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Re: [MACTCL] aqua background pattern
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From: Tim J. <tj...@to...> - 2004-03-22 19:09:35
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Also, keep in mind that the stripes are totally gone under 10.3
(Panther) in exchange for the more elegant grey/silver tones.
Now, the metal windows are whole 'nother story.
Tim
On Mar 22, 2004, at 11:22 AM, Jim Ingham wrote:
> Uwe,
>
> I don't think this is the right way to go, this seems like hacking
> around what we are very close to having a real solution for...
>
> What we really need is for Tk to handle colors symbolically, which is
> what the Named Colors TIP proposes (that doesn't seem too far from
> being completed either). Then one of the named colors would be
> SystemBackground or something like, and since that would actually make
> its way down into the platform layer as a named color object, we could
> translate it on MacOS X to the pinstripes. The problem with doing it
> any other way is that currently Tk really wants to change the color
> string you passed in to the widget into an RGB color, so the "" or
> whatever is going to get lost. We have some hacks in the Mac OS X
> code to make fake RGB colors that we then decode into system defaults
> down in the platform code, but this is pretty awful. I would rather
> not continue along this route.
>
> Once we can really do symbolic colorw, we could make that the platform
> default for frames if we think that is a good idea, though looking at
> most modern Aqua apps, the stripes are used pretty sparingly. So we
> will have to experiment with this. But anyway, you can use the option
> database to fix this up if you don't like the default we choose.
>
> For buttons, you are going to have to set the -selectbackground to the
> SystemBackground or whatever. The only way around this would be to
> make the buttons truly non-rectangular. Mac OS 10.3 actually does
> have API's to get the shape of a control, so this might be worth
> experimenting with. But OTOH, Tk really does think all widgets are
> rectangular, and I am not sure what kind of trouble we would get into
> violating that, and OTOH, I don't think that we will want to restrict
> even the 8.5 release to Panther or greater...
>
> Lining up the pinstripes is another difficult bit. It would probably
> be enough to line up any widget with its parent if its parent also had
> the pinstripe background, but I have to think about this a little
> more.
>
> Jim
>
>
> On Mar 22, 2004, at 1:53 AM, Uwe Kirschner wrote:
>
>> thanks neil, thanks jim,
>>
>> the label-with-pinstipe-image approach is actually way i am doing
>> right now.
>>
>> this has several drawbacks:
>> - backgrounds on buttons, checkbuttons etc... as you mentioned
>> - alignment: once you need to use more than one "frame-label" the
>> pinstripes do not always line up
>> - since i do not know how to tile an image, i must potentially
>> allocate huge photo images (1900x1200???). a bitmap might require
>> less storage internally but takes a lot of bytes to define???
>>
>>
>> what do you think about this:
>> 1) enhance the toplevel widget to support a background image which -
>> if smaller than the window size - would be automatically replicated
>> in x and y.
>>
>> 2) allow background color "" in all widgets. if color "" is
>> encountered while drawing the widget, it would mean "use as
>> background whatever is unterneath". -bg "" is already implemented for
>> toplevels and frames. "use what is underneath" is already implemented
>> for compositing images with transparency. so the approach would be
>> consistent with what is already there.
>>
>> i think that this would suffice to create the aqua pinstripe look (or
>> even something close to brushed metal) or to create skinned
>> applications which are requested frequently.
>>
>> given these two changes in tk, to create aqua pinstripes i would have
>> to:
>> - tk_setPalette to a color i like
>> - create a 1x4 bitmap image and set its fg and bg colors 2 or 3
>> notches plus/minus the palette's bg color.
>> - assign the image to the toplevel
>> - do an option set *Background ""
>>
>> what do you think?
>>
>> kind regards,
>> uwe
>>
>>
>>
>> Am 21.03.2004 um 19:01 schrieb Neil Madden:
>>
>>> You can achieve a similar effect with an image and a canvas. The
>>> following looks roughly right to me:
>>>
>>> image create photo AquaPinstripe
>>> AquaPinstripe put {{#f3f3f3} {#f3f3f3} {#f6f6f6} {#f6f6f6}} -to 0 0
>>> 50 50
>>> pack [label .l -image AquaPinstripe]
>>>
>>> If you do the same, but using a canvas image type, you can then pack
>>> stuff into the canvas, and get the nice background (so long as you
>>> make the image big enough, or tile it). The only annoying thing is
>>> the white border around buttons. I'm currently using this to make a
>>> toolbar. At present I use the square buttons (using an image to get
>>> the square shape), but I might write some code to draw the buttons
>>> directly on the canvas using images/canvas bindings. If I do, I'll
>>> put the code on the wiki.
>>>
>>> Neil.
>>>
>>> On 19 Mar 2004, at 22:49, Jim Ingham wrote:
>>>
>>>> Not right now.
>>>>
>>>> The main problem is that Tk currently really wants the -bg option
>>>> to be an RGB color, or reducible to such, which obviously doesn't
>>>> work for the Aqua pattern... Once we get the named color TIP in
>>>> place, then we should be able to use that to express the fact that
>>>> the background should be one of the Aqua Theme brushes. Then we
>>>> will have to fix the drawing code to actually draw patterns. Of
>>>> course, then we need to make sure the patterns drawn into all the
>>>> frames in the window line up, etc...
>>>>
>>>> To do metal, we also need some way to tell Tk to use the metal
>>>> window decorations, etc. I don't know whether there is an API to
>>>> switch a carbon app to use Metal... I am not so keen to take this
>>>> on, it would need a champion who was willing to do the work for
>>>> this to happen.
>>>>
>>>> Jim
>>>>
>>>> On Mar 19, 2004, at 3:50 AM, Uwe Kirschner wrote:
>>>>
>>>>> hi all,
>>>>> has anybody got an idea how to achieve the aqua background pattern
>>>>> (i mean the fine white/grey stripes that appear as background in
>>>>> native aqua windows)?
>>>>>
>>>>> (i'd go with brushed metal, too but i guess that would be even
>>>>> more complex)
>>>>>
>>>>> kind regards,
>>>>> uwe
>>>>>
>>>>>
>>>>>
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>>>> --
>>>> Jim Ingham ji...@ap...
>>>> Developer Tools
>>>> Apple Computer
>>>>
>>>>
>>>>
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>>
>>
>>
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> --
> Jim Ingham ji...@ap...
> Developer Tools
> Apple Computer
>
>
>
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