Ok. I had time to take a look at the Glade file and the code.

The current width-request for source_window is set to 1000 pixels. And 500 pixels for help_window. The total is 1500 pixels (excluding window border) which is above 1366 pixel width of common displays and above 1024 pixel of OpenQA test. Reducing the former to 800 pixel and the latter to 450 pixel makes it look good on 1366 pixel width displays. But most probably not on Open QA. We simply have too much data to display.

The current height-request for main_window is set at 800 pixels. This is why the "Quit, Save Changes" and "Save and Exit" buttons do not show on 1366x768 displays as well as Open QA 1024x768 virtual display test. I suggest reducing it to 700 pixel as it looks good. This would also enable maximizing on the mentioned displays.

My other findings

• Adding 10 pixel border-width to help_viewport makes it look very nice.
• Maximizing on launch might be a good idea. As the program packs a lot of information and launching it maximized makes it comfortable. User could still un-maximize or resize the window.

PR Submitted. Please let me know which points could be agreed, rejected or amended. Here is the screen snapshot of program with the applied changes (so far):