py-gtk-notes/main.py

#!/usr/bin/python3 

import gi, json, os, shutil


gi.require_version("Gtk", "3.0")
gi.require_version("WebKit2", "4.1")
gi.require_version("Keybinder", "3.0")


from gi.repository import Gtk, Gdk, WebKit2, GLib, Gio, Keybinder
from gi.repository.GdkPixbuf import Pixbuf

from notes.utils import *
from notes.mimetypes import get_mimetype
from notes.notify import Notification

# 优先尝试使用指示器, 没有再使用 Gtk.StatusIcon
try:
  gi.require_version('AyatanaAppIndicator3', '0.1')
  # 需要安装这个包 gir1.2-ayatanaappindicator3-0.1
  from gi.repository import AyatanaAppIndicator3 as AppIndicator3
except (ValueError, ImportError):
  AppIndicator3 = None

# 初始化 Keybinder
Keybinder.init()


# im_context = Gtk.IMContext()


class WebKitWindow(Gtk.Window):
  def __init__(self):


    Gtk.Window.__init__(self, title="WebKit Example")

    self.notify = Notification(self)
    # Notification.__init__(self.notify, )

    self.set_default_size(800, 600)

    settings = WebKit2.Settings()
    settings.set_enable_page_cache(True)
    settings.set_enable_offline_web_application_cache(True)

    settings.set_enable_developer_extras(True)
    # settings.set_disable_web_security(True)

 
    

    settings.set_enable_html5_database(True)
    settings.set_enable_html5_local_storage(True)

    settings.set_javascript_can_access_clipboard(True)
    settings.set_javascript_can_open_windows_automatically(True)

    settings.set_user_agent("Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/605.1.15 (KHTML, like Gecko) weapp/1.0.0 Version/16.4 Safari/605.1.15")


    manager = WebKit2.UserContentManager()

    script = open(self.file_path('./inject.js'), 'r').read()
    frame  = WebKit2.UserContentInjectedFrames.ALL_FRAMES
    time   = WebKit2.UserScriptInjectionTime.END
    script = WebKit2.UserScript(script, frame, time, None, None)

    manager.add_script(script)

    manager.connect('script-message-received::app', self.on_script_message)
    manager.register_script_message_handler('app')

    self.webview = WebKit2.WebView.new_with_user_content_manager(manager)
    self.webview.set_settings(settings)


    context = self.webview.get_context()
    context.register_uri_scheme('app', self.resource_request_callback)
    # 允许网页通知权限
    context.initialize_notification_permissions([WebKit2.SecurityOrigin.new_for_uri('app:///index.html')], [])
    
    
    im = self.webview.get_input_method_context()
    im.set_enable_preedit(True)

    # self.webview.load_uri("http://127.0.0.1:10086/index.html")
    self.webview.load_uri("app:///index.html")
    # self.webview.load_uri("https://benchmark.wkit.fun")


    # 解决输入法候选框跟随问题
    im.connect('preedit-started', self.on_preedit_changed)
    im.connect('preedit-changed', self.on_preedit_changed)
    im.connect('preedit-finished', self.on_preedit_changed)



    self.clipboard = Gtk.Clipboard.get(Gdk.SELECTION_CLIPBOARD)


    self.add(self.webview)


  def on_preedit_changed(self, im):
    display = Gdk.Display.get_default()
    p = display.get_pointer() # 光标位置
    x, y = self.get_position() # 窗口位置

    im.notify_focus_in()
    im.notify_cursor_area(p.x - x, p.y - y, 0, 0) # 修正输入法跟随



  def resource_request_callback(self, req):
    
    schema = req.get_scheme()
    pathname = req.get_path()
    ext = pathname.split('.')[-1]

    if schema == 'app':
      data = open(self.file_path('./webview' + pathname)).read()
      data = Gio.MemoryInputStream.new_from_data(data.encode())
      req.finish(data, -1, get_mimetype(ext))
      return True
    else:
      return False

  def create_tray(self):

    if AppIndicator3 :
      indicator = AppIndicator3.Indicator.new(
        "youtube",
        "youtube",
        AppIndicator3.IndicatorCategory.APPLICATION_STATUS
      )

      # indicator.set_title('alacritty 6666')
      # indicator.set_label('alacritty 8888', '')
      # indicator.set_icon_full('alacritty','alacritty')
      # indicator.set_attention_icon_full('alacritty', 'alacritty')
      # indicator.set_ordering_index(99)
      indicator.set_status(AppIndicator3.IndicatorStatus.ACTIVE)
      # indicator.set_status(AppIndicator3.IndicatorStatus.ATTENTION)
      menu = Gtk.Menu()
      menu_items = Gtk.MenuItem.new_with_label("Toggle Floater")
      menu.append(menu_items)
      menu_items.connect("activate", self.toggle_visible)

      menu.show_all()
      indicator.set_menu(menu) 
      indicator.set_secondary_activate_target(menu_items)
    else:
      # windows 和 macos 必须传二进制图标, linux可传图标名称(自会去主题中找)
      # indicator = Gtk.StatusIcon.new_from_pixbuf(get_logo(32))
      # linux
      # indicator = Gtk.StatusIcon.new_from_icon_name('youtube')

