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Questions tagged [gui]

The Graphical User Interface, or GUI, allows the user to interact with images rather than text.

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16 views

Need different default keyboard settings for different users

I set up Raspberry Pi 4 workstations with Raspbian Buster for a school library and want to use a different keyboard setting for the root account. Now it seems to me that I can only change the ...
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41 views

Lubuntu-desktop on Raspberry Pi 4 (4gb) 19.10 ARM64

When I flash the arm64 image onto one of my Raspberry Pi 4B (4gb ram) from here (64bit version: https://ubuntu.com/download/raspberry-pi) and then do an install via apt of lubuntu-desktop, it gives me ...
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37 views

ElectronJS on RaspberryPi3B - Gtk-WARNING **: cannot open display:

I am trying to develop an ElectronJS GUI application on the RaspberryPi3B with the standard 7" touchscreen connected. Currently, I have Raspbian Buster Lite and I use SSH to connect to the Pi. I ...
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88 views

Error when creating Python GUI using Tkinter: “no display name and no $DISPLAY environment variable”

last few days I've been working to create a GUI using Tkinter This morning my code still worked, but now it crashed with said error: Traceback (most recent call last): File "TKtest.py", line 3, in &...
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2answers
39 views

Distros with a keyboard-only gui

I was wondering if a distro exists that's keyboard-only friendly. Not terminal only, just kind of minimalist and doesn't use a mouse.
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1answer
119 views

Video playback on Raspberry Pi 3

I have a raspberry pi 3 connected to one of my TV's HDMI inputs. I've installed VLC, but videos won't play. The image will hang and the audio will continue to play in the background. Regardless of ...
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21 views

Disabling auto-login after it was once enabled during build

I am running Ubuntu 16.04.6 LTS ( Mate, built with ubuntu-mate-16.04.2-desktop-armhf-raspberry-pi.img ) When I initially built this, I enabled the auto-login when going through all the initial ...
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2answers
120 views

Octave is not working in raspbian

I am using Raspberry Pi 4 for one month. I installed octave today by writing sudo apt install octave It installed correctly. But the gui is not working. I can only use it with terminal . But when I ...
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17 views

Why does Start X oversizes content for PiTFT display?

I have a raspberryPi zero running Raspbian-lite and Im using the solution that is given to this question to create a kiosk type application, that startsX on boot and uses the open box window manager ...
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1answer
103 views

Is React / Web or Python the way to create UIs for Raspberry Pi kiosks?

I'm more of a full stack developer than anything so I've naturally just made chromium full screen on boot and hosted a web page for UI on raspberry kiosks. My question is that if this approach is ...
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1answer
53 views

Newcomer to RPi from web developing (HTML/CSS/Javascript). Do I have any advantages? [closed]

I'm looking to get in to the wonderful world of RPi. I can make a website with HTML/CSS/JavaScript/PHP so does that give me any kind of advantage over a true RPi newbie? For my first project I'd like ...
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282 views

Simulate a mouse click in python tkinter

I have a tkinter GUI running on a Pi 3B+ with a 5" tft touch screen display. I am writing my own touch screen driver. The GUI works when I mouse click on a button that is bound to Button-1. self....
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1answer
50 views

a python GUI application to display some measured value (with Raspberry Pi)

I am developing a GUI (with python tkinter) application for a measurement system with Raspberry pi. I made the GUI and the code to do the measurement. But my question is how to link them together. ...
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2answers
487 views

RASPBERRY PI Error Python GUI : “no display name and no $DISPLAY environment variable”

Hi guys I want to create a basic GUI with TKinter. This is my code from tkinter import* import tkinter.font win =Tk() win.title("Test") myFont = tkinter.font.Font( family = 'Helvetica', size = 12, ...
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240 views

Configure chromium display on a pseudo-headless Raspbian

I'm using my raspi as a mini meteo station which (for now) only measure humidity and temperature, and I want it to display those infos on a little screen. Considering technologies I can handle, the ...
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1answer
222 views

grab_set issue with tkinter toplevel window

I'm having an issue with the grab_set command when opening a toplevel window on my Pi. I'm using a grab_set to disable the screen below the toplevel and releasing it on close of the window. I doesn't ...
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0answers
34 views

