trunk/src/qsamplerInstrumentForm.ui.h

// qsamplerInstrumentForm.ui.h
//
// ui.h extension file, included from the uic-generated form implementation.
/****************************************************************************
   Copyright (C) 2004-2006, rncbc aka Rui Nuno Capela. All rights reserved.

   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 "qsamplerInstrument.h"

#include "qsamplerOptions.h"
#include "qsamplerChannel.h"

#include "qsamplerMainForm.h"

#include <qmessagebox.h>
#include <qfiledialog.h>
#include <qfileinfo.h>
#include <qlistbox.h>

// Needed for lroundf()
#include <math.h>

#ifndef CONFIG_ROUND
static inline long lroundf ( float x )
{
        if (x >= 0.0f)
                return long(x + 0.5f);
        else
                return long(x - 0.5f);
}
#endif


// Kind of constructor.
void qsamplerInstrumentForm::init (void)
{
        // Initialize locals.
        m_pInstrument = NULL;

        m_iDirtySetup = 0;
        m_iDirtyCount = 0;
        m_iDirtyName  = 0;

        // Try to restore normal window positioning.
        adjustSize();
}


// Kind of destructor.
void qsamplerInstrumentForm::destroy (void)
{
}


// Channel dialog setup formal initializer.
void qsamplerInstrumentForm::setup ( qsamplerInstrument *pInstrument )
{
        m_pInstrument = pInstrument;

        m_iDirtySetup = 0;
        m_iDirtyCount = 0;
        m_iDirtyName  = 0;

        if (m_pInstrument == NULL)
                return;

        // Check if we're up and connected.
        qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();
        if (pMainForm == NULL)
                return;
        if (pMainForm->client() == NULL)
                return;

        qsamplerOptions *pOptions = pMainForm->options();
        if (pOptions == NULL)
                return;

        // It can be a brand new channel, remember?
        bool bNew = (m_pInstrument->bank() < 0 || m_pInstrument->prog() < 0);
        if (!bNew) {
                m_pInstrument->getInstrument();
                m_iDirtyName++;
        }

        // Avoid nested changes.
        m_iDirtySetup++;

        // Load combo box history...
        pOptions->loadComboBoxHistory(InstrumentFileComboBox);

        // Populate maps list.
        MapComboBox->clear();
        MapComboBox->insertStringList(qsamplerInstrument::getMapNames());

        // Populate Engines list.
        const char **ppszEngines = ::lscp_list_available_engines(pMainForm->client());
        if (ppszEngines) {
                EngineNameComboBox->clear();
                for (int iEngine = 0; ppszEngines[iEngine]; iEngine++)
                        EngineNameComboBox->insertItem(ppszEngines[iEngine]);
        }
        else pMainForm->appendMessagesClient("lscp_list_available_engines");

        // Read proper instrument information,
        // and populate the instrument form fields.

        // Instrument map name...
        int iMap = (bNew ? pOptions->iMidiMap : m_pInstrument->map());
        if (iMap < 0)
                iMap = 0;
        const QString& sMapName = qsamplerInstrument::getMapName(iMap);
        if (!sMapName.isEmpty())
                MapComboBox->setCurrentText(sMapName);
        // It might be no maps around...
        bool bMapEnabled = (MapComboBox->count() > 0);
        MapTextLabel->setEnabled(bMapEnabled);
        MapComboBox->setEnabled(bNew && bMapEnabled);

        // Instrument bank/program...
        int iBank = (bNew ? pOptions->iMidiBank : m_pInstrument->bank());
        int iProg = (bNew ? pOptions->iMidiProg : m_pInstrument->prog()) + 1;
        if (bNew && iProg > 128) {
                iProg = 1;
                iBank++;
        }
        BankSpinBox->setValue(iBank);
        ProgSpinBox->setValue(iProg);
        // Spacial hack to avoid changes on the key...
        if (bNew) {
                BankSpinBox->setRange(0, 16383);
                ProgSpinBox->setRange(1, 128);
        } else {
                BankSpinBox->setRange(iBank, iBank);
                ProgSpinBox->setRange(iProg, iProg);
        }

