/usr/share/kde4/apps/plasma/plasmoids/veromix-plasmoid/contents/code/SinkMbeqUI.py is in plasma-widget-veromix 0.18.3-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Copyright (C) 2011-2012 Nik Lutz <nik.lutz@gmail.com>
#
# This program 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 3 of the License, or
# (at your option) any later version.
#
# This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
import signal, os, datetime, urllib
from PyQt4.QtCore import *
from PyQt4.QtGui import *
from PyKDE4.kdeui import *
from PyKDE4.plasma import Plasma
from SinkUI import SinkUI
from LabelSlider import *
from veromixcommon.LADSPAEffects import *
class SinkMbeqUI(SinkUI):
muteInfo = pyqtSignal(bool)
def __init__(self , parent):
self.automatically_muted = False
self.extended_panel = None
self.sliders = {}
self.number_of_siders = 0
self.ladspa_sink_update = datetime.datetime.now()
self.ladspa_values = None
self.ladspa_timer_running = False
self.module_info = None
self.timer = QTimer()
self.timer.timeout.connect(self.on_timer)
SinkUI.__init__(self, parent)
self.setContentsMargins(0,0,0,0)
def initArrangement(self):
SinkUI.initArrangement(self)
self.create_sliders()
self.create_header()
def update_label(self):
text = ""
try:
if self.module_info == None:
pass
elif self.is_preset():
text = str(self.module_info["name"]) + " - " + str(self.module_info["preset_name"])
else:
text = str(self.module_info["name"])
except Exception, e:
print "SinkMbeqUI", e
if self.slider:
self.label.setBoldText(text)
self.set_name(text)
def create_sliders(self):
self.sliders = {}
self.equalizer_widget = QGraphicsWidget()
self.equalizer_layout = QGraphicsLinearLayout(Qt.Horizontal)
self.equalizer_layout.setContentsMargins(0,0,0,0)
self.equalizer_widget.setLayout(self.equalizer_layout)
self.equalizer_layout.setSizePolicy(QSizePolicy(QSizePolicy.Expanding, QSizePolicy.Minimum))
if self.module_info == None:
return
for i in range(0,self.number_of_siders):
self.sliders[i] = VerticalSlider()
self.sliders[i].setOrientation(Qt.Vertical)
self.sliders[i].nativeWidget().actionTriggered.connect(self.on_sliders_cb)
self.equalizer_layout.addItem(self.sliders[i])
self.equalizer_layout.addStretch()
def remove_equalizer_widget(self):
self.middle_layout.removeItem(self.equalizer_widget)
def add_equalizer_widget(self):
self.middle_layout.addItem(self.equalizer_widget)
def composeArrangement(self):
self.middle_layout.addItem(self.header_widget)
self.add_equalizer_widget()
self.layout.addItem(self.frame)
self.frame_layout.addItem(self.panel)
self.panel_layout.addItem(self.mute)
self.panel_layout.addItem(self.middle)
self.show_meter = False
def create_header(self):
self.header_widget = QGraphicsWidget()
self.header_layout = QGraphicsLinearLayout(Qt.Horizontal)
#self.header_layout.setContentsMargins(6,8,6,0)
self.header_layout.setContentsMargins(0,0,12,0)
self.header_widget.setLayout(self.header_layout)
self.header_widget.setSizePolicy(QSizePolicy(QSizePolicy.Expanding, QSizePolicy.Minimum))
self.label = Label()
self.label.setContentsMargins(0,0,0,0)
self.label.setSizePolicy(QSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed))
self.header_layout.addItem(self.label)
def _get_effect_settings(self):
effect = None
for preset in LADSPAEffects().effects():
if preset["label"] == self.module_info["label"]:
effect = preset
return effect
def createMiddle(self):
self.middle = QGraphicsWidget()
self.middle_layout = QGraphicsLinearLayout(Qt.Vertical)
#self.middle_layout.setContentsMargins(6,8,6,0)
self.middle_layout.setContentsMargins(0,0,0,0)
self.middle.setLayout(self.middle_layout)
self.middle.setSizePolicy(QSizePolicy(QSizePolicy.Expanding, QSizePolicy.Minimum))
self.createSlider()
def context_menu_create_custom(self):
self.create_menu_switch_preset()
self.create_menu_switch_effect()
self.action_kill = QAction(i18n("Disconnect/kill"), self.popup_menu)
self.popup_menu.addAction(self.action_kill)
def create_menu_switch_preset(self):
self.populate_presets_menu(self.popup_menu, urllib.unquote(str(self.module_info["sink_name"])), True)
def create_menu_switch_effect(self):
self.populate_switch_effect_menu(self.popup_menu, self.module_info["label"])
def on_contextmenu_clicked(self, action):
if action == self.action_save_preset:
LADSPAPresetLoader().write_preset(self.module_info)
elif action == self.action_save_as_preset:
self.veromix.showModalWidget(SaveAsDialog(self))
elif action == self.action_kill:
self.pa_sink.remove_ladspa_sink()
