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capela |
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// qsamplerChannelStrip.ui.h |
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// |
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// ui.h extension file, included from the uic-generated form implementation. |
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/**************************************************************************** |
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Copyright (C) 2004, rncbc aka Rui Nuno Capela. All rights reserved. |
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This program is free software; you can redistribute it and/or |
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modify it under the terms of the GNU General Public License |
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as published by the Free Software Foundation; either version 2 |
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of the License, or (at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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*****************************************************************************/ |
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#include <qvalidator.h> |
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#include <qmessagebox.h> |
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#include <qfileinfo.h> |
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#include <qtooltip.h> |
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#include <math.h> |
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#include "qsamplerMainForm.h" |
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#include "qsamplerChannelForm.h" |
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#include "config.h" |
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// Kind of constructor. |
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void qsamplerChannelStrip::init (void) |
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{ |
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// Initialize locals. |
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m_pMainForm = NULL; |
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m_iChannelID = 0; |
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// m_sEngineName = "(No engine)"; |
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// m_sInstrumentFile = "(No instrument)"; |
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m_iInstrumentNr = 0; |
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m_sMidiDriver = "ALSA"; // DEPRECATED. |
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m_iMidiDevice = 0; |
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m_iMidiPort = 0; |
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m_iMidiChannel = 0; |
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m_sAudioDriver = "ALSA"; // DEPRECATED. |
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m_iAudioDevice = 0; |
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m_fVolume = 0.0; |
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m_iDirtyChange = 0; |
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// Try to restore normal window positioning. |
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adjustSize(); |
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} |
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// Kind of destructor. |
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void qsamplerChannelStrip::destroy (void) |
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{ |
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} |
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// Channel strip setup formal initializer. |
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void qsamplerChannelStrip::setup ( qsamplerMainForm *pMainForm, int iChannelID ) |
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{ |
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m_iDirtyChange = 0; |
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m_pMainForm = pMainForm; |
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setChannelID(iChannelID); |
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} |
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// The global options settings delegated property. |
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qsamplerOptions *qsamplerChannelStrip::options (void) |
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{ |
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if (m_pMainForm == NULL) |
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return NULL; |
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return m_pMainForm->options(); |
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} |
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// The client descriptor delegated property. |
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lscp_client_t *qsamplerChannelStrip::client (void) |
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{ |
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if (m_pMainForm == NULL) |
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return NULL; |
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return m_pMainForm->client(); |
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} |
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// Channel-ID (aka Sammpler-Channel) accessors. |
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int qsamplerChannelStrip::channelID (void) |
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{ |
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return m_iChannelID; |
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} |
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void qsamplerChannelStrip::setChannelID ( int iChannelID ) |
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{ |
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m_iChannelID = iChannelID; |
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updateChannelInfo(); |
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} |
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// Engine name accessors. |
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QString& qsamplerChannelStrip::engineName (void) |
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{ |
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return m_sEngineName; |
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} |
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bool qsamplerChannelStrip::loadEngine ( const QString& sEngineName ) |
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{ |
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if (client() == NULL) |
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return false; |
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if (::lscp_load_engine(client(), sEngineName.latin1(), m_iChannelID) != LSCP_OK) { |
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appendMessagesClient("lscp_load_engine"); |
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return false; |
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} |
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m_sEngineName = sEngineName; |
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return true; |
