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Alternate screen buffer #244

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Alternate screen buffer #244

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Commits on Feb 16, 2024

  1. initial support for the alternate screen buffer 

    Which works by adding an additional vscrn called VTERM_B which is semi-independent from VTERM (now called VTERM_A) - it has its own video buffer, but it shares its event queues with VTERM_A and any settings that are applied to VTERM_A also get applied to VTERM_B.

I don't particularly like the scale of these changes but at this stage it seems like the simplest way to achieve this. Before merging its probably worthwhile exploring some other options just in case.

There is also at least one outstanding bug related to the background colour not being applied properly to the main buffer when the window is resized on the alternate buffer.
    @davidrg
    davidrg committed Feb 16, 2024
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  2. Merge branch 'xterm-emu' into alternate-screen-buffer

    @davidrg
    davidrg committed Feb 16, 2024
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