Please leave the FULL compatibility changing ONLY internal code. 2007/12/16, Paul Ishenin <[EMAIL PROTECTED]>: > > Marius wrote: > > Hello, > > > > I completed drag&drop this weekend but i'm unhappy with it. The > > existing implementation is relying on copyrighted code and the only > > way to finish it was to copy more copyrighted code. Even with > > refactoring you can see some pretty big fingerprints from borland. To > > avoid copyright questions it would be best to rewrite the code, a > > necessary step i'm afraid (unless somebody has better ideas?). > > > > In order to do this we need to establish what interface is needed, but > > first we need to decide if we need to be compatible with delphi. If we > > want 100% compatibility we end up quickly with roughly the same code. > > if we dont i don't think it has a huge impact as not many people are > > using drag&drop. Also the current implementation uses wndproc > > messaging and i would like to avoid that as much as possible (not sure > > if it can be avoided though), so that would be the first break in > > compatibility. > No, please dont break compatibility. Many components and applications > depends on drag and drop (at least I know many). So we need same > classes, same methods and properties and same messages. We only need > different implementation, but this doesnot mean such methods as > TDragObject.GetDragCursor or TDragObject.HideDragImage or another simple > getters/setters should be rewriten. Only not trivial code needs rewriting. > > > > > What i have in mind for a new implementation is to replace the > > drag&drop code in controls.pas with abstract classes. I would like to > > seperate the drag&drop into a DragManager and DropManager. The > > managers could be in TApplication so they can be replaced and tested > > seperately without recompiling Lazarus. > > > > Besides drag&drop are there any things you would like to see > > implemented in a new approach? For instance Mattias wants autodocking > > and he wants to save the dock-layout (desktop ideas?) > > > > Youre ideas, opinions and observations please > > I also thinked that classes for drag and drop are better than global > variables and procedures as currently. Please do classes :) > > Best regards, > Paul Ishenin. > > _________________________________________________________________ > To unsubscribe: mail [EMAIL PROTECTED] with > "unsubscribe" as the Subject > archives at http://www.lazarus.freepascal.org/mailarchives >
-- Best regards... Fabio Dell'Aria.