        // Instrument name...
        NameLineEdit->setText(m_pInstrument->name());

        // Engine name...
        QString sEngineName = m_pInstrument->engineName();
        if (sEngineName.isEmpty() || bNew)
                sEngineName = pOptions->sEngineName;
        if (sEngineName.isEmpty())
                sEngineName = qsamplerChannel::noEngineName();
        if (EngineNameComboBox->listBox()->findItem(sEngineName,
                        Qt::ExactMatch | Qt::CaseSensitive) == NULL) {
                EngineNameComboBox->insertItem(sEngineName);
        }
        EngineNameComboBox->setCurrentText(sEngineName);
        // Instrument filename and index...
        QString sInstrumentFile = m_pInstrument->instrumentFile();
        if (sInstrumentFile.isEmpty())
                sInstrumentFile = qsamplerChannel::noInstrumentName();
        InstrumentFileComboBox->setCurrentText(sInstrumentFile);
        InstrumentNrComboBox->clear();
        InstrumentNrComboBox->insertStringList(
                qsamplerChannel::getInstrumentList(sInstrumentFile,
                pOptions->bInstrumentNames));
        InstrumentNrComboBox->setCurrentItem(m_pInstrument->instrumentNr());

        // Instrument volume....
        int iVolume = (bNew ? pOptions->iVolume :
                ::lroundf(100.0f * m_pInstrument->volume()));
        VolumeSpinBox->setValue(iVolume);

        // Instrument load mode...
        int iLoadMode = (bNew ? pOptions->iLoadMode :
                m_pInstrument->loadMode());
        LoadModeComboBox->setCurrentItem(iLoadMode);

        // Done.
        m_iDirtySetup--;
        stabilizeForm();

        // Done.
        m_iDirtySetup--;
        stabilizeForm();
}


// Special case for name change,
void qsamplerInstrumentForm::nameChanged ( const QString& /* sName */ )
{
        if (m_iDirtySetup > 0)
                return;

        m_iDirtyName++;
        changed();
}


// Browse and open an instrument file.
void qsamplerInstrumentForm::openInstrumentFile (void)
{
        qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();
        if (pMainForm == NULL)
                return;

        qsamplerOptions *pOptions = pMainForm->options();
        if (pOptions == NULL)
                return;

        // FIXME: the instrument file filters should be restricted,
        // depending on the current engine.
        QString sInstrumentFile = QFileDialog::getOpenFileName(
                pOptions->sInstrumentDir,                   // Start here.
                tr("Instrument files") + " (*.gig *.dls)",  // Filter (GIG and DLS files)
                this, 0,                                    // Parent and name (none)
                QSAMPLER_TITLE ": " + tr("Instrument files")// Caption.
        );

        if (sInstrumentFile.isEmpty())
                return;

        InstrumentFileComboBox->setCurrentText(sInstrumentFile);
        updateInstrumentName();
}


// Refresh the actual instrument name.
void qsamplerInstrumentForm::updateInstrumentName (void)
{
        qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();
        if (pMainForm == NULL)
                return;

        qsamplerOptions *pOptions = pMainForm->options();
        if (pOptions == NULL)
                return;

        // TODO: this better idea would be to use libgig
        // to retrieve the REAL instrument names.
        InstrumentNrComboBox->clear();
        InstrumentNrComboBox->insertStringList(
                qsamplerChannel::getInstrumentList(
                        InstrumentFileComboBox->currentText(),
                        pOptions->bInstrumentNames)
        );

        instrumentNrChanged();
}


// Special case for instrumnet index change,
void qsamplerInstrumentForm::instrumentNrChanged (void)
{
        if (m_iDirtySetup > 0)
                return;

