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Questions tagged [inputfield]

Questions about the Mathematica control type InputField.

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38 votes
3 answers
3k views

Automatically check student answers in tests

I am a physics teacher and I am looking for a way to create homework assignments within Mathematica so that each problem has an input field that students can use to check their answers. For example, ...
Gabel's user avatar
  • 483
23 votes
6 answers
2k views

How can I make an InputField with a proper newline/carriage return?

The return key does not work as expected in an InputField, how can I overcome this?
M.R.'s user avatar
  • 31.5k
20 votes
4 answers
1k views

Autocomplete InputField

Is there a way to define a InputField that displays a list of options as you type? More specifically I'm looking for an ...
William's user avatar
  • 7,635
18 votes
2 answers
572 views

Rounding problems inside InputField

The community needs to determine if this is behavior is a bug or not. – Mr.Wizard Consider the following InputField ...
P. Fonseca's user avatar
  • 6,695
15 votes
1 answer
3k views

How to specify the InputField as a String in Manipulate

I'm putting together a Demonstration which utilizes a function which operates on a (manipulated) String, and I'd like the ...
Eli Lansey's user avatar
  • 7,539
14 votes
3 answers
6k views

Reading in scientific notation from C++ to Mathematica

With a text file with entries formatted as (output from C++): f[38.67] = -2.5387862698183892298317350539374412777263289550697e-05; ⋮ Is there a way to read this ...
fpghost's user avatar
  • 2,135
14 votes
3 answers
884 views

Palette with editable InputField

I need a Palette with editable InputField. When I try the code ...
Norb's user avatar
  • 141
12 votes
1 answer
797 views

InputField does not always update continuously with ContinuousAction

By fiddling with Vitaliy's solution for a small GUI, I've come accross this particular behaviour of InputField: ...
István Zachar's user avatar
11 votes
2 answers
474 views

How can you stop ordering of InputField entries?

I have: InputField[Dynamic[d]] Dynamic[d] If I enter e.g. a b x^5 h m the entry automatically gets sorted, as per screen ...
Mike Honeychurch's user avatar
10 votes
2 answers
468 views

AJAX-style HTTP calls triggered by a variable change

I'm trying to create a dynamic InputField that would autocomplete the address as I type it into the field, by calling Google Maps' GeoCoding API on every change of ...
verse's user avatar
  • 1,307
10 votes
1 answer
728 views

How to make InputTable

There is InputField in mma but how to make InputTable? In MathCAD it`s possible to insert Excel spreadsheet with input and output variables.Input variables I use for filling of header row and column ...
Igor Fomenko's user avatar
10 votes
1 answer
317 views

Detect when InputField gets keyboard focus

How might I detect when an InputField comes into focus? For example ideally something like this would work. ...
William's user avatar
  • 7,635
9 votes
1 answer
300 views

Converting to InputForm or StandardForm without deleting comments

Following on from this question: Is it possible to convert an expression to InputForm or StandardForm without losing the comments? For example, ...
geordie's user avatar
  • 3,703
8 votes
2 answers
192 views

Enter numbers into a an already existing list

How can the user enter specific numbers to a an already existed list using InputField, for example: ...
Mark's user avatar
  • 81
7 votes
2 answers
783 views

How to efficiently get the value from form UI built with dynamic InputField

Here is the code that I used to make a tabular UI. ...
PlatoManiac's user avatar
  • 14.8k
7 votes
1 answer
575 views

Limit characters/digits entered into InputField

When using InputField, whether setting the input type as a Number or String, is there a way ...
iwantmyphd's user avatar
7 votes
1 answer
290 views

Can a field be used for both input and output (example: exchange rate calculator)

Suppose I want to build a simple currency converter like this one: The functionality is straightforward: enter an amount in any field box, it gets converted into other currencies whose fields are ...
A.G.'s user avatar
  • 4,372
7 votes
2 answers
183 views

InputField with carriage return in cloud notebooks?

