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// qsamplerMainForm.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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|
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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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|
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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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|
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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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*****************************************************************************/ |
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|
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#include <qapplication.h> |
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#include <qeventloop.h> |
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#include <qworkspace.h> |
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#include <qprocess.h> |
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#include <qmessagebox.h> |
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#include <qdragobject.h> |
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#include <qfiledialog.h> |
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#include <qfileinfo.h> |
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#include <qfile.h> |
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#include <qtextstream.h> |
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#include <qstatusbar.h> |
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#include <qlabel.h> |
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#include <qtimer.h> |
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|
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#include "qsamplerAbout.h" |
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#include "qsamplerOptions.h" |
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#include "qsamplerMessages.h" |
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|
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#include "qsamplerChannelStrip.h" |
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#include "qsamplerOptionsForm.h" |
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|
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#include "config.h" |
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|
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|
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// Timer constant stuff. |
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#define QSAMPLER_TIMER_MSECS 200 |
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|
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// Status bar item indexes |
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#define QSAMPLER_STATUS_CLIENT 0 // Client connection state. |
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#define QSAMPLER_STATUS_SERVER 1 // Currenr server address (host:port) |
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#define QSAMPLER_STATUS_CHANNEL 2 // Active channel caption. |
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#define QSAMPLER_STATUS_SESSION 3 // Current session modification state. |
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|
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|
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// All winsock apps needs this. |
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#if defined(WIN32) |
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static WSADATA _wsaData; |
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#endif |
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|
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|
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//------------------------------------------------------------------------- |
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// qsamplerCustomEvent -- specialty for callback comunication. |
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|
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#define QSAMPLER_CUSTOM_EVENT 1000 |
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|
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class qsamplerCustomEvent : public QCustomEvent |
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{ |
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public: |
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|
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// Constructor. |
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qsamplerCustomEvent(lscp_event_t event, const char *pchData, int cchData) |
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: QCustomEvent(QSAMPLER_CUSTOM_EVENT) |
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{ |
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m_event = event; |
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m_data.setLatin1(pchData, cchData); |
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} |
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|
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// Accessors. |
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lscp_event_t event() { return m_event; } |
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QString& data() { return m_data; } |
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|
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private: |
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|
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// The proper event type. |
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lscp_event_t m_event; |
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// The event data as a string. |
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QString m_data; |
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}; |
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|
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|
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//------------------------------------------------------------------------- |
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// qsamplerMainForm -- Main window form implementation. |
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|
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// Kind of constructor. |
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void qsamplerMainForm::init (void) |
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{ |
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// Initialize some pointer references. |
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m_pOptions = NULL; |
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|
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// All child forms are to be created later, not earlier than setup. |
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m_pMessages = NULL; |
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|
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// We'll start clean. |
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m_iUntitled = 0; |
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m_iDirtyCount = 0; |
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|
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m_pServer = NULL; |
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m_pClient = NULL; |
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|
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m_iStartDelay = 0; |
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m_iTimerDelay = 0; |
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|
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m_iTimerSlot = 0; |
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|
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// Make it an MDI workspace. |
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m_pWorkspace = new QWorkspace(this); |
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m_pWorkspace->setScrollBarsEnabled(true); |
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// Set the activation connection. |
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QObject::connect(m_pWorkspace, SIGNAL(windowActivated(QWidget *)), this, SLOT(stabilizeForm())); |
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// Make it shine :-) |
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setCentralWidget(m_pWorkspace); |
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|
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// Create some statusbar labels... |
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QLabel *pLabel; |
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// Client status. |
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pLabel = new QLabel(tr("Connected"), this); |
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pLabel->setAlignment(Qt::AlignLeft); |
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pLabel->setMinimumSize(pLabel->sizeHint()); |
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m_status[QSAMPLER_STATUS_CLIENT] = pLabel; |
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statusBar()->addWidget(pLabel); |
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// Server address. |
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pLabel = new QLabel(this); |
