gui: add a dialog to show song standby list

feeluown/gui/ui.py

@@ -53,6 +53,7 @@ def __init__(self, app):
         self.forward_btn = self.bottom_panel.forward_btn
 
         self.toolbar.settings_btn.clicked.connect(self._open_settings_dialog)
+        self.songs_table.about_to_show_menu.connect(self._open_standby_list_overlay)
 
         self._setup_ui()
 
@@ -85,6 +86,20 @@ def _open_settings_dialog(self):
         dialog = SettingsDialog(self._app, self._app)
         dialog.exec()
 
+    def _open_standby_list_overlay(self, ctx):
+        from feeluown.gui.uimain.standby import StandbyListOverlay
+
+        models = ctx['models']
+        add_action = ctx['add_action']
+        song = models[0]
+
+        def callback(_):
+            overlay = StandbyListOverlay(self._app)
+            overlay.show_song(song)
+            overlay.exec()
+
+        add_action('寻找可播放资源', callback)
+
     def toggle_player_bar(self):
         if self.top_panel.isVisible():
             self.top_panel.hide()

feeluown/gui/uimain/standby.py

@@ -0,0 +1,63 @@
+from typing import TYPE_CHECKING
+
+from PyQt5.QtCore import Qt
+from PyQt5.QtWidgets import QVBoxLayout, QWidget, QDialog
+
+from feeluown.utils.aio import run_afn
+from feeluown.gui.helpers import fetch_cover_wrapper
+from feeluown.gui.widgets.song_minicard_list import (
+    SongMiniCardListView,
+    SongMiniCardListModel,
+    SongMiniCardListDelegate,
+)
+from feeluown.utils.reader import create_reader
+
+
+if TYPE_CHECKING:
+    from feeluown.app.gui_app import GuiApp
+
+
+class StandbyListOverlay(QDialog):
+    def __init__(self, app: 'GuiApp', *args, **kwargs):
+        super().__init__(parent=app, *args, **kwargs)
+
+        self._app = app
+        self.setAttribute(Qt.WA_DeleteOnClose);
+
+        self._layout = QVBoxLayout(self)
+
+        view_options = dict(row_height=60, no_scroll_v=False)
+        view = SongMiniCardListView(**view_options)
+        view.play_song_needed.connect(self._app.playlist.play_model)
+        delegate = SongMiniCardListDelegate(
+            view,
+            card_min_width=self.width() - self.width()//6,
+            card_height=40,
+            card_padding=(5 + SongMiniCardListDelegate.img_padding, 5, 0, 5),
+            card_right_spacing=10,
+        )
+        view.setItemDelegate(delegate)
+        self._view = view
+
+        self.setup_ui()
+
+    def setup_ui(self):
+        self._layout.addWidget(self._view)
+
+    def show_song(self, song):
+
+        async def impl():
+            results = await self._app.library.a_list_song_standby_v2(song)
+            songs = [p[0] for p in results]
+            self.show_songs(songs)
+
+        self._app.task_mgr.run_afn_preemptive(impl, name='standby-list-overlay-show-song')
+
+    def show_songs(self, songs):
+        """
+        """
+        model = SongMiniCardListModel(
+            create_reader(songs),
+            fetch_cover_wrapper(self._app)
+        )
+        self._view.setModel(model)