优化UI组件

main.py

@@ -8,38 +8,18 @@ from pprint import pprint as print
 
 gi.require_version('Gtk', '3.0')
 
-from gi.repository import Gtk, Gdk, GLib, GdkPixbuf, GObject
+from gi.repository import Gtk
+
+from utils import run_async
 
 from window import SonistWindow
 from about_app import AboutWindow
-
 from mpd import MPDClient
 
 app_id = 'fun.wkit.sonist'
 home_dir = os.getenv('HOME')
 
 
-# 定义一个异步修饰器, 用于在子线程中运行一些会阻塞主线程的任务
-def run_async(func):
-  def wrapper(*args, **kwargs):
-    thread = threading.Thread(target=func, args=args, kwargs=kwargs)
-    thread.daemon = True
-    thread.start()
-    return thread
-  return wrapper
-
-# 类型js的settimeout的修饰器
-def set_timeout(timeout = 0.5):
-  def decorator(callback):
-    def wrapper(*args):
-      t = threading.Timer(timeout, callback, args=args)
-      t.start()
-      return t
-    return wrapper
-  
-  return decorator
-
-
 
 def get_music_dir():
   with open(f'{home_dir}/.mpd/mpd.conf', 'r') as f:
@@ -60,8 +40,13 @@ class Application(Gtk.Application):
     self.timer = None
 
     self.music_dir = get_music_dir()
+    self.album_cache_dir = f"{home_dir}/.cache/sonist/album"
+    self.lyric_cache_dir = f"{home_dir}/.cache/sonist/lyric"
     self.mpd = MPDClient()
 
+    os.makedirs(self.album_cache_dir, exist_ok = True)
+    os.makedirs(self.lyric_cache_dir, exist_ok = True)
+
     self.connect('window-removed', self.on_window_removed)
 
 
@@ -82,7 +67,6 @@ class Application(Gtk.Application):
     self.about = AboutWindow()
     self.add_window(self.window)
     self.window.show_all()
-    # self.about.show_all()
 
     self.connect_mpd()
 
@@ -95,6 +79,8 @@ class Application(Gtk.Application):
       print('朕要休息了~~~')
 
 
+  def quit_all(self):
+    self.remove_window(self.window)
 
 """ class ApplicationService(dbus.service.Object):
   def __init__(self, app):

ui/ctrl_box.py

@@ -64,7 +64,7 @@ class CtrlBox(Gtk.Box):
       self.emit('clicked', 'next_btn')
 
     elif btn == self.vol_btn:
-      self.emit('clicked','vol_btn')
+      self.emit('clicked', 'vol_btn')
     
 
   def toggle_play_btn(self, on = True):

ui/option_menu.py

@@ -7,6 +7,10 @@ from gi.repository import Gtk, Gdk, GObject
 from .image import ScaleImage
 
 class OptionMenu(Gtk.Menu):
+
+  app = None
+  on_top = False
+
   def __init__(self, app):
     Gtk.Menu.__init__(self)
     self.app = app
@@ -46,13 +50,20 @@ class OptionMenu(Gtk.Menu):
     match(item.name):
       case '首选项':
         pass
+
       case '窗口置顶':
-        pass
+        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()
+
       case '退出应用':
-        pass
+        self.app.quit_all()
+
       case '关于播放器':
         self.app.about.present()
-        pass
         
 
 

ui/text.py

@@ -1,21 +0,0 @@
-#!/usr/bin/env python3
-
-import gi
-gi.require_version('Gtk', '3.0')
-from gi.repository import Gtk
-
-
-class TextBox(Gtk.Box):
-  def __init__(self, width, height):
-    Gtk.Box.__init__(self)
-
-    self.set_size_request(width, height)
-
-    self.label = Gtk.Label()
-    self.add(self.label)
-
-
-
-  def set_text(self, string):
-    self.label.set_text('孙晓 - 丹歌惊鸿')
-    return self

ui/timebar.py

@@ -36,9 +36,11 @@ class Timebar(Gtk.Fixed):
     self.duration = Gtk.Label()
 