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} |
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// Instrument filename accessors. |
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QString& qsamplerChannelStrip::instrumentFile (void) |
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{ |
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return m_sInstrumentFile; |
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} |
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// Instrument index accessors. |
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int qsamplerChannelStrip::instrumentNr (void) |
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{ |
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return m_iInstrumentNr; |
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} |
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bool qsamplerChannelStrip::loadInstrument ( const QString& sInstrumentFile, int iInstrumentNr ) |
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{ |
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if (client() == NULL) |
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return false; |
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if (::lscp_load_instrument(client(), sInstrumentFile.latin1(), iInstrumentNr, m_iChannelID) != LSCP_OK) { |
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appendMessagesClient("lscp_load_instrument"); |
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return false; |
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} |
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m_sInstrumentFile = sInstrumentFile; |
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m_iInstrumentNr = iInstrumentNr; |
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return true; |
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} |
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// MIDI driver type accessors (DEPRECATED). |
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QString& qsamplerChannelStrip::midiDriver (void) |
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{ |
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return m_sMidiDriver; |
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} |
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bool qsamplerChannelStrip::setMidiDriver ( const QString& sMidiDriver ) |
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{ |
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if (client() == NULL) |
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return false; |
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if (::lscp_set_channel_midi_type(client(), m_iChannelID, sMidiDriver.latin1()) != LSCP_OK) { |
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appendMessagesClient("lscp_set_channel_midi_type"); |
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return false; |
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} |
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m_sMidiDriver = sMidiDriver; |
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return true; |
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} |
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// MIDI device accessors. |
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int qsamplerChannelStrip::midiDevice (void) |
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{ |
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return m_iMidiDevice; |
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} |
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bool qsamplerChannelStrip::setMidiDevice ( int iMidiDevice ) |
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{ |
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if (client() == NULL) |
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return false; |
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// FIXME: call this when LSCP becomes stable. |
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// if (::lscp_set_channel_midi_device(client(), m_iChannelID, iMidiDevice) != LSCP_OK) { |
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// appendMessagesClient("lscp_set_channel_midi_device"); |
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// return false; |
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// } |
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m_iMidiDevice = iMidiDevice; |
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return true; |
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} |
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// MIDI port number accessor. |
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int qsamplerChannelStrip::midiPort (void) |
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{ |
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return m_iMidiPort; |
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} |
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bool qsamplerChannelStrip::setMidiPort ( int iMidiPort ) |
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{ |
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if (client() == NULL) |
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return false; |
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// FIXME: call this when LSCP becomes stable. |
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// if (::lscp_set_channel_midi_port(client(), m_iChannelID, iMidiPort) != LSCP_OK) { |
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// appendMessagesClient("lscp_set_channel_midi_port"); |
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// return false; |
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// } |
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m_iMidiPort = iMidiPort; |
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return true; |
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} |
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// MIDI channel accessor. |
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int qsamplerChannelStrip::midiChannel (void) |
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{ |
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return m_iMidiChannel; |
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} |
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bool qsamplerChannelStrip::setMidiChannel ( int iMidiChannel ) |
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{ |
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if (client() == NULL) |
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return false; |
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// FIXME: call this when LSCP becomes stable. |
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// if (::lscp_set_channel_midi_channel(client(), m_iChannelID, iMidiChannel) != LSCP_OK) { |
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// appendMessagesClient("lscp_set_channel_midi_channel"); |
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// return false; |
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// } |
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m_iMidiChannel = iMidiChannel; |
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return true; |
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} |
