DBC Viewer is a graphical user interface (GUI) application for loading, viewing, editing, and saving DBC (DataBase CAN) files. The application is built using Python's tkinter library for the GUI and cantools for handling DBC files.

• Load DBC File: Load and display the content of a DBC file.
• Save DBC File: Save the modified DBC file.
• Add Signal: Add a new signal to the DBC file.
• Delete Signal: Delete an existing signal from the DBC file.
• Edit Signal: Edit the properties of an existing signal.
• Copy Signal: Copy an existing signal.

1. Run the application:

   python main.py
   

2. Load a DBC file:

   • Click on the "Load DBC File" button.
   • Select a DBC file from the file dialog.

3. View DBC content:

   • The content of the DBC file is displayed in a table format.
   • Each row represents a signal within a message.

4. Edit a signal:

   • Double-click on a signal row to open the edit window.
   • Modify the properties and click "Save" to apply the changes.

5. Add a new signal:

   • Click on the "Add Signal" button.
   • Fill in the properties in the new window and click "Add".

6. Delete a signal:

   • Select a signal row and click on the "Delete Signal" button.

7. Copy a signal:

   • Right-click on a signal row and select "Copy" from the context menu.
   • A copy of the signal will be added with _copy suffix in the name.

8. Save the DBC file:

   • Click on the "Save DBC File" button.
   • Choose the location and name for the new DBC file.

• main.py: The main script containing the DBC Editor class and application logic.
• requirements.txt: The file listing the required Python packages.