dotfiles

commit 011c4ba376cda2aacc7782dfde27d3f5255690f4
parent a6d1ce72723439da9e68f36eaa28aa00d5c17d68
Author: Anders Damsgaard <anders@adamsgaard.dk>
Date:   Wed, 26 Jun 2019 12:14:09 +0200

Add cursors plugin for vis

Diffstat:
A
.config/vis/plugins/cursors.lua
 | 
58
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
M
.config/vis/visrc.lua
 | 
1
+

2 files changed, 59 insertions(+), 0 deletions(-)
diff --git a/.config/vis/plugins/cursors.lua b/.config/vis/plugins/cursors.lua
@@ -0,0 +1,58 @@
+local module = {}
+local cursors = {}
+module.path = os.getenv('HOME') .. '/.cursors'
+
+function apply_cursor_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.selection.pos = tonumber(pos)
+	vis:feedkeys("zz")
+end
+
+function file_exists(path)
+	local f = io.open(path)
+	if f == nil then return false
+	else f:close() return true 
+	end
+end	
+
+function read_cursors()
+	cursors = {}
+	local f = io.open(module.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
+		apply_cursor_pos(win)
+	end
+end
+
+function write_cursors()
+	local f = io.open(module.path, 'w+')
+	if f == nil then return end
+	local a = {}
+	for k in pairs(cursors) do table.insert(a, k) end
+	table.sort(a)
+	for i,k in ipairs(a) do 
+		f:write(string.format('%s %d\n', k, cursors[k]))
+	end
+	f:close()
+end
+
+function set_cursor_pos(win)
+	if win.file == nil or win.file.path == nil then return end
+	if not file_exists(win.file.path) then return end
+	cursors[win.file.path] = win.selection.pos
+end
+
+vis.events.subscribe(vis.events.INIT, read_cursors)
+vis.events.subscribe(vis.events.WIN_OPEN, apply_cursor_pos)
+vis.events.subscribe(vis.events.WIN_CLOSE, set_cursor_pos)
+vis.events.subscribe(vis.events.QUIT, write_cursors)
+
+return module
diff --git a/.config/vis/visrc.lua b/.config/vis/visrc.lua
@@ -4,6 +4,7 @@ require('plugins/vis-commentary')
 require('plugins/fzf-mru')
 require('plugins/snippets')
 require('plugins/ctags')
+require('plugins/cursors')
 
 leader = '<Space>'