trunk/src/qsamplerInstrumentForm.ui.h

// qsamplerInstrumentForm.ui.h
//
// ui.h extension file, included from the uic-generated form implementation.
/****************************************************************************
   Copyright (C) 2004-2007, 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(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);

        // 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->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) 2004-2007, 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(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
145	// Instrument name...
146	NameLineEdit->setText(m_pInstrument->name());
147
148	// Engine name...
149	QString sEngineName = m_pInstrument->engineName();
150	if (sEngineName.isEmpty() \|\| bNew)
151	sEngineName = pOptions->sEngineName;
152	if (sEngineName.isEmpty())
153	sEngineName = qsamplerChannel::noEngineName();
154	if (EngineNameComboBox->listBox()->findItem(sEngineName,
155	Qt::ExactMatch \| Qt::CaseSensitive) == NULL) {
156	EngineNameComboBox->insertItem(sEngineName);
157	}
158	EngineNameComboBox->setCurrentText(sEngineName);
159	// Instrument filename and index...
160	QString sInstrumentFile = m_pInstrument->instrumentFile();
161	if (sInstrumentFile.isEmpty())
162	sInstrumentFile = qsamplerChannel::noInstrumentName();
163	InstrumentFileComboBox->setCurrentText(sInstrumentFile);
164	InstrumentNrComboBox->clear();
165	InstrumentNrComboBox->insertStringList(
166	qsamplerChannel::getInstrumentList(sInstrumentFile,
167	pOptions->bInstrumentNames));
168	InstrumentNrComboBox->setCurrentItem(m_pInstrument->instrumentNr());
169
170	// Instrument volume....
171	int iVolume = (bNew ? pOptions->iVolume :
172	::lroundf(100.0f * m_pInstrument->volume()));
173	VolumeSpinBox->setValue(iVolume);
174
175	// Instrument load mode...
176	int iLoadMode = (bNew ? pOptions->iLoadMode :
177	m_pInstrument->loadMode());
178	LoadModeComboBox->setCurrentItem(iLoadMode);
179
180	// Done.
181	m_iDirtySetup--;
182	stabilizeForm();
183
184	// Done.
185	m_iDirtySetup--;
186	stabilizeForm();
187	}
188
189
190	// Special case for name change,
191	void qsamplerInstrumentForm::nameChanged ( const QString& /* sName */ )
192	{
193	if (m_iDirtySetup > 0)
194	return;
195
196	m_iDirtyName++;
197	changed();
198	}
199
200
201	// Browse and open an instrument file.
202	void qsamplerInstrumentForm::openInstrumentFile (void)
203	{
204	qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();
205	if (pMainForm == NULL)
206	return;
207
208	qsamplerOptions *pOptions = pMainForm->options();
209	if (pOptions == NULL)
210	return;
211
212	// FIXME: the instrument file filters should be restricted,
213	// depending on the current engine.
214	QString sInstrumentFile = QFileDialog::getOpenFileName(
215	pOptions->sInstrumentDir, // Start here.
216	tr("Instrument files") + " (.gig .dls)", // Filter (GIG and DLS files)
217	this, 0, // Parent and name (none)
218	QSAMPLER_TITLE ": " + tr("Instrument files")// Caption.
219	);
220
221	if (sInstrumentFile.isEmpty())
222	return;
223
224	InstrumentFileComboBox->setCurrentText(sInstrumentFile);
225	updateInstrumentName();
226	}
227
228
229	// Refresh the actual instrument name.
230	void qsamplerInstrumentForm::updateInstrumentName (void)
231	{
232	qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();
233	if (pMainForm == NULL)
234	return;
235
236	qsamplerOptions *pOptions = pMainForm->options();
237	if (pOptions == NULL)
238	return;
239
240	// TODO: this better idea would be to use libgig
241	// to retrieve the REAL instrument names.