     self.curr.set_name('text')
+    self.curr.set_selectable(False)
+    self.duration.set_name('text')
+    self.duration.set_selectable(False)
     self.duration.set_justify(Gtk.Justification.RIGHT)
     self.duration.set_xalign(1)
-    self.duration.set_name('text')
 
     self.slider.connect('change-value', self.debounce)
     self.slider.set_sensitive(False)

ui/title_text.py

@@ -0,0 +1,22 @@
+#!/usr/bin/env python3
+
+import gi
+gi.require_version('Gtk', '3.0')
+from gi.repository import Gtk
+
+
+class TitleText(Gtk.Label):
+  def __init__(self, text = 'mpd loading...'):
+    Gtk.Box.__init__(self)
+
+    self.set_size_request(256, 20)
+    self.set_name('text')
+    self.set_hexpand(True)
+    self.set_hexpand_set(True)
+    self.set_halign(Gtk.Align.CENTER)
+    self.set_text(text)
+
+
+  def update(self, text):
+    self.set_text(text)
+    return self

utils.py

@@ -1,10 +1,14 @@
 #!/usr/bin/env python3
 
 
-import gi, io, base64
+import gi, io, base64, threading
-from gi.repository import Gdk, GLib, GdkPixbuf, Gio
+from gi.repository import Gdk, GLib, GdkPixbuf, Gio, GObject
 from PIL import Image, ImageFilter
 
+
+empty_pixbuf = GdkPixbuf.Pixbuf.new(GdkPixbuf.Colorspace.RGB, True, 8, 1, 1)
+
+
 def pixbuf_to_pil(pixbuf):
   data = pixbuf.get_pixels()
   w = pixbuf.get_width()
@@ -23,18 +27,28 @@ def pil_to_pixbuf(img):
   alpha = img.mode == 'RGBA'
   w, h = img.size
   rowstride = w * 4
+  try:
     return GdkPixbuf.Pixbuf.new_from_bytes(GLib.Bytes.new(data), GdkPixbuf.Colorspace.RGB, alpha, 8, w, h, rowstride)
+  except:
+    return empty_pixbuf
 
 
 def pic_to_pixbuf(pic):
   data = pic.data
   input_stream = Gio.MemoryInputStream.new_from_data(data, None)
+  try:
     return GdkPixbuf.Pixbuf.new_from_stream(input_stream, None)
+  except:
+    return empty_pixbuf
 
 def base64_to_pixbuf(base64_str):
   data = base64.b64decode(base64_str)
   input_stream = Gio.MemoryInputStream.new_from_data(data, None)
+  try:
     return GdkPixbuf.Pixbuf.new_from_stream(input_stream, None)
+  except:
+    return empty_pixbuf
+
 
 def blur_image(pixbuf):
   # 加载图片并确认该图片为RGBA模式，保证透明度
@@ -44,3 +58,33 @@ def blur_image(pixbuf):
   img.alpha_composite(mask)
 
   return pil_to_pixbuf(img)
+
+
+
+# 定义一个异步修饰器, 用于在子线程中运行一些会阻塞主线程的任务
+def run_async(func):
+  def wrapper(*args, **kwargs):
+    thread = threading.Thread(target=func, args=args, kwargs=kwargs)
+    thread.daemon = True
+    thread.start()
+    return thread
+  return wrapper
+
+# 类型js的settimeout的修饰器
+def set_timeout(timeout = 0.5):
+  def decorator(callback):
+    def wrapper(*args):
+      t = threading.Timer(timeout, callback, args=args)
+      t.start()
+      return t
+    return wrapper
+  
+  return decorator
+
+
+# 定义一个修饰器, 用于将当前方法转到主线程中运行 (子线程中调用方法时)
+def idle(func):
+  def wrapper(*args):
+    GObject.idle_add(func, *args)
+  return wrapper
+

window.py

@@ -1,28 +1,22 @@
 #!/usr/bin/env python3
 
-import gi, sys, os, mutagen, threading
+import gi, sys, os, mutagen, base64
-# from pprint import pprint as print
 
 gi.require_version('Gtk', '3.0')
-
 from gi.repository import Gtk, Gdk, GLib, GdkPixbuf, GObject
 