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// Audio device accessor. |
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int qsamplerChannelStrip::audioDevice (void) |
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{ |
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return m_iAudioDevice; |
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} |
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bool qsamplerChannelStrip::setAudioDevice ( int iAudioDevice ) |
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{ |
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if (client() == NULL) |
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return false; |
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// FIXME: call this when LSCP becomes stable. |
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// if (::lscp_set_channel_audio_device(client(), m_iChannelID, iAudioDevice) != LSCP_OK) { |
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// appendMessagesClient("lscp_set_channel_audio_device"); |
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// return false; |
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// } |
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m_iAudioDevice = iAudioDevice; |
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return true; |
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} |
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// Audio driver type accessors (DEPRECATED). |
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QString& qsamplerChannelStrip::audioDriver (void) |
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{ |
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return m_sAudioDriver; |
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} |
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bool qsamplerChannelStrip::setAudioDriver ( const QString& sAudioDriver ) |
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{ |
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if (client() == NULL) |
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return false; |
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if (::lscp_set_channel_audio_type(client(), m_iChannelID, sAudioDriver.latin1()) != LSCP_OK) { |
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appendMessagesClient("lscp_set_channel_audio_type"); |
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return false; |
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} |
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m_sAudioDriver = sAudioDriver; |
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return true; |
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} |
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// Channel volume accessors. |
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float qsamplerChannelStrip::volume (void) |
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{ |
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return m_fVolume; |
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} |
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bool qsamplerChannelStrip::setVolume ( float fVolume ) |
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{ |
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if (client() == NULL) |
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return false; |
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if (::lscp_set_channel_volume(client(), m_iChannelID, fVolume) != LSCP_OK) { |
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appendMessagesClient("lscp_set_channel_volume"); |
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return false; |
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} |
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m_fVolume = fVolume; |
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return true; |
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} |
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// Messages view font accessors. |
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QFont qsamplerChannelStrip::displayFont (void) |
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{ |
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return EngineNameTextLabel->font(); |
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} |
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void qsamplerChannelStrip::setDisplayFont ( const QFont & font ) |
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{ |
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EngineNameTextLabel->setFont(font); |
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InstrumentNameTextLabel->setFont(font); |
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MidiPortChannelTextLabel->setFont(font); |
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} |
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// Channel setup dialog. |
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void qsamplerChannelStrip::channelSetup (void) |
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{ |
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qsamplerChannelForm *pChannelForm = new qsamplerChannelForm(this); |
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if (pChannelForm) { |
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pChannelForm->setup(this); |
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if (pChannelForm->exec()) { |
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updateChannelInfo(); |
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emit channelChanged(this); |
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} |
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delete pChannelForm; |
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} |
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} |
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// Update whole channel info state. |
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void qsamplerChannelStrip::updateChannelInfo (void) |
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{ |
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// Update strip caption. |
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QString sText = tr("Channel %1").arg(m_iChannelID); |
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setCaption(sText); |
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ChannelSetupPushButton->setText(sText); |
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// Check if we're up and connected. |
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if (client() == NULL) |
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return; |
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// Read channel information. |
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lscp_channel_info_t *pChannelInfo = ::lscp_get_channel_info(client(), m_iChannelID); |
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if (pChannelInfo == NULL) { |
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appendMessagesClient("lscp_get_channel_info"); |
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// appendMessagesError(tr("Could not get channel information.\n\nSorry.")); |
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} else { |
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// Cache in channel information. |