else:
self.on_change_effect(action.text())
def is_preset(self):
return self.module_info["name"] != self.module_info["preset_name"]
def context_menu_create_unlock_channels(self):
pass
def context_menu_create_sounddevices_other(self):
pass
def update_module_info(self, index, name, argument, n_used, auto_unload):
self.module_info = self.parse_module_info(argument)
if str(self.module_info["control"]) == "":
count = 0
controls = ""
else:
controls = self.module_info["control"].split(",")
count = len(controls)
if count != self.number_of_siders:
self.number_of_siders = count
self.remove_equalizer_widget()
self.create_sliders()
self.add_equalizer_widget()
self.set_name(self.module_info["sink_name"])
self.update_label()
for i in range(0,self.number_of_siders):
effect = self._get_effect_settings()
scale = effect["scale"][i]
minmax = effect["range"][i]
self.sliders[i].setMinimum(minmax[0] * scale)
self.sliders[i].setMaximum(minmax[1] * scale, False)
self.sliders[i].setText(effect["labels"][i])
#self.sliders[i].setBoldText(str(controls[i]))
tooltip = Plasma.ToolTipContent()
#tooltip.setImage(pixmapFromSVG("audio-volume-high"))
tooltip.setMainText(effect["name"] + " - " + effect["labels"][i] )
tooltip.setSubText(controls[i])
Plasma.ToolTipManager.self().setContent(self.sliders[i], tooltip)
Plasma.ToolTipManager.self().registerWidget(self.sliders[i])
value = float(controls[i]) * scale
self.sliders[i].setValue(int(value))
def parse_module_info(self, string):
args = {}
controls = string.split(" ")
for entry in controls:
s = entry.split("=")
if len(s) == 2:
args[s[0]]=s[1]
args["name"] = ""
if "device.ladspa.name" in self.pa_sink.props.keys():
args["name"] = self.pa_sink.props["device.ladspa.name"]
args["preset_name"] = urllib.unquote(str(args["sink_name"]))
return args
def on_sliders_cb(self, action):
if action == 7 or action == 3:
values = []
for i in range(0,self.number_of_siders):
values.append(self.sliders[i].value())
self.sliders[i].update_plasma_timestamp()
self._schedule_set_ladspa_sink(values)
def on_timer(self):
self.timer.stop()
self._set_ladspa_sink(self.ladspa_values)
def _schedule_set_ladspa_sink(self,values):
if self.timer.isActive():
self.timer.stop()
self.ladspa_values = values
self.timer.start(1000)
def _set_ladspa_sink(self, values):
if self.module_info == None:
return
control = ""
effect = self._get_effect_settings()
i = 0
# multiply (visible) values with scale
for val in values:
scale = effect["scale"][i]
control = control + str(float(val)/float(scale)) + ","
i = i + 1
self.module_info["control"] = control[:-1]
parameters = "sink_name=%(sink_name)s master=%(master)s plugin=%(plugin)s label=%(label)s control=%(control)s" % self.module_info
self.pa_sink.set_ladspa_sink(parameters)
def on_change_effect(self, value):
self.on_set_ladspa_effect(value, self.module_info["master"])
def get_ladspa_type(self):
# FIXME
return "ladspa"
def wheelEvent(self, event):
pass
def on_close_save_dialog(self):
self.veromix.destroyMessageOverlay()
def save_preset(self, name):
self.module_info["preset_name"] = str(name)
LADSPAPresetLoader().write_preset(self.module_info)
self.on_change_effect(str(name))
self.on_close_save_dialog()
def context_menu_create_effects(self):
pass
class SaveAsDialog(QGraphicsWidget):
def __init__(self, sinkmbequi):
QGraphicsWidget .__init__(self)
self.sinkmbequi = sinkmbequi
self.setAutoFillBackground(True)
layout = QGraphicsLinearLayout(Qt.Vertical)
self.setLayout(layout)
input_widget = QGraphicsWidget()
input_layout = QGraphicsLinearLayout(Qt.Horizontal)
input_widget.setLayout(input_layout)
label = Plasma.Label()
label.setText("<b>"+i18n("Name")+"</b>")
input_layout.addItem(label)
self.text_field = Plasma.LineEdit()
input_layout.addItem(self.text_field)
layout.addItem(input_widget)
button_widget = QGraphicsWidget()
button_layout = QGraphicsLinearLayout(Qt.Horizontal)
button_widget.setLayout(button_layout)
button_layout.addStretch()
cancel_button = Plasma.PushButton()
cancel_button.setText(i18n("Cancel"))
cancel_button.clicked.connect(self.sinkmbequi.on_close_save_dialog)
button_layout.addItem(cancel_button)
save_button = Plasma.PushButton()
save_button.setText(i18n("Save"))
save_button.clicked.connect(self.on_save_clicked)
button_layout.addItem(save_button)
layout.addItem(button_widget)
layout.addStretch()
def on_save_clicked(self):
if self.text_field.text() == "":
return
self.sinkmbequi.save_preset(self.text_field.text())
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