Using processMouseEvent instead of mousedown?
in [Java Programming]
|
Prev: Last Call for Papers (extended): International Conference on Computational Biology ICCB 2008
Next: paypal wholesale women air max 97 (paypal accept)(www super-saler com
From: Sanny on 15 Jul 2008 01:36 I was using mousedown() As Below. ----------------------------->>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> public boolean mouseDown(Event evt, int x,int y){ ----- OLD CODE ----- OLD CODE return true; } ----------------------------->>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Above code works correctly. Now I found somewhere mousedown is depriciated. And I thought of changingf to processMouseEvent() fiunction I used below Code. And replace mousedown() by processMouseEvent(MouseEvent event) NEW CODE --------------- ----------------------------->>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> public void processMouseEvent(MouseEvent event) { int x=event.getX(); int y=event.getY(); ----- OLD CODE ----- OLD CODE super.processMouseEvent( event ); } ----------------------------->>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> The new code do not give any compilation error. But when I start the Applet the mousedown is not working. Q 1. Do I have to add something more to use mouse pressed events? Q 2. What is the benefit of using processMouseEvent() instead of mousedown()? Bye Sanny
From: Andrew Thompson on 15 Jul 2008 02:15 On Jul 15, 3:36 pm, Sanny <softta...(a)hotmail.com> wrote: ... > The new code do not give any compilation error. But when I start the > Applet the mousedown is not working. Maybe it is just tired. Give it a good night's rest and call me in the morning. > Q 1. Do I have to add something more to use mouse pressed events? That depends (on the code not shown). An SSCCE helps to explain code very well. <http://pscode.org/sscce.html> Please be specific*, and try to frame a 'smart question'**. * <http://pscode.org/javafaq.html#specific> ** See link from that section of the document > Q 2. What is the benefit of using processMouseEvent() instead of > mousedown()? It is not deprecated. -- Andrew Thompson http://pscode.org/
From: Sanny on 15 Jul 2008 02:55 > > Q 1. Do I have to add something more to use mouse pressed events? Yes I found out Event Masks are needed. And it worked. Bye Sanny
From: Joshua Cranmer on 15 Jul 2008 08:47
Sanny wrote: > I was using mousedown() As Below. > > ----------------------------->>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> > public boolean mouseDown(Event evt, int x,int y){ > > ----- OLD CODE > ----- OLD CODE > return true; > } > ----------------------------->>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> > > > Above code works correctly. Now I found somewhere mousedown is > depriciated. And I thought of changingf to Event handling between the early versions of Java and modern versions changed, drastically. With something this big, I'd recommend reading the Java Tutorial on GUIs again. What you want to be using now is the event handling mechanisms using MouseListener and friends. -- Beware of bugs in the above code; I have only proved it correct, not tried it. -- Donald E. Knuth |