I'm looking for a way of constructing a multi-line InputField in a cloud notebook. That is, a text field that supports the following five behaviors: The 'Enter' ...
M.R.'s user avatar
  • 31.5k
7 votes
2 answers
252 views

How to write 1.0 in InputFields with ContinuousAction and Number constraint

With the concept of user responsiveness in mind, I’ve tinkered a couple of small apps that are supposed to be eh… responsive, i.e. calculating without having to press enter. They all rely on ...
MathLind's user avatar
  • 1,697
6 votes
4 answers
535 views

Dynamic list in which the sum of the elements is invariant under changes to the elements

2nd Update Here's a snapshot of a graphical user interface I'm thinking. I hope this could be self-explanatory and demonstrate the functionalities I mentioned in the 1st update. Thank you all! Update ...
Qizhang Jia's user avatar
6 votes
1 answer
644 views

InputField closer to html TextArea experience

Edits are marked in bold: How do I make an InputField that behaves just like the following HTML Textarea example. Specific Features that are ideal: Text box, ...
William's user avatar
  • 7,635
6 votes
1 answer
246 views

How can I make sure all InputFields have values before processing a nb form?

This is a two part problem: I have a form that accepts both numeric and text inputs, then runs a function using a "process" Button. The issue I'm having is users that forget to fill out all of the ...
Nothingtoseehere's user avatar
6 votes
1 answer
273 views

Giving the input focus to a particular input field

A couple of versions of Mathematica ago there was discussion of how one can set focus on a particular input field: How to set focus of a dialog window? http://community.wolfram.com/groups/-/m/t/...
user90346's user avatar
  • 355
6 votes
1 answer
696 views

Interactive Graph Editing with Animation

I want to make a simple interactive user interface like this: Such that when the user clicks on the "Add Edge" button, the edge specified by from and to fiels is added to the graph. The new graph may ...
Helium's user avatar
  • 4,059
5 votes
1 answer
379 views

Pretty InputField

I'm trying to create a "template" notebook for myself. I want to get input from a single InputField, and then run a few operations on it. How can I make the <...
Trevor 's user avatar
  • 237
5 votes
1 answer
151 views

Hold[Expression] (or similar) in InputField that truly holds the input unmodified

I am trying to design a user interface where the specific form that the user enters in InputFields are left unchanged. For example, if the user puts in a number in scientific notation, it would be ...
Kevin Ausman's user avatar
  • 2,307
5 votes
1 answer
155 views

Dynamic InputField with syntax highlighting?

I'm trying to create a notebook where a user can enter a Mathematica expression, and its syntax is analyzed (number of tokens, compressed size, etc.). Trying this answer, ...
lirtosiast's user avatar
5 votes
2 answers
407 views

How use TraditionalForm input in InputField?

Inside a Manipulate, I'd like one of the controls to be an InputField and to allow the input entered to be in traditional form. ...
murray's user avatar
  • 12k
5 votes
2 answers
528 views

Entering scientific notation in an InputField

I am trying to make an InputField for numeric input, but InputField[Dynamic[num],Number] Does not allow the user to type ...
Daniel W's user avatar
  • 3,426
5 votes
2 answers
141 views

How to set the width of InputField in tables with dynamical content?

I have written the following code to generate the table that is shown below. ...
JuanC97's user avatar
  • 622
5 votes
1 answer
128 views

Hide part of a CompoundElement in a FormPage

I have a FormPage I am working on that uses CompoundElement to structure the output. In most cases, I want the user to be able ...
kickert's user avatar
  • 1,850
5 votes
1 answer
142 views

How to speed up a text search widget?

I have an InputField that searches a predefined list for matching strings and displays them in a TextGrid. But when the list is ...
M.R.'s user avatar
  • 31.5k
5 votes
1 answer
96 views

DialogInput on Raspberry Pi

I have a Raspberry Pi 3 with Mathematica 10.3. The following code does not work properly: ...
Eisbär's user avatar
  • 1,590
5 votes
2 answers
3k views

how to use InputField function within the manipulate function

I am trying to make a demonstration that can take in a matrix and create a vector field. Currently I have the demonstration all functioning but to define the matrix it uses sliders. I know they cannot ...
user26925's user avatar
5 votes
1 answer
186 views

InputField, PasteButton, and Check not playing nicely with each other

Context Added to End In a previous question, I was looking for a way for an InputField to maintain the input structure of expressions so as to allow the user's ...
Kevin Ausman's user avatar
  • 2,307
5 votes
1 answer
160 views

Is there a way to configure the Ask function so that input fields can be optional?

