Reworked a whole lot. New config file and theme config file for easier changes. Did #19. And much more

awesome/src/tools/desktop_parser.lua

@@ -0,0 +1,74 @@
+local gears = require("gears")
+local GLib = require("lgi").GLib
+
+---Will return every $XDG_DATA_DIRS
+---@return table
+local function get_paths()
+  local dirs = {}
+
+  local dir
+  for _, value in ipairs(GLib.get_system_data_dirs()) do
+    dir = GLib.build_filenamev({ value, "applications" })
+    if gears.filesystem.dir_readable(dir) then table.insert(dirs, dir) end
+  end
+
+  dir = GLib.build_filenamev({ GLib.get_user_data_dir(), "applications" })
+  if gears.filesystem.dir_readable(dir) then table.insert(dirs, dir) end
+
+  return dirs
+end
+
+---Returns every .desktop file into a table
+---@param file table .desktop files
+---@return table
+return function(file)
+
+  if not file or file == "" then
+    return
+  end
+
+  local handler = nil
+
+  for _, dir in ipairs(get_paths()) do
+    handler = io.open(dir .. "/" .. file, "r")
+    if handler then
+      break
+    end
+  end
+
+  if not handler then
+    return
+  end
+
+  local desktop_table = {}
+  while true do
+    local line = handler:read()
+
+    if not line then
+      break
+    end
+
+    if line:match("[Desktop Entry]") then
+      while true do
+        local property = handler:read()
+        if not property then
+          break
+        end
+
+        if property:match("^%[(.+)%]") then
+          return desktop_table
+        end
+
+        if property:match("^Name=") then
+          desktop_table["Name"] = property:match("Name=(.+)")
+        elseif property:match("^Exec") then
+          -- Second match is to remove the %u and %F some applications use to open a URI. It's not needed here
+          desktop_table["Exec"] = property:match("Exec=(.+)"):gsub("%%u", ""):gsub("%%F", "")
+        elseif property:match("^Icon=") then
+          desktop_table["Icon"] = property:match("Icon=(.+)")
+        end
+      end
+    end
+  end
+  return desktop_table
+end