delete output[o].inputs[i];
+				}
+			}
+		}
+
 		return { workflow, output };
 	}