Questions tagged [gui]

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

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i wanted to use an android phone to dispose of a portable display powered over usb. But neither the ssh or the Gui are working>

So as I said, I do not have an actual display or monitor for my raspberry pi 3. That's why I wanted to use an old android phone (htc desire 500) as a display. That for I followed a tutorial (very ...
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1answer
486 views

What are the clock codes?

In Raspbian in the upper right hand corner there is a clock and when you right click it and select clock settings there is a field for clock format codes and changing this field will display the clock ...
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1answer
1k views

Appearance Settings and PiX theme missing

I upgraded to Jessie using this guide but the /usr/share/themes/PiX directory is missing. I also do not see Appearance Settings in the Preferences menu, which I believe is somewhat linked to the new ...
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1answer
185 views

PiTFT - How do I have access to the PuTTy terminal while the GUI is running?

I am connected to the RPi via SSH with PuTTy To start the GUI on the PiTFT I run the following command on the PuTTy terminal: FRAMEBUFFER=/dev/fb1 startx -- -dpi 60 Now, I want to use the PuTTy ...
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2answers
5k views

Creating GUI window visible above RPi Cam preview window

I'm trying to display a window using Tkinter above (topmost) to the preview window displayed when running raspivid, but I'm unable to do so. Python Code: from Tkinter import * root = Tk() root....
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1answer
715 views

Kivy, KivyPie and PiTFT [closed]

I am developing application which must be very user-friendly. For fast prototyping, I made application via wxPython but it's appearance was not that good. So I decided to change my tool and Kivy ...
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1answer
27k views

How to set up LightDM in Arch Linux?

I have been running through methods of installing and configuring lightdm as according to the Arch Wiki (In order to try out the available cinnamon desktop), but I have had no luck in getting the ...
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1answer
1k views

How to run pygame window on vnc remote desktop?

I have a very simple pygame based script, mainly handling keyboard input and some sounds. The display is mostly useless. I would like to run the script without a display, using vnc(using TightVNC now)....
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1answer
300 views

Graphic interface with Arch ARM/Debian on RPI

I am a student and my laptop just broke. Due to my lack of money I am thinking to buy a RPI. What I wonder is how well a graphical interface would run on RPI if I install Arch Arm or Debian. The ...
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1answer
605 views

Desktop Mode problems

I have run into a quite puzzling problem. I was fiddling around with the raspi-config settings, and I decided that I'd try running my RPi once with boot_behaviour set on Desktop Mode. Upon re-...
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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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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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14 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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0answers
206 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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162 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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23 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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34 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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337 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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1answer
157 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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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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0answers
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
900 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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95 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

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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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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298 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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1answer
32 views

Autostart, detect directory and open in standard GUI

I want to detect the existence of a (directory on a) USB drive (/media/pi/Music), wait for it to appear, then open it in the GUI. Using xdg-open /media/pi/Music in ~/.config/lxsession/LXDE-pi/...
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0answers
46 views

Running Pascal application on Raspberry Pi without desktop environment [duplicate]

I am developing a GUI for an embedded Raspberry Pi. To make the Pi run faster and to be more efficient, I was thinking about deleting the default desktop environment from Raspian Stretch. My question ...
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3answers
850 views

Coding a GUI in python and driving stepper motor by user input

I am hoping to use my Raspberry Pi 3 in a senior project for my mechancical engineering program. I want to use the pi to drive a vice like fixture to predetermined positions by connecting a stepper ...
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0answers
185 views

Edimax WLAN working, but GUI indicates “No wireless interfaces found”

I am successfully using an Edimax WLAN USB stick which I have manually configured by editing etc/network/interfaces to use a static IP address; everything works as expected (other computers can be ...
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1answer
2k views

How to solve blank screen issue on Raspberry Pi GUI?

