World: r3wp
[!REBOL3 GUI]
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Steeve 14-Feb-2010 [625] | BY combining INACTIVE + HIDDEN you can have several views of the same Panel. Detailed ones and a shortest ones. |
Henrik 14-Feb-2010 [626x2] | well, I think we want realistic use-cases for each tag. HIDDEN might be useful in the context of "don't render this as it's hidden, it's a waste of time" |
yes, it might be useful there, but it seems that INACTIVE would be enough along with the original DISABLED. INACTIVE is what I call FROZEN. | |
Steeve 14-Feb-2010 [628x4] | In my version, DISABLED remove completly the face so that it's not constructed or activable anymore |
yes actually your FROZEN is the same as INACTIVE | |
Another usage for the HIDDEN state. To add a validation process not associated with something to show. For example, a component to check the rights of the user at the validation of a pannel. | |
Though, something like handling the rights should be server sided | |
Henrik 14-Feb-2010 [632] | My original DISABLED allows the face to still be rendered in a disabled fashion, which is good for forms. I'm not sure how useful it is to have your DISABLED after initial rendering, because you would actively have to remove the face.... although that presents some interesting possibilities for altering the face topology. There are already styles in R3 that don't render and that's handled differently. The idea for FROZEN was that it would be a first step toward using the same styles with altered behavior for a GUI editor. FROZEN was selected, because of the simple FREEZE-FACE/THAW-FACE names. READONLY seems the same as SELECT, but READONLY is probably a better name. HIDDEN seems like a cop-out to me. :-) If you want a security measure, elements that a user should not see should not be included at all. With my DISABLED, FROZEN/INACTIVE and READONLY, would that cover it? |
Steeve 14-Feb-2010 [633] | Let me think... I have to find a better usage for the HIDDEN state :) |
Henrik 14-Feb-2010 [634] | keep at it :-) |
Steeve 14-Feb-2010 [635x2] | About my DISABLED it's true that i'ts only usefull at the construction. I.E When You want to construct a pannel from an existing one. |
But it implies some inheritance capabilities, i don't know if it's possible currently | |
Henrik 14-Feb-2010 [637] | template panel? |
Steeve 14-Feb-2010 [638x2] | About HIDDEN, your example of a multi TABS panel is good |
all the fields (even the hidden ones in other sub-panes) have to stay activated because you validate the whole thing | |
Henrik 14-Feb-2010 [640x2] | that's a possibility. HIDDEN would be needed to avoid tab navigation inside hidden areas too. |
a bigger issue is how to handle multiple FACES blocks for tab panels. maybe some kind of switching needs to be done. | |
Steeve 14-Feb-2010 [642] | Don't see the clue, it's only matter off hidding all the sub-panes except the current one ??? |
Henrik 14-Feb-2010 [643] | perhaps that's all that's needed. I'm not sure there isn't any rendering overhead. |
Steeve 14-Feb-2010 [644x2] | keep it simple at first, we'll do some optimization if t's requested :) |
an optimization would be to remove the hidden containers temporary but it can wait | |
shadwolf 14-Feb-2010 [646x2] | henrik hidden widget is used to retrieve size sample for a character displayed on screen in draw using dynamically adapted font (according to the inputs setting of the user ) |
in area-tc for example of course this need depends on how the size x/Y of a char is obtainable | |
Henrik 14-Feb-2010 [648] | shadwolf, I'm not sure we'll keep using convoluted methods for obtaining font size information. we have the ability to make this nice and simple now. |
shadwolf 14-Feb-2010 [649] | the idea of having Hidden face is to be able to use the a face as test device but without calling the rendering engine and the contructor so not using alot of resources just for a not displayed face |
Henrik 14-Feb-2010 [650] | that would be done outside the current window face and should not need any tags for that. |
shadwolf 14-Feb-2010 [651] | henrik yeah indeed I wasn't planning to keep cheating around for ever that's just a hacing temporal solution in the case of area-tc develpement. That was to provide you an exaple of use of an hidden face |
Henrik 14-Feb-2010 [652] | yes, ok :-) |
shadwolf 14-Feb-2010 [653] | Ok here another example imagine you are processing video stream you can use hiddent face to prepare content to be displayed en then swap the faces |
Steeve 14-Feb-2010 [654] | I hope Henrik is convinced now, especially because of the good tab-panel example :) |
shadwolf 14-Feb-2010 [655x2] | steeve yes tab panel with the ability to set up your colums to be display is important way to use hidden face (gob) |
hidden face + multi tasking thread in video application can be really great to smooth things | |
Henrik 14-Feb-2010 [657] | yes, will look at HIDDEN. |
Robert 14-Feb-2010 [658x2] | Does anyone know where in VID34 the entry to the face-tree is? I saw that win-face is set in VIEW but can't find any reference to it. |
And I don't find my set-words I used in the VID spec block. | |
Henrik 14-Feb-2010 [660] | I embarrassingly forgot where it is. :-( |
ChristianE 14-Feb-2010 [661x2] | set-words are found in window/data/faces/1/names, where window is your window gob. Not meant to be like that, should be accessible by an accessor function. |
Oh, I've just found that particular accessor function already in %panel-access.r, called GET-PANEL-VAR: window: view/no-wait [test: button "Test"] button: get-panel-var window 'test | |
Henrik 14-Feb-2010 [663] | in the R3 console, when typing: ? do- Does 'do-style turn up in the list? |
ChristianE 14-Feb-2010 [664] | No. And that's after LOAD-GUI. |
Robert 14-Feb-2010 [665x2] | Why is DATA not shown if I just enter: window? |
It's hidden? | |
Henrik 14-Feb-2010 [667x2] | yes, some GOB attributes are not shown. |
which is why I was wondering about reflection functions on GOBs not working before. | |
BrianH 14-Feb-2010 [669] | Henrik, if you are concerned with making the code modular, it might be a good idea to stick with the .r file extension for now. |
Henrik 14-Feb-2010 [670] | it's quick to change, but Robert's dev environment is set up for .r3 for now. |
Graham 14-Feb-2010 [671x2] | I use hidden panels and buttons all the time .. to reduce GUI clutter. When the user does something that satisfies some condition, I then show these hidden buttons, panels. |
Other systems use ghosting to achieve the same benefit | |
Henrik 14-Feb-2010 [673] | there would be a difference between disabled and hidden items. |
Graham 14-Feb-2010 [674] | hidden is invisible disabled |
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