mouseevent

问题 How to block mouse scroll in a div with id="slider-'.$question_id.'" So basically if you put mouse over that div, click it you will not be able to scroll using mouse scroll. <div id="slider-'.$question_id.'"> CONTENT </div> I am only looking for solution with JavaScript I have code below, but this is blocking whole page: <script type='text/javascript'> document.onmousewheel = function(){ stopWheel(); } /* IE7, IE8 */ if(document.addEventListener){ /* Chrome, Safari, Firefox */ document

问题 I have a QTableView, in which both Left- and right-click mouse result in some work., The right click should launch a context menu, and the left should open another process. I use the following connects for this purpose in my QMainWindow connect(Table , SIGNAL( customContextMenuRequested( const QPoint& ) ),this, SLOT( tableContextMenu( const QPoint& ) ) ); connect(Table , SIGNAL (clicked ( const QModelIndex&)), this, SLOT(test())); The Problem is fairly simple to see. Since I use clicked()

问题 I have a QTableView, in which both Left- and right-click mouse result in some work., The right click should launch a context menu, and the left should open another process. I use the following connects for this purpose in my QMainWindow connect(Table , SIGNAL( customContextMenuRequested( const QPoint& ) ),this, SLOT( tableContextMenu( const QPoint& ) ) ); connect(Table , SIGNAL (clicked ( const QModelIndex&)), this, SLOT(test())); The Problem is fairly simple to see. Since I use clicked()

问题 I don't know exact technical word for this but in following jquery code on 'mouseenter' and 'mouseleave' event the whole div get movement like button clicked (flickers?) and I also used 'mouseover' and 'mouseout' but same problem occurs. $total_doctors=mysql_fetch_array(mysql_query("select count(*) from doctor")); Main div: <div class='mainspan action-nav-button'> <a href='doctor.php'> <span> </span> <i class='fa fa-user-md'></i> <span>Doctor</span> <span id='countdoctor'>0</span> </a> </div>

问题 I have a problem, a bit related to: C# Winforms Transparent Control allowing Clickthrough Contrary to him I would like to capture mouse events on my program, while still retaining a "window" to whats behind my program. color.transparent doesn't work, and transparency key just delivers mouse events to whatever is underneath. Using a panel with transparent BackColor or with a BackColor equal to transparency key does not give the desired effect. 回答1: If you need to capture the mouse events, and

问题 Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 6 years ago . I have been searching all day for a tutorial or example code for a simple program - click on object (like a 2d rectangle for example) then as you hold and move the mouse the object follows the mouse, then on mouse release the object remains in new location. In other words, I want to understand how to drag and

问题 The following piece of code generates a white rectangle containing a red rectangle and a grey rectangle. Every rectangle has an associated MouseArea. The grey rectangle becomes blue when the mouse is clicked inside it. The red rectangle prints a console message when the mouse cursor enters inside it and another message when the released signal is emitted. I would like to: press and hold the mouse button inside the grey rectangle (becoming blue) move the cursor outside the grey/blue rectangle

问题 I've got a delegate attached to my TableViewColumn that contains a MouseArea . I use the MouseArea to detect double clicks on individual cells in the table, which allows me to show a TextField for editing purposes. The problem is the delegate MouseArea blocks mouse events from propagating through to TableView . This means that the selection behaviour of TableView no longer works. Specifically, I have SelectionMode.ExtendedSelection enabled. The MouseArea child item is simple and originally

问题 I would like to have Eclipse behavior for mouse clicks outside menus and popup menus in Swing. Basically, in Eclipse, when you press the mouse OUTSIDE the menu, the menu disappears and the mouse press event is forwarded to the component on which you clicked with the mouse. Irritatingly, Swing does not do this, and I can't find a way around it. Right now, even with Windows LAF, i have to click a second time to get the component to register the mouse click. For the sake of the response just do

问题 In OpenCV with C++, Is there a way to remove the mouseHandler(int event, int x, int y, int flags, void* param) {} added to a window "image_window" by function cv::setMouseCallback("image_window", mouseHandler, (void*)param); Thanks for your advice! :-) 回答1: Set the window callback function to NULL like this: cv::setMouseCallback("image_window", NULL, NULL); 来源： https://stackoverflow.com/questions/20278574/how-to-remove-mousecallback-in-opencv