Komplette ?berarbeitung der Gtk-GUI mit Verbindungspanel, Konfiguration, Threads etc.

This commit is contained in:
gotik 2012-06-19 02:37:14 +02:00
parent a3215ef759
commit 1570b3b121

421
mcgGtk.py
View file

@ -9,57 +9,247 @@ import mcg
UI_INFO = """
<ui>
<toolbar name='ToolBar'>
<toolitem action='Connect' />
<toolitem action='Update' />
</toolbar>
</ui>
"""
class MCGGtk(Gtk.Window):
_default_cover_size = 128
def __init__(self):
Gtk.Window.__init__(self, title="MPDCoverGridGTK")
self._mcg = mcg.MCGClient()
self._cover_pixbuf = None
self.set_default_size(600, 400)
self._config = Configuration()
self._quit = False
# Box
_main_box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
self.add(_main_box)
# UIManager
action_group = Gtk.ActionGroup("toolbar")
ui_manager = Gtk.UIManager()
ui_manager.add_ui_from_string(UI_INFO)
accel_group = ui_manager.get_accel_group()
self.add_accel_group(accel_group)
ui_manager.insert_action_group(action_group)
self._action_connect = Gtk.Action("Connect", "_Connect", "Connect to server", Gtk.STOCK_DISCONNECT)
self._action_connect.connect("activate", self.toolbar_callback)
action_group.add_action_with_accel(self._action_connect, None)
self._action_update = Gtk.Action("Update", "_Update", "Update library", Gtk.STOCK_REFRESH)
self._action_update.connect("activate", self.toolbar_callback)
action_group.add_action_with_accel(self._action_update, None)
self._main_box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
self.add(self._main_box)
# Toolbar
toolbar = ui_manager.get_widget("/ToolBar")
toolbar_context = toolbar.get_style_context()
toolbar_context.add_class(Gtk.STYLE_CLASS_PRIMARY_TOOLBAR)
_main_box.pack_start(toolbar, False, False, 0)
# HPaned
hpaned = Gtk.HPaned()
_main_box.pack_start(hpaned, True, True, 0)
self._toolbar = Toolbar()
self._main_box.pack_start(self._toolbar, False, False, 0)
# Connection Panel
self.set_default_size(600, 400)
self._connection_panel = ConnectionPanel(self._config)
self._main_box.pack_end(self._connection_panel, True, True, 0)
# Cover Panel
self._cover_panel = CoverPanel()
# Signals
self.connect("focus", self.focus)
self.connect("delete-event", self.destroy)
self._toolbar.connect_signal(Toolbar.SIGNAL_CONNECT, self._connect)
self._mcg.connect_signal(mcg.MCGClient.SIGNAL_CONNECT, self.connect_callback)
self._mcg.connect_signal(mcg.MCGClient.SIGNAL_UPDATE, self.update_callback)
self._mcg.connect_signal(mcg.MCGClient.SIGNAL_IDLE_PLAYER, self.idle_player_callback)
def focus(self, widget, state):
self._connect()
def destroy(self, widget, state):
self._mcg.close()
GObject.idle_add(Gtk.main_quit)
def _connect(self):
if self._mcg.is_connected():
self._cover_panel.stop_update()
self._mcg.disconnect()
else:
self._connection_panel.lock()
host = self._connection_panel.get_host()
port = self._connection_panel.get_port()
password = self._connection_panel.get_password()
self._mcg.connect(host, port, password)
def connect_callback(self, connected, message):
if connected:
GObject.idle_add(self._connect_connected)
else:
GObject.idle_add(self._connect_disconnected)
def _connect_connected(self):
self._toolbar.connected()
self._main_box.remove(self._connection_panel)
self._main_box.pack_start(self._cover_panel, True, True, 0)
self._main_box.show_all()
def _connect_disconnected(self):
self._main_box.remove(self._cover_panel)
self._main_box.pack_start(self._connection_panel, True, True, 0)
self._main_box.show_all()
self._connection_panel.unlock()
self._toolbar.disconnected()
def update_callback(self, albums):
self._cover_panel.update(albums)
def idle_player_callback(self, state, album):
GObject.idle_add(self._cover_panel.set_album, album.get_cover())
class Toolbar(Gtk.Toolbar):
SIGNAL_CONNECT = 'connect'
def __init__(self):
Gtk.Toolbar.__init__(self)
self._callbacks = {}
self.get_style_context().add_class(Gtk.STYLE_CLASS_PRIMARY_TOOLBAR)
self._connection_button = Gtk.ToolButton(Gtk.STOCK_DISCONNECT)
self._connection_button.connect("clicked", self._callback)
self.add(self._connection_button)
def connect_signal(self, signal, callback):
self._callbacks[signal] = callback
def connected(self):
self._connection_button.set_stock_id(Gtk.STOCK_CONNECT)
def disconnected(self):
self._connection_button.set_stock_id(Gtk.STOCK_DISCONNECT)
def _callback(self, widget):
