How to extend horizontally this inputdlg window?

Question

Veronika 2017-3-11

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/329298-how-to-extend-horizontally-this-inputdlg-window

评论： dpb 2017-3-11

采纳的回答： Star Strider

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Dear all,

I have this code for inputdlg window:

prompt = {'Nastavení výšky modelu:','Nastavení jemnosti sítě modelu:','Nastavení počtu elektrod:','Nastavení vzdálenosti mezi elektrodami:','Nastavení poloměru elektrod:','Nastavení tvaru elektrod:','Nastavení jemnosti sítě elektrod:','Nastavení normy - doplnit:'};
dlg_title = 'Nastavení parametrů modelu';
num_lines = 1;
defaultans = {'1','0.8','16','1','0.05','0','0.4','256'};
answer = inputdlg(prompt, dlg_title,num_lines, defaultans);

I would like to extend horizontally this window, because there isn´t display title of window. Can you advise me?

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Answer 1

Star Strider 2017-3-11

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https://ww2.mathworks.cn/matlabcentral/answers/329298-how-to-extend-horizontally-this-inputdlg-window#answer_258283

在 MATLAB Online 中打开

All you need to do is to define ‘num_lines’ to be a matrix. Here, I defined them as all being 75 characters wide:

prompt = {'Nastavení výšky modelu:','Nastavení jemnosti sítě modelu:','Nastavení počtu elektrod:','Nastavení vzdálenosti mezi elektrodami:','Nastavení poloměru elektrod:','Nastavení tvaru elektrod:','Nastavení jemnosti sítě elektrod:','Nastavení normy - doplnit:'};
dlg_title = 'Nastavení parametrů modelu';
defaultans = {'1','0.8','16','1','0.05','0','0.4','256'};
num_lines = [ones(size(defaultans')) ones(size(defaultans'))*75];
answer = inputdlg(prompt, dlg_title,num_lines, defaultans);

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dpb 2017-3-11

编辑：dpb 2017-3-11

"All you need to do..."

"All", indeed! :( It's still arbitrary to discover how wide is "wide enough" since simply counting characters doesn't tell how long the two text strings of longest prompt vis a vis the dialog title are relative to each other in display length since they're not same font size. Seems like there is some ability to determine some of that I've seen in the past but can't think just what/where it is at the moment. (Ah, I recall...the 'extent' property of the text object; write the string in question and query the extent; comparison of different strings lengths/font sizes can be done then to find the number of characters to be at least the length of the other string in a different font/fontsize. It's still pretty klunky, but at least is theoretically possible.)

I think still it's another of those little nits that TMW should've gotten working better initially...it's just such a pain to have to work thru these little nigglies that aren't all that important in big scheme of things but are endlessly annoying...

$0.02, imo, ymmv, etc., etc., etc., ...

Star Strider 2017-3-11

I suppose you could somehow recover the title font size, estimate the length (in millimetres or pixels or whatever) necessary to show the entire title, then translate that to the necessary length requirement for ‘num_lines’ as the number of characters in the input window length, and then set that.

It seems to me to be easier to simply update the documentation to include that option as a more obvious solution rather than ‘camouflaging’ it. We’re experienced with MATLAB, and if it takes us time to find it and experiment with it, those less experienced will quite likely never find it.

dpb 2017-3-11

I agree at a minimum the doc ought to be improved; I don't do gui's but what few times have used the UIdialogs it has often seemed they've been so neutered from what the underlying OS parameters are that one almost always ends up with some issue if it's more than just the simplest of uses.

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Answer 2

dpb 2017-3-11

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https://ww2.mathworks.cn/matlabcentral/answers/329298-how-to-extend-horizontally-this-inputdlg-window#answer_258279

编辑：dpb 2017-3-11

在 MATLAB Online 中打开

Don't see a way programmatically, TMW didn't expose the rest of the control properties thru the provided interface, unfortunately.

...[Previous use of longer prompt to fudge field width elided for brevity--dpb]...

Just point out one way to implement the TMW-suggestion linked to by IA and as fixed-width by SS above...

N=max(length(dlg_title),max(cellfun(@length,prompt)))+1;  % get max length + offset
numel=repmat([1 N],length(prompt),1);        % build numel array from inputs

Empirically the '+1' above was just enough; as observed in above comment this is an empirical adjustment, unfortunately.

What a kludge, though! :( This should be cited and an enhancement request submitted to TMW www.mathworks.com official support.

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Answer 3

Image Analyst 2017-3-11

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https://ww2.mathworks.cn/matlabcentral/answers/329298-how-to-extend-horizontally-this-inputdlg-window#answer_258290

There is a way to do it and I give the answer here: https://www.mathworks.com/matlabcentral/answers/101326-how-can-i-make-an-input-dialog-box-created-by-inputdlg-wide-enough-to-show-the-entire-title#comment_234405

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dpb 2017-3-11

编辑：dpb 2017-3-11

Ah...shoulda' read the doc more carefully, the TMW-supplied answer at the above link uses the array form for the num_lines parameter where the first column is number of lines for each prompt while the second is the width of the column. So, add the characters of the difference between length of title and prompt plus some for the field width and the prompt boxes will be wide-enough.

Much cleaner than the above forcing a long-enough title for a prompt, but similar "trick" to force the sizing algorithm to work.

Be much better if TMW would do this internally, though; why wouldn't one if given the task to implement the UI? Or perhaps there was no internal test that uncovered the case of title display length > prompt length so it all seemed to work fine in internal test suite?

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