zet.tlv: creating new zettels
This commit is contained in:
Kartik K. Agaram
parent
cf521f9904
commit
e827379950
211
zet.tlv
211
zet.tlv
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@ -876,3 +876,214 @@
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> end
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> return false, prose, cursor
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>end
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- __teliva_timestamp:
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>Wed Feb 9 17:55:52 2022
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menu:
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>-- To show app-specific hotkeys in the menu bar, add hotkey/command
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>-- arrays of strings to the menu array.
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>menu = {
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> {'j', 'child'},
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> {'k', 'parent'},
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> {'l/h', 'next/prev sib'},
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> {'e', 'edit'},
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>}
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- __teliva_timestamp:
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>Wed Feb 9 17:56:18 2022
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__teliva_note:
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>no need for chords once we drop the commandline
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update:
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>function update(window)
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> local key = curses.getch()
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> local curr = zettels[current_zettel_id]
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> -- graph-based navigation
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> if key == string.byte('j') then
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> if curr.child then
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> current_zettel_id = curr.child
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> elseif curr.next then
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> current_zettel_id = curr.next
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> elseif curr.parent and zettels[curr.parent].next then
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> current_zettel_id = zettels[curr.parent].next
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> end
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> elseif key == string.byte('k') then
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> if curr.parent then current_zettel_id = curr.parent end
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> elseif key == string.byte('h') then
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> if curr.prev then
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> current_zettel_id = curr.prev
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> elseif curr.parent then
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> current_zettel_id = curr.parent
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> end
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> elseif key == string.byte('l') then
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> if curr.next then
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> current_zettel_id = curr.next
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> elseif curr.parent and zettels[curr.parent].next then
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> current_zettel_id = zettels[curr.parent].next
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> end
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> -- screen-based navigation
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> elseif key == curses.KEY_UP then
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> if render_state.curr_h > 1 then
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> current_zettel_id = render_state.wh2id[render_state.curr_w][render_state.curr_h - 1]
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> end
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> elseif key == curses.KEY_DOWN then
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> if render_state.wh2id[render_state.curr_w][render_state.curr_h + 1] then
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> current_zettel_id = render_state.wh2id[render_state.curr_w][render_state.curr_h + 1]
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> end
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> elseif key == curses.KEY_LEFT then
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> if render_state.curr_w > 1 then
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> current_zettel_id = render_state.wh2id[render_state.curr_w - 1][render_state.curr_h]
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> end
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> elseif key == curses.KEY_RIGHT then
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> if render_state.wh2id[render_state.curr_w + 1] and render_state.wh2id[render_state.curr_w + 1][render_state.curr_h] then
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> current_zettel_id = render_state.wh2id[render_state.curr_w + 1][render_state.curr_h]
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> end
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> --
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> elseif key == string.byte('e') then
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> local old_menu = menu
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> editz(window)
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> menu = old_menu
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> end
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>end
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- __teliva_timestamp:
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>Wed Feb 9 18:00:42 2022
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menu:
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>-- To show app-specific hotkeys in the menu bar, add hotkey/command
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>-- arrays of strings to the menu array.