242	InstrumentNrComboBox->clear();
243	InstrumentNrComboBox->insertStringList(
244	qsamplerChannel::getInstrumentList(
245	InstrumentFileComboBox->currentText(),
246	pOptions->bInstrumentNames)
247	);
248
249	instrumentNrChanged();
250	}
251
252
253	// Special case for instrumnet index change,
254	void qsamplerInstrumentForm::instrumentNrChanged (void)
255	{
256	if (m_iDirtySetup > 0)
257	return;
258
259	if (NameLineEdit->text().isEmpty() \|\| m_iDirtyName == 0) {
260	NameLineEdit->setText(InstrumentNrComboBox->currentText());
261	m_iDirtyName = 0;
262	}
263
264	changed();
265	}
266
267
268	// Accept settings (OK button slot).
269	void qsamplerInstrumentForm::accept (void)
270	{
271	if (m_pInstrument == NULL)
272	return;
273
274	qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();
275	if (pMainForm == NULL)
276	return;
277	if (pMainForm->client() == NULL)
278	return;
279
280	qsamplerOptions *pOptions = pMainForm->options();
281	if (pOptions == NULL)
282	return;
283
284	if (m_iDirtyCount > 0) {
285	m_pInstrument->setMap(MapComboBox->currentItem());
286	m_pInstrument->setBank(BankSpinBox->value());
287	m_pInstrument->setProg(ProgSpinBox->value() - 1);
288	m_pInstrument->setName(NameLineEdit->text());
289	m_pInstrument->setEngineName(EngineNameComboBox->currentText());
290	m_pInstrument->setInstrumentFile(InstrumentFileComboBox->currentText());
291	m_pInstrument->setInstrumentNr(InstrumentNrComboBox->currentItem());
292	m_pInstrument->setVolume(0.01f * float(VolumeSpinBox->value()));
293	m_pInstrument->setLoadMode(LoadModeComboBox->currentItem());
294	}
295
296	// Save default engine name, instrument directory and history...
297	pOptions->sInstrumentDir = QFileInfo(InstrumentFileComboBox->currentText()).dirPath(true);
298	pOptions->sEngineName = EngineNameComboBox->currentText();
299	pOptions->iMidiMap = MapComboBox->currentItem();
300	pOptions->iMidiBank = BankSpinBox->value();
301	pOptions->iMidiProg = ProgSpinBox->value();
302	pOptions->iVolume = VolumeSpinBox->value();
303	pOptions->iLoadMode = LoadModeComboBox->currentItem();
304	pOptions->saveComboBoxHistory(InstrumentFileComboBox);
305
306	// Just go with dialog acceptance.
307	QDialog::accept();
308	}
309
310
311	// Reject settings (Cancel button slot).
312	void qsamplerInstrumentForm::reject (void)
313	{
314	bool bReject = true;
315
316	// Check if there's any pending changes...
317	if (m_iDirtyCount > 0 && OkPushButton->isEnabled()) {
318	switch (QMessageBox::warning(this,
319	QSAMPLER_TITLE ": " + tr("Warning"),
320	tr("Some channel settings have been changed.\n\n"
321	"Do you want to apply the changes?"),
322	tr("Apply"), tr("Discard"), tr("Cancel"))) {
323	case 0: // Apply...
324	accept();
325	return;
326	case 1: // Discard
327	break;
328	default: // Cancel.
329	bReject = false;
330	break;
331	}
332	}
333
334	if (bReject)
335	QDialog::reject();
336	}
337
338
339	// Dirty up settings.
340	void qsamplerInstrumentForm::changed (void)
341	{
342	if (m_iDirtySetup > 0)
343	return;
344
345	m_iDirtyCount++;
346	stabilizeForm();
347	}
348
349
350	// Stabilize current form state.
351	void qsamplerInstrumentForm::stabilizeForm (void)
352	{
353	bool bValid =!NameLineEdit->text().isEmpty();
354
355	const QString& sPath = InstrumentFileComboBox->currentText();
356	bValid = bValid && !sPath.isEmpty() && QFileInfo(sPath).exists();
357
358	OkPushButton->setEnabled(m_iDirtyCount > 0 && bValid);
359	}
360
361
362	// end of qsamplerInstrumentForm.ui.h