v2: TUI UI – "higher level" abstractions #131
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robbielyman
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Jun 20, 2024
event listeners may now optionally return a second value;
all non-nil values will be presented to the caller of
`seamstress.event.publish` as an array. (this is cribbed very heavily
from mediator_lua.) in the case of `{ 'tui', ... }` events raised by
seamstress itself, if any of the returned values are truthy, a draw
event is triggered. by default, the last responder (priority 0) to
`draw` calls `seamstress.tui.renderCommit` to actually push the
updated cells to the terminal.
this commit adds `Timer` to the Lua layer, similar to `metro` from
norns / seamstress 1. some differences: no new threads are spawned, so
there is no limit on the number of timers. the timer has not gone back
to sleep during the callback, so `pattern_time`-style dynamic timers
should be much simpler to program. the type is entirely implemented in
Zig, (yet memory is fully Lua-owned) so there is no actual `timer.lua`
file. `seamstress.update` is available as a timer which will spawn an
update-into-possible-draw event when enabled.
this represents partial progress towards #131.
robbielyman
added a commit
that referenced
this issue
Jun 20, 2024
event listeners may now optionally return a second value;
all non-nil values will be presented to the caller of
`seamstress.event.publish` as an array. (this is cribbed very heavily
from mediator_lua.) in the case of `{ 'tui', ... }` events raised by
seamstress itself, if any of the returned values are truthy, a draw
event is triggered. by default, the last responder (priority 0) to
`draw` calls `seamstress.tui.renderCommit` to actually push the
updated cells to the terminal.
this commit adds `Timer` to the Lua layer, similar to `metro` from
norns / seamstress 1. some differences: no new threads are spawned, so
there is no limit on the number of timers. the timer has not gone back
to sleep during the callback, so `pattern_time`-style dynamic timers
should be much simpler to program. the type is entirely implemented in
Zig, (yet memory is fully Lua-owned) so there is no actual `timer.lua`
file. `seamstress.update` is available as a timer which will spawn an
update-into-possible-draw event when enabled.
this represents partial progress towards #131.
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renderevents periodically. render events should instead be requested by Lua.seamstress.update.time = 1/60should request that seamstress emit anupdateevent at 60Hzmaking the value 0 or negative cancels the timer_, truefromupdate, a{ 'tui', 'draw' }event is emitted{ 'tui', 'draw' }if any of them return_, truepublish?seamstress.tuiPanes contain other primitives and provide relative coordinatesButtons respond to click events by calling a functionTabs stack PanesThe text was updated successfully, but these errors were encountered: