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	capela	971	// qsamplerInstrumentForm.ui.h
2			//
3			// ui.h extension file, included from the uic-generated form implementation.
4			/****************************************************************************
5	capela	1013	Copyright (C) 2004-2007, rncbc aka Rui Nuno Capela. All rights reserved.
6	capela	971
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	capela	972	#ifndef CONFIG_ROUND
40	capela	980	static inline long lroundf ( float x )
41	capela	971	{
42	capela	980	if (x >= 0.0f)
43			return long(x + 0.5f);
44			else
45			return long(x - 0.5f);
46	capela	971	}
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	capela	980	bool bNew = (m_pInstrument->bank() < 0 \|\| m_pInstrument->prog() < 0);
96	capela	971	if (!bNew) {
97	capela	980	m_pInstrument->getInstrument();
98	capela	971	m_iDirtyName++;
99			}
100
101			// Avoid nested changes.
102			m_iDirtySetup++;
103
104			// Load combo box history...
105			pOptions->loadComboBoxHistory(InstrumentFileComboBox);
106
107	capela	980	// Populate maps list.
108			MapComboBox->clear();
109			MapComboBox->insertStringList(qsamplerInstrument::getMapNames());
110
111	capela	971	// 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	capela	980	// 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	capela	1013	MapComboBox->setEnabled(bMapEnabled);
134	capela	980
135	capela	971	// Instrument bank/program...
136	capela	980	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	capela	971	BankSpinBox->setValue(iBank);
143	capela	980	ProgSpinBox->setValue(iProg);
144	capela	971
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	capela	980	int iVolume = (bNew ? pOptions->iVolume :
172			::lroundf(100.0f * m_pInstrument->volume()));
173			VolumeSpinBox->setValue(iVolume);
174	capela	971
175			// Instrument load mode...
176	capela	980	int iLoadMode = (bNew ? pOptions->iLoadMode :
177			m_pInstrument->loadMode());
178			LoadModeComboBox->setCurrentItem(iLoadMode);
179	capela	971
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	capela	980	m_pInstrument->setMap(MapComboBox->currentItem());
286	capela	971	m_pInstrument->setBank(BankSpinBox->value());
287	capela	980	m_pInstrument->setProg(ProgSpinBox->value() - 1);
288	capela	971	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	capela	980	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	capela	971	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