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>menu = {
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> {'j', 'child'},
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> {'k', 'parent'},
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> {'l/h', 'next/prev sib'},
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> {'e', 'edit'},
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> {'a/b', 'insert sib'},
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> {'c', 'insert child'},
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>}
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- __teliva_timestamp:
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>Wed Feb 9 18:16:23 2022
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zettels:
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>zettels = {
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> root="id1",
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> final=4,
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> id1={
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> data="abs\ndef",
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> child="id3",
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> next="id2",
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> },
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> id2={
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> data="ghi\njklm",
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> prev="id1",
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> },
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> id3={
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> data="cz",
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> parent="id1",
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> next="id4",
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> },
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> id4={
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> data="d",
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> parent="id1",
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> prev="id3",
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> }
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>}
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- __teliva_timestamp:
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>Wed Feb 9 23:04:49 2022
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new_id:
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>function new_id()
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> zettels.final = zettels.final+1
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> local result = 'id'..tostring(zettels.final)
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> zettels[result] = {}
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> return result
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>end
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- __teliva_timestamp:
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>Wed Feb 9 23:10:57 2022
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__teliva_note:
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>creating new zettels
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>
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>feels natural to immediately start editing them
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update:
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>function update(window)
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> local key = curses.getch()
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> local curr = zettels[current_zettel_id]
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> assert(curr, string.format('cursor fell off the edge of the world: %s', type(current_zettel_id)))
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> -- graph-based navigation
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> if key == string.byte('j') then
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> if curr.child then
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> current_zettel_id = curr.child
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> elseif curr.next then
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> current_zettel_id = curr.next
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> elseif curr.parent and zettels[curr.parent].next then
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> current_zettel_id = zettels[curr.parent].next
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> end
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> elseif key == string.byte('k') then
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> if curr.parent then current_zettel_id = curr.parent end
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> elseif key == string.byte('h') then
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> if curr.prev then
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> current_zettel_id = curr.prev
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> elseif curr.parent then
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> current_zettel_id = curr.parent
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> end
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> elseif key == string.byte('l') then
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> if curr.next then
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> current_zettel_id = curr.next
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> elseif curr.parent and zettels[curr.parent].next then
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> current_zettel_id = zettels[curr.parent].next
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> end
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> -- screen-based navigation
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> elseif key == curses.KEY_UP then
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> if render_state.curr_h > 1 then
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> current_zettel_id = render_state.wh2id[render_state.curr_w][render_state.curr_h - 1]
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> end
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> elseif key == curses.KEY_DOWN then
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> if render_state.wh2id[render_state.curr_w][render_state.curr_h + 1] then
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> current_zettel_id = render_state.wh2id[render_state.curr_w][render_state.curr_h + 1]
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> end
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> elseif key == curses.KEY_LEFT then
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> if render_state.curr_w > 1 then
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> current_zettel_id = render_state.wh2id[render_state.curr_w - 1][render_state.curr_h]
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> end
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> elseif key == curses.KEY_RIGHT then
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> if render_state.wh2id[render_state.curr_w + 1] and render_state.wh2id[render_state.curr_w + 1][render_state.curr_h] then
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> current_zettel_id = render_state.wh2id[render_state.curr_w + 1][render_state.curr_h]
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> end
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> --
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> elseif key == string.byte('e') then
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> editz(window)
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> elseif key == string.byte('a') then
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> -- insert sibling after
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> local old = curr.next
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> curr.next = new_id()
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> local new = zettels[curr.next]
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> new.data = ''
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> new.next = old
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> zettels[old].prev = curr.next
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> new.prev = current_zettel_id
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> assert(curr.parent == zettels[old].parent, 'siblings should have same parent')
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> new.parent = curr.parent
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> current_zettel_id = curr.next
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> render(window) -- recompute render_state
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> editz(window)
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> elseif key == string.byte('b') then
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> -- insert sibling before
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> local old = curr.prev
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> curr.prev = new_id()
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> local new = zettels[curr.prev]
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> new.data = ''
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> new.prev = old
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> zettels[old].next = curr.prev
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> new.next = current_zettel_id
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> assert(curr.parent == zettels[old].parent, 'siblings should have same parent')
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> new.parent = curr.parent
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> current_zettel_id = curr.prev
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> render(window) -- recompute render_state
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> editz(window)
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> elseif key == string.byte('c') then
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> -- insert child
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> local old = curr.child
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> curr.child = new_id()
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> local new = zettels[curr.child]
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> new.data = ''
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> new.next = old
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> assert(zettels[old].prev == nil, "first child shouldn't have a previous sibling")
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> zettels[old].prev = curr.child
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> new.parent = curr
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> current_zettel_id = curr.child
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> render(window) -- recompute render_state
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> editz(window)
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> end
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>end
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