trunk/src/qsamplerOptions.cpp

// qsamplerOptions.cpp
//
/****************************************************************************
   Copyright (C) 2004-2007, rncbc aka Rui Nuno Capela. All rights reserved.
   Copyright (C) 2007, Christian Schoenebeck

   This program is free software; you can redistribute it and/or
   modify it under the terms of the GNU General Public License
   as published by the Free Software Foundation; either version 2
   of the License, or (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License along
   with this program; if not, write to the Free Software Foundation, Inc.,
   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

*****************************************************************************/

#include "qsamplerAbout.h"
#include "qsamplerOptions.h"

#include <QTextStream>
#include <QComboBox>

#include <lscp/client.h>

#ifdef CONFIG_LIBGIG
#include <gig.h>
#endif


namespace QSampler {

//-------------------------------------------------------------------------
// QSampler::Options - Prototype settings structure.
//

// Constructor.
Options::Options (void)
        : m_settings(QSAMPLER_DOMAIN, QSAMPLER_TITLE)
{
        // Begin into general options group.
        m_settings.beginGroup("/Options");

        // Load server options...
        m_settings.beginGroup("/Server");
        sServerHost    = m_settings.value("/ServerHost", "localhost").toString();
        iServerPort    = m_settings.value("/ServerPort", 8888).toInt();
        #if defined(__APPLE__)  //  Toshi Nagata 20080105
        //  TODO: Should this be a configure option?
        iServerTimeout = m_settings.value("/ServerTimeout", 10000).toInt();
        #else
        iServerTimeout = m_settings.value("/ServerTimeout", 1000).toInt();
        #endif
        bServerStart   = m_settings.value("/ServerStart", true).toBool();
        #if defined(__APPLE__)  //  Toshi Nagata 20080113
        sServerCmdLine = m_settings.value("/ServerCmdLine", "linuxsampler.starter").toString();
        #else
        sServerCmdLine = m_settings.value("/ServerCmdLine", "linuxsampler").toString();
        #endif
        iStartDelay    = m_settings.value("/StartDelay", 3).toInt();
        m_settings.endGroup();

        // Load display options...
        m_settings.beginGroup("/Display");
        sDisplayFont     = m_settings.value("/DisplayFont").toString();
        bDisplayEffect   = m_settings.value("/DisplayEffect", true).toBool();
        bAutoRefresh     = m_settings.value("/AutoRefresh", true).toBool();
        iAutoRefreshTime = m_settings.value("/AutoRefreshTime", 1000).toInt();
        iMaxVolume       = m_settings.value("/MaxVolume", 100).toInt();
        sMessagesFont    = m_settings.value("/MessagesFont").toString();
        bMessagesLimit   = m_settings.value("/MessagesLimit", true).toBool();
        iMessagesLimitLines = m_settings.value("/MessagesLimitLines", 1000).toInt();
        bConfirmRemove   = m_settings.value("/ConfirmRemove", true).toBool();
        bKeepOnTop       = m_settings.value("/KeepOnTop", true).toBool();
        bStdoutCapture   = m_settings.value("/StdoutCapture", true).toBool();
        bCompletePath    = m_settings.value("/CompletePath", true).toBool();
        iMaxRecentFiles  = m_settings.value("/MaxRecentFiles", 5).toInt();
// if libgig provides a fast way to retrieve instrument names even for large
// .gig files, then we enable this feature by default
#if HAVE_LIBGIG_SETAUTOLOAD
        bInstrumentNames = m_settings.value("/InstrumentNames", true).toBool();
#else
        bInstrumentNames = m_settings.value("/InstrumentNames", false).toBool();
#endif
        m_settings.endGroup();

        // And go into view options group.
        m_settings.beginGroup("/View");
        bMenubar     = m_settings.value("/Menubar", true).toBool();
        bToolbar     = m_settings.value("/Toolbar", true).toBool();
        bStatusbar   = m_settings.value("/Statusbar", true).toBool();
        bAutoArrange = m_settings.value("/AutoArrange", true).toBool();
        m_settings.endGroup();

        m_settings.endGroup(); // Options group.

        // Recent file list.
        recentFiles.clear();
        m_settings.beginGroup("/RecentFiles");
        for (int iFile = 0; iFile < iMaxRecentFiles; iFile++) {
                QString sFilename = m_settings.value(
                        "/File" + QString::number(iFile + 1)).toString();
                if (!sFilename.isEmpty())
                        recentFiles.append(sFilename);
        }
        m_settings.endGroup();

        // Last but not least, get the default directories.
        m_settings.beginGroup("/Default");
        sSessionDir    = m_settings.value("/SessionDir").toString();
        sInstrumentDir = m_settings.value("/InstrumentDir").toString();
        sEngineName    = m_settings.value("/EngineName").toString();
        sAudioDriver   = m_settings.value("/AudioDriver").toString();
        sMidiDriver    = m_settings.value("/MidiDriver").toString();
        iMidiMap       = m_settings.value("/MidiMap",  0).toInt();
        iMidiBank      = m_settings.value("/MidiBank", 0).toInt();
        iMidiProg      = m_settings.value("/MidiProg", 0).toInt();
        iVolume        = m_settings.value("/Volume", 100).toInt();
        iLoadMode      = m_settings.value("/Loadmode", 0).toInt();
        m_settings.endGroup();
}


// Default Destructor.
Options::~Options (void)
{
        // Make program version available in the future.
        m_settings.beginGroup("/Program");
        m_settings.setValue("/Version", QSAMPLER_VERSION);
        m_settings.endGroup();

        // And go into general options group.
        m_settings.beginGroup("/Options");

        // Save server options.
        m_settings.beginGroup("/Server");
        m_settings.setValue("/ServerHost", sServerHost);
        m_settings.setValue("/ServerPort", iServerPort);
        m_settings.setValue("/ServerTimeout", iServerTimeout);
        m_settings.setValue("/ServerStart", bServerStart);
        m_settings.setValue("/ServerCmdLine", sServerCmdLine);
        m_settings.setValue("/StartDelay", iStartDelay);
        m_settings.endGroup();

        // Save display options.
        m_settings.beginGroup("/Display");
        m_settings.setValue("/DisplayFont", sDisplayFont);
        m_settings.setValue("/DisplayEffect", bDisplayEffect);
        m_settings.setValue("/AutoRefresh", bAutoRefresh);
        m_settings.setValue("/AutoRefreshTime", iAutoRefreshTime);
        m_settings.setValue("/MaxVolume", iMaxVolume);
        m_settings.setValue("/MessagesFont", sMessagesFont);
        m_settings.setValue("/MessagesLimit", bMessagesLimit);
        m_settings.setValue("/MessagesLimitLines", iMessagesLimitLines);
        m_settings.setValue("/ConfirmRemove", bConfirmRemove);
        m_settings.setValue("/KeepOnTop", bKeepOnTop);
        m_settings.setValue("/StdoutCapture", bStdoutCapture);
        m_settings.setValue("/CompletePath", bCompletePath);
        m_settings.setValue("/MaxRecentFiles", iMaxRecentFiles);
        m_settings.setValue("/InstrumentNames", bInstrumentNames);
        m_settings.endGroup();

        // View options group.
        m_settings.beginGroup("/View");
        m_settings.setValue("/Menubar", bMenubar);
        m_settings.setValue("/Toolbar", bToolbar);
        m_settings.setValue("/Statusbar", bStatusbar);
        m_settings.setValue("/AutoArrange", bAutoArrange);
        m_settings.endGroup();

        m_settings.endGroup(); // Options group.

        // Recent file list.
        int iFile = 0;
        m_settings.beginGroup("/RecentFiles");
        QStringListIterator iter(recentFiles);
        while (iter.hasNext())
                m_settings.setValue("/File" + QString::number(++iFile), iter.next());
        m_settings.endGroup();

        // Default directories.
        m_settings.beginGroup("/Default");
        m_settings.setValue("/SessionDir", sSessionDir);
        m_settings.setValue("/InstrumentDir", sInstrumentDir);
        m_settings.setValue("/EngineName", sEngineName);
        m_settings.setValue("/AudioDriver", sAudioDriver);
        m_settings.setValue("/MidiDriver", sMidiDriver);
        m_settings.setValue("/MidiMap", iMidiMap);
        m_settings.setValue("/MidiBank", iMidiBank);
        m_settings.setValue("/MidiProg", iMidiProg);
        m_settings.setValue("/Volume", iVolume);
        m_settings.setValue("/Loadmode", iLoadMode);
        m_settings.endGroup();
}

//-------------------------------------------------------------------------
// Settings accessor.
//

QSettings& Options::settings (void)
{
        return m_settings;
}


//-------------------------------------------------------------------------
// Command-line argument stuff.
//

// Help about command line options.
void Options::print_usage ( const char *arg0 )
{
        QTextStream out(stderr);
        out << QObject::tr("Usage: %1 [options] [session-file]\n\n"
                QSAMPLER_TITLE " - " QSAMPLER_SUBTITLE "\n\n"
                "Options:\n\n"
                "  -s, --start\n\tStart linuxsampler server locally\n\n"
                "  -h, --hostname\n\tSpecify linuxsampler server hostname\n\n"
                "  -p, --port\n\tSpecify linuxsampler server port number\n\n"
                "  -?, --help\n\tShow help about command line options\n\n"
                "  -v, --version\n\tShow version information\n\n")
                .arg(arg0);
}


// Parse command line arguments into m_settings.
bool Options::parse_args ( int argc, char **argv )
{
        QTextStream out(stderr);
        const QString sEol = "\n\n";
        int iCmdArgs = 0;

        for (int i = 1; i < argc; i++) {

                if (iCmdArgs > 0) {
                        sSessionFile += " ";
                        sSessionFile += argv[i];
                        iCmdArgs++;
                        continue;
                }

                QString sArg = argv[i];
                QString sVal = QString::null;
                int iEqual = sArg.indexOf("=");
                if (iEqual >= 0) {
                        sVal = sArg.right(sArg.length() - iEqual - 1);
                        sArg = sArg.left(iEqual);
                }
                else if (i < argc)
                        sVal = argv[i + 1];

                if (sArg == "-s" || sArg == "--start") {
                        bServerStart = true;
                }
                else if (sArg == "-h" || sArg == "--hostname") {
                        if (sVal.isNull()) {
                                out << QObject::tr("Option -h requires an argument (hostname).") + sEol;
                                return false;
                        }
                        sServerHost = sVal;
                        if (iEqual < 0)
                                i++;
                }
                else if (sArg == "-p" || sArg == "--port") {
                        if (sVal.isNull()) {
                                out << QObject::tr("Option -p requires an argument (port).") + sEol;
                                return false;
                        }
                        iServerPort = sVal.toInt();
                        if (iEqual < 0)
                                i++;
                }
                else if (sArg == "-?" || sArg == "--help") {
                        print_usage(argv[0]);
                        return false;
                }
                else if (sArg == "-v" || sArg == "--version") {
                        out << QObject::tr("Qt: %1\n").arg(qVersion());
#ifdef CONFIG_LIBGIG
                        out << QString("%1: %2\n")
                                .arg(gig::libraryName().c_str())
                                .arg(gig::libraryVersion().c_str());
#endif
                        out << QString("%1: %2\n")
                                .arg(::lscp_client_package())
                                .arg(::lscp_client_version());
                        out << QObject::tr(QSAMPLER_TITLE ": %1\n").arg(QSAMPLER_VERSION);
                        return false;
                }
                else {
                        // If we don't have one by now,
                        // this will be the startup sesion file...
                        sSessionFile += sArg;
                        iCmdArgs++;
                }
        }

        // Alright with argument parsing.
        return true;
}


//---------------------------------------------------------------------------
// Widget geometry persistence helper methods.

void Options::loadWidgetGeometry ( QWidget *pWidget )
{
        // Try to restore old form window positioning.
        if (pWidget) {
                QPoint fpos;
                QSize  fsize;
                bool bVisible;
                m_settings.beginGroup("/Geometry/" + pWidget->objectName());
                fpos.setX(m_settings.value("/x", -1).toInt());
                fpos.setY(m_settings.value("/y", -1).toInt());
                fsize.setWidth(m_settings.value("/width", -1).toInt());
                fsize.setHeight(m_settings.value("/height", -1).toInt());
                bVisible = m_settings.value("/visible", false).toBool();
                m_settings.endGroup();
                if (fpos.x() > 0 && fpos.y() > 0)
                        pWidget->move(fpos);
                if (fsize.width() > 0 && fsize.height() > 0)
                        pWidget->resize(fsize);
                else
                        pWidget->adjustSize();
                if (bVisible)
                        pWidget->show();
                else
                        pWidget->hide();
        }
}


void Options::saveWidgetGeometry ( QWidget *pWidget )
{
        // Try to save form window position...
        // (due to X11 window managers ideossincrasies, we better
        // only save the form geometry while its up and visible)
        if (pWidget) {
                m_settings.beginGroup("/Geometry/" + pWidget->objectName());
                bool bVisible = pWidget->isVisible();
                const QPoint& fpos  = pWidget->pos();
                const QSize&  fsize = pWidget->size();
                m_settings.setValue("/x", fpos.x());
                m_settings.setValue("/y", fpos.y());
                m_settings.setValue("/width", fsize.width());
                m_settings.setValue("/height", fsize.height());
                m_settings.setValue("/visible", bVisible);
                m_settings.endGroup();
        }
}


//---------------------------------------------------------------------------
// Combo box history persistence helper implementation.

void Options::loadComboBoxHistory ( QComboBox *pComboBox, int iLimit )
{
        // Load combobox list from configuration settings file...
        m_settings.beginGroup("/History/" + pComboBox->objectName());

        if (m_settings.childKeys().count() > 0) {
                pComboBox->setUpdatesEnabled(false);
                pComboBox->setDuplicatesEnabled(false);
                pComboBox->clear();
                for (int i = 0; i < iLimit; i++) {
                        const QString& sText = m_settings.value(
                                "/Item" + QString::number(i + 1)).toString();
                        if (sText.isEmpty())
                                break;
                        pComboBox->addItem(sText);
                }
                pComboBox->setUpdatesEnabled(true);
        }

        m_settings.endGroup();
}


void Options::saveComboBoxHistory ( QComboBox *pComboBox, int iLimit )
{
        // Add current text as latest item...
        const QString& sCurrentText = pComboBox->currentText();
        int iCount = pComboBox->count();
        for (int i = 0; i < iCount; i++) {
                const QString& sText = pComboBox->itemText(i);
                if (sText == sCurrentText) {
                        pComboBox->removeItem(i);
                        iCount--;
                        break;
                }
        }
        while (iCount >= iLimit)
                pComboBox->removeItem(--iCount);
        pComboBox->insertItem(0, sCurrentText);
        iCount++;

        // Save combobox list to configuration settings file...
        m_settings.beginGroup("/History/" + pComboBox->objectName());
        for (int i = 0; i < iCount; i++) {
                const QString& sText = pComboBox->itemText(i);
                if (sText.isEmpty())
                        break;
                m_settings.setValue("/Item" + QString::number(i + 1), sText);
        }
        m_settings.endGroup();
}

