#!/usr/bin/env python3 # -*- coding: utf-8 -*- # Carla host code # Copyright (C) 2011-2017 Filipe Coelho # # 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 2 of # the License, or 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. # # For a full copy of the GNU General Public License see the doc/GPL.txt file. # ------------------------------------------------------------------------------------------------------------ # Imports (Config) from carla_config import * # ------------------------------------------------------------------------------------------------------------ # Imports (Global) if config_UseQt5: from PyQt5.QtCore import pyqtSlot from PyQt5.QtGui import QDialog, QFontMetrics from PyQt5.QtWidgets import QDialog else: from PyQt4.QtCore import pyqtSlot from PyQt4.QtGui import QDialog, QFontMetrics # ------------------------------------------------------------------------------------------------------------ # Imports (Custom) from carla_shared import * import ui_carla_panel_time # ------------------------------------------------------------------------------------------------------------ # Time Panel class CarlaPanelTime(QDialog): def __init__(self, host, parent): QDialog.__init__(self, parent) self.host = host self.ui = ui_carla_panel_time.Ui_Dialog() self.ui.setupUi(self) if False: # kdevelop likes this :) host = CarlaHostNull() self.host = host # ---------------------------------------------------------------------------------------------------- # Internal stuff self.fLastTransportBPM = 0.0 self.fLastTransportFrame = 0 self.fLastTransportState = False self.fSampleRate = 0.0 self.ui.l_time_frame.setMinimumWidth(QFontMetrics(self.ui.l_time_frame.font()).width("000'000'000") + 3) self.ui.l_time_clock.setMinimumWidth(QFontMetrics(self.ui.l_time_clock.font()).width("00:00:00") + 3) self.ui.l_time_bbt.setMinimumWidth(QFontMetrics(self.ui.l_time_bbt.font()).width("000|00|0000") + 3) # ---------------------------------------------------------------------------------------------------- # Disable buttons if plugin if host.isPlugin: self.ui.b_play.setEnabled(False) self.ui.b_stop.setEnabled(False) self.ui.b_backwards.setEnabled(False) self.ui.b_forwards.setEnabled(False) self.ui.cb_transport_link.setEnabled(False) self.ui.dsb_bpm.setEnabled(False) # ---------------------------------------------------------------------------------------------------- # Connect actions to functions self.ui.b_play.clicked.connect(self.slot_transportPlayPause) self.ui.b_stop.clicked.connect(self.slot_transportStop) self.ui.b_backwards.clicked.connect(self.slot_transportBackwards) self.ui.b_forwards.clicked.connect(self.slot_transportForwards) self.ui.cb_transport_jack.clicked.connect(self.slot_transportJackEnabled) self.ui.cb_transport_link.clicked.connect(self.slot_transportLinkEnabled) host.EngineStartedCallback.connect(self.slot_handleEngineStartedCallback) host.EngineStoppedCallback.connect(self.slot_handleEngineStoppedCallback) host.SampleRateChangedCallback.connect(self.slot_handleSampleRateChangedCallback) # -------------------------------------------------------------------------------------------------------- # Button actions @pyqtSlot(bool) def slot_transportPlayPause(self, toggled): if self.host.isPlugin or not self.host.is_engine_running(): return if toggled: self.host.transport_play() else: self.host.transport_pause() self.refreshTransport() @pyqtSlot() def slot_transportStop(self): if self.host.isPlugin or not self.host.is_engine_running(): return self.host.transport_pause() self.host.transport_relocate(0) self.refreshTransport() @pyqtSlot() def slot_transportBackwards(self): if self.host.isPlugin or not self.host.is_engine_running(): return newFrame = self.host.get_current_transport_frame() - 100000 if newFrame < 0: newFrame = 0 self.host.transport_relocate(newFrame) @pyqtSlot() def slot_transportForwards(self): if self.fSampleRate == 0.0 or self.host.isPlugin or not self.host.is_engine_running(): return newFrame = self.host.get_current_transport_frame() + int(self.fSampleRate*2.5) self.host.transport_relocate(newFrame) @pyqtSlot(bool) def slot_transportJackEnabled(self, clicked): if not self.host.is_engine_running(): return mode = ENGINE_TRANSPORT_MODE_JACK if clicked else ENGINE_TRANSPORT_MODE_INTERNAL self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, mode, "") @pyqtSlot(bool) def slot_transportLinkEnabled(self, clicked): if not self.host.is_engine_running(): return def showEvent(self, event): self.refreshTransport(True) QDialog.showEvent(self, event) def refreshTransport(self, forced = False): if not self.isVisible(): return if self.fSampleRate == 0.0 or not self.host.is_engine_running(): return timeInfo = self.host.get_transport_info() playing = timeInfo['playing'] frame = timeInfo['frame'] bpm = timeInfo['bpm'] if playing != self.fLastTransportState or forced: if playing: icon = getIcon("media-playback-pause") self.ui.b_play.setChecked(True) self.ui.b_play.setIcon(icon) #self.ui.b_play.setText(self.tr("&Pause")) else: icon = getIcon("media-playback-start") self.ui.b_play.setChecked(False) self.ui.b_play.setIcon(icon) #self.ui.b_play.setText(self.tr("&Play")) self.fLastTransportState = playing if frame != self.fLastTransportFrame or forced: self.fLastTransportFrame = frame time = frame / self.fSampleRate secs = time % 60 mins = (time / 60) % 60 hrs = (time / 3600) % 60 self.ui.l_time_clock.setText("%02i:%02i:%02i" % (hrs, mins, secs)) frame1 = frame % 1000 frame2 = (frame / 1000) % 1000 frame3 = (frame / 1000000) % 1000 self.ui.l_time_frame.setText("%03i'%03i'%03i" % (frame3, frame2, frame1)) bar = timeInfo['bar'] beat = timeInfo['beat'] tick = timeInfo['tick'] self.ui.l_time_bbt.setText("%03i|%02i|%04i" % (bar, beat, tick)) if bpm != self.fLastTransportBPM or forced: self.fLastTransportBPM = bpm if bpm > 0.0: self.ui.dsb_bpm.setValue(bpm) self.ui.dsb_bpm.setStyleSheet("") else: self.ui.dsb_bpm.setStyleSheet("QDoubleSpinBox { color: palette(mid); }") # -------------------------------------------------------------------------------------------------------- # Engine callbacks @pyqtSlot(int, int, str) def slot_handleEngineStartedCallback(self, processMode, transportMode, driverName): self.fSampleRate = self.host.get_sample_rate() self.refreshTransport(True) self.ui.cb_transport_jack.setEnabled(driverName == "JACK") self.ui.cb_transport_jack.setChecked(transportMode == ENGINE_TRANSPORT_MODE_JACK) @pyqtSlot(float) def slot_handleSampleRateChangedCallback(self, newSampleRate): self.fSampleRate = newSampleRate self.refreshTransport(True) # ------------------------------------------------------------------------------------------------------------