        if (NameLineEdit->text().isEmpty() || m_iDirtyName == 0) {
                NameLineEdit->setText(InstrumentNrComboBox->currentText());
                m_iDirtyName = 0;
        }

        changed();
}


// Accept settings (OK button slot).
void qsamplerInstrumentForm::accept (void)
{
        if (m_pInstrument == NULL)
                return;

        qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();
        if (pMainForm == NULL)
                return;
        if (pMainForm->client() == NULL)
                return;

        qsamplerOptions *pOptions = pMainForm->options();
        if (pOptions == NULL)
                return;

        if (m_iDirtyCount > 0) {
                m_pInstrument->setMap(MapComboBox->currentItem());
                m_pInstrument->setMap(MapComboBox->currentItem());
                m_pInstrument->setBank(BankSpinBox->value());
                m_pInstrument->setProg(ProgSpinBox->value() - 1);
                m_pInstrument->setName(NameLineEdit->text());
                m_pInstrument->setEngineName(EngineNameComboBox->currentText());
                m_pInstrument->setInstrumentFile(InstrumentFileComboBox->currentText());
                m_pInstrument->setInstrumentNr(InstrumentNrComboBox->currentItem());
                m_pInstrument->setVolume(0.01f * float(VolumeSpinBox->value()));
                m_pInstrument->setLoadMode(LoadModeComboBox->currentItem());
        }

        // Save default engine name, instrument directory and history...
        pOptions->sInstrumentDir = QFileInfo(InstrumentFileComboBox->currentText()).dirPath(true);
        pOptions->sEngineName = EngineNameComboBox->currentText();
        pOptions->iMidiMap  = MapComboBox->currentItem();
        pOptions->iMidiBank = BankSpinBox->value();
        pOptions->iMidiProg = ProgSpinBox->value();
        pOptions->iVolume   = VolumeSpinBox->value();
        pOptions->iLoadMode = LoadModeComboBox->currentItem();
        pOptions->saveComboBoxHistory(InstrumentFileComboBox);

        // Just go with dialog acceptance.
        QDialog::accept();
}


// Reject settings (Cancel button slot).
void qsamplerInstrumentForm::reject (void)
{
        bool bReject = true;

        // Check if there's any pending changes...
        if (m_iDirtyCount > 0 && OkPushButton->isEnabled()) {
                switch (QMessageBox::warning(this,
                        QSAMPLER_TITLE ": " + tr("Warning"),
                        tr("Some channel settings have been changed.\n\n"
                        "Do you want to apply the changes?"),
                        tr("Apply"), tr("Discard"), tr("Cancel"))) {
                case 0:     // Apply...
                        accept();
                        return;
                case 1:     // Discard
                        break;
                default:    // Cancel.
                        bReject = false;
                        break;
                }
        }

        if (bReject)
                QDialog::reject();
}


// Dirty up settings.
void qsamplerInstrumentForm::changed (void)
{
        if (m_iDirtySetup > 0)
                return;

        m_iDirtyCount++;
        stabilizeForm();
}


// Stabilize current form state.
void qsamplerInstrumentForm::stabilizeForm (void)
{
        bool bValid =!NameLineEdit->text().isEmpty();

        const QString& sPath = InstrumentFileComboBox->currentText();
        bValid = bValid && !sPath.isEmpty() && QFileInfo(sPath).exists();

