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feat: add API for swapping buffers directionally #45

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merged 1 commit into from
Feb 13, 2023
Merged

feat: add API for swapping buffers directionally #45

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38 changes: 34 additions & 4 deletions lua/smart-splits/api.lua
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -292,6 +292,13 @@ local function move_cursor_tmux(direction, at_edge_and_moving_to_edge)
return move_tmux_inner(dir_keys_tmux_reverse[direction])
end

local function move_to_edge(at_edge_and_moving_to_edge, dir_key)
-- if someone has more than 99999 windows then just LOL
vim.api.nvim_set_current_win(
vim.fn.win_getid(vim.fn.winnr(string.format('%s%s', at_edge_and_moving_to_edge and '99999' or '1', dir_key)))
)
end

local function move_cursor(direction, same_row)
local offset = vim.fn.winline() + vim.api.nvim_win_get_position(0)[1]
local dir_key = dir_keys[direction]
Expand Down Expand Up @@ -330,10 +337,7 @@ local function move_cursor(direction, same_row)
dir_key = dir_keys_reverse[direction]
end

-- if someone has more than 99999 windows then just LOL
vim.api.nvim_set_current_win(
vim.fn.win_getid(vim.fn.winnr(string.format('%s%s', at_edge_and_moving_to_edge and '99999' or '1', dir_key)))
)
move_to_edge(at_edge_and_moving_to_edge, dir_key)

if
(direction == 'left' or direction == 'right')
Expand All @@ -353,6 +357,28 @@ local function set_eventignore()
vim.o.eventignore = eventignore
end

local function swap_bufs(direction)
local buf_1 = vim.api.nvim_get_current_buf()
local win_1 = vim.api.nvim_get_current_win()

local dir_key = dir_keys[direction]
local at_edge_and_moving_to_edge = (direction == 'right' and at_right_edge())
or (direction == 'left' and at_left_edge())
or (direction == 'up' and at_top_edge())
or (direction == 'down' and at_bottom_edge())
if at_edge_and_moving_to_edge then
dir_key = dir_keys_reverse[direction]
end

move_to_edge(at_edge_and_moving_to_edge, dir_key)
local buf_2 = vim.api.nvim_get_current_buf()
local win_2 = vim.api.nvim_get_current_win()

vim.api.nvim_win_set_buf(win_2, buf_1)
vim.api.nvim_win_set_buf(win_1, buf_2)
vim.api.nvim_set_current_win(win_1)
end

vim.tbl_map(function(direction)
M[string.format('resize_%s', direction)] = function(amount)
local eventignore_orig = vim.deepcopy(vim.o.eventignore)
Expand All @@ -370,6 +396,10 @@ vim.tbl_map(function(direction)
is_resizing = false
pcall(move_cursor, direction, same_row)
end
M[string.format('swap_buf_%s', direction)] = function()
is_resizing = false
swap_bufs(direction)
end
end, {
'left',
'right',
Expand Down
2 changes: 2 additions & 0 deletions lua/smart-splits/init.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -7,8 +7,10 @@ end
vim.tbl_map(function(direction)
local resize_key = string.format('resize_%s', direction)
local move_key = string.format('move_cursor_%s', direction)
local swap_buf_key = string.format('swap_buf_%s', direction)
M[resize_key] = require('smart-splits.api')[resize_key]
M[move_key] = require('smart-splits.api')[move_key]
M[swap_buf_key] = require('smart-splits.api')[swap_buf_key]
end, {
'left',
'right',
Expand Down