510 lines
17 KiB
Python
510 lines
17 KiB
Python
#!/usr/bin/env python3
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import gi
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gi.require_version('Gtk', '4.0')
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gi.require_version('Adw', '1')
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import locale
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import logging
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import math
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import threading
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from gi.repository import Gtk, Gdk, GObject, GdkPixbuf, Gio, Adw
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from mcg import client
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from mcg.albumheaderbar import AlbumHeaderbar
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from mcg.utils import SortOrder
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from mcg.utils import Utils
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from mcg.utils import GridItem
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from mcg.utils import SearchFilter
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@Gtk.Template(resource_path='/xyz/suruatoel/mcg/ui/library-panel.ui')
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class LibraryPanel(Adw.Bin):
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__gtype_name__ = 'McgLibraryPanel'
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__gsignals__ = {
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'open-standalone': (GObject.SIGNAL_RUN_FIRST, None, ()),
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'close-standalone': (GObject.SIGNAL_RUN_FIRST, None, ()),
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'update': (GObject.SIGNAL_RUN_FIRST, None, ()),
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'play': (GObject.SIGNAL_RUN_FIRST, None, (str,)),
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'queue': (GObject.SIGNAL_RUN_FIRST, None, (str,)),
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'queue-multiple': (GObject.SIGNAL_RUN_FIRST, None, (GObject.TYPE_PYOBJECT,)),
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'item-size-changed': (GObject.SIGNAL_RUN_FIRST, None, (int,)),
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'sort-order-changed': (GObject.SIGNAL_RUN_FIRST, None, (int,)),
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'sort-type-changed': (GObject.SIGNAL_RUN_FIRST, None, (bool,)),
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'albumart': (GObject.SIGNAL_RUN_FIRST, None, (str,)),
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}
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# Widgets
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library_stack = Gtk.Template.Child()
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panel_normal = Gtk.Template.Child()
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panel_standalone = Gtk.Template.Child()
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actionbar_revealer = Gtk.Template.Child()
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# Toolbar
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toolbar = Gtk.Template.Child()
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select_button = Gtk.Template.Child()
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toolbar_search_bar = Gtk.Template.Child()
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toolbar_popover = Gtk.Template.Child()
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toolbar_sort_order_button = Gtk.Template.Child()
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sort_artist = Gtk.Template.Child()
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sort_title = Gtk.Template.Child()
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sort_year = Gtk.Template.Child()
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grid_scale = Gtk.Template.Child()
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# Filter/search bar
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filter_bar = Gtk.Template.Child()
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filter_entry = Gtk.Template.Child()
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# Progress Bar
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stack = Gtk.Template.Child()
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progress_box = Gtk.Template.Child()
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progress_image = Gtk.Template.Child()
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progress_bar = Gtk.Template.Child()
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scroll = Gtk.Template.Child()
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# Library Grid
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library_grid = Gtk.Template.Child()
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# Action bar (normal)
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actionbar = Gtk.Template.Child()
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actionbar_standalone = Gtk.Template.Child()
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# Standalone Image
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standalone_stack = Gtk.Template.Child()
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standalone_spinner = Gtk.Template.Child()
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standalone_scroll = Gtk.Template.Child()
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standalone_image = Gtk.Template.Child()
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def __init__(self, client, **kwargs):
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super().__init__(**kwargs)
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self._logger = logging.getLogger(__name__)
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self._client = client
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self._buttons = {}
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self._albums = None
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self._host = "localhost"
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self._item_size = 150
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self._sort_order = SortOrder.YEAR
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self._sort_type = Gtk.SortType.DESCENDING
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self._grid_pixbufs = {}
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self._old_ranges = {}
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self._library_lock = threading.Lock()
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self._library_stop = threading.Event()
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self._icon_theme = Gtk.IconTheme.get_for_display(Gdk.Display.get_default())
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self._standalone_pixbuf = None
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self._selected_albums = []
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self._grid_width = 0
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self._is_selected = False
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# Widgets
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# Header bar
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self._headerbar_standalone = AlbumHeaderbar()
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self._headerbar_standalone.connect('close', self.on_standalone_close_clicked)
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# Library Grid: Model
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self._library_grid_model = Gio.ListStore()
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self._library_grid_filter = Gtk.FilterListModel()
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self._library_grid_filter.set_model(self._library_grid_model)
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self._library_grid_selection_multi = Gtk.MultiSelection.new(self._library_grid_filter)
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self._library_grid_selection_single = Gtk.SingleSelection.new(self._library_grid_filter)
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# Library Grid
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self.library_grid.set_model(self._library_grid_selection_single)
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# Toolbar menu
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self.grid_scale.set_value(self._item_size)
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self._toolbar_sort_buttons = {
