Questions related to the Mathematica front-end (graphical user interface).

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2
votes
1answer
193 views

Fraction shortcut not working, giving strange spacing character on german keyboard

So usually when you want to enter a fraction in Mathematica, you can do so by pressing "Ctrl+/". If you are on laptop with a german keyboard however, you will have to press "Ctrl+Shift+/" since you ...
2
votes
0answers
81 views

How to increase font size in front-end UI Menus [closed]

Is it possible to increase the font size in the notebook GUI's menus, messages window, help windows, etc?
3
votes
1answer
53 views

How to enter options when using an input palette

Integrate[1/(x^2 + y^2 + z^2)^(5/2), {x, 0, b}, {y, 0, l}, GenerateConditions -> False] We can type in the above expression easily. But if someone new to ...
6
votes
1answer
76 views

Why does NotebookDelete fail on cells with Copyable set to False? Bug?

Bug introduced in 9.0 or earlier and fixed in 10.3 Consider this: ...
7
votes
1answer
171 views

How to programmatically mark and then select a subset of input cells?

I'm developing a package that needs to exert significant control over a notebook while a user interacts with it. One specific thing that it needs to do, programmatically, is to select a specific ...
3
votes
0answers
88 views

Changing scroll range for mouse wheel

Is there a possibility to change the range for scrolling with the mouse wheel in Mathematica? In ScrollingOptions I couldn't find such an option. I played around ...
0
votes
0answers
23 views

How to prevent Mathematica 10 from instantly displaying hover menus? [duplicate]

I recently updated to Mathematica 10 in the hopes to get the most up to date function definitions and run time optimizations. Alas, along with the (hopefully significant) improvements (not so sure ...
10
votes
2answers
4k views

Front end freezes on start-up

Update 2015 September 4: An incorrect paclet update was pushed recently that caused Mathematica to not hang on startup with "Initializing kernels". The problem and solution are described here: ...
0
votes
1answer
93 views

What is Mathematica's comment-to-line-end token? [duplicate]

How can I make a full line of code into a comment by typing a single character inserted at start of the line? In other programming languages I can use characters such as ! , # and language processor ...
2
votes
3answers
309 views

How can I clear the content of my notebook in Mathematica? [closed]

The Clear command is for clearing definitions of symbols. Is there any built-in function to clear the work area of my Notebook?
1
vote
1answer
87 views

How to define a number of infix operators with predefined relative precedences

Reading a number of questions about infix operator notations I want to ask if somebody could reimplement the problem below in a simpler way, say modifying ...
14
votes
0answers
144 views

Why does the Ver. 10.0 FrontEnd lose matching of parentheses when we insert quotations?

I am running Mathematica 10.0.1 on a four-year old iMac running OS 10.6.8. The following irritating behavior occurs regularly: I have a list with parentheses, and later on I need to add something to ...
5
votes
1answer
238 views

How can I prevent SHIFT-ENTER moving the editing cursor?

What I do: Here press Shift+Enter to evaluate. What I get: The cursor disappeared What I want: The cursor retained Workaround: Up Arrow as many times as it takes, Right arrow as many times ...
2
votes
1answer
48 views

How can one easily toggle the “insufficient version” warning message in CDF and Mathematica?

Unfortunately people use different Mathematica and CDF versions and the default setting of "InsufficientVersionWarning" in MessageOptions is True both in Mathematica and the CDF Player (which is quite ...
9
votes
0answers
70 views

Is this behaviour, producing OutputSizeLimit`Dump`encapsulateOutput, a bug?

