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# Copyright (c) 2016 The GNOME Music Developers
#
# GNOME Music is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# GNOME Music is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with GNOME Music; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# The GNOME Music authors hereby grant permission for non-GPL compatible
# GStreamer plugins to be used and distributed together with GStreamer
# and GNOME Music. This permission is above and beyond the permissions
# granted by the GPL license by which GNOME Music is covered. If you
# modify this code, you may extend this exception to your version of the
# code, but you are not obligated to do so. If you do not wish to do so,
# delete this exception statement from your version.
from gettext import gettext as _
from gi.repository import Gdk, Gtk, Pango
from gnomemusic.coresong import CoreSong
from gnomemusic.musiclogger import MusicLogger
from gnomemusic.player import PlayerPlaylist
from gnomemusic.utils import SongStateIcon
from gnomemusic.views.baseview import BaseView
from gnomemusic.widgets.starhandlerwidget import StarHandlerWidget
class SongsView(BaseView):
"""Main view of all songs sorted artistwise
Consists all songs along with songname, star, length, artist
and the album name.
"""
_log = MusicLogger()
def __init__(self, application):
"""Initialize
:param GtkApplication window: The application object
"""
self._coremodel = application.props.coremodel
super().__init__('songs', _("Songs"), application)
self._iter_to_clean = None
self._view.get_style_context().add_class('songs-list-old')
self._add_list_renderers()
self._playlist_model = self._coremodel.props.playlist_sort
self._player = application.props.player
self._player.connect('song-changed', self._update_model)
self._model = self._view.props.model
self._view.show()
def _setup_view(self):
view_container = Gtk.ScrolledWindow(hexpand=True, vexpand=True)
self._box.pack_start(view_container, True, True, 0)
self._view = Gtk.TreeView()
self._view.props.headers_visible = False
self._view.props.valign = Gtk.Align.START
self._view.props.model = self._coremodel.props.songs_gtkliststore
self._view.props.activate_on_single_click = True
self._ctrl = Gtk.GestureMultiPress().new(self._view)
self._ctrl.props.propagation_phase = Gtk.PropagationPhase.CAPTURE
self._ctrl.connect("released", self._on_view_clicked)
self._view.get_selection().props.mode = Gtk.SelectionMode.SINGLE
self._view.connect('row-activated', self._on_item_activated)
view_container.add(self._view)
def _add_list_renderers(self):
now_playing_symbol_renderer = Gtk.CellRendererPixbuf(
xpad=0, xalign=0.5, yalign=0.5)
column_now_playing = Gtk.TreeViewColumn()
column_now_playing.props.fixed_width = 48
column_now_playing.pack_start(now_playing_symbol_renderer, False)
column_now_playing.set_cell_data_func(
now_playing_symbol_renderer, self._on_list_widget_icon_render,
None)
self._view.append_column(column_now_playing)
selection_renderer = Gtk.CellRendererToggle()
column_selection = Gtk.TreeViewColumn(
"Selected", selection_renderer, active=1)
column_selection.props.visible = False
column_selection.props.fixed_width = 48
self._view.append_column(column_selection)
title_renderer = Gtk.CellRendererText(
xpad=0, xalign=0.0, yalign=0.5, height=48,
ellipsize=Pango.EllipsizeMode.END)
column_title = Gtk.TreeViewColumn("Title", title_renderer, text=2)
column_title.props.expand = True
self._view.append_column(column_title)
artist_renderer = Gtk.CellRendererText(
xpad=32, ellipsize=Pango.EllipsizeMode.END)
column_artist = Gtk.TreeViewColumn("Artist", artist_renderer, text=3)
column_artist.props.expand = True
self._view.append_column(column_artist)
album_renderer = Gtk.CellRendererText(
xpad=32, ellipsize=Pango.EllipsizeMode.END)
column_album = Gtk.TreeViewColumn("Album", album_renderer, text=4)
column_album.props.expand = True