GUI Button Highlight

I'm having an issue with the highlight of the buttons on a GUI that I created with tkinter. When I run the GUI on my windows machine and the cursor is over the button, the button is not highlighted ...
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26 views

PyGame GUI hidden by program

I am working on creating a graphical program to display two lines of text (a big message and a small message) on my Raspberry Pi Touchscreen using the module pygame. In the basic terminal, I can pass ...
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2answers
1k views

PyQt5 not found by Python3.7

I installed Python 3.7 on my raspberry pi with the help of Installing Python 3.7.0 on Raspbian tutorial and wanted to use it to start my script which uses PyQt5 but its throwing a ModuleNotFoundError. ...
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35 views

rasberrypi gui using python 2.7

I'm trying to host run a GUI program on my pi using ssh. but I get this error: App(Tkinter.Tk(), "window name") NameError: name 'Tkinter' is not defined. however when I type "import Tkinter" in pi ...
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0answers
37 views

Command to open Wireless and Network Settings GUI?

I want to add a button on the Main menu to open the Wireless and Network Settings control panel. I am using Raspbian Jessie with all the defaults, aka lxpanel. I'm using the RPi0W The reason why I ...
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0answers
182 views

Raspbian Stretch doesn't show any display on boot

I installed the image of raspbian stretch (version: 9) on an SD card and mounted the card on the Raspberry Pi. On first boot the display came up and the initial setup was done. In addition to the ...
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2answers
374 views

Can't boot into desktop GUI

I have a Model 3 B+, and I used Etcher to flash Raspian onto a 32GB SD card. I can SSH in to use the terminal, but I can't boot into the GUI. I went into the config and adjusted the Boot Options to ...
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367 views

VC4 — GL setup not working

I am trying to run chromium as weston-client using ArchArm on a RPI 3+ b, but I am unable to make it use GL. Setup: Basic »AArch64« installation as described here Package Installation: wayland ...
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0answers
28 views

Bash Script wont launch GUI at startup [duplicate]

I need to launch a couple programs on startup, and I wrote a bash script to do so as follows: #!/usr/bin/env bash echo "Starting up" >> "/home/pi/Desktop/startup-log" CONTROLS_DIRECTORY="/...
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1answer
371 views

Need help running games on a pi

Looking to get a raspberry pi to make a portable games console like the switch for my family. It needs to be portable which is why I am using a pi, but I want to run games that are downloaded onto the ...
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1answer
177 views

Python script loads on startup with a GUI, but none of the fonts load with it

I'm working on integrating my raspberry pi into a car display that shows some OBDII readouts. However when I auto start my python script none of the fonts get loaded and it looks like this: However, ...
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2answers
251 views

Automatic shortcut execution on boot

I want to achieve following: run my GUI (made in Tkinter interface) application automatically as I boot the RPi (i.e. no desktop screen loading). But I want to be able kill the application so I can ...
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1answer
21 views

ldtp linux desktop testing platform and raspbian

is using ldtp on raspbian possible using a language such as perl to control the gui? i currently automate the win32 chrome browser gui using perl (win32::guitest) and would like to use a pi instead. ...
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1answer
88 views

Run Java Swing GUI on boot

I have a Java Swing GUI that needs to be run on boot. Tried adding a shell script (which starts the program) in config/lxsession/LXDE-pi/autostart : @sh script.sh script.sh: export DISPLAY=:0.0 ...
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1answer
387 views

Reading Real-Time Temperature of Raspberry Pi in Guizero

Is there an option to display Raspberry Pi's internal temperature value to be able to display it into Guizero UI? I saw this source code on GitHub, but this only displays random float numbers in the ...
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135 views

Having trouble on one of the raspi official projects “getting started with GUIs”

I have raspi 3, and working on "Getting started with GUIs". I am currently on this page (https://projects.raspberrypi.org/en/projects/getting-started-with-guis/11) and having trouble at the line ...
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1answer
392 views

Raspian gui unable to log in

I'm new to Raspbian. I started the GUI for the first time (following a fresh install) using the instructions found here: How to set my Raspberry Pi to boot into the GUI? and the command: sudo apt-...
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1answer
497 views