} // namespace QSampler


// end of qsamplerOptions.cpp
1	// qsamplerOptions.cpp
2	//
3	/****************************************************************************
4	Copyright (C) 2004-2007, rncbc aka Rui Nuno Capela. All rights reserved.
5	Copyright (C) 2007, Christian Schoenebeck
6
7	This program is free software; you can redistribute it and/or
8	modify it under the terms of the GNU General Public License
9	as published by the Free Software Foundation; either version 2
10	of the License, or (at your option) any later version.
11
12	This program is distributed in the hope that it will be useful,
13	but WITHOUT ANY WARRANTY; without even the implied warranty of
14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	GNU General Public License for more details.
16
17	You should have received a copy of the GNU General Public License along
18	with this program; if not, write to the Free Software Foundation, Inc.,
19	51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20
21	*****************************************************************************/
22
23	#include "qsamplerAbout.h"
24	#include "qsamplerOptions.h"
25
26	#include <QTextStream>
27	#include <QComboBox>
28
29	#include <lscp/client.h>
30
31	#ifdef CONFIG_LIBGIG
32	#include <gig.h>
33	#endif
34
35
36	namespace QSampler {
37
38	//-------------------------------------------------------------------------
39	// QSampler::Options - Prototype settings structure.
40	//
41
42	// Constructor.
43	Options::Options (void)
44	: m_settings(QSAMPLER_DOMAIN, QSAMPLER_TITLE)
45	{
46	// Begin into general options group.
47	m_settings.beginGroup("/Options");
48
49	// Load server options...
50	m_settings.beginGroup("/Server");
51	sServerHost = m_settings.value("/ServerHost", "localhost").toString();
52	iServerPort = m_settings.value("/ServerPort", 8888).toInt();
53	#if defined(__APPLE__) // Toshi Nagata 20080105
54	// TODO: Should this be a configure option?
55	iServerTimeout = m_settings.value("/ServerTimeout", 10000).toInt();
56	#else
57	iServerTimeout = m_settings.value("/ServerTimeout", 1000).toInt();
58	#endif
59	bServerStart = m_settings.value("/ServerStart", true).toBool();
60	#if defined(__APPLE__) // Toshi Nagata 20080113
61	sServerCmdLine = m_settings.value("/ServerCmdLine", "linuxsampler.starter").toString();
62	#else
63	sServerCmdLine = m_settings.value("/ServerCmdLine", "linuxsampler").toString();
64	#endif
65	iStartDelay = m_settings.value("/StartDelay", 3).toInt();
66	m_settings.endGroup();
67
68	// Load display options...
69	m_settings.beginGroup("/Display");
70	sDisplayFont = m_settings.value("/DisplayFont").toString();
71	bDisplayEffect = m_settings.value("/DisplayEffect", true).toBool();
72	bAutoRefresh = m_settings.value("/AutoRefresh", true).toBool();
73	iAutoRefreshTime = m_settings.value("/AutoRefreshTime", 1000).toInt();
74	iMaxVolume = m_settings.value("/MaxVolume", 100).toInt();
75	sMessagesFont = m_settings.value("/MessagesFont").toString();
76	bMessagesLimit = m_settings.value("/MessagesLimit", true).toBool();
77	iMessagesLimitLines = m_settings.value("/MessagesLimitLines", 1000).toInt();
78	bConfirmRemove = m_settings.value("/ConfirmRemove", true).toBool();
79	bKeepOnTop = m_settings.value("/KeepOnTop", true).toBool();
80	bStdoutCapture = m_settings.value("/StdoutCapture", true).toBool();
81	bCompletePath = m_settings.value("/CompletePath", true).toBool();
82	iMaxRecentFiles = m_settings.value("/MaxRecentFiles", 5).toInt();
83	// if libgig provides a fast way to retrieve instrument names even for large
84	// .gig files, then we enable this feature by default
85	#if HAVE_LIBGIG_SETAUTOLOAD
