1 files changed, 28 insertions, 11 deletions

diff --git a/configs/nvim/lua/crupest/nvim.lua b/configs/nvim/lua/crupest/nvim.lua
index 2eea4f1..c47b7d5 100644
--- a/configs/nvim/lua/crupest/nvim.lua
+++ b/configs/nvim/lua/crupest/nvim.lua
@@ -37,6 +37,7 @@ local function get_previous_buffer(buf)
     return bufs[index - 1]
 end
 
+-- list the windows that are currently editing the given buffer
 local function list_wins_editing_buf(buf)
     local wins = vim.api.nvim_list_wins()
     local result = {}
@@ -48,25 +49,28 @@ local function list_wins_editing_buf(buf)
     return result
 end
 
+-- Delete current buffer and jump back.
+-- If no previous jump, switch to previous buffer.
+-- If no previous buffer (no other buffers), create a unnamed one. (So the window does not quit.)
 local function win_close_buf()
-    local current_buffer = vim.api.nvim_get_current_buf()
+    local buf = vim.api.nvim_get_current_buf()
     local jumps_info = vim.fn.getjumplist()
 
-    local old_jump_list = { unpack(jumps_info[1], 1, jumps_info[2]) }
-    while #old_jump_list ~= 0 do
-        local last_jump = old_jump_list[#old_jump_list]
-        if last_jump.bufnr ~= current_buffer and vim.fn.bufexists(last_jump.bufnr) ~= 0 and vim.fn.buflisted(last_jump.bufnr) ~= 0 then
+    local old_jumps = { unpack(jumps_info[1], 1, jumps_info[2]) }
+    while #old_jumps ~= 0 do
+        local last_jump = old_jumps[#old_jumps]
+        if last_jump.bufnr ~= buf and vim.fn.bufexists(last_jump.bufnr) ~= 0 and vim.fn.buflisted(last_jump.bufnr) ~= 0 then
             break
         end
-        table.remove(old_jump_list, #old_jump_list)
+        table.remove(old_jumps, #old_jumps)
     end
 
-    if #old_jump_list ~= 0 then
-        local last_jump = old_jump_list[#old_jump_list]
+    if #old_jumps ~= 0 then
+        local last_jump = old_jumps[#old_jumps]
         vim.api.nvim_win_set_buf(0, last_jump.bufnr)
         vim.api.nvim_win_set_cursor(0, {last_jump.lnum, last_jump.col})
     else
-        local previous_buf = get_previous_buffer(current_buffer)
+        local previous_buf = get_previous_buffer(buf)
         if previous_buf then
             vim.api.nvim_win_set_buf(0, previous_buf)
         else
@@ -75,13 +79,26 @@ local function win_close_buf()
         end
     end
 
-    vim.api.nvim_buf_delete(current_buffer, {})
+    local wins = list_wins_editing_buf(buf)
+    if #wins == 0 then
+        vim.api.nvim_buf_delete(buf, {})
+    end
+end
+
+local function close_float()
+    local wins = vim.api.nvim_list_wins()
+    for _, v in ipairs(wins) do
+        if vim.api.nvim_win_get_config(v).relative ~= '' then
+            vim.api.nvim_win_close(v, false)
+        end
+    end
 end
 
 return {
     list_listed_bufs = list_listed_bufs,
     get_previous_buffer = get_previous_buffer,
     list_wins_editing_buf = list_wins_editing_buf,
-    win_close_buf = win_close_buf
+    win_close_buf = win_close_buf,
+    close_float = close_float,
 }