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m_sEngineName = pChannelInfo->engine_name; |
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m_sInstrumentFile = pChannelInfo->instrument_file; |
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m_iInstrumentNr = pChannelInfo->instrument_nr; |
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m_iMidiDevice = pChannelInfo->midi_device; |
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m_iMidiPort = pChannelInfo->midi_port; |
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m_iMidiChannel = pChannelInfo->midi_channel; |
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m_iAudioDevice = pChannelInfo->audio_device; |
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m_fVolume = pChannelInfo->volume; |
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} |
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// Set some proper display values. |
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// Engine name... |
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if (m_sEngineName.isEmpty()) |
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EngineNameTextLabel->setText(tr("(No engine)")); |
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else |
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EngineNameTextLabel->setText(m_sEngineName); |
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// Instrument name... |
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if (m_sInstrumentFile.isEmpty()) |
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InstrumentNameTextLabel->setText(tr("(No instrument)")); |
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else |
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InstrumentNameTextLabel->setText(QString("%1 [%2]") |
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.arg(QFileInfo(m_sInstrumentFile).fileName()).arg(m_iInstrumentNr)); |
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// MIDI Port/Channel... |
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MidiPortChannelTextLabel->setText(QString("%1 / %2") |
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.arg(m_iMidiPort).arg(m_iMidiChannel)); |
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// And update the both GUI volume elements. |
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updateChannelVolume(); |
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} |
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// Do the dirty volume change. |
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void qsamplerChannelStrip::updateChannelVolume (void) |
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{ |
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// Convert... |
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#ifdef CONFIG_ROUND |
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int iVolume = (int) ::round(100.0 * m_fVolume); |
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#else |
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double fIPart = 0.0; |
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double fFPart = ::modf(100.0 * m_fVolume, &fIPart); |
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int iVolume = (int) fIPart; |
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if (fFPart >= +0.5) |
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iVolume++; |
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else |
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if (fFPart <= -0.5) |
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iVolume--; |
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#endif |
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// And clip... |
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if (iVolume > 100) |
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iVolume = 100; |
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else if (iVolume < 0) |
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iVolume = 0; |
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415 |
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|
// Flag it here, to avoid infinite recursion. |
416 |
|
|
m_iDirtyChange++; |
417 |
|
|
VolumeSlider->setValue(iVolume); |
418 |
|
|
VolumeSpinBox->setValue(iVolume); |
419 |
|
|
m_iDirtyChange--; |
420 |
|
|
} |
421 |
|
|
|
422 |
|
|
|
423 |
|
|
// Update whole channel usage state. |
424 |
|
|
void qsamplerChannelStrip::updateChannelUsage (void) |
425 |
|
|
{ |
426 |
|
|
if (client() == NULL) |
427 |
|
|
return; |
428 |
|
|
|
429 |
|
|
// Get current channel voice count. |
430 |
|
|
int iVoiceCount = ::lscp_get_channel_voice_count(client(), m_iChannelID); |
431 |
|
|
// Get current stream count. |
432 |
|
|
int iStreamCount = ::lscp_get_channel_stream_count(client(), m_iChannelID); |
433 |
|
|
// Get current channel buffer fill usage. |
434 |
|
|
// As benno has suggested this is the percentage usage |
435 |
|
|
// of the least filled buffer stream... |
436 |
|
|
int iStreamUsage = 0; |
437 |
|
|
if (iStreamCount > 0) { |
438 |
|
|
lscp_buffer_fill_t *pBufferFill = ::lscp_get_channel_buffer_fill(client(), LSCP_USAGE_PERCENTAGE, m_iChannelID); |
439 |
|
|
if (pBufferFill) { |
440 |
|
|
for (int iStream = 0; iStream < iStreamCount; iStream++) { |
441 |
|
|
if (iStreamUsage > (int) pBufferFill[iStream].stream_usage || iStream == 0) |
442 |
|
|
iStreamUsage = pBufferFill[iStream].stream_usage; |
443 |
|
|
} |
444 |
|
|
} |
445 |
|
|
} |
446 |
|
|
// Update the GUI elements... |
447 |
|
|
StreamUsageProgressBar->setProgress(iStreamUsage); |
448 |
|
|
StreamVoiceCountTextLabel->setText(QString("%1 / %2").arg(iStreamCount).arg(iVoiceCount)); |
449 |
|
|
} |
450 |
|
|
|
451 |
|
|
|
452 |
|
|
// Volume change slot. |
453 |
|
|
void qsamplerChannelStrip::volumeChanged ( int iVolume ) |
454 |
|
|
{ |
455 |
|
|
// Avoid recursion. |
456 |
|
|
if (m_iDirtyChange > 0) |
457 |
|
|
return; |
458 |
|
|
|
459 |
|
|
// Convert and clip. |
460 |
|
|
float fVolume = (float) iVolume / 100.0; |
461 |
|
|
if (fVolume > 1.0) |
462 |
|
|
fVolume = 1.0; |
463 |
|
|
else if (fVolume < 0.0) |
464 |
|
|
fVolume = 0.0; |
465 |
|
|
|
466 |
|
|
// Update the GUI elements. |
467 |
|
|
if (setVolume(fVolume)) { |
468 |
|
|
updateChannelVolume(); |
469 |
|
|
emit channelChanged(this); |
470 |
|
|
} |
471 |
|
|
} |
472 |
|
|
|
473 |
|
|
|
474 |
|
|
// Redirected messages output methods. |
475 |
|
|
void qsamplerChannelStrip::appendMessages( const QString& s ) |
476 |
|
|
{ |
477 |
|
|
m_pMainForm->appendMessages(s); |
478 |
|
|
} |
479 |
|
|
|
480 |
|
|
void qsamplerChannelStrip::appendMessagesColor( const QString& s, const QString& c ) |
481 |
|
|
{ |
482 |
|
|
m_pMainForm->appendMessagesColor(s, c); |
483 |
|
|
} |
484 |
|
|
|
485 |
|
|
void qsamplerChannelStrip::appendMessagesText( const QString& s ) |
486 |
|
|
{ |
487 |
|
|
m_pMainForm->appendMessagesText(s); |
488 |
|
|
} |
489 |
|
|
|
490 |
|
|
void qsamplerChannelStrip::appendMessagesError( const QString& s ) |
491 |
|
|
{ |
492 |
|
|
m_pMainForm->appendMessagesError(s); |
493 |
|
|
} |
494 |
|
|
|
495 |
|
|
void qsamplerChannelStrip::appendMessagesClient( const QString& s ) |
496 |
|
|
{ |
497 |
|
|
m_pMainForm->appendMessagesClient(s); |
498 |
|
|
} |
499 |
|
|
|
500 |
|
|
|
501 |
|
|
// end of qsamplerChannelStrip.ui.h |
502 |
|
|
|