ANN: A true scrolling canvas demo

Bob Sneidar bobs at twft.com
Mon Oct 4 13:31:21 CDT 2010


Hi Roger. 

This could be extremely useful for a project I have been contemplating for some time. I wanted to make a conference scheduling app complete with visual maps of buildings and rooms and such. The maps would be interactive, so that I could click on a room and get the record of that room, such as the schedule and vacancy status. 

If you think this would be possible, I would be willing to donate some money toward your development of the object. Let me know if you think what I am trying to do is possible with your Scrolling Group object. 

Bob


On Oct 4, 2010, at 8:59 AM, Roger Guay wrote:

> Nice job, Claudi! Thanks for sharing it.
> 
> Cheers, Roger 
> 
> On Oct 4, 2010, at 6:32 AM, use-revolution-request at lists.runrev.com wrote:
> 
>> Message: 9
>> Date: Sun, 3 Oct 2010 23:30:34 +0200
>> From: Claudi Cornaz <claudi.c at fiberworld.nl>
>> Subject: ANN: A true scrolling canvas demo
>> To: How to use Revolution <use-revolution at lists.runrev.com>
>> Message-ID: <909E5DFD-538F-477F-AD9E-B9F854655124 at fiberworld.nl>
>> Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes
>> 
>> Hi All,
>> 
>> I am glad to anounce the ccScroller group.
>> 
>> After many years, on and off, trying to get it to work right, I finaly  
>> succeeded in creating a true scrolling canvas like group.
>> 
>> I managed to get something to work before but now I found a simple and  
>> elegant solution.
>> 
>> You can drag objects around in the group and the "canvas" will always  
>> adept to the placement of the objects.
>> It grows and shrinks as neccesary, in the expected and sane way.
>> 
>> The final piece I needed was mentioned by Richard quiete a few weeks  
>> ago, the boundingRect.
>> The boundingRect alone isn't sufficient but it turned out to be a  
>> crucial extra piece I needed to acomplish this canvas group.
>> 
>> I tryed to uploaded it to revOnLine but after I logged out I couldn't  
>> log in anymore.
>> Apparently the password they send me this afternoon is wrong now. I  
>> don't know.
>> So I have no idea if the upload went correctly because I can't find it  
>> nowhere anymore. Revonline seems a bit flaky at the moment.
>> I will try again later.
>> 
>> Probably the easyest way to get the stack is to execute the following  
>> in the messagebox:
>> 
>> go stack URL "http://www.claudi.on-rev.com/livecode/ccScroller_demo.rev"
>> and check it out.
>> 
>> I hope (some of) you find it usefull
>> 
>> All the best
>>  Claudi
> 
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