zet.tlv
This commit is contained in:
Kartik K. Agaram
parent
31127a9152
commit
10dab7ae17
131
zet.tlv
131
zet.tlv
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@ -1211,3 +1211,134 @@
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> {'c', 'insert child'},
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> {'x/X/y/Y', 'resize'},
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>}
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- __teliva_timestamp:
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>Thu Feb 10 06:57:51 2022
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__teliva_note:
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>squeeze menu to make way for next feature
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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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> {'a/b/c', 'insert sib/child'},
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> {'e', 'edit'},
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> {'j/k/l/h', 'move to child/parent/sib'},
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> {'x/X/y/Y', 'resize'},
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>}
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- __teliva_timestamp:
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>Thu Feb 10 07:00:46 2022
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__teliva_note:
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>bugfix: handle missing parent/child/sib
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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 h, w = window:getmaxyx()
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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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> new.prev = current_zettel_id
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> if old then
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> zettels[old].prev = curr.next
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> assert(curr.parent == zettels[old].parent, 'siblings should have same parent')
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> end
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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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> new.next = current_zettel_id
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> if old then
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> zettels[old].next = curr.prev
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> assert(curr.parent == zettels[old].parent, 'siblings should have same parent')
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> end
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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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> if old then
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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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> end
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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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> elseif key == string.byte('x') then
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> if view_settings.width > 5 then
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> view_settings.width = view_settings.width - 5
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> end
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> elseif key == string.byte('X') then
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> if view_settings.width < w-5 then
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> view_settings.width = view_settings.width + 5
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> end
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> elseif key == string.byte('y') then
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> if view_settings.height > 0 then
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> view_settings.height = view_settings.height - 1
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> end
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> elseif key == string.byte('Y') then
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> if view_settings.height < h-2 then
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> view_settings.height = view_settings.height + 1
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> end
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> end
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>end
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