It's my third day with my Raspberry Pi. I do know Linux. I am all good with using SSH with my Raspberry Pi but I do need a GUI sometimes. I tried installing vncserver, tightvncserver and now xrdp but ...
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1answer
68 views

I am searching for a command for the terminal that will close the GUI and open the CLI

I am searching for a command for the terminal that will close the GUI and open the CLI. I am aware of the key shortcut to get there but am trying to create a shortcut that will run a program from CLI
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2answers
871 views

Why Raspberry suddenly stopped supporting GUI?

I have a raspberry pi 3 (model B+) with rasbian OS . Suddenly, after boot I can't get to the desktop interface. Only the command line is supported. I have tested it with another SD card and gui works. ...
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0answers
3k views

Python Tkinter GUI lagging with While loop in main loop

When I run the code with the while True: loop included within the root.mainloop() it is making my GUI lag heavily and the code does not run as smoothly as I would like. I am wondering how I make my ...
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0answers
132 views

Raspberry Pi 3 freezes after GUI Python program is minimised/closed

I am using the Raspberry Pi 3 alongwith its 7-inch screen. I have developed a software that shows real-time temperature on the screen alongwith some other functions. The software runs fine without ...
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1answer
495 views

GUI not showing symbols in Raspbian Jessie

I downloaded Raspbian Jessie (with Pixel) from raspberrypi.org and installed it to my SD-Card via the dd command like specified in the installation guide. Now I wanted to use the GUI, so after ...
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1answer
791 views

How to use cusom fonts with the Raspberry Pi (using Qt Quick)?

I'm using EGLFS for graphics (via Qt Quick), and the only font there seems to exist is a very ugly serif font. I downloaded OpenSans, copied it into usr/local/share/fonts, but it doesn't work. ...
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1answer
672 views

GUI on Raspberry Pi cluster

I was thinking of building a small cluster (due to the small price) but i want to know if i can get a gui (like xfce or lxde) to run o the master/ host or whatever.
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0answers
11 views

Taskbar flashing white after firmware update (4.4.7v7+) [duplicate]

I'm running an RPi 2 B and just updated my firmware (to 4.4.7v7+ #877), and now the taskbar (or what should be the taskbar), is just a flashing white rectangle. I've tried rebooting a few times with ...
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4answers
1k views

boot up rasbian into gui program, no interaction

I have a project I want to do, and I got an SPI touch screen (tontec 3.5") for it. I want to start up into some sort of GUI application. I only have roughly 950mb left on my micro SD (8gb, install ...
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1answer
258 views

run basic file explorer with fix file in raspbian jessie lite the os without gui,

I would like to run a File explorer or a simple GUI without running the whole desktop gui. I want to use my Raspberry Pi as a simple dvd player, which run files by omxplayer command. video will be ...
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1answer
701 views

How can I download and install Numpy and Pandapower? [duplicate]

How can I Download and install numpy and pandapower on the RASPBIAN JESSIE LITE Minimal image based on Debian Jessie? the one without the GUI. And how can I download and install Pip and miniconda on ...
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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 ...
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votes
1answer
50 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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1answer
307 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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2answers
155 views

Which OS for my pi task?

I want to use my PI for a ventilation system front end. I want it to boot up into my own simple GUI written in something like TKinter. We have occasional power cuts in the village so it must be able ...
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2answers
272 views

Prevent file corruption in GUI on power loss

I made a digital frame with my photos which run on Libre Office. I'm faced with the following issue: If someone accidentally pulls out the Raspberry Pi the LibreOffice can not use the file anymore. ...
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1answer
452 views

Keyboard layout reconfiguration not working with raspbian

I'm using Raspbian and I'm trying to reconfigure my keyboard to another keyboard layout by following this post: Raspbian keyboard layout Then I rebooted by RPI. It changed the keyboard layout in ...
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1answer
222 views

GUI on Raspbian OS

I am in my last year project dealing with raspberry pi that has the ability to record voice with my single tap on its touchscreen. I already knew how recording and playback works, what i really want ...