self._view.append_column(column_album)
attrs = None
# The attributes syntax is only possible with Pango 1.44 and above
# https://gitlab.gnome.org/GNOME/pygobject/issues/312
try:
attrs = Pango.AttrList()
attrs.insert(Pango.AttrFontFeatures.new("tnum=1"))
except AttributeError as error:
self._log.warning("Error: {}".format(error))
duration_renderer = Gtk.CellRendererText(xalign=1.0, attributes=attrs)
column_duration = Gtk.TreeViewColumn(
"Duration", duration_renderer, text=5)
self._view.append_column(column_duration)
self._star_handler = StarHandlerWidget(self, 6)
column_star = Gtk.TreeViewColumn()
self._view.append_column(column_star)
self._star_handler.add_star_renderers(column_star)
def _on_list_widget_icon_render(self, col, cell, model, itr, data):
current_song = self._player.props.current_song
if current_song is None:
return
coresong = model[itr][7]
if coresong.props.validation == CoreSong.Validation.FAILED:
cell.props.icon_name = SongStateIcon.ERROR.value
cell.props.visible = True
elif coresong.props.grlid == current_song.props.grlid:
cell.props.icon_name = SongStateIcon.PLAYING.value
cell.props.visible = True
else:
cell.props.visible = False
def _on_selection_mode_changed(self, widget, data=None):
if self.get_parent().get_visible_child() != self:
return
super()._on_selection_mode_changed(widget, data)
cols = self._view.get_columns()
cols[1].props.visible = self.props.selection_mode
def _on_item_activated(self, treeview, path, column):
"""Action performed when clicking on a song
clicking on star column toggles favorite
clicking on an other columns launches player
:param Gtk.TreeView treeview: self._view
:param Gtk.TreePath path: activated row index
:param Gtk.TreeViewColumn column: activated column
"""
if self._star_handler.star_renderer_click:
self._star_handler.star_renderer_click = False
return
if self.props.selection_mode:
return
itr = self._view.props.model.get_iter(path)
coresong = self._view.props.model[itr][7]
self._coremodel.set_player_model(
PlayerPlaylist.Type.SONGS, self._view.props.model)
self._player.play(coresong)
def _on_view_clicked(self, gesture, n_press, x, y):
"""Ctrl+click on self._view triggers selection mode."""
_, state = Gtk.get_current_event_state()
modifiers = Gtk.accelerator_get_default_mod_mask()
if (state & modifiers == Gdk.ModifierType.CONTROL_MASK
and not self.props.selection_mode):
self.props.selection_mode = True
# FIXME: In selection mode, star clicks might still trigger
# activation.
if self.props.selection_mode:
path = self._view.get_path_at_pos(x, y)
if path is None:
return
iter_ = self._view.props.model.get_iter(path[0])
new_fav_status = not self._model[iter_][1]
self._model[iter_][1] = new_fav_status
self._model[iter_][7].props.selected = new_fav_status
def _update_model(self, player):
"""Updates model when the song changes
:param Player player: The main player object
"""
# iter_to_clean is necessary because of a bug in GtkTreeView
# See https://gitlab.gnome.org/GNOME/gtk/issues/503
if self._iter_to_clean:
self._view.props.model[self._iter_to_clean][9] = False
index = self._player.props.position
current_coresong = self._playlist_model[index]
for idx, liststore in enumerate(self._view.props.model):
if liststore[7] == current_coresong:
break
iter_ = self._view.props.model.get_iter_from_string(str(idx))
path = self._view.props.model.get_path(iter_)
self._view.props.model[iter_][9] = True
self._view.scroll_to_cell(path, None, True, 0.5, 0.5)
if self._view.props.model[iter_][0] != SongStateIcon.ERROR.value:
self._iter_to_clean = iter_.copy()
return False
def _select(self, value):
with self._model.freeze_notify():
itr = self._model.iter_children(None)
while itr is not None:
self._model[itr][7].props.selected = value
self._model[itr][1] = value
itr = self._model.iter_next(itr)
def select_all(self):
self._select(True)
def deselect_all(self):
self._select(False)
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