Bug introduced in 6.0.0 and persisting through 10.2.0 The input ...
12
votes
2answers
473 views

Prevent 10.2 from creating “Wolfram Mathematica” directory on Linux

Since upgrading to version 10.2.0.0, every time I start the Mathematica front-end it creates a "Wolfram Mathematica" directory under my home directory. (It never seems to put anything in it.) Anybody ...
5
votes
0answers
284 views

Front End does not respond to keys (version 10.2, Linux)

I was often complaining about the front end performance under Linux, but it seems I could pin down a very critical issue. I made a screen-cast that shows how to reproduce the issue Screen-cast on ...
2
votes
1answer
116 views

Some symbol does not auto-complete in v10.2

When I input Backsub in Mathematica 10.2 and press Ctrl+K after, I couldn't get Backsubstitution. My OS is Windows 8 32-bit. ...
5
votes
3answers
94 views

Output code not highlighted when used as input

I have reported this issue: [CASE:3389542] Today, I accidentally found what I believe is an unwanted feature of the front-end, where input code is not appropriately highlighted and the dynamic ...
9
votes
1answer
150 views

How to test if file exists on the front end machine?

When using a remote Mathematica kernel, how can you test if a file exists on the local front end machine? Of course FileExistsQ cannot be used in this scenario, ...
1
vote
0answers
151 views

How can I protect my notebook file with a password to open and save changes? [closed]

I want to protect my .nb file with a password, because now I'm using a free access computer in my university. Everybody student in my university can use that computer and I do not want my .nb file can ...
10
votes
1answer
114 views

How to Copy formatted code without backslashes added?

By default code copied from the FrontEnd is formatted with backslashes added at the ends of lines. For example, evaluating in a Notebook Range[40] and copying ...
6
votes
2answers
112 views

How do I maintain notebook state variables between front end/kernel sessions, if those variables are set programmatically rather than via UI widgets?

I need to give a notebook a few simple state variables (counters) that will be saved with the notebook, persist across kernel restarts, etc. From what I've read, using variables defined within a ...
0
votes
1answer
105 views

Adding code comments to a module [closed]

What is the best way to comment a long Module? For linear flowing calculations that need not be organised in modules, I usually mix text and math. But how can I do that inside a module, or block, or ...
2
votes
0answers
53 views

Is there a keyboard shortcut that reproduces the code two input cells above the current cursor location?

In Mathematica running on OS X, Cmnd+L is one of my favorite keyboard shortcuts, as it reproduces the code in the input cell above cursor location into the current cell or into a new cell when the ...
10
votes
2answers
176 views

List of Recently Opened Files

If I go to the menu bar and press File I get a list of recently opened files.This would be useful except they are edited and mostly replaced by dots thus making choosing difficult. See the screen shot ...
3
votes
1answer
103 views

How to get the size of a specific image in the front end?

The title pretty much says it all. One possible point of confusion is that this question is not limited to items with head Image. I don't know what is the ...
3
votes
1answer
55 views

How to access the string of the cell I am typing?

I'm trying to map a keyboard shortcut to google search the contents of the cell I am typing. Here is my code so far: ...
1
vote
0answers
30 views

autocomplete or forward search input histories

I think there are many bash users here. In bash, a forward search of input histories can be done by Ctrl+r, which let you edit your previous similar input and reuse it. Is there a similar function in ...
1
vote
1answer
176 views

Undo (CTRL Z as well as under edit) bug after pressing control shift [duplicate]

Bug introduced in 10.0 and fixed in 10.0.2 As some of you might know, if you press control + shift on windows, you change your keyboard layout. For example, : becomes ±. This happens sometimes in ...
21
votes
1answer
232 views

Is there any Mathematica functionality enabling its use for the blind?

A colleague of mine has become blind as the result of a sudden medical misfortune. We want to help him to feel useful and active again. We, however, still cannot determine what can be done and to what ...
13
votes
0answers
96 views

Floating highlighting bug [duplicate]

Bug introduced in 10.0 and not fixed up to 10.2 At some random point in time the highlighting does not disappear any more. By highlighting I mean transparent boxes appearing for find feature ...
7
votes
0answers
93 views

NotebookWrite a Cell with WholeCellGroupOpener option [duplicate]

Why NotebookWrite[ EvaluationNotebook[], Cell["ZZ", "Section", WholeCellGroupOpener -> True] ] produces: ...
1
vote
0answers
92 views

Software Testing (Dynamic, Manipulate, DynamicModule) Interfaces

The main Testing Framework (in both the frontend and Wolfram Workbench) supports unit testing for command-line invocations. Is there a natural way of co-opting this, or perhaps there already exist ...
5
votes
0answers
52 views

How is CellContext->CellGroup supposed to work?

