--- Log opened Fri Aug 26 00:00:37 2016
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20160826 08:35:47< DeFender1031> vultraz, you around?
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20160826 09:04:02< DeFender1031> Guess I'll ask my question and either vultraz or someone else who knows GUI can answer. I've noticed that by default, grid sizing seems to be determined only when a dialog is loaded but not when it's modified. For example, if my dialog contains an image, and in the pre show function, i set that image to something 72*72, the image will render in that size. Great. But if I have, say, a listbox, and the listbox has a callback set 
20160826 09:04:04< DeFender1031> on it that changes the image to something which is 144*144 in size, the dialog won't refresh its grid and only 1/4 of the image will be shown. Same thing with a label. If it starts with text which is 3 lines long, and then gets changed by a callback to text which is 8 lines long, it will still only show the first three lines. My question is whether there's some function to call to tell it to refresh its layout geometry, or if 
20160826 09:04:05< DeFender1031> not, how to work around this issue.
20160826 09:15:40 * zookeeper luckily knows almost nothing of the GUI
20160826 09:37:56< DeFender1031> lucky for whom?
20160826 09:37:59< DeFender1031> :P
20160826 09:41:18< zookeeper> for myself
20160826 09:43:03< DeFender1031> Must be, because it's certainly not lucky for me :P
20160826 09:45:10< DeFender1031> in the meantime, do you know why strings i pull out of wml data in lua (loaded with H.get_variable_array) end up being userdata rather than lua strings, or how to get them back to plain old strings so I can do something with them? Even if i concatenate them onto other strings, the result still ends up userdata, and then trying to pass them to string functions explodes.
20160826 09:47:01< Soliton> presumably because they're translatable strings.
20160826 09:49:39< DeFender1031> What does that mean?
20160826 09:49:48 * zookeeper doesn't know
20160826 09:50:17< DeFender1031> It seems (when printed anyway) as though they're returning the post-translation string.
20160826 09:50:26< Soliton> that they're not plain strings.
20160826 09:50:40< DeFender1031> Soliton, either way, is there some way to turn them into plain, post-translation strings?
20160826 09:51:10< Soliton> probably, i know nothing about lua though.
20160826 09:51:21< DeFender1031> blerg
20160826 09:54:10< DeFender1031> guess i'll have to wait for someone more fluent in lua
20160826 09:54:18< DeFender1031> or rather, in wesnoth lua
20160826 09:59:44< vultraz> DeFender1031: around?
20160826 09:59:52< DeFender1031> vultraz, hi
20160826 10:00:28< vultraz> what you have come across is a really big flaw in gui2
20160826 10:00:40< vultraz> there isn't really a solution
20160826 10:00:44< vultraz> especially not from lua
20160826 10:00:47< DeFender1031> :/
20160826 10:01:05< vultraz> in c++ there is a way to trigger a recalculation of sizes, but we don't really use it
20160826 10:01:07< vultraz> however
20160826 10:01:11< vultraz> there are workarounds
20160826 10:01:21< vultraz> for images, we usually scale them to a specific size.
20160826 10:01:35< DeFender1031> is there a way to force a label or image to take up the full height and width of something even if it's not that size?
20160826 10:01:40< vultraz> or use a widget like a multipage where it's guaranteed space.
20160826 10:01:46< vultraz> DeFender1031: yes
20160826 10:01:52< vultraz> in the column with the image or label
20160826 10:02:03< vultraz> add horizontal_grow = true and vertical_grow = true
20160826 10:02:06< vultraz> as appropriate
20160826 10:02:07< DeFender1031> what do you mean by "a multipage where it's guaranteed space"?
20160826 10:02:13< DeFender1031> ah
20160826 10:02:18< DeFender1031> well that will help somewhat
20160826 10:02:25< vultraz> alternative, for labels
20160826 10:02:28< vultraz> use a scroll label
20160826 10:02:38< vultraz> this will give you a scrollbar if the label overflows
20160826 10:03:04< vultraz> this should optimally be used with the above h/v_grow keys to ensure maximum space is always reserved
20160826 10:03:23< vultraz> the logic behind this is that if a widget is not told to grow in size, it will only take up as much space is needed
20160826 10:03:33< vultraz> and if you need to change it, that may not be enough
20160826 10:03:39< vultraz> take a two-column dialog
20160826 10:03:42< vultraz> each has a label
20160826 10:03:46< vultraz> one line
20160826 10:03:55< vultraz> the dialog has space for 10 lines
20160826 10:04:18< DeFender1031> right, i got that
20160826 10:04:24< vultraz> however, if you have not set vertical_grow = true in each column, the label widget inside the column will only take up the space for 1 line
20160826 10:04:29< vultraz> and the other 9 will be truncated 
20160826 10:04:30< DeFender1031> right
20160826 10:04:38< vultraz> hope it helps
20160826 10:04:51< DeFender1031> and what did you mean about the miltipage?
20160826 10:04:55< vultraz> now, a multipage widget is a stack of 'pages', each with the same layout but different contents
20160826 10:05:06< DeFender1031> ah
20160826 10:05:22< vultraz> each page is calculated at runtime, meaning each page always has enough space, and the widget has enough space for the biggest page
20160826 10:05:30< DeFender1031> ooh
20160826 10:05:38< DeFender1031> that'll solve the problem completely, no?
20160826 10:05:51< vultraz> depends on your usecase
20160826 10:06:17< vultraz> if you want something like the campaign selection dialog, where you show details for items in a list, then yes, that would work
20160826 10:07:25< DeFender1031> this is a recreation of a unit list view (like the recall list) with a recreation of the unit preview pane, so yeah, that should work here
20160826 10:08:44< DeFender1031> thanks, i think this answers my current questions about GUI. vultraz, any hel on the question about strings?
20160826 10:09:18< vultraz> you want the .__cfg field, I think
20160826 10:09:57< vultraz> helper.get_variable_array().__cfg, perhaps
20160826 10:09:59< vultraz> dunno if that works
20160826 10:10:49< DeFender1031> vultraz, nope, tells me it got nil
20160826 10:11:28< vultraz> hm
20160826 10:12:38< vultraz> not sure
20160826 10:16:30< Naglfar> sometimes wesnoth begins too much cpu & memory usage, there's some tweaks can I use to compile it as lighter as possible ?
20160826 10:30:12< Soliton> remove add-ons.
20160826 10:34:02< Naglfar> ok
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20160826 11:04:29< Harzilein> hi
20160826 11:04:48< Harzilein> uhm, i just looked at this: https://play.google.com/store/apps/details?id=com.nomadgames.talisman&hl=en
20160826 11:05:05< Harzilein> mysteriously familiar music?
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20160826 11:08:29< Harzilein> ah, right, seems i'm three years late
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--- Log closed Sat Aug 27 00:00:49 2016