Questions tagged [display]

is for Emacs display features, which includes scrolling, fonts, colors, and placement of text or images.

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44 views

WSL: emacs gui won't start

I'm on Windows 10 Pro 10.0.21337 (windows insider program) and installed WSL with Ubuntu 20.04. From within ubuntu I said apt-get update apt-get upgrade apt-get install emacs dpkg -l emacs -> ||/ ...
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1answer
19 views

Underline issue with Inconsolata font

I'm using Inconsolata font in emacs. The setting looks like (set-face-attribute 'default nil :font (font-spec :name "-*-Inconsolata-bold-italic-normal-*-*-*-*-*-m-0-iso10646-1" ...
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0answers
43 views

Workaround bug#45038: 27.1; blank display

My setup: Emacs 27.1 under Ubuntu 20.04 from Kevin Kelley's PPA, and configured to use ligatures with the JetBrains Mono fonts, as described here. I experiencing Bug#45038 27.1; blank display, or ...
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1answer
59 views

How to get the display dimensions of the display emacs is in?

I tried querying the display width using: (display-pixel-width) however this reports the pixel width of my external monitor instead of the laptop's display, where emacs is. Is there a way to show the ...
3
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0answers
37 views

How do you force the width of a fallback font to be the same as the one of the main font, assuming monospace fonts?

I use Emacs with monospace fonts, and I would like all the characters to have the same width, which is the purpose of monospace fonts. The issue is that the main font may not support all the ...
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1answer
53 views

Display Δ in the *Shell Command Output* Buffer

I have a shell command I'm running from Emacs that has a Δ character in its output. How can I configure the *Shell Command Output* buffer to display UTF-8 by default? edit: There could also be ...
1
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1answer
30 views

How to print escaped characters with princ

When Emacs shows an integer value in the minibuffer, or as an output to IELM, it shows three representations of it -- octal, hex and as character: ELISP> 10 10 (#o12, #xa, ?\C-j) This is really ...
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0answers
39 views

Is it possible to add visual padding around a character?

Is it possible to add visual padding around a variable width character (generally too, I suppose)? I've looked into using propertize and buffer-display-table to accomplish this, but every solution ...
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0answers
24 views

Incorrect pixel count returned on retina display

I am running Emacs 26.3 on a 15" MacBook Pro with Retina display. While Emacs renders razor sharp on my screen, it does not seem to be aware of my correct pixel count. E.g., #+BEGIN_SRC emacs-lisp (...
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2answers
66 views

Always show the last lines with a lower indentation than the first line that's visible in a window

I often find myself scrolling up in a code file to see which context I am in (class/method definition, yaml-key, etc). It would be super handy if I could somehow "freeze" the last lines of each ...
1
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1answer
53 views

Connect open and close delimiters with a line

I wonder if emacs has something similar to this VSCode extension (Bracket Pair Colorizer 2) which does the following (screenshot below) which I find is a really helpful UI enhancement [ In the above ...
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1answer
75 views

Set Consistent line spacing, irrespective of bold or underlines etc

I current have set the current line number face to be bold: `(line-number-current-line ((,class (:foreground "#4F4F4F" :background "#00CC00" :bold t)))) When I move the cursor between lines, there ...
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1answer
55 views

Disable coloring of text in operations in emacs -nw, during operations like searching

I'm using gnu emacs as emacs -nw in a terminal window. Colored text is usually almost completely illegible for me. As recommended in this answer, I have done the following in an attempt to get rid of ...
1
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1answer
142 views

Uneven line numbers with display-line-numbers

Emacs for some reason did not vacate equal spaces for each line number, So the lines were starting at different places which made it harder to keep track of alignment. It wasn't just the relative mode ...
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2answers
248 views

Remove dollar sign at beginning of line

In emacs when I scroll right and beginning of lines are truncated emacs inserts dollar sign same as it insert \ at the end of truncated line. I wish it would not insert these two signs. Can I disable ...
6
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1answer
2k views

How to change line-number gutter width using display-line-numbers mode?