After reading the documentation on the subject, I still cannot get CellContext->CellGroup to work. Here's a simple example. (Unfortunately, I cannot easily ...
23
votes
1answer
293 views

Is it possible to maintain user-defined shortcuts in a web-installable package?

There are various posts here on this site about how to add user defined extra keyboard shortcuts for the front end. The problem is how to put them into a better maintable and properly documented ...
8
votes
1answer
100 views

How to sort cells?

Is there a way to programmatically reorder the section cells in a notebook alphabetically? For example:
7
votes
1answer
161 views

Transparent bitmaps or graphics in gui objects initially appear wrong

Bug introduced in V9.0 or earlier and persisting through 10.4.1 I have a problem with images with alpha channel which I want to use as labels on Button etc. ...
2
votes
0answers
42 views

Mathematica 8 sometimes hangs up over a simple instruction - ask more and it may unhang

Lately Mathematica 8 seems to have an 'underload' buffer where the current instruction is not executed unless it is given a few more tasks to do. This is very weird. Sometimes it takes just one more ...
3
votes
1answer
55 views

How to unset an notebook option programmatically?

This question is related, but not identical, to this one. Suppose one sets a notebook option like this SetOptions[EvaluationNotebook[], Foo->Bar]; ...and ...
0
votes
0answers
45 views

Is there a way to fully restart a Mathematica session from the front end? [duplicate]

Sometimes my Mathematica environment gets sufficiently fouled up that a full restart is the best way to move forward. By "full restart" I mean the equivalent of running ...
0
votes
1answer
92 views

Can one upgrade versions directly from Mathematica front end?

The copy of Mathematica I use I get through work. Upgrading this copy is always I time-consuming, pointless chore. I think all of it could be automated. Which makes me wonder: Is there any way to ...
5
votes
2answers
254 views

How to make Mathematica use system GTK style under Linux?

Under Linux, Mathematica uses preinstalled QT themes, but I'm sure that it's possible to make it use system GTK style. How?
2
votes
0answers
97 views

Alt drag does not work properly

When a graphics is displayed, right clicking will bring up the Get Coordinates tool. To select a rectangular region, you can do it manually by selecting the two corners and Alt+C will copy these two ...
26
votes
1answer
518 views

How to export a Mathematica notebook into Markdown?

Is there a way to export a Mathematica notebook into Markdown? I'm sure it's possible to implement rules for converting each Mathematica cell subexpression into Markdown, but I'm also sure that I ...
6
votes
1answer
91 views

Update/refresh notebook variable color on clear

By default, Mathematica displays variable names already assigned as black while new variables are displayed in blue. When executing Clear["Global`*"], variables ...
19
votes
2answers
684 views

What is the FrontEnd?

Can anyone sort out what the Front-End is, how it is structured and what its relationship to the Kernel is. The FrontEnd is mentioned quite often but elusively avoids to be caught and clearly defined. ...
1
vote
1answer
66 views

Table of sections with CellPrint

I am trying to produce a table of sections with each section containing a DynamicModule. My two questions are: (1) How do I produce grouped sections that are folded ...
0
votes
0answers
55 views

Some unexpected behaviour with StyleKeyMapping

Start with a fresh front end & kernel. The expected behaviour with an Input cell should be like this: Input 1and delete ...
11
votes
1answer
283 views

Is there a programmatic equivalent of Edit > Find…?

Most things that can be done via the front-end interface in Mathematica can also be accomplished by some function. Is that the case for find-and-replacing? That is, is there some code I could execute ...