open_context_reg_key.py

import sublime
import sublime_plugin
import subprocess


IS_WINDOWS = sublime.platform() == 'windows'


class OpenContextRegKeyCommand(sublime_plugin.TextCommand):
    def run(self, edit, event):
        pt = self.view.window_to_text((event['x'], event['y']))
        regions = self.view.find_by_selector('entity.name.section')
        for region in regions:
            if region.contains(pt):
                startupinfo = subprocess.STARTUPINFO()
                startupinfo.dwFlags |= subprocess.STARTF_USESHOWWINDOW
                startupinfo.wShowWindow = 11  # force minimized window

                reg_key = self.view.substr(region)
                subprocess.call('cmd /c REG ADD HKCU\\Software\\Microsoft\\Windows\\CurrentVersion\\Applets\\Regedit /v LastKey /t REG_SZ /d "{}" /f && start regedit'.format(reg_key), startupinfo=startupinfo)
                break

    def is_enabled(self, event):
        return IS_WINDOWS

    def is_visible(self, event):
        return self.is_enabled(event) and self.view.match_selector(self.view.window_to_text((event['x'], event['y'])), 'source.reg entity.name.section')

    def want_event(self):
        return True