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pLabel->setAlignment(Qt::AlignLeft); |
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m_status[QSAMPLER_STATUS_SERVER] = pLabel; |
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statusBar()->addWidget(pLabel, 1); |
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// Channel title. |
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pLabel = new QLabel(this); |
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pLabel->setAlignment(Qt::AlignLeft); |
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m_status[QSAMPLER_STATUS_CHANNEL] = pLabel; |
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statusBar()->addWidget(pLabel, 2); |
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// Session modification status. |
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pLabel = new QLabel(tr("MOD"), this); |
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pLabel->setAlignment(Qt::AlignHCenter); |
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pLabel->setMinimumSize(pLabel->sizeHint()); |
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m_status[QSAMPLER_STATUS_SESSION] = pLabel; |
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statusBar()->addWidget(pLabel); |
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|
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// Create the recent files sub-menu. |
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m_pRecentFilesMenu = new QPopupMenu(this); |
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fileMenu->insertSeparator(4); |
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fileMenu->insertItem(tr("Recent &Files"), m_pRecentFilesMenu, 0, 5); |
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|
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#if defined(WIN32) |
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WSAStartup(MAKEWORD(1, 1), &_wsaData); |
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#endif |
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} |
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|
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|
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// Kind of destructor. |
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void qsamplerMainForm::destroy (void) |
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{ |
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// Do final processing anyway. |
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processServerExit(); |
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|
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// Delete recentfiles menu. |
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if (m_pRecentFilesMenu) |
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delete m_pRecentFilesMenu; |
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// Delete status item labels one by one. |
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if (m_status[QSAMPLER_STATUS_CLIENT]) |
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delete m_status[QSAMPLER_STATUS_CLIENT]; |
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if (m_status[QSAMPLER_STATUS_SERVER]) |
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delete m_status[QSAMPLER_STATUS_SERVER]; |
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if (m_status[QSAMPLER_STATUS_CHANNEL]) |
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delete m_status[QSAMPLER_STATUS_CHANNEL]; |
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if (m_status[QSAMPLER_STATUS_SESSION]) |
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delete m_status[QSAMPLER_STATUS_SESSION]; |
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|
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// Finally drop any widgets around... |
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if (m_pMessages) |
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delete m_pMessages; |
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if (m_pWorkspace) |
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delete m_pWorkspace; |
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|
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#if defined(WIN32) |
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WSACleanup(); |
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#endif |
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} |
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|
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|
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// Make and set a proper setup options step. |
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void qsamplerMainForm::setup ( qsamplerOptions *pOptions ) |
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{ |
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// We got options? |
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m_pOptions = pOptions; |
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|
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// Some child forms are to be created right now. |
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m_pMessages = new qsamplerMessages(this); |
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// Set message defaults... |
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updateMessagesFont(); |
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updateMessagesLimit(); |
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updateMessagesCapture(); |
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// Set the visibility signal. |
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QObject::connect(m_pMessages, SIGNAL(visibilityChanged(bool)), this, SLOT(stabilizeForm())); |
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|
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// Initial decorations toggle state. |
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viewMenubarAction->setOn(m_pOptions->bMenubar); |
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viewToolbarAction->setOn(m_pOptions->bToolbar); |
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viewStatusbarAction->setOn(m_pOptions->bStatusbar); |
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channelsAutoArrangeAction->setOn(m_pOptions->bAutoArrange); |
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|
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// Initial decorations visibility state. |
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viewMenubar(m_pOptions->bMenubar); |
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viewToolbar(m_pOptions->bToolbar); |
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viewStatusbar(m_pOptions->bStatusbar); |
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|
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// Restore whole dock windows state. |
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QString sDockables = m_pOptions->settings().readEntry("/Layout/DockWindows" , QString::null); |
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if (sDockables.isEmpty()) { |
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// Message window is forced to dock on the bottom. |
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moveDockWindow(m_pMessages, Qt::DockBottom); |
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} else { |
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// Make it as the last time. |
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QTextIStream istr(&sDockables); |
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istr >> *this; |
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} |
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// Try to restore old window positioning. |
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m_pOptions->loadWidgetGeometry(this); |
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|
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// Final startup stabilization... |
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updateRecentFilesMenu(); |
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stabilizeForm(); |
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|
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// Make it ready :-) |
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statusBar()->message(tr("Ready"), 3000); |
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|
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// We'll try to start immediately... |
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startSchedule(0); |
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|
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// Register the first timer slot. |
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QTimer::singleShot(QSAMPLER_TIMER_MSECS, this, SLOT(timerSlot())); |
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} |
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|
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|
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// Window close event handlers. |
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bool qsamplerMainForm::queryClose (void) |
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{ |
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bool bQueryClose = closeSession(false); |
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|
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// Try to save current general state... |