signal = None
if widget == self._connection_button:
signal = self.SIGNAL_CONNECT
if signal in self._callbacks:
callback = self._callbacks[signal]
callback()
class ConnectionPanel(Gtk.Box):
def __init__(self, config):
Gtk.HBox.__init__(self)
self._callbacks = {}
self._config = config
vbox = Gtk.VBox()
self.pack_start(vbox, True, False, 0)
self._table = Gtk.Table(3, 2, False)
vbox.pack_start(self._table, True, False, 0)
# Host
host_label = Gtk.Label("Host:")
host_label.set_alignment(0, 0.5)
self._table.attach(host_label, 0, 1, 0, 1)
self._host_entry = Gtk.Entry()
self._host_entry.set_text("localhost")
self._host_entry.connect("focus-out-event", self._lost_focus)
self._table.attach(self._host_entry, 1, 2, 0, 1)
# Port
port_label = Gtk.Label("Port:")
port_label.set_alignment(0, 0.5)
self._table.attach(port_label, 0, 1, 1, 2)
adjustment = Gtk.Adjustment(6600, 1024, 9999, 1, 10, 10)
self._port_spinner = Gtk.SpinButton()
self._port_spinner.set_adjustment(adjustment)
self._port_spinner.connect("focus-out-event", self._lost_focus)
self._table.attach(self._port_spinner, 1, 2, 1, 2)
# Passwort
password_label = Gtk.Label("Password:")
password_label.set_alignment(0, 0.5)
self._table.attach(password_label, 0, 1, 2, 3)
self._password_entry = Gtk.Entry()
self._password_entry.set_visibility(False)
self._password_entry.connect("focus-out-event", self._lost_focus)
self._table.attach(self._password_entry, 1, 2, 2, 3)
self._load_config()
def _lost_focus(self, widget, data):
self._save_config()
def _load_config(self):
self.set_host(self._config.host)
self.set_port(self._config.port)
self.set_password(self._config.password)
def _save_config(self):
self._config.host = self._host_entry.get_text()
self._config.port = self._port_spinner.get_value_as_int()
self._config.password = self._password_entry.get_text()
self._config.save()
def set_host(self, host):
self._host_entry.set_text(host)
def get_host(self):
return self._host_entry.get_text()
def set_port(self, port):
self._port_spinner.set_value(port)
def get_port(self):
return self._port_spinner.get_value_as_int()
def set_password(self, password):
if password is None:
password = ""
self._password_entry.set_text(password)
def get_password(self):
if self._password_entry.get_text() == "":
return None
else:
return self._password_entry.get_text()
def lock(self):
self._lock(False)
def unlock(self):
self._lock(True)
def _lock(self, sensitive):
self._table.set_sensitive(sensitive)
from threading import Thread
class CoverPanel(Gtk.HPaned):
_default_cover_size = 128
def __init__(self):
Gtk.HPaned.__init__(self)
# Image
self._cover_pixbuf = None
self._cover_image = Gtk.Image()
self._cover_image.connect('size-allocate', self.on_resize)
# EventBox
self._cover_box = Gtk.EventBox()
self._cover_box.add(self._cover_image)
hpaned.pack1(self._cover_box, resize=True)
self.pack1(self._cover_box, resize=True)
# GridModel
self._cover_grid_model = Gtk.ListStore(GdkPixbuf.Pixbuf, str, str)
# GridView
@ -71,65 +261,42 @@ class MCGGtk(Gtk.Window):
self._cover_grid.set_margin(0)
self._cover_grid.set_row_spacing(0)
self._cover_grid.set_column_spacing(0)
self._cover_grid.set_item_padding(0)
self._cover_grid.set_item_padding(1)
self._cover_grid.set_reorderable(False)
self._cover_grid.set_selection_mode(Gtk.SelectionMode.SINGLE)
#color = self.get_style_context().lookup_color('bg_color')[1]
#self._cover_grid.override_background_color(Gtk.StateFlags.NORMAL, Gdk.RGBA(color.red, color.green, color.blue, 1))
# Scroll
_cover_grid_scroll = Gtk.ScrolledWindow()
_cover_grid_scroll.add_with_viewport(self._cover_grid)
hpaned.pack2(_cover_grid_scroll, resize=False)
# Signals
self.connect("focus", self.focus)
self.connect("delete-event", self.destroy)
#self.coverGrid.connect("selection-changed", self.coverGridShow)
self._cover_grid.connect("item-activated", self._cover_grid_play)
self._mcg.connect_signal(mcg.MCGClient.SIGNAL_CONNECT, self.connect_callback)
self._mcg.connect_signal(mcg.MCGClient.SIGNAL_IDLE_PLAYER, self.idle_player_callback)
self._mcg.connect_signal(mcg.MCGClient.SIGNAL_UPDATE, self.update_callback)
self._cover_grid_scroll = Gtk.ScrolledWindow()
self._cover_grid_scroll.set_policy(Gtk.PolicyType.NEVER, Gtk.PolicyType.AUTOMATIC)
self._cover_grid_scroll.add(self._cover_grid)