      # return indicator
      indicator = Gtk.StatusIcon.new_from_icon_name('youtube')
      indicator.connect('activate',  self.toggle_visible)
    return indicator
  

  def toggle_visible(self, icon):

    if self.is_visible():
      self.hide()
    else:
      self.present()

  
  def call_js(self, method, data = None):
    scripts = 'native.$emit("' + method + '",' + json.dumps(data) + ')'
    self.webview.evaluate_javascript(scripts, -1)



  def file_path(self, filepath):
    root = os.path.dirname(os.path.realpath(__file__))
    return os.path.join(root, filepath)


  def on_script_message(self, webview, message):

    data = json.loads(message.get_js_value().to_json(0))

    event = data.get('event')
    callback = data.get('callback')
    params = data.get('data')
    output = None


    match event:
      case 'fs':
        filepath = params.get('filepath')

        if params['action'] == 'read':
          with open(filepath, params.get('mode')) as file:
            output = file.read()
            if params.get('mode').find('b') > -1:
              output = list(output)

        if params['action'] == 'write':
        
            # 调整以支持二进制数据写入
            with open(filepath, params.get('mode')) as file:
              buff = params['content']

              if params.get('mode').find('b') > -1:
                buff = bytes(buff)

              output = file.write(buff)

        if params['action'] == 'exists':
          output = os.path.exists(filepath)

        if params['action'] == 'list':
          with os.scandir(filepath) as entries:
            output = [{
              "name": it.name,
              "path": os.path.join(filepath, it.name),
              "is_dir": it.is_dir(),
              "size": it.stat().st_size,
              "atime": int(it.stat().st_atime),
              "mtime": int(it.stat().st_mtime),
            } for it in entries]

        if params['action'] == 'remove':
          if os.path.isfile(filepath):
            output = os.remove(filepath)
          elif os.path.isdir(filepath):
            output = os.removedirs(filename)

        if params['action'] == 'rename':
          if os.path.exists(filepath):
            output = shutil.move(filepath, params['target'])

        if params['action'] == 'copy':
          if os.path.exists(filepath):
            output = shutil.copy2(filepath, params['target'])

        if params['action'] == 'isfile':
          output = os.path.isfile(filepath)
   
        if params['action'] == 'isdir':
          output = os.path.isdir(filepath)
       
        if params['action'] == 'upload':
          print(params)

        

      case 'clipboard':
        # 读文本
        if params['action'] == 'wait_for_text':
          output = self.clipboard.wait_for_text()
        
        # 写文本
        elif params['action'] == 'set_text':
          self.clipboard.set_text(params['value'], -1)

        # 写图片
        elif params['action'] == 'set_image':
          image = params['value']
          # 前端传进来的值, 如果是路径的话, 直接读取
          if type(image) == str:
            image = Pixbuf.new_from_file(image)
          else:
            image = dict_to_pixbuf(image)

          self.clipboard.set_image(image)
          self.clipboard.store()

        # 读图片
        elif params['action'] == 'wait_for_image':
          output = self.clipboard.wait_for_image()
          output = pixbuf_to_dict(output, 'noname.png')

        # 清除剪切板
        elif params['action'] == 'clear':
          self.clipboard.clear()


      # 退出app
      case 'quit':
        all_quit(self)

      # 读取图片, 返回图片像素数据
      case 'image':
        filename = params['value']
        pixbuf = Pixbuf.new_from_file(filename)
        output = pixbuf_to_dict(pixbuf, filename)


      case 'monitor':
        if params['action'] == 'get-all':
          display = Gdk.Display.get_default()
          monitor_num = display.get_n_monitors()
          monitors = [display.get_monitor(i) for i in range(monitor_num)]
          output = [get_monitor_info(m) for m in monitors]
          
        elif params['action'] == 'get-primary':
          display = Gdk.Display.get_default()
          monitor = display.get_primary_monitor()
          output = get_monitor_info(monitor)

      case 'keybinder':
        keymap = params.get('value')
        shortcut_callback = params.get('shortcut_callback') or ''

        if params['action'] == 'register':
          # 绑定之前, 先解绑, 避免被重复绑定
          Keybinder.unbind(keymap)
          output = Keybinder.bind(
            keymap,
            lambda km : self.call_js(shortcut_callback)
          )

        elif params['action'] == 'unregister':
          Keybinder.unbind(keymap)
          output = True

        elif params['action'] == 'supported':
          output = Keybinder.supported()


      case 'tray':
        if params['action'] == 'create':
          pass

        elif params['action'] == 'remove':
          pass


      case 'window':
        if params['action'] == 'fullscreen':
          self.fullscreen()

        elif params['action'] == 'unfullscreen':
          self.unfullscreen()

        elif params['action'] == 'maximize':
          self.maximize()

        elif params['action'] == 'unmaximize':
          self.unmaximize()

        elif params['action'] == 'set_title':
          self.set_title(params['value'] or '')

        elif params['action'] == 'resize':
          self.resize(params['value'].get('width'), params['value'].get('height'))

        elif params['action'] == 'set_opacity':
          self.set_opacity(params['value'])

        elif params['action'] == 'set_keep_above':
          self.set_keep_above(params['value'])

        elif params['action'] == 'set_keep_below':
          self.set_keep_below(params['value'])

        elif params['action'] == 'move':
          self.move(params['value'].get('x'), params['value'].get('y'))

        elif params['action'] == 'toggle_visible':
          if self.is_visible():
            self.hide()
          else:
            self.present()

        elif params['action'] == 'hide':
          self.hide()

        elif params['action'] == 'show':
          self.present()

        elif params['action'] == 'is_visible':
          output = self.is_visible()
        
      case 'notify':
        title = params.get('title')
        summary = params.get('summary')
        icon = params.get('icon')
        progress = params.get('progress')
        urgency = params.get('urgency')

        self.notify.create(title, summary, icon, progress, urgency, params.get('callback'))

    # 有回调则返回结果
    if callback:
      self.call_js(callback, output)
      

def all_quit(win):
  print('朕要休息了~~~')
  Gtk.main_quit()




win = WebKitWindow()
win.connect("destroy", all_quit)
win.show_all()



tray = win.create_tray()

Gtk.main()