-from utils import blur_image, pic_to_pixbuf, base64_to_pixbuf
+from utils import blur_image, pic_to_pixbuf, base64_to_pixbuf, idle
 
 from ui.image import ScaleImage
 from ui.slider import Slider
 from ui.image_button import ImageButton
-from ui.text import TextBox
+from ui.title_text import TitleText
 from ui.ctrl_box import CtrlBox
 from ui.timebar import Timebar
 from ui.option_menu import OptionMenu
 
 
-# 定义一个修饰器, 用于将当前方法转到主线程中运行 (子线程中调用方法时)
+
-def idle(func):
-  def wrapper(*args):
-    GObject.idle_add(func, *args)
-  return wrapper
 
 
 class SonistWindow(Gtk.Window):
@@ -36,7 +30,7 @@ class SonistWindow(Gtk.Window):
     self.app = app
     self.mpd = app.mpd
 
-    self.connect("destroy", self.quited)
+    self.connect("destroy", lambda win: app.remove_window(win))
 
     self.mpd.connect('offline', lambda o: self.reset_player())
     self.mpd.connect('online', lambda o: self.sync_state(None, None, True))
@@ -88,10 +82,7 @@ class SonistWindow(Gtk.Window):
 
     # title
 
-    # self.title_box = TextBox(256, 20)
+    self.title_box = TitleText()
-    self.title_box = Gtk.Label()
-    self.title_box.set_name('text')
-    self.title_box.set_text('mpd loading...')
 
     layout.put(self.title_box, 27, 244)
 
@@ -99,7 +90,7 @@ class SonistWindow(Gtk.Window):
     # 播放进度
     self.timebar = Timebar()
     self.timebar.connect('seeked', lambda a,v: self.mpd.seekcur(v))
-    layout.put(self.timebar, 24, 270)
+    layout.put(self.timebar, 24, 276)
 
 
     # 控制条
@@ -245,43 +236,46 @@ class SonistWindow(Gtk.Window):
     if played != 'stop':
       song = song or self.mpd.currentsong()
       # 更新歌曲信息
-      self.title_box.set_text(f"{song.get('artist')} - {song.get('title')}")
+      self.title_box.update(f"{song.get('artist')} - {song.get('title')}")
       self.update_playtime(self.stat)
 
-      filepath = f"./album/{song['title']}.png"
+      title = song['file']
-      songpath = f"{self.app.music_dir}/{song['file']}"
+      title_hex = base64.b64encode(title.encode()).hex()
+
+      filepath = f"{self.app.album_cache_dir}/{title_hex}.png"
+      songpath = f"{self.app.music_dir}/{title}"
 
       if os.path.isfile(filepath):
         self.update_album(filepath)
       else:
     
         id3 = mutagen.File(songpath)
-
+        pic = None
         try:
           if id3.tags.get('APIC:'):
             pic = id3.tags['APIC:']
           elif len(id3.pictures) > 0:
             pic = id3.pictures[0]
 
-          if pic is not None:
+          if pic is None:
+            self.update_album()
+          else:
             album = pic_to_pixbuf(pic)
             self.update_album(album)
-        except:
+
+        except Exception as err:
           pass
   
   @idle
   def reset_player(self):
     self.ctrl_box.disabled = True
-    self.title_box.set_text('mpd is offline...')
+    self.title_box.update('mpd is offline...')
     self.timebar.update_time()
-    self.update_album('./usr/share/sonist/avatar.jpg')
+    self.update_album()
 
   @idle
-  def update_album(self, filepath):
+  def update_album(self, filepath = './usr/share/sonist/avatar.jpg'):
     self.set_background_image(filepath)
     self.album.reset(filepath).set_radius(64)
 
 
-  def quited(self, win):
-    self.app.remove_window(self)
-