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if (m_pOptions) { |
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// Some windows default fonts is here on demand too. |
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if (bQueryClose && m_pMessages) |
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m_pOptions->sMessagesFont = m_pMessages->messagesFont().toString(); |
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// Try to save current positioning. |
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if (bQueryClose) { |
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// Save decorations state. |
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m_pOptions->bMenubar = MenuBar->isVisible(); |
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m_pOptions->bToolbar = (fileToolbar->isVisible() || editToolbar->isVisible() || channelsToolbar->isVisible()); |
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m_pOptions->bStatusbar = statusBar()->isVisible(); |
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// Save the dock windows state. |
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QString sDockables; |
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QTextOStream ostr(&sDockables); |
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ostr << *this; |
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m_pOptions->settings().writeEntry("/Layout/DockWindows", sDockables); |
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// And the main windows state. |
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m_pOptions->saveWidgetGeometry(this); |
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// Stop client and/or server, gracefully. |
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stopServer(); |
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} |
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} |
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|
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return bQueryClose; |
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} |
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|
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|
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void qsamplerMainForm::closeEvent ( QCloseEvent *pCloseEvent ) |
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{ |
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if (queryClose()) |
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pCloseEvent->accept(); |
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else |
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pCloseEvent->ignore(); |
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} |
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|
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|
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// Window drag-n-drop event handlers. |
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void qsamplerMainForm::dragEnterEvent ( QDragEnterEvent* pDragEnterEvent ) |
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{ |
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bool bAccept = false; |
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|
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if (QTextDrag::canDecode(pDragEnterEvent)) { |
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QString sUrl; |
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if (QTextDrag::decode(pDragEnterEvent, sUrl) && m_pClient) |
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bAccept = QFileInfo(QUrl(sUrl).path()).exists(); |
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} |
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|
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pDragEnterEvent->accept(bAccept); |
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} |
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|
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|
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void qsamplerMainForm::dropEvent ( QDropEvent* pDropEvent ) |
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{ |
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if (QTextDrag::canDecode(pDropEvent)) { |
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QString sUrl; |
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if (QTextDrag::decode(pDropEvent, sUrl) && closeSession(true)) |
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loadSessionFile(QUrl(sUrl).path()); |
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} |
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} |
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|
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|
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// Custome event handler. |
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void qsamplerMainForm::customEvent ( QCustomEvent *pCustomEvent ) |
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{ |
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// For the time being, just pump it to messages. |
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if (pCustomEvent->type() == QSAMPLER_CUSTOM_EVENT) { |
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qsamplerCustomEvent *pEvent = (qsamplerCustomEvent *) pCustomEvent; |
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appendMessagesColor(tr("Notify event: %1 data: %2") |
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.arg(::lscp_event_to_text(pEvent->event())) |
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.arg(pEvent->data()), "#996699"); |
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} |
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} |
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|
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|
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// Context menu event handler. |
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void qsamplerMainForm::contextMenuEvent( QContextMenuEvent *pEvent ) |
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{ |
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stabilizeForm(); |
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|
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editMenu->exec(pEvent->globalPos()); |
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} |
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|
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|
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//------------------------------------------------------------------------- |
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// qsamplerMainForm -- Brainless public property accessors. |
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|
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// The global options settings property. |
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qsamplerOptions *qsamplerMainForm::options (void) |
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{ |
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return m_pOptions; |
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} |
342 |
|
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// The LSCP client descriptor property. |
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lscp_client_t *qsamplerMainForm::client (void) |
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{ |
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return m_pClient; |
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} |
348 |
|
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|
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//------------------------------------------------------------------------- |
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// qsamplerMainForm -- Session file stuff. |
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|
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// Format the displayable session filename. |
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QString qsamplerMainForm::sessionName ( const QString& sFilename ) |
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{ |
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bool bCompletePath = (m_pOptions && m_pOptions->bCompletePath); |
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QString sSessionName = sFilename; |
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if (sSessionName.isEmpty()) |
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sSessionName = tr("Untitled") + QString::number(m_iUntitled); |
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else if (!bCompletePath) |
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sSessionName = QFileInfo(sSessionName).fileName(); |
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return sSessionName; |
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} |
364 |
|
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|
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// Create a new session file from scratch. |
367 |
bool qsamplerMainForm::newSession (void) |
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{ |
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// Check if we can do it. |
370 |
if (!closeSession(true)) |
371 |
return false; |
372 |
|
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// Ok increment untitled count. |
374 |
m_iUntitled++; |
375 |
|
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// Stabilize form. |