86	bInstrumentNames = m_settings.value("/InstrumentNames", true).toBool();
87	#else
88	bInstrumentNames = m_settings.value("/InstrumentNames", false).toBool();
89	#endif
90	m_settings.endGroup();
91
92	// And go into view options group.
93	m_settings.beginGroup("/View");
94	bMenubar = m_settings.value("/Menubar", true).toBool();
95	bToolbar = m_settings.value("/Toolbar", true).toBool();
96	bStatusbar = m_settings.value("/Statusbar", true).toBool();
97	bAutoArrange = m_settings.value("/AutoArrange", true).toBool();
98	m_settings.endGroup();
99
100	m_settings.endGroup(); // Options group.
101
102	// Recent file list.
103	recentFiles.clear();
104	m_settings.beginGroup("/RecentFiles");
105	for (int iFile = 0; iFile < iMaxRecentFiles; iFile++) {
106	QString sFilename = m_settings.value(
107	"/File" + QString::number(iFile + 1)).toString();
108	if (!sFilename.isEmpty())
109	recentFiles.append(sFilename);
110	}
111	m_settings.endGroup();
112
113	// Last but not least, get the default directories.
114	m_settings.beginGroup("/Default");
115	sSessionDir = m_settings.value("/SessionDir").toString();
116	sInstrumentDir = m_settings.value("/InstrumentDir").toString();
117	sEngineName = m_settings.value("/EngineName").toString();
118	sAudioDriver = m_settings.value("/AudioDriver").toString();
119	sMidiDriver = m_settings.value("/MidiDriver").toString();
120	iMidiMap = m_settings.value("/MidiMap", 0).toInt();
121	iMidiBank = m_settings.value("/MidiBank", 0).toInt();
122	iMidiProg = m_settings.value("/MidiProg", 0).toInt();
123	iVolume = m_settings.value("/Volume", 100).toInt();
124	iLoadMode = m_settings.value("/Loadmode", 0).toInt();
125	m_settings.endGroup();
126	}
127
128
129	// Default Destructor.
130	Options::~Options (void)
131	{
132	// Make program version available in the future.
133	m_settings.beginGroup("/Program");
134	m_settings.setValue("/Version", QSAMPLER_VERSION);
135	m_settings.endGroup();
136
137	// And go into general options group.
138	m_settings.beginGroup("/Options");
139
140	// Save server options.
141	m_settings.beginGroup("/Server");
142	m_settings.setValue("/ServerHost", sServerHost);
143	m_settings.setValue("/ServerPort", iServerPort);
144	m_settings.setValue("/ServerTimeout", iServerTimeout);
145	m_settings.setValue("/ServerStart", bServerStart);
146	m_settings.setValue("/ServerCmdLine", sServerCmdLine);
147	m_settings.setValue("/StartDelay", iStartDelay);
148	m_settings.endGroup();
149
150	// Save display options.
151	m_settings.beginGroup("/Display");
152	m_settings.setValue("/DisplayFont", sDisplayFont);
153	m_settings.setValue("/DisplayEffect", bDisplayEffect);
154	m_settings.setValue("/AutoRefresh", bAutoRefresh);
155	m_settings.setValue("/AutoRefreshTime", iAutoRefreshTime);
156	m_settings.setValue("/MaxVolume", iMaxVolume);
157	m_settings.setValue("/MessagesFont", sMessagesFont);
158	m_settings.setValue("/MessagesLimit", bMessagesLimit);
159	m_settings.setValue("/MessagesLimitLines", iMessagesLimitLines);
160	m_settings.setValue("/ConfirmRemove", bConfirmRemove);
161	m_settings.setValue("/KeepOnTop", bKeepOnTop);
162	m_settings.setValue("/StdoutCapture", bStdoutCapture);
163	m_settings.setValue("/CompletePath", bCompletePath);
164	m_settings.setValue("/MaxRecentFiles", iMaxRecentFiles);
165	m_settings.setValue("/InstrumentNames", bInstrumentNames);
166	m_settings.endGroup();
167
168	// View options group.
169	m_settings.beginGroup("/View");
170	m_settings.setValue("/Menubar", bMenubar);
171	m_settings.setValue("/Toolbar", bToolbar);
172	m_settings.setValue("/Statusbar", bStatusbar);
173	m_settings.setValue("/AutoArrange", bAutoArrange);
174	m_settings.endGroup();
