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raspiblitz/home.admin/BlitzTUI/docs/tutorial.md
Robert Habermann 029dcb9087 add BlitzTUI files (based on PyQT5)
2019-11-15 21:25:12 +01:00

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BlitzTUI Mini-Tutorial

This Mini-Tutorial shows the basic workflow for doing changes to the Blitz-Touch-User-Interface.

What you need

  • A physical RaspiBlitz and SSH access to it (to verify your changes on the real screen)
  • A Computer (Mac and Windows should work)
  • The "Qt Designer" software (https://build-system.fman.io/qt-designer-download)
  • A copy of the current RaspiBlitz codebase (git clone https://github.com/rootzoll/raspiblitz.git)

Scenario

Let's assume you want to reduce the width of the button row on the left side.

  • Open Qt Designer
  • Load the .ui file: home.admin/BlitzTUI/designer/home.ui

Your screen should look similar to this:

Qt Designer

  • (1) for this scenario go to the Object Inspector and select splitter
  • (2) change the Width (e.g. from 80 to 60)
  • (3) this should be reflected in the preview Window
  • (4) save your changes

The next step is to transfer (use scp or WinSCP) the updated home.ui to the RaspiBlitz.

Login to your RaspiBlitz as admin (Password A) and change the directory to ~/raspiblitz/home.admin/BlitzTUI.

Your updated home.ui file should be in designer/ (confirm timestamp with ls -l designer/home.ui).

Run make build-ui

To quickly check the result run

sudo -u pi DISPLAY=:0.0 LD_PRELOAD=/usr/lib/arm-linux-gnueabihf/libatomic.so.1.2.0 /home/admin/python3-env-lnd/bin/python3 /home/admin/raspiblitz/home.admin/BlitzTUI/blitztui/main.py

You can also install the current directory as a python package using pip install -e . and the run

sudo -u pi DISPLAY=:0.0 LD_PRELOAD=/usr/lib/arm-linux-gnueabihf/libatomic.so.1.2.0 /home/admin/python3-env-lnd/bin/blitz-tui