377 |
m_sFilename = QString::null; |
378 |
m_iDirtyCount = 0; |
379 |
appendMessages(tr("New session: \"%1\".").arg(sessionName(m_sFilename))); |
380 |
stabilizeForm(); |
381 |
|
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return true; |
383 |
} |
384 |
|
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|
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// Open an existing sampler session. |
387 |
bool qsamplerMainForm::openSession (void) |
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{ |
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if (m_pOptions == NULL) |
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return false; |
391 |
|
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// Ask for the filename to open... |
393 |
QString sFilename = QFileDialog::getOpenFileName( |
394 |
m_pOptions->sSessionDir, // Start here. |
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tr("LSCP Session files") + " (*.lscp)", // Filter (LSCP files) |
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this, 0, // Parent and name (none) |
397 |
tr("Open Session") // Caption. |
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); |
399 |
|
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// Have we cancelled? |
401 |
if (sFilename.isEmpty()) |
402 |
return false; |
403 |
|
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// Check if we're going to discard safely the current one... |
405 |
if (!closeSession(true)) |
406 |
return false; |
407 |
|
408 |
// Load it right away. |
409 |
return loadSessionFile(sFilename); |
410 |
} |
411 |
|
412 |
|
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// Save current sampler session with another name. |
414 |
bool qsamplerMainForm::saveSession ( bool bPrompt ) |
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{ |
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if (m_pOptions == NULL) |
417 |
return false; |
418 |
|
419 |
QString sFilename = m_sFilename; |
420 |
|
421 |
// Ask for the file to save, if there's none... |
422 |
if (bPrompt || sFilename.isEmpty()) { |
423 |
// If none is given, assume default directory. |
424 |
if (sFilename.isEmpty()) |
425 |
sFilename = m_pOptions->sSessionDir; |
426 |
// Prompt the guy... |
427 |
sFilename = QFileDialog::getSaveFileName( |
428 |
sFilename, // Start here. |
429 |
tr("LSCP Session files") + " (*.lscp)", // Filter (LSCP files) |
430 |
this, 0, // Parent and name (none) |
431 |
tr("Save Session") // Caption. |
432 |
); |
433 |
// Have we cancelled it? |
434 |
if (sFilename.isEmpty()) |
435 |
return false; |
436 |
// Enforce .lscp extension... |
437 |
if (QFileInfo(sFilename).extension().isEmpty()) |
438 |
sFilename += ".lscp"; |
439 |
// Check if already exists... |
440 |
if (sFilename != m_sFilename && QFileInfo(sFilename).exists()) { |
441 |
if (QMessageBox::warning(this, tr("Warning"), |
442 |
tr("The file already exists:\n\n" |
443 |
"\"%1\"\n\n" |
444 |
"Do you want to replace it?") |
445 |
.arg(sFilename), |
446 |
tr("Replace"), tr("Cancel")) > 0) |
447 |
return false; |
448 |
} |
449 |
} |
450 |
|
451 |
// Save it right away. |
452 |
return saveSessionFile(sFilename); |
453 |
} |
454 |
|
455 |
|
456 |
// Close current session. |
457 |
bool qsamplerMainForm::closeSession ( bool bForce ) |
458 |
{ |
459 |
bool bClose = true; |
460 |
|
461 |
// Are we dirty enough to prompt it? |
462 |
if (m_iDirtyCount > 0) { |
463 |
switch (QMessageBox::warning(this, tr("Warning"), |
464 |
tr("The current session has been changed:\n\n" |
465 |
"\"%1\"\n\n" |
466 |
"Do you want to save the changes?") |
467 |
.arg(sessionName(m_sFilename)), |
468 |
tr("Save"), tr("Discard"), tr("Cancel"))) { |
469 |
case 0: // Save... |
470 |
bClose = saveSession(false); |
471 |
// Fall thru.... |
472 |
case 1: // Discard |
473 |
break; |
474 |
default: // Cancel. |
475 |
bClose = false; |
476 |
break; |
477 |
} |
478 |
} |
479 |
|
480 |
// If we may close it, dot it. |
481 |
if (bClose) { |
482 |
// Remove all channel strips from sight... |
483 |
m_pWorkspace->setUpdatesEnabled(false); |
484 |
QWidgetList wlist = m_pWorkspace->windowList(); |
485 |
for (int iChannel = 0; iChannel < (int) wlist.count(); iChannel++) { |
486 |
qsamplerChannelStrip *pChannel = (qsamplerChannelStrip *) wlist.at(iChannel); |
487 |
if (bForce && ::lscp_remove_channel(m_pClient, pChannel->channelID()) != LSCP_OK) |
488 |
appendMessagesClient("lscp_remove_channel"); |
489 |
delete pChannel; |
490 |
} |
491 |
m_pWorkspace->setUpdatesEnabled(true); |
492 |
// We're now clean, for sure. |
493 |
m_iDirtyCount = 0; |
494 |
} |
495 |
|
496 |
return bClose; |
497 |
} |
498 |
|
499 |
|
500 |
// Load a session from specific file path. |
501 |
bool qsamplerMainForm::loadSessionFile ( const QString& sFilename ) |
502 |
{ |
503 |
if (m_pClient == NULL) |
504 |
return false; |
505 |
|
506 |
// Open and read from real file. |
507 |
QFile file(sFilename); |
508 |
if (!file.open(IO_ReadOnly)) { |
509 |
appendMessagesError(tr("Could not open \"%1\" session file.\n\nSorry.").arg(sFilename)); |
510 |
return false; |
511 |
} |
512 |
|
513 |
// Read the file. |
514 |
int iErrors = 0; |
515 |
QTextStream ts(&file); |
516 |
while (!ts.atEnd()) { |
517 |
// Read the line. |
518 |
QString sCommand = ts.readLine().simplifyWhiteSpace(); |
519 |
// If not empty, nor a comment, call the server... |
520 |
if (!sCommand.isEmpty() && sCommand[0] != '#') { |
521 |
appendMessagesColor(sCommand, "#996633"); |
522 |
// Remember that, no matter what, |
523 |
// all LSCP commands are CR/LF terminated. |
524 |
sCommand += "\r\n"; |
525 |
if (::lscp_client_query(m_pClient, sCommand.latin1()) != LSCP_OK) { |
526 |
appendMessagesClient("lscp_client_query"); |
527 |
iErrors++; |
528 |
} |
529 |
} |
530 |
// Try to make it snappy :) |
531 |
QApplication::eventLoop()->processEvents(QEventLoop::ExcludeUserInput); |
532 |
} |
533 |
|
534 |
// Ok. we've read it. |
535 |
file.close(); |
536 |
|
537 |
// Have we any errors? |
538 |
if (iErrors > 0) |
539 |
appendMessagesError(tr("Some setttings could not be loaded\nfrom \"%1\" session file.\n\nSorry.").arg(sFilename)); |
540 |
|
541 |
// Now we'll try to create the whole GUI session. |
542 |
int iChannels = ::lscp_get_channels(m_pClient); |
543 |
if (iChannels < 0) { |
544 |
appendMessagesClient("lscp_get_channels"); |
545 |
appendMessagesError(tr("Could not get current number of channels.\n\nSorry.")); |
546 |
} |
547 |
|
548 |
// Try to (re)create each channel. |
549 |
m_pWorkspace->setUpdatesEnabled(false); |
550 |
for (int iChannelID = 0; iChannelID < iChannels; iChannelID++) { |
551 |
createChannel(iChannelID, false); |
552 |
QApplication::eventLoop()->processEvents(QEventLoop::ExcludeUserInput); |
553 |
} |
554 |
m_pWorkspace->setUpdatesEnabled(true); |
555 |
|
556 |
// Save as default session directory. |
557 |
if (m_pOptions) |
558 |
m_pOptions->sSessionDir = QFileInfo(sFilename).dirPath(true); |
559 |
// We're not dirty anymore. |
560 |
m_iDirtyCount = 0; |
561 |
// Stabilize form... |
562 |
m_sFilename = sFilename; |
563 |
updateRecentFiles(sFilename); |
564 |
appendMessages(tr("Open session: \"%1\".").arg(sessionName(m_sFilename))); |
565 |
stabilizeForm(); |
566 |
return true; |
567 |
} |
568 |
|
569 |
|
570 |
// Save current session to specific file path. |
571 |
bool qsamplerMainForm::saveSessionFile ( const QString& sFilename ) |
572 |
{ |
573 |
// Open and write into real file. |
574 |
QFile file(sFilename); |
575 |
if (!file.open(IO_WriteOnly | IO_Truncate)) { |
576 |
appendMessagesError(tr("Could not open \"%1\" session file.\n\nSorry.").arg(sFilename)); |
577 |
return false; |
578 |
} |
579 |
|
580 |
// Write the file. |
581 |
int iErrors = 0; |
582 |
QTextStream ts(&file); |
583 |
ts << "# " << QSAMPLER_TITLE " - " << tr(QSAMPLER_SUBTITLE) << endl; |
584 |
ts << "# " << tr("Version") |
585 |
<< ": " QSAMPLER_VERSION << endl; |
586 |
ts << "# " << tr("Build") |
587 |
<< ": " __DATE__ " " __TIME__ << endl; |
588 |
ts << "#" << endl; |
589 |
ts << "# " << tr("File") |
590 |
<< ": " << QFileInfo(sFilename).fileName() << endl; |
591 |
ts << "# " << tr("Date") |
592 |
<< ": " << QDate::currentDate().toString("MMMM dd yyyy") |
593 |
<< " " << QTime::currentTime().toString("hh:mm:ss") << endl; |
594 |
ts << "#" << endl; |
595 |
ts << endl; |
596 |
QWidgetList wlist = m_pWorkspace->windowList(); |
597 |
for (int iChannel = 0; iChannel < (int) wlist.count(); iChannel++) { |
598 |
qsamplerChannelStrip *pChannel = (qsamplerChannelStrip *) wlist.at(iChannel); |
599 |
int iChannelID = pChannel->channelID(); |
600 |
ts << "# " << pChannel->caption() << endl; |
601 |
ts << "ADD CHANNEL" << endl; |
602 |
ts << "SET CHANNEL AUDIO_OUTPUT_TYPE " << iChannelID << " " << pChannel->audioDriver() << endl; |
603 |
ts << "SET CHANNEL MIDI_INPUT_TYPE " << iChannelID << " " << pChannel->midiDriver() << endl; |
604 |
ts << "SET CHANNEL MIDI_INPUT_PORT " << iChannelID << " " << pChannel->midiPort() << endl; |
605 |
ts << "SET CHANNEL MIDI_INPUT_CHANNEL " << iChannelID << " "; |
606 |
if (pChannel->midiChannel() > 0) |
607 |
ts << pChannel->midiChannel(); |
608 |
else |
609 |
ts << "ALL"; |
610 |
ts << endl; |
611 |
ts << "LOAD ENGINE " << pChannel->engineName() << " " << iChannelID << endl; |
612 |
ts << "LOAD INSTRUMENT NON_MODAL '" << pChannel->instrumentFile() << "' " << pChannel->instrumentNr() << " " << iChannelID << endl; |
613 |
ts << "SET CHANNEL VOLUME " << iChannelID << " " << pChannel->volume() << endl; |
614 |
ts << endl; |
615 |
// Try to keep it snappy :) |
616 |
QApplication::eventLoop()->processEvents(QEventLoop::ExcludeUserInput); |