        OkPushButton->setEnabled(m_iDirtyCount > 0 && bValid);
}


// end of qsamplerInstrumentForm.ui.h
1	// qsamplerInstrumentForm.ui.h
2	//
3	// ui.h extension file, included from the uic-generated form implementation.
4	/****************************************************************************
5	Copyright (C) 2004-2006, rncbc aka Rui Nuno Capela. All rights reserved.
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 "qsamplerInstrument.h"
25
26	#include "qsamplerOptions.h"
27	#include "qsamplerChannel.h"
28
29	#include "qsamplerMainForm.h"
30
31	#include <qmessagebox.h>
32	#include <qfiledialog.h>
33	#include <qfileinfo.h>
34	#include <qlistbox.h>
35
36	// Needed for lroundf()
37	#include <math.h>
38
39	#ifndef CONFIG_ROUND
40	static inline long lroundf ( float x )
41	{
42	if (x >= 0.0f)
43	return long(x + 0.5f);
44	else
45	return long(x - 0.5f);
46	}
47	#endif
48
49
50	// Kind of constructor.
51	void qsamplerInstrumentForm::init (void)
52	{
53	// Initialize locals.
54	m_pInstrument = NULL;
55
56	m_iDirtySetup = 0;
57	m_iDirtyCount = 0;
58	m_iDirtyName = 0;
59
60	// Try to restore normal window positioning.
61	adjustSize();
62	}
63
64
65	// Kind of destructor.
66	void qsamplerInstrumentForm::destroy (void)
67	{
68	}
69
70
71	// Channel dialog setup formal initializer.
72	void qsamplerInstrumentForm::setup ( qsamplerInstrument *pInstrument )
73	{
74	m_pInstrument = pInstrument;
75
76	m_iDirtySetup = 0;
77	m_iDirtyCount = 0;
78	m_iDirtyName = 0;
79
80	if (m_pInstrument == NULL)
81	return;
82
83	// Check if we're up and connected.
84	qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();
85	if (pMainForm == NULL)
86	return;
87	if (pMainForm->client() == NULL)
88	return;
89
90	qsamplerOptions *pOptions = pMainForm->options();
91	if (pOptions == NULL)
92	return;
93
94	// It can be a brand new channel, remember?
95	bool bNew = (m_pInstrument->bank() < 0 \|\| m_pInstrument->prog() < 0);
96	if (!bNew) {
97	m_pInstrument->getInstrument();
98	m_iDirtyName++;
99	}
100
101	// Avoid nested changes.
102	m_iDirtySetup++;
103
104	// Load combo box history...
105	pOptions->loadComboBoxHistory(InstrumentFileComboBox);
106
107	// Populate maps list.
108	MapComboBox->clear();
109	MapComboBox->insertStringList(qsamplerInstrument::getMapNames());
110
111	// Populate Engines list.
112	const char **ppszEngines = ::lscp_list_available_engines(pMainForm->client());
113	if (ppszEngines) {
114	EngineNameComboBox->clear();
115	for (int iEngine = 0; ppszEngines[iEngine]; iEngine++)
116	EngineNameComboBox->insertItem(ppszEngines[iEngine]);
117	}
118	else pMainForm->appendMessagesClient("lscp_list_available_engines");
119
120	// Read proper instrument information,
121	// and populate the instrument form fields.
122
123	// Instrument map name...
124	int iMap = (bNew ? pOptions->iMidiMap : m_pInstrument->map());
125	if (iMap < 0)
126	iMap = 0;
127	const QString& sMapName = qsamplerInstrument::getMapName(iMap);
128	if (!sMapName.isEmpty())
129	MapComboBox->setCurrentText(sMapName);
130	// It might be no maps around...
131	bool bMapEnabled = (MapComboBox->count() > 0);
132	MapTextLabel->setEnabled(bMapEnabled);
133	MapComboBox->setEnabled(bNew && bMapEnabled);
134
135	// Instrument bank/program...
136	int iBank = (bNew ? pOptions->iMidiBank : m_pInstrument->bank());
137	int iProg = (bNew ? pOptions->iMidiProg : m_pInstrument->prog()) + 1;
138	if (bNew && iProg > 128) {
139	iProg = 1;