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SortOrder.ARTIST: self.sort_artist,
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SortOrder.TITLE: self.sort_title,
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SortOrder.YEAR: self.sort_year
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}
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# Button controller for grid scale
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buttonController = Gtk.GestureClick()
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buttonController.connect('unpaired-release', self.on_grid_scale_released)
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self.grid_scale.add_controller(buttonController)
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def get_headerbar_standalone(self):
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return self._headerbar_standalone
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def get_toolbar(self):
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return self.toolbar
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def set_selected(self, selected):
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self._is_selected = selected
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@Gtk.Template.Callback()
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def on_select_toggled(self, widget):
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if self.select_button.get_active():
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self.actionbar_revealer.set_reveal_child(True)
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self.library_grid.set_model(self._library_grid_selection_multi)
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self.library_grid.set_single_click_activate(False)
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self.library_grid.get_style_context().add_class(Utils.CSS_SELECTION)
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else:
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self.actionbar_revealer.set_reveal_child(False)
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self.library_grid.set_model(self._library_grid_selection_single)
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self.library_grid.set_single_click_activate(True)
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self.library_grid.get_style_context().remove_class(Utils.CSS_SELECTION)
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@Gtk.Template.Callback()
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def on_update_clicked(self, widget):
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self.emit('update')
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def on_grid_scale_released(self, widget, x, y, npress, sequence):
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size = math.floor(self.grid_scale.get_value())
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range = self.grid_scale.get_adjustment()
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if size < range.get_lower() or size > range.get_upper():
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return
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self._item_size = size
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self.emit('item-size-changed', size)
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self._redraw()
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GObject.idle_add(self.toolbar_popover.popdown)
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@Gtk.Template.Callback()
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def on_grid_scale_changed(self, widget):
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size = math.floor(self.grid_scale.get_value())
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range = widget.get_adjustment()
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if size < range.get_lower() or size > range.get_upper():
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return
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self._set_widget_grid_size(self.library_grid, size, True)
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@Gtk.Template.Callback()
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def on_sort_toggled(self, widget):
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if widget.get_active():
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self._sort_order = [key for key, value in self._toolbar_sort_buttons.items() if value is widget][0]
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self._sort_grid_model()
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self.emit('sort-order-changed', self._sort_order)
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@Gtk.Template.Callback()
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def on_sort_order_toggled(self, button):
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if button.get_active():
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self._sort_type = Gtk.SortType.DESCENDING
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else:
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self._sort_type = Gtk.SortType.ASCENDING
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self._sort_grid_model()
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self.emit('sort-type-changed', button.get_active())
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def set_size(self, width, height):
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width = self.scroll.get_width()
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if width == self._grid_width:
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return
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self._grid_width = width
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self.grid_scale.clear_marks()
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lower = int(self.grid_scale.get_adjustment().get_lower())
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upper = int(self.grid_scale.get_adjustment().get_upper())
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countMin = max(int(width / upper), 1)
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countMax = max(int(width / lower), 1)
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for index in range(countMin, countMax):
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pixel = int(width / index)
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pixel = pixel - (2 * int(pixel / 100))
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self.grid_scale.add_mark(
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pixel,
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Gtk.PositionType.BOTTOM,
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None
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)
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def on_toolbar_update(self, widget):
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self.emit('update')
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@Gtk.Template.Callback()
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def on_filter_entry_changed(self, widget):
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self._library_grid_filter.set_filter(SearchFilter(self.filter_entry.get_text()))
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@Gtk.Template.Callback()
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def on_library_grid_clicked(self, widget, position):
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# Get selected album
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item = self._library_grid_filter.get_item(position)
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album = item.get_album()
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id = album.get_id()
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self._selected_albums = [album]
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self.emit('albumart', id)
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# Show standalone album
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if widget.get_model() == self._library_grid_selection_single:
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# Set labels
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self._headerbar_standalone.set_album(album)
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# Show panel
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self._open_standalone()
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# Set cover loading indicator
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self.standalone_stack.set_visible_child(self.standalone_spinner)