I am using (global-display-line-numbers-mode 1) in my init.el file and everything is working as expected. The only problem is that I find the gutter width to be too wide and would prefer it to match ...
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0answers
366 views

Adding Purpose to Layout Of Emacs

The rigidity to which emacs adheres to its layout is annoying at times. How can i get a layout like this when I shift to the particular modes? +------------------+-----------+ | | ...
3
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2answers
139 views

Move point inside of image overlay

I'm trying to create a realtime/WYSIWYG editor for LaTeX fragments -- the general idea is that at each move of point / edit of the fragment, the overlay should update to reflect the newly changed ...
2
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1answer
348 views

Replacing a string with symbols using font-lock?

I'm trying to make a font lock hook to replace strings of text for a mathmatical notation plugin. So I'm thinking " / " (note the spaces) will turn into " ÷ ", but "/" won't. (It's a package mainly ...
2
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1answer
97 views

Fastest way to draw pixels in Emacs

I'm currently working on a CHIP-8 emulator. This platform requires me to draw 64x32 black/white pixels, ideally at a speed between 30 and 60 frames per second. There's an extension to it that ...
1
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1answer
77 views

How to display a character reversed?

I know about compose-region and have used it for other purposes, but am trying to figure out how to display a character reversed. like transforming c to ↄ. Is this possible?
2
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1answer
84 views

Automatically toggle external display profile

Apologies I know this will seem pedestrian -- please forgive me, I'm a newbie. I have low vision, so I'd like to automatically toggle different "display profiles" based on whether there is an external ...
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1answer
104 views

Has Emacs same tool as “screen” in Linux? [closed]

Linux Ubuntu, Emacs 26.1 I use tool "screen" in Linux. It's very comfortable. Has Emacs any some kind of tool?
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0answers
56 views

Is it possible to have buffers in layers?

In Emacs, can you get something like the following: 10 |int foo() { 11 | int a = bar(); 12 | 30 |int bar() { 13 | 31 | return 10; 14 | 32 |} 15 | // Bar.h // Foo.c The idea is that instead of ...
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1answer
71 views

Making Emacs show the last part of bash-command output

I use the Evil mode inside Emacs for doing a lot of my work. If I need to run a shell-command and see its output all I need to do is type in normal mode :!<bash command>. The window splits into ...
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0answers
225 views

Adjusting to screen resolution changes on GNU/Linux/ubuntu/gnome

I'm running emacs 26.1 on ubuntu 18.04 on a Dell laptop with a high-resolution display. It works very well in that configuration. It also works very well when the laptop is plugged into a lower-...
3
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0answers
94 views

Calculate current-column including display properties

I am trying to calculate the width of text within either a buffer or a string after it has been displayed, i.e. after taking into account the width of any display properties, such as embedded images, ...
4
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1answer
104 views

Width of string as if it were displayed

From the documentation of string-width string: This function returns the width in columns of the string string, if it were displayed in the current buffer and the selected window. For me this ...
4
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2answers
675 views

How can I find non-displayable unicode characters in a buffer?

I mean these: I'd like to remove them, so I'm looking for a function which can find all these characters in the buffer which cannot be displayed properly with the current font and therefore show up ...
9
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1answer
1k views

Org mode: is it possible to display ONLINE images?

Assuming I want to have an org buffer in which I can preview images from url which I don't want to store on my hard drive - is there a possibility to use a solution similar to org links and display ...
2
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0answers
543 views

Can't display images in org-mode

I am on MacOS High Sierra, iterm2; I cannot find how to display images in org-mode. My term supports image display as imgcat works well within my shell. When I try to open the image link in emacs it ...
2
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1answer
64 views

Preventing syntax highlighting in the wrap-prefix

When Emacs wraps long lines, is there a way to prevent the wrap prefix from having syntax highlighting (font-lock) or any such special properties? Specifically, I have the following settings: ;; ...
1
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1answer
217 views

Weird TeX syntax highlighting issue

I running Emacs 25 on Debian 9.0 stretch. The version is 25.1+1-4+deb9u1. I have a local copy of AUCTeX installed via Melpa. The relevant line in M-x list-packages is: auctex 11.88.3 ...
4
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1answer
358 views

Show included text inline, like with org-display-inline-images

Goal In org-mode, you can include parts of other files during export with the keyword #+INCLUDE. I would like to be able to view the included files in-line in the current buffer (and maybe even edit ...
2
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0answers
173 views

Setting primary frame across displays on MacOS

I am working with 2 emacs frames, one on my laptop monitor (1) and the other on a larger external display (2). Whenever I switch between applications, e.g. between shell and Emacs, the Emacs cursor ...
1
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0answers
330 views

How to use Org pretty math expressions with clipboard?

