Hi,
did you get any help with your problem ? Here's what I could come up with..
On Sat, Jan 16, 2010 at 11:41 PM, Matt Gushee <[email protected]> wrote:
> Hello, folks--
>
> First post, sort of (I made an attempt to learn Factor early last year,
> and didn't get very far, but now I'm trying again--maybe this time I'll
> reach "escape velocity").
>
> As a learning exercise (and maybe an excuse to have a game on my laptop,
> which thus far has been free of such distractions ;-) I am trying to
> implement the classic Minesweeper game. So, for each cell in the grid, I
> need a gadget with the following characteristics:
>
> * At least 2 visual states, clicked and un-clicked, typically shown
> with a raised or flat appearance
> * Left-click and right-click event handlers
>
buttons handle all clicks the same way : (from button.factor)
button H{
{ T{ button-up } [ button-clicked ] }
{ T{ button-down } [ button-update ] }
{ mouse-leave [ button-leave ] }
{ mouse-enter [ button-enter ] }
} set-gestures
T{ button-down } handles any click (it's like T{ button-down f f f } ).
Left clicks are T{ button-down f f 1 } and right clicks T{ button-down f f 3
}.
I'm not sure on how to go from there; Maybe subclass button and copy/paste
it's gestures and add a line that handles the right click...?
> * The ability to display an icon or a character, and to change the icon
> at runtime
>
you can change a button's text with the following word
: replace-text ( button text -- )
[ drop children>> pop drop ]
[ >label add-gadget drop ] 2bi ;
I'm not sure if buttons are always supposed to have 1 child or not though..
It doesn't appear that there is any existing gadget that has all these
> characteristics, and I'm not sure what would be the best one to
> customize, but in other GUI toolkits I've worked with, button widgets
> work pretty well for this kind of thing, so I thought I would start by
> taking the border-button gadget and giving it a raised appearance. I
> created 3 TIFF images the same sizes as those used by the plain tile pen
> of the button pen of the border-button gadget. Then I created a new
> tile-pen using those images and new BG and FG colors, and assigned them
> to the plain slot of the button-pen.
>
> The result does indeed look different from the default, but it also
> looks different from what I expected, and quite ugly. I thought I would
> keep looking through the docs for an answer, but I'm just getting lost.
> I can post my code if people want to see it, but I think the real
> problem is not really a programming error, but rather that I don't
> understand how the various images and colors are used in constructing
> the button.
>
> So can someone explain how border-buttons are rendered (noting that,
> while I am reasonably familiar with 2D graphics terminology, I do *not*
> understand OpenGL [I've tried to learn it, failed, maybe try again
> someday, but not today, please])? Or perhaps provide a working example
> of gadget customization?
>
> Thanks for any & all info!
>
> --
> Matt Gushee
> [email protected]
>
>
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attendees to learn about information security's most important issues through
interactions with peers, luminaries and emerging and established companies.
http://p.sf.net/sfu/rsaconf-dev2dev
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