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self.standalone_spinner.start()
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@Gtk.Template.Callback()
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def on_selection_cancel_clicked(self, widget):
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self.select_button.set_active(False)
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@Gtk.Template.Callback()
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def on_selection_add_clicked(self, widget):
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self.emit('queue-multiple', self._get_selected_albums())
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self.select_button.set_active(False)
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# FIXME on_standalone_scroll_size_allocate()
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#@Gtk.Template.Callback()
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def on_standalone_scroll_size_allocate(self, widget, allocation):
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self._resize_standalone_image()
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@Gtk.Template.Callback()
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def on_standalone_play_clicked(self, widget):
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self.emit('play', self._selected_albums[0].get_id())
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self._close_standalone()
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@Gtk.Template.Callback()
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def on_standalone_queue_clicked(self, widget):
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self.emit('queue', self._selected_albums[0].get_id())
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self._close_standalone()
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def on_standalone_close_clicked(self, widget):
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self._close_standalone()
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def show_search(self):
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self.filter_bar.set_search_mode(True)
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def set_item_size(self, item_size):
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if self._item_size != item_size:
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self._item_size = item_size
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self.grid_scale.set_value(item_size)
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self._redraw()
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def get_item_size(self):
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return self._item_size
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def set_sort_order(self, sort):
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button = self._toolbar_sort_buttons[sort]
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if button:
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self._sort_order = [key for key, value in self._toolbar_sort_buttons.items() if value is button][0]
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if not button.get_active():
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button.set_active(True)
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self._sort_grid_model()
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def set_sort_type(self, sort_type):
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sort_type_gtk = Gtk.SortType.DESCENDING if sort_type else Gtk.SortType.ASCENDING
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if sort_type_gtk != self._sort_type:
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self._sort_type = sort_type_gtk
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self.toolbar_sort_order_button.set_active(sort_type)
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self._sort_grid_model()
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def get_sort_type(self):
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return (self._sort_type != Gtk.SortType.ASCENDING)
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def init_albums(self):
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self.progress_bar.set_text(locale.gettext("Loading albums"))
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def load_albums(self):
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self.progress_bar.pulse()
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def set_albums(self, host, albums):
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self._host = host
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self._library_stop.set()
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threading.Thread(target=self._set_albums, args=(host, albums, self._item_size,)).start()
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def set_albumart(self, album, data):
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if album in self._selected_albums:
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if data:
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# Load image and draw it
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try:
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self._standalone_pixbuf = Utils.load_pixbuf(data)
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except Exception as e:
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self._logger.exception("Failed to set albumart")
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self._standalone_pixbuf = self._get_default_image()
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else:
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self._standalone_pixbuf = self._get_default_image()
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# Show image
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GObject.idle_add(self._show_image)
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def _sort_grid_model(self):
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self._library_grid_model.sort(self._grid_model_compare_func, self._sort_order, self._sort_type)
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def _grid_model_compare_func(self, item1, item2, criterion, order):
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return client.MCGAlbum.compare(item1.get_album(), item2.get_album(), criterion, (order == Gtk.SortType.DESCENDING))
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def stop_threads(self):
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self._library_stop.set()
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def _set_albums(self, host, albums, size):
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"""
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if not self._is_selected and albums != self._albums:
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GObject.idle_add(
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self.get_parent().child_set_property,
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self,
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'needs-attention',
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True
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)
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"""
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self._library_lock.acquire()
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self._albums = albums
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stack_transition_type = self.stack.get_transition_type()
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GObject.idle_add(self.stack.set_transition_type, Gtk.StackTransitionType.NONE)
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GObject.idle_add(self.stack.set_visible_child, self.progress_box)
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GObject.idle_add(self.progress_bar.set_fraction, 0.0)
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GObject.idle_add(self.stack.set_transition_type, stack_transition_type)
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GObject.idle_add(self._library_grid_model.remove_all)
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i = 0
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n = len(albums)
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cache = client.MCGCache(host, size)
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self._grid_pixbufs.clear()
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for album_id in albums.keys():
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album = albums[album_id]
