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Merge pull request #256 from adamharrison/FixTabDragging 

Allows you to drag nodes around splits.
This commit is contained in:
Adam 2021-06-12 17:59:08 -04:00 committed by GitHub
parent 6097ba36d7 66b76f15c2
commit 637b7f952d
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 54 additions and 37 deletions
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91
data/core/rootview.lua
View File

@ -129,36 +129,41 @@ function Node:split(dir, view, locked, resizable)
return self.b
end
function Node:close_view(root, view)
local new_active_view = view == self.active_view
local do_close = function()
if #self.views > 1 then
local idx = self:get_view_idx(view)
table.remove(self.views, idx)
if new_active_view then
self:set_active_view(self.views[idx] or self.views[#self.views])
end
function Node:remove_view(root, view)
if #self.views > 1 then
local idx = self:get_view_idx(view)
if idx < self.tab_offset then
self.tab_offset = self.tab_offset - 1
end
table.remove(self.views, idx)
if self.active_view == view then
self:set_active_view(self.views[idx] or self.views[#self.views])
end
else
local parent = self:get_parent_node(root)
local is_a = (parent.a == self)
local other = parent[is_a and "b" or "a"]
if other:get_locked_size() then
self.views = {}
self:add_view(EmptyView())
else
local parent = self:get_parent_node(root)
local is_a = (parent.a == self)
local other = parent[is_a and "b" or "a"]
if other:get_locked_size() then
self.views = {}
self:add_view(EmptyView())
else
parent:consume(other)
local p = parent
while p.type ~= "leaf" do
p = p[is_a and "a" or "b"]
end
p:set_active_view(p.active_view)
if self.is_primary_node then
p.is_primary_node = true
end
parent:consume(other)
local p = parent
while p.type ~= "leaf" do
p = p[is_a and "a" or "b"]
end
p:set_active_view(p.active_view)
if self.is_primary_node then
p.is_primary_node = true
end
end
core.last_active_view = nil
end
core.last_active_view = nil
end
function Node:close_view(root, view)
local do_close = function()
self:remove_view(root, view)
end
view:try_close(do_close)
end
@ -169,13 +174,13 @@ function Node:close_active_view(root)
end
function Node:add_view(view)
function Node:add_view(view, idx)
assert(self.type == "leaf", "Tried to add view to non-leaf node")
assert(not self.locked, "Tried to add view to locked node")
if self.views[1] and self.views[1]:is(EmptyView) then
table.remove(self.views)
end
table.insert(self.views, view)
table.insert(self.views, idx or (#self.views + 1), view)
self:set_active_view(view)
end
@ -749,7 +754,7 @@ function RootView:on_mouse_pressed(button, x, y, clicks)
if button == "middle" or node.hovered_close == idx then
node:close_view(self.root_node, node.views[idx])
else
self.dragged_node = idx
self.dragged_node = { node, idx }
node:set_active_view(node.views[idx])
end
else
@ -816,15 +821,27 @@ function RootView:on_mouse_moved(x, y, dx, dy)
end
elseif tab_index then
core.request_cursor("arrow")
if self.dragged_node and self.dragged_node ~= tab_index then
local tab = node.views[self.dragged_node]
table.remove(node.views, self.dragged_node)
table.insert(node.views, tab_index, tab)
self.dragged_node = tab_index
end
else
elseif node then
core.request_cursor(node.active_view.cursor)
end
if node and self.dragged_node and (self.dragged_node[1] ~= node or (tab_index and self.dragged_node[2] ~= tab_index))
and node.type == "leaf" and #node.views > 0 and node.views[1]:is(DocView) then
local tab = self.dragged_node[1].views[self.dragged_node[2]]
if self.dragged_node[1] ~= node then
for i, v in ipairs(node.views) do if v.doc == tab.doc then tab = nil break end end
if tab then
self.dragged_node[1]:remove_view(self.root_node, tab)
node:add_view(tab, tab_index)
self.root_node:update_layout()
self.dragged_node = { node, tab_index or #node.views }
core.redraw = true
end
else
table.remove(self.dragged_node[1].views, self.dragged_node[2])
table.insert(node.views, tab_index, tab)
self.dragged_node = { node, tab_index }
end
end
end