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Replace wheel event implementation #10

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Replace wheel event implementation #10

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e854169
Listen for wheel event instead of mousewheel event.
deciare Aug 3, 2024
c940ed5
Compatibility with Comfy-Org/ComfyUI_frontend
deciare Aug 4, 2024
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2 changes: 1 addition & 1 deletion README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,7 @@ fixes https://github.com/comfyanonymous/ComfyUI/issues/2059

### Installation

1. Put this folder into ComfyUI/custom_nodes/TinkerBot-tech-for-ComfyUI-Touchpad
1. Put this folder into ComfyUI/web/extensions/TinkerBot-tech-for-ComfyUI-Touchpad
2. Restart ComfyUI
3. Reload the UI
4. Enjoy!
24 changes: 11 additions & 13 deletions web/fix touchpad pan and zoom.js
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@@ -1,21 +1,19 @@
// @ts-check
/** @type {any} */
const { self } = window
import { app } from "../../../scripts/app.js";

/** @type {import("../../../web/types/litegraph")} */
const { LGraphCanvas } = self

// @ts-ignore
import * as ComfyUI_module from "../../../scripts/app.js"
/** @type { import("../../../web/scripts/app.js") } */
const { app } = ComfyUI_module

//////////////////////////////
app.registerExtension({
name: "ComfyUI-Mac-Trackpad",
async setup(app2) {
app2.canvas.ds.element.removeEventListener("mousewheel", app2.canvas.ds._binded_mouse_callback);
app2.canvas.ds.element.removeEventListener("wheel", app2.canvas.ds._binded_mouse_callback);
app2.canvas.ds.element.addEventListener("wheel", processWheel.bind(app2.canvas), false);
}
});

/**
* Smooth scrolling for touchpad
*/
LGraphCanvas.prototype.processMouseWheel = function (/** @type {WheelEvent}*/ event) {
function processWheel(/** @type {WheelEvent}*/ event) {
if (!this.graph || !this.allow_dragcanvas) return

const { clientX: x, clientY: y } = event
Expand All @@ -40,4 +38,4 @@ LGraphCanvas.prototype.processMouseWheel = function (/** @type {WheelEvent}*/ ev

event.preventDefault()
return false // prevent default
}
}