617 |
} |
618 |
|
619 |
// Ok. we've wrote it. |
620 |
file.close(); |
621 |
|
622 |
// Have we any errors? |
623 |
if (iErrors > 0) |
624 |
appendMessagesError(tr("Some settings could not be saved\nto \"%1\" session file.\n\nSorry.").arg(sFilename)); |
625 |
|
626 |
// Save as default session directory. |
627 |
if (m_pOptions) |
628 |
m_pOptions->sSessionDir = QFileInfo(sFilename).dirPath(true); |
629 |
// We're not dirty anymore. |
630 |
m_iDirtyCount = 0; |
631 |
// Stabilize form... |
632 |
m_sFilename = sFilename; |
633 |
updateRecentFiles(sFilename); |
634 |
appendMessages(tr("Save session: \"%1\".").arg(sessionName(m_sFilename))); |
635 |
stabilizeForm(); |
636 |
return true; |
637 |
} |
638 |
|
639 |
|
640 |
//------------------------------------------------------------------------- |
641 |
// qsamplerMainForm -- File Action slots. |
642 |
|
643 |
// Create a new sampler session. |
644 |
void qsamplerMainForm::fileNew (void) |
645 |
{ |
646 |
// Of course we'll start clean new. |
647 |
newSession(); |
648 |
} |
649 |
|
650 |
|
651 |
// Open an existing sampler session. |
652 |
void qsamplerMainForm::fileOpen (void) |
653 |
{ |
654 |
// Open it right away. |
655 |
openSession(); |
656 |
} |
657 |
|
658 |
|
659 |
// Open a recent file session. |
660 |
void qsamplerMainForm::fileOpenRecent ( int iIndex ) |
661 |
{ |
662 |
// Check if we can safely close the current session... |
663 |
if (m_pOptions && closeSession(true)) { |
664 |
QString sFilename = m_pOptions->recentFiles[iIndex]; |
665 |
loadSessionFile(sFilename); |
666 |
} |
667 |
} |
668 |
|
669 |
|
670 |
// Save current sampler session. |
671 |
void qsamplerMainForm::fileSave (void) |
672 |
{ |
673 |
// Save it right away. |
674 |
saveSession(false); |
675 |
} |
676 |
|
677 |
|
678 |
// Save current sampler session with another name. |
679 |
void qsamplerMainForm::fileSaveAs (void) |
680 |
{ |
681 |
// Save it right away, maybe with another name. |
682 |
saveSession(true); |
683 |
} |
684 |
|
685 |
|
686 |
// Reset the sampler instance. |
687 |
void qsamplerMainForm::fileReset (void) |
688 |
{ |
689 |
if (m_pClient == NULL) |
690 |
return; |
691 |
|
692 |
// Ask user whether he/she want's an internal sampler reset... |
693 |
if (QMessageBox::warning(this, tr("Warning"), |
694 |
tr("Resetting the sampler instance will close\n" |
695 |
"all device and channel configurations.\n\n" |
696 |
"Please note that this operation may cause\n" |
697 |
"temporary MIDI and Audio disruption\n\n" |
698 |
"Do you want to reset the sampler engine now?"), |
699 |
tr("Reset"), tr("Cancel")) > 0) |
700 |
return; |
701 |
|
702 |
// Just do the reset, after closing down current session... |
703 |
if (closeSession(true) && ::lscp_reset_sampler(m_pClient) != LSCP_OK) { |
704 |
appendMessagesClient("lscp_reset_sampler"); |
705 |
appendMessagesError(tr("Could not reset sampler instance.\n\nSorry.")); |
706 |
return; |
707 |
} |
708 |
|
709 |
// Log this. |
710 |
appendMessages(tr("Sampler reset.")); |
711 |
} |
712 |
|
713 |
|
714 |
// Restart the client/server instance. |
715 |
void qsamplerMainForm::fileRestart (void) |
716 |
{ |
717 |
if (m_pOptions == NULL) |
718 |
return; |
719 |
|
720 |
bool bRestart = true; |
721 |
|
722 |
// Ask user whether he/she want's a complete restart... |
723 |
// (if we're currently up and running) |
724 |
if (bRestart && m_pClient) { |
725 |
bRestart = (QMessageBox::warning(this, tr("Warning"), |
726 |
tr("New settings will be effective after\n" |
727 |
"restarting the client/server connection.\n\n" |
728 |
"Please note that this operation may cause\n" |
729 |
"temporary MIDI and Audio disruption\n\n" |
730 |
"Do you want to restart the connection now?"), |
731 |
tr("Restart"), tr("Cancel")) == 0); |
732 |
} |
733 |
|
734 |
// Are we still for it? |
735 |
if (bRestart && closeSession(true)) { |
736 |
// Stop server, it will force the client too. |
737 |
stopServer(); |
738 |
// Reschedule a restart... |
739 |
startSchedule(m_pOptions->iStartDelay); |
740 |
} |
741 |
} |
742 |
|
743 |
|
744 |
// Exit application program. |
745 |
void qsamplerMainForm::fileExit (void) |
746 |
{ |
747 |
// Go for close the whole thing. |
748 |
close(); |
749 |
} |
750 |
|
751 |
|
752 |
//------------------------------------------------------------------------- |
753 |
// qsamplerMainForm -- Edit Action slots. |
754 |
|
755 |
// Add a new sampler channel. |
756 |
void qsamplerMainForm::editAddChannel (void) |
757 |
{ |
758 |
if (m_pClient == NULL) |
759 |
return; |
760 |
|
761 |
// Create the new sampler channel. |
762 |
int iChannelID = ::lscp_add_channel(m_pClient); |
763 |
if (iChannelID < 0) { |
764 |
appendMessagesClient("lscp_add_channel"); |
765 |
appendMessagesError(tr("Could not create the new channel.\n\nSorry.")); |
766 |
return; |
767 |
} |
768 |
|
769 |
// Log this happening. |
770 |
appendMessages(tr("Channel %1 created.").arg(iChannelID)); |
771 |
|
772 |
// Just create the channel strip with given id. |
773 |
createChannel(iChannelID, true); |
774 |
|
775 |
// We'll be dirty, for sure... |
776 |
m_iDirtyCount++; |
777 |
// Stabilize form anyway. |
778 |
stabilizeForm(); |
779 |
} |
780 |
|
781 |
|
782 |
// Remove current sampler channel. |
783 |
void qsamplerMainForm::editRemoveChannel (void) |
784 |
{ |
785 |
if (m_pClient == NULL) |
786 |
return; |
787 |
|
788 |
qsamplerChannelStrip *pChannel = activeChannel(); |
789 |
if (pChannel == NULL) |
790 |
return; |
791 |
|
792 |
// Prompt user if he/she's sure about this... |
793 |
if (m_pOptions && m_pOptions->bConfirmRemove) { |
794 |
if (QMessageBox::warning(this, tr("Warning"), |
795 |
tr("About to remove channel:\n\n" |
796 |
"%1\n\n" |
797 |
"Are you sure?") |
798 |
.arg(pChannel->caption()), |
799 |
tr("OK"), tr("Cancel")) > 0) |
800 |
return; |
801 |
} |
802 |
|
803 |
// Remove the existing sampler channel. |
804 |
if (::lscp_remove_channel(m_pClient, pChannel->channelID()) != LSCP_OK) { |
805 |
appendMessagesClient("lscp_remove_channel"); |
806 |
appendMessagesError(tr("Could not remove channel.\n\nSorry.")); |
807 |
return; |
808 |
} |
809 |
|
810 |
// Log this happening. |
811 |
appendMessages(tr("Channel %1 removed.").arg(pChannel->channelID())); |
812 |
|
813 |
// Just delete the channel strip. |
814 |
delete pChannel; |
815 |
// Do we auto-arrange? |
816 |
if (m_pOptions && m_pOptions->bAutoArrange) |
817 |
channelsArrange(); |
818 |
|
819 |
// We'll be dirty, for sure... |
820 |
m_iDirtyCount++; |
821 |
stabilizeForm(); |
822 |
} |
823 |
|
824 |
|
825 |
// Setup current sampler channel. |
826 |
void qsamplerMainForm::editSetupChannel (void) |
827 |
{ |
828 |
if (m_pClient == NULL) |
829 |
return; |
830 |
|
831 |
qsamplerChannelStrip *pChannel = activeChannel(); |
832 |
if (pChannel == NULL) |
833 |
return; |
834 |
|
835 |
// Just invoque the channel strip procedure. |
836 |
pChannel->showChannelSetup(false); |
837 |
} |
838 |
|
839 |
|
840 |
// Reset current sampler channel. |
841 |
void qsamplerMainForm::editResetChannel (void) |
842 |
{ |
843 |
if (m_pClient == NULL) |
844 |
return; |
845 |
|
846 |
qsamplerChannelStrip *pChannel = activeChannel(); |
847 |
if (pChannel == NULL) |
848 |
return; |
849 |
|
850 |
// Remove the existing sampler channel. |
851 |
if (::lscp_reset_channel(m_pClient, pChannel->channelID()) != LSCP_OK) { |
852 |
appendMessagesClient("lscp_reset_channel"); |
853 |
appendMessagesError(tr("Could not reset channel.\n\nSorry.")); |
854 |
return; |
855 |
} |
856 |
|
857 |
// Log this. |
858 |
appendMessages(tr("Channel %1 reset.").arg(pChannel->channelID())); |
859 |
|
860 |
// Refresh channel strip info. |
861 |
pChannel->updateChannelInfo(); |
862 |
} |
863 |
|
864 |
|
865 |
//------------------------------------------------------------------------- |
866 |
// qsamplerMainForm -- View Action slots. |
867 |
|
868 |
// Show/hide the main program window menubar. |
869 |
void qsamplerMainForm::viewMenubar ( bool bOn ) |
870 |
{ |
871 |
if (bOn) |
872 |
MenuBar->show(); |
873 |
else |
874 |
MenuBar->hide(); |
875 |
} |
876 |
|
877 |
|
878 |
// Show/hide the main program window toolbar. |
879 |
void qsamplerMainForm::viewToolbar ( bool bOn ) |
880 |
{ |
881 |
if (bOn) { |
882 |
fileToolbar->show(); |
883 |
editToolbar->show(); |
884 |
channelsToolbar->show(); |
885 |
} else { |
886 |
fileToolbar->hide(); |
887 |
editToolbar->hide(); |
888 |
channelsToolbar->hide(); |
889 |
} |
890 |
} |
891 |
|
892 |
|
893 |
// Show/hide the main program window statusbar. |
894 |
void qsamplerMainForm::viewStatusbar ( bool bOn ) |
895 |
{ |
896 |
if (bOn) |
897 |
statusBar()->show(); |
898 |
else |
899 |
statusBar()->hide(); |
900 |
} |
901 |
|
902 |
|
903 |
// Show/hide the messages window logger. |
904 |
void qsamplerMainForm::viewMessages ( bool bOn ) |
905 |
{ |
906 |
if (bOn) |
907 |
m_pMessages->show(); |
908 |
else |
909 |
m_pMessages->hide(); |
910 |
} |
911 |
|
912 |
|
913 |
// Show options dialog. |
914 |
void qsamplerMainForm::viewOptions (void) |
915 |
{ |
916 |
if (m_pOptions == NULL) |
917 |
return; |
918 |
|
919 |
qsamplerOptionsForm *pOptionsForm = new qsamplerOptionsForm(this); |
920 |
if (pOptionsForm) { |
921 |
// Check out some initial nullities(tm)... |
922 |
qsamplerChannelStrip *pChannel = activeChannel(); |
923 |
if (m_pOptions->sDisplayFont.isEmpty() && pChannel) |
924 |
m_pOptions->sDisplayFont = pChannel->displayFont().toString(); |
925 |
if (m_pOptions->sMessagesFont.isEmpty() && m_pMessages) |
926 |
m_pOptions->sMessagesFont = m_pMessages->messagesFont().toString(); |
927 |
// To track down deferred or immediate changes. |