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pixbuf = None
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try:
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pixbuf = Utils.load_thumbnail(cache, self._client, album, size)
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except client.CommandException:
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# Exception is handled by client
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pass
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except Exception as e:
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self._logger.exception("Failed to load albumart", e)
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if pixbuf is None:
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pixbuf = self._icon_theme.lookup_icon(
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Utils.STOCK_ICON_DEFAULT,
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None,
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self._item_size,
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self._item_size,
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Gtk.TextDirection.LTR,
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Gtk.IconLookupFlags.FORCE_SYMBOLIC
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)
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if pixbuf is not None:
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self._grid_pixbufs[album.get_id()] = pixbuf
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GObject.idle_add(self._library_grid_model.append, GridItem(album, pixbuf))
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i += 1
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GObject.idle_add(self.progress_bar.set_fraction, i/n)
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GObject.idle_add(self.progress_bar.set_text, locale.gettext("Loading images"))
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self._library_lock.release()
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self.stack.set_visible_child(self.scroll)
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self._sort_grid_model()
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def _set_widget_grid_size(self, grid_widget, size, vertical):
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self._library_stop.set()
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threading.Thread(target=self._set_widget_grid_size_thread, args=(grid_widget, size, vertical,)).start()
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def _set_widget_grid_size_thread(self, grid_widget, size, vertical):
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self._library_lock.acquire()
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self._library_stop.clear()
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if size == self._item_size:
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self._library_lock.release()
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return
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for i in range(self._library_grid_model.get_n_items()):
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grid_item = self._library_grid_model.get_item(i)
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album_id = grid_item.get_album().get_id()
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pixbuf = self._grid_pixbufs[album_id]
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if pixbuf is not None:
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pixbuf = pixbuf.scale_simple(size, size, GdkPixbuf.InterpType.NEAREST)
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else:
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pixbuf = self._icon_theme.lookup_icon(
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Utils.STOCK_ICON_DEFAULT,
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None,
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size,
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size,
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Gtk.TextDirection.LTR,
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Gtk.IconLookupFlags.FORCE_SYMBOLIC
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)
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GObject.idle_add(grid_item.set_cover, pixbuf)
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if self._library_stop.is_set():
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self._library_lock.release()
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return
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self._library_lock.release()
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def _show_image(self):
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self._resize_standalone_image()
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self.standalone_stack.set_visible_child(self.standalone_scroll)
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self.standalone_spinner.stop()
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def _redraw(self):
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if self._albums is not None:
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self.set_albums(self._host, self._albums)
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def _open_standalone(self):
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self.library_stack.set_visible_child(self.panel_standalone)
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self.emit('open-standalone')
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def _close_standalone(self):
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self.library_stack.set_visible_child(self.panel_normal)
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self.emit('close-standalone')
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def _resize_standalone_image(self):
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"""Diese Methode skaliert das geladene Bild aus dem Pixelpuffer
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auf die Größe des Fensters unter Beibehalt der Seitenverhältnisse
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"""
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pixbuf = self._standalone_pixbuf
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size = self.standalone_scroll.get_allocation()
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# Check pixelbuffer
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if pixbuf is None:
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return
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# Skalierungswert für Breite und Höhe ermitteln
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ratioW = float(size.width) / float(pixbuf.get_width())
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ratioH = float(size.height) / float(pixbuf.get_height())
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# Kleineren beider Skalierungswerte nehmen, nicht Hochskalieren
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ratio = min(ratioW, ratioH)
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ratio = min(ratio, 1)
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# Neue Breite und Höhe berechnen
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width = int(math.floor(pixbuf.get_width()*ratio))
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height = int(math.floor(pixbuf.get_height()*ratio))
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if width <= 0 or height <= 0:
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return
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# Pixelpuffer auf Oberfläche zeichnen
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self.standalone_image.set_from_pixbuf(pixbuf.scale_simple(width, height, GdkPixbuf.InterpType.HYPER))
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self.standalone_image.show()
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def _get_default_image(self):
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return self._icon_theme.lookup_icon(
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Utils.STOCK_ICON_DEFAULT,
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None,
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512,
|
|
512,
|
|
Gtk.TextDirection.LTR,
|
|
Gtk.IconLookupFlags.FORCE_SYMBOLIC
|
|
)
|
|
|
|
|
|
def _get_selected_albums(self):
|
|
albums = []
|
|
for i in range(self.library_grid.get_model().get_n_items()):
|
|
if self.library_grid.get_model().is_selected(i):
|
|
albums.append(self.library_grid.get_model().get_item(i).get_album())
|
|
return albums
|