#!/usr/bin/env python3

import gi
gi.require_version('Gtk', '3.0')
from gi.repository import Gtk, Gdk, GObject

from assets import image_dict
from .image import ScaleImage

class OptionMenu(Gtk.Menu):

  app = None
  on_top = False

  def __init__(self, app):
    Gtk.Menu.__init__(self)
    self.app = app

    btn_icos = [
      image_dict['setting'],
      image_dict['pin'],
      image_dict['switch'],
      image_dict['info']
    ]
    btn_txts = [
      '首选项',
      '窗口置顶',
      '退出应用',
      '关于播放器'
    ]


    for i in range(4):
      item = Gtk.MenuItem()
      box = Gtk.Box(spacing = 0)
      label = Gtk.Label(label = btn_txts[i])
      img = ScaleImage(btn_icos[i]).resize(16, 16)

      box.set_size_request(92, 32)
      box.pack_start(img, False, False, 0)
      box.pack_start(label, False, False, 6)
      item.name = btn_txts[i]
      item.add(box)
      item.connect('activate', self.on_menu_select)
      self.append(item)

    self.show_all()


  def on_menu_select(self, item):
    if item.name == '首选项':
      self.app.preferences.show()

    elif item.name == '窗口置顶':
      self.on_top = not self.on_top
      self.app.window.set_keep_above(self.on_top)
      if self.on_top:
        item.select()
      else:
        item.deselect()

    elif item.name == '退出应用':
      self.app.quit_all()

    elif item.name == '关于播放器':
      self.app.about.present()
        


  def show(self, widget):
    # 在按钮下方显示菜单
    self.popup_at_widget(widget, Gdk.Gravity.NORTH_WEST, Gdk.Gravity.NORTH_WEST, None)