I'm working on a little script that makes an object (div or img) moveable and zoomable within a given frame. However I came across a few problems I'm not really sure of, because I'm a javascript b...

I'm using a html5 canvas + some javascript (onmousedown/move/up) to create simple draw pad on a webpage. Works OK in Opera, Firefox, Chrome, etc (tried on desktop PCs). But if I visit this page w...

I design a WPF form with Window Style=None. So I Cannot see the drag bar in the form. How can I move the Form with WindowStyle=None Property?

I'm trying to build a jQuery plugin that allows you to drag and draw a rectangle (or a div with a border) but I'm not sure how to do it. I don't know of any that currently have this ability so I do...

With the new drag and drop feature of the @angular/cdk (I'm currently using version 7.0.0-beta.2), is it possible to cancel a drag-action? I did not find a matching function on 'CdkDrag' which cou...

Is there an easy way to handle the movement event composed of click and drag to the left or to the right on a div, in order to do a classic slider. The idea is to do something similar to the scroll...

I am currently working on a Dashboard with movable and resizable views. The problem I have now is that I want to resize the view by touch gestures. Therefore, I thought of a Point which I add to a ...

I've integrated the React DND library into my React + Redux application but I'm having some troubles troubleshooting an error that happens when a DragSource leaves a DropTarget. The problem is: w...

I’m trying to setup an onDrag Listener for a google map fragment, but can’t get the drag event to fire. Since the map doesn't support drag events directly, I'm trying to implement a drag listener f...

When dragging any circle in this d3 example, what prevents the circle's center from snapping to the mouse? In other words: when you initiate a circle drag by clicking somewhere near the outer edg...

Is it possible to translate the following D3 snippet into "pure" ReactJS to avoid any interaction with the DOM from D3 (to let React handle it instead)? // Dragging an SVG `g` element d3Select(thi...

I have a editable polygon and I want to listen to events when a vertex is dragged(polygon resized) . Normally attaching the paths to 'set_at' event is good but it fires a lot of events when the who...

I have a web view on which I load HTML content for epub books. The web view content is paginated so the user can flip through the pages horizontally while reading the e-book. I use onFlingDo to sw...

I have a scroll page that I specified two fingers minimum. It works on my device, but don't know how to mimic this gesture on Simulator. I can mimic one-finger scroll without problem. I've tried op...

I have created a window using the WS_EX_NOACTIVATE flag and it works great as far as not taking focus when you click the window. However when I drag the window or try to resize it, it doesn't redra...

I'm trying to write a drag & select functionality using HTML & JavaScript. By that I mean that there will be a set of objects with arbitrary absolute positions. I want to be able drag the c...

I have this formula in Excel, in row E5: =SUM(Banco!H$5;Banco!H$6;Banco!H$8;Banco!H$9;Banco!H$10;Banco!H$11) I need it to change the COLUMN references instead of ROWS when I drag it down (basica...

A simple question. I used 4-6 hours to finding this but not found. Example, Im building a panorama viewer : <a-sky> <script src="https://aframe.io/releases/0.3.0/aframe.min.js">&l...

Ok, so I have always wondered how do I actually pick up an image view and drag it. I was planning when I drag an image view and when user places it to correct location it locks there. I really don'...

Essentially i want to resize the green box by dragging the blue thing. I'm trying to use OffsetLeft but is not working. also the drag event doesn't fire in Firefox. And i have the code here: jsbin...

I am using google maps SDK for ios. I want to make a marker fixed in the center of the screen, so when user drags the map, the marker does not move and stays in the center. I am also trying to read...

I have a (rather simple) question: How to "un-call" force.drag on a selection made by D3.js? Let's say I created a set of elements and called "call" on it, giving it the drag-callback of a force-di...

I create a2D android game with LibGDX and I use an orthographic camera to move around the world. In order to move the camera, the player should touch and drag the screen. So if you touch the scre...

Since I saw this menu drag concept, I have really been interested to find out how to accomplish it. So I am wondering how I would go about dragging with a cloth-effect in a UIView? I know how to ...

I'm trying to put resizing handles on the four corners of a rectangle, which can be dragged to resize the rectangle. What I'm having trouble with is calculating the new width, new height, and new p...