928 |
QString sOldServerHost = m_pOptions->sServerHost; |
929 |
int iOldServerPort = m_pOptions->iServerPort; |
930 |
int iOldServerTimeout = m_pOptions->iServerTimeout; |
931 |
bool bOldServerStart = m_pOptions->bServerStart; |
932 |
QString sOldServerCmdLine = m_pOptions->sServerCmdLine; |
933 |
QString sOldDisplayFont = m_pOptions->sDisplayFont; |
934 |
int iOldMaxVolume = m_pOptions->iMaxVolume; |
935 |
QString sOldMessagesFont = m_pOptions->sMessagesFont; |
936 |
bool bOldStdoutCapture = m_pOptions->bStdoutCapture; |
937 |
int bOldMessagesLimit = m_pOptions->bMessagesLimit; |
938 |
int iOldMessagesLimitLines = m_pOptions->iMessagesLimitLines; |
939 |
bool bOldCompletePath = m_pOptions->bCompletePath; |
940 |
int iOldMaxRecentFiles = m_pOptions->iMaxRecentFiles; |
941 |
// Load the current setup settings. |
942 |
pOptionsForm->setup(m_pOptions); |
943 |
// Show the setup dialog... |
944 |
if (pOptionsForm->exec()) { |
945 |
// Warn if something will be only effective on next run. |
946 |
if (( bOldStdoutCapture && !m_pOptions->bStdoutCapture) || |
947 |
(!bOldStdoutCapture && m_pOptions->bStdoutCapture)) { |
948 |
QMessageBox::information(this, tr("Information"), |
949 |
tr("Some settings may be only effective\n" |
950 |
"next time you start this program."), tr("OK")); |
951 |
updateMessagesCapture(); |
952 |
} |
953 |
// Check wheather something immediate has changed. |
954 |
if (( bOldCompletePath && !m_pOptions->bCompletePath) || |
955 |
(!bOldCompletePath && m_pOptions->bCompletePath) || |
956 |
(iOldMaxRecentFiles != m_pOptions->iMaxRecentFiles)) |
957 |
updateRecentFilesMenu(); |
958 |
if (sOldDisplayFont != m_pOptions->sDisplayFont) |
959 |
updateDisplayFont(); |
960 |
if (iOldMaxVolume != m_pOptions->iMaxVolume) |
961 |
updateMaxVolume(); |
962 |
if (sOldMessagesFont != m_pOptions->sMessagesFont) |
963 |
updateMessagesFont(); |
964 |
if (( bOldMessagesLimit && !m_pOptions->bMessagesLimit) || |
965 |
(!bOldMessagesLimit && m_pOptions->bMessagesLimit) || |
966 |
(iOldMessagesLimitLines != m_pOptions->iMessagesLimitLines)) |
967 |
updateMessagesLimit(); |
968 |
// And now the main thing, whether we'll do client/server recycling? |
969 |
if ((sOldServerHost != m_pOptions->sServerHost) || |
970 |
(iOldServerPort != m_pOptions->iServerPort) || |
971 |
(iOldServerTimeout != m_pOptions->iServerTimeout) || |
972 |
( bOldServerStart && !m_pOptions->bServerStart) || |
973 |
(!bOldServerStart && m_pOptions->bServerStart) || |
974 |
(sOldServerCmdLine != m_pOptions->sServerCmdLine && m_pOptions->bServerStart)) |
975 |
fileRestart(); |
976 |
} |
977 |
// Done. |
978 |
delete pOptionsForm; |
979 |
} |
980 |
|
981 |
// This makes it. |
982 |
stabilizeForm(); |
983 |
} |
984 |
|
985 |
|
986 |
//------------------------------------------------------------------------- |
987 |
// qsamplerMainForm -- Channels action slots. |
988 |
|
989 |
// Arrange channel strips. |
990 |
void qsamplerMainForm::channelsArrange (void) |
991 |
{ |
992 |
// Full width vertical tiling |
993 |
QWidgetList wlist = m_pWorkspace->windowList(); |
994 |
if (wlist.isEmpty()) |
995 |
return; |
996 |
|
997 |
m_pWorkspace->setUpdatesEnabled(false); |
998 |
int y = 0; |
999 |
for (int iChannel = 0; iChannel < (int) wlist.count(); iChannel++) { |
1000 |
qsamplerChannelStrip *pChannel = (qsamplerChannelStrip *) wlist.at(iChannel); |
1001 |
/* if (pChannel->testWState(WState_Maximized | WState_Minimized)) { |
1002 |
// Prevent flicker... |
1003 |
pChannel->hide(); |
1004 |
pChannel->showNormal(); |
1005 |
} */ |
1006 |
pChannel->adjustSize(); |
1007 |
int iWidth = m_pWorkspace->width(); |
1008 |
if (iWidth < pChannel->width()) |
1009 |
iWidth = pChannel->width(); |
1010 |
// int iHeight = pChannel->height() + pChannel->parentWidget()->baseSize().height(); |
1011 |
int iHeight = pChannel->parentWidget()->frameGeometry().height(); |
1012 |
pChannel->parentWidget()->setGeometry(0, y, iWidth, iHeight); |
1013 |
y += iHeight; |
1014 |
} |
1015 |
m_pWorkspace->setUpdatesEnabled(true); |
1016 |
|
1017 |
stabilizeForm(); |
1018 |
} |
1019 |
|
1020 |
|
1021 |
// Auto-arrange channel strips. |
1022 |
void qsamplerMainForm::channelsAutoArrange ( bool bOn ) |
1023 |
{ |
1024 |
if (m_pOptions == NULL) |
1025 |
return; |
1026 |
|
1027 |
// Toggle the auto-arrange flag. |
1028 |
m_pOptions->bAutoArrange = bOn; |
1029 |
|
1030 |
// If on, update whole workspace... |
1031 |
if (m_pOptions->bAutoArrange) |
1032 |
channelsArrange(); |
1033 |
} |
1034 |
|
1035 |
|
1036 |
//------------------------------------------------------------------------- |
1037 |
// qsamplerMainForm -- Help Action slots. |
1038 |
|
1039 |
// Show information about the Qt toolkit. |
1040 |
void qsamplerMainForm::helpAboutQt (void) |
1041 |
{ |
1042 |
QMessageBox::aboutQt(this); |
1043 |
} |
1044 |
|
1045 |
|
1046 |
// Show information about application program. |
1047 |
void qsamplerMainForm::helpAbout (void) |
1048 |
{ |
1049 |
// Stuff the about box text... |
1050 |
QString sText = "<p>\n"; |
1051 |
sText += "<b>" QSAMPLER_TITLE " - " + tr(QSAMPLER_SUBTITLE) + "</b><br />\n"; |
1052 |
sText += "<br />\n"; |
1053 |
sText += tr("Version") + ": <b>" QSAMPLER_VERSION "</b><br />\n"; |
1054 |
sText += "<small>" + tr("Build") + ": " __DATE__ " " __TIME__ "</small><br />\n"; |
1055 |
#ifdef CONFIG_DEBUG |
1056 |
sText += "<small><font color=\"red\">"; |
1057 |
sText += tr("Debugging option enabled."); |
1058 |
sText += "</font></small><br />"; |
1059 |
#endif |
1060 |
#ifndef CONFIG_LIBGIG |
1061 |
sText += "<small><font color=\"red\">"; |
1062 |
sText += tr("GIG (libgig) file support disabled."); |
1063 |
sText += "</font></small><br />"; |
1064 |
#endif |
1065 |
sText += "<br />\n"; |
1066 |
sText += tr("Using") + ": "; |
1067 |
sText += ::lscp_client_package(); |
1068 |
sText += " "; |
1069 |
sText += ::lscp_client_version(); |
1070 |
sText += "<br />\n"; |
1071 |
sText += "<br />\n"; |
1072 |
sText += tr("Website") + ": <a href=\"" QSAMPLER_WEBSITE "\">" QSAMPLER_WEBSITE "</a><br />\n"; |
1073 |
sText += "<br />\n"; |
1074 |
sText += "<small>"; |
1075 |
sText += QSAMPLER_COPYRIGHT "<br />\n"; |
1076 |
sText += "<br />\n"; |
1077 |
sText += tr("This program is free software; you can redistribute it and/or modify it") + "<br />\n"; |
1078 |
sText += tr("under the terms of the GNU General Public License version 2 or later."); |
1079 |
sText += "</small>"; |
1080 |
sText += "</p>\n"; |
1081 |
|
1082 |
QMessageBox::about(this, tr("About") + " " QSAMPLER_TITLE, sText); |
1083 |
} |
1084 |
|
1085 |
|
1086 |
//------------------------------------------------------------------------- |
1087 |
// qsamplerMainForm -- Main window stabilization. |
1088 |
|
1089 |
void qsamplerMainForm::stabilizeForm (void) |
1090 |
{ |
1091 |
// Update the main application caption... |
1092 |
QString sSessioName = sessionName(m_sFilename); |
1093 |
if (m_iDirtyCount > 0) |
1094 |
sSessioName += '*'; |
1095 |
setCaption(tr(QSAMPLER_TITLE " - [%1]").arg(sSessioName)); |
1096 |
|
1097 |
// Update the main menu state... |
1098 |
qsamplerChannelStrip *pChannel = activeChannel(); |
1099 |
bool bHasClient = (m_pOptions != NULL && m_pClient != NULL); |
1100 |
bool bHasChannel = (bHasClient && pChannel != NULL); |
1101 |
fileNewAction->setEnabled(bHasClient); |
1102 |
fileOpenAction->setEnabled(bHasClient); |
1103 |
fileSaveAction->setEnabled(bHasClient && m_iDirtyCount > 0); |
1104 |
fileSaveAsAction->setEnabled(bHasClient); |
1105 |
fileResetAction->setEnabled(bHasClient); |
1106 |
fileRestartAction->setEnabled(bHasClient || m_pServer == NULL); |
1107 |
editAddChannelAction->setEnabled(bHasClient); |
1108 |
editRemoveChannelAction->setEnabled(bHasChannel); |
1109 |
editSetupChannelAction->setEnabled(bHasChannel); |
1110 |
editResetChannelAction->setEnabled(bHasChannel); |
1111 |
channelsArrangeAction->setEnabled(bHasChannel); |
1112 |
viewMessagesAction->setOn(m_pMessages && m_pMessages->isVisible()); |
1113 |
|
1114 |
// Client/Server status... |
1115 |
if (bHasClient) { |
1116 |
m_status[QSAMPLER_STATUS_CLIENT]->setText(tr("Connected")); |
1117 |
m_status[QSAMPLER_STATUS_SERVER]->setText(m_pOptions->sServerHost + ":" + QString::number(m_pOptions->iServerPort)); |
1118 |
} else { |
1119 |
m_status[QSAMPLER_STATUS_CLIENT]->clear(); |
1120 |
m_status[QSAMPLER_STATUS_SERVER]->clear(); |
1121 |
} |
1122 |
// Channel status... |
1123 |
if (bHasChannel) |
1124 |
m_status[QSAMPLER_STATUS_CHANNEL]->setText(pChannel->caption()); |
1125 |
else |
1126 |
m_status[QSAMPLER_STATUS_CHANNEL]->clear(); |
1127 |
// Session status... |
1128 |
if (m_iDirtyCount > 0) |
1129 |
m_status[QSAMPLER_STATUS_SESSION]->setText(tr("MOD")); |
1130 |
else |
1131 |
m_status[QSAMPLER_STATUS_SESSION]->clear(); |
1132 |
|
1133 |
// Recent files menu. |
1134 |
m_pRecentFilesMenu->setEnabled(bHasClient && m_pOptions->recentFiles.count() > 0); |
1135 |
|
1136 |
// Always make the latest message visible. |
1137 |
if (m_pMessages) |
1138 |
m_pMessages->scrollToBottom(); |
1139 |
} |
1140 |
|
1141 |
|
1142 |
// Channel change receiver slot. |
1143 |
void qsamplerMainForm::channelChanged( qsamplerChannelStrip * ) |
1144 |
{ |
1145 |
// Just mark the dirty form. |
1146 |
m_iDirtyCount++; |
1147 |
// and update the form status... |
1148 |
stabilizeForm(); |
1149 |
} |
1150 |
|
1151 |
|
1152 |
// Update the recent files list and menu. |
1153 |
void qsamplerMainForm::updateRecentFiles ( const QString& sFilename ) |
1154 |
{ |
1155 |
if (m_pOptions == NULL) |
1156 |
return; |
1157 |
|
1158 |
// Remove from list if already there (avoid duplicates) |
1159 |