I see that FormFunction includes settings that could work, but I can't seem to find any way to get it to work within the "Ask" framework. Related: https://reference.wolfram.com/language/tutorial/...
vonkohorn's user avatar
  • 471
5 votes
2 answers
391 views

InputField as both in- and output fields with ContinuousAction

Many years ago, I made a handy little program in Flash. It consisted of a number of input fields, each representing a variable that was dependent on all the others. As soon as any field changed, the ...
MathLind's user avatar
  • 1,697
5 votes
1 answer
192 views

How to copy text from InputField without adding spurious spaces? [closed]

The problem happens when you copy text from an InputField and paste it into another: Mathematica inserts spaces in unnecessary places, such as around any ...
Kypaku's user avatar
  • 121
5 votes
2 answers
168 views

Must Run Cell Twice to Display Values

Bug introduced in 8 or earlier and fixed in 9 What is going on here? Print[InputField[]] CellPrint[TextCell["my\"text", "Text", ShowStringCharacters -> True]] ...
William's user avatar
  • 7,635
5 votes
0 answers
198 views

InputField GUI Glitches

Has anyone observed the following GUI glitches in Mathematica (see screenshots below)? I have noticed this beginning to occur from Mathematica 10 onwards. I've only tested their occurrence with the <...
Rahul's user avatar
  • 135
5 votes
0 answers
147 views

Make Enter create new line break inside InputField [duplicate]

I would like to write multiple lines of text inside an InputField, using ContinuousAction->True to update some variable ...
Murta's user avatar
  • 26.3k
4 votes
3 answers
1k views

Input field that appends to a list

I'd like to make a dynamic, changeable list, which has elements that are supplied by the user in an InputField. I want the program to have an InputField and a "reset" button. Every time the user ...
Gabriel's user avatar
  • 1,887
4 votes
1 answer
676 views

How can I create input fields based on the user's choice from a popup menu?

I'm trying to create an interface with Mathematica. However, I need some instructions concerning the code below. This is about 10% of what I have in mind, but first I need to know how can I create <...
K-1's user avatar
  • 581
4 votes
2 answers
538 views

Updating the format style of input cells from an older/'pre-styled' notebook

I have been given a large notebook that was created in mathematica 6. It contains a structure of sections and subsections and the input text is formatted in an unusual (possibly just old) style (see ...
geordie's user avatar
  • 3,703
4 votes
1 answer
413 views

Table with some editable cells

I have a table: I want it to be editable only where the zeros appear. I read this post Generating an editable table that can be used as input because it's almost exactly what I want, but I couln't ...
Mantizaurio's user avatar
4 votes
1 answer
116 views

Focus on `InputField` upon creation? [duplicate]

Let's say we create an input field as InputField[] After hitting enter, the input field appears in the output area below, however the focus in the notebook jumps ...
Kagaratsch's user avatar
  • 12.1k
4 votes
1 answer
145 views

Automatically updating input or inputfield

Is it feasible to make an input field, that or similar functionality, that could be constantly updated while typing or editing, without clicking Enter button? The example is as follows: ...
iot's user avatar
  • 619
4 votes
1 answer
434 views

Hide input with multiple output cells

I want to hide my input, but not with "close cell". i also want to have fast access to the input cell. i found Mr.Wizard's AutoCollapse function, but it doesn't work with two or more Print-functions ...
Phab's user avatar
  • 1,623
4 votes
1 answer
636 views

help with dynamic input

I'm trying to build a pop up window with i lines. Each line would read: Number of neurons in layer 1: Number of neurons in layer 2: etc until layer i The user would enter a numeric value on each ...
Omid's user avatar
  • 41
4 votes
1 answer
358 views

Assign values to parameters from a list/Matrix using GUI

Assume there is a list like: ma={{L1,r1},{L2,r2}}; I want to convert the ma to a GUI which asks me about the values of L1,r1,...
Shellp's user avatar
  • 523