Using org-toggle-pretty-entities, org-mode will convert text like ∫_ℝ f(x)dx = 1 ∑^N_{i=1} x_i to But if I want to copy that text to an outside application, it just shows up as it was originally ...
1
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1answer
149 views

How to put a right arrow above a Latin letter?

I want to write: ⃗E, I tried to C-x 8 <RET> COMBINING RIGHT ARROW ABOVE <RET> E it is displaying in Emacs like: I want to use Unicode (without Tex). EDIT in reply to Drew's comment: What ...
1
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1answer
123 views

Display devanagari characters

Running Emacs 25 on Kubuntu 17.10. I am able to enter text in devanagari script but it does not dispaly correctly in the editor. For instance, the text entered as: क का कि की कु कू के कै को कौ कं कः...
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0answers
25 views

Can I display a character as if rotated?

Suppose that I'd want to display a character as if rotated by 90 or 180 degrees in Emacs. Is there a way to go about that?
1
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2answers
127 views

Longer flashing of search string during multi-file searches

When the cursor is in the *xref* buffer, following dired-do-find-regexp, the found string in the adjacent frame flashes, but too briefly, making it quite hard to see. A simple solution is to increase ...
4
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1answer
662 views

prettify-symbols-mode and multi-character replacements?

With prettify-symbols-mode it is possible to replace strings by a character, or a character composition, e.g. ;; \lambda → λ (push '("\\lambda" . ?λ) prettify-symbols-alist) Optionally, it allows ...
3
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1answer
522 views

How can I eliminate the side effect of left margin?

I've set a left margin like this: (set-window-margins (get-buffer-window) 20 0) (let ((gutter-sep (concat (make-string (- (car (window-margins (get-buffer-window))) 2) ? ) "+"))) (propertize "." '...
2
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1answer
176 views

Stop Emacs from updating display

Sometimes a function will make the display blink and stutter, due do things happening in the background while the function is running (visiting other buffers etc). Does anyone know if there's a ...
1
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1answer
139 views

What is the mode or the command to selectively display selected region?

There seems to be a command to display only the text in the selected region, leaving the rest of the text hidden. What is the command?
5
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1answer
573 views

Prevent Emacs from resizing windows

After building a two column, 3 window layout with one tall column and two stacked equal sized shorter columns next to it, when I run commands like magit or ag that bring up a new buffer, often one of ...
1
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1answer
283 views

customize-face for display-graphic-p only

I run graphical GNU/Emacs on macOS and also emacs in Mac Terminal installed via Homebrew. I would like to customize the default face for only the graphical display. I used M-x customize-face default,...
2
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3answers
1k views

Hide mouse pointer while typing

Some programs, like many terminal emulators and gVim, hide the mouse pointer as soon as the keyboard is in use. Obviously, this is helpful when the mouse pointer happens to obscure some text behind it....
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2answers
226 views

How to troubleshoot and diagnose escaped-character display errors in Emacs shell?

I make much use of sub-shells within Emacs (initiated via M-x shell), and, because of this, I run into problems like the one illustrated1 below way too often: $ python -m pdb /tmp/hello_world.py [2] ...
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0answers
209 views

Possible to modify 'whitespace-display-mappings' at runtime?

Making changes to whitespace-display-mappings while emacs runs doesn't seem to do anything. (setq whitespace-display-mappings '( (space-mark 32 [183] [46]) ; middle-dot (tab-mark 9 [9654 9] [...
8
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4answers
1k views

Showing bytes as hexadecimal escapes rather than octal escapes

Short version: Can I make Emacs show \ff or \xff instead of \377? Long version: Suppose you open a file that is not entirely text and has some binary data (say a PostScript or PDF file). For example, ...