175
176	m_settings.endGroup(); // Options group.
177
178	// Recent file list.
179	int iFile = 0;
180	m_settings.beginGroup("/RecentFiles");
181	QStringListIterator iter(recentFiles);
182	while (iter.hasNext())
183	m_settings.setValue("/File" + QString::number(++iFile), iter.next());
184	m_settings.endGroup();
185
186	// Default directories.
187	m_settings.beginGroup("/Default");
188	m_settings.setValue("/SessionDir", sSessionDir);
189	m_settings.setValue("/InstrumentDir", sInstrumentDir);
190	m_settings.setValue("/EngineName", sEngineName);
191	m_settings.setValue("/AudioDriver", sAudioDriver);
192	m_settings.setValue("/MidiDriver", sMidiDriver);
193	m_settings.setValue("/MidiMap", iMidiMap);
194	m_settings.setValue("/MidiBank", iMidiBank);
195	m_settings.setValue("/MidiProg", iMidiProg);
196	m_settings.setValue("/Volume", iVolume);
197	m_settings.setValue("/Loadmode", iLoadMode);
198	m_settings.endGroup();
199	}
200
201	//-------------------------------------------------------------------------
202	// Settings accessor.
203	//
204
205	QSettings& Options::settings (void)
206	{
207	return m_settings;
208	}
209
210
211	//-------------------------------------------------------------------------
212	// Command-line argument stuff.
213	//
214
215	// Help about command line options.
216	void Options::print_usage ( const char *arg0 )
217	{
218	QTextStream out(stderr);
219	out << QObject::tr("Usage: %1 [options] [session-file]\n\n"
220	QSAMPLER_TITLE " - " QSAMPLER_SUBTITLE "\n\n"
221	"Options:\n\n"
222	" -s, --start\n\tStart linuxsampler server locally\n\n"
223	" -h, --hostname\n\tSpecify linuxsampler server hostname\n\n"
224	" -p, --port\n\tSpecify linuxsampler server port number\n\n"
225	" -?, --help\n\tShow help about command line options\n\n"
226	" -v, --version\n\tShow version information\n\n")
227	.arg(arg0);
228	}
229
230
231	// Parse command line arguments into m_settings.
232	bool Options::parse_args ( int argc, char **argv )
233	{
234	QTextStream out(stderr);
235	const QString sEol = "\n\n";
236	int iCmdArgs = 0;
237
238	for (int i = 1; i < argc; i++) {
239
240	if (iCmdArgs > 0) {
241	sSessionFile += " ";
242	sSessionFile += argv[i];
243	iCmdArgs++;
244	continue;
245	}
246
247	QString sArg = argv[i];
248	QString sVal = QString::null;
249	int iEqual = sArg.indexOf("=");
250	if (iEqual >= 0) {
251	sVal = sArg.right(sArg.length() - iEqual - 1);
252	sArg = sArg.left(iEqual);
253	}
254	else if (i < argc)
255	sVal = argv[i + 1];
256
257	if (sArg == "-s" \|\| sArg == "--start") {
258	bServerStart = true;
259	}
260	else if (sArg == "-h" \|\| sArg == "--hostname") {
261	if (sVal.isNull()) {
262	out << QObject::tr("Option -h requires an argument (hostname).") + sEol;
263	return false;
264	}
265	sServerHost = sVal;
266	if (iEqual < 0)
267	i++;
268	}
269	else if (sArg == "-p" \|\| sArg == "--port") {
270	if (sVal.isNull()) {
271	out << QObject::tr("Option -p requires an argument (port).") + sEol;
272	return false;
273	}
274	iServerPort = sVal.toInt();
275	if (iEqual < 0)
276	i++;
277	}
278	else if (sArg == "-?" \|\| sArg == "--help") {
279	print_usage(argv[0]);
280	return false;
281	}
282	else if (sArg == "-v" \|\| sArg == "--version") {
283	out << QObject::tr("Qt: %1\n").arg(qVersion());
284	#ifdef CONFIG_LIBGIG
285	out << QString("%1: %2\n")
286	.arg(gig::libraryName().c_str())
287	.arg(gig::libraryVersion().c_str());
288	#endif
289	out << QString("%1: %2\n")
290	.arg(::lscp_client_package())
291	.arg(::lscp_client_version());
292	out << QObject::tr(QSAMPLER_TITLE ": %1\n").arg(QSAMPLER_VERSION);
293	return false;
294	}
295	else {
296	// If we don't have one by now,
