double-click

问题 I´m trying to implement an undo (and redo) function for an editable JTable with the default components. The JTable has an extra class to specify its properties called SpecifiedJTable . To do so I wanted to grab the moment when a cell is doubleclicked (i.e. the moment when a cell is chosen/marked to be edited) to push the information in the cell and its coordinates onto the stack. This should be done by a MouseListener ...at least that was my idea. I tried this (standing in the constructor of

问题 I have two span elements in a page. when I call a jquery double click function on both then the function is called only on first element. I am using the following code: <span id="shiftTime_1">1</span> <span id="shiftTime_2">1</span> and jquery function is: $("[id^='shiftTime_']").dblclick(function() { alert("hello"); }); when I double click on the element Id of shiftTime_1. then the function works fine. But when I double click on element Id of shiftTime_2 then this function does not respond.

问题 I've looked at this before and found javascript that works for me with Google Chrome, Firefox, and IE when I test it but it seems randomly (or browser specific) it doesn't work. I need a solution that does work. This is what I'm currently using with jQuery: $(document).ready(function () { $("a.Once").one("click", function () { $(this).click(function () { return false; }); }); }); I add the class "Once" to buttons I want to make sure aren't clicked more than once. Again, It always works

问题 After messing around with Netbeans and Scenebuilder for a while I'm stuck at a problem I can't quite understand. I use a custom cellfactory to bind a doubleclick event to the cells in my tableview. But when I set the cellfactory and a cellValueFactory only the custom cellFactory has an effect. I'm trying to populate a tableview with data from a number of objects and bind a double click event to the cells of the first column. Populating is not the problem, I just used idNumber

问题 This question already has answers here : How to listen to doubletap on a view in android? [duplicate] (1 answer) Android: How to detect double-tap? (20 answers) Closed 5 years ago . How to detect the double tap in android? I implement OnDoubleTapListener and wrote this: public boolean onDoubleTapEvent(MotionEvent e) { // TODO Auto-generated method stub if(e.getAction() == 1){ Toast.makeText(getApplicationContext(),"Double Tap", Toast.LENGTH_SHORT).show(); } return true; } But it is not

问题 I'd like to be able to catch the DoubleClick or MouseDoubleClick events from a standard winforms radio button, but they seem to be hidden and not working. At the moment I have code like this: public class RadioButtonWithDoubleClick : RadioButton { public RadioButtonWithDoubleClick() : base() { this.SetStyle( ControlStyles.StandardClick | ControlStyles.StandardDoubleClick, true ); } [EditorBrowsable( EditorBrowsableState.Always ), Browsable( true )] public new event MouseEventHandler

问题 I used this code for detecting single and double click for headset button in my broadcast receiver: int d = 0; @Override public void onReceive(Context context, Intent intent) { String intentAction = intent.getAction(); if (!Intent.ACTION_MEDIA_BUTTON.equals(intentAction)) { return; } KeyEvent event = (KeyEvent) intent .getParcelableExtra(Intent.EXTRA_KEY_EVENT); if (event == null) { return; } int action = event.getAction(); switch (event.getKeyCode()) { case KeyEvent.KEYCODE_HEADSETHOOK: if

问题 I want to either display a message in the console or a pop up, so in case a parameter is not specified, I want to know to which should I display Something like: if( !file.exists() ) { if( fromCommandLine()){ System.out.println("File doesn't exists"); }else if ( fromDoubleClickOnJar() ) { JOptionPane.showMessage(null, "File doesn't exists"); } } 回答1: The straight forward answer is that you cannot tell how the JVM was launched. But for the example use-case in your question, you don't really

问题 Doing the below will reproduce my problem: New WPF Project Add ListView Name the listview: x:Name="lvList" Add enough ListViewItems to the ListView to fill the list completely so a vertical scroll-bar appears during run-time. Put this code in the lvList.MouseDoubleClick event Debug.Print("Double-Click happened") Run the application Double-click on the LargeChange area of the scroll-bar (Not the scroll "bar" itself) Notice the Immediate window printing the double-click happened message for the

问题 Is there a method to obtain the (x, y) coordinates of the mouse cursor in a controls DoubleClick event? As far as I can tell, the position has to be obtained from the global: Windows.Forms.Cursor.Position.X, Windows.Forms.Cursor.Position.Y Also, is there a method to obtain which button produced the double click? 回答1: Control.MousePosition and Control.MouseButtons is what you are looking for. Use Control.PointToClient() and Control.PointToScreen() to convert between screen and control relative