Feat/cancel page

[Robert0Mart]

Description

Select the type:

• Feature
• Bug fix
• Code refactor
• Documentation

BlocksScreen/lib/panels/mainWindow.py

• added run_gcode signal
• added cancel page

BlocksScreen/lib/panels/printTab.py

• added print_start signal

BlocksScreen/lib/panels/widgets/cancelPage.py

• added cancel page (if the printer state is cancelled opens)
  helper_methods.py:
• Add method to check if a process is running.
• Add method to calculate the SHA‑256 hash of a file.

BlocksScreen/lib/panels/widgets/jobStatusPage.py

• removed file name reset (so can be used outside)

Screenshots