init

1 files changed, 51 insertions, 0 deletions

diff --git a/cursors.lua b/cursors.lua
new file mode 100644
index 0000000..a7ae032
--- /dev/null
+++ b/cursors.lua
@@ -0,0 +1,51 @@
+local module = {}
+local cursors = {}
+local cursors_path = string.format('%s/.cursors', os.getenv('HOME'))
+
+function print_cursors() 
+	for k, v in pairs(cursors) do
+		io.write(string.format('%s %d', k, v))
+	end
+end
+
+function set_pos(win)
+	if win.file == nil or win.file.path == nil then return end
+	local pos = cursors[win.file.path]
+	if pos == nil then return end
+	win.cursor.pos = tonumber(pos)
+end
+
+function module.start()
+	cursors = {}
+	local f = io.open(cursors_path)
+	if f == nil then return end
+	for line in f:lines() do
+		for k, v in string.gmatch(line, '(.+)%s(%d+)') do
+			cursors[k] = v
+		end 
+	end
+	f:close()
+	for win in vis:windows() do
+		set_pos(win)
+	end
+end
+
+function module.win_open(win)
+	set_pos(win)
+end
+
+function module.win_close(win)
+	if win.file == nil or win.file.path == nil then return end
+	cursors[win.file.path] = win.cursor.pos
+end
+
+function module.quit()
+	local f = io.open(cursors_path, 'w+')
+	if f == nil then return end
+	for k, v in pairs(cursors) do
+		f:write(string.format('%s %d\n', k, v))
+	end
+	f:close()
+end
+
+return module