140	iBank++;
141	}
142	BankSpinBox->setValue(iBank);
143	ProgSpinBox->setValue(iProg);
144	// Spacial hack to avoid changes on the key...
145	if (bNew) {
146	BankSpinBox->setRange(0, 16383);
147	ProgSpinBox->setRange(1, 128);
148	} else {
149	BankSpinBox->setRange(iBank, iBank);
150	ProgSpinBox->setRange(iProg, iProg);
151	}
152
153	// Instrument name...
154	NameLineEdit->setText(m_pInstrument->name());
155
156	// Engine name...
157	QString sEngineName = m_pInstrument->engineName();
158	if (sEngineName.isEmpty() \|\| bNew)
159	sEngineName = pOptions->sEngineName;
160	if (sEngineName.isEmpty())
161	sEngineName = qsamplerChannel::noEngineName();
162	if (EngineNameComboBox->listBox()->findItem(sEngineName,
163	Qt::ExactMatch \| Qt::CaseSensitive) == NULL) {
164	EngineNameComboBox->insertItem(sEngineName);
165	}
166	EngineNameComboBox->setCurrentText(sEngineName);
167	// Instrument filename and index...
168	QString sInstrumentFile = m_pInstrument->instrumentFile();
169	if (sInstrumentFile.isEmpty())
170	sInstrumentFile = qsamplerChannel::noInstrumentName();
171	InstrumentFileComboBox->setCurrentText(sInstrumentFile);
172	InstrumentNrComboBox->clear();
173	InstrumentNrComboBox->insertStringList(
174	qsamplerChannel::getInstrumentList(sInstrumentFile,
175	pOptions->bInstrumentNames));
176	InstrumentNrComboBox->setCurrentItem(m_pInstrument->instrumentNr());
177
178	// Instrument volume....
179	int iVolume = (bNew ? pOptions->iVolume :
180	::lroundf(100.0f * m_pInstrument->volume()));
181	VolumeSpinBox->setValue(iVolume);
182
183	// Instrument load mode...
184	int iLoadMode = (bNew ? pOptions->iLoadMode :
185	m_pInstrument->loadMode());
186	LoadModeComboBox->setCurrentItem(iLoadMode);
187
188	// Done.
189	m_iDirtySetup--;
190	stabilizeForm();
191
192	// Done.
193	m_iDirtySetup--;
194	stabilizeForm();
195	}
196
197
198	// Special case for name change,
199	void qsamplerInstrumentForm::nameChanged ( const QString& /* sName */ )
200	{
201	if (m_iDirtySetup > 0)
202	return;
203
204	m_iDirtyName++;
205	changed();
206	}
207
208
209	// Browse and open an instrument file.
210	void qsamplerInstrumentForm::openInstrumentFile (void)
211	{
212	qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();
213	if (pMainForm == NULL)
214	return;
215
216	qsamplerOptions *pOptions = pMainForm->options();
217	if (pOptions == NULL)
218	return;
219
220	// FIXME: the instrument file filters should be restricted,
221	// depending on the current engine.
222	QString sInstrumentFile = QFileDialog::getOpenFileName(
223	pOptions->sInstrumentDir, // Start here.
224	tr("Instrument files") + " (.gig .dls)", // Filter (GIG and DLS files)
225	this, 0, // Parent and name (none)
226	QSAMPLER_TITLE ": " + tr("Instrument files")// Caption.
227	);
228
229	if (sInstrumentFile.isEmpty())
230	return;
231
232	InstrumentFileComboBox->setCurrentText(sInstrumentFile);
233	updateInstrumentName();
234	}
235
236
237	// Refresh the actual instrument name.
238	void qsamplerInstrumentForm::updateInstrumentName (void)
239	{
240	qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();
241	if (pMainForm == NULL)
242	return;
243
244	qsamplerOptions *pOptions = pMainForm->options();
245	if (pOptions == NULL)
246	return;
247
248	// TODO: this better idea would be to use libgig
249	// to retrieve the REAL instrument names.
250	InstrumentNrComboBox->clear();
251	InstrumentNrComboBox->insertStringList(