self.pack2(self._cover_grid_scroll, resize=False)
# Progress Bar
self._progress_box = Gtk.VBox()
self._progress_bar = Gtk.ProgressBar()
self._progress_box.pack_start(self._progress_bar, True, False, 0)
def destroy(self, widget, state):
if self._mcg is not None:
self._mcg.disconnect()
Gtk.main_quit()
def update(self, albums):
self._go = True
Thread(target=self._update, args=(albums,)).start()
def focus(self, widget, state):
self._update()
def stop_update(self):
self._go = False
def toolbar_callback(self, widget):
if widget == self._action_connect:
if self._mcg.is_connected():
self._mcg.disconnect()
else:
self._mcg.connect()
elif widget == self._action_update:
self._update()
def on_resize(self, widget, allocation):
self._resize_image()
def connect_callback(self, connected, message):
if connected:
self._action_connect.set_stock_id(Gtk.STOCK_CONNECT)
else:
self._action_connect.set_stock_id(Gtk.STOCK_DISCONNECT)
def idle_player_callback(self, state, album):
self._set_album(album.get_cover())
def update_callback(self, albums):
def _update(self, albums):
Gdk.threads_enter()
self.remove(self._cover_grid_scroll)
self._progress_bar.set_fraction(0.0)
self.pack2(self._progress_box, False)
self.show_all()
self._cover_grid.set_model(None)
self._cover_grid.freeze_child_notify()
self._cover_grid_model.clear()
Gdk.threads_leave()
i = 0
n = len(albums)
for hash in albums.keys():
album = albums[hash]
file = album.get_cover()
@ -139,35 +306,44 @@ class MCGGtk(Gtk.Window):
if pixbuf is None:
continue
self._cover_grid_model.append([pixbuf, album.get_title(), GObject.markup_escape_text("\n".join([album.get_title(), album.get_artist()]))])
i += 1
GObject.idle_add(self._progress_bar.set_fraction, i/n)
if not self._go:
self._cover_grid_model.clear()
break
Gdk.threads_enter()
self._cover_grid.set_model(self._cover_grid_model)
self._cover_grid.thaw_child_notify()
self.remove(self._progress_box)
self.pack2(self._cover_grid_scroll, False)
Gdk.threads_leave()
def _update(self):
if self._mcg is None or not self._mcg.is_connected():
return
self._mcg.update()
def _set_album(self, url):
# Pfad überprüfen
def set_album(self, url):
# Check path
if url is not None and url != "":
# Bild laden und zeichnen
# Load image and draw it
self._cover_pixbuf = GdkPixbuf.Pixbuf.new_from_file(url)
self._resize_image()
else:
# Bild zurücksetzen
# Reset image
self._cover_pixbuf = None
self._cover_image.clear()
def on_resize(self, widget, allocation):
self._resize_image()
def _resize_image(self):
"""Diese Methode skaliert das geladene Bild aus dem Pixelpuffer
auf die Größe des Fensters unter Beibehalt der Seitenverhältnisse
"""
pixbuf = self._cover_pixbuf
size = self._cover_image.get_allocation()
## Pixelpuffer überprüfen
## Check pixelbuffer
if pixbuf is None:
return
@ -184,15 +360,62 @@ class MCGGtk(Gtk.Window):
self._cover_image.set_from_pixbuf(pixbuf.scale_simple(width, height, GdkPixbuf.InterpType.HYPER))
def _cover_grid_play(self, widget, item):
# TODO coverGridPlay()
pass
import os
import configparser
class Configuration:
CONFIG_FILE = '~/.config/mcggtk.config'
def __init__(self):
self._config = configparser.RawConfigParser()
self.host = 'localhost'
self.port = 6600
self.password = ""
self.load()
def load(self):
if not os.path.isfile(self._get_filename()):
return
self._config.read(self._get_filename())
if self._config.has_section('connection'):
if self._config.has_option('connection', 'host'):
self.host = self._config.get('connection', 'host')
if self._config.has_option('connection', 'port'):
self.port = self._config.getint('connection', 'port')
if self._config.has_option('connection', 'password'):
self.password = self._config.get('connection', 'password')
def save(self):
if not self._config.has_section('connection'):
self._config.add_section('connection')
self._config.set('connection', 'host', self.host)
self._config.set('connection', 'port', self.port)
self._config.remove_option('connection', 'password')
if self.password is not "":
self._config.set('connection', 'password', self.password)
with open(self._get_filename(), 'w') as configfile:
self._config.write(configfile)
def _get_filename(self):
#return os.path.expanduser(self.CONFIG_FILE)
return 'config'
if __name__ == "__main__":
GObject.threads_init()
Gdk.threads_init()
mcgg = MCGGtk()
mcgg.show_all()
try: