AppletTalk.com Java discussions newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  snap-to-grid functionality          AppletTalk.com Forum Index -> Java GUI Toolkits View previous topic :: View next topic   Author Message Dieter Schicker Guest Posted: Tue May 23, 2006 11:07 am    Post subject: snap-to-grid functionality Hi, I want to develop something like an editor application. It should be a MDI application with a toolbox from which the user can drag elements to the edit window. In this window there should be a grid with snap-to-grid functionality. Does someone know of a library/API that helps me getting the job done? Many thanks in advance Didi Back to top Andrey Kuznetsov Guest Posted: Wed May 24, 2006 3:07 pm    Post subject: Re: snap-to-grid functionality Quote: I want to develop something like an editor application. It should be a MDI application with a toolbox from which the user can drag elements to the edit window. In this window there should be a grid with snap-to-grid functionality. Does someone know of a library/API that helps me getting the job done? you don't need any lib for snap-to-grid. This is very easy to implement: class GridMouseListener extends MouseAdapter { int gridW = 50; int gridH = 50; public void mouseDragged(MouseEvent e) { int x = (e.getX() / gridW) * gridW; int y = (e.getY() / gridH) * gridH; //further processing here } } Andrey -- http://uio.imagero.com Unified I/O for Java http://reader.imagero.com Java image reader http://jgui.imagero.com Java GUI components and utilities Back to top Dieter Schicker Guest Posted: Thu May 25, 2006 11:07 am    Post subject: Re: snap-to-grid functionality Thank you for the code snippet! It's very easy indeed. Didi Andrey Kuznetsov wrote: Quote: I want to develop something like an editor application. It should be a MDI application with a toolbox from which the user can drag elements to the edit window. In this window there should be a grid with snap-to-grid functionality. Does someone know of a library/API that helps me getting the job done? you don't need any lib for snap-to-grid. This is very easy to implement: class GridMouseListener extends MouseAdapter { int gridW = 50; int gridH = 50; public void mouseDragged(MouseEvent e) { int x = (e.getX() / gridW) * gridW; int y = (e.getY() / gridH) * gridH; //further processing here } } Andrey Back to top Display posts from previous: All Posts1 Day7 Days2 Weeks1 Month3 Months6 Months1 Year Oldest FirstNewest First         AppletTalk.com Forum Index -> Java GUI Toolkits All times are GMT Page 1 of 1   Jump to: Select a forum Java Newsgroups----------------Java DiscussionsWeb-based java games comp.lang.java 3D Graphics API's for Java Java: Support and criticism Java System Announcements comp.lang.java.api JavaBeans Java and CORBA Java and Databases comp.lang.java.developer Java GUI Toolkits Java Help comp.lang.java.javascript JVM, native methods and hardware comp.lang.java.misc Java Language Programming Security and Java comp.lang.java.setup Java Software Tools comp.lang.java.tech ibm.software.java.linux  Non-English Java Newsgroups----------------Java Language (German)Language Java (Français)Java (Italian)  You cannot post new topics in this forum You cannot reply to topics in this forum You cannot edit your posts in this forum You cannot delete your posts in this forum You cannot vote in polls in this forum Powered by phpBB © 2001, 2006 phpBB Group SEO toolkit © 2004-2006 webmedic.