252	qsamplerChannel::getInstrumentList(
253	InstrumentFileComboBox->currentText(),
254	pOptions->bInstrumentNames)
255	);
256
257	instrumentNrChanged();
258	}
259
260
261	// Special case for instrumnet index change,
262	void qsamplerInstrumentForm::instrumentNrChanged (void)
263	{
264	if (m_iDirtySetup > 0)
265	return;
266
267	if (NameLineEdit->text().isEmpty() \|\| m_iDirtyName == 0) {
268	NameLineEdit->setText(InstrumentNrComboBox->currentText());
269	m_iDirtyName = 0;
270	}
271
272	changed();
273	}
274
275
276	// Accept settings (OK button slot).
277	void qsamplerInstrumentForm::accept (void)
278	{
279	if (m_pInstrument == NULL)
280	return;
281
282	qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();
283	if (pMainForm == NULL)
284	return;
285	if (pMainForm->client() == NULL)
286	return;
287
288	qsamplerOptions *pOptions = pMainForm->options();
289	if (pOptions == NULL)
290	return;
291
292	if (m_iDirtyCount > 0) {
293	m_pInstrument->setMap(MapComboBox->currentItem());
294	m_pInstrument->setMap(MapComboBox->currentItem());
295	m_pInstrument->setBank(BankSpinBox->value());
296	m_pInstrument->setProg(ProgSpinBox->value() - 1);
297	m_pInstrument->setName(NameLineEdit->text());
298	m_pInstrument->setEngineName(EngineNameComboBox->currentText());
299	m_pInstrument->setInstrumentFile(InstrumentFileComboBox->currentText());
300	m_pInstrument->setInstrumentNr(InstrumentNrComboBox->currentItem());
301	m_pInstrument->setVolume(0.01f * float(VolumeSpinBox->value()));
302	m_pInstrument->setLoadMode(LoadModeComboBox->currentItem());
303	}
304
305	// Save default engine name, instrument directory and history...
306	pOptions->sInstrumentDir = QFileInfo(InstrumentFileComboBox->currentText()).dirPath(true);
307	pOptions->sEngineName = EngineNameComboBox->currentText();
308	pOptions->iMidiMap = MapComboBox->currentItem();
309	pOptions->iMidiBank = BankSpinBox->value();
310	pOptions->iMidiProg = ProgSpinBox->value();
311	pOptions->iVolume = VolumeSpinBox->value();
312	pOptions->iLoadMode = LoadModeComboBox->currentItem();
313	pOptions->saveComboBoxHistory(InstrumentFileComboBox);
314
315	// Just go with dialog acceptance.
316	QDialog::accept();
317	}
318
319
320	// Reject settings (Cancel button slot).
321	void qsamplerInstrumentForm::reject (void)
322	{
323	bool bReject = true;
324
325	// Check if there's any pending changes...
326	if (m_iDirtyCount > 0 && OkPushButton->isEnabled()) {
327	switch (QMessageBox::warning(this,
328	QSAMPLER_TITLE ": " + tr("Warning"),
329	tr("Some channel settings have been changed.\n\n"
330	"Do you want to apply the changes?"),
331	tr("Apply"), tr("Discard"), tr("Cancel"))) {
332	case 0: // Apply...
333	accept();
334	return;
335	case 1: // Discard
336	break;
337	default: // Cancel.
338	bReject = false;
339	break;
340	}
341	}
342
343	if (bReject)
344	QDialog::reject();
345	}
346
347
348	// Dirty up settings.
349	void qsamplerInstrumentForm::changed (void)
350	{
351	if (m_iDirtySetup > 0)
352	return;
353
354	m_iDirtyCount++;
355	stabilizeForm();
356	}
357
358
359	// Stabilize current form state.
360	void qsamplerInstrumentForm::stabilizeForm (void)
361	{
362	bool bValid =!NameLineEdit->text().isEmpty();
363
364	const QString& sPath = InstrumentFileComboBox->currentText();
365	bValid = bValid && !sPath.isEmpty() && QFileInfo(sPath).exists();
366
367	OkPushButton->setEnabled(m_iDirtyCount > 0 && bValid);
368	}
369
370
371	// end of qsamplerInstrumentForm.ui.h