Touchscreen GUI with control loop

I'd like to create a fullscreen-GUI on my Pi's 7"-touchscreen and I think this would be pretty easy to accomplish if I just wanna have some GUI that let's me click some buttons to control some GPIO-...
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20 views

Text on GUI Missing

Using the latest version of Raspbian as of this writing, on a RasPi 3 B+, suddenly the text no longer shows on many GUI objects, such as some tooltips, some context menus, Chromium tabs, the Package ...
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1answer
982 views

Help with choosing a GUI library for RPI developpement

I am currently coding an app for Raspberry Pi, the app is very GUI dependent. During my research i saw online that tktinker is good for small/simple apps. I got really excited for PyQt but found out ...
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1answer
605 views

qtdesign-UI using PyQt5 is not showing images on raspberry

My ui created in qtdesign is not showing the images on raspberry pi 3B+ with LCD-screen. I added them to the ui via the resource and in qtDesign5 they do show up. I have tried to add the image as ...
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1answer
3k views

The size of the font, icon, and everything else in GUI of RPi

I'm a noob here, and I'm struggling before even starting to code anything. My RPi's gui shows everything really tiny. Is there any way I can make things bigger, including the font size, icon size, and ...
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0answers
683 views

Difference between Thonny and Python 3 (running some code)

I'm just starting with the pi and to be more clear I'm spending time working with the Raspberry Pi Workshop for Beginners series on Youtube.To write an run code we use the Python 3 IDE but I don't ...
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0answers
100 views

How to execute a GUI program at boot time?

I am running stretch lite on Raspberry pi 1. I have a Gambas program which generates a GUI screen. This should happen without manual intervention like keyboard or mouse 1.I require the program to ...
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1answer
1k views

GUI on an E-Ink display?

I'm currently working on a horticultural project with my Raspberry Pi. I have a fair amount of my project sorted out but still have a rather major part of the project to undergo which is the ...
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1answer
1k views

Replace PIXEL with Electron App

Is it possible to only have one full-screen application run without the PIXEL desktop environment on the current Raspbian Stretch Lite? So basically, replace PIXEL with a regular desktop GUI ...
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0answers
30 views

user made GUI on booting of Rpi3

I have a rpi 3 board. I am new to this field, I have a GUI developed in Visual studio on windows platform, i am able to run its .exe on Rpi board using mono, now i want to boot rpi such that it should ...
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0answers
331 views

Raspberry PI HMI

Is it possible to make a Raspberry Pi 3 into a functional HMI for an instrument or set of PLC devices(I usually control remote devices through TCP unless I build the HMI into the unit's case)? I would ...
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2answers
140 views

How to save session in Raspberry Pi?

I am currently running Raspbian on Raspberry PI 3 and the SD memory card I've been using as hardrive on my pi is somehow got damaged probably from using it for a very long time. Whenever I boot or ...
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1answer
117 views

How to set time display, and add $(hostname)

I know that in order to modify the time display this is the menu selection: and here is my current favorite: BUT, when I try to add $(hostname) just like it would work in echo $(hostname), it shows ...
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1answer
4k views

GUI wifi manager for Raspberry Pi

Is there a library that gives GUI to setup the wifi with Raspberry Pi ?. This is what I want to do :). Once the Raspberry Pi is connected to a power source, I want it to automatically start GUI ...
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2answers
3k views

Run Qt Application on Startup [duplicate]

I want to make my qt project run while booting raspberry pi3. When I searched on the web there is a solution for python. Eventhough I put some code on rc.local, this did not solve my problem. The ...
2
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2answers
531 views

How to start an app without windows manager

Hi sorry for the answer I´m very inexperienced in Raspbian, just started to use the pi a few weeks ago, I need to start an app developed with Qt in C++, it has a GUI, this app has strict timing ...
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0answers
2k views

Install a Git Client with GUI [closed]

I known using git on the command line is the prefered method by a lot of Linux users. But has somebody have successfully installed and used a Git Client with GUI on a RPI2 / 3 with raspbian ? I am ...