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feat(render): direct renderer #2

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yves-biener merged 6 commits from non-alternate-screen-rendering into main 2026-01-20 23:15:26 +01:00
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Author SHA1 Message Date
yves-biener bfbe75f8d3 feat(inline): rendering without alternate screen
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Fix issue with growth resize for containers with corresponding
borders, padding and gaps.
 2026-01-20 23:09:16 +01:00
yves-biener 89517b2546 fix: add newly introduced parameter for App.start function to all corresponding usages 2026-01-20 15:16:10 +01:00
yves-biener a71d808250 add: .line core event for line contents in non *raw mode* instead of .key core events 
The end of the `.line` event received contents is highlighted by a trailing newline
(which cannot occur before, as that triggers the line event itself).

Add signal handler for SIGCONT which forces a `.resize` event that should re-draw the
contents after continuing a suspended application (i.e. ctrl+z followed by `fg`).
 2026-01-20 15:11:19 +01:00
yves-biener 97a240c54d mod: example shows how dynamic sizing is achived that can be independent form the reported terminal size 
Setting the cursor with the `Direct` handler will cause the rendering
to halt at that point and leave the cursor at point.

Due to not enabling *raw mode* with the newly introduced `App.start`
configuration options corresponding inputs are only visible to `zterm`
once the input has been completed with a newline. With this it is not
necessary for the renderer to know nothing more than the width of the
terminal (which is implied through the `Container` sizes). Making it
very trivial to implement.
 2026-01-20 13:57:55 +01:00
yves-biener c29c60bd89 WIP make example interactive 
Handle inputs as per usual (which however is a bit weak, is it goes through
key by key and not the entire line), batch all events such that all events
are handled before the next frame is rendered. For this the `App.start`
function needs to become configurable, such that it changes the termios as
configured (hence it is currently all commented out for testing).
 2026-01-20 11:54:28 +01:00
yves-biener 4a3bec3edc add: Direct Renderer implementation rendering the fixed size of the root Container 
A corresponding example has been added, which is very minimalistic as of now,
but will add further functionality to test the corresponding workflow that is
usual in `zterm` such that it in the best case only a swap in the renderer to
switch from alternate mode drawing to direct drawing.
 2026-01-20 11:28:37 +01:00