creating drag-and-drop

[Eric Chatonet]

Hi Emilio,

About snap an object to a predefined position, just set the loc (or  
another property as the topLeft, the bottom, etc.) of this object  
when the user releases the mouse.
As for drag and drop, you might be interested by my How-To stack #010  
How to drag and drop files and folders.
(It's the same way of doing with objects)
Access it by running in the message box:

go url "http://www.sosmartsoftware.com/downloads/Managing%20Drag%20and 
%20Drop.rev"

Best regards from Paris,

Eric Chatonet.

Le 2 juin 05 à 00:14, Emilio Gagliardi a écrit :

> Hi all,
> I want to create a simple screen that allows a user to drag a  
> button from the center of the screen to one of three hotspots and  
> then run some function.
>
> The problem I am having is the interaction between object that I  
> use to define the hotspot (an image) and the button I want the user  
> to move around.  I thought it would be best to use an image with a  
> fixed size to define a portion of the card to accept a "drop".   
> However, the messages don't seem to move as I would expect.  That  
> is, i can drag the button around no problem, but to detect whether  
> some portion of the button is over the image is proving odd.  For  
> example, you I release the mouse outside the image object *on  
> mouseUp* fires correctly and *is within* correctly returns false.
>
> However, when I drag the button over the image and release while  
> over the  image, *on mouseUp* doesn't fire at all. The  
> functionality I'm looking to create is a snap-to mechanism that  
> detects whether the button is over any part of the image and then  
> snap the button to a position relative to the image.  The end  
> result is that I need to know which buttons were dragged into the  
> three hot zones so I can store that information.
>
> Any suggestions is greatly appreciated.
>
> Cheers,
> Emilio

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