QStringList::Iterator iter = m_pOptions->recentFiles.find(sFilename); |
1160 |
if (iter != m_pOptions->recentFiles.end()) |
1161 |
m_pOptions->recentFiles.remove(iter); |
1162 |
// Put it to front... |
1163 |
m_pOptions->recentFiles.push_front(sFilename); |
1164 |
|
1165 |
// May update the menu. |
1166 |
updateRecentFilesMenu(); |
1167 |
} |
1168 |
|
1169 |
|
1170 |
// Update the recent files list and menu. |
1171 |
void qsamplerMainForm::updateRecentFilesMenu (void) |
1172 |
{ |
1173 |
if (m_pOptions == NULL) |
1174 |
return; |
1175 |
|
1176 |
// Time to keep the list under limits. |
1177 |
int iRecentFiles = m_pOptions->recentFiles.count(); |
1178 |
while (iRecentFiles > m_pOptions->iMaxRecentFiles) { |
1179 |
m_pOptions->recentFiles.pop_back(); |
1180 |
iRecentFiles--; |
1181 |
} |
1182 |
|
1183 |
// rebuild the recent files menu... |
1184 |
m_pRecentFilesMenu->clear(); |
1185 |
for (int i = 0; i < iRecentFiles; i++) { |
1186 |
const QString& sFilename = m_pOptions->recentFiles[i]; |
1187 |
if (QFileInfo(sFilename).exists()) { |
1188 |
m_pRecentFilesMenu->insertItem(QString("&%1 %2") |
1189 |
.arg(i + 1).arg(sessionName(sFilename)), |
1190 |
this, SLOT(fileOpenRecent(int)), 0, i); |
1191 |
} |
1192 |
} |
1193 |
} |
1194 |
|
1195 |
|
1196 |
// Force update of the channels display font. |
1197 |
void qsamplerMainForm::updateDisplayFont (void) |
1198 |
{ |
1199 |
if (m_pOptions == NULL) |
1200 |
return; |
1201 |
|
1202 |
// Check if display font is legal. |
1203 |
if (m_pOptions->sDisplayFont.isEmpty()) |
1204 |
return; |
1205 |
// Realize it. |
1206 |
QFont font; |
1207 |
if (!font.fromString(m_pOptions->sDisplayFont)) |
1208 |
return; |
1209 |
|
1210 |
// Full channel list update... |
1211 |
QWidgetList wlist = m_pWorkspace->windowList(); |
1212 |
if (wlist.isEmpty()) |
1213 |
return; |
1214 |
|
1215 |
m_pWorkspace->setUpdatesEnabled(false); |
1216 |
for (int iChannel = 0; iChannel < (int) wlist.count(); iChannel++) { |
1217 |
qsamplerChannelStrip *pChannel = (qsamplerChannelStrip *) wlist.at(iChannel); |
1218 |
pChannel->setDisplayFont(font); |
1219 |
} |
1220 |
m_pWorkspace->setUpdatesEnabled(true); |
1221 |
} |
1222 |
|
1223 |
|
1224 |
// Force update of the channels maximum volume setting. |
1225 |
void qsamplerMainForm::updateMaxVolume (void) |
1226 |
{ |
1227 |
if (m_pOptions == NULL) |
1228 |
return; |
1229 |
|
1230 |
// Full channel list update... |
1231 |
QWidgetList wlist = m_pWorkspace->windowList(); |
1232 |
if (wlist.isEmpty()) |
1233 |
return; |
1234 |
|
1235 |
m_pWorkspace->setUpdatesEnabled(false); |
1236 |
for (int iChannel = 0; iChannel < (int) wlist.count(); iChannel++) { |
1237 |
qsamplerChannelStrip *pChannel = (qsamplerChannelStrip *) wlist.at(iChannel); |
1238 |
pChannel->setMaxVolume(m_pOptions->iMaxVolume); |
1239 |
} |
1240 |
m_pWorkspace->setUpdatesEnabled(true); |
1241 |
} |
1242 |
|
1243 |
|
1244 |
//------------------------------------------------------------------------- |
1245 |
// qsamplerMainForm -- Messages window form handlers. |
1246 |
|
1247 |
// Messages output methods. |
1248 |
void qsamplerMainForm::appendMessages( const QString& s ) |
1249 |
{ |
1250 |
if (m_pMessages) |
1251 |
m_pMessages->appendMessages(s); |
1252 |
|
1253 |
statusBar()->message(s, 3000); |
1254 |
} |
1255 |
|
1256 |
void qsamplerMainForm::appendMessagesColor( const QString& s, const QString& c ) |
1257 |
{ |
1258 |
if (m_pMessages) |
1259 |
m_pMessages->appendMessagesColor(s, c); |
1260 |
|
1261 |
statusBar()->message(s, 3000); |
1262 |
} |
1263 |
|
1264 |
void qsamplerMainForm::appendMessagesText( const QString& s ) |
1265 |
{ |
1266 |
if (m_pMessages) |
1267 |
m_pMessages->appendMessagesText(s); |
1268 |
} |
1269 |
|
1270 |
void qsamplerMainForm::appendMessagesError( const QString& s ) |
1271 |
{ |
1272 |
if (m_pMessages) |
1273 |
m_pMessages->show(); |
1274 |
|
1275 |
appendMessagesColor(s.simplifyWhiteSpace(), "#ff0000"); |
1276 |
|
1277 |
QMessageBox::critical(this, tr("Error"), s, tr("Cancel")); |
1278 |
} |
1279 |
|
1280 |
|
1281 |
// This is a special message format, just for client results. |
1282 |
void qsamplerMainForm::appendMessagesClient( const QString& s ) |
1283 |
{ |
1284 |
if (m_pClient == NULL) |
1285 |
return; |
1286 |
|
1287 |
appendMessagesColor(s + QString(": %1 (errno=%2)") |
1288 |
.arg(::lscp_client_get_result(m_pClient)) |
1289 |
.arg(::lscp_client_get_errno(m_pClient)), "#996666"); |
1290 |
} |
1291 |
|
1292 |
|
1293 |
// Force update of the messages font. |
1294 |
void qsamplerMainForm::updateMessagesFont (void) |
1295 |
{ |
1296 |
if (m_pOptions == NULL) |
1297 |
return; |
1298 |
|
1299 |
if (m_pMessages && !m_pOptions->sMessagesFont.isEmpty()) { |
1300 |
QFont font; |
1301 |
if (font.fromString(m_pOptions->sMessagesFont)) |
1302 |
m_pMessages->setMessagesFont(font); |
1303 |
} |
1304 |
} |
1305 |
|
1306 |
|
1307 |
// Update messages window line limit. |
1308 |
void qsamplerMainForm::updateMessagesLimit (void) |
1309 |
{ |
1310 |
if (m_pOptions == NULL) |
1311 |
return; |
1312 |
|
1313 |
if (m_pMessages) { |
1314 |
if (m_pOptions->bMessagesLimit) |
1315 |
m_pMessages->setMessagesLimit(m_pOptions->iMessagesLimitLines); |
1316 |
else |
1317 |
m_pMessages->setMessagesLimit(0); |
1318 |
} |
1319 |
} |
1320 |
|
1321 |
|
1322 |
// Enablement of the messages capture feature. |
1323 |
void qsamplerMainForm::updateMessagesCapture (void) |
1324 |
{ |
1325 |
if (m_pOptions == NULL) |
1326 |
return; |
1327 |
|
1328 |
if (m_pMessages) |
1329 |
m_pMessages->setCaptureEnabled(m_pOptions->bStdoutCapture); |
1330 |
} |
1331 |
|
1332 |
|
1333 |
//------------------------------------------------------------------------- |
1334 |
// qsamplerMainForm -- MDI channel strip management. |
1335 |
|
1336 |
// The channel strip creation executive. |
1337 |
void qsamplerMainForm::createChannel ( int iChannelID, bool bPrompt ) |
1338 |
{ |
1339 |
if (m_pClient == NULL) |
1340 |
return; |
1341 |
|
1342 |
// Prepare for auto-arrange? |
1343 |
qsamplerChannelStrip *pChannel = NULL; |
1344 |
int y = 0; |
1345 |
if (m_pOptions && m_pOptions->bAutoArrange) { |
1346 |
QWidgetList wlist = m_pWorkspace->windowList(); |
1347 |
for (int iChannel = 0; iChannel < (int) wlist.count(); iChannel++) { |
1348 |
pChannel = (qsamplerChannelStrip *) wlist.at(iChannel); |
1349 |
// y += pChannel->height() + pChannel->parentWidget()->baseSize().height(); |
1350 |
y += pChannel->parentWidget()->frameGeometry().height(); |
1351 |
} |
1352 |
} |
1353 |
|
1354 |
// Add a new channel itema... |
1355 |
WFlags wflags = Qt::WStyle_Customize | Qt::WStyle_Tool | Qt::WStyle_Title | Qt::WStyle_NoBorder; |
1356 |
pChannel = new qsamplerChannelStrip(m_pWorkspace, 0, wflags); |
1357 |
pChannel->setMaxVolume(m_pOptions->iMaxVolume); |
1358 |
pChannel->setup(this, iChannelID); |
1359 |
// We'll need a display font. |
1360 |
QFont font; |
1361 |
if (m_pOptions && font.fromString(m_pOptions->sDisplayFont)) |
1362 |
pChannel->setDisplayFont(font); |
1363 |
// Track channel setup changes. |
1364 |
QObject::connect(pChannel, SIGNAL(channelChanged(qsamplerChannelStrip *)), this, SLOT(channelChanged(qsamplerChannelStrip *))); |
1365 |
// Before we show it up, may be we'll |
1366 |
// better ask for some initial values? |
1367 |
if (bPrompt) |
1368 |
pChannel->showChannelSetup(true); |
1369 |
// Now we show up us to the world. |
1370 |
pChannel->show(); |
1371 |
// Only then, we'll auto-arrange... |
1372 |
if (m_pOptions && m_pOptions->bAutoArrange) { |
1373 |
int iWidth = m_pWorkspace->width(); |
1374 |
// int iHeight = pChannel->height() + pChannel->parentWidget()->baseSize().height(); |
1375 |
int iHeight = pChannel->parentWidget()->frameGeometry().height(); |
1376 |
pChannel->parentWidget()->setGeometry(0, y, iWidth, iHeight); |
1377 |
} |
1378 |
} |
1379 |
|
1380 |
|
1381 |
// Retrieve the active channel strip. |
1382 |
qsamplerChannelStrip *qsamplerMainForm::activeChannel (void) |
1383 |
{ |
1384 |
return (qsamplerChannelStrip *) m_pWorkspace->activeWindow(); |
1385 |
} |
1386 |
|
1387 |
|
1388 |
// Retrieve a channel strip by index. |
1389 |
qsamplerChannelStrip *qsamplerMainForm::channelAt ( int iChannel ) |
1390 |
{ |
1391 |
QWidgetList wlist = m_pWorkspace->windowList(); |
1392 |
if (wlist.isEmpty()) |
1393 |
return 0; |
1394 |
|
1395 |
return (qsamplerChannelStrip *) wlist.at(iChannel); |
1396 |
} |
1397 |
|
1398 |
|
1399 |
// Construct the windows menu. |
1400 |
void qsamplerMainForm::channelsMenuAboutToShow (void) |
1401 |
{ |
1402 |
channelsMenu->clear(); |
1403 |
channelsArrangeAction->addTo(channelsMenu); |
1404 |
channelsAutoArrangeAction->addTo(channelsMenu); |
1405 |
|
1406 |
QWidgetList wlist = m_pWorkspace->windowList(); |
1407 |
if (!wlist.isEmpty()) { |
1408 |
channelsMenu->insertSeparator(); |
1409 |
for (int iChannel = 0; iChannel < (int) wlist.count(); iChannel++) { |
1410 |
qsamplerChannelStrip *pChannel = (qsamplerChannelStrip *) wlist.at(iChannel); |
1411 |
int iItemID = channelsMenu->insertItem(pChannel->caption(), this, SLOT(channelsMenuActivated(int))); |
1412 |
channelsMenu->setItemParameter(iItemID, iChannel); |
1413 |
channelsMenu->setItemChecked(iItemID, activeChannel() == pChannel); |
1414 |
} |
1415 |
} |
1416 |
} |
1417 |
|
1418 |
|
1419 |
// Windows menu activation slot |
1420 |
void qsamplerMainForm::channelsMenuActivated ( int iChannel ) |
1421 |
{ |
1422 |
qsamplerChannelStrip *pChannel = channelAt(iChannel); |
1423 |
if (pChannel) |
1424 |
pChannel->showNormal(); |
1425 |
pChannel->setFocus(); |
1426 |
} |
1427 |
|
1428 |
|
1429 |
//------------------------------------------------------------------------- |
1430 |