297	// this will be the startup sesion file...
298	sSessionFile += sArg;
299	iCmdArgs++;
300	}
301	}
302
303	// Alright with argument parsing.
304	return true;
305	}
306
307
308	//---------------------------------------------------------------------------
309	// Widget geometry persistence helper methods.
310
311	void Options::loadWidgetGeometry ( QWidget *pWidget )
312	{
313	// Try to restore old form window positioning.
314	if (pWidget) {
315	QPoint fpos;
316	QSize fsize;
317	bool bVisible;
318	m_settings.beginGroup("/Geometry/" + pWidget->objectName());
319	fpos.setX(m_settings.value("/x", -1).toInt());
320	fpos.setY(m_settings.value("/y", -1).toInt());
321	fsize.setWidth(m_settings.value("/width", -1).toInt());
322	fsize.setHeight(m_settings.value("/height", -1).toInt());
323	bVisible = m_settings.value("/visible", false).toBool();
324	m_settings.endGroup();
325	if (fpos.x() > 0 && fpos.y() > 0)
326	pWidget->move(fpos);
327	if (fsize.width() > 0 && fsize.height() > 0)
328	pWidget->resize(fsize);
329	else
330	pWidget->adjustSize();
331	if (bVisible)
332	pWidget->show();
333	else
334	pWidget->hide();
335	}
336	}
337
338
339	void Options::saveWidgetGeometry ( QWidget *pWidget )
340	{
341	// Try to save form window position...
342	// (due to X11 window managers ideossincrasies, we better
343	// only save the form geometry while its up and visible)
344	if (pWidget) {
345	m_settings.beginGroup("/Geometry/" + pWidget->objectName());
346	bool bVisible = pWidget->isVisible();
347	const QPoint& fpos = pWidget->pos();
348	const QSize& fsize = pWidget->size();
349	m_settings.setValue("/x", fpos.x());
350	m_settings.setValue("/y", fpos.y());
351	m_settings.setValue("/width", fsize.width());
352	m_settings.setValue("/height", fsize.height());
353	m_settings.setValue("/visible", bVisible);
354	m_settings.endGroup();
355	}
356	}
357
358
359	//---------------------------------------------------------------------------
360	// Combo box history persistence helper implementation.
361
362	void Options::loadComboBoxHistory ( QComboBox *pComboBox, int iLimit )
363	{
364	// Load combobox list from configuration settings file...
365	m_settings.beginGroup("/History/" + pComboBox->objectName());
366
367	if (m_settings.childKeys().count() > 0) {
368	pComboBox->setUpdatesEnabled(false);
369	pComboBox->setDuplicatesEnabled(false);
370	pComboBox->clear();
371	for (int i = 0; i < iLimit; i++) {
372	const QString& sText = m_settings.value(
373	"/Item" + QString::number(i + 1)).toString();
374	if (sText.isEmpty())
375	break;
376	pComboBox->addItem(sText);
377	}
378	pComboBox->setUpdatesEnabled(true);
379	}
380
381	m_settings.endGroup();
382	}
383
384
385	void Options::saveComboBoxHistory ( QComboBox *pComboBox, int iLimit )
386	{
387	// Add current text as latest item...
388	const QString& sCurrentText = pComboBox->currentText();
389	int iCount = pComboBox->count();
390	for (int i = 0; i < iCount; i++) {
391	const QString& sText = pComboBox->itemText(i);
392	if (sText == sCurrentText) {
393	pComboBox->removeItem(i);
394	iCount--;
395	break;
396	}
397	}
398	while (iCount >= iLimit)
399	pComboBox->removeItem(--iCount);
400	pComboBox->insertItem(0, sCurrentText);
401	iCount++;
402
403	// Save combobox list to configuration settings file...
404	m_settings.beginGroup("/History/" + pComboBox->objectName());
405	for (int i = 0; i < iCount; i++) {
406	const QString& sText = pComboBox->itemText(i);
407	if (sText.isEmpty())
408	break;
409	m_settings.setValue("/Item" + QString::number(i + 1), sText);
410	}
411	m_settings.endGroup();
412	}
413
414	} // namespace QSampler
415
416
417	// end of qsamplerOptions.cpp