// qsamplerMainForm -- Timer stuff. |
1431 |
|
1432 |
// Set the pseudo-timer delay schedule. |
1433 |
void qsamplerMainForm::startSchedule ( int iStartDelay ) |
1434 |
{ |
1435 |
m_iStartDelay = 1 + (iStartDelay * 1000); |
1436 |
m_iTimerDelay = 0; |
1437 |
} |
1438 |
|
1439 |
// Suspend the pseudo-timer delay schedule. |
1440 |
void qsamplerMainForm::stopSchedule (void) |
1441 |
{ |
1442 |
m_iStartDelay = 0; |
1443 |
m_iTimerDelay = 0; |
1444 |
} |
1445 |
|
1446 |
// Timer slot funtion. |
1447 |
void qsamplerMainForm::timerSlot (void) |
1448 |
{ |
1449 |
if (m_pOptions == NULL) |
1450 |
return; |
1451 |
|
1452 |
// Is it the first shot on server start after a few delay? |
1453 |
if (m_iTimerDelay < m_iStartDelay) { |
1454 |
m_iTimerDelay += QSAMPLER_TIMER_MSECS; |
1455 |
if (m_iTimerDelay >= m_iStartDelay) { |
1456 |
// If we cannot start it now, maybe a lil'mo'later ;) |
1457 |
if (!startClient()) { |
1458 |
m_iStartDelay += m_iTimerDelay; |
1459 |
m_iTimerDelay = 0; |
1460 |
} |
1461 |
} |
1462 |
} |
1463 |
|
1464 |
// Refresh each channel usage, on each period... |
1465 |
if (m_pClient && m_pOptions->bAutoRefresh && m_pWorkspace->isUpdatesEnabled()) { |
1466 |
m_iTimerSlot += QSAMPLER_TIMER_MSECS; |
1467 |
if (m_iTimerSlot >= m_pOptions->iAutoRefreshTime) { |
1468 |
m_iTimerSlot = 0; |
1469 |
QWidgetList wlist = m_pWorkspace->windowList(); |
1470 |
for (int iChannel = 0; iChannel < (int) wlist.count(); iChannel++) { |
1471 |
qsamplerChannelStrip *pChannel = (qsamplerChannelStrip *) wlist.at(iChannel); |
1472 |
if (pChannel->isVisible()) |
1473 |
pChannel->updateChannelUsage(); |
1474 |
} |
1475 |
} |
1476 |
} |
1477 |
|
1478 |
// Register the next timer slot. |
1479 |
QTimer::singleShot(QSAMPLER_TIMER_MSECS, this, SLOT(timerSlot())); |
1480 |
} |
1481 |
|
1482 |
|
1483 |
//------------------------------------------------------------------------- |
1484 |
// qsamplerMainForm -- Server stuff. |
1485 |
|
1486 |
// Start linuxsampler server... |
1487 |
void qsamplerMainForm::startServer (void) |
1488 |
{ |
1489 |
if (m_pOptions == NULL) |
1490 |
return; |
1491 |
|
1492 |
// Aren't already a client, are we? |
1493 |
if (!m_pOptions->bServerStart || m_pClient) |
1494 |
return; |
1495 |
|
1496 |
// Is the server process instance still here? |
1497 |
if (m_pServer) { |
1498 |
switch (QMessageBox::warning(this, tr("Warning"), |
1499 |
tr("Could not start the LinuxSampler server.\n\n" |
1500 |
"Maybe it ss already started."), |
1501 |
tr("Stop"), tr("Kill"), tr("Cancel"))) { |
1502 |
case 0: |
1503 |
m_pServer->tryTerminate(); |
1504 |
break; |
1505 |
case 1: |
1506 |
m_pServer->kill(); |
1507 |
break; |
1508 |
} |
1509 |
return; |
1510 |
} |
1511 |
|
1512 |
// Reset our timer counters... |
1513 |
stopSchedule(); |
1514 |
|
1515 |
// OK. Let's build the startup process... |
1516 |
m_pServer = new QProcess(this); |
1517 |
|
1518 |
// Setup stdout/stderr capture... |
1519 |
//if (m_pOptions->bStdoutCapture) { |
1520 |
m_pServer->setCommunication(QProcess::Stdout | QProcess::Stderr | QProcess::DupStderr); |
1521 |
QObject::connect(m_pServer, SIGNAL(readyReadStdout()), this, SLOT(readServerStdout())); |
1522 |
QObject::connect(m_pServer, SIGNAL(readyReadStderr()), this, SLOT(readServerStdout())); |
1523 |
//} |
1524 |
// The unforgiveable signal communication... |
1525 |
QObject::connect(m_pServer, SIGNAL(processExited()), this, SLOT(processServerExit())); |
1526 |
|
1527 |
// Build process arguments... |
1528 |
m_pServer->setArguments(QStringList::split(' ', m_pOptions->sServerCmdLine)); |
1529 |
|
1530 |
appendMessages(tr("Server is starting...")); |
1531 |
appendMessagesColor(m_pOptions->sServerCmdLine, "#990099"); |
1532 |
|
1533 |
// Go jack, go... |
1534 |
if (!m_pServer->start()) { |
1535 |
appendMessagesError(tr("Could not start server.\n\nSorry.")); |
1536 |
processServerExit(); |
1537 |
return; |
1538 |
} |
1539 |
|
1540 |
// Show startup results... |
1541 |
appendMessages(tr("Server was started with PID=%1.").arg((long) m_pServer->processIdentifier())); |
1542 |
|
1543 |
// Reset (yet again) the timer counters, |
1544 |
// but this time is deferred as the user opted. |
1545 |
startSchedule(m_pOptions->iStartDelay); |
1546 |
stabilizeForm(); |
1547 |
} |
1548 |
|
1549 |
|
1550 |
// Stop linuxsampler server... |
1551 |
void qsamplerMainForm::stopServer (void) |
1552 |
{ |
1553 |
// Stop client code. |
1554 |
stopClient(); |
1555 |
|
1556 |
// And try to stop server. |
1557 |
if (m_pServer) { |
1558 |
appendMessages(tr("Server is stopping...")); |
1559 |
if (m_pServer->isRunning()) |
1560 |
m_pServer->tryTerminate(); |
1561 |
} |
1562 |
|
1563 |
// Give it some time to terminate gracefully and stabilize... |
1564 |
QTime t; |
1565 |
t.start(); |
1566 |
while (t.elapsed() < QSAMPLER_TIMER_MSECS) |
1567 |
QApplication::eventLoop()->processEvents(QEventLoop::ExcludeUserInput); |
1568 |
|
1569 |
// Do final processing anyway. |
1570 |
processServerExit(); |
1571 |
} |
1572 |
|
1573 |
|
1574 |
// Stdout handler... |
1575 |
void qsamplerMainForm::readServerStdout (void) |
1576 |
{ |
1577 |
if (m_pMessages) |
1578 |
m_pMessages->appendStdoutBuffer(m_pServer->readStdout()); |
1579 |
} |
1580 |
|
1581 |
|
1582 |
// Linuxsampler server cleanup. |
1583 |
void qsamplerMainForm::processServerExit (void) |
1584 |
{ |
1585 |
// Force client code cleanup. |
1586 |
stopClient(); |
1587 |
|
1588 |
// Flush anything that maybe pending... |
1589 |
if (m_pMessages) |
1590 |
m_pMessages->flushStdoutBuffer(); |
1591 |
|
1592 |
if (m_pServer) { |
1593 |
// Force final server shutdown... |
1594 |
appendMessages(tr("Server was stopped with exit status %1.").arg(m_pServer->exitStatus())); |
1595 |
if (!m_pServer->normalExit()) |
1596 |
m_pServer->kill(); |
1597 |
// Destroy it. |
1598 |
delete m_pServer; |
1599 |
m_pServer = NULL; |
1600 |
} |
1601 |
|
1602 |
// Again, make status visible stable. |
1603 |
stabilizeForm(); |
1604 |
} |
1605 |
|
1606 |
|
1607 |
//------------------------------------------------------------------------- |
1608 |
// qsamplerMainForm -- Client stuff. |
1609 |
|
1610 |
// The LSCP client callback procedure. |
1611 |
lscp_status_t qsampler_client_callback ( lscp_client_t */*pClient*/, lscp_event_t event, const char *pchData, int cchData, void *pvData ) |
1612 |
{ |
1613 |
qsamplerMainForm *pMainForm = (qsamplerMainForm *) pvData; |
1614 |
if (pMainForm == NULL) |
1615 |
return LSCP_FAILED; |
1616 |
|
1617 |
// ATTN: DO NOT EVER call any GUI code here, |
1618 |
// as this is run under some other thread context. |
1619 |
// A custom event must be posted here... |
1620 |
QApplication::postEvent(pMainForm, new qsamplerCustomEvent(event, pchData, cchData)); |
1621 |
|
1622 |
return LSCP_OK; |
1623 |
} |
1624 |
|
1625 |
|
1626 |
// Start our almighty client... |
1627 |
bool qsamplerMainForm::startClient (void) |
1628 |
{ |
1629 |
// Have it a setup? |
1630 |
if (m_pOptions == NULL) |
1631 |
return false; |
1632 |
|
1633 |
// Aren't we already started, are we? |
1634 |
if (m_pClient) |
1635 |
return true; |
1636 |
|
1637 |
// Log prepare here. |
1638 |
appendMessages(tr("Client connecting...")); |
1639 |
|
1640 |
// Create the client handle... |
1641 |
m_pClient = ::lscp_client_create(m_pOptions->sServerHost.latin1(), m_pOptions->iServerPort, qsampler_client_callback, this); |
1642 |
if (m_pClient == NULL) { |
1643 |
// Is this the first try? |
1644 |
// maybe we need to start a local server... |
1645 |
if ((m_pServer && m_pServer->isRunning()) || !m_pOptions->bServerStart) |
1646 |
appendMessagesError(tr("Could not connect to server as client.\n\nSorry.")); |
1647 |
else |
1648 |
startServer(); |
1649 |
// This is always a failure. |
1650 |
stabilizeForm(); |
1651 |
return false; |
1652 |
} |
1653 |
// Just set receive timeout value, blindly. |
1654 |
::lscp_client_set_timeout(m_pClient, m_pOptions->iServerTimeout); |
1655 |
appendMessages(tr("Client receive timeout is set to %1 msec.").arg(::lscp_client_get_timeout(m_pClient))); |
1656 |
|
1657 |
// We may stop scheduling around. |
1658 |
stopSchedule(); |
1659 |
|
1660 |
// We'll accept drops from now on... |
1661 |
setAcceptDrops(true); |
1662 |
|
1663 |
// Log success here. |
1664 |
appendMessages(tr("Client connected.")); |
1665 |
|
1666 |
// Is any session pending to be loaded? |
1667 |
if (!m_pOptions->sSessionFile.isEmpty()) { |
1668 |
// Just load the prabably startup session... |
1669 |
if (loadSessionFile(m_pOptions->sSessionFile)) { |
1670 |
m_pOptions->sSessionFile = QString::null; |
1671 |
return true; |
1672 |
} |
1673 |
} |
1674 |
|
1675 |
// Make a new session |
1676 |
return newSession(); |
1677 |
} |
1678 |
|
1679 |
|
1680 |
// Stop client... |
1681 |
void qsamplerMainForm::stopClient (void) |
1682 |
{ |
1683 |
if (m_pClient == NULL) |
1684 |
return; |
1685 |
|
1686 |
// Log prepare here. |
1687 |
appendMessages(tr("Client disconnecting...")); |
1688 |
|
1689 |
// Clear timer counters... |
1690 |
stopSchedule(); |
1691 |
|
1692 |
// We'll reject drops from now on... |
1693 |
setAcceptDrops(false); |
1694 |
|
1695 |
// Force any channel strips around, but |
1696 |
// but avoid removing the corresponding |
1697 |
// channels from the back-end server. |
1698 |
m_iDirtyCount = 0; |
1699 |
closeSession(false); |
1700 |
|
1701 |
// Close us as a client... |
1702 |
lscp_client_destroy(m_pClient); |
1703 |
m_pClient = NULL; |
1704 |
|
1705 |
// Log final here. |
1706 |
appendMessages(tr("Client disconnected.")); |
1707 |
|
1708 |
// Make visible status. |
1709 |
stabilizeForm(); |
1710 |
} |
1711 |
|
1712 |
|
1713